051696bf98
Summary: Found from Debian's "Lintian" program Pull Request resolved: https://github.com/facebook/rocksdb/pull/6464 Differential Revision: D20162862 Pulled By: zhichao-cao fbshipit-source-id: 06941ee2437b038b2b8045becbe9d2c6fbff3e12
7937 lines
239 KiB
Perl
Executable File
7937 lines
239 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014 Ole Tange and
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# Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>
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# or write to the Free Software Foundation, Inc., 51 Franklin St,
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# Fifth Floor, Boston, MA 02110-1301 USA
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# open3 used in Job::start
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use IPC::Open3;
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# &WNOHANG used in reaper
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use POSIX qw(:sys_wait_h setsid ceil :errno_h);
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# gensym used in Job::start
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use Symbol qw(gensym);
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# tempfile used in Job::start
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use File::Temp qw(tempfile tempdir);
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# mkpath used in openresultsfile
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use File::Path;
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# GetOptions used in get_options_from_array
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use Getopt::Long;
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# Used to ensure code quality
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use strict;
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use File::Basename;
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if(not $ENV{HOME}) {
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# $ENV{HOME} is sometimes not set if called from PHP
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::warning("\$HOME not set. Using /tmp\n");
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$ENV{HOME} = "/tmp";
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}
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save_stdin_stdout_stderr();
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save_original_signal_handler();
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parse_options();
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::debug("init", "Open file descriptors: ", join(" ",keys %Global::fd), "\n");
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my $number_of_args;
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if($Global::max_number_of_args) {
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$number_of_args=$Global::max_number_of_args;
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} elsif ($opt::X or $opt::m or $opt::xargs) {
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$number_of_args = undef;
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} else {
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$number_of_args = 1;
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}
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my @command;
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@command = @ARGV;
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my @fhlist;
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if($opt::pipepart) {
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@fhlist = map { open_or_exit($_) } "/dev/null";
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} else {
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@fhlist = map { open_or_exit($_) } @opt::a;
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if(not @fhlist and not $opt::pipe) {
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@fhlist = (*STDIN);
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}
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}
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if($opt::skip_first_line) {
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# Skip the first line for the first file handle
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my $fh = $fhlist[0];
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<$fh>;
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}
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if($opt::header and not $opt::pipe) {
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my $fh = $fhlist[0];
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# split with colsep or \t
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# $header force $colsep = \t if undef?
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my $delimiter = $opt::colsep;
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$delimiter ||= "\$";
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my $id = 1;
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for my $fh (@fhlist) {
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my $line = <$fh>;
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chomp($line);
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::debug("init", "Delimiter: '$delimiter'");
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for my $s (split /$delimiter/o, $line) {
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::debug("init", "Colname: '$s'");
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# Replace {colname} with {2}
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# TODO accept configurable short hands
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# TODO how to deal with headers in {=...=}
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for(@command) {
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s:\{$s(|/|//|\.|/\.)\}:\{$id$1\}:g;
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}
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$Global::input_source_header{$id} = $s;
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$id++;
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}
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}
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} else {
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my $id = 1;
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for my $fh (@fhlist) {
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$Global::input_source_header{$id} = $id;
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$id++;
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}
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}
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if($opt::filter_hosts and (@opt::sshlogin or @opt::sshloginfile)) {
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# Parallel check all hosts are up. Remove hosts that are down
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filter_hosts();
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}
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if($opt::nonall or $opt::onall) {
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onall(@command);
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wait_and_exit(min(undef_as_zero($Global::exitstatus),254));
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}
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# TODO --transfer foo/./bar --cleanup
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# multiple --transfer and --basefile with different /./
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$Global::JobQueue = JobQueue->new(
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\@command,\@fhlist,$Global::ContextReplace,$number_of_args,\@Global::ret_files);
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if($opt::eta or $opt::bar) {
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# Count the number of jobs before starting any
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$Global::JobQueue->total_jobs();
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}
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if($opt::pipepart) {
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@Global::cat_partials = map { pipe_part_files($_) } @opt::a;
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# Unget the command as many times as there are parts
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$Global::JobQueue->{'commandlinequeue'}->unget(
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map { $Global::JobQueue->{'commandlinequeue'}->get() } @Global::cat_partials
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);
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}
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for my $sshlogin (values %Global::host) {
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$sshlogin->max_jobs_running();
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}
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init_run_jobs();
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my $sem;
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if($Global::semaphore) {
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$sem = acquire_semaphore();
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}
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$SIG{TERM} = \&start_no_new_jobs;
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start_more_jobs();
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if(not $opt::pipepart) {
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if($opt::pipe) {
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spreadstdin();
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}
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}
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::debug("init", "Start draining\n");
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drain_job_queue();
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::debug("init", "Done draining\n");
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reaper();
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::debug("init", "Done reaping\n");
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if($opt::pipe and @opt::a) {
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for my $job (@Global::tee_jobs) {
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unlink $job->fh(2,"name");
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$job->set_fh(2,"name","");
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$job->print();
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unlink $job->fh(1,"name");
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}
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}
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::debug("init", "Cleaning\n");
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cleanup();
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if($Global::semaphore) {
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$sem->release();
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}
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for(keys %Global::sshmaster) {
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kill "TERM", $_;
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}
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::debug("init", "Halt\n");
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if($opt::halt_on_error) {
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wait_and_exit($Global::halt_on_error_exitstatus);
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} else {
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wait_and_exit(min(undef_as_zero($Global::exitstatus),254));
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}
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sub __PIPE_MODE__ {}
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sub pipe_part_files {
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# Input:
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# $file = the file to read
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# Returns:
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# @commands that will cat_partial each part
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my ($file) = @_;
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my $buf = "";
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my $header = find_header(\$buf,open_or_exit($file));
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# find positions
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my @pos = find_split_positions($file,$opt::blocksize,length $header);
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# Make @cat_partials
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my @cat_partials = ();
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for(my $i=0; $i<$#pos; $i++) {
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push @cat_partials, cat_partial($file, 0, length($header), $pos[$i], $pos[$i+1]);
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}
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# Remote exec should look like:
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# ssh -oLogLevel=quiet lo 'eval `echo $SHELL | grep "/t\{0,1\}csh" > /dev/null && echo setenv PARALLEL_SEQ '$PARALLEL_SEQ'\; setenv PARALLEL_PID '$PARALLEL_PID' || echo PARALLEL_SEQ='$PARALLEL_SEQ'\;export PARALLEL_SEQ\; PARALLEL_PID='$PARALLEL_PID'\;export PARALLEL_PID` ;' tty\ \>/dev/null\ \&\&\ stty\ isig\ -onlcr\ -echo\;echo\ \$SHELL\ \|\ grep\ \"/t\\\{0,1\\\}csh\"\ \>\ /dev/null\ \&\&\ setenv\ FOO\ /tmp/foo\ \|\|\ export\ FOO=/tmp/foo\; \(wc\ -\ \$FOO\)
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# ssh -tt not allowed. Remote will die due to broken pipe anyway.
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# TODO test remote with --fifo / --cat
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return @cat_partials;
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}
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sub find_header {
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# Input:
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# $buf_ref = reference to read-in buffer
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# $fh = filehandle to read from
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# Uses:
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# $opt::header
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# $opt::blocksize
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# Returns:
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# $header string
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my ($buf_ref, $fh) = @_;
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my $header = "";
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if($opt::header) {
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if($opt::header eq ":") { $opt::header = "(.*\n)"; }
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# Number = number of lines
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$opt::header =~ s/^(\d+)$/"(.*\n)"x$1/e;
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while(read($fh,substr($$buf_ref,length $$buf_ref,0),$opt::blocksize)) {
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if($$buf_ref=~s/^($opt::header)//) {
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$header = $1;
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last;
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}
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}
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}
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return $header;
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}
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sub find_split_positions {
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# Input:
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# $file = the file to read
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# $block = (minimal) --block-size of each chunk
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# $headerlen = length of header to be skipped
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# Uses:
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# $opt::recstart
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# $opt::recend
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# Returns:
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# @positions of block start/end
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my($file, $block, $headerlen) = @_;
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my $size = -s $file;
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$block = int $block;
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# The optimal dd blocksize for mint, redhat, solaris, openbsd = 2^17..2^20
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# The optimal dd blocksize for freebsd = 2^15..2^17
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my $dd_block_size = 131072; # 2^17
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my @pos;
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my ($recstart,$recend) = recstartrecend();
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my $recendrecstart = $recend.$recstart;
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my $fh = ::open_or_exit($file);
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push(@pos,$headerlen);
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for(my $pos = $block+$headerlen; $pos < $size; $pos += $block) {
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my $buf;
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seek($fh, $pos, 0) || die;
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while(read($fh,substr($buf,length $buf,0),$dd_block_size)) {
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if($opt::regexp) {
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# If match /$recend$recstart/ => Record position
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if($buf =~ /(.*$recend)$recstart/os) {
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my $i = length($1);
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push(@pos,$pos+$i);
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# Start looking for next record _after_ this match
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$pos += $i;
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last;
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}
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} else {
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# If match $recend$recstart => Record position
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my $i = index($buf,$recendrecstart);
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if($i != -1) {
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push(@pos,$pos+$i);
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# Start looking for next record _after_ this match
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$pos += $i;
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last;
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}
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}
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}
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}
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push(@pos,$size);
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close $fh;
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return @pos;
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}
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sub cat_partial {
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# Input:
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# $file = the file to read
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# ($start, $end, [$start2, $end2, ...]) = start byte, end byte
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# Returns:
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# Efficient perl command to copy $start..$end, $start2..$end2, ... to stdout
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my($file, @start_end) = @_;
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my($start, $i);
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# Convert start_end to start_len
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my @start_len = map { if(++$i % 2) { $start = $_; } else { $_-$start } } @start_end;
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return "<". shell_quote_scalar($file) .
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q{ perl -e 'while(@ARGV) { sysseek(STDIN,shift,0) || die; $left = shift; while($read = sysread(STDIN,$buf, ($left > 32768 ? 32768 : $left))){ $left -= $read; syswrite(STDOUT,$buf); } }' } .
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" @start_len";
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}
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sub spreadstdin {
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# read a record
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# Spawn a job and print the record to it.
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# Uses:
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# $opt::blocksize
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# STDIN
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# $opr::r
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# $Global::max_lines
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# $Global::max_number_of_args
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# $opt::regexp
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# $Global::start_no_new_jobs
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# $opt::roundrobin
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# %Global::running
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my $buf = "";
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my ($recstart,$recend) = recstartrecend();
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my $recendrecstart = $recend.$recstart;
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my $chunk_number = 1;
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my $one_time_through;
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my $blocksize = $opt::blocksize;
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my $in = *STDIN;
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my $header = find_header(\$buf,$in);
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while(1) {
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my $anything_written = 0;
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if(not read($in,substr($buf,length $buf,0),$blocksize)) {
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# End-of-file
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$chunk_number != 1 and last;
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# Force the while-loop once if everything was read by header reading
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$one_time_through++ and last;
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}
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if($opt::r) {
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# Remove empty lines
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$buf =~ s/^\s*\n//gm;
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if(length $buf == 0) {
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next;
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}
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}
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if($Global::max_lines and not $Global::max_number_of_args) {
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# Read n-line records
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my $n_lines = $buf =~ tr/\n/\n/;
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my $last_newline_pos = rindex($buf,"\n");
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while($n_lines % $Global::max_lines) {
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$n_lines--;
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$last_newline_pos = rindex($buf,"\n",$last_newline_pos-1);
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}
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# Chop at $last_newline_pos as that is where n-line record ends
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$anything_written +=
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write_record_to_pipe($chunk_number++,\$header,\$buf,
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$recstart,$recend,$last_newline_pos+1);
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substr($buf,0,$last_newline_pos+1) = "";
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} elsif($opt::regexp) {
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if($Global::max_number_of_args) {
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# -N => (start..*?end){n}
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# -L -N => (start..*?end){n*l}
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my $read_n_lines = $Global::max_number_of_args * ($Global::max_lines || 1);
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while($buf =~ s/((?:$recstart.*?$recend){$read_n_lines})($recstart.*)$/$2/os) {
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# Copy to modifiable variable
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my $b = $1;
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$anything_written +=
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write_record_to_pipe($chunk_number++,\$header,\$b,
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$recstart,$recend,length $1);
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}
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} else {
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# Find the last recend-recstart in $buf
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if($buf =~ s/(.*$recend)($recstart.*?)$/$2/os) {
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# Copy to modifiable variable
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my $b = $1;
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$anything_written +=
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write_record_to_pipe($chunk_number++,\$header,\$b,
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$recstart,$recend,length $1);
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}
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}
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} else {
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if($Global::max_number_of_args) {
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# -N => (start..*?end){n}
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my $i = 0;
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my $read_n_lines = $Global::max_number_of_args * ($Global::max_lines || 1);
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while(($i = nindex(\$buf,$recendrecstart,$read_n_lines)) != -1) {
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$i += length $recend; # find the actual splitting location
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$anything_written +=
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write_record_to_pipe($chunk_number++,\$header,\$buf,
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$recstart,$recend,$i);
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substr($buf,0,$i) = "";
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}
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} else {
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# Find the last recend-recstart in $buf
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my $i = rindex($buf,$recendrecstart);
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if($i != -1) {
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$i += length $recend; # find the actual splitting location
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$anything_written +=
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write_record_to_pipe($chunk_number++,\$header,\$buf,
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$recstart,$recend,$i);
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substr($buf,0,$i) = "";
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}
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}
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}
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if(not $anything_written and not eof($in)) {
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# Nothing was written - maybe the block size < record size?
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# Increase blocksize exponentially
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my $old_blocksize = $blocksize;
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$blocksize = ceil($blocksize * 1.3 + 1);
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::warning("A record was longer than $old_blocksize. " .
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"Increasing to --blocksize $blocksize\n");
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}
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}
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::debug("init", "Done reading input\n");
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# If there is anything left in the buffer write it
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substr($buf,0,0) = "";
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write_record_to_pipe($chunk_number++,\$header,\$buf,$recstart,$recend,length $buf);
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$Global::start_no_new_jobs ||= 1;
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if($opt::roundrobin) {
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for my $job (values %Global::running) {
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close $job->fh(0,"w");
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}
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my %incomplete_jobs = %Global::running;
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my $sleep = 1;
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while(keys %incomplete_jobs) {
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my $something_written = 0;
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for my $pid (keys %incomplete_jobs) {
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my $job = $incomplete_jobs{$pid};
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if($job->stdin_buffer_length()) {
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$something_written += $job->non_block_write();
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} else {
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delete $incomplete_jobs{$pid}
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}
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}
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if($something_written) {
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$sleep = $sleep/2+0.001;
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}
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$sleep = ::reap_usleep($sleep);
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}
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}
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}
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sub recstartrecend {
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# Uses:
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# $opt::recstart
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# $opt::recend
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# Returns:
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# $recstart,$recend with default values and regexp conversion
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my($recstart,$recend);
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if(defined($opt::recstart) and defined($opt::recend)) {
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# If both --recstart and --recend is given then both must match
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$recstart = $opt::recstart;
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$recend = $opt::recend;
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} elsif(defined($opt::recstart)) {
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# If --recstart is given it must match start of record
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$recstart = $opt::recstart;
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$recend = "";
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} elsif(defined($opt::recend)) {
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# If --recend is given then it must match end of record
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$recstart = "";
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$recend = $opt::recend;
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}
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if($opt::regexp) {
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# If $recstart/$recend contains '|' this should only apply to the regexp
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$recstart = "(?:".$recstart.")";
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$recend = "(?:".$recend.")";
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} else {
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# $recstart/$recend = printf strings (\n)
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$recstart =~ s/\\([0rnt\'\"\\])/"qq|\\$1|"/gee;
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$recend =~ s/\\([0rnt\'\"\\])/"qq|\\$1|"/gee;
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}
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return ($recstart,$recend);
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}
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sub nindex {
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# See if string is in buffer N times
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# Returns:
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# the position where the Nth copy is found
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my ($buf_ref, $str, $n) = @_;
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my $i = 0;
|
|
for(1..$n) {
|
|
$i = index($$buf_ref,$str,$i+1);
|
|
if($i == -1) { last }
|
|
}
|
|
return $i;
|
|
}
|
|
|
|
{
|
|
my @robin_queue;
|
|
|
|
sub round_robin_write {
|
|
# Input:
|
|
# $header_ref = ref to $header string
|
|
# $block_ref = ref to $block to be written
|
|
# $recstart = record start string
|
|
# $recend = record end string
|
|
# $endpos = end position of $block
|
|
# Uses:
|
|
# %Global::running
|
|
my ($header_ref,$block_ref,$recstart,$recend,$endpos) = @_;
|
|
my $something_written = 0;
|
|
my $block_passed = 0;
|
|
my $sleep = 1;
|
|
while(not $block_passed) {
|
|
# Continue flushing existing buffers
|
|
# until one is empty and a new block is passed
|
|
# Make a queue to spread the blocks evenly
|
|
if(not @robin_queue) {
|
|
push @robin_queue, values %Global::running;
|
|
}
|
|
while(my $job = shift @robin_queue) {
|
|
if($job->stdin_buffer_length() > 0) {
|
|
$something_written += $job->non_block_write();
|
|
} else {
|
|
$job->set_stdin_buffer($header_ref,$block_ref,$endpos,$recstart,$recend);
|
|
$block_passed = 1;
|
|
$job->set_virgin(0);
|
|
$something_written += $job->non_block_write();
|
|
last;
|
|
}
|
|
}
|
|
$sleep = ::reap_usleep($sleep);
|
|
}
|
|
return $something_written;
|
|
}
|
|
}
|
|
|
|
sub write_record_to_pipe {
|
|
# Fork then
|
|
# Write record from pos 0 .. $endpos to pipe
|
|
# Input:
|
|
# $chunk_number = sequence number - to see if already run
|
|
# $header_ref = reference to header string to prepend
|
|
# $record_ref = reference to record to write
|
|
# $recstart = start string of record
|
|
# $recend = end string of record
|
|
# $endpos = position in $record_ref where record ends
|
|
# Uses:
|
|
# $Global::job_already_run
|
|
# $opt::roundrobin
|
|
# @Global::virgin_jobs
|
|
# Returns:
|
|
# Number of chunks written (0 or 1)
|
|
my ($chunk_number,$header_ref,$record_ref,$recstart,$recend,$endpos) = @_;
|
|
if($endpos == 0) { return 0; }
|
|
if(vec($Global::job_already_run,$chunk_number,1)) { return 1; }
|
|
if($opt::roundrobin) {
|
|
return round_robin_write($header_ref,$record_ref,$recstart,$recend,$endpos);
|
|
}
|
|
# If no virgin found, backoff
|
|
my $sleep = 0.0001; # 0.01 ms - better performance on highend
|
|
while(not @Global::virgin_jobs) {
|
|
::debug("pipe", "No virgin jobs");
|
|
$sleep = ::reap_usleep($sleep);
|
|
# Jobs may not be started because of loadavg
|
|
# or too little time between each ssh login.
|
|
start_more_jobs();
|
|
}
|
|
my $job = shift @Global::virgin_jobs;
|
|
# Job is no longer virgin
|
|
$job->set_virgin(0);
|
|
if(fork()) {
|
|
# Skip
|
|
} else {
|
|
# Chop of at $endpos as we do not know how many rec_sep will
|
|
# be removed.
|
|
substr($$record_ref,$endpos,length $$record_ref) = "";
|
|
# Remove rec_sep
|
|
if($opt::remove_rec_sep) {
|
|
Job::remove_rec_sep($record_ref,$recstart,$recend);
|
|
}
|
|
$job->write($header_ref);
|
|
$job->write($record_ref);
|
|
close $job->fh(0,"w");
|
|
exit(0);
|
|
}
|
|
close $job->fh(0,"w");
|
|
return 1;
|
|
}
|
|
|
|
sub __SEM_MODE__ {}
|
|
|
|
sub acquire_semaphore {
|
|
# Acquires semaphore. If needed: spawns to the background
|
|
# Uses:
|
|
# @Global::host
|
|
# Returns:
|
|
# The semaphore to be released when jobs is complete
|
|
$Global::host{':'} = SSHLogin->new(":");
|
|
my $sem = Semaphore->new($Semaphore::name,$Global::host{':'}->max_jobs_running());
|
|
$sem->acquire();
|
|
if($Semaphore::fg) {
|
|
# skip
|
|
} else {
|
|
# If run in the background, the PID will change
|
|
# therefore release and re-acquire the semaphore
|
|
$sem->release();
|
|
if(fork()) {
|
|
exit(0);
|
|
} else {
|
|
# child
|
|
# Get a semaphore for this pid
|
|
::die_bug("Can't start a new session: $!") if setsid() == -1;
|
|
$sem = Semaphore->new($Semaphore::name,$Global::host{':'}->max_jobs_running());
|
|
$sem->acquire();
|
|
}
|
|
}
|
|
return $sem;
|
|
}
|
|
|
|
sub __PARSE_OPTIONS__ {}
|
|
|
|
sub options_hash {
|
|
# Returns:
|
|
# %hash = the GetOptions config
|
|
return
|
|
("debug|D=s" => \$opt::D,
|
|
"xargs" => \$opt::xargs,
|
|
"m" => \$opt::m,
|
|
"X" => \$opt::X,
|
|
"v" => \@opt::v,
|
|
"joblog=s" => \$opt::joblog,
|
|
"results|result|res=s" => \$opt::results,
|
|
"resume" => \$opt::resume,
|
|
"resume-failed|resumefailed" => \$opt::resume_failed,
|
|
"silent" => \$opt::silent,
|
|
#"silent-error|silenterror" => \$opt::silent_error,
|
|
"keep-order|keeporder|k" => \$opt::keeporder,
|
|
"group" => \$opt::group,
|
|
"g" => \$opt::retired,
|
|
"ungroup|u" => \$opt::ungroup,
|
|
"linebuffer|linebuffered|line-buffer|line-buffered" => \$opt::linebuffer,
|
|
"tmux" => \$opt::tmux,
|
|
"null|0" => \$opt::0,
|
|
"quote|q" => \$opt::q,
|
|
# Replacement strings
|
|
"parens=s" => \$opt::parens,
|
|
"rpl=s" => \@opt::rpl,
|
|
"plus" => \$opt::plus,
|
|
"I=s" => \$opt::I,
|
|
"extensionreplace|er=s" => \$opt::U,
|
|
"U=s" => \$opt::retired,
|
|
"basenamereplace|bnr=s" => \$opt::basenamereplace,
|
|
"dirnamereplace|dnr=s" => \$opt::dirnamereplace,
|
|
"basenameextensionreplace|bner=s" => \$opt::basenameextensionreplace,
|
|
"seqreplace=s" => \$opt::seqreplace,
|
|
"slotreplace=s" => \$opt::slotreplace,
|
|
"jobs|j=s" => \$opt::jobs,
|
|
"delay=f" => \$opt::delay,
|
|
"sshdelay=f" => \$opt::sshdelay,
|
|
"load=s" => \$opt::load,
|
|
"noswap" => \$opt::noswap,
|
|
"max-line-length-allowed" => \$opt::max_line_length_allowed,
|
|
"number-of-cpus" => \$opt::number_of_cpus,
|
|
"number-of-cores" => \$opt::number_of_cores,
|
|
"use-cpus-instead-of-cores" => \$opt::use_cpus_instead_of_cores,
|
|
"shellquote|shell_quote|shell-quote" => \$opt::shellquote,
|
|
"nice=i" => \$opt::nice,
|
|
"timeout=s" => \$opt::timeout,
|
|
"tag" => \$opt::tag,
|
|
"tagstring|tag-string=s" => \$opt::tagstring,
|
|
"onall" => \$opt::onall,
|
|
"nonall" => \$opt::nonall,
|
|
"filter-hosts|filterhosts|filter-host" => \$opt::filter_hosts,
|
|
"sshlogin|S=s" => \@opt::sshlogin,
|
|
"sshloginfile|slf=s" => \@opt::sshloginfile,
|
|
"controlmaster|M" => \$opt::controlmaster,
|
|
"return=s" => \@opt::return,
|
|
"trc=s" => \@opt::trc,
|
|
"transfer" => \$opt::transfer,
|
|
"cleanup" => \$opt::cleanup,
|
|
"basefile|bf=s" => \@opt::basefile,
|
|
"B=s" => \$opt::retired,
|
|
"ctrlc|ctrl-c" => \$opt::ctrlc,
|
|
"noctrlc|no-ctrlc|no-ctrl-c" => \$opt::noctrlc,
|
|
"workdir|work-dir|wd=s" => \$opt::workdir,
|
|
"W=s" => \$opt::retired,
|
|
"tmpdir=s" => \$opt::tmpdir,
|
|
"tempdir=s" => \$opt::tmpdir,
|
|
"use-compress-program|compress-program=s" => \$opt::compress_program,
|
|
"use-decompress-program|decompress-program=s" => \$opt::decompress_program,
|
|
"compress" => \$opt::compress,
|
|
"tty" => \$opt::tty,
|
|
"T" => \$opt::retired,
|
|
"halt-on-error|halt=s" => \$opt::halt_on_error,
|
|
"H=i" => \$opt::retired,
|
|
"retries=i" => \$opt::retries,
|
|
"dry-run|dryrun" => \$opt::dryrun,
|
|
"progress" => \$opt::progress,
|
|
"eta" => \$opt::eta,
|
|
"bar" => \$opt::bar,
|
|
"arg-sep|argsep=s" => \$opt::arg_sep,
|
|
"arg-file-sep|argfilesep=s" => \$opt::arg_file_sep,
|
|
"trim=s" => \$opt::trim,
|
|
"env=s" => \@opt::env,
|
|
"recordenv|record-env" => \$opt::record_env,
|
|
"plain" => \$opt::plain,
|
|
"profile|J=s" => \@opt::profile,
|
|
"pipe|spreadstdin" => \$opt::pipe,
|
|
"robin|round-robin|roundrobin" => \$opt::roundrobin,
|
|
"recstart=s" => \$opt::recstart,
|
|
"recend=s" => \$opt::recend,
|
|
"regexp|regex" => \$opt::regexp,
|
|
"remove-rec-sep|removerecsep|rrs" => \$opt::remove_rec_sep,
|
|
"files|output-as-files|outputasfiles" => \$opt::files,
|
|
"block|block-size|blocksize=s" => \$opt::blocksize,
|
|
"tollef" => \$opt::retired,
|
|
"gnu" => \$opt::gnu,
|
|
"xapply" => \$opt::xapply,
|
|
"bibtex" => \$opt::bibtex,
|
|
"nn|nonotice|no-notice" => \$opt::no_notice,
|
|
# xargs-compatibility - implemented, man, testsuite
|
|
"max-procs|P=s" => \$opt::jobs,
|
|
"delimiter|d=s" => \$opt::d,
|
|
"max-chars|s=i" => \$opt::max_chars,
|
|
"arg-file|a=s" => \@opt::a,
|
|
"no-run-if-empty|r" => \$opt::r,
|
|
"replace|i:s" => \$opt::i,
|
|
"E=s" => \$opt::eof,
|
|
"eof|e:s" => \$opt::eof,
|
|
"max-args|n=i" => \$opt::max_args,
|
|
"max-replace-args|N=i" => \$opt::max_replace_args,
|
|
"colsep|col-sep|C=s" => \$opt::colsep,
|
|
"help|h" => \$opt::help,
|
|
"L=f" => \$opt::L,
|
|
"max-lines|l:f" => \$opt::max_lines,
|
|
"interactive|p" => \$opt::p,
|
|
"verbose|t" => \$opt::verbose,
|
|
"version|V" => \$opt::version,
|
|
"minversion|min-version=i" => \$opt::minversion,
|
|
"show-limits|showlimits" => \$opt::show_limits,
|
|
"exit|x" => \$opt::x,
|
|
# Semaphore
|
|
"semaphore" => \$opt::semaphore,
|
|
"semaphoretimeout=i" => \$opt::semaphoretimeout,
|
|
"semaphorename|id=s" => \$opt::semaphorename,
|
|
"fg" => \$opt::fg,
|
|
"bg" => \$opt::bg,
|
|
"wait" => \$opt::wait,
|
|
# Shebang #!/usr/bin/parallel --shebang
|
|
"shebang|hashbang" => \$opt::shebang,
|
|
"internal-pipe-means-argfiles" => \$opt::internal_pipe_means_argfiles,
|
|
"Y" => \$opt::retired,
|
|
"skip-first-line" => \$opt::skip_first_line,
|
|
"header=s" => \$opt::header,
|
|
"cat" => \$opt::cat,
|
|
"fifo" => \$opt::fifo,
|
|
"pipepart|pipe-part" => \$opt::pipepart,
|
|
"hgrp|hostgroup|hostgroups" => \$opt::hostgroups,
|
|
);
|
|
}
|
|
|
|
sub get_options_from_array {
|
|
# Run GetOptions on @array
|
|
# Input:
|
|
# $array_ref = ref to @ARGV to parse
|
|
# @keep_only = Keep only these options
|
|
# Uses:
|
|
# @ARGV
|
|
# Returns:
|
|
# true if parsing worked
|
|
# false if parsing failed
|
|
# @$array_ref is changed
|
|
my ($array_ref, @keep_only) = @_;
|
|
if(not @$array_ref) {
|
|
# Empty array: No need to look more at that
|
|
return 1;
|
|
}
|
|
# A bit of shuffling of @ARGV needed as GetOptionsFromArray is not
|
|
# supported everywhere
|
|
my @save_argv;
|
|
my $this_is_ARGV = (\@::ARGV == $array_ref);
|
|
if(not $this_is_ARGV) {
|
|
@save_argv = @::ARGV;
|
|
@::ARGV = @{$array_ref};
|
|
}
|
|
# If @keep_only set: Ignore all values except @keep_only
|
|
my %options = options_hash();
|
|
if(@keep_only) {
|
|
my (%keep,@dummy);
|
|
@keep{@keep_only} = @keep_only;
|
|
for my $k (grep { not $keep{$_} } keys %options) {
|
|
# Store the value of the option in @dummy
|
|
$options{$k} = \@dummy;
|
|
}
|
|
}
|
|
my $retval = GetOptions(%options);
|
|
if(not $this_is_ARGV) {
|
|
@{$array_ref} = @::ARGV;
|
|
@::ARGV = @save_argv;
|
|
}
|
|
return $retval;
|
|
}
|
|
|
|
sub parse_options {
|
|
# Returns: N/A
|
|
# Defaults:
|
|
$Global::version = 20141122;
|
|
$Global::progname = 'parallel';
|
|
$Global::infinity = 2**31;
|
|
$Global::debug = 0;
|
|
$Global::verbose = 0;
|
|
$Global::quoting = 0;
|
|
# Read only table with default --rpl values
|
|
%Global::replace =
|
|
(
|
|
'{}' => '',
|
|
'{#}' => '1 $_=$job->seq()',
|
|
'{%}' => '1 $_=$job->slot()',
|
|
'{/}' => 's:.*/::',
|
|
'{//}' => '$Global::use{"File::Basename"} ||= eval "use File::Basename; 1;"; $_ = dirname($_);',
|
|
'{/.}' => 's:.*/::; s:\.[^/.]+$::;',
|
|
'{.}' => 's:\.[^/.]+$::',
|
|
);
|
|
%Global::plus =
|
|
(
|
|
# {} = {+/}/{/}
|
|
# = {.}.{+.} = {+/}/{/.}.{+.}
|
|
# = {..}.{+..} = {+/}/{/..}.{+..}
|
|
# = {...}.{+...} = {+/}/{/...}.{+...}
|
|
'{+/}' => 's:/[^/]*$::',
|
|
'{+.}' => 's:.*\.::',
|
|
'{+..}' => 's:.*\.([^.]*\.):$1:',
|
|
'{+...}' => 's:.*\.([^.]*\.[^.]*\.):$1:',
|
|
'{..}' => 's:\.[^/.]+$::; s:\.[^/.]+$::',
|
|
'{...}' => 's:\.[^/.]+$::; s:\.[^/.]+$::; s:\.[^/.]+$::',
|
|
'{/..}' => 's:.*/::; s:\.[^/.]+$::; s:\.[^/.]+$::',
|
|
'{/...}' => 's:.*/::; s:\.[^/.]+$::; s:\.[^/.]+$::; s:\.[^/.]+$::',
|
|
);
|
|
# Modifiable copy of %Global::replace
|
|
%Global::rpl = %Global::replace;
|
|
$Global::parens = "{==}";
|
|
$/="\n";
|
|
$Global::ignore_empty = 0;
|
|
$Global::interactive = 0;
|
|
$Global::stderr_verbose = 0;
|
|
$Global::default_simultaneous_sshlogins = 9;
|
|
$Global::exitstatus = 0;
|
|
$Global::halt_on_error_exitstatus = 0;
|
|
$Global::arg_sep = ":::";
|
|
$Global::arg_file_sep = "::::";
|
|
$Global::trim = 'n';
|
|
$Global::max_jobs_running = 0;
|
|
$Global::job_already_run = '';
|
|
$ENV{'TMPDIR'} ||= "/tmp";
|
|
|
|
@ARGV=read_options();
|
|
|
|
if(@opt::v) { $Global::verbose = $#opt::v+1; } # Convert -v -v to v=2
|
|
$Global::debug = $opt::D;
|
|
$Global::shell = $ENV{'PARALLEL_SHELL'} || parent_shell($$) || $ENV{'SHELL'} || "/bin/sh";
|
|
if(defined $opt::X) { $Global::ContextReplace = 1; }
|
|
if(defined $opt::silent) { $Global::verbose = 0; }
|
|
if(defined $opt::0) { $/ = "\0"; }
|
|
if(defined $opt::d) { my $e="sprintf \"$opt::d\""; $/ = eval $e; }
|
|
if(defined $opt::p) { $Global::interactive = $opt::p; }
|
|
if(defined $opt::q) { $Global::quoting = 1; }
|
|
if(defined $opt::r) { $Global::ignore_empty = 1; }
|
|
if(defined $opt::verbose) { $Global::stderr_verbose = 1; }
|
|
# Deal with --rpl
|
|
sub rpl {
|
|
# Modify %Global::rpl
|
|
# Replace $old with $new
|
|
my ($old,$new) = @_;
|
|
if($old ne $new) {
|
|
$Global::rpl{$new} = $Global::rpl{$old};
|
|
delete $Global::rpl{$old};
|
|
}
|
|
}
|
|
if(defined $opt::parens) { $Global::parens = $opt::parens; }
|
|
my $parenslen = 0.5*length $Global::parens;
|
|
$Global::parensleft = substr($Global::parens,0,$parenslen);
|
|
$Global::parensright = substr($Global::parens,$parenslen);
|
|
if(defined $opt::plus) { %Global::rpl = (%Global::plus,%Global::rpl); }
|
|
if(defined $opt::I) { rpl('{}',$opt::I); }
|
|
if(defined $opt::U) { rpl('{.}',$opt::U); }
|
|
if(defined $opt::i and $opt::i) { rpl('{}',$opt::i); }
|
|
if(defined $opt::basenamereplace) { rpl('{/}',$opt::basenamereplace); }
|
|
if(defined $opt::dirnamereplace) { rpl('{//}',$opt::dirnamereplace); }
|
|
if(defined $opt::seqreplace) { rpl('{#}',$opt::seqreplace); }
|
|
if(defined $opt::slotreplace) { rpl('{%}',$opt::slotreplace); }
|
|
if(defined $opt::basenameextensionreplace) {
|
|
rpl('{/.}',$opt::basenameextensionreplace);
|
|
}
|
|
for(@opt::rpl) {
|
|
# Create $Global::rpl entries for --rpl options
|
|
# E.g: "{..} s:\.[^.]+$:;s:\.[^.]+$:;"
|
|
my ($shorthand,$long) = split/ /,$_,2;
|
|
$Global::rpl{$shorthand} = $long;
|
|
}
|
|
if(defined $opt::eof) { $Global::end_of_file_string = $opt::eof; }
|
|
if(defined $opt::max_args) { $Global::max_number_of_args = $opt::max_args; }
|
|
if(defined $opt::timeout) { $Global::timeoutq = TimeoutQueue->new($opt::timeout); }
|
|
if(defined $opt::tmpdir) { $ENV{'TMPDIR'} = $opt::tmpdir; }
|
|
if(defined $opt::help) { die_usage(); }
|
|
if(defined $opt::colsep) { $Global::trim = 'lr'; }
|
|
if(defined $opt::header) { $opt::colsep = defined $opt::colsep ? $opt::colsep : "\t"; }
|
|
if(defined $opt::trim) { $Global::trim = $opt::trim; }
|
|
if(defined $opt::arg_sep) { $Global::arg_sep = $opt::arg_sep; }
|
|
if(defined $opt::arg_file_sep) { $Global::arg_file_sep = $opt::arg_file_sep; }
|
|
if(defined $opt::number_of_cpus) { print SSHLogin::no_of_cpus(),"\n"; wait_and_exit(0); }
|
|
if(defined $opt::number_of_cores) {
|
|
print SSHLogin::no_of_cores(),"\n"; wait_and_exit(0);
|
|
}
|
|
if(defined $opt::max_line_length_allowed) {
|
|
print Limits::Command::real_max_length(),"\n"; wait_and_exit(0);
|
|
}
|
|
if(defined $opt::version) { version(); wait_and_exit(0); }
|
|
if(defined $opt::bibtex) { bibtex(); wait_and_exit(0); }
|
|
if(defined $opt::record_env) { record_env(); wait_and_exit(0); }
|
|
if(defined $opt::show_limits) { show_limits(); }
|
|
if(@opt::sshlogin) { @Global::sshlogin = @opt::sshlogin; }
|
|
if(@opt::sshloginfile) { read_sshloginfiles(@opt::sshloginfile); }
|
|
if(@opt::return) { push @Global::ret_files, @opt::return; }
|
|
if(not defined $opt::recstart and
|
|
not defined $opt::recend) { $opt::recend = "\n"; }
|
|
if(not defined $opt::blocksize) { $opt::blocksize = "1M"; }
|
|
$opt::blocksize = multiply_binary_prefix($opt::blocksize);
|
|
if(defined $opt::controlmaster) { $opt::noctrlc = 1; }
|
|
if(defined $opt::semaphore) { $Global::semaphore = 1; }
|
|
if(defined $opt::semaphoretimeout) { $Global::semaphore = 1; }
|
|
if(defined $opt::semaphorename) { $Global::semaphore = 1; }
|
|
if(defined $opt::fg) { $Global::semaphore = 1; }
|
|
if(defined $opt::bg) { $Global::semaphore = 1; }
|
|
if(defined $opt::wait) { $Global::semaphore = 1; }
|
|
if(defined $opt::halt_on_error and
|
|
$opt::halt_on_error=~/%/) { $opt::halt_on_error /= 100; }
|
|
if(defined $opt::timeout and $opt::timeout !~ /^\d+(\.\d+)?%?$/) {
|
|
::error("--timeout must be seconds or percentage\n");
|
|
wait_and_exit(255);
|
|
}
|
|
if(defined $opt::minversion) {
|
|
print $Global::version,"\n";
|
|
if($Global::version < $opt::minversion) {
|
|
wait_and_exit(255);
|
|
} else {
|
|
wait_and_exit(0);
|
|
}
|
|
}
|
|
if(not defined $opt::delay) {
|
|
# Set --delay to --sshdelay if not set
|
|
$opt::delay = $opt::sshdelay;
|
|
}
|
|
if($opt::compress_program) {
|
|
$opt::compress = 1;
|
|
$opt::decompress_program ||= $opt::compress_program." -dc";
|
|
}
|
|
if($opt::compress) {
|
|
my ($compress, $decompress) = find_compression_program();
|
|
$opt::compress_program ||= $compress;
|
|
$opt::decompress_program ||= $decompress;
|
|
}
|
|
if(defined $opt::nonall) {
|
|
# Append a dummy empty argument
|
|
push @ARGV, $Global::arg_sep, "";
|
|
}
|
|
if(defined $opt::tty) {
|
|
# Defaults for --tty: -j1 -u
|
|
# Can be overridden with -jXXX -g
|
|
if(not defined $opt::jobs) {
|
|
$opt::jobs = 1;
|
|
}
|
|
if(not defined $opt::group) {
|
|
$opt::ungroup = 0;
|
|
}
|
|
}
|
|
if(@opt::trc) {
|
|
push @Global::ret_files, @opt::trc;
|
|
$opt::transfer = 1;
|
|
$opt::cleanup = 1;
|
|
}
|
|
if(defined $opt::max_lines) {
|
|
if($opt::max_lines eq "-0") {
|
|
# -l -0 (swallowed -0)
|
|
$opt::max_lines = 1;
|
|
$opt::0 = 1;
|
|
$/ = "\0";
|
|
} elsif ($opt::max_lines == 0) {
|
|
# If not given (or if 0 is given) => 1
|
|
$opt::max_lines = 1;
|
|
}
|
|
$Global::max_lines = $opt::max_lines;
|
|
if(not $opt::pipe) {
|
|
# --pipe -L means length of record - not max_number_of_args
|
|
$Global::max_number_of_args ||= $Global::max_lines;
|
|
}
|
|
}
|
|
|
|
# Read more than one arg at a time (-L, -N)
|
|
if(defined $opt::L) {
|
|
$Global::max_lines = $opt::L;
|
|
if(not $opt::pipe) {
|
|
# --pipe -L means length of record - not max_number_of_args
|
|
$Global::max_number_of_args ||= $Global::max_lines;
|
|
}
|
|
}
|
|
if(defined $opt::max_replace_args) {
|
|
$Global::max_number_of_args = $opt::max_replace_args;
|
|
$Global::ContextReplace = 1;
|
|
}
|
|
if((defined $opt::L or defined $opt::max_replace_args)
|
|
and
|
|
not ($opt::xargs or $opt::m)) {
|
|
$Global::ContextReplace = 1;
|
|
}
|
|
if(defined $opt::tag and not defined $opt::tagstring) {
|
|
$opt::tagstring = "\257<\257>"; # Default = {}
|
|
}
|
|
if(defined $opt::pipepart and
|
|
(defined $opt::L or defined $opt::max_lines
|
|
or defined $opt::max_replace_args)) {
|
|
::error("--pipepart is incompatible with --max-replace-args, ",
|
|
"--max-lines, and -L.\n");
|
|
wait_and_exit(255);
|
|
}
|
|
if(grep /^$Global::arg_sep$|^$Global::arg_file_sep$/o, @ARGV) {
|
|
# Deal with ::: and ::::
|
|
@ARGV=read_args_from_command_line();
|
|
}
|
|
|
|
# Semaphore defaults
|
|
# Must be done before computing number of processes and max_line_length
|
|
# because when running as a semaphore GNU Parallel does not read args
|
|
$Global::semaphore ||= ($0 =~ m:(^|/)sem$:); # called as 'sem'
|
|
if($Global::semaphore) {
|
|
# A semaphore does not take input from neither stdin nor file
|
|
@opt::a = ("/dev/null");
|
|
push(@Global::unget_argv, [Arg->new("")]);
|
|
$Semaphore::timeout = $opt::semaphoretimeout || 0;
|
|
if(defined $opt::semaphorename) {
|
|
$Semaphore::name = $opt::semaphorename;
|
|
} else {
|
|
$Semaphore::name = `tty`;
|
|
chomp $Semaphore::name;
|
|
}
|
|
$Semaphore::fg = $opt::fg;
|
|
$Semaphore::wait = $opt::wait;
|
|
$Global::default_simultaneous_sshlogins = 1;
|
|
if(not defined $opt::jobs) {
|
|
$opt::jobs = 1;
|
|
}
|
|
if($Global::interactive and $opt::bg) {
|
|
::error("Jobs running in the ".
|
|
"background cannot be interactive.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
if(defined $opt::eta) {
|
|
$opt::progress = $opt::eta;
|
|
}
|
|
if(defined $opt::bar) {
|
|
$opt::progress = $opt::bar;
|
|
}
|
|
if(defined $opt::retired) {
|
|
::error("-g has been retired. Use --group.\n");
|
|
::error("-B has been retired. Use --bf.\n");
|
|
::error("-T has been retired. Use --tty.\n");
|
|
::error("-U has been retired. Use --er.\n");
|
|
::error("-W has been retired. Use --wd.\n");
|
|
::error("-Y has been retired. Use --shebang.\n");
|
|
::error("-H has been retired. Use --halt.\n");
|
|
::error("--tollef has been retired. Use -u -q --arg-sep -- and --load for -l.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
citation_notice();
|
|
|
|
parse_sshlogin();
|
|
parse_env_var();
|
|
|
|
if(remote_hosts() and ($opt::X or $opt::m or $opt::xargs)) {
|
|
# As we do not know the max line length on the remote machine
|
|
# long commands generated by xargs may fail
|
|
# If opt_N is set, it is probably safe
|
|
::warning("Using -X or -m with --sshlogin may fail.\n");
|
|
}
|
|
|
|
if(not defined $opt::jobs) {
|
|
$opt::jobs = "100%";
|
|
}
|
|
open_joblog();
|
|
}
|
|
|
|
sub env_quote {
|
|
# Input:
|
|
# $v = value to quote
|
|
# Returns:
|
|
# $v = value quoted as environment variable
|
|
my $v = $_[0];
|
|
$v =~ s/([\\])/\\$1/g;
|
|
$v =~ s/([\[\] \#\'\&\<\>\(\)\;\{\}\t\"\$\`\*\174\!\?\~])/\\$1/g;
|
|
$v =~ s/\n/"\n"/g;
|
|
return $v;
|
|
}
|
|
|
|
sub record_env {
|
|
# Record current %ENV-keys in ~/.parallel/ignored_vars
|
|
# Returns: N/A
|
|
my $ignore_filename = $ENV{'HOME'} . "/.parallel/ignored_vars";
|
|
if(open(my $vars_fh, ">", $ignore_filename)) {
|
|
print $vars_fh map { $_,"\n" } keys %ENV;
|
|
} else {
|
|
::error("Cannot write to $ignore_filename\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
|
|
sub parse_env_var {
|
|
# Parse --env and set $Global::envvar, $Global::envwarn and $Global::envvarlen
|
|
#
|
|
# Bash functions must be parsed to export them remotely
|
|
# Pre-shellshock style bash function:
|
|
# myfunc=() {...
|
|
# Post-shellshock style bash function:
|
|
# BASH_FUNC_myfunc()=() {...
|
|
#
|
|
# Uses:
|
|
# $Global::envvar = eval string that will set variables in both bash and csh
|
|
# $Global::envwarn = If functions are used: Give warning in csh
|
|
# $Global::envvarlen = length of $Global::envvar
|
|
# @opt::env
|
|
# $Global::shell
|
|
# %ENV
|
|
# Returns: N/A
|
|
$Global::envvar = "";
|
|
$Global::envwarn = "";
|
|
my @vars = ('parallel_bash_environment');
|
|
for my $varstring (@opt::env) {
|
|
# Split up --env VAR1,VAR2
|
|
push @vars, split /,/, $varstring;
|
|
}
|
|
if(grep { /^_$/ } @vars) {
|
|
# --env _
|
|
# Include all vars that are not in a clean environment
|
|
if(open(my $vars_fh, "<", $ENV{'HOME'} . "/.parallel/ignored_vars")) {
|
|
my @ignore = <$vars_fh>;
|
|
chomp @ignore;
|
|
my %ignore;
|
|
@ignore{@ignore} = @ignore;
|
|
close $vars_fh;
|
|
push @vars, grep { not defined $ignore{$_} } keys %ENV;
|
|
@vars = grep { not /^_$/ } @vars;
|
|
} else {
|
|
::error("Run '$Global::progname --record-env' in a clean environment first.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
# Duplicate vars as BASH functions to include post-shellshock functions.
|
|
# So --env myfunc should also look for BASH_FUNC_myfunc()
|
|
@vars = map { $_, "BASH_FUNC_$_()" } @vars;
|
|
# Keep only defined variables
|
|
@vars = grep { defined($ENV{$_}) } @vars;
|
|
# Pre-shellshock style bash function:
|
|
# myfunc=() { echo myfunc
|
|
# }
|
|
# Post-shellshock style bash function:
|
|
# BASH_FUNC_myfunc()=() { echo myfunc
|
|
# }
|
|
my @bash_functions = grep { substr($ENV{$_},0,4) eq "() {" } @vars;
|
|
my @non_functions = grep { substr($ENV{$_},0,4) ne "() {" } @vars;
|
|
if(@bash_functions) {
|
|
# Functions are not supported for all shells
|
|
if($Global::shell !~ m:/(bash|rbash|zsh|rzsh|dash|ksh):) {
|
|
::warning("Shell functions may not be supported in $Global::shell\n");
|
|
}
|
|
}
|
|
|
|
# Pre-shellschock names are without ()
|
|
my @bash_pre_shellshock = grep { not /\(\)/ } @bash_functions;
|
|
# Post-shellschock names are with ()
|
|
my @bash_post_shellshock = grep { /\(\)/ } @bash_functions;
|
|
|
|
my @qcsh = (map { my $a=$_; "setenv $a " . env_quote($ENV{$a}) }
|
|
grep { not /^parallel_bash_environment$/ } @non_functions);
|
|
my @qbash = (map { my $a=$_; "export $a=" . env_quote($ENV{$a}) }
|
|
@non_functions, @bash_pre_shellshock);
|
|
|
|
push @qbash, map { my $a=$_; "eval $a\"\$$a\"" } @bash_pre_shellshock;
|
|
push @qbash, map { /BASH_FUNC_(.*)\(\)/; "$1 $ENV{$_}" } @bash_post_shellshock;
|
|
|
|
#ssh -tt -oLogLevel=quiet lo 'eval `echo PARALLEL_SEQ='$PARALLEL_SEQ'\;export PARALLEL_SEQ\; PARALLEL_PID='$PARALLEL_PID'\;export PARALLEL_PID` ;' tty\ \>/dev/null\ \&\&\ stty\ isig\ -onlcr\ -echo\;echo\ \$SHELL\ \|\ grep\ \"/t\\\{0,1\\\}csh\"\ \>\ /dev/null\ \&\&\ setenv\ BASH_FUNC_myfunc\ \\\(\\\)\\\ \\\{\\\ \\\ echo\\\ a\"'
|
|
#'\"\\\}\ \|\|\ myfunc\(\)\ \{\ \ echo\ a'
|
|
#'\}\ \;myfunc\ 1;
|
|
|
|
# Check if any variables contain \n
|
|
if(my @v = map { s/BASH_FUNC_(.*)\(\)/$1/; $_ } grep { $ENV{$_}=~/\n/ } @vars) {
|
|
# \n is bad for csh and will cause it to fail.
|
|
$Global::envwarn = ::shell_quote_scalar(q{echo $SHELL | egrep "/t?csh" > /dev/null && echo CSH/TCSH DO NOT SUPPORT newlines IN VARIABLES/FUNCTIONS. Unset }."@v".q{ && exec false;}."\n\n") . $Global::envwarn;
|
|
}
|
|
|
|
if(not @qcsh) { push @qcsh, "true"; }
|
|
if(not @qbash) { push @qbash, "true"; }
|
|
# Create lines like:
|
|
# echo $SHELL | grep "/t\\{0,1\\}csh" >/dev/null && setenv V1 val1 && setenv V2 val2 || export V1=val1 && export V2=val2 ; echo "$V1$V2"
|
|
if(@vars) {
|
|
$Global::envvar .=
|
|
join"",
|
|
(q{echo $SHELL | grep "/t\\{0,1\\}csh" > /dev/null && }
|
|
. join(" && ", @qcsh)
|
|
. q{ || }
|
|
. join(" && ", @qbash)
|
|
.q{;});
|
|
if($ENV{'parallel_bash_environment'}) {
|
|
$Global::envvar .= 'eval "$parallel_bash_environment";'."\n";
|
|
}
|
|
}
|
|
$Global::envvarlen = length $Global::envvar;
|
|
}
|
|
|
|
sub open_joblog {
|
|
# Open joblog as specified by --joblog
|
|
# Uses:
|
|
# $opt::resume
|
|
# $opt::resume_failed
|
|
# $opt::joblog
|
|
# $opt::results
|
|
# $Global::job_already_run
|
|
# %Global::fd
|
|
my $append = 0;
|
|
if(($opt::resume or $opt::resume_failed)
|
|
and
|
|
not ($opt::joblog or $opt::results)) {
|
|
::error("--resume and --resume-failed require --joblog or --results.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
if($opt::joblog) {
|
|
if($opt::resume || $opt::resume_failed) {
|
|
if(open(my $joblog_fh, "<", $opt::joblog)) {
|
|
# Read the joblog
|
|
$append = <$joblog_fh>; # If there is a header: Open as append later
|
|
my $joblog_regexp;
|
|
if($opt::resume_failed) {
|
|
# Make a regexp that only matches commands with exit+signal=0
|
|
# 4 host 1360490623.067 3.445 1023 1222 0 0 command
|
|
$joblog_regexp='^(\d+)(?:\t[^\t]+){5}\t0\t0\t';
|
|
} else {
|
|
# Just match the job number
|
|
$joblog_regexp='^(\d+)';
|
|
}
|
|
while(<$joblog_fh>) {
|
|
if(/$joblog_regexp/o) {
|
|
# This is 30% faster than set_job_already_run($1);
|
|
vec($Global::job_already_run,($1||0),1) = 1;
|
|
} elsif(not /\d+\s+[^\s]+\s+([0-9.]+\s+){6}/) {
|
|
::error("Format of '$opt::joblog' is wrong: $_");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
close $joblog_fh;
|
|
}
|
|
}
|
|
if($append) {
|
|
# Append to joblog
|
|
if(not open($Global::joblog, ">>", $opt::joblog)) {
|
|
::error("Cannot append to --joblog $opt::joblog.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
} else {
|
|
if($opt::joblog eq "-") {
|
|
# Use STDOUT as joblog
|
|
$Global::joblog = $Global::fd{1};
|
|
} elsif(not open($Global::joblog, ">", $opt::joblog)) {
|
|
# Overwrite the joblog
|
|
::error("Cannot write to --joblog $opt::joblog.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
print $Global::joblog
|
|
join("\t", "Seq", "Host", "Starttime", "JobRuntime",
|
|
"Send", "Receive", "Exitval", "Signal", "Command"
|
|
). "\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
sub find_compression_program {
|
|
# Find a fast compression program
|
|
# Returns:
|
|
# $compress_program = compress program with options
|
|
# $decompress_program = decompress program with options
|
|
|
|
# Search for these. Sorted by speed
|
|
my @prg = qw(lzop pigz pxz gzip plzip pbzip2 lzma xz lzip bzip2);
|
|
for my $p (@prg) {
|
|
if(which($p)) {
|
|
return ("$p -c -1","$p -dc");
|
|
}
|
|
}
|
|
# Fall back to cat
|
|
return ("cat","cat");
|
|
}
|
|
|
|
|
|
sub read_options {
|
|
# Read options from command line, profile and $PARALLEL
|
|
# Uses:
|
|
# $opt::shebang_wrap
|
|
# $opt::shebang
|
|
# @ARGV
|
|
# $opt::plain
|
|
# @opt::profile
|
|
# $ENV{'HOME'}
|
|
# $ENV{'PARALLEL'}
|
|
# Returns:
|
|
# @ARGV_no_opt = @ARGV without --options
|
|
|
|
# This must be done first as this may exec myself
|
|
if(defined $ARGV[0] and ($ARGV[0] =~ /^--shebang/ or
|
|
$ARGV[0] =~ /^--shebang-?wrap/ or
|
|
$ARGV[0] =~ /^--hashbang/)) {
|
|
# Program is called from #! line in script
|
|
# remove --shebang-wrap if it is set
|
|
$opt::shebang_wrap = ($ARGV[0] =~ s/^--shebang-?wrap *//);
|
|
# remove --shebang if it is set
|
|
$opt::shebang = ($ARGV[0] =~ s/^--shebang *//);
|
|
# remove --hashbang if it is set
|
|
$opt::shebang .= ($ARGV[0] =~ s/^--hashbang *//);
|
|
if($opt::shebang) {
|
|
my $argfile = shell_quote_scalar(pop @ARGV);
|
|
# exec myself to split $ARGV[0] into separate fields
|
|
exec "$0 --skip-first-line -a $argfile @ARGV";
|
|
}
|
|
if($opt::shebang_wrap) {
|
|
my @options;
|
|
my @parser;
|
|
if ($^O eq 'freebsd') {
|
|
# FreeBSD's #! puts different values in @ARGV than Linux' does.
|
|
my @nooptions = @ARGV;
|
|
get_options_from_array(\@nooptions);
|
|
while($#ARGV > $#nooptions) {
|
|
push @options, shift @ARGV;
|
|
}
|
|
while(@ARGV and $ARGV[0] ne ":::") {
|
|
push @parser, shift @ARGV;
|
|
}
|
|
if(@ARGV and $ARGV[0] eq ":::") {
|
|
shift @ARGV;
|
|
}
|
|
} else {
|
|
@options = shift @ARGV;
|
|
}
|
|
my $script = shell_quote_scalar(shift @ARGV);
|
|
# exec myself to split $ARGV[0] into separate fields
|
|
exec "$0 --internal-pipe-means-argfiles @options @parser $script ::: @ARGV";
|
|
}
|
|
}
|
|
|
|
Getopt::Long::Configure("bundling","require_order");
|
|
my @ARGV_copy = @ARGV;
|
|
# Check if there is a --profile to set @opt::profile
|
|
get_options_from_array(\@ARGV_copy,"profile|J=s","plain") || die_usage();
|
|
my @ARGV_profile = ();
|
|
my @ARGV_env = ();
|
|
if(not $opt::plain) {
|
|
# Add options from .parallel/config and other profiles
|
|
my @config_profiles = (
|
|
"/etc/parallel/config",
|
|
$ENV{'HOME'}."/.parallel/config",
|
|
$ENV{'HOME'}."/.parallelrc");
|
|
my @profiles = @config_profiles;
|
|
if(@opt::profile) {
|
|
# --profile overrides default profiles
|
|
@profiles = ();
|
|
for my $profile (@opt::profile) {
|
|
if(-r $profile) {
|
|
push @profiles, $profile;
|
|
} else {
|
|
push @profiles, $ENV{'HOME'}."/.parallel/".$profile;
|
|
}
|
|
}
|
|
}
|
|
for my $profile (@profiles) {
|
|
if(-r $profile) {
|
|
open (my $in_fh, "<", $profile) || ::die_bug("read-profile: $profile");
|
|
while(<$in_fh>) {
|
|
/^\s*\#/ and next;
|
|
chomp;
|
|
push @ARGV_profile, shellwords($_);
|
|
}
|
|
close $in_fh;
|
|
} else {
|
|
if(grep /^$profile$/, @config_profiles) {
|
|
# config file is not required to exist
|
|
} else {
|
|
::error("$profile not readable.\n");
|
|
wait_and_exit(255);
|
|
}
|
|
}
|
|
}
|
|
# Add options from shell variable $PARALLEL
|
|
if($ENV{'PARALLEL'}) {
|
|
@ARGV_env = shellwords($ENV{'PARALLEL'});
|
|
}
|
|
}
|
|
Getopt::Long::Configure("bundling","require_order");
|
|
get_options_from_array(\@ARGV_profile) || die_usage();
|
|
get_options_from_array(\@ARGV_env) || die_usage();
|
|
get_options_from_array(\@ARGV) || die_usage();
|
|
|
|
# Prepend non-options to @ARGV (such as commands like 'nice')
|
|
unshift @ARGV, @ARGV_profile, @ARGV_env;
|
|
return @ARGV;
|
|
}
|
|
|
|
sub read_args_from_command_line {
|
|
# Arguments given on the command line after:
|
|
# ::: ($Global::arg_sep)
|
|
# :::: ($Global::arg_file_sep)
|
|
# Removes the arguments from @ARGV and:
|
|
# - puts filenames into -a
|
|
# - puts arguments into files and add the files to -a
|
|
# Input:
|
|
# @::ARGV = command option ::: arg arg arg :::: argfiles
|
|
# Uses:
|
|
# $Global::arg_sep
|
|
# $Global::arg_file_sep
|
|
# $opt::internal_pipe_means_argfiles
|
|
# $opt::pipe
|
|
# @opt::a
|
|
# Returns:
|
|
# @argv_no_argsep = @::ARGV without ::: and :::: and following args
|
|
my @new_argv = ();
|
|
for(my $arg = shift @ARGV; @ARGV; $arg = shift @ARGV) {
|
|
if($arg eq $Global::arg_sep
|
|
or
|
|
$arg eq $Global::arg_file_sep) {
|
|
my $group = $arg; # This group of arguments is args or argfiles
|
|
my @group;
|
|
while(defined ($arg = shift @ARGV)) {
|
|
if($arg eq $Global::arg_sep
|
|
or
|
|
$arg eq $Global::arg_file_sep) {
|
|
# exit while loop if finding new separator
|
|
last;
|
|
} else {
|
|
# If not hitting ::: or ::::
|
|
# Append it to the group
|
|
push @group, $arg;
|
|
}
|
|
}
|
|
|
|
if($group eq $Global::arg_file_sep
|
|
or ($opt::internal_pipe_means_argfiles and $opt::pipe)
|
|
) {
|
|
# Group of file names on the command line.
|
|
# Append args into -a
|
|
push @opt::a, @group;
|
|
} elsif($group eq $Global::arg_sep) {
|
|
# Group of arguments on the command line.
|
|
# Put them into a file.
|
|
# Create argfile
|
|
my ($outfh,$name) = ::tmpfile(SUFFIX => ".arg");
|
|
unlink($name);
|
|
# Put args into argfile
|
|
print $outfh map { $_,$/ } @group;
|
|
seek $outfh, 0, 0;
|
|
# Append filehandle to -a
|
|
push @opt::a, $outfh;
|
|
} else {
|
|
::die_bug("Unknown command line group: $group");
|
|
}
|
|
if(defined($arg)) {
|
|
# $arg is ::: or ::::
|
|
redo;
|
|
} else {
|
|
# $arg is undef -> @ARGV empty
|
|
last;
|
|
}
|
|
}
|
|
push @new_argv, $arg;
|
|
}
|
|
# Output: @ARGV = command to run with options
|
|
return @new_argv;
|
|
}
|
|
|
|
sub cleanup {
|
|
# Returns: N/A
|
|
if(@opt::basefile) { cleanup_basefile(); }
|
|
}
|
|
|
|
sub __QUOTING_ARGUMENTS_FOR_SHELL__ {}
|
|
|
|
sub shell_quote {
|
|
# Input:
|
|
# @strings = strings to be quoted
|
|
# Output:
|
|
# @shell_quoted_strings = string quoted with \ as needed by the shell
|
|
my @strings = (@_);
|
|
for my $a (@strings) {
|
|
$a =~ s/([\002-\011\013-\032\\\#\?\`\(\)\{\}\[\]\*\>\<\~\|\; \"\!\$\&\'\202-\377])/\\$1/g;
|
|
$a =~ s/[\n]/'\n'/g; # filenames with '\n' is quoted using \'
|
|
}
|
|
return wantarray ? @strings : "@strings";
|
|
}
|
|
|
|
sub shell_quote_empty {
|
|
# Inputs:
|
|
# @strings = strings to be quoted
|
|
# Returns:
|
|
# @quoted_strings = empty strings quoted as ''.
|
|
my @strings = shell_quote(@_);
|
|
for my $a (@strings) {
|
|
if($a eq "") {
|
|
$a = "''";
|
|
}
|
|
}
|
|
return wantarray ? @strings : "@strings";
|
|
}
|
|
|
|
sub shell_quote_scalar {
|
|
# Quote the string so shell will not expand any special chars
|
|
# Inputs:
|
|
# $string = string to be quoted
|
|
# Returns:
|
|
# $shell_quoted = string quoted with \ as needed by the shell
|
|
my $a = $_[0];
|
|
if(defined $a) {
|
|
# $a =~ s/([\002-\011\013-\032\\\#\?\`\(\)\{\}\[\]\*\>\<\~\|\; \"\!\$\&\'\202-\377])/\\$1/g;
|
|
# This is 1% faster than the above
|
|
$a =~ s/[\002-\011\013-\032\\\#\?\`\(\)\{\}\[\]\*\>\<\~\|\; \"\!\$\&\'\202-\377]/\\$&/go;
|
|
$a =~ s/[\n]/'\n'/go; # filenames with '\n' is quoted using \'
|
|
}
|
|
return $a;
|
|
}
|
|
|
|
sub shell_quote_file {
|
|
# Quote the string so shell will not expand any special chars and prepend ./ if needed
|
|
# Input:
|
|
# $filename = filename to be shell quoted
|
|
# Returns:
|
|
# $quoted_filename = filename quoted with \ as needed by the shell and ./ if needed
|
|
my $a = shell_quote_scalar(shift);
|
|
if(defined $a) {
|
|
if($a =~ m:^/: or $a =~ m:^\./:) {
|
|
# /abs/path or ./rel/path => skip
|
|
} else {
|
|
# rel/path => ./rel/path
|
|
$a = "./".$a;
|
|
}
|
|
}
|
|
return $a;
|
|
}
|
|
|
|
sub shellwords {
|
|
# Input:
|
|
# $string = shell line
|
|
# Returns:
|
|
# @shell_words = $string split into words as shell would do
|
|
$Global::use{"Text::ParseWords"} ||= eval "use Text::ParseWords; 1;";
|
|
return Text::ParseWords::shellwords(@_);
|
|
}
|
|
|
|
|
|
sub __FILEHANDLES__ {}
|
|
|
|
|
|
sub save_stdin_stdout_stderr {
|
|
# Remember the original STDIN, STDOUT and STDERR
|
|
# and file descriptors opened by the shell (e.g. 3>/tmp/foo)
|
|
# Uses:
|
|
# %Global::fd
|
|
# $Global::original_stderr
|
|
# $Global::original_stdin
|
|
# Returns: N/A
|
|
|
|
# Find file descriptors that are already opened (by the shell)
|
|
for my $fdno (1..61) {
|
|
# /dev/fd/62 and above are used by bash for <(cmd)
|
|
my $fh;
|
|
# 2-argument-open is used to be compatible with old perl 5.8.0
|
|
# bug #43570: Perl 5.8.0 creates 61 files
|
|
if(open($fh,">&=$fdno")) {
|
|
$Global::fd{$fdno}=$fh;
|
|
}
|
|
}
|
|
open $Global::original_stderr, ">&", "STDERR" or
|
|
::die_bug("Can't dup STDERR: $!");
|
|
open $Global::original_stdin, "<&", "STDIN" or
|
|
::die_bug("Can't dup STDIN: $!");
|
|
}
|
|
|
|
sub enough_file_handles {
|
|
# Check that we have enough filehandles available for starting
|
|
# another job
|
|
# Uses:
|
|
# $opt::ungroup
|
|
# %Global::fd
|
|
# Returns:
|
|
# 1 if ungrouped (thus not needing extra filehandles)
|
|
# 0 if too few filehandles
|
|
# 1 if enough filehandles
|
|
if(not $opt::ungroup) {
|
|
my %fh;
|
|
my $enough_filehandles = 1;
|
|
# perl uses 7 filehandles for something?
|
|
# open3 uses 2 extra filehandles temporarily
|
|
# We need a filehandle for each redirected file descriptor
|
|
# (normally just STDOUT and STDERR)
|
|
for my $i (1..(7+2+keys %Global::fd)) {
|
|
$enough_filehandles &&= open($fh{$i}, "<", "/dev/null");
|
|
}
|
|
for (values %fh) { close $_; }
|
|
return $enough_filehandles;
|
|
} else {
|
|
# Ungrouped does not need extra file handles
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sub open_or_exit {
|
|
# Open a file name or exit if the file cannot be opened
|
|
# Inputs:
|
|
# $file = filehandle or filename to open
|
|
# Uses:
|
|
# $Global::stdin_in_opt_a
|
|
# $Global::original_stdin
|
|
# Returns:
|
|
# $fh = file handle to read-opened file
|
|
my $file = shift;
|
|
if($file eq "-") {
|
|
$Global::stdin_in_opt_a = 1;
|
|
return ($Global::original_stdin || *STDIN);
|
|
}
|
|
if(ref $file eq "GLOB") {
|
|
# This is an open filehandle
|
|
return $file;
|
|
}
|
|
my $fh = gensym;
|
|
if(not open($fh, "<", $file)) {
|
|
::error("Cannot open input file `$file': No such file or directory.\n");
|
|
wait_and_exit(255);
|
|
}
|
|
return $fh;
|
|
}
|
|
|
|
sub __RUNNING_THE_JOBS_AND_PRINTING_PROGRESS__ {}
|
|
|
|
# Variable structure:
|
|
#
|
|
# $Global::running{$pid} = Pointer to Job-object
|
|
# @Global::virgin_jobs = Pointer to Job-object that have received no input
|
|
# $Global::host{$sshlogin} = Pointer to SSHLogin-object
|
|
# $Global::total_running = total number of running jobs
|
|
# $Global::total_started = total jobs started
|
|
|
|
sub init_run_jobs {
|
|
$Global::total_running = 0;
|
|
$Global::total_started = 0;
|
|
$Global::tty_taken = 0;
|
|
$SIG{USR1} = \&list_running_jobs;
|
|
$SIG{USR2} = \&toggle_progress;
|
|
if(@opt::basefile) { setup_basefile(); }
|
|
}
|
|
|
|
{
|
|
my $last_time;
|
|
my %last_mtime;
|
|
|
|
sub start_more_jobs {
|
|
# Run start_another_job() but only if:
|
|
# * not $Global::start_no_new_jobs set
|
|
# * not JobQueue is empty
|
|
# * not load on server is too high
|
|
# * not server swapping
|
|
# * not too short time since last remote login
|
|
# Uses:
|
|
# $Global::max_procs_file
|
|
# $Global::max_procs_file_last_mod
|
|
# %Global::host
|
|
# @opt::sshloginfile
|
|
# $Global::start_no_new_jobs
|
|
# $opt::filter_hosts
|
|
# $Global::JobQueue
|
|
# $opt::pipe
|
|
# $opt::load
|
|
# $opt::noswap
|
|
# $opt::delay
|
|
# $Global::newest_starttime
|
|
# Returns:
|
|
# $jobs_started = number of jobs started
|
|
my $jobs_started = 0;
|
|
my $jobs_started_this_round = 0;
|
|
if($Global::start_no_new_jobs) {
|
|
return $jobs_started;
|
|
}
|
|
if(time - ($last_time||0) > 1) {
|
|
# At most do this every second
|
|
$last_time = time;
|
|
if($Global::max_procs_file) {
|
|
# --jobs filename
|
|
my $mtime = (stat($Global::max_procs_file))[9];
|
|
if($mtime > $Global::max_procs_file_last_mod) {
|
|
# file changed: Force re-computing max_jobs_running
|
|
$Global::max_procs_file_last_mod = $mtime;
|
|
for my $sshlogin (values %Global::host) {
|
|
$sshlogin->set_max_jobs_running(undef);
|
|
}
|
|
}
|
|
}
|
|
if(@opt::sshloginfile) {
|
|
# Is --sshloginfile changed?
|
|
for my $slf (@opt::sshloginfile) {
|
|
my $actual_file = expand_slf_shorthand($slf);
|
|
my $mtime = (stat($actual_file))[9];
|
|
$last_mtime{$actual_file} ||= $mtime;
|
|
if($mtime - $last_mtime{$actual_file} > 1) {
|
|
::debug("run","--sshloginfile $actual_file changed. reload\n");
|
|
$last_mtime{$actual_file} = $mtime;
|
|
# Reload $slf
|
|
# Empty sshlogins
|
|
@Global::sshlogin = ();
|
|
for (values %Global::host) {
|
|
# Don't start new jobs on any host
|
|
# except the ones added back later
|
|
$_->set_max_jobs_running(0);
|
|
}
|
|
# This will set max_jobs_running on the SSHlogins
|
|
read_sshloginfile($actual_file);
|
|
parse_sshlogin();
|
|
$opt::filter_hosts and filter_hosts();
|
|
setup_basefile();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
do {
|
|
$jobs_started_this_round = 0;
|
|
# This will start 1 job on each --sshlogin (if possible)
|
|
# thus distribute the jobs on the --sshlogins round robin
|
|
|
|
for my $sshlogin (values %Global::host) {
|
|
if($Global::JobQueue->empty() and not $opt::pipe) {
|
|
# No more jobs in the queue
|
|
last;
|
|
}
|
|
debug("run", "Running jobs before on ", $sshlogin->string(), ": ",
|
|
$sshlogin->jobs_running(), "\n");
|
|
if ($sshlogin->jobs_running() < $sshlogin->max_jobs_running()) {
|
|
if($opt::load and $sshlogin->loadavg_too_high()) {
|
|
# The load is too high or unknown
|
|
next;
|
|
}
|
|
if($opt::noswap and $sshlogin->swapping()) {
|
|
# The server is swapping
|
|
next;
|
|
}
|
|
if($sshlogin->too_fast_remote_login()) {
|
|
# It has been too short since
|
|
next;
|
|
}
|
|
if($opt::delay and $opt::delay > ::now() - $Global::newest_starttime) {
|
|
# It has been too short since last start
|
|
next;
|
|
}
|
|
debug("run", $sshlogin->string(), " has ", $sshlogin->jobs_running(),
|
|
" out of ", $sshlogin->max_jobs_running(),
|
|
" jobs running. Start another.\n");
|
|
if(start_another_job($sshlogin) == 0) {
|
|
# No more jobs to start on this $sshlogin
|
|
debug("run","No jobs started on ", $sshlogin->string(), "\n");
|
|
next;
|
|
}
|
|
$sshlogin->inc_jobs_running();
|
|
$sshlogin->set_last_login_at(::now());
|
|
$jobs_started++;
|
|
$jobs_started_this_round++;
|
|
}
|
|
debug("run","Running jobs after on ", $sshlogin->string(), ": ",
|
|
$sshlogin->jobs_running(), " of ",
|
|
$sshlogin->max_jobs_running(), "\n");
|
|
}
|
|
} while($jobs_started_this_round);
|
|
|
|
return $jobs_started;
|
|
}
|
|
}
|
|
|
|
{
|
|
my $no_more_file_handles_warned;
|
|
|
|
sub start_another_job {
|
|
# If there are enough filehandles
|
|
# and JobQueue not empty
|
|
# and not $job is in joblog
|
|
# Then grab a job from Global::JobQueue,
|
|
# start it at sshlogin
|
|
# mark it as virgin_job
|
|
# Inputs:
|
|
# $sshlogin = the SSHLogin to start the job on
|
|
# Uses:
|
|
# $Global::JobQueue
|
|
# $opt::pipe
|
|
# $opt::results
|
|
# $opt::resume
|
|
# @Global::virgin_jobs
|
|
# Returns:
|
|
# 1 if another jobs was started
|
|
# 0 otherwise
|
|
my $sshlogin = shift;
|
|
# Do we have enough file handles to start another job?
|
|
if(enough_file_handles()) {
|
|
if($Global::JobQueue->empty() and not $opt::pipe) {
|
|
# No more commands to run
|
|
debug("start", "Not starting: JobQueue empty\n");
|
|
return 0;
|
|
} else {
|
|
my $job;
|
|
# Skip jobs already in job log
|
|
# Skip jobs already in results
|
|
do {
|
|
$job = get_job_with_sshlogin($sshlogin);
|
|
if(not defined $job) {
|
|
# No command available for that sshlogin
|
|
debug("start", "Not starting: no jobs available for ",
|
|
$sshlogin->string(), "\n");
|
|
return 0;
|
|
}
|
|
} while ($job->is_already_in_joblog()
|
|
or
|
|
($opt::results and $opt::resume and $job->is_already_in_results()));
|
|
debug("start", "Command to run on '", $job->sshlogin()->string(), "': '",
|
|
$job->replaced(),"'\n");
|
|
if($job->start()) {
|
|
if($opt::pipe) {
|
|
push(@Global::virgin_jobs,$job);
|
|
}
|
|
debug("start", "Started as seq ", $job->seq(),
|
|
" pid:", $job->pid(), "\n");
|
|
return 1;
|
|
} else {
|
|
# Not enough processes to run the job.
|
|
# Put it back on the queue.
|
|
$Global::JobQueue->unget($job);
|
|
# Count down the number of jobs to run for this SSHLogin.
|
|
my $max = $sshlogin->max_jobs_running();
|
|
if($max > 1) { $max--; } else {
|
|
::error("No more processes: cannot run a single job. Something is wrong.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
$sshlogin->set_max_jobs_running($max);
|
|
# Sleep up to 300 ms to give other processes time to die
|
|
::usleep(rand()*300);
|
|
::warning("No more processes: ",
|
|
"Decreasing number of running jobs to $max. ",
|
|
"Raising ulimit -u or /etc/security/limits.conf may help.\n");
|
|
return 0;
|
|
}
|
|
}
|
|
} else {
|
|
# No more file handles
|
|
$no_more_file_handles_warned++ or
|
|
::warning("No more file handles. ",
|
|
"Raising ulimit -n or /etc/security/limits.conf may help.\n");
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub init_progress {
|
|
# Uses:
|
|
# $opt::bar
|
|
# Returns:
|
|
# list of computers for progress output
|
|
$|=1;
|
|
if($opt::bar) {
|
|
return("","");
|
|
}
|
|
my %progress = progress();
|
|
return ("\nComputers / CPU cores / Max jobs to run\n",
|
|
$progress{'workerlist'});
|
|
}
|
|
|
|
sub drain_job_queue {
|
|
# Uses:
|
|
# $opt::progress
|
|
# $Global::original_stderr
|
|
# $Global::total_running
|
|
# $Global::max_jobs_running
|
|
# %Global::running
|
|
# $Global::JobQueue
|
|
# %Global::host
|
|
# $Global::start_no_new_jobs
|
|
# Returns: N/A
|
|
if($opt::progress) {
|
|
print $Global::original_stderr init_progress();
|
|
}
|
|
my $last_header="";
|
|
my $sleep = 0.2;
|
|
do {
|
|
while($Global::total_running > 0) {
|
|
debug($Global::total_running, "==", scalar
|
|
keys %Global::running," slots: ", $Global::max_jobs_running);
|
|
if($opt::pipe) {
|
|
# When using --pipe sometimes file handles are not closed properly
|
|
for my $job (values %Global::running) {
|
|
close $job->fh(0,"w");
|
|
}
|
|
}
|
|
if($opt::progress) {
|
|
my %progress = progress();
|
|
if($last_header ne $progress{'header'}) {
|
|
print $Global::original_stderr "\n", $progress{'header'}, "\n";
|
|
$last_header = $progress{'header'};
|
|
}
|
|
print $Global::original_stderr "\r",$progress{'status'};
|
|
flush $Global::original_stderr;
|
|
}
|
|
if($Global::total_running < $Global::max_jobs_running
|
|
and not $Global::JobQueue->empty()) {
|
|
# These jobs may not be started because of loadavg
|
|
# or too little time between each ssh login.
|
|
if(start_more_jobs() > 0) {
|
|
# Exponential back-on if jobs were started
|
|
$sleep = $sleep/2+0.001;
|
|
}
|
|
}
|
|
# Sometimes SIGCHLD is not registered, so force reaper
|
|
$sleep = ::reap_usleep($sleep);
|
|
}
|
|
if(not $Global::JobQueue->empty()) {
|
|
# These jobs may not be started:
|
|
# * because there the --filter-hosts has removed all
|
|
if(not %Global::host) {
|
|
::error("There are no hosts left to run on.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
# * because of loadavg
|
|
# * because of too little time between each ssh login.
|
|
start_more_jobs();
|
|
$sleep = ::reap_usleep($sleep);
|
|
if($Global::max_jobs_running == 0) {
|
|
::warning("There are no job slots available. Increase --jobs.\n");
|
|
}
|
|
}
|
|
} while ($Global::total_running > 0
|
|
or
|
|
not $Global::start_no_new_jobs and not $Global::JobQueue->empty());
|
|
if($opt::progress) {
|
|
my %progress = progress();
|
|
print $Global::original_stderr "\r", $progress{'status'}, "\n";
|
|
flush $Global::original_stderr;
|
|
}
|
|
}
|
|
|
|
sub toggle_progress {
|
|
# Turn on/off progress view
|
|
# Uses:
|
|
# $opt::progress
|
|
# $Global::original_stderr
|
|
# Returns: N/A
|
|
$opt::progress = not $opt::progress;
|
|
if($opt::progress) {
|
|
print $Global::original_stderr init_progress();
|
|
}
|
|
}
|
|
|
|
sub progress {
|
|
# Uses:
|
|
# $opt::bar
|
|
# $opt::eta
|
|
# %Global::host
|
|
# $Global::total_started
|
|
# Returns:
|
|
# $workerlist = list of workers
|
|
# $header = that will fit on the screen
|
|
# $status = message that will fit on the screen
|
|
if($opt::bar) {
|
|
return ("workerlist" => "", "header" => "", "status" => bar());
|
|
}
|
|
my $eta = "";
|
|
my ($status,$header)=("","");
|
|
if($opt::eta) {
|
|
my($total, $completed, $left, $pctcomplete, $avgtime, $this_eta) =
|
|
compute_eta();
|
|
$eta = sprintf("ETA: %ds Left: %d AVG: %.2fs ",
|
|
$this_eta, $left, $avgtime);
|
|
}
|
|
my $termcols = terminal_columns();
|
|
my @workers = sort keys %Global::host;
|
|
my %sshlogin = map { $_ eq ":" ? ($_=>"local") : ($_=>$_) } @workers;
|
|
my $workerno = 1;
|
|
my %workerno = map { ($_=>$workerno++) } @workers;
|
|
my $workerlist = "";
|
|
for my $w (@workers) {
|
|
$workerlist .=
|
|
$workerno{$w}.":".$sshlogin{$w} ." / ".
|
|
($Global::host{$w}->ncpus() || "-")." / ".
|
|
$Global::host{$w}->max_jobs_running()."\n";
|
|
}
|
|
$status = "x"x($termcols+1);
|
|
if(length $status > $termcols) {
|
|
# sshlogin1:XX/XX/XX%/XX.Xs sshlogin2:XX/XX/XX%/XX.Xs sshlogin3:XX/XX/XX%/XX.Xs
|
|
$header = "Computer:jobs running/jobs completed/%of started jobs/Average seconds to complete";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{
|
|
if($Global::total_started) {
|
|
my $completed = ($Global::host{$_}->jobs_completed()||0);
|
|
my $running = $Global::host{$_}->jobs_running();
|
|
my $time = $completed ? (time-$^T)/($completed) : "0";
|
|
sprintf("%s:%d/%d/%d%%/%.1fs ",
|
|
$sshlogin{$_}, $running, $completed,
|
|
($running+$completed)*100
|
|
/ $Global::total_started, $time);
|
|
}
|
|
} @workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# 1:XX/XX/XX%/XX.Xs 2:XX/XX/XX%/XX.Xs 3:XX/XX/XX%/XX.Xs 4:XX/XX/XX%/XX.Xs
|
|
$header = "Computer:jobs running/jobs completed/%of started jobs";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{
|
|
my $completed = ($Global::host{$_}->jobs_completed()||0);
|
|
my $running = $Global::host{$_}->jobs_running();
|
|
my $time = $completed ? (time-$^T)/($completed) : "0";
|
|
sprintf("%s:%d/%d/%d%%/%.1fs ",
|
|
$workerno{$_}, $running, $completed,
|
|
($running+$completed)*100
|
|
/ $Global::total_started, $time);
|
|
} @workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# sshlogin1:XX/XX/XX% sshlogin2:XX/XX/XX% sshlogin3:XX/XX/XX%
|
|
$header = "Computer:jobs running/jobs completed/%of started jobs";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d/%d/%d%%",
|
|
$sshlogin{$_},
|
|
$Global::host{$_}->jobs_running(),
|
|
($Global::host{$_}->jobs_completed()||0),
|
|
($Global::host{$_}->jobs_running()+
|
|
($Global::host{$_}->jobs_completed()||0))*100
|
|
/ $Global::total_started) }
|
|
@workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# 1:XX/XX/XX% 2:XX/XX/XX% 3:XX/XX/XX% 4:XX/XX/XX% 5:XX/XX/XX% 6:XX/XX/XX%
|
|
$header = "Computer:jobs running/jobs completed/%of started jobs";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d/%d/%d%%",
|
|
$workerno{$_},
|
|
$Global::host{$_}->jobs_running(),
|
|
($Global::host{$_}->jobs_completed()||0),
|
|
($Global::host{$_}->jobs_running()+
|
|
($Global::host{$_}->jobs_completed()||0))*100
|
|
/ $Global::total_started) }
|
|
@workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# sshlogin1:XX/XX/XX% sshlogin2:XX/XX/XX% sshlogin3:XX/XX sshlogin4:XX/XX
|
|
$header = "Computer:jobs running/jobs completed";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d/%d",
|
|
$sshlogin{$_}, $Global::host{$_}->jobs_running(),
|
|
($Global::host{$_}->jobs_completed()||0)) }
|
|
@workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# sshlogin1:XX/XX sshlogin2:XX/XX sshlogin3:XX/XX sshlogin4:XX/XX
|
|
$header = "Computer:jobs running/jobs completed";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d/%d",
|
|
$sshlogin{$_}, $Global::host{$_}->jobs_running(),
|
|
($Global::host{$_}->jobs_completed()||0)) }
|
|
@workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# 1:XX/XX 2:XX/XX 3:XX/XX 4:XX/XX 5:XX/XX 6:XX/XX
|
|
$header = "Computer:jobs running/jobs completed";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d/%d",
|
|
$workerno{$_}, $Global::host{$_}->jobs_running(),
|
|
($Global::host{$_}->jobs_completed()||0)) }
|
|
@workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# sshlogin1:XX sshlogin2:XX sshlogin3:XX sshlogin4:XX sshlogin5:XX
|
|
$header = "Computer:jobs completed";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d",
|
|
$sshlogin{$_},
|
|
($Global::host{$_}->jobs_completed()||0)) }
|
|
@workers);
|
|
}
|
|
if(length $status > $termcols) {
|
|
# 1:XX 2:XX 3:XX 4:XX 5:XX 6:XX
|
|
$header = "Computer:jobs completed";
|
|
$status = $eta .
|
|
join(" ",map
|
|
{ sprintf("%s:%d",
|
|
$workerno{$_},
|
|
($Global::host{$_}->jobs_completed()||0)) }
|
|
@workers);
|
|
}
|
|
return ("workerlist" => $workerlist, "header" => $header, "status" => $status);
|
|
}
|
|
|
|
{
|
|
my ($total, $first_completed, $smoothed_avg_time);
|
|
|
|
sub compute_eta {
|
|
# Calculate important numbers for ETA
|
|
# Returns:
|
|
# $total = number of jobs in total
|
|
# $completed = number of jobs completed
|
|
# $left = number of jobs left
|
|
# $pctcomplete = percent of jobs completed
|
|
# $avgtime = averaged time
|
|
# $eta = smoothed eta
|
|
$total ||= $Global::JobQueue->total_jobs();
|
|
my $completed = 0;
|
|
for(values %Global::host) { $completed += $_->jobs_completed() }
|
|
my $left = $total - $completed;
|
|
if(not $completed) {
|
|
return($total, $completed, $left, 0, 0, 0);
|
|
}
|
|
my $pctcomplete = $completed / $total;
|
|
$first_completed ||= time;
|
|
my $timepassed = (time - $first_completed);
|
|
my $avgtime = $timepassed / $completed;
|
|
$smoothed_avg_time ||= $avgtime;
|
|
# Smooth the eta so it does not jump wildly
|
|
$smoothed_avg_time = (1 - $pctcomplete) * $smoothed_avg_time +
|
|
$pctcomplete * $avgtime;
|
|
my $eta = int($left * $smoothed_avg_time);
|
|
return($total, $completed, $left, $pctcomplete, $avgtime, $eta);
|
|
}
|
|
}
|
|
|
|
{
|
|
my ($rev,$reset);
|
|
|
|
sub bar {
|
|
# Return:
|
|
# $status = bar with eta, completed jobs, arg and pct
|
|
$rev ||= "\033[7m";
|
|
$reset ||= "\033[0m";
|
|
my($total, $completed, $left, $pctcomplete, $avgtime, $eta) =
|
|
compute_eta();
|
|
my $arg = $Global::newest_job ?
|
|
$Global::newest_job->{'commandline'}->replace_placeholders(["\257<\257>"],0,0) : "";
|
|
# These chars mess up display in the terminal
|
|
$arg =~ tr/[\011-\016\033\302-\365]//d;
|
|
my $bar_text =
|
|
sprintf("%d%% %d:%d=%ds %s",
|
|
$pctcomplete*100, $completed, $left, $eta, $arg);
|
|
my $terminal_width = terminal_columns();
|
|
my $s = sprintf("%-${terminal_width}s",
|
|
substr($bar_text." "x$terminal_width,
|
|
0,$terminal_width));
|
|
my $width = int($terminal_width * $pctcomplete);
|
|
substr($s,$width,0) = $reset;
|
|
my $zenity = sprintf("%-${terminal_width}s",
|
|
substr("# $eta sec $arg",
|
|
0,$terminal_width));
|
|
$s = "\r" . $zenity . "\r" . $pctcomplete*100 . # Prefix with zenity header
|
|
"\r" . $rev . $s . $reset;
|
|
return $s;
|
|
}
|
|
}
|
|
|
|
{
|
|
my ($columns,$last_column_time);
|
|
|
|
sub terminal_columns {
|
|
# Get the number of columns of the display
|
|
# Returns:
|
|
# number of columns of the screen
|
|
if(not $columns or $last_column_time < time) {
|
|
$last_column_time = time;
|
|
$columns = $ENV{'COLUMNS'};
|
|
if(not $columns) {
|
|
my $resize = qx{ resize 2>/dev/null };
|
|
$resize =~ /COLUMNS=(\d+);/ and do { $columns = $1; };
|
|
}
|
|
$columns ||= 80;
|
|
}
|
|
return $columns;
|
|
}
|
|
}
|
|
|
|
sub get_job_with_sshlogin {
|
|
# Returns:
|
|
# next job object for $sshlogin if any available
|
|
my $sshlogin = shift;
|
|
my $job = undef;
|
|
|
|
if ($opt::hostgroups) {
|
|
my @other_hostgroup_jobs = ();
|
|
|
|
while($job = $Global::JobQueue->get()) {
|
|
if($sshlogin->in_hostgroups($job->hostgroups())) {
|
|
# Found a job for this hostgroup
|
|
last;
|
|
} else {
|
|
# This job was not in the hostgroups of $sshlogin
|
|
push @other_hostgroup_jobs, $job;
|
|
}
|
|
}
|
|
$Global::JobQueue->unget(@other_hostgroup_jobs);
|
|
if(not defined $job) {
|
|
# No more jobs
|
|
return undef;
|
|
}
|
|
} else {
|
|
$job = $Global::JobQueue->get();
|
|
if(not defined $job) {
|
|
# No more jobs
|
|
::debug("start", "No more jobs: JobQueue empty\n");
|
|
return undef;
|
|
}
|
|
}
|
|
|
|
my $clean_command = $job->replaced();
|
|
if($clean_command =~ /^\s*$/) {
|
|
# Do not run empty lines
|
|
if(not $Global::JobQueue->empty()) {
|
|
return get_job_with_sshlogin($sshlogin);
|
|
} else {
|
|
return undef;
|
|
}
|
|
}
|
|
$job->set_sshlogin($sshlogin);
|
|
if($opt::retries and $clean_command and
|
|
$job->failed_here()) {
|
|
# This command with these args failed for this sshlogin
|
|
my ($no_of_failed_sshlogins,$min_failures) = $job->min_failed();
|
|
# Only look at the Global::host that have > 0 jobslots
|
|
if($no_of_failed_sshlogins == grep { $_->max_jobs_running() > 0 } values %Global::host
|
|
and $job->failed_here() == $min_failures) {
|
|
# It failed the same or more times on another host:
|
|
# run it on this host
|
|
} else {
|
|
# If it failed fewer times on another host:
|
|
# Find another job to run
|
|
my $nextjob;
|
|
if(not $Global::JobQueue->empty()) {
|
|
# This can potentially recurse for all args
|
|
no warnings 'recursion';
|
|
$nextjob = get_job_with_sshlogin($sshlogin);
|
|
}
|
|
# Push the command back on the queue
|
|
$Global::JobQueue->unget($job);
|
|
return $nextjob;
|
|
}
|
|
}
|
|
return $job;
|
|
}
|
|
|
|
sub __REMOTE_SSH__ {}
|
|
|
|
sub read_sshloginfiles {
|
|
# Returns: N/A
|
|
for my $s (@_) {
|
|
read_sshloginfile(expand_slf_shorthand($s));
|
|
}
|
|
}
|
|
|
|
sub expand_slf_shorthand {
|
|
my $file = shift;
|
|
if($file eq "-") {
|
|
# skip: It is stdin
|
|
} elsif($file eq "..") {
|
|
$file = $ENV{'HOME'}."/.parallel/sshloginfile";
|
|
} elsif($file eq ".") {
|
|
$file = "/etc/parallel/sshloginfile";
|
|
} elsif(not -r $file) {
|
|
if(not -r $ENV{'HOME'}."/.parallel/".$file) {
|
|
# Try prepending ~/.parallel
|
|
::error("Cannot open $file.\n");
|
|
::wait_and_exit(255);
|
|
} else {
|
|
$file = $ENV{'HOME'}."/.parallel/".$file;
|
|
}
|
|
}
|
|
return $file;
|
|
}
|
|
|
|
sub read_sshloginfile {
|
|
# Returns: N/A
|
|
my $file = shift;
|
|
my $close = 1;
|
|
my $in_fh;
|
|
::debug("init","--slf ",$file);
|
|
if($file eq "-") {
|
|
$in_fh = *STDIN;
|
|
$close = 0;
|
|
} else {
|
|
if(not open($in_fh, "<", $file)) {
|
|
# Try the filename
|
|
::error("Cannot open $file.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
while(<$in_fh>) {
|
|
chomp;
|
|
/^\s*#/ and next;
|
|
/^\s*$/ and next;
|
|
push @Global::sshlogin, $_;
|
|
}
|
|
if($close) {
|
|
close $in_fh;
|
|
}
|
|
}
|
|
|
|
sub parse_sshlogin {
|
|
# Returns: N/A
|
|
my @login;
|
|
if(not @Global::sshlogin) { @Global::sshlogin = (":"); }
|
|
for my $sshlogin (@Global::sshlogin) {
|
|
# Split up -S sshlogin,sshlogin
|
|
for my $s (split /,/, $sshlogin) {
|
|
if ($s eq ".." or $s eq "-") {
|
|
# This may add to @Global::sshlogin - possibly bug
|
|
read_sshloginfile(expand_slf_shorthand($s));
|
|
} else {
|
|
push (@login, $s);
|
|
}
|
|
}
|
|
}
|
|
$Global::minimal_command_line_length = 8_000_000;
|
|
my @allowed_hostgroups;
|
|
for my $ncpu_sshlogin_string (::uniq(@login)) {
|
|
my $sshlogin = SSHLogin->new($ncpu_sshlogin_string);
|
|
my $sshlogin_string = $sshlogin->string();
|
|
if($sshlogin_string eq "") {
|
|
# This is an ssh group: -S @webservers
|
|
push @allowed_hostgroups, $sshlogin->hostgroups();
|
|
next;
|
|
}
|
|
if($Global::host{$sshlogin_string}) {
|
|
# This sshlogin has already been added:
|
|
# It is probably a host that has come back
|
|
# Set the max_jobs_running back to the original
|
|
debug("run","Already seen $sshlogin_string\n");
|
|
if($sshlogin->{'ncpus'}) {
|
|
# If ncpus set by '#/' of the sshlogin, overwrite it:
|
|
$Global::host{$sshlogin_string}->set_ncpus($sshlogin->ncpus());
|
|
}
|
|
$Global::host{$sshlogin_string}->set_max_jobs_running(undef);
|
|
next;
|
|
}
|
|
if($sshlogin_string eq ":") {
|
|
$sshlogin->set_maxlength(Limits::Command::max_length());
|
|
} else {
|
|
# If all chars needs to be quoted, every other character will be \
|
|
$sshlogin->set_maxlength(int(Limits::Command::max_length()/2));
|
|
}
|
|
$Global::minimal_command_line_length =
|
|
::min($Global::minimal_command_line_length, $sshlogin->maxlength());
|
|
$Global::host{$sshlogin_string} = $sshlogin;
|
|
}
|
|
if(@allowed_hostgroups) {
|
|
# Remove hosts that are not in these groups
|
|
while (my ($string, $sshlogin) = each %Global::host) {
|
|
if(not $sshlogin->in_hostgroups(@allowed_hostgroups)) {
|
|
delete $Global::host{$string};
|
|
}
|
|
}
|
|
}
|
|
|
|
# debug("start", "sshlogin: ", my_dump(%Global::host),"\n");
|
|
if($opt::transfer or @opt::return or $opt::cleanup or @opt::basefile) {
|
|
if(not remote_hosts()) {
|
|
# There are no remote hosts
|
|
if(@opt::trc) {
|
|
::warning("--trc ignored as there are no remote --sshlogin.\n");
|
|
} elsif (defined $opt::transfer) {
|
|
::warning("--transfer ignored as there are no remote --sshlogin.\n");
|
|
} elsif (@opt::return) {
|
|
::warning("--return ignored as there are no remote --sshlogin.\n");
|
|
} elsif (defined $opt::cleanup) {
|
|
::warning("--cleanup ignored as there are no remote --sshlogin.\n");
|
|
} elsif (@opt::basefile) {
|
|
::warning("--basefile ignored as there are no remote --sshlogin.\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub remote_hosts {
|
|
# Return sshlogins that are not ':'
|
|
# Returns:
|
|
# list of sshlogins with ':' removed
|
|
return grep !/^:$/, keys %Global::host;
|
|
}
|
|
|
|
sub setup_basefile {
|
|
# Transfer basefiles to each $sshlogin
|
|
# This needs to be done before first jobs on $sshlogin is run
|
|
# Returns: N/A
|
|
my $cmd = "";
|
|
my $rsync_destdir;
|
|
my $workdir;
|
|
for my $sshlogin (values %Global::host) {
|
|
if($sshlogin->string() eq ":") { next }
|
|
for my $file (@opt::basefile) {
|
|
if($file !~ m:^/: and $opt::workdir eq "...") {
|
|
::error("Work dir '...' will not work with relative basefiles\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
$workdir ||= Job->new("")->workdir();
|
|
$cmd .= $sshlogin->rsync_transfer_cmd($file,$workdir) . "&";
|
|
}
|
|
}
|
|
$cmd .= "wait;";
|
|
debug("init", "basesetup: $cmd\n");
|
|
print `$cmd`;
|
|
}
|
|
|
|
sub cleanup_basefile {
|
|
# Remove the basefiles transferred
|
|
# Returns: N/A
|
|
my $cmd="";
|
|
my $workdir = Job->new("")->workdir();
|
|
for my $sshlogin (values %Global::host) {
|
|
if($sshlogin->string() eq ":") { next }
|
|
for my $file (@opt::basefile) {
|
|
$cmd .= $sshlogin->cleanup_cmd($file,$workdir)."&";
|
|
}
|
|
}
|
|
$cmd .= "wait;";
|
|
debug("init", "basecleanup: $cmd\n");
|
|
print `$cmd`;
|
|
}
|
|
|
|
sub filter_hosts {
|
|
my(@cores, @cpus, @maxline, @echo);
|
|
my $envvar = ::shell_quote_scalar($Global::envvar);
|
|
while (my ($host, $sshlogin) = each %Global::host) {
|
|
if($host eq ":") { next }
|
|
# The 'true' is used to get the $host out later
|
|
my $sshcmd = "true $host;" . $sshlogin->sshcommand()." ".$sshlogin->serverlogin();
|
|
push(@cores, $host."\t".$sshcmd." ".$envvar." parallel --number-of-cores\n\0");
|
|
push(@cpus, $host."\t".$sshcmd." ".$envvar." parallel --number-of-cpus\n\0");
|
|
push(@maxline, $host."\t".$sshcmd." ".$envvar." parallel --max-line-length-allowed\n\0");
|
|
# 'echo' is used to get the best possible value for an ssh login time
|
|
push(@echo, $host."\t".$sshcmd." echo\n\0");
|
|
}
|
|
my ($fh, $tmpfile) = ::tmpfile(SUFFIX => ".ssh");
|
|
print $fh @cores, @cpus, @maxline, @echo;
|
|
close $fh;
|
|
# --timeout 5: Setting up an SSH connection and running a simple
|
|
# command should never take > 5 sec.
|
|
# --delay 0.1: If multiple sshlogins use the same proxy the delay
|
|
# will make it less likely to overload the ssh daemon.
|
|
# --retries 3: If the ssh daemon it overloaded, try 3 times
|
|
# -s 16000: Half of the max line on UnixWare
|
|
my $cmd = "cat $tmpfile | $0 -j0 --timeout 5 -s 16000 --joblog - --plain --delay 0.1 --retries 3 --tag --tagstring {1} -0 --colsep '\t' -k eval {2} 2>/dev/null";
|
|
::debug("init", $cmd, "\n");
|
|
open(my $host_fh, "-|", $cmd) || ::die_bug("parallel host check: $cmd");
|
|
my (%ncores, %ncpus, %time_to_login, %maxlen, %echo, @down_hosts);
|
|
my $prepend = "";
|
|
while(<$host_fh>) {
|
|
if(/\'$/) {
|
|
# if last char = ' then append next line
|
|
# This may be due to quoting of $Global::envvar
|
|
$prepend .= $_;
|
|
next;
|
|
}
|
|
$_ = $prepend . $_;
|
|
$prepend = "";
|
|
chomp;
|
|
my @col = split /\t/, $_;
|
|
if(defined $col[6]) {
|
|
# This is a line from --joblog
|
|
# seq host time spent sent received exit signal command
|
|
# 2 : 1372607672.654 0.675 0 0 0 0 eval true\ m\;ssh\ m\ parallel\ --number-of-cores
|
|
if($col[0] eq "Seq" and $col[1] eq "Host" and
|
|
$col[2] eq "Starttime") {
|
|
# Header => skip
|
|
next;
|
|
}
|
|
# Get server from: eval true server\;
|
|
$col[8] =~ /eval true..([^;]+).;/ or ::die_bug("col8 does not contain host: $col[8]");
|
|
my $host = $1;
|
|
$host =~ tr/\\//d;
|
|
$Global::host{$host} or next;
|
|
if($col[6] eq "255" or $col[7] eq "15") {
|
|
# exit == 255 or signal == 15: ssh failed
|
|
# Remove sshlogin
|
|
::debug("init", "--filtered $host\n");
|
|
push(@down_hosts, $host);
|
|
@down_hosts = uniq(@down_hosts);
|
|
} elsif($col[6] eq "127") {
|
|
# signal == 127: parallel not installed remote
|
|
# Set ncpus and ncores = 1
|
|
::warning("Could not figure out ",
|
|
"number of cpus on $host. Using 1.\n");
|
|
$ncores{$host} = 1;
|
|
$ncpus{$host} = 1;
|
|
$maxlen{$host} = Limits::Command::max_length();
|
|
} elsif($col[0] =~ /^\d+$/ and $Global::host{$host}) {
|
|
# Remember how log it took to log in
|
|
# 2 : 1372607672.654 0.675 0 0 0 0 eval true\ m\;ssh\ m\ echo
|
|
$time_to_login{$host} = ::min($time_to_login{$host},$col[3]);
|
|
} else {
|
|
::die_bug("host check unmatched long jobline: $_");
|
|
}
|
|
} elsif($Global::host{$col[0]}) {
|
|
# This output from --number-of-cores, --number-of-cpus,
|
|
# --max-line-length-allowed
|
|
# ncores: server 8
|
|
# ncpus: server 2
|
|
# maxlen: server 131071
|
|
if(not $ncores{$col[0]}) {
|
|
$ncores{$col[0]} = $col[1];
|
|
} elsif(not $ncpus{$col[0]}) {
|
|
$ncpus{$col[0]} = $col[1];
|
|
} elsif(not $maxlen{$col[0]}) {
|
|
$maxlen{$col[0]} = $col[1];
|
|
} elsif(not $echo{$col[0]}) {
|
|
$echo{$col[0]} = $col[1];
|
|
} elsif(m/perl: warning:|LANGUAGE =|LC_ALL =|LANG =|are supported and installed/) {
|
|
# Skip these:
|
|
# perl: warning: Setting locale failed.
|
|
# perl: warning: Please check that your locale settings:
|
|
# LANGUAGE = (unset),
|
|
# LC_ALL = (unset),
|
|
# LANG = "en_US.UTF-8"
|
|
# are supported and installed on your system.
|
|
# perl: warning: Falling back to the standard locale ("C").
|
|
} else {
|
|
::die_bug("host check too many col0: $_");
|
|
}
|
|
} else {
|
|
::die_bug("host check unmatched short jobline ($col[0]): $_");
|
|
}
|
|
}
|
|
close $host_fh;
|
|
$Global::debug or unlink $tmpfile;
|
|
delete @Global::host{@down_hosts};
|
|
@down_hosts and ::warning("Removed @down_hosts\n");
|
|
$Global::minimal_command_line_length = 8_000_000;
|
|
while (my ($sshlogin, $obj) = each %Global::host) {
|
|
if($sshlogin eq ":") { next }
|
|
$ncpus{$sshlogin} or ::die_bug("ncpus missing: ".$obj->serverlogin());
|
|
$ncores{$sshlogin} or ::die_bug("ncores missing: ".$obj->serverlogin());
|
|
$time_to_login{$sshlogin} or ::die_bug("time_to_login missing: ".$obj->serverlogin());
|
|
$maxlen{$sshlogin} or ::die_bug("maxlen missing: ".$obj->serverlogin());
|
|
if($opt::use_cpus_instead_of_cores) {
|
|
$obj->set_ncpus($ncpus{$sshlogin});
|
|
} else {
|
|
$obj->set_ncpus($ncores{$sshlogin});
|
|
}
|
|
$obj->set_time_to_login($time_to_login{$sshlogin});
|
|
$obj->set_maxlength($maxlen{$sshlogin});
|
|
$Global::minimal_command_line_length =
|
|
::min($Global::minimal_command_line_length,
|
|
int($maxlen{$sshlogin}/2));
|
|
::debug("init", "Timing from -S:$sshlogin ncpus:",$ncpus{$sshlogin},
|
|
" ncores:", $ncores{$sshlogin},
|
|
" time_to_login:", $time_to_login{$sshlogin},
|
|
" maxlen:", $maxlen{$sshlogin},
|
|
" min_max_len:", $Global::minimal_command_line_length,"\n");
|
|
}
|
|
}
|
|
|
|
sub onall {
|
|
sub tmp_joblog {
|
|
my $joblog = shift;
|
|
if(not defined $joblog) {
|
|
return undef;
|
|
}
|
|
my ($fh, $tmpfile) = ::tmpfile(SUFFIX => ".log");
|
|
close $fh;
|
|
return $tmpfile;
|
|
}
|
|
my @command = @_;
|
|
if($Global::quoting) {
|
|
@command = shell_quote_empty(@command);
|
|
}
|
|
|
|
# Copy all @fhlist into tempfiles
|
|
my @argfiles = ();
|
|
for my $fh (@fhlist) {
|
|
my ($outfh, $name) = ::tmpfile(SUFFIX => ".all", UNLINK => 1);
|
|
print $outfh (<$fh>);
|
|
close $outfh;
|
|
push @argfiles, $name;
|
|
}
|
|
if(@opt::basefile) { setup_basefile(); }
|
|
# for each sshlogin do:
|
|
# parallel -S $sshlogin $command :::: @argfiles
|
|
#
|
|
# Pass some of the options to the sub-parallels, not all of them as
|
|
# -P should only go to the first, and -S should not be copied at all.
|
|
my $options =
|
|
join(" ",
|
|
((defined $opt::jobs) ? "-P $opt::jobs" : ""),
|
|
((defined $opt::linebuffer) ? "--linebuffer" : ""),
|
|
((defined $opt::ungroup) ? "-u" : ""),
|
|
((defined $opt::group) ? "-g" : ""),
|
|
((defined $opt::keeporder) ? "--keeporder" : ""),
|
|
((defined $opt::D) ? "-D $opt::D" : ""),
|
|
((defined $opt::plain) ? "--plain" : ""),
|
|
((defined $opt::max_chars) ? "--max-chars ".$opt::max_chars : ""),
|
|
);
|
|
my $suboptions =
|
|
join(" ",
|
|
((defined $opt::ungroup) ? "-u" : ""),
|
|
((defined $opt::linebuffer) ? "--linebuffer" : ""),
|
|
((defined $opt::group) ? "-g" : ""),
|
|
((defined $opt::files) ? "--files" : ""),
|
|
((defined $opt::keeporder) ? "--keeporder" : ""),
|
|
((defined $opt::colsep) ? "--colsep ".shell_quote($opt::colsep) : ""),
|
|
((@opt::v) ? "-vv" : ""),
|
|
((defined $opt::D) ? "-D $opt::D" : ""),
|
|
((defined $opt::timeout) ? "--timeout ".$opt::timeout : ""),
|
|
((defined $opt::plain) ? "--plain" : ""),
|
|
((defined $opt::retries) ? "--retries ".$opt::retries : ""),
|
|
((defined $opt::max_chars) ? "--max-chars ".$opt::max_chars : ""),
|
|
((defined $opt::arg_sep) ? "--arg-sep ".$opt::arg_sep : ""),
|
|
((defined $opt::arg_file_sep) ? "--arg-file-sep ".$opt::arg_file_sep : ""),
|
|
(@opt::env ? map { "--env ".::shell_quote_scalar($_) } @opt::env : ""),
|
|
);
|
|
::debug("init", "| $0 $options\n");
|
|
open(my $parallel_fh, "|-", "$0 --no-notice -j0 $options") ||
|
|
::die_bug("This does not run GNU Parallel: $0 $options");
|
|
my @joblogs;
|
|
for my $host (sort keys %Global::host) {
|
|
my $sshlogin = $Global::host{$host};
|
|
my $joblog = tmp_joblog($opt::joblog);
|
|
if($joblog) {
|
|
push @joblogs, $joblog;
|
|
$joblog = "--joblog $joblog";
|
|
}
|
|
my $quad = $opt::arg_file_sep || "::::";
|
|
::debug("init", "$0 $suboptions -j1 $joblog ",
|
|
((defined $opt::tag) ?
|
|
"--tagstring ".shell_quote_scalar($sshlogin->string()) : ""),
|
|
" -S ", shell_quote_scalar($sshlogin->string())," ",
|
|
join(" ",shell_quote(@command))," $quad @argfiles\n");
|
|
print $parallel_fh "$0 $suboptions -j1 $joblog ",
|
|
((defined $opt::tag) ?
|
|
"--tagstring ".shell_quote_scalar($sshlogin->string()) : ""),
|
|
" -S ", shell_quote_scalar($sshlogin->string())," ",
|
|
join(" ",shell_quote(@command))," $quad @argfiles\n";
|
|
}
|
|
close $parallel_fh;
|
|
$Global::exitstatus = $? >> 8;
|
|
debug("init", "--onall exitvalue ", $?);
|
|
if(@opt::basefile) { cleanup_basefile(); }
|
|
$Global::debug or unlink(@argfiles);
|
|
my %seen;
|
|
for my $joblog (@joblogs) {
|
|
# Append to $joblog
|
|
open(my $fh, "<", $joblog) || ::die_bug("Cannot open tmp joblog $joblog");
|
|
# Skip first line (header);
|
|
<$fh>;
|
|
print $Global::joblog (<$fh>);
|
|
close $fh;
|
|
unlink($joblog);
|
|
}
|
|
}
|
|
|
|
sub __SIGNAL_HANDLING__ {}
|
|
|
|
sub save_original_signal_handler {
|
|
# Remember the original signal handler
|
|
# Returns: N/A
|
|
$SIG{TERM} ||= sub { exit 0; }; # $SIG{TERM} is not set on Mac OS X
|
|
$SIG{INT} = sub { if($opt::tmux) { qx { tmux kill-session -t p$$ }; }
|
|
unlink keys %Global::unlink; exit -1 };
|
|
$SIG{TERM} = sub { if($opt::tmux) { qx { tmux kill-session -t p$$ }; }
|
|
unlink keys %Global::unlink; exit -1 };
|
|
%Global::original_sig = %SIG;
|
|
$SIG{TERM} = sub {}; # Dummy until jobs really start
|
|
}
|
|
|
|
sub list_running_jobs {
|
|
# Returns: N/A
|
|
for my $v (values %Global::running) {
|
|
print $Global::original_stderr "$Global::progname: ",$v->replaced(),"\n";
|
|
}
|
|
}
|
|
|
|
sub start_no_new_jobs {
|
|
# Returns: N/A
|
|
$SIG{TERM} = $Global::original_sig{TERM};
|
|
print $Global::original_stderr
|
|
("$Global::progname: SIGTERM received. No new jobs will be started.\n",
|
|
"$Global::progname: Waiting for these ", scalar(keys %Global::running),
|
|
" jobs to finish. Send SIGTERM again to stop now.\n");
|
|
list_running_jobs();
|
|
$Global::start_no_new_jobs ||= 1;
|
|
}
|
|
|
|
sub reaper {
|
|
# A job finished.
|
|
# Print the output.
|
|
# Start another job
|
|
# Returns: N/A
|
|
my $stiff;
|
|
my $children_reaped = 0;
|
|
debug("run", "Reaper ");
|
|
while (($stiff = waitpid(-1, &WNOHANG)) > 0) {
|
|
$children_reaped++;
|
|
if($Global::sshmaster{$stiff}) {
|
|
# This is one of the ssh -M: ignore
|
|
next;
|
|
}
|
|
my $job = $Global::running{$stiff};
|
|
# '-a <(seq 10)' will give us a pid not in %Global::running
|
|
$job or next;
|
|
$job->set_exitstatus($? >> 8);
|
|
$job->set_exitsignal($? & 127);
|
|
debug("run", "died (", $job->exitstatus(), "): ", $job->seq());
|
|
$job->set_endtime(::now());
|
|
if($stiff == $Global::tty_taken) {
|
|
# The process that died had the tty => release it
|
|
$Global::tty_taken = 0;
|
|
}
|
|
|
|
if(not $job->should_be_retried()) {
|
|
# The job is done
|
|
# Free the jobslot
|
|
push @Global::slots, $job->slot();
|
|
if($opt::timeout) {
|
|
# Update average runtime for timeout
|
|
$Global::timeoutq->update_delta_time($job->runtime());
|
|
}
|
|
# Force printing now if the job failed and we are going to exit
|
|
my $print_now = ($opt::halt_on_error and $opt::halt_on_error == 2
|
|
and $job->exitstatus());
|
|
if($opt::keeporder and not $print_now) {
|
|
print_earlier_jobs($job);
|
|
} else {
|
|
$job->print();
|
|
}
|
|
if($job->exitstatus()) {
|
|
process_failed_job($job);
|
|
}
|
|
|
|
}
|
|
my $sshlogin = $job->sshlogin();
|
|
$sshlogin->dec_jobs_running();
|
|
$sshlogin->inc_jobs_completed();
|
|
$Global::total_running--;
|
|
delete $Global::running{$stiff};
|
|
start_more_jobs();
|
|
}
|
|
debug("run", "done ");
|
|
return $children_reaped;
|
|
}
|
|
|
|
sub process_failed_job {
|
|
# The jobs had a exit status <> 0, so error
|
|
# Returns: N/A
|
|
my $job = shift;
|
|
$Global::exitstatus++;
|
|
$Global::total_failed++;
|
|
if($opt::halt_on_error) {
|
|
if($opt::halt_on_error == 1
|
|
or
|
|
($opt::halt_on_error < 1 and $Global::total_failed > 3
|
|
and
|
|
$Global::total_failed / $Global::total_started > $opt::halt_on_error)) {
|
|
# If halt on error == 1 or --halt 10%
|
|
# we should gracefully exit
|
|
print $Global::original_stderr
|
|
("$Global::progname: Starting no more jobs. ",
|
|
"Waiting for ", scalar(keys %Global::running),
|
|
" jobs to finish. This job failed:\n",
|
|
$job->replaced(),"\n");
|
|
$Global::start_no_new_jobs ||= 1;
|
|
$Global::halt_on_error_exitstatus = $job->exitstatus();
|
|
} elsif($opt::halt_on_error == 2) {
|
|
# If halt on error == 2 we should exit immediately
|
|
print $Global::original_stderr
|
|
("$Global::progname: This job failed:\n",
|
|
$job->replaced(),"\n");
|
|
exit ($job->exitstatus());
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
my (%print_later,$job_end_sequence);
|
|
|
|
sub print_earlier_jobs {
|
|
# Print jobs completed earlier
|
|
# Returns: N/A
|
|
my $job = shift;
|
|
$print_later{$job->seq()} = $job;
|
|
$job_end_sequence ||= 1;
|
|
debug("run", "Looking for: $job_end_sequence ",
|
|
"Current: ", $job->seq(), "\n");
|
|
for(my $j = $print_later{$job_end_sequence};
|
|
$j or vec($Global::job_already_run,$job_end_sequence,1);
|
|
$job_end_sequence++,
|
|
$j = $print_later{$job_end_sequence}) {
|
|
debug("run", "Found job end $job_end_sequence");
|
|
if($j) {
|
|
$j->print();
|
|
delete $print_later{$job_end_sequence};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub __USAGE__ {}
|
|
|
|
sub wait_and_exit {
|
|
# If we do not wait, we sometimes get segfault
|
|
# Returns: N/A
|
|
my $error = shift;
|
|
if($error) {
|
|
# Kill all without printing
|
|
for my $job (values %Global::running) {
|
|
$job->kill("TERM");
|
|
$job->kill("TERM");
|
|
}
|
|
}
|
|
for (keys %Global::unkilled_children) {
|
|
kill 9, $_;
|
|
waitpid($_,0);
|
|
delete $Global::unkilled_children{$_};
|
|
}
|
|
wait();
|
|
exit($error);
|
|
}
|
|
|
|
sub die_usage {
|
|
# Returns: N/A
|
|
usage();
|
|
wait_and_exit(255);
|
|
}
|
|
|
|
sub usage {
|
|
# Returns: N/A
|
|
print join
|
|
("\n",
|
|
"Usage:",
|
|
"",
|
|
"$Global::progname [options] [command [arguments]] < list_of_arguments",
|
|
"$Global::progname [options] [command [arguments]] (::: arguments|:::: argfile(s))...",
|
|
"cat ... | $Global::progname --pipe [options] [command [arguments]]",
|
|
"",
|
|
"-j n Run n jobs in parallel",
|
|
"-k Keep same order",
|
|
"-X Multiple arguments with context replace",
|
|
"--colsep regexp Split input on regexp for positional replacements",
|
|
"{} {.} {/} {/.} {#} {%} {= perl code =} Replacement strings",
|
|
"{3} {3.} {3/} {3/.} {=3 perl code =} Positional replacement strings",
|
|
"With --plus: {} = {+/}/{/} = {.}.{+.} = {+/}/{/.}.{+.} = {..}.{+..} =",
|
|
" {+/}/{/..}.{+..} = {...}.{+...} = {+/}/{/...}.{+...}",
|
|
"",
|
|
"-S sshlogin Example: foo\@server.example.com",
|
|
"--slf .. Use ~/.parallel/sshloginfile as the list of sshlogins",
|
|
"--trc {}.bar Shorthand for --transfer --return {}.bar --cleanup",
|
|
"--onall Run the given command with argument on all sshlogins",
|
|
"--nonall Run the given command with no arguments on all sshlogins",
|
|
"",
|
|
"--pipe Split stdin (standard input) to multiple jobs.",
|
|
"--recend str Record end separator for --pipe.",
|
|
"--recstart str Record start separator for --pipe.",
|
|
"",
|
|
"See 'man $Global::progname' for details",
|
|
"",
|
|
"When using programs that use GNU Parallel to process data for publication please cite:",
|
|
"",
|
|
"O. Tange (2011): GNU Parallel - The Command-Line Power Tool,",
|
|
";login: The USENIX Magazine, February 2011:42-47.",
|
|
"",
|
|
"Or you can get GNU Parallel without this requirement by paying 10000 EUR.",
|
|
"");
|
|
}
|
|
|
|
|
|
sub citation_notice {
|
|
# if --no-notice or --plain: do nothing
|
|
# if stderr redirected: do nothing
|
|
# if ~/.parallel/will-cite: do nothing
|
|
# else: print citation notice to stderr
|
|
if($opt::no_notice
|
|
or
|
|
$opt::plain
|
|
or
|
|
not -t $Global::original_stderr
|
|
or
|
|
-e $ENV{'HOME'}."/.parallel/will-cite") {
|
|
# skip
|
|
} else {
|
|
print $Global::original_stderr
|
|
("When using programs that use GNU Parallel to process data for publication please cite:\n",
|
|
"\n",
|
|
" O. Tange (2011): GNU Parallel - The Command-Line Power Tool,\n",
|
|
" ;login: The USENIX Magazine, February 2011:42-47.\n",
|
|
"\n",
|
|
"This helps funding further development; and it won't cost you a cent.\n",
|
|
"Or you can get GNU Parallel without this requirement by paying 10000 EUR.\n",
|
|
"\n",
|
|
"To silence this citation notice run 'parallel --bibtex' once or use '--no-notice'.\n\n",
|
|
);
|
|
flush $Global::original_stderr;
|
|
}
|
|
}
|
|
|
|
|
|
sub warning {
|
|
my @w = @_;
|
|
my $fh = $Global::original_stderr || *STDERR;
|
|
my $prog = $Global::progname || "parallel";
|
|
print $fh $prog, ": Warning: ", @w;
|
|
}
|
|
|
|
|
|
sub error {
|
|
my @w = @_;
|
|
my $fh = $Global::original_stderr || *STDERR;
|
|
my $prog = $Global::progname || "parallel";
|
|
print $fh $prog, ": Error: ", @w;
|
|
}
|
|
|
|
|
|
sub die_bug {
|
|
my $bugid = shift;
|
|
print STDERR
|
|
("$Global::progname: This should not happen. You have found a bug.\n",
|
|
"Please contact <parallel\@gnu.org> and include:\n",
|
|
"* The version number: $Global::version\n",
|
|
"* The bugid: $bugid\n",
|
|
"* The command line being run\n",
|
|
"* The files being read (put the files on a webserver if they are big)\n",
|
|
"\n",
|
|
"If you get the error on smaller/fewer files, please include those instead.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
|
|
sub version {
|
|
# Returns: N/A
|
|
if($opt::tollef and not $opt::gnu) {
|
|
print "WARNING: YOU ARE USING --tollef. IF THINGS ARE ACTING WEIRD USE --gnu.\n";
|
|
}
|
|
print join("\n",
|
|
"GNU $Global::progname $Global::version",
|
|
"Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014 Ole Tange and Free Software Foundation, Inc.",
|
|
"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>",
|
|
"This is free software: you are free to change and redistribute it.",
|
|
"GNU $Global::progname comes with no warranty.",
|
|
"",
|
|
"Web site: http://www.gnu.org/software/${Global::progname}\n",
|
|
"When using programs that use GNU Parallel to process data for publication please cite:\n",
|
|
"O. Tange (2011): GNU Parallel - The Command-Line Power Tool, ",
|
|
";login: The USENIX Magazine, February 2011:42-47.\n",
|
|
"Or you can get GNU Parallel without this requirement by paying 10000 EUR.\n",
|
|
);
|
|
}
|
|
|
|
sub bibtex {
|
|
# Returns: N/A
|
|
if($opt::tollef and not $opt::gnu) {
|
|
print "WARNING: YOU ARE USING --tollef. IF THINGS ARE ACTING WEIRD USE --gnu.\n";
|
|
}
|
|
print join("\n",
|
|
"When using programs that use GNU Parallel to process data for publication please cite:",
|
|
"",
|
|
"\@article{Tange2011a,",
|
|
" title = {GNU Parallel - The Command-Line Power Tool},",
|
|
" author = {O. Tange},",
|
|
" address = {Frederiksberg, Denmark},",
|
|
" journal = {;login: The USENIX Magazine},",
|
|
" month = {Feb},",
|
|
" number = {1},",
|
|
" volume = {36},",
|
|
" url = {http://www.gnu.org/s/parallel},",
|
|
" year = {2011},",
|
|
" pages = {42-47}",
|
|
"}",
|
|
"",
|
|
"(Feel free to use \\nocite{Tange2011a})",
|
|
"",
|
|
"This helps funding further development.",
|
|
"",
|
|
"Or you can get GNU Parallel without this requirement by paying 10000 EUR.",
|
|
""
|
|
);
|
|
while(not -e $ENV{'HOME'}."/.parallel/will-cite") {
|
|
print "\nType: 'will cite' and press enter.\n> ";
|
|
my $input = <STDIN>;
|
|
if($input =~ /will cite/i) {
|
|
mkdir $ENV{'HOME'}."/.parallel";
|
|
open (my $fh, ">", $ENV{'HOME'}."/.parallel/will-cite")
|
|
|| ::die_bug("Cannot write: ".$ENV{'HOME'}."/.parallel/will-cite");
|
|
close $fh;
|
|
print "\nThank you for your support. It is much appreciated. The citation\n",
|
|
"notice is now silenced.\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
sub show_limits {
|
|
# Returns: N/A
|
|
print("Maximal size of command: ",Limits::Command::real_max_length(),"\n",
|
|
"Maximal used size of command: ",Limits::Command::max_length(),"\n",
|
|
"\n",
|
|
"Execution of will continue now, and it will try to read its input\n",
|
|
"and run commands; if this is not what you wanted to happen, please\n",
|
|
"press CTRL-D or CTRL-C\n");
|
|
}
|
|
|
|
sub __GENERIC_COMMON_FUNCTION__ {}
|
|
|
|
sub uniq {
|
|
# Remove duplicates and return unique values
|
|
return keys %{{ map { $_ => 1 } @_ }};
|
|
}
|
|
|
|
sub min {
|
|
# Returns:
|
|
# Minimum value of array
|
|
my $min;
|
|
for (@_) {
|
|
# Skip undefs
|
|
defined $_ or next;
|
|
defined $min or do { $min = $_; next; }; # Set $_ to the first non-undef
|
|
$min = ($min < $_) ? $min : $_;
|
|
}
|
|
return $min;
|
|
}
|
|
|
|
sub max {
|
|
# Returns:
|
|
# Maximum value of array
|
|
my $max;
|
|
for (@_) {
|
|
# Skip undefs
|
|
defined $_ or next;
|
|
defined $max or do { $max = $_; next; }; # Set $_ to the first non-undef
|
|
$max = ($max > $_) ? $max : $_;
|
|
}
|
|
return $max;
|
|
}
|
|
|
|
sub sum {
|
|
# Returns:
|
|
# Sum of values of array
|
|
my @args = @_;
|
|
my $sum = 0;
|
|
for (@args) {
|
|
# Skip undefs
|
|
$_ and do { $sum += $_; }
|
|
}
|
|
return $sum;
|
|
}
|
|
|
|
sub undef_as_zero {
|
|
my $a = shift;
|
|
return $a ? $a : 0;
|
|
}
|
|
|
|
sub undef_as_empty {
|
|
my $a = shift;
|
|
return $a ? $a : "";
|
|
}
|
|
|
|
{
|
|
my $hostname;
|
|
sub hostname {
|
|
if(not $hostname) {
|
|
$hostname = `hostname`;
|
|
chomp($hostname);
|
|
$hostname ||= "nohostname";
|
|
}
|
|
return $hostname;
|
|
}
|
|
}
|
|
|
|
sub which {
|
|
# Input:
|
|
# @programs = programs to find the path to
|
|
# Returns:
|
|
# @full_path = full paths to @programs. Nothing if not found
|
|
my @which;
|
|
for my $prg (@_) {
|
|
push @which, map { $_."/".$prg } grep { -x $_."/".$prg } split(":",$ENV{'PATH'});
|
|
}
|
|
return @which;
|
|
}
|
|
|
|
{
|
|
my ($regexp,%fakename);
|
|
|
|
sub parent_shell {
|
|
# Input:
|
|
# $pid = pid to see if (grand)*parent is a shell
|
|
# Returns:
|
|
# $shellpath = path to shell - undef if no shell found
|
|
my $pid = shift;
|
|
if(not $regexp) {
|
|
# All shells known to mankind
|
|
#
|
|
# ash bash csh dash fdsh fish fizsh ksh ksh93 mksh pdksh
|
|
# posh rbash rush rzsh sash sh static-sh tcsh yash zsh
|
|
my @shells = qw(ash bash csh dash fdsh fish fizsh ksh
|
|
ksh93 mksh pdksh posh rbash rush rzsh
|
|
sash sh static-sh tcsh yash zsh -sh -csh);
|
|
# Can be formatted as:
|
|
# [sh] -sh sh busybox sh
|
|
# /bin/sh /sbin/sh /opt/csw/sh
|
|
# NOT: foo.sh sshd crash flush pdflush scosh fsflush ssh
|
|
my $shell = "(?:".join("|",@shells).")";
|
|
$regexp = '^((\[)('. $shell. ')(\])|(|\S+/|busybox )('. $shell. '))($| )';
|
|
%fakename = (
|
|
# csh and tcsh disguise themselves as -sh/-csh
|
|
"-sh" => ["csh", "tcsh"],
|
|
"-csh" => ["tcsh", "csh"],
|
|
);
|
|
}
|
|
my ($children_of_ref, $parent_of_ref, $name_of_ref) = pid_table();
|
|
my $shellpath;
|
|
my $testpid = $pid;
|
|
while($testpid) {
|
|
::debug("init", "shell? ". $name_of_ref->{$testpid}."\n");
|
|
if($name_of_ref->{$testpid} =~ /$regexp/o) {
|
|
::debug("init", "which ".($3||$6)." => ");
|
|
$shellpath = (which($3 || $6,@{$fakename{$3 || $6}}))[0];
|
|
::debug("init", "shell path $shellpath\n");
|
|
$shellpath and last;
|
|
}
|
|
$testpid = $parent_of_ref->{$testpid};
|
|
}
|
|
return $shellpath;
|
|
}
|
|
}
|
|
|
|
{
|
|
my %pid_parentpid_cmd;
|
|
|
|
sub pid_table {
|
|
# Returns:
|
|
# %children_of = { pid -> children of pid }
|
|
# %parent_of = { pid -> pid of parent }
|
|
# %name_of = { pid -> commandname }
|
|
|
|
if(not %pid_parentpid_cmd) {
|
|
# Filter for SysV-style `ps`
|
|
my $sysv = q( ps -ef | perl -ane '1..1 and /^(.*)CO?MM?A?N?D/ and $s=length $1;).
|
|
q(s/^.{$s}//; print "@F[1,2] $_"' );
|
|
# BSD-style `ps`
|
|
my $bsd = q(ps -o pid,ppid,command -ax);
|
|
%pid_parentpid_cmd =
|
|
(
|
|
'aix' => $sysv,
|
|
'cygwin' => $sysv,
|
|
'msys' => $sysv,
|
|
'dec_osf' => $sysv,
|
|
'darwin' => $bsd,
|
|
'dragonfly' => $bsd,
|
|
'freebsd' => $bsd,
|
|
'gnu' => $sysv,
|
|
'hpux' => $sysv,
|
|
'linux' => $sysv,
|
|
'mirbsd' => $bsd,
|
|
'netbsd' => $bsd,
|
|
'nto' => $sysv,
|
|
'openbsd' => $bsd,
|
|
'solaris' => $sysv,
|
|
'svr5' => $sysv,
|
|
);
|
|
}
|
|
$pid_parentpid_cmd{$^O} or ::die_bug("pid_parentpid_cmd for $^O missing");
|
|
|
|
my (@pidtable,%parent_of,%children_of,%name_of);
|
|
# Table with pid -> children of pid
|
|
@pidtable = `$pid_parentpid_cmd{$^O}`;
|
|
my $p=$$;
|
|
for (@pidtable) {
|
|
# must match: 24436 21224 busybox ash
|
|
/(\S+)\s+(\S+)\s+(\S+.*)/ or ::die_bug("pidtable format: $_");
|
|
$parent_of{$1} = $2;
|
|
push @{$children_of{$2}}, $1;
|
|
$name_of{$1} = $3;
|
|
}
|
|
return(\%children_of, \%parent_of, \%name_of);
|
|
}
|
|
}
|
|
|
|
sub reap_usleep {
|
|
# Reap dead children.
|
|
# If no dead children: Sleep specified amount with exponential backoff
|
|
# Input:
|
|
# $ms = milliseconds to sleep
|
|
# Returns:
|
|
# $ms/2+0.001 if children reaped
|
|
# $ms*1.1 if no children reaped
|
|
my $ms = shift;
|
|
if(reaper()) {
|
|
# Sleep exponentially shorter (1/2^n) if a job finished
|
|
return $ms/2+0.001;
|
|
} else {
|
|
if($opt::timeout) {
|
|
$Global::timeoutq->process_timeouts();
|
|
}
|
|
usleep($ms);
|
|
Job::exit_if_disk_full();
|
|
if($opt::linebuffer) {
|
|
for my $job (values %Global::running) {
|
|
$job->print();
|
|
}
|
|
}
|
|
# Sleep exponentially longer (1.1^n) if a job did not finish
|
|
# though at most 1000 ms.
|
|
return (($ms < 1000) ? ($ms * 1.1) : ($ms));
|
|
}
|
|
}
|
|
|
|
sub usleep {
|
|
# Sleep this many milliseconds.
|
|
# Input:
|
|
# $ms = milliseconds to sleep
|
|
my $ms = shift;
|
|
::debug(int($ms),"ms ");
|
|
select(undef, undef, undef, $ms/1000);
|
|
}
|
|
|
|
sub now {
|
|
# Returns time since epoch as in seconds with 3 decimals
|
|
# Uses:
|
|
# @Global::use
|
|
# Returns:
|
|
# $time = time now with millisecond accuracy
|
|
if(not $Global::use{"Time::HiRes"}) {
|
|
if(eval "use Time::HiRes qw ( time );") {
|
|
eval "sub TimeHiRestime { return Time::HiRes::time };";
|
|
} else {
|
|
eval "sub TimeHiRestime { return time() };";
|
|
}
|
|
$Global::use{"Time::HiRes"} = 1;
|
|
}
|
|
|
|
return (int(TimeHiRestime()*1000))/1000;
|
|
}
|
|
|
|
sub multiply_binary_prefix {
|
|
# Evalualte numbers with binary prefix
|
|
# Ki=2^10, Mi=2^20, Gi=2^30, Ti=2^40, Pi=2^50, Ei=2^70, Zi=2^80, Yi=2^80
|
|
# ki=2^10, mi=2^20, gi=2^30, ti=2^40, pi=2^50, ei=2^70, zi=2^80, yi=2^80
|
|
# K =2^10, M =2^20, G =2^30, T =2^40, P =2^50, E =2^70, Z =2^80, Y =2^80
|
|
# k =10^3, m =10^6, g =10^9, t=10^12, p=10^15, e=10^18, z=10^21, y=10^24
|
|
# 13G = 13*1024*1024*1024 = 13958643712
|
|
# Input:
|
|
# $s = string with prefixes
|
|
# Returns:
|
|
# $value = int with prefixes multiplied
|
|
my $s = shift;
|
|
$s =~ s/ki/*1024/gi;
|
|
$s =~ s/mi/*1024*1024/gi;
|
|
$s =~ s/gi/*1024*1024*1024/gi;
|
|
$s =~ s/ti/*1024*1024*1024*1024/gi;
|
|
$s =~ s/pi/*1024*1024*1024*1024*1024/gi;
|
|
$s =~ s/ei/*1024*1024*1024*1024*1024*1024/gi;
|
|
$s =~ s/zi/*1024*1024*1024*1024*1024*1024*1024/gi;
|
|
$s =~ s/yi/*1024*1024*1024*1024*1024*1024*1024*1024/gi;
|
|
$s =~ s/xi/*1024*1024*1024*1024*1024*1024*1024*1024*1024/gi;
|
|
|
|
$s =~ s/K/*1024/g;
|
|
$s =~ s/M/*1024*1024/g;
|
|
$s =~ s/G/*1024*1024*1024/g;
|
|
$s =~ s/T/*1024*1024*1024*1024/g;
|
|
$s =~ s/P/*1024*1024*1024*1024*1024/g;
|
|
$s =~ s/E/*1024*1024*1024*1024*1024*1024/g;
|
|
$s =~ s/Z/*1024*1024*1024*1024*1024*1024*1024/g;
|
|
$s =~ s/Y/*1024*1024*1024*1024*1024*1024*1024*1024/g;
|
|
$s =~ s/X/*1024*1024*1024*1024*1024*1024*1024*1024*1024/g;
|
|
|
|
$s =~ s/k/*1000/g;
|
|
$s =~ s/m/*1000*1000/g;
|
|
$s =~ s/g/*1000*1000*1000/g;
|
|
$s =~ s/t/*1000*1000*1000*1000/g;
|
|
$s =~ s/p/*1000*1000*1000*1000*1000/g;
|
|
$s =~ s/e/*1000*1000*1000*1000*1000*1000/g;
|
|
$s =~ s/z/*1000*1000*1000*1000*1000*1000*1000/g;
|
|
$s =~ s/y/*1000*1000*1000*1000*1000*1000*1000*1000/g;
|
|
$s =~ s/x/*1000*1000*1000*1000*1000*1000*1000*1000*1000/g;
|
|
|
|
$s = eval $s;
|
|
::debug($s);
|
|
return $s;
|
|
}
|
|
|
|
sub tmpfile {
|
|
# Create tempfile as $TMPDIR/parXXXXX
|
|
# Returns:
|
|
# $filename = file name created
|
|
return ::tempfile(DIR=>$ENV{'TMPDIR'}, TEMPLATE => 'parXXXXX', @_);
|
|
}
|
|
|
|
sub __DEBUGGING__ {}
|
|
|
|
sub debug {
|
|
# Uses:
|
|
# $Global::debug
|
|
# %Global::fd
|
|
# Returns: N/A
|
|
$Global::debug or return;
|
|
@_ = grep { defined $_ ? $_ : "" } @_;
|
|
if($Global::debug eq "all" or $Global::debug eq $_[0]) {
|
|
if($Global::fd{1}) {
|
|
# Original stdout was saved
|
|
my $stdout = $Global::fd{1};
|
|
print $stdout @_[1..$#_];
|
|
} else {
|
|
print @_[1..$#_];
|
|
}
|
|
}
|
|
}
|
|
|
|
sub my_memory_usage {
|
|
# Returns:
|
|
# memory usage if found
|
|
# 0 otherwise
|
|
use strict;
|
|
use FileHandle;
|
|
|
|
my $pid = $$;
|
|
if(-e "/proc/$pid/stat") {
|
|
my $fh = FileHandle->new("</proc/$pid/stat");
|
|
|
|
my $data = <$fh>;
|
|
chomp $data;
|
|
$fh->close;
|
|
|
|
my @procinfo = split(/\s+/,$data);
|
|
|
|
return undef_as_zero($procinfo[22]);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
sub my_size {
|
|
# Returns:
|
|
# $size = size of object if Devel::Size is installed
|
|
# -1 otherwise
|
|
my @size_this = (@_);
|
|
eval "use Devel::Size qw(size total_size)";
|
|
if ($@) {
|
|
return -1;
|
|
} else {
|
|
return total_size(@_);
|
|
}
|
|
}
|
|
|
|
sub my_dump {
|
|
# Returns:
|
|
# ascii expression of object if Data::Dump(er) is installed
|
|
# error code otherwise
|
|
my @dump_this = (@_);
|
|
eval "use Data::Dump qw(dump);";
|
|
if ($@) {
|
|
# Data::Dump not installed
|
|
eval "use Data::Dumper;";
|
|
if ($@) {
|
|
my $err = "Neither Data::Dump nor Data::Dumper is installed\n".
|
|
"Not dumping output\n";
|
|
print $Global::original_stderr $err;
|
|
return $err;
|
|
} else {
|
|
return Dumper(@dump_this);
|
|
}
|
|
} else {
|
|
# Create a dummy Data::Dump:dump as Hans Schou sometimes has
|
|
# it undefined
|
|
eval "sub Data::Dump:dump {}";
|
|
eval "use Data::Dump qw(dump);";
|
|
return (Data::Dump::dump(@dump_this));
|
|
}
|
|
}
|
|
|
|
sub my_croak {
|
|
eval "use Carp; 1";
|
|
$Carp::Verbose = 1;
|
|
croak(@_);
|
|
}
|
|
|
|
sub my_carp {
|
|
eval "use Carp; 1";
|
|
$Carp::Verbose = 1;
|
|
carp(@_);
|
|
}
|
|
|
|
sub __OBJECT_ORIENTED_PARTS__ {}
|
|
|
|
package SSHLogin;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $sshlogin_string = shift;
|
|
my $ncpus;
|
|
my %hostgroups;
|
|
# SSHLogins can have these formats:
|
|
# @grp+grp/ncpu//usr/bin/ssh user@server
|
|
# ncpu//usr/bin/ssh user@server
|
|
# /usr/bin/ssh user@server
|
|
# user@server
|
|
# ncpu/user@server
|
|
# @grp+grp/user@server
|
|
if($sshlogin_string =~ s:^\@([^/]+)/?::) {
|
|
# Look for SSHLogin hostgroups
|
|
%hostgroups = map { $_ => 1 } split(/\+/, $1);
|
|
}
|
|
if ($sshlogin_string =~ s:^(\d+)/::) {
|
|
# Override default autodetected ncpus unless missing
|
|
$ncpus = $1;
|
|
}
|
|
my $string = $sshlogin_string;
|
|
# An SSHLogin is always in the hostgroup of its $string-name
|
|
$hostgroups{$string} = 1;
|
|
@Global::hostgroups{keys %hostgroups} = values %hostgroups;
|
|
my @unget = ();
|
|
my $no_slash_string = $string;
|
|
$no_slash_string =~ s/[^-a-z0-9:]/_/gi;
|
|
return bless {
|
|
'string' => $string,
|
|
'jobs_running' => 0,
|
|
'jobs_completed' => 0,
|
|
'maxlength' => undef,
|
|
'max_jobs_running' => undef,
|
|
'orig_max_jobs_running' => undef,
|
|
'ncpus' => $ncpus,
|
|
'hostgroups' => \%hostgroups,
|
|
'sshcommand' => undef,
|
|
'serverlogin' => undef,
|
|
'control_path_dir' => undef,
|
|
'control_path' => undef,
|
|
'time_to_login' => undef,
|
|
'last_login_at' => undef,
|
|
'loadavg_file' => $ENV{'HOME'} . "/.parallel/tmp/loadavg-" .
|
|
$no_slash_string,
|
|
'loadavg' => undef,
|
|
'last_loadavg_update' => 0,
|
|
'swap_activity_file' => $ENV{'HOME'} . "/.parallel/tmp/swap_activity-" .
|
|
$no_slash_string,
|
|
'swap_activity' => undef,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub DESTROY {
|
|
my $self = shift;
|
|
# Remove temporary files if they are created.
|
|
unlink $self->{'loadavg_file'};
|
|
unlink $self->{'swap_activity_file'};
|
|
}
|
|
|
|
sub string {
|
|
my $self = shift;
|
|
return $self->{'string'};
|
|
}
|
|
|
|
sub jobs_running {
|
|
my $self = shift;
|
|
|
|
return ($self->{'jobs_running'} || "0");
|
|
}
|
|
|
|
sub inc_jobs_running {
|
|
my $self = shift;
|
|
$self->{'jobs_running'}++;
|
|
}
|
|
|
|
sub dec_jobs_running {
|
|
my $self = shift;
|
|
$self->{'jobs_running'}--;
|
|
}
|
|
|
|
sub set_maxlength {
|
|
my $self = shift;
|
|
$self->{'maxlength'} = shift;
|
|
}
|
|
|
|
sub maxlength {
|
|
my $self = shift;
|
|
return $self->{'maxlength'};
|
|
}
|
|
|
|
sub jobs_completed {
|
|
my $self = shift;
|
|
return $self->{'jobs_completed'};
|
|
}
|
|
|
|
sub in_hostgroups {
|
|
# Input:
|
|
# @hostgroups = the hostgroups to look for
|
|
# Returns:
|
|
# true if intersection of @hostgroups and the hostgroups of this
|
|
# SSHLogin is non-empty
|
|
my $self = shift;
|
|
return grep { defined $self->{'hostgroups'}{$_} } @_;
|
|
}
|
|
|
|
sub hostgroups {
|
|
my $self = shift;
|
|
return keys %{$self->{'hostgroups'}};
|
|
}
|
|
|
|
sub inc_jobs_completed {
|
|
my $self = shift;
|
|
$self->{'jobs_completed'}++;
|
|
}
|
|
|
|
sub set_max_jobs_running {
|
|
my $self = shift;
|
|
if(defined $self->{'max_jobs_running'}) {
|
|
$Global::max_jobs_running -= $self->{'max_jobs_running'};
|
|
}
|
|
$self->{'max_jobs_running'} = shift;
|
|
if(defined $self->{'max_jobs_running'}) {
|
|
# max_jobs_running could be resat if -j is a changed file
|
|
$Global::max_jobs_running += $self->{'max_jobs_running'};
|
|
}
|
|
# Initialize orig to the first non-zero value that comes around
|
|
$self->{'orig_max_jobs_running'} ||= $self->{'max_jobs_running'};
|
|
}
|
|
|
|
sub swapping {
|
|
my $self = shift;
|
|
my $swapping = $self->swap_activity();
|
|
return (not defined $swapping or $swapping)
|
|
}
|
|
|
|
sub swap_activity {
|
|
# If the currently known swap activity is too old:
|
|
# Recompute a new one in the background
|
|
# Returns:
|
|
# last swap activity computed
|
|
my $self = shift;
|
|
# Should we update the swap_activity file?
|
|
my $update_swap_activity_file = 0;
|
|
if(-r $self->{'swap_activity_file'}) {
|
|
open(my $swap_fh, "<", $self->{'swap_activity_file'}) || ::die_bug("swap_activity_file-r");
|
|
my $swap_out = <$swap_fh>;
|
|
close $swap_fh;
|
|
if($swap_out =~ /^(\d+)$/) {
|
|
$self->{'swap_activity'} = $1;
|
|
::debug("swap", "New swap_activity: ", $self->{'swap_activity'});
|
|
}
|
|
::debug("swap", "Last update: ", $self->{'last_swap_activity_update'});
|
|
if(time - $self->{'last_swap_activity_update'} > 10) {
|
|
# last swap activity update was started 10 seconds ago
|
|
::debug("swap", "Older than 10 sec: ", $self->{'swap_activity_file'});
|
|
$update_swap_activity_file = 1;
|
|
}
|
|
} else {
|
|
::debug("swap", "No swap_activity file: ", $self->{'swap_activity_file'});
|
|
$self->{'swap_activity'} = undef;
|
|
$update_swap_activity_file = 1;
|
|
}
|
|
if($update_swap_activity_file) {
|
|
::debug("swap", "Updating swap_activity file ", $self->{'swap_activity_file'});
|
|
$self->{'last_swap_activity_update'} = time;
|
|
-e $ENV{'HOME'}."/.parallel" or mkdir $ENV{'HOME'}."/.parallel";
|
|
-e $ENV{'HOME'}."/.parallel/tmp" or mkdir $ENV{'HOME'}."/.parallel/tmp";
|
|
my $swap_activity;
|
|
$swap_activity = swapactivityscript();
|
|
if($self->{'string'} ne ":") {
|
|
$swap_activity = $self->sshcommand() . " " . $self->serverlogin() . " " .
|
|
::shell_quote_scalar($swap_activity);
|
|
}
|
|
# Run swap_activity measuring.
|
|
# As the command can take long to run if run remote
|
|
# save it to a tmp file before moving it to the correct file
|
|
my $file = $self->{'swap_activity_file'};
|
|
my ($dummy_fh, $tmpfile) = ::tmpfile(SUFFIX => ".swp");
|
|
::debug("swap", "\n", $swap_activity, "\n");
|
|
qx{ ($swap_activity > $tmpfile && mv $tmpfile $file || rm $tmpfile) & };
|
|
}
|
|
return $self->{'swap_activity'};
|
|
}
|
|
|
|
{
|
|
my $script;
|
|
|
|
sub swapactivityscript {
|
|
# Returns:
|
|
# shellscript for detecting swap activity
|
|
#
|
|
# arguments for vmstat are OS dependant
|
|
# swap_in and swap_out are in different columns depending on OS
|
|
#
|
|
if(not $script) {
|
|
my %vmstat = (
|
|
# linux: $7*$8
|
|
# $ vmstat 1 2
|
|
# procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
|
|
# r b swpd free buff cache si so bi bo in cs us sy id wa
|
|
# 5 0 51208 1701096 198012 18857888 0 0 37 153 28 19 56 11 33 1
|
|
# 3 0 51208 1701288 198012 18857972 0 0 0 0 3638 10412 15 3 82 0
|
|
'linux' => ['vmstat 1 2 | tail -n1', '$7*$8'],
|
|
|
|
# solaris: $6*$7
|
|
# $ vmstat -S 1 2
|
|
# kthr memory page disk faults cpu
|
|
# r b w swap free si so pi po fr de sr s3 s4 -- -- in sy cs us sy id
|
|
# 0 0 0 4628952 3208408 0 0 3 1 1 0 0 -0 2 0 0 263 613 246 1 2 97
|
|
# 0 0 0 4552504 3166360 0 0 0 0 0 0 0 0 0 0 0 246 213 240 1 1 98
|
|
'solaris' => ['vmstat -S 1 2 | tail -1', '$6*$7'],
|
|
|
|
# darwin (macosx): $21*$22
|
|
# $ vm_stat -c 2 1
|
|
# Mach Virtual Memory Statistics: (page size of 4096 bytes)
|
|
# free active specul inactive throttle wired prgable faults copy 0fill reactive purged file-backed anonymous cmprssed cmprssor dcomprs comprs pageins pageout swapins swapouts
|
|
# 346306 829050 74871 606027 0 240231 90367 544858K 62343596 270837K 14178 415070 570102 939846 356 370 116 922 4019813 4 0 0
|
|
# 345740 830383 74875 606031 0 239234 90369 2696 359 553 0 0 570110 941179 356 370 0 0 0 0 0 0
|
|
'darwin' => ['vm_stat -c 2 1 | tail -n1', '$21*$22'],
|
|
|
|
# ultrix: $12*$13
|
|
# $ vmstat -S 1 2
|
|
# procs faults cpu memory page disk
|
|
# r b w in sy cs us sy id avm fre si so pi po fr de sr s0
|
|
# 1 0 0 4 23 2 3 0 97 7743 217k 0 0 0 0 0 0 0 0
|
|
# 1 0 0 6 40 8 0 1 99 7743 217k 0 0 3 0 0 0 0 0
|
|
'ultrix' => ['vmstat -S 1 2 | tail -1', '$12*$13'],
|
|
|
|
# aix: $6*$7
|
|
# $ vmstat 1 2
|
|
# System configuration: lcpu=1 mem=2048MB
|
|
#
|
|
# kthr memory page faults cpu
|
|
# ----- ----------- ------------------------ ------------ -----------
|
|
# r b avm fre re pi po fr sr cy in sy cs us sy id wa
|
|
# 0 0 333933 241803 0 0 0 0 0 0 10 143 90 0 0 99 0
|
|
# 0 0 334125 241569 0 0 0 0 0 0 37 5368 184 0 9 86 5
|
|
'aix' => ['vmstat 1 2 | tail -n1', '$6*$7'],
|
|
|
|
# freebsd: $8*$9
|
|
# $ vmstat -H 1 2
|
|
# procs memory page disks faults cpu
|
|
# r b w avm fre flt re pi po fr sr ad0 ad1 in sy cs us sy id
|
|
# 1 0 0 596716 19560 32 0 0 0 33 8 0 0 11 220 277 0 0 99
|
|
# 0 0 0 596716 19560 2 0 0 0 0 0 0 0 11 144 263 0 1 99
|
|
'freebsd' => ['vmstat -H 1 2 | tail -n1', '$8*$9'],
|
|
|
|
# mirbsd: $8*$9
|
|
# $ vmstat 1 2
|
|
# procs memory page disks traps cpu
|
|
# r b w avm fre flt re pi po fr sr wd0 cd0 int sys cs us sy id
|
|
# 0 0 0 25776 164968 34 0 0 0 0 0 0 0 230 259 38 4 0 96
|
|
# 0 0 0 25776 164968 24 0 0 0 0 0 0 0 237 275 37 0 0 100
|
|
'mirbsd' => ['vmstat 1 2 | tail -n1', '$8*$9'],
|
|
|
|
# netbsd: $7*$8
|
|
# $ vmstat 1 2
|
|
# procs memory page disks faults cpu
|
|
# r b avm fre flt re pi po fr sr w0 w1 in sy cs us sy id
|
|
# 0 0 138452 6012 54 0 0 0 1 2 3 0 4 100 23 0 0 100
|
|
# 0 0 138456 6008 1 0 0 0 0 0 0 0 7 26 19 0 0 100
|
|
'netbsd' => ['vmstat 1 2 | tail -n1', '$7*$8'],
|
|
|
|
# openbsd: $8*$9
|
|
# $ vmstat 1 2
|
|
# procs memory page disks traps cpu
|
|
# r b w avm fre flt re pi po fr sr wd0 wd1 int sys cs us sy id
|
|
# 0 0 0 76596 109944 73 0 0 0 0 0 0 1 5 259 22 0 1 99
|
|
# 0 0 0 76604 109936 24 0 0 0 0 0 0 0 7 114 20 0 1 99
|
|
'openbsd' => ['vmstat 1 2 | tail -n1', '$8*$9'],
|
|
|
|
# hpux: $8*$9
|
|
# $ vmstat 1 2
|
|
# procs memory page faults cpu
|
|
# r b w avm free re at pi po fr de sr in sy cs us sy id
|
|
# 1 0 0 247211 216476 4 1 0 0 0 0 0 102 73005 54 6 11 83
|
|
# 1 0 0 247211 216421 43 9 0 0 0 0 0 144 1675 96 25269512791222387000 25269512791222387000 105
|
|
'hpux' => ['vmstat 1 2 | tail -n1', '$8*$9'],
|
|
|
|
# dec_osf (tru64): $11*$12
|
|
# $ vmstat 1 2
|
|
# Virtual Memory Statistics: (pagesize = 8192)
|
|
# procs memory pages intr cpu
|
|
# r w u act free wire fault cow zero react pin pout in sy cs us sy id
|
|
# 3 181 36 51K 1895 8696 348M 59M 122M 259 79M 0 5 218 302 4 1 94
|
|
# 3 181 36 51K 1893 8696 3 15 21 0 28 0 4 81 321 1 1 98
|
|
'dec_osf' => ['vmstat 1 2 | tail -n1', '$11*$12'],
|
|
|
|
# gnu (hurd): $7*$8
|
|
# $ vmstat -k 1 2
|
|
# (pagesize: 4, size: 512288, swap size: 894972)
|
|
# free actv inact wired zeroed react pgins pgouts pfaults cowpfs hrat caobj cache swfree
|
|
# 371940 30844 89228 20276 298348 0 48192 19016 756105 99808 98% 876 20628 894972
|
|
# 371940 30844 89228 20276 +0 +0 +0 +0 +42 +2 98% 876 20628 894972
|
|
'gnu' => ['vmstat -k 1 2 | tail -n1', '$7*$8'],
|
|
|
|
# -nto (qnx has no swap)
|
|
#-irix
|
|
#-svr5 (scosysv)
|
|
);
|
|
my $perlscript = "";
|
|
for my $os (keys %vmstat) {
|
|
#q[ { vmstat 1 2 2> /dev/null || vmstat -c 1 2; } | ].
|
|
# q[ awk 'NR!=4{next} NF==17||NF==16{print $7*$8} NF==22{print $21*$22} {exit}' ];
|
|
$vmstat{$os}[1] =~ s/\$/\\\\\\\$/g; # $ => \\\$
|
|
$perlscript .= 'if($^O eq "'.$os.'") { print `'.$vmstat{$os}[0].' | awk "{print ' .
|
|
$vmstat{$os}[1] . '}"` }';
|
|
}
|
|
$perlscript = "perl -e " . ::shell_quote_scalar($perlscript);
|
|
$script = $Global::envvar. " " .$perlscript;
|
|
}
|
|
return $script;
|
|
}
|
|
}
|
|
|
|
sub too_fast_remote_login {
|
|
my $self = shift;
|
|
if($self->{'last_login_at'} and $self->{'time_to_login'}) {
|
|
# sshd normally allows 10 simultaneous logins
|
|
# A login takes time_to_login
|
|
# So time_to_login/5 should be safe
|
|
# If now <= last_login + time_to_login/5: Then it is too soon.
|
|
my $too_fast = (::now() <= $self->{'last_login_at'}
|
|
+ $self->{'time_to_login'}/5);
|
|
::debug("run", "Too fast? $too_fast ");
|
|
return $too_fast;
|
|
} else {
|
|
# No logins so far (or time_to_login not computed): it is not too fast
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
sub last_login_at {
|
|
my $self = shift;
|
|
return $self->{'last_login_at'};
|
|
}
|
|
|
|
sub set_last_login_at {
|
|
my $self = shift;
|
|
$self->{'last_login_at'} = shift;
|
|
}
|
|
|
|
sub loadavg_too_high {
|
|
my $self = shift;
|
|
my $loadavg = $self->loadavg();
|
|
return (not defined $loadavg or
|
|
$loadavg > $self->max_loadavg());
|
|
}
|
|
|
|
sub loadavg {
|
|
# If the currently know loadavg is too old:
|
|
# Recompute a new one in the background
|
|
# The load average is computed as the number of processes waiting for disk
|
|
# or CPU right now. So it is the server load this instant and not averaged over
|
|
# several minutes. This is needed so GNU Parallel will at most start one job
|
|
# that will push the load over the limit.
|
|
#
|
|
# Returns:
|
|
# $last_loadavg = last load average computed (undef if none)
|
|
my $self = shift;
|
|
# Should we update the loadavg file?
|
|
my $update_loadavg_file = 0;
|
|
if(open(my $load_fh, "<", $self->{'loadavg_file'})) {
|
|
local $/ = undef;
|
|
my $load_out = <$load_fh>;
|
|
close $load_fh;
|
|
my $load =()= ($load_out=~/(^[DR]....[^\[])/gm);
|
|
if($load > 0) {
|
|
# load is overestimated by 1
|
|
$self->{'loadavg'} = $load - 1;
|
|
::debug("load", "New loadavg: ", $self->{'loadavg'});
|
|
} else {
|
|
::die_bug("loadavg_invalid_content: $load_out");
|
|
}
|
|
::debug("load", "Last update: ", $self->{'last_loadavg_update'});
|
|
if(time - $self->{'last_loadavg_update'} > 10) {
|
|
# last loadavg was started 10 seconds ago
|
|
::debug("load", time - $self->{'last_loadavg_update'}, " secs old: ",
|
|
$self->{'loadavg_file'});
|
|
$update_loadavg_file = 1;
|
|
}
|
|
} else {
|
|
::debug("load", "No loadavg file: ", $self->{'loadavg_file'});
|
|
$self->{'loadavg'} = undef;
|
|
$update_loadavg_file = 1;
|
|
}
|
|
if($update_loadavg_file) {
|
|
::debug("load", "Updating loadavg file", $self->{'loadavg_file'}, "\n");
|
|
$self->{'last_loadavg_update'} = time;
|
|
-e $ENV{'HOME'}."/.parallel" or mkdir $ENV{'HOME'}."/.parallel";
|
|
-e $ENV{'HOME'}."/.parallel/tmp" or mkdir $ENV{'HOME'}."/.parallel/tmp";
|
|
my $cmd = "";
|
|
if($self->{'string'} ne ":") {
|
|
$cmd = $self->sshcommand() . " " . $self->serverlogin() . " ";
|
|
}
|
|
# TODO Is is called 'ps ax -o state,command' on other platforms?
|
|
$cmd .= "ps ax -o state,command";
|
|
# As the command can take long to run if run remote
|
|
# save it to a tmp file before moving it to the correct file
|
|
my $file = $self->{'loadavg_file'};
|
|
my ($dummy_fh, $tmpfile) = ::tmpfile(SUFFIX => ".loa");
|
|
qx{ ($cmd > $tmpfile && mv $tmpfile $file || rm $tmpfile) & };
|
|
}
|
|
return $self->{'loadavg'};
|
|
}
|
|
|
|
sub max_loadavg {
|
|
my $self = shift;
|
|
# If --load is a file it might be changed
|
|
if($Global::max_load_file) {
|
|
my $mtime = (stat($Global::max_load_file))[9];
|
|
if($mtime > $Global::max_load_file_last_mod) {
|
|
$Global::max_load_file_last_mod = $mtime;
|
|
for my $sshlogin (values %Global::host) {
|
|
$sshlogin->set_max_loadavg(undef);
|
|
}
|
|
}
|
|
}
|
|
if(not defined $self->{'max_loadavg'}) {
|
|
$self->{'max_loadavg'} =
|
|
$self->compute_max_loadavg($opt::load);
|
|
}
|
|
::debug("load", "max_loadavg: ", $self->string(), " ", $self->{'max_loadavg'});
|
|
return $self->{'max_loadavg'};
|
|
}
|
|
|
|
sub set_max_loadavg {
|
|
my $self = shift;
|
|
$self->{'max_loadavg'} = shift;
|
|
}
|
|
|
|
sub compute_max_loadavg {
|
|
# Parse the max loadaverage that the user asked for using --load
|
|
# Returns:
|
|
# max loadaverage
|
|
my $self = shift;
|
|
my $loadspec = shift;
|
|
my $load;
|
|
if(defined $loadspec) {
|
|
if($loadspec =~ /^\+(\d+)$/) {
|
|
# E.g. --load +2
|
|
my $j = $1;
|
|
$load =
|
|
$self->ncpus() + $j;
|
|
} elsif ($loadspec =~ /^-(\d+)$/) {
|
|
# E.g. --load -2
|
|
my $j = $1;
|
|
$load =
|
|
$self->ncpus() - $j;
|
|
} elsif ($loadspec =~ /^(\d+)\%$/) {
|
|
my $j = $1;
|
|
$load =
|
|
$self->ncpus() * $j / 100;
|
|
} elsif ($loadspec =~ /^(\d+(\.\d+)?)$/) {
|
|
$load = $1;
|
|
} elsif (-f $loadspec) {
|
|
$Global::max_load_file = $loadspec;
|
|
$Global::max_load_file_last_mod = (stat($Global::max_load_file))[9];
|
|
if(open(my $in_fh, "<", $Global::max_load_file)) {
|
|
my $opt_load_file = join("",<$in_fh>);
|
|
close $in_fh;
|
|
$load = $self->compute_max_loadavg($opt_load_file);
|
|
} else {
|
|
print $Global::original_stderr "Cannot open $loadspec\n";
|
|
::wait_and_exit(255);
|
|
}
|
|
} else {
|
|
print $Global::original_stderr "Parsing of --load failed\n";
|
|
::die_usage();
|
|
}
|
|
if($load < 0.01) {
|
|
$load = 0.01;
|
|
}
|
|
}
|
|
return $load;
|
|
}
|
|
|
|
sub time_to_login {
|
|
my $self = shift;
|
|
return $self->{'time_to_login'};
|
|
}
|
|
|
|
sub set_time_to_login {
|
|
my $self = shift;
|
|
$self->{'time_to_login'} = shift;
|
|
}
|
|
|
|
sub max_jobs_running {
|
|
my $self = shift;
|
|
if(not defined $self->{'max_jobs_running'}) {
|
|
my $nproc = $self->compute_number_of_processes($opt::jobs);
|
|
$self->set_max_jobs_running($nproc);
|
|
}
|
|
return $self->{'max_jobs_running'};
|
|
}
|
|
|
|
sub orig_max_jobs_running {
|
|
my $self = shift;
|
|
return $self->{'orig_max_jobs_running'};
|
|
}
|
|
|
|
sub compute_number_of_processes {
|
|
# Number of processes wanted and limited by system resources
|
|
# Returns:
|
|
# Number of processes
|
|
my $self = shift;
|
|
my $opt_P = shift;
|
|
my $wanted_processes = $self->user_requested_processes($opt_P);
|
|
if(not defined $wanted_processes) {
|
|
$wanted_processes = $Global::default_simultaneous_sshlogins;
|
|
}
|
|
::debug("load", "Wanted procs: $wanted_processes\n");
|
|
my $system_limit =
|
|
$self->processes_available_by_system_limit($wanted_processes);
|
|
::debug("load", "Limited to procs: $system_limit\n");
|
|
return $system_limit;
|
|
}
|
|
|
|
sub processes_available_by_system_limit {
|
|
# If the wanted number of processes is bigger than the system limits:
|
|
# Limit them to the system limits
|
|
# Limits are: File handles, number of input lines, processes,
|
|
# and taking > 1 second to spawn 10 extra processes
|
|
# Returns:
|
|
# Number of processes
|
|
my $self = shift;
|
|
my $wanted_processes = shift;
|
|
|
|
my $system_limit = 0;
|
|
my @jobs = ();
|
|
my $job;
|
|
my @args = ();
|
|
my $arg;
|
|
my $more_filehandles = 1;
|
|
my $max_system_proc_reached = 0;
|
|
my $slow_spawining_warning_printed = 0;
|
|
my $time = time;
|
|
my %fh;
|
|
my @children;
|
|
|
|
# Reserve filehandles
|
|
# perl uses 7 filehandles for something?
|
|
# parallel uses 1 for memory_usage
|
|
# parallel uses 4 for ?
|
|
for my $i (1..12) {
|
|
open($fh{"init-$i"}, "<", "/dev/null");
|
|
}
|
|
|
|
for(1..2) {
|
|
# System process limit
|
|
my $child;
|
|
if($child = fork()) {
|
|
push (@children,$child);
|
|
$Global::unkilled_children{$child} = 1;
|
|
} elsif(defined $child) {
|
|
# The child takes one process slot
|
|
# It will be killed later
|
|
$SIG{TERM} = $Global::original_sig{TERM};
|
|
sleep 10000000;
|
|
exit(0);
|
|
} else {
|
|
$max_system_proc_reached = 1;
|
|
}
|
|
}
|
|
my $count_jobs_already_read = $Global::JobQueue->next_seq();
|
|
my $wait_time_for_getting_args = 0;
|
|
my $start_time = time;
|
|
while(1) {
|
|
$system_limit >= $wanted_processes and last;
|
|
not $more_filehandles and last;
|
|
$max_system_proc_reached and last;
|
|
my $before_getting_arg = time;
|
|
if($Global::semaphore or $opt::pipe) {
|
|
# Skip: No need to get args
|
|
} elsif(defined $opt::retries and $count_jobs_already_read) {
|
|
# For retries we may need to run all jobs on this sshlogin
|
|
# so include the already read jobs for this sshlogin
|
|
$count_jobs_already_read--;
|
|
} else {
|
|
if($opt::X or $opt::m) {
|
|
# The arguments may have to be re-spread over several jobslots
|
|
# So pessimistically only read one arg per jobslot
|
|
# instead of a full commandline
|
|
if($Global::JobQueue->{'commandlinequeue'}->{'arg_queue'}->empty()) {
|
|
if($Global::JobQueue->empty()) {
|
|
last;
|
|
} else {
|
|
($job) = $Global::JobQueue->get();
|
|
push(@jobs, $job);
|
|
}
|
|
} else {
|
|
($arg) = $Global::JobQueue->{'commandlinequeue'}->{'arg_queue'}->get();
|
|
push(@args, $arg);
|
|
}
|
|
} else {
|
|
# If there are no more command lines, then we have a process
|
|
# per command line, so no need to go further
|
|
$Global::JobQueue->empty() and last;
|
|
($job) = $Global::JobQueue->get();
|
|
push(@jobs, $job);
|
|
}
|
|
}
|
|
$wait_time_for_getting_args += time - $before_getting_arg;
|
|
$system_limit++;
|
|
|
|
# Every simultaneous process uses 2 filehandles when grouping
|
|
# Every simultaneous process uses 2 filehandles when compressing
|
|
$more_filehandles = open($fh{$system_limit*10}, "<", "/dev/null")
|
|
&& open($fh{$system_limit*10+2}, "<", "/dev/null")
|
|
&& open($fh{$system_limit*10+3}, "<", "/dev/null")
|
|
&& open($fh{$system_limit*10+4}, "<", "/dev/null");
|
|
|
|
# System process limit
|
|
my $child;
|
|
if($child = fork()) {
|
|
push (@children,$child);
|
|
$Global::unkilled_children{$child} = 1;
|
|
} elsif(defined $child) {
|
|
# The child takes one process slot
|
|
# It will be killed later
|
|
$SIG{TERM} = $Global::original_sig{TERM};
|
|
sleep 10000000;
|
|
exit(0);
|
|
} else {
|
|
$max_system_proc_reached = 1;
|
|
}
|
|
my $forktime = time - $time - $wait_time_for_getting_args;
|
|
::debug("run", "Time to fork $system_limit procs: $wait_time_for_getting_args ",
|
|
$forktime,
|
|
" (processes so far: ", $system_limit,")\n");
|
|
if($system_limit > 10 and
|
|
$forktime > 1 and
|
|
$forktime > $system_limit * 0.01
|
|
and not $slow_spawining_warning_printed) {
|
|
# It took more than 0.01 second to fork a processes on avg.
|
|
# Give the user a warning. He can press Ctrl-C if this
|
|
# sucks.
|
|
print $Global::original_stderr
|
|
("parallel: Warning: Starting $system_limit processes took > $forktime sec.\n",
|
|
"Consider adjusting -j. Press CTRL-C to stop.\n");
|
|
$slow_spawining_warning_printed = 1;
|
|
}
|
|
}
|
|
# Cleanup: Close the files
|
|
for (values %fh) { close $_ }
|
|
# Cleanup: Kill the children
|
|
for my $pid (@children) {
|
|
kill 9, $pid;
|
|
waitpid($pid,0);
|
|
delete $Global::unkilled_children{$pid};
|
|
}
|
|
# Cleanup: Unget the command_lines or the @args
|
|
$Global::JobQueue->{'commandlinequeue'}->{'arg_queue'}->unget(@args);
|
|
$Global::JobQueue->unget(@jobs);
|
|
if($system_limit < $wanted_processes) {
|
|
# The system_limit is less than the wanted_processes
|
|
if($system_limit < 1 and not $Global::JobQueue->empty()) {
|
|
::warning("Cannot spawn any jobs. Raising ulimit -u or /etc/security/limits.conf\n",
|
|
"or /proc/sys/kernel/pid_max may help.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
if(not $more_filehandles) {
|
|
::warning("Only enough file handles to run ", $system_limit, " jobs in parallel.\n",
|
|
"Running 'parallel -j0 -N", $system_limit, " --pipe parallel -j0' or ",
|
|
"raising ulimit -n or /etc/security/limits.conf may help.\n");
|
|
}
|
|
if($max_system_proc_reached) {
|
|
::warning("Only enough available processes to run ", $system_limit,
|
|
" jobs in parallel. Raising ulimit -u or /etc/security/limits.conf\n",
|
|
"or /proc/sys/kernel/pid_max may help.\n");
|
|
}
|
|
}
|
|
if($] == 5.008008 and $system_limit > 1000) {
|
|
# https://savannah.gnu.org/bugs/?36942
|
|
$system_limit = 1000;
|
|
}
|
|
if($Global::JobQueue->empty()) {
|
|
$system_limit ||= 1;
|
|
}
|
|
if($self->string() ne ":" and
|
|
$system_limit > $Global::default_simultaneous_sshlogins) {
|
|
$system_limit =
|
|
$self->simultaneous_sshlogin_limit($system_limit);
|
|
}
|
|
return $system_limit;
|
|
}
|
|
|
|
sub simultaneous_sshlogin_limit {
|
|
# Test by logging in wanted number of times simultaneously
|
|
# Returns:
|
|
# min($wanted_processes,$working_simultaneous_ssh_logins-1)
|
|
my $self = shift;
|
|
my $wanted_processes = shift;
|
|
if($self->{'time_to_login'}) {
|
|
return $wanted_processes;
|
|
}
|
|
|
|
# Try twice because it guesses wrong sometimes
|
|
# Choose the minimal
|
|
my $ssh_limit =
|
|
::min($self->simultaneous_sshlogin($wanted_processes),
|
|
$self->simultaneous_sshlogin($wanted_processes));
|
|
if($ssh_limit < $wanted_processes) {
|
|
my $serverlogin = $self->serverlogin();
|
|
::warning("ssh to $serverlogin only allows ",
|
|
"for $ssh_limit simultaneous logins.\n",
|
|
"You may raise this by changing ",
|
|
"/etc/ssh/sshd_config:MaxStartups and MaxSessions on $serverlogin.\n",
|
|
"Using only ",$ssh_limit-1," connections ",
|
|
"to avoid race conditions.\n");
|
|
}
|
|
# Race condition can cause problem if using all sshs.
|
|
if($ssh_limit > 1) { $ssh_limit -= 1; }
|
|
return $ssh_limit;
|
|
}
|
|
|
|
sub simultaneous_sshlogin {
|
|
# Using $sshlogin try to see if we can do $wanted_processes
|
|
# simultaneous logins
|
|
# (ssh host echo simultaneouslogin & ssh host echo simultaneouslogin & ...)|grep simul|wc -l
|
|
# Returns:
|
|
# Number of succesful logins
|
|
my $self = shift;
|
|
my $wanted_processes = shift;
|
|
my $sshcmd = $self->sshcommand();
|
|
my $serverlogin = $self->serverlogin();
|
|
my $sshdelay = $opt::sshdelay ? "sleep $opt::sshdelay;" : "";
|
|
my $cmd = "$sshdelay$sshcmd $serverlogin echo simultaneouslogin </dev/null 2>&1 &"x$wanted_processes;
|
|
::debug("init", "Trying $wanted_processes logins at $serverlogin\n");
|
|
open (my $simul_fh, "-|", "($cmd)|grep simultaneouslogin | wc -l") or
|
|
::die_bug("simultaneouslogin");
|
|
my $ssh_limit = <$simul_fh>;
|
|
close $simul_fh;
|
|
chomp $ssh_limit;
|
|
return $ssh_limit;
|
|
}
|
|
|
|
sub set_ncpus {
|
|
my $self = shift;
|
|
$self->{'ncpus'} = shift;
|
|
}
|
|
|
|
sub user_requested_processes {
|
|
# Parse the number of processes that the user asked for using -j
|
|
# Returns:
|
|
# the number of processes to run on this sshlogin
|
|
my $self = shift;
|
|
my $opt_P = shift;
|
|
my $processes;
|
|
if(defined $opt_P) {
|
|
if($opt_P =~ /^\+(\d+)$/) {
|
|
# E.g. -P +2
|
|
my $j = $1;
|
|
$processes =
|
|
$self->ncpus() + $j;
|
|
} elsif ($opt_P =~ /^-(\d+)$/) {
|
|
# E.g. -P -2
|
|
my $j = $1;
|
|
$processes =
|
|
$self->ncpus() - $j;
|
|
} elsif ($opt_P =~ /^(\d+(\.\d+)?)\%$/) {
|
|
# E.g. -P 10.5%
|
|
my $j = $1;
|
|
$processes =
|
|
$self->ncpus() * $j / 100;
|
|
} elsif ($opt_P =~ /^(\d+)$/) {
|
|
$processes = $1;
|
|
if($processes == 0) {
|
|
# -P 0 = infinity (or at least close)
|
|
$processes = $Global::infinity;
|
|
}
|
|
} elsif (-f $opt_P) {
|
|
$Global::max_procs_file = $opt_P;
|
|
$Global::max_procs_file_last_mod = (stat($Global::max_procs_file))[9];
|
|
if(open(my $in_fh, "<", $Global::max_procs_file)) {
|
|
my $opt_P_file = join("",<$in_fh>);
|
|
close $in_fh;
|
|
$processes = $self->user_requested_processes($opt_P_file);
|
|
} else {
|
|
::error("Cannot open $opt_P.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
} else {
|
|
::error("Parsing of --jobs/-j/--max-procs/-P failed.\n");
|
|
::die_usage();
|
|
}
|
|
$processes = ::ceil($processes);
|
|
}
|
|
return $processes;
|
|
}
|
|
|
|
sub ncpus {
|
|
my $self = shift;
|
|
if(not defined $self->{'ncpus'}) {
|
|
my $sshcmd = $self->sshcommand();
|
|
my $serverlogin = $self->serverlogin();
|
|
if($serverlogin eq ":") {
|
|
if($opt::use_cpus_instead_of_cores) {
|
|
$self->{'ncpus'} = no_of_cpus();
|
|
} else {
|
|
$self->{'ncpus'} = no_of_cores();
|
|
}
|
|
} else {
|
|
my $ncpu;
|
|
my $sqe = ::shell_quote_scalar($Global::envvar);
|
|
if($opt::use_cpus_instead_of_cores) {
|
|
$ncpu = qx(echo|$sshcmd $serverlogin $sqe parallel --number-of-cpus);
|
|
} else {
|
|
::debug("init",qq(echo|$sshcmd $serverlogin $sqe parallel --number-of-cores\n));
|
|
$ncpu = qx(echo|$sshcmd $serverlogin $sqe parallel --number-of-cores);
|
|
}
|
|
chomp $ncpu;
|
|
if($ncpu =~ /^\s*[0-9]+\s*$/s) {
|
|
$self->{'ncpus'} = $ncpu;
|
|
} else {
|
|
::warning("Could not figure out ",
|
|
"number of cpus on $serverlogin ($ncpu). Using 1.\n");
|
|
$self->{'ncpus'} = 1;
|
|
}
|
|
}
|
|
}
|
|
return $self->{'ncpus'};
|
|
}
|
|
|
|
sub no_of_cpus {
|
|
# Returns:
|
|
# Number of physical CPUs
|
|
local $/="\n"; # If delimiter is set, then $/ will be wrong
|
|
my $no_of_cpus;
|
|
if ($^O eq 'linux') {
|
|
$no_of_cpus = no_of_cpus_gnu_linux() || no_of_cores_gnu_linux();
|
|
} elsif ($^O eq 'freebsd') {
|
|
$no_of_cpus = no_of_cpus_freebsd();
|
|
} elsif ($^O eq 'netbsd') {
|
|
$no_of_cpus = no_of_cpus_netbsd();
|
|
} elsif ($^O eq 'openbsd') {
|
|
$no_of_cpus = no_of_cpus_openbsd();
|
|
} elsif ($^O eq 'gnu') {
|
|
$no_of_cpus = no_of_cpus_hurd();
|
|
} elsif ($^O eq 'darwin') {
|
|
$no_of_cpus = no_of_cpus_darwin();
|
|
} elsif ($^O eq 'solaris') {
|
|
$no_of_cpus = no_of_cpus_solaris();
|
|
} elsif ($^O eq 'aix') {
|
|
$no_of_cpus = no_of_cpus_aix();
|
|
} elsif ($^O eq 'hpux') {
|
|
$no_of_cpus = no_of_cpus_hpux();
|
|
} elsif ($^O eq 'nto') {
|
|
$no_of_cpus = no_of_cpus_qnx();
|
|
} elsif ($^O eq 'svr5') {
|
|
$no_of_cpus = no_of_cpus_openserver();
|
|
} elsif ($^O eq 'irix') {
|
|
$no_of_cpus = no_of_cpus_irix();
|
|
} elsif ($^O eq 'dec_osf') {
|
|
$no_of_cpus = no_of_cpus_tru64();
|
|
} else {
|
|
$no_of_cpus = (no_of_cpus_gnu_linux()
|
|
|| no_of_cpus_freebsd()
|
|
|| no_of_cpus_netbsd()
|
|
|| no_of_cpus_openbsd()
|
|
|| no_of_cpus_hurd()
|
|
|| no_of_cpus_darwin()
|
|
|| no_of_cpus_solaris()
|
|
|| no_of_cpus_aix()
|
|
|| no_of_cpus_hpux()
|
|
|| no_of_cpus_qnx()
|
|
|| no_of_cpus_openserver()
|
|
|| no_of_cpus_irix()
|
|
|| no_of_cpus_tru64()
|
|
# Number of cores is better than no guess for #CPUs
|
|
|| nproc()
|
|
);
|
|
}
|
|
if($no_of_cpus) {
|
|
chomp $no_of_cpus;
|
|
return $no_of_cpus;
|
|
} else {
|
|
::warning("Cannot figure out number of cpus. Using 1.\n");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sub no_of_cores {
|
|
# Returns:
|
|
# Number of CPU cores
|
|
local $/="\n"; # If delimiter is set, then $/ will be wrong
|
|
my $no_of_cores;
|
|
if ($^O eq 'linux') {
|
|
$no_of_cores = no_of_cores_gnu_linux();
|
|
} elsif ($^O eq 'freebsd') {
|
|
$no_of_cores = no_of_cores_freebsd();
|
|
} elsif ($^O eq 'netbsd') {
|
|
$no_of_cores = no_of_cores_netbsd();
|
|
} elsif ($^O eq 'openbsd') {
|
|
$no_of_cores = no_of_cores_openbsd();
|
|
} elsif ($^O eq 'gnu') {
|
|
$no_of_cores = no_of_cores_hurd();
|
|
} elsif ($^O eq 'darwin') {
|
|
$no_of_cores = no_of_cores_darwin();
|
|
} elsif ($^O eq 'solaris') {
|
|
$no_of_cores = no_of_cores_solaris();
|
|
} elsif ($^O eq 'aix') {
|
|
$no_of_cores = no_of_cores_aix();
|
|
} elsif ($^O eq 'hpux') {
|
|
$no_of_cores = no_of_cores_hpux();
|
|
} elsif ($^O eq 'nto') {
|
|
$no_of_cores = no_of_cores_qnx();
|
|
} elsif ($^O eq 'svr5') {
|
|
$no_of_cores = no_of_cores_openserver();
|
|
} elsif ($^O eq 'irix') {
|
|
$no_of_cores = no_of_cores_irix();
|
|
} elsif ($^O eq 'dec_osf') {
|
|
$no_of_cores = no_of_cores_tru64();
|
|
} else {
|
|
$no_of_cores = (no_of_cores_gnu_linux()
|
|
|| no_of_cores_freebsd()
|
|
|| no_of_cores_netbsd()
|
|
|| no_of_cores_openbsd()
|
|
|| no_of_cores_hurd()
|
|
|| no_of_cores_darwin()
|
|
|| no_of_cores_solaris()
|
|
|| no_of_cores_aix()
|
|
|| no_of_cores_hpux()
|
|
|| no_of_cores_qnx()
|
|
|| no_of_cores_openserver()
|
|
|| no_of_cores_irix()
|
|
|| no_of_cores_tru64()
|
|
|| nproc()
|
|
);
|
|
}
|
|
if($no_of_cores) {
|
|
chomp $no_of_cores;
|
|
return $no_of_cores;
|
|
} else {
|
|
::warning("Cannot figure out number of CPU cores. Using 1.\n");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sub nproc {
|
|
# Returns:
|
|
# Number of cores using `nproc`
|
|
my $no_of_cores = `nproc 2>/dev/null`;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_gnu_linux {
|
|
# Returns:
|
|
# Number of physical CPUs on GNU/Linux
|
|
# undef if not GNU/Linux
|
|
my $no_of_cpus;
|
|
my $no_of_cores;
|
|
if(-e "/proc/cpuinfo") {
|
|
$no_of_cpus = 0;
|
|
$no_of_cores = 0;
|
|
my %seen;
|
|
open(my $in_fh, "<", "/proc/cpuinfo") || return undef;
|
|
while(<$in_fh>) {
|
|
if(/^physical id.*[:](.*)/ and not $seen{$1}++) {
|
|
$no_of_cpus++;
|
|
}
|
|
/^processor.*[:]/i and $no_of_cores++;
|
|
}
|
|
close $in_fh;
|
|
}
|
|
return ($no_of_cpus||$no_of_cores);
|
|
}
|
|
|
|
sub no_of_cores_gnu_linux {
|
|
# Returns:
|
|
# Number of CPU cores on GNU/Linux
|
|
# undef if not GNU/Linux
|
|
my $no_of_cores;
|
|
if(-e "/proc/cpuinfo") {
|
|
$no_of_cores = 0;
|
|
open(my $in_fh, "<", "/proc/cpuinfo") || return undef;
|
|
while(<$in_fh>) {
|
|
/^processor.*[:]/i and $no_of_cores++;
|
|
}
|
|
close $in_fh;
|
|
}
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_freebsd {
|
|
# Returns:
|
|
# Number of physical CPUs on FreeBSD
|
|
# undef if not FreeBSD
|
|
my $no_of_cpus =
|
|
(`sysctl -a dev.cpu 2>/dev/null | grep \%parent | awk '{ print \$2 }' | uniq | wc -l | awk '{ print \$1 }'`
|
|
or
|
|
`sysctl hw.ncpu 2>/dev/null | awk '{ print \$2 }'`);
|
|
chomp $no_of_cpus;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_freebsd {
|
|
# Returns:
|
|
# Number of CPU cores on FreeBSD
|
|
# undef if not FreeBSD
|
|
my $no_of_cores =
|
|
(`sysctl hw.ncpu 2>/dev/null | awk '{ print \$2 }'`
|
|
or
|
|
`sysctl -a hw 2>/dev/null | grep [^a-z]logicalcpu[^a-z] | awk '{ print \$2 }'`);
|
|
chomp $no_of_cores;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_netbsd {
|
|
# Returns:
|
|
# Number of physical CPUs on NetBSD
|
|
# undef if not NetBSD
|
|
my $no_of_cpus = `sysctl -n hw.ncpu 2>/dev/null`;
|
|
chomp $no_of_cpus;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_netbsd {
|
|
# Returns:
|
|
# Number of CPU cores on NetBSD
|
|
# undef if not NetBSD
|
|
my $no_of_cores = `sysctl -n hw.ncpu 2>/dev/null`;
|
|
chomp $no_of_cores;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_openbsd {
|
|
# Returns:
|
|
# Number of physical CPUs on OpenBSD
|
|
# undef if not OpenBSD
|
|
my $no_of_cpus = `sysctl -n hw.ncpu 2>/dev/null`;
|
|
chomp $no_of_cpus;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_openbsd {
|
|
# Returns:
|
|
# Number of CPU cores on OpenBSD
|
|
# undef if not OpenBSD
|
|
my $no_of_cores = `sysctl -n hw.ncpu 2>/dev/null`;
|
|
chomp $no_of_cores;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_hurd {
|
|
# Returns:
|
|
# Number of physical CPUs on HURD
|
|
# undef if not HURD
|
|
my $no_of_cpus = `nproc`;
|
|
chomp $no_of_cpus;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_hurd {
|
|
# Returns:
|
|
# Number of physical CPUs on HURD
|
|
# undef if not HURD
|
|
my $no_of_cores = `nproc`;
|
|
chomp $no_of_cores;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_darwin {
|
|
# Returns:
|
|
# Number of physical CPUs on Mac Darwin
|
|
# undef if not Mac Darwin
|
|
my $no_of_cpus =
|
|
(`sysctl -n hw.physicalcpu 2>/dev/null`
|
|
or
|
|
`sysctl -a hw 2>/dev/null | grep [^a-z]physicalcpu[^a-z] | awk '{ print \$2 }'`);
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_darwin {
|
|
# Returns:
|
|
# Number of CPU cores on Mac Darwin
|
|
# undef if not Mac Darwin
|
|
my $no_of_cores =
|
|
(`sysctl -n hw.logicalcpu 2>/dev/null`
|
|
or
|
|
`sysctl -a hw 2>/dev/null | grep [^a-z]logicalcpu[^a-z] | awk '{ print \$2 }'`);
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_solaris {
|
|
# Returns:
|
|
# Number of physical CPUs on Solaris
|
|
# undef if not Solaris
|
|
if(-x "/usr/sbin/psrinfo") {
|
|
my @psrinfo = `/usr/sbin/psrinfo`;
|
|
if($#psrinfo >= 0) {
|
|
return $#psrinfo +1;
|
|
}
|
|
}
|
|
if(-x "/usr/sbin/prtconf") {
|
|
my @prtconf = `/usr/sbin/prtconf | grep cpu..instance`;
|
|
if($#prtconf >= 0) {
|
|
return $#prtconf +1;
|
|
}
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
sub no_of_cores_solaris {
|
|
# Returns:
|
|
# Number of CPU cores on Solaris
|
|
# undef if not Solaris
|
|
if(-x "/usr/sbin/psrinfo") {
|
|
my @psrinfo = `/usr/sbin/psrinfo`;
|
|
if($#psrinfo >= 0) {
|
|
return $#psrinfo +1;
|
|
}
|
|
}
|
|
if(-x "/usr/sbin/prtconf") {
|
|
my @prtconf = `/usr/sbin/prtconf | grep cpu..instance`;
|
|
if($#prtconf >= 0) {
|
|
return $#prtconf +1;
|
|
}
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
sub no_of_cpus_aix {
|
|
# Returns:
|
|
# Number of physical CPUs on AIX
|
|
# undef if not AIX
|
|
my $no_of_cpus = 0;
|
|
if(-x "/usr/sbin/lscfg") {
|
|
open(my $in_fh, "-|", "/usr/sbin/lscfg -vs |grep proc | wc -l|tr -d ' '")
|
|
|| return undef;
|
|
$no_of_cpus = <$in_fh>;
|
|
chomp ($no_of_cpus);
|
|
close $in_fh;
|
|
}
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_aix {
|
|
# Returns:
|
|
# Number of CPU cores on AIX
|
|
# undef if not AIX
|
|
my $no_of_cores;
|
|
if(-x "/usr/bin/vmstat") {
|
|
open(my $in_fh, "-|", "/usr/bin/vmstat 1 1") || return undef;
|
|
while(<$in_fh>) {
|
|
/lcpu=([0-9]*) / and $no_of_cores = $1;
|
|
}
|
|
close $in_fh;
|
|
}
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_hpux {
|
|
# Returns:
|
|
# Number of physical CPUs on HP-UX
|
|
# undef if not HP-UX
|
|
my $no_of_cpus =
|
|
(`/usr/bin/mpsched -s 2>&1 | grep 'Locality Domain Count' | awk '{ print \$4 }'`);
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_hpux {
|
|
# Returns:
|
|
# Number of CPU cores on HP-UX
|
|
# undef if not HP-UX
|
|
my $no_of_cores =
|
|
(`/usr/bin/mpsched -s 2>&1 | grep 'Processor Count' | awk '{ print \$3 }'`);
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_qnx {
|
|
# Returns:
|
|
# Number of physical CPUs on QNX
|
|
# undef if not QNX
|
|
# BUG: It is now known how to calculate this.
|
|
my $no_of_cpus = 0;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_qnx {
|
|
# Returns:
|
|
# Number of CPU cores on QNX
|
|
# undef if not QNX
|
|
# BUG: It is now known how to calculate this.
|
|
my $no_of_cores = 0;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_openserver {
|
|
# Returns:
|
|
# Number of physical CPUs on SCO OpenServer
|
|
# undef if not SCO OpenServer
|
|
my $no_of_cpus = 0;
|
|
if(-x "/usr/sbin/psrinfo") {
|
|
my @psrinfo = `/usr/sbin/psrinfo`;
|
|
if($#psrinfo >= 0) {
|
|
return $#psrinfo +1;
|
|
}
|
|
}
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_openserver {
|
|
# Returns:
|
|
# Number of CPU cores on SCO OpenServer
|
|
# undef if not SCO OpenServer
|
|
my $no_of_cores = 0;
|
|
if(-x "/usr/sbin/psrinfo") {
|
|
my @psrinfo = `/usr/sbin/psrinfo`;
|
|
if($#psrinfo >= 0) {
|
|
return $#psrinfo +1;
|
|
}
|
|
}
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_irix {
|
|
# Returns:
|
|
# Number of physical CPUs on IRIX
|
|
# undef if not IRIX
|
|
my $no_of_cpus = `hinv | grep HZ | grep Processor | awk '{print \$1}'`;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_irix {
|
|
# Returns:
|
|
# Number of CPU cores on IRIX
|
|
# undef if not IRIX
|
|
my $no_of_cores = `hinv | grep HZ | grep Processor | awk '{print \$1}'`;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub no_of_cpus_tru64 {
|
|
# Returns:
|
|
# Number of physical CPUs on Tru64
|
|
# undef if not Tru64
|
|
my $no_of_cpus = `sizer -pr`;
|
|
return $no_of_cpus;
|
|
}
|
|
|
|
sub no_of_cores_tru64 {
|
|
# Returns:
|
|
# Number of CPU cores on Tru64
|
|
# undef if not Tru64
|
|
my $no_of_cores = `sizer -pr`;
|
|
return $no_of_cores;
|
|
}
|
|
|
|
sub sshcommand {
|
|
my $self = shift;
|
|
if (not defined $self->{'sshcommand'}) {
|
|
$self->sshcommand_of_sshlogin();
|
|
}
|
|
return $self->{'sshcommand'};
|
|
}
|
|
|
|
sub serverlogin {
|
|
my $self = shift;
|
|
if (not defined $self->{'serverlogin'}) {
|
|
$self->sshcommand_of_sshlogin();
|
|
}
|
|
return $self->{'serverlogin'};
|
|
}
|
|
|
|
sub sshcommand_of_sshlogin {
|
|
# 'server' -> ('ssh -S /tmp/parallel-ssh-RANDOM/host-','server')
|
|
# 'user@server' -> ('ssh','user@server')
|
|
# 'myssh user@server' -> ('myssh','user@server')
|
|
# 'myssh -l user server' -> ('myssh -l user','server')
|
|
# '/usr/bin/myssh -l user server' -> ('/usr/bin/myssh -l user','server')
|
|
# Returns:
|
|
# sshcommand - defaults to 'ssh'
|
|
# login@host
|
|
my $self = shift;
|
|
my ($sshcmd, $serverlogin);
|
|
if($self->{'string'} =~ /(.+) (\S+)$/) {
|
|
# Own ssh command
|
|
$sshcmd = $1; $serverlogin = $2;
|
|
} else {
|
|
# Normal ssh
|
|
if($opt::controlmaster) {
|
|
# Use control_path to make ssh faster
|
|
my $control_path = $self->control_path_dir()."/ssh-%r@%h:%p";
|
|
$sshcmd = "ssh -S ".$control_path;
|
|
$serverlogin = $self->{'string'};
|
|
if(not $self->{'control_path'}{$control_path}++) {
|
|
# Master is not running for this control_path
|
|
# Start it
|
|
my $pid = fork();
|
|
if($pid) {
|
|
$Global::sshmaster{$pid} ||= 1;
|
|
} else {
|
|
$SIG{'TERM'} = undef;
|
|
# Ignore the 'foo' being printed
|
|
open(STDOUT,">","/dev/null");
|
|
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
|
|
# STDERR >/dev/null to ignore "process_mux_new_session: tcgetattr: Invalid argument"
|
|
open(STDERR,">","/dev/null");
|
|
open(STDIN,"<","/dev/null");
|
|
# Run a sleep that outputs data, so it will discover if the ssh connection closes.
|
|
my $sleep = ::shell_quote_scalar('$|=1;while(1){sleep 1;print "foo\n"}');
|
|
my @master = ("ssh", "-tt", "-MTS", $control_path, $serverlogin, "perl", "-e", $sleep);
|
|
exec(@master);
|
|
}
|
|
}
|
|
} else {
|
|
$sshcmd = "ssh"; $serverlogin = $self->{'string'};
|
|
}
|
|
}
|
|
$self->{'sshcommand'} = $sshcmd;
|
|
$self->{'serverlogin'} = $serverlogin;
|
|
}
|
|
|
|
sub control_path_dir {
|
|
# Returns:
|
|
# path to directory
|
|
my $self = shift;
|
|
if(not defined $self->{'control_path_dir'}) {
|
|
-e $ENV{'HOME'}."/.parallel" or mkdir $ENV{'HOME'}."/.parallel";
|
|
-e $ENV{'HOME'}."/.parallel/tmp" or mkdir $ENV{'HOME'}."/.parallel/tmp";
|
|
$self->{'control_path_dir'} =
|
|
File::Temp::tempdir($ENV{'HOME'}
|
|
. "/.parallel/tmp/control_path_dir-XXXX",
|
|
CLEANUP => 1);
|
|
}
|
|
return $self->{'control_path_dir'};
|
|
}
|
|
|
|
sub rsync_transfer_cmd {
|
|
# Command to run to transfer a file
|
|
# Input:
|
|
# $file = filename of file to transfer
|
|
# $workdir = destination dir
|
|
# Returns:
|
|
# $cmd = rsync command to run to transfer $file ("" if unreadable)
|
|
my $self = shift;
|
|
my $file = shift;
|
|
my $workdir = shift;
|
|
if(not -r $file) {
|
|
::warning($file, " is not readable and will not be transferred.\n");
|
|
return "true";
|
|
}
|
|
my $rsync_destdir;
|
|
if($file =~ m:^/:) {
|
|
# rsync /foo/bar /
|
|
$rsync_destdir = "/";
|
|
} else {
|
|
$rsync_destdir = ::shell_quote_file($workdir);
|
|
}
|
|
$file = ::shell_quote_file($file);
|
|
my $sshcmd = $self->sshcommand();
|
|
my $rsync_opt = "-rlDzR -e" . ::shell_quote_scalar($sshcmd);
|
|
my $serverlogin = $self->serverlogin();
|
|
# Make dir if it does not exist
|
|
return "( $sshcmd $serverlogin mkdir -p $rsync_destdir;" .
|
|
rsync()." $rsync_opt $file $serverlogin:$rsync_destdir )";
|
|
}
|
|
|
|
sub cleanup_cmd {
|
|
# Command to run to remove the remote file
|
|
# Input:
|
|
# $file = filename to remove
|
|
# $workdir = destination dir
|
|
# Returns:
|
|
# $cmd = ssh command to run to remove $file and empty parent dirs
|
|
my $self = shift;
|
|
my $file = shift;
|
|
my $workdir = shift;
|
|
my $f = $file;
|
|
if($f =~ m:/\./:) {
|
|
# foo/bar/./baz/quux => workdir/baz/quux
|
|
# /foo/bar/./baz/quux => workdir/baz/quux
|
|
$f =~ s:.*/\./:$workdir/:;
|
|
} elsif($f =~ m:^[^/]:) {
|
|
# foo/bar => workdir/foo/bar
|
|
$f = $workdir."/".$f;
|
|
}
|
|
my @subdirs = split m:/:, ::dirname($f);
|
|
my @rmdir;
|
|
my $dir = "";
|
|
for(@subdirs) {
|
|
$dir .= $_."/";
|
|
unshift @rmdir, ::shell_quote_file($dir);
|
|
}
|
|
my $rmdir = @rmdir ? "rmdir @rmdir 2>/dev/null;" : "";
|
|
if(defined $opt::workdir and $opt::workdir eq "...") {
|
|
$rmdir .= "rm -rf " . ::shell_quote_file($workdir).';';
|
|
}
|
|
|
|
$f = ::shell_quote_file($f);
|
|
my $sshcmd = $self->sshcommand();
|
|
my $serverlogin = $self->serverlogin();
|
|
return "$sshcmd $serverlogin ".::shell_quote_scalar("(rm -f $f; $rmdir)");
|
|
}
|
|
|
|
{
|
|
my $rsync;
|
|
|
|
sub rsync {
|
|
# rsync 3.1.x uses protocol 31 which is unsupported by 2.5.7.
|
|
# If the version >= 3.1.0: downgrade to protocol 30
|
|
if(not $rsync) {
|
|
my @out = `rsync --version`;
|
|
for (@out) {
|
|
if(/version (\d+.\d+)(.\d+)?/) {
|
|
if($1 >= 3.1) {
|
|
# Version 3.1.0 or later: Downgrade to protocol 30
|
|
$rsync = "rsync --protocol 30";
|
|
} else {
|
|
$rsync = "rsync";
|
|
}
|
|
}
|
|
}
|
|
$rsync or ::die_bug("Cannot figure out version of rsync: @out");
|
|
}
|
|
return $rsync;
|
|
}
|
|
}
|
|
|
|
|
|
package JobQueue;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $commandref = shift;
|
|
my $read_from = shift;
|
|
my $context_replace = shift;
|
|
my $max_number_of_args = shift;
|
|
my $return_files = shift;
|
|
my $commandlinequeue = CommandLineQueue->new
|
|
($commandref, $read_from, $context_replace, $max_number_of_args,
|
|
$return_files);
|
|
my @unget = ();
|
|
return bless {
|
|
'unget' => \@unget,
|
|
'commandlinequeue' => $commandlinequeue,
|
|
'total_jobs' => undef,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub get {
|
|
my $self = shift;
|
|
|
|
if(@{$self->{'unget'}}) {
|
|
my $job = shift @{$self->{'unget'}};
|
|
return ($job);
|
|
} else {
|
|
my $commandline = $self->{'commandlinequeue'}->get();
|
|
if(defined $commandline) {
|
|
my $job = Job->new($commandline);
|
|
return $job;
|
|
} else {
|
|
return undef;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub unget {
|
|
my $self = shift;
|
|
unshift @{$self->{'unget'}}, @_;
|
|
}
|
|
|
|
sub empty {
|
|
my $self = shift;
|
|
my $empty = (not @{$self->{'unget'}})
|
|
&& $self->{'commandlinequeue'}->empty();
|
|
::debug("run", "JobQueue->empty $empty ");
|
|
return $empty;
|
|
}
|
|
|
|
sub total_jobs {
|
|
my $self = shift;
|
|
if(not defined $self->{'total_jobs'}) {
|
|
my $job;
|
|
my @queue;
|
|
my $start = time;
|
|
while($job = $self->get()) {
|
|
if(time - $start > 10) {
|
|
::warning("Reading all arguments takes longer than 10 seconds.\n");
|
|
$opt::eta && ::warning("Consider removing --eta.\n");
|
|
$opt::bar && ::warning("Consider removing --bar.\n");
|
|
last;
|
|
}
|
|
push @queue, $job;
|
|
}
|
|
while($job = $self->get()) {
|
|
push @queue, $job;
|
|
}
|
|
|
|
$self->unget(@queue);
|
|
$self->{'total_jobs'} = $#queue+1;
|
|
}
|
|
return $self->{'total_jobs'};
|
|
}
|
|
|
|
sub next_seq {
|
|
my $self = shift;
|
|
|
|
return $self->{'commandlinequeue'}->seq();
|
|
}
|
|
|
|
sub quote_args {
|
|
my $self = shift;
|
|
return $self->{'commandlinequeue'}->quote_args();
|
|
}
|
|
|
|
|
|
package Job;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $commandlineref = shift;
|
|
return bless {
|
|
'commandline' => $commandlineref, # CommandLine object
|
|
'workdir' => undef, # --workdir
|
|
'stdin' => undef, # filehandle for stdin (used for --pipe)
|
|
# filename for writing stdout to (used for --files)
|
|
'remaining' => "", # remaining data not sent to stdin (used for --pipe)
|
|
'datawritten' => 0, # amount of data sent via stdin (used for --pipe)
|
|
'transfersize' => 0, # size of files using --transfer
|
|
'returnsize' => 0, # size of files using --return
|
|
'pid' => undef,
|
|
# hash of { SSHLogins => number of times the command failed there }
|
|
'failed' => undef,
|
|
'sshlogin' => undef,
|
|
# The commandline wrapped with rsync and ssh
|
|
'sshlogin_wrap' => undef,
|
|
'exitstatus' => undef,
|
|
'exitsignal' => undef,
|
|
# Timestamp for timeout if any
|
|
'timeout' => undef,
|
|
'virgin' => 1,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub replaced {
|
|
my $self = shift;
|
|
$self->{'commandline'} or ::die_bug("commandline empty");
|
|
return $self->{'commandline'}->replaced();
|
|
}
|
|
|
|
sub seq {
|
|
my $self = shift;
|
|
return $self->{'commandline'}->seq();
|
|
}
|
|
|
|
sub slot {
|
|
my $self = shift;
|
|
return $self->{'commandline'}->slot();
|
|
}
|
|
|
|
{
|
|
my($cattail);
|
|
|
|
sub cattail {
|
|
# Returns:
|
|
# $cattail = perl program for: cattail "decompress program" writerpid [file_to_decompress or stdin] [file_to_unlink]
|
|
if(not $cattail) {
|
|
$cattail = q{
|
|
# cat followed by tail.
|
|
# If $writerpid dead: finish after this round
|
|
use Fcntl;
|
|
|
|
$|=1;
|
|
|
|
my ($cmd, $writerpid, $read_file, $unlink_file) = @ARGV;
|
|
if($read_file) {
|
|
open(IN,"<",$read_file) || die("cattail: Cannot open $read_file");
|
|
} else {
|
|
*IN = *STDIN;
|
|
}
|
|
|
|
my $flags;
|
|
fcntl(IN, F_GETFL, $flags) || die $!; # Get the current flags on the filehandle
|
|
$flags |= O_NONBLOCK; # Add non-blocking to the flags
|
|
fcntl(IN, F_SETFL, $flags) || die $!; # Set the flags on the filehandle
|
|
open(OUT,"|-",$cmd) || die("cattail: Cannot run $cmd");
|
|
|
|
while(1) {
|
|
# clear EOF
|
|
seek(IN,0,1);
|
|
my $writer_running = kill 0, $writerpid;
|
|
$read = sysread(IN,$buf,32768);
|
|
if($read) {
|
|
# We can unlink the file now: The writer has written something
|
|
-e $unlink_file and unlink $unlink_file;
|
|
# Blocking print
|
|
while($buf) {
|
|
my $bytes_written = syswrite(OUT,$buf);
|
|
# syswrite may be interrupted by SIGHUP
|
|
substr($buf,0,$bytes_written) = "";
|
|
}
|
|
# Something printed: Wait less next time
|
|
$sleep /= 2;
|
|
} else {
|
|
if(eof(IN) and not $writer_running) {
|
|
# Writer dead: There will never be more to read => exit
|
|
exit;
|
|
}
|
|
# TODO This could probably be done more efficiently using select(2)
|
|
# Nothing read: Wait longer before next read
|
|
# Up to 30 milliseconds
|
|
$sleep = ($sleep < 30) ? ($sleep * 1.001 + 0.01) : ($sleep);
|
|
usleep($sleep);
|
|
}
|
|
}
|
|
|
|
sub usleep {
|
|
# Sleep this many milliseconds.
|
|
my $secs = shift;
|
|
select(undef, undef, undef, $secs/1000);
|
|
}
|
|
};
|
|
$cattail =~ s/#.*//mg;
|
|
$cattail =~ s/\s+/ /g;
|
|
}
|
|
return $cattail;
|
|
}
|
|
}
|
|
|
|
sub openoutputfiles {
|
|
# Open files for STDOUT and STDERR
|
|
# Set file handles in $self->fh
|
|
my $self = shift;
|
|
my ($outfhw, $errfhw, $outname, $errname);
|
|
if($opt::results) {
|
|
my $args_as_dirname = $self->{'commandline'}->args_as_dirname();
|
|
# Output in: prefix/name1/val1/name2/val2/stdout
|
|
my $dir = $opt::results."/".$args_as_dirname;
|
|
if(eval{ File::Path::mkpath($dir); }) {
|
|
# OK
|
|
} else {
|
|
# mkpath failed: Argument probably too long.
|
|
# Set $Global::max_file_length, which will keep the individual
|
|
# dir names shorter than the max length
|
|
max_file_name_length($opt::results);
|
|
$args_as_dirname = $self->{'commandline'}->args_as_dirname();
|
|
# prefix/name1/val1/name2/val2/
|
|
$dir = $opt::results."/".$args_as_dirname;
|
|
File::Path::mkpath($dir);
|
|
}
|
|
# prefix/name1/val1/name2/val2/stdout
|
|
$outname = "$dir/stdout";
|
|
if(not open($outfhw, "+>", $outname)) {
|
|
::error("Cannot write to `$outname'.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
# prefix/name1/val1/name2/val2/stderr
|
|
$errname = "$dir/stderr";
|
|
if(not open($errfhw, "+>", $errname)) {
|
|
::error("Cannot write to `$errname'.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
$self->set_fh(1,"unlink","");
|
|
$self->set_fh(2,"unlink","");
|
|
} elsif(not $opt::ungroup) {
|
|
# To group we create temporary files for STDOUT and STDERR
|
|
# To avoid the cleanup unlink the files immediately (but keep them open)
|
|
if(@Global::tee_jobs) {
|
|
# files must be removed when the tee is done
|
|
} elsif($opt::files) {
|
|
($outfhw, $outname) = ::tmpfile(SUFFIX => ".par");
|
|
($errfhw, $errname) = ::tmpfile(SUFFIX => ".par");
|
|
# --files => only remove stderr
|
|
$self->set_fh(1,"unlink","");
|
|
$self->set_fh(2,"unlink",$errname);
|
|
} else {
|
|
($outfhw, $outname) = ::tmpfile(SUFFIX => ".par");
|
|
($errfhw, $errname) = ::tmpfile(SUFFIX => ".par");
|
|
$self->set_fh(1,"unlink",$outname);
|
|
$self->set_fh(2,"unlink",$errname);
|
|
}
|
|
} else {
|
|
# --ungroup
|
|
open($outfhw,">&",$Global::fd{1}) || die;
|
|
open($errfhw,">&",$Global::fd{2}) || die;
|
|
# File name must be empty as it will otherwise be printed
|
|
$outname = "";
|
|
$errname = "";
|
|
$self->set_fh(1,"unlink",$outname);
|
|
$self->set_fh(2,"unlink",$errname);
|
|
}
|
|
# Set writing FD
|
|
$self->set_fh(1,'w',$outfhw);
|
|
$self->set_fh(2,'w',$errfhw);
|
|
$self->set_fh(1,'name',$outname);
|
|
$self->set_fh(2,'name',$errname);
|
|
if($opt::compress) {
|
|
# Send stdout to stdin for $opt::compress_program(1)
|
|
# Send stderr to stdin for $opt::compress_program(2)
|
|
# cattail get pid: $pid = $self->fh($fdno,'rpid');
|
|
my $cattail = cattail();
|
|
for my $fdno (1,2) {
|
|
my $wpid = open(my $fdw,"|-","$opt::compress_program >>".
|
|
$self->fh($fdno,'name')) || die $?;
|
|
$self->set_fh($fdno,'w',$fdw);
|
|
$self->set_fh($fdno,'wpid',$wpid);
|
|
my $rpid = open(my $fdr, "-|", "perl", "-e", $cattail,
|
|
$opt::decompress_program, $wpid,
|
|
$self->fh($fdno,'name'),$self->fh($fdno,'unlink')) || die $?;
|
|
$self->set_fh($fdno,'r',$fdr);
|
|
$self->set_fh($fdno,'rpid',$rpid);
|
|
}
|
|
} elsif(not $opt::ungroup) {
|
|
# Set reading FD if using --group (--ungroup does not need)
|
|
for my $fdno (1,2) {
|
|
# Re-open the file for reading
|
|
# so fdw can be closed separately
|
|
# and fdr can be seeked separately (for --line-buffer)
|
|
open(my $fdr,"<", $self->fh($fdno,'name')) ||
|
|
::die_bug("fdr: Cannot open ".$self->fh($fdno,'name'));
|
|
$self->set_fh($fdno,'r',$fdr);
|
|
# Unlink if required
|
|
$Global::debug or unlink $self->fh($fdno,"unlink");
|
|
}
|
|
}
|
|
if($opt::linebuffer) {
|
|
# Set non-blocking when using --linebuffer
|
|
$Global::use{"Fcntl"} ||= eval "use Fcntl qw(:DEFAULT :flock); 1;";
|
|
for my $fdno (1,2) {
|
|
my $fdr = $self->fh($fdno,'r');
|
|
my $flags;
|
|
fcntl($fdr, &F_GETFL, $flags) || die $!; # Get the current flags on the filehandle
|
|
$flags |= &O_NONBLOCK; # Add non-blocking to the flags
|
|
fcntl($fdr, &F_SETFL, $flags) || die $!; # Set the flags on the filehandle
|
|
}
|
|
}
|
|
}
|
|
|
|
sub max_file_name_length {
|
|
# Figure out the max length of a subdir
|
|
# TODO and the max total length
|
|
# Ext4 = 255,130816
|
|
my $testdir = shift;
|
|
|
|
my $upper = 8_000_000;
|
|
my $len = 8;
|
|
my $dir="x"x$len;
|
|
do {
|
|
rmdir($testdir."/".$dir);
|
|
$len *= 16;
|
|
$dir="x"x$len;
|
|
} while (mkdir $testdir."/".$dir);
|
|
# Then search for the actual max length between $len/16 and $len
|
|
my $min = $len/16;
|
|
my $max = $len;
|
|
while($max-$min > 5) {
|
|
# If we are within 5 chars of the exact value:
|
|
# it is not worth the extra time to find the exact value
|
|
my $test = int(($min+$max)/2);
|
|
$dir="x"x$test;
|
|
if(mkdir $testdir."/".$dir) {
|
|
rmdir($testdir."/".$dir);
|
|
$min = $test;
|
|
} else {
|
|
$max = $test;
|
|
}
|
|
}
|
|
$Global::max_file_length = $min;
|
|
return $min;
|
|
}
|
|
|
|
sub set_fh {
|
|
# Set file handle
|
|
my ($self, $fd_no, $key, $fh) = @_;
|
|
$self->{'fd'}{$fd_no,$key} = $fh;
|
|
}
|
|
|
|
sub fh {
|
|
# Get file handle
|
|
my ($self, $fd_no, $key) = @_;
|
|
return $self->{'fd'}{$fd_no,$key};
|
|
}
|
|
|
|
sub write {
|
|
my $self = shift;
|
|
my $remaining_ref = shift;
|
|
my $stdin_fh = $self->fh(0,"w");
|
|
syswrite($stdin_fh,$$remaining_ref);
|
|
}
|
|
|
|
sub set_stdin_buffer {
|
|
# Copy stdin buffer from $block_ref up to $endpos
|
|
# Prepend with $header_ref
|
|
# Remove $recstart and $recend if needed
|
|
# Input:
|
|
# $header_ref = ref to $header to prepend
|
|
# $block_ref = ref to $block to pass on
|
|
# $endpos = length of $block to pass on
|
|
# $recstart = --recstart regexp
|
|
# $recend = --recend regexp
|
|
# Returns:
|
|
# N/A
|
|
my $self = shift;
|
|
my ($header_ref,$block_ref,$endpos,$recstart,$recend) = @_;
|
|
$self->{'stdin_buffer'} = ($self->virgin() ? $$header_ref : "").substr($$block_ref,0,$endpos);
|
|
if($opt::remove_rec_sep) {
|
|
remove_rec_sep(\$self->{'stdin_buffer'},$recstart,$recend);
|
|
}
|
|
$self->{'stdin_buffer_length'} = length $self->{'stdin_buffer'};
|
|
$self->{'stdin_buffer_pos'} = 0;
|
|
}
|
|
|
|
sub stdin_buffer_length {
|
|
my $self = shift;
|
|
return $self->{'stdin_buffer_length'};
|
|
}
|
|
|
|
sub remove_rec_sep {
|
|
my ($block_ref,$recstart,$recend) = @_;
|
|
# Remove record separator
|
|
$$block_ref =~ s/$recend$recstart//gos;
|
|
$$block_ref =~ s/^$recstart//os;
|
|
$$block_ref =~ s/$recend$//os;
|
|
}
|
|
|
|
sub non_block_write {
|
|
my $self = shift;
|
|
my $something_written = 0;
|
|
use POSIX qw(:errno_h);
|
|
# use Fcntl;
|
|
# my $flags = '';
|
|
for my $buf (substr($self->{'stdin_buffer'},$self->{'stdin_buffer_pos'})) {
|
|
my $in = $self->fh(0,"w");
|
|
# fcntl($in, F_GETFL, $flags)
|
|
# or die "Couldn't get flags for HANDLE : $!\n";
|
|
# $flags |= O_NONBLOCK;
|
|
# fcntl($in, F_SETFL, $flags)
|
|
# or die "Couldn't set flags for HANDLE: $!\n";
|
|
my $rv = syswrite($in, $buf);
|
|
if (!defined($rv) && $! == EAGAIN) {
|
|
# would block
|
|
$something_written = 0;
|
|
} elsif ($self->{'stdin_buffer_pos'}+$rv != $self->{'stdin_buffer_length'}) {
|
|
# incomplete write
|
|
# Remove the written part
|
|
$self->{'stdin_buffer_pos'} += $rv;
|
|
$something_written = $rv;
|
|
} else {
|
|
# successfully wrote everything
|
|
my $a="";
|
|
$self->set_stdin_buffer(\$a,\$a,"","");
|
|
$something_written = $rv;
|
|
}
|
|
}
|
|
|
|
::debug("pipe", "Non-block: ", $something_written);
|
|
return $something_written;
|
|
}
|
|
|
|
|
|
sub virgin {
|
|
my $self = shift;
|
|
return $self->{'virgin'};
|
|
}
|
|
|
|
sub set_virgin {
|
|
my $self = shift;
|
|
$self->{'virgin'} = shift;
|
|
}
|
|
|
|
sub pid {
|
|
my $self = shift;
|
|
return $self->{'pid'};
|
|
}
|
|
|
|
sub set_pid {
|
|
my $self = shift;
|
|
$self->{'pid'} = shift;
|
|
}
|
|
|
|
sub starttime {
|
|
# Returns:
|
|
# UNIX-timestamp this job started
|
|
my $self = shift;
|
|
return sprintf("%.3f",$self->{'starttime'});
|
|
}
|
|
|
|
sub set_starttime {
|
|
my $self = shift;
|
|
my $starttime = shift || ::now();
|
|
$self->{'starttime'} = $starttime;
|
|
}
|
|
|
|
sub runtime {
|
|
# Returns:
|
|
# Run time in seconds
|
|
my $self = shift;
|
|
return sprintf("%.3f",int(($self->endtime() - $self->starttime())*1000)/1000);
|
|
}
|
|
|
|
sub endtime {
|
|
# Returns:
|
|
# UNIX-timestamp this job ended
|
|
# 0 if not ended yet
|
|
my $self = shift;
|
|
return ($self->{'endtime'} || 0);
|
|
}
|
|
|
|
sub set_endtime {
|
|
my $self = shift;
|
|
my $endtime = shift;
|
|
$self->{'endtime'} = $endtime;
|
|
}
|
|
|
|
sub timedout {
|
|
# Is the job timedout?
|
|
# Input:
|
|
# $delta_time = time that the job may run
|
|
# Returns:
|
|
# True or false
|
|
my $self = shift;
|
|
my $delta_time = shift;
|
|
return time > $self->{'starttime'} + $delta_time;
|
|
}
|
|
|
|
sub kill {
|
|
# Kill the job.
|
|
# Send the signals to (grand)*children and pid.
|
|
# If no signals: TERM TERM KILL
|
|
# Wait 200 ms after each TERM.
|
|
# Input:
|
|
# @signals = signals to send
|
|
my $self = shift;
|
|
my @signals = @_;
|
|
my @family_pids = $self->family_pids();
|
|
# Record this jobs as failed
|
|
$self->set_exitstatus(-1);
|
|
# Send two TERMs to give time to clean up
|
|
::debug("run", "Kill seq ", $self->seq(), "\n");
|
|
my @send_signals = @signals || ("TERM", "TERM", "KILL");
|
|
for my $signal (@send_signals) {
|
|
my $alive = 0;
|
|
for my $pid (@family_pids) {
|
|
if(kill 0, $pid) {
|
|
# The job still running
|
|
kill $signal, $pid;
|
|
$alive = 1;
|
|
}
|
|
}
|
|
# If a signal was given as input, do not do the sleep below
|
|
@signals and next;
|
|
|
|
if($signal eq "TERM" and $alive) {
|
|
# Wait up to 200 ms between TERMs - but only if any pids are alive
|
|
my $sleep = 1;
|
|
for (my $sleepsum = 0; kill 0, $family_pids[0] and $sleepsum < 200;
|
|
$sleepsum += $sleep) {
|
|
$sleep = ::reap_usleep($sleep);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub family_pids {
|
|
# Find the pids with this->pid as (grand)*parent
|
|
# Returns:
|
|
# @pids = pids of (grand)*children
|
|
my $self = shift;
|
|
my $pid = $self->pid();
|
|
my @pids;
|
|
|
|
my ($children_of_ref, $parent_of_ref, $name_of_ref) = ::pid_table();
|
|
|
|
my @more = ($pid);
|
|
# While more (grand)*children
|
|
while(@more) {
|
|
my @m;
|
|
push @pids, @more;
|
|
for my $parent (@more) {
|
|
if($children_of_ref->{$parent}) {
|
|
# add the children of this parent
|
|
push @m, @{$children_of_ref->{$parent}};
|
|
}
|
|
}
|
|
@more = @m;
|
|
}
|
|
return (@pids);
|
|
}
|
|
|
|
sub failed {
|
|
# return number of times failed for this $sshlogin
|
|
# Input:
|
|
# $sshlogin
|
|
# Returns:
|
|
# Number of times failed for $sshlogin
|
|
my $self = shift;
|
|
my $sshlogin = shift;
|
|
return $self->{'failed'}{$sshlogin};
|
|
}
|
|
|
|
sub failed_here {
|
|
# return number of times failed for the current $sshlogin
|
|
# Returns:
|
|
# Number of times failed for this sshlogin
|
|
my $self = shift;
|
|
return $self->{'failed'}{$self->sshlogin()};
|
|
}
|
|
|
|
sub add_failed {
|
|
# increase the number of times failed for this $sshlogin
|
|
my $self = shift;
|
|
my $sshlogin = shift;
|
|
$self->{'failed'}{$sshlogin}++;
|
|
}
|
|
|
|
sub add_failed_here {
|
|
# increase the number of times failed for the current $sshlogin
|
|
my $self = shift;
|
|
$self->{'failed'}{$self->sshlogin()}++;
|
|
}
|
|
|
|
sub reset_failed {
|
|
# increase the number of times failed for this $sshlogin
|
|
my $self = shift;
|
|
my $sshlogin = shift;
|
|
delete $self->{'failed'}{$sshlogin};
|
|
}
|
|
|
|
sub reset_failed_here {
|
|
# increase the number of times failed for this $sshlogin
|
|
my $self = shift;
|
|
delete $self->{'failed'}{$self->sshlogin()};
|
|
}
|
|
|
|
sub min_failed {
|
|
# Returns:
|
|
# the number of sshlogins this command has failed on
|
|
# the minimal number of times this command has failed
|
|
my $self = shift;
|
|
my $min_failures =
|
|
::min(map { $self->{'failed'}{$_} } keys %{$self->{'failed'}});
|
|
my $number_of_sshlogins_failed_on = scalar keys %{$self->{'failed'}};
|
|
return ($number_of_sshlogins_failed_on,$min_failures);
|
|
}
|
|
|
|
sub total_failed {
|
|
# Returns:
|
|
# $total_failures = the number of times this command has failed
|
|
my $self = shift;
|
|
my $total_failures = 0;
|
|
for (values %{$self->{'failed'}}) {
|
|
$total_failures += $_;
|
|
}
|
|
return $total_failures;
|
|
}
|
|
|
|
sub wrapped {
|
|
# Wrap command with:
|
|
# * --shellquote
|
|
# * --nice
|
|
# * --cat
|
|
# * --fifo
|
|
# * --sshlogin
|
|
# * --pipepart (@Global::cat_partials)
|
|
# * --pipe
|
|
# * --tmux
|
|
# The ordering of the wrapping is important:
|
|
# * --nice/--cat/--fifo should be done on the remote machine
|
|
# * --pipepart/--pipe should be done on the local machine inside --tmux
|
|
# Uses:
|
|
# $Global::envvar
|
|
# $opt::shellquote
|
|
# $opt::nice
|
|
# $Global::shell
|
|
# $opt::cat
|
|
# $opt::fifo
|
|
# @Global::cat_partials
|
|
# $opt::pipe
|
|
# $opt::tmux
|
|
# Returns:
|
|
# $self->{'wrapped'} = the command wrapped with the above
|
|
my $self = shift;
|
|
if(not defined $self->{'wrapped'}) {
|
|
my $command = $Global::envvar.$self->replaced();
|
|
if($opt::shellquote) {
|
|
# Prepend echo
|
|
# and quote twice
|
|
$command = "echo " .
|
|
::shell_quote_scalar(::shell_quote_scalar($command));
|
|
}
|
|
if($opt::nice) {
|
|
# Prepend \nice -n19 $SHELL -c
|
|
# and quote.
|
|
# The '\' before nice is needed to avoid tcsh's built-in
|
|
$command = '\nice'. " -n". $opt::nice. " ".
|
|
$Global::shell. " -c ".
|
|
::shell_quote_scalar($command);
|
|
}
|
|
if($opt::cat) {
|
|
# Prepend 'cat > {};'
|
|
# Append '_EXIT=$?;(rm {};exit $_EXIT)'
|
|
$command =
|
|
$self->{'commandline'}->replace_placeholders(["cat > \257<\257>; "], 0, 0).
|
|
$command.
|
|
$self->{'commandline'}->replace_placeholders(
|
|
["; _EXIT=\$?; rm \257<\257>; exit \$_EXIT"], 0, 0);
|
|
} elsif($opt::fifo) {
|
|
# Prepend 'mkfifo {}; ('
|
|
# Append ') & _PID=$!; cat > {}; wait $_PID; _EXIT=$?;(rm {};exit $_EXIT)'
|
|
$command =
|
|
$self->{'commandline'}->replace_placeholders(["mkfifo \257<\257>; ("], 0, 0).
|
|
$command.
|
|
$self->{'commandline'}->replace_placeholders([") & _PID=\$!; cat > \257<\257>; ",
|
|
"wait \$_PID; _EXIT=\$?; ",
|
|
"rm \257<\257>; exit \$_EXIT"],
|
|
0,0);
|
|
}
|
|
# Wrap with ssh + tranferring of files
|
|
$command = $self->sshlogin_wrap($command);
|
|
if(@Global::cat_partials) {
|
|
# Prepend:
|
|
# < /tmp/foo perl -e 'while(@ARGV) { sysseek(STDIN,shift,0) || die; $left = shift; while($read = sysread(STDIN,$buf, ($left > 32768 ? 32768 : $left))){ $left -= $read; syswrite(STDOUT,$buf); } }' 0 0 0 11 |
|
|
$command = (shift @Global::cat_partials). "|". "(". $command. ")";
|
|
} elsif($opt::pipe) {
|
|
# Prepend EOF-detector to avoid starting $command if EOF.
|
|
# The $tmpfile might exist if run on a remote system - we accept that risk
|
|
my ($dummy_fh, $tmpfile) = ::tmpfile(SUFFIX => ".chr");
|
|
# Unlink to avoid leaving files if --dry-run or --sshlogin
|
|
unlink $tmpfile;
|
|
$command =
|
|
# Exit value:
|
|
# empty input = true
|
|
# some input = exit val from command
|
|
qq{ sh -c 'dd bs=1 count=1 of=$tmpfile 2>/dev/null'; }.
|
|
qq{ test \! -s "$tmpfile" && rm -f "$tmpfile" && exec true; }.
|
|
qq{ (cat $tmpfile; rm $tmpfile; cat - ) | }.
|
|
"($command);";
|
|
}
|
|
if($opt::tmux) {
|
|
# Wrap command with 'tmux'
|
|
$command = $self->tmux_wrap($command);
|
|
}
|
|
$self->{'wrapped'} = $command;
|
|
}
|
|
return $self->{'wrapped'};
|
|
}
|
|
|
|
sub set_sshlogin {
|
|
my $self = shift;
|
|
my $sshlogin = shift;
|
|
$self->{'sshlogin'} = $sshlogin;
|
|
delete $self->{'sshlogin_wrap'}; # If sshlogin is changed the wrap is wrong
|
|
delete $self->{'wrapped'};
|
|
}
|
|
|
|
sub sshlogin {
|
|
my $self = shift;
|
|
return $self->{'sshlogin'};
|
|
}
|
|
|
|
sub sshlogin_wrap {
|
|
# Wrap the command with the commands needed to run remotely
|
|
# Returns:
|
|
# $self->{'sshlogin_wrap'} = command wrapped with ssh+transfer commands
|
|
my $self = shift;
|
|
my $command = shift;
|
|
if(not defined $self->{'sshlogin_wrap'}) {
|
|
my $sshlogin = $self->sshlogin();
|
|
my $sshcmd = $sshlogin->sshcommand();
|
|
my $serverlogin = $sshlogin->serverlogin();
|
|
my ($pre,$post,$cleanup)=("","","");
|
|
|
|
if($serverlogin eq ":") {
|
|
# No transfer neeeded
|
|
$self->{'sshlogin_wrap'} = $command;
|
|
} else {
|
|
# --transfer
|
|
$pre .= $self->sshtransfer();
|
|
# --return
|
|
$post .= $self->sshreturn();
|
|
# --cleanup
|
|
$post .= $self->sshcleanup();
|
|
if($post) {
|
|
# We need to save the exit status of the job
|
|
$post = '_EXIT_status=$?; ' . $post . ' exit $_EXIT_status;';
|
|
}
|
|
# If the remote login shell is (t)csh then use 'setenv'
|
|
# otherwise use 'export'
|
|
# We cannot use parse_env_var(), as PARALLEL_SEQ changes
|
|
# for each command
|
|
my $parallel_env =
|
|
($Global::envwarn
|
|
. q{ 'eval `echo $SHELL | grep "/t\\{0,1\\}csh" > /dev/null }
|
|
. q{ && echo setenv PARALLEL_SEQ '$PARALLEL_SEQ'\; }
|
|
. q{ setenv PARALLEL_PID '$PARALLEL_PID' }
|
|
. q{ || echo PARALLEL_SEQ='$PARALLEL_SEQ'\;export PARALLEL_SEQ\; }
|
|
. q{ PARALLEL_PID='$PARALLEL_PID'\;export PARALLEL_PID` ;' });
|
|
my $remote_pre = "";
|
|
my $ssh_options = "";
|
|
if(($opt::pipe or $opt::pipepart) and $opt::ctrlc
|
|
or
|
|
not ($opt::pipe or $opt::pipepart) and not $opt::noctrlc) {
|
|
# TODO Determine if this is needed
|
|
# Propagating CTRL-C to kill remote jobs requires
|
|
# remote jobs to be run with a terminal.
|
|
$ssh_options = "-tt -oLogLevel=quiet";
|
|
# $ssh_options = "";
|
|
# tty - check if we have a tty.
|
|
# stty:
|
|
# -onlcr - make output 8-bit clean
|
|
# isig - pass CTRL-C as signal
|
|
# -echo - do not echo input
|
|
$remote_pre .= ::shell_quote_scalar('tty >/dev/null && stty isig -onlcr -echo;');
|
|
}
|
|
if($opt::workdir) {
|
|
my $wd = ::shell_quote_file($self->workdir());
|
|
$remote_pre .= ::shell_quote_scalar("mkdir -p ") . $wd .
|
|
::shell_quote_scalar("; cd ") . $wd .
|
|
# exit 255 (instead of exec false) would be the correct thing,
|
|
# but that fails on tcsh
|
|
::shell_quote_scalar(qq{ || exec false;});
|
|
}
|
|
# This script is to solve the problem of
|
|
# * not mixing STDERR and STDOUT
|
|
# * terminating with ctrl-c
|
|
# It works on Linux but not Solaris
|
|
# Finishes on Solaris, but wrong exit code:
|
|
# $SIG{CHLD} = sub {exit ($?&127 ? 128+($?&127) : 1+$?>>8)};
|
|
# Hangs on Solaris, but correct exit code on Linux:
|
|
# $SIG{CHLD} = sub { $done = 1 };
|
|
# $p->poll;
|
|
my $signal_script = "perl -e '".
|
|
q{
|
|
use IO::Poll;
|
|
$SIG{CHLD} = sub { $done = 1 };
|
|
$p = IO::Poll->new;
|
|
$p->mask(STDOUT, POLLHUP);
|
|
$pid=fork; unless($pid) {setpgrp; exec $ENV{SHELL}, "-c", @ARGV; die "exec: $!\n"}
|
|
$p->poll;
|
|
kill SIGHUP, -${pid} unless $done;
|
|
wait; exit ($?&127 ? 128+($?&127) : 1+$?>>8)
|
|
} . "' ";
|
|
$signal_script =~ s/\s+/ /g;
|
|
|
|
$self->{'sshlogin_wrap'} =
|
|
($pre
|
|
. "$sshcmd $ssh_options $serverlogin $parallel_env "
|
|
. $remote_pre
|
|
# . ::shell_quote_scalar($signal_script . ::shell_quote_scalar($command))
|
|
. ::shell_quote_scalar($command)
|
|
. ";"
|
|
. $post);
|
|
}
|
|
}
|
|
return $self->{'sshlogin_wrap'};
|
|
}
|
|
|
|
sub transfer {
|
|
# Files to transfer
|
|
# Returns:
|
|
# @transfer - File names of files to transfer
|
|
my $self = shift;
|
|
my @transfer = ();
|
|
$self->{'transfersize'} = 0;
|
|
if($opt::transfer) {
|
|
for my $record (@{$self->{'commandline'}{'arg_list'}}) {
|
|
# Merge arguments from records into args
|
|
for my $arg (@$record) {
|
|
CORE::push @transfer, $arg->orig();
|
|
# filesize
|
|
if(-e $arg->orig()) {
|
|
$self->{'transfersize'} += (stat($arg->orig()))[7];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return @transfer;
|
|
}
|
|
|
|
sub transfersize {
|
|
my $self = shift;
|
|
return $self->{'transfersize'};
|
|
}
|
|
|
|
sub sshtransfer {
|
|
# Returns for each transfer file:
|
|
# rsync $file remote:$workdir
|
|
my $self = shift;
|
|
my @pre;
|
|
my $sshlogin = $self->sshlogin();
|
|
my $workdir = $self->workdir();
|
|
for my $file ($self->transfer()) {
|
|
push @pre, $sshlogin->rsync_transfer_cmd($file,$workdir).";";
|
|
}
|
|
return join("",@pre);
|
|
}
|
|
|
|
sub return {
|
|
# Files to return
|
|
# Non-quoted and with {...} substituted
|
|
# Returns:
|
|
# @non_quoted_filenames
|
|
my $self = shift;
|
|
return $self->{'commandline'}->
|
|
replace_placeholders($self->{'commandline'}{'return_files'},0,0);
|
|
}
|
|
|
|
sub returnsize {
|
|
# This is called after the job has finished
|
|
# Returns:
|
|
# $number_of_bytes transferred in return
|
|
my $self = shift;
|
|
for my $file ($self->return()) {
|
|
if(-e $file) {
|
|
$self->{'returnsize'} += (stat($file))[7];
|
|
}
|
|
}
|
|
return $self->{'returnsize'};
|
|
}
|
|
|
|
sub sshreturn {
|
|
# Returns for each return-file:
|
|
# rsync remote:$workdir/$file .
|
|
my $self = shift;
|
|
my $sshlogin = $self->sshlogin();
|
|
my $sshcmd = $sshlogin->sshcommand();
|
|
my $serverlogin = $sshlogin->serverlogin();
|
|
my $rsync_opt = "-rlDzR -e".::shell_quote_scalar($sshcmd);
|
|
my $pre = "";
|
|
for my $file ($self->return()) {
|
|
$file =~ s:^\./::g; # Remove ./ if any
|
|
my $relpath = ($file !~ m:^/:); # Is the path relative?
|
|
my $cd = "";
|
|
my $wd = "";
|
|
if($relpath) {
|
|
# rsync -avR /foo/./bar/baz.c remote:/tmp/
|
|
# == (on old systems)
|
|
# rsync -avR --rsync-path="cd /foo; rsync" remote:bar/baz.c /tmp/
|
|
$wd = ::shell_quote_file($self->workdir()."/");
|
|
}
|
|
# Only load File::Basename if actually needed
|
|
$Global::use{"File::Basename"} ||= eval "use File::Basename; 1;";
|
|
# dir/./file means relative to dir, so remove dir on remote
|
|
$file =~ m:(.*)/\./:;
|
|
my $basedir = $1 ? ::shell_quote_file($1."/") : "";
|
|
my $nobasedir = $file;
|
|
$nobasedir =~ s:.*/\./::;
|
|
$cd = ::shell_quote_file(::dirname($nobasedir));
|
|
my $rsync_cd = '--rsync-path='.::shell_quote_scalar("cd $wd$cd; rsync");
|
|
my $basename = ::shell_quote_scalar(::shell_quote_file(basename($file)));
|
|
# --return
|
|
# mkdir -p /home/tange/dir/subdir/;
|
|
# rsync (--protocol 30) -rlDzR --rsync-path="cd /home/tange/dir/subdir/; rsync"
|
|
# server:file.gz /home/tange/dir/subdir/
|
|
$pre .= "mkdir -p $basedir$cd; ".$sshlogin->rsync()." $rsync_cd $rsync_opt $serverlogin:".
|
|
$basename . " ".$basedir.$cd.";";
|
|
}
|
|
return $pre;
|
|
}
|
|
|
|
sub sshcleanup {
|
|
# Return the sshcommand needed to remove the file
|
|
# Returns:
|
|
# ssh command needed to remove files from sshlogin
|
|
my $self = shift;
|
|
my $sshlogin = $self->sshlogin();
|
|
my $sshcmd = $sshlogin->sshcommand();
|
|
my $serverlogin = $sshlogin->serverlogin();
|
|
my $workdir = $self->workdir();
|
|
my $cleancmd = "";
|
|
|
|
for my $file ($self->cleanup()) {
|
|
my @subworkdirs = parentdirs_of($file);
|
|
$cleancmd .= $sshlogin->cleanup_cmd($file,$workdir).";";
|
|
}
|
|
if(defined $opt::workdir and $opt::workdir eq "...") {
|
|
$cleancmd .= "$sshcmd $serverlogin rm -rf " . ::shell_quote_scalar($workdir).';';
|
|
}
|
|
return $cleancmd;
|
|
}
|
|
|
|
sub cleanup {
|
|
# Returns:
|
|
# Files to remove at cleanup
|
|
my $self = shift;
|
|
if($opt::cleanup) {
|
|
my @transfer = $self->transfer();
|
|
my @return = $self->return();
|
|
return (@transfer,@return);
|
|
} else {
|
|
return ();
|
|
}
|
|
}
|
|
|
|
sub workdir {
|
|
# Returns:
|
|
# the workdir on a remote machine
|
|
my $self = shift;
|
|
if(not defined $self->{'workdir'}) {
|
|
my $workdir;
|
|
if(defined $opt::workdir) {
|
|
if($opt::workdir eq ".") {
|
|
# . means current dir
|
|
my $home = $ENV{'HOME'};
|
|
eval 'use Cwd';
|
|
my $cwd = cwd();
|
|
$workdir = $cwd;
|
|
if($home) {
|
|
# If homedir exists: remove the homedir from
|
|
# workdir if cwd starts with homedir
|
|
# E.g. /home/foo/my/dir => my/dir
|
|
# E.g. /tmp/my/dir => /tmp/my/dir
|
|
my ($home_dev, $home_ino) = (stat($home))[0,1];
|
|
my $parent = "";
|
|
my @dir_parts = split(m:/:,$cwd);
|
|
my $part;
|
|
while(defined ($part = shift @dir_parts)) {
|
|
$part eq "" and next;
|
|
$parent .= "/".$part;
|
|
my ($parent_dev, $parent_ino) = (stat($parent))[0,1];
|
|
if($parent_dev == $home_dev and $parent_ino == $home_ino) {
|
|
# dev and ino is the same: We found the homedir.
|
|
$workdir = join("/",@dir_parts);
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
if($workdir eq "") {
|
|
$workdir = ".";
|
|
}
|
|
} elsif($opt::workdir eq "...") {
|
|
$workdir = ".parallel/tmp/" . ::hostname() . "-" . $$
|
|
. "-" . $self->seq();
|
|
} else {
|
|
$workdir = $opt::workdir;
|
|
# Rsync treats /./ special. We don't want that
|
|
$workdir =~ s:/\./:/:g; # Remove /./
|
|
$workdir =~ s:/+$::; # Remove ending / if any
|
|
$workdir =~ s:^\./::g; # Remove starting ./ if any
|
|
}
|
|
} else {
|
|
$workdir = ".";
|
|
}
|
|
$self->{'workdir'} = ::shell_quote_scalar($workdir);
|
|
}
|
|
return $self->{'workdir'};
|
|
}
|
|
|
|
sub parentdirs_of {
|
|
# Return:
|
|
# all parentdirs except . of this dir or file - sorted desc by length
|
|
my $d = shift;
|
|
my @parents = ();
|
|
while($d =~ s:/[^/]+$::) {
|
|
if($d ne ".") {
|
|
push @parents, $d;
|
|
}
|
|
}
|
|
return @parents;
|
|
}
|
|
|
|
sub start {
|
|
# Setup STDOUT and STDERR for a job and start it.
|
|
# Returns:
|
|
# job-object or undef if job not to run
|
|
my $job = shift;
|
|
# Get the shell command to be executed (possibly with ssh infront).
|
|
my $command = $job->wrapped();
|
|
|
|
if($Global::interactive or $Global::stderr_verbose) {
|
|
if($Global::interactive) {
|
|
print $Global::original_stderr "$command ?...";
|
|
open(my $tty_fh, "<", "/dev/tty") || ::die_bug("interactive-tty");
|
|
my $answer = <$tty_fh>;
|
|
close $tty_fh;
|
|
my $run_yes = ($answer =~ /^\s*y/i);
|
|
if (not $run_yes) {
|
|
$command = "true"; # Run the command 'true'
|
|
}
|
|
} else {
|
|
print $Global::original_stderr "$command\n";
|
|
}
|
|
}
|
|
|
|
my $pid;
|
|
$job->openoutputfiles();
|
|
my($stdout_fh,$stderr_fh) = ($job->fh(1,"w"),$job->fh(2,"w"));
|
|
local (*IN,*OUT,*ERR);
|
|
open OUT, '>&', $stdout_fh or ::die_bug("Can't redirect STDOUT: $!");
|
|
open ERR, '>&', $stderr_fh or ::die_bug("Can't dup STDOUT: $!");
|
|
|
|
if(($opt::dryrun or $Global::verbose) and $opt::ungroup) {
|
|
if($Global::verbose <= 1) {
|
|
print $stdout_fh $job->replaced(),"\n";
|
|
} else {
|
|
# Verbose level > 1: Print the rsync and stuff
|
|
print $stdout_fh $command,"\n";
|
|
}
|
|
}
|
|
if($opt::dryrun) {
|
|
$command = "true";
|
|
}
|
|
$ENV{'PARALLEL_SEQ'} = $job->seq();
|
|
$ENV{'PARALLEL_PID'} = $$;
|
|
::debug("run", $Global::total_running, " processes . Starting (",
|
|
$job->seq(), "): $command\n");
|
|
if($opt::pipe) {
|
|
my ($stdin_fh);
|
|
# The eval is needed to catch exception from open3
|
|
eval {
|
|
$pid = ::open3($stdin_fh, ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
|
::die_bug("open3-pipe");
|
|
1;
|
|
};
|
|
$job->set_fh(0,"w",$stdin_fh);
|
|
} elsif(@opt::a and not $Global::stdin_in_opt_a and $job->seq() == 1
|
|
and $job->sshlogin()->string() eq ":") {
|
|
# Give STDIN to the first job if using -a (but only if running
|
|
# locally - otherwise CTRL-C does not work for other jobs Bug#36585)
|
|
*IN = *STDIN;
|
|
# The eval is needed to catch exception from open3
|
|
eval {
|
|
$pid = ::open3("<&IN", ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
|
::die_bug("open3-a");
|
|
1;
|
|
};
|
|
# Re-open to avoid complaining
|
|
open(STDIN, "<&", $Global::original_stdin)
|
|
or ::die_bug("dup-\$Global::original_stdin: $!");
|
|
} elsif ($opt::tty and not $Global::tty_taken and -c "/dev/tty" and
|
|
open(my $devtty_fh, "<", "/dev/tty")) {
|
|
# Give /dev/tty to the command if no one else is using it
|
|
*IN = $devtty_fh;
|
|
# The eval is needed to catch exception from open3
|
|
eval {
|
|
$pid = ::open3("<&IN", ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
|
::die_bug("open3-/dev/tty");
|
|
$Global::tty_taken = $pid;
|
|
close $devtty_fh;
|
|
1;
|
|
};
|
|
} else {
|
|
# The eval is needed to catch exception from open3
|
|
eval {
|
|
$pid = ::open3(::gensym, ">&OUT", ">&ERR", $Global::shell, "-c", $command) ||
|
|
::die_bug("open3-gensym");
|
|
1;
|
|
};
|
|
}
|
|
if($pid) {
|
|
# A job was started
|
|
$Global::total_running++;
|
|
$Global::total_started++;
|
|
$job->set_pid($pid);
|
|
$job->set_starttime();
|
|
$Global::running{$job->pid()} = $job;
|
|
if($opt::timeout) {
|
|
$Global::timeoutq->insert($job);
|
|
}
|
|
$Global::newest_job = $job;
|
|
$Global::newest_starttime = ::now();
|
|
return $job;
|
|
} else {
|
|
# No more processes
|
|
::debug("run", "Cannot spawn more jobs.\n");
|
|
return undef;
|
|
}
|
|
}
|
|
|
|
sub tmux_wrap {
|
|
# Wrap command with tmux for session pPID
|
|
# Input:
|
|
# $actual_command = the actual command being run (incl ssh wrap)
|
|
my $self = shift;
|
|
my $actual_command = shift;
|
|
# Temporary file name. Used for fifo to communicate exit val
|
|
my ($fh, $tmpfile) = ::tmpfile(SUFFIX => ".tmx");
|
|
$Global::unlink{$tmpfile}=1;
|
|
close $fh;
|
|
unlink $tmpfile;
|
|
my $visual_command = $self->replaced();
|
|
my $title = $visual_command;
|
|
# ; causes problems
|
|
# ascii 194-245 annoys tmux
|
|
$title =~ tr/[\011-\016;\302-\365]//d;
|
|
|
|
my $tmux;
|
|
if($Global::total_running == 0) {
|
|
$tmux = "tmux new-session -s p$$ -d -n ".
|
|
::shell_quote_scalar($title);
|
|
print $Global::original_stderr "See output with: tmux attach -t p$$\n";
|
|
} else {
|
|
$tmux = "tmux new-window -t p$$ -n ".::shell_quote_scalar($title);
|
|
}
|
|
return "mkfifo $tmpfile; $tmux ".
|
|
# Run in tmux
|
|
::shell_quote_scalar(
|
|
"(".$actual_command.');(echo $?$status;echo 255) >'.$tmpfile."&".
|
|
"echo ".::shell_quote_scalar($visual_command).";".
|
|
"echo \007Job finished at: `date`;sleep 10").
|
|
# Run outside tmux
|
|
# Read the first line from the fifo and use that as status code
|
|
"; exit `perl -ne 'unlink \$ARGV; 1..1 and print' $tmpfile` ";
|
|
}
|
|
|
|
sub is_already_in_results {
|
|
# Do we already have results for this job?
|
|
# Returns:
|
|
# $job_already_run = bool whether there is output for this or not
|
|
my $job = $_[0];
|
|
my $args_as_dirname = $job->{'commandline'}->args_as_dirname();
|
|
# prefix/name1/val1/name2/val2/
|
|
my $dir = $opt::results."/".$args_as_dirname;
|
|
::debug("run", "Test $dir/stdout", -e "$dir/stdout", "\n");
|
|
return -e "$dir/stdout";
|
|
}
|
|
|
|
sub is_already_in_joblog {
|
|
my $job = shift;
|
|
return vec($Global::job_already_run,$job->seq(),1);
|
|
}
|
|
|
|
sub set_job_in_joblog {
|
|
my $job = shift;
|
|
vec($Global::job_already_run,$job->seq(),1) = 1;
|
|
}
|
|
|
|
sub should_be_retried {
|
|
# Should this job be retried?
|
|
# Returns
|
|
# 0 - do not retry
|
|
# 1 - job queued for retry
|
|
my $self = shift;
|
|
if (not $opt::retries) {
|
|
return 0;
|
|
}
|
|
if(not $self->exitstatus()) {
|
|
# Completed with success. If there is a recorded failure: forget it
|
|
$self->reset_failed_here();
|
|
return 0
|
|
} else {
|
|
# The job failed. Should it be retried?
|
|
$self->add_failed_here();
|
|
if($self->total_failed() == $opt::retries) {
|
|
# This has been retried enough
|
|
return 0;
|
|
} else {
|
|
# This command should be retried
|
|
$self->set_endtime(undef);
|
|
$Global::JobQueue->unget($self);
|
|
::debug("run", "Retry ", $self->seq(), "\n");
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub print {
|
|
# Print the output of the jobs
|
|
# Returns: N/A
|
|
|
|
my $self = shift;
|
|
::debug("print", ">>joboutput ", $self->replaced(), "\n");
|
|
if($opt::dryrun) {
|
|
# Nothing was printed to this job:
|
|
# cleanup tmp files if --files was set
|
|
unlink $self->fh(1,"name");
|
|
}
|
|
if($opt::pipe and $self->virgin()) {
|
|
# Skip --joblog, --dryrun, --verbose
|
|
} else {
|
|
if($Global::joblog and defined $self->{'exitstatus'}) {
|
|
# Add to joblog when finished
|
|
$self->print_joblog();
|
|
}
|
|
|
|
# Printing is only relevant for grouped/--line-buffer output.
|
|
$opt::ungroup and return;
|
|
# Check for disk full
|
|
exit_if_disk_full();
|
|
|
|
if(($opt::dryrun or $Global::verbose)
|
|
and
|
|
not $self->{'verbose_printed'}) {
|
|
$self->{'verbose_printed'}++;
|
|
if($Global::verbose <= 1) {
|
|
print STDOUT $self->replaced(),"\n";
|
|
} else {
|
|
# Verbose level > 1: Print the rsync and stuff
|
|
print STDOUT $self->wrapped(),"\n";
|
|
}
|
|
# If STDOUT and STDERR are merged,
|
|
# we want the command to be printed first
|
|
# so flush to avoid STDOUT being buffered
|
|
flush STDOUT;
|
|
}
|
|
}
|
|
for my $fdno (sort { $a <=> $b } keys %Global::fd) {
|
|
# Sort by file descriptor numerically: 1,2,3,..,9,10,11
|
|
$fdno == 0 and next;
|
|
my $out_fd = $Global::fd{$fdno};
|
|
my $in_fh = $self->fh($fdno,"r");
|
|
if(not $in_fh) {
|
|
if(not $Job::file_descriptor_warning_printed{$fdno}++) {
|
|
# ::warning("File descriptor $fdno not defined\n");
|
|
}
|
|
next;
|
|
}
|
|
::debug("print", "File descriptor $fdno (", $self->fh($fdno,"name"), "):");
|
|
if($opt::files) {
|
|
# If --compress: $in_fh must be closed first.
|
|
close $self->fh($fdno,"w");
|
|
close $in_fh;
|
|
if($opt::pipe and $self->virgin()) {
|
|
# Nothing was printed to this job:
|
|
# cleanup unused tmp files if --files was set
|
|
for my $fdno (1,2) {
|
|
unlink $self->fh($fdno,"name");
|
|
unlink $self->fh($fdno,"unlink");
|
|
}
|
|
} elsif($fdno == 1 and $self->fh($fdno,"name")) {
|
|
print $out_fd $self->fh($fdno,"name"),"\n";
|
|
}
|
|
} elsif($opt::linebuffer) {
|
|
# Line buffered print out
|
|
$self->linebuffer_print($fdno,$in_fh,$out_fd);
|
|
} else {
|
|
my $buf;
|
|
close $self->fh($fdno,"w");
|
|
seek $in_fh, 0, 0;
|
|
# $in_fh is now ready for reading at position 0
|
|
if($opt::tag or defined $opt::tagstring) {
|
|
my $tag = $self->tag();
|
|
if($fdno == 2) {
|
|
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
|
|
# This is a crappy way of ignoring it.
|
|
while(<$in_fh>) {
|
|
if(/^(client_process_control: )?tcgetattr: Invalid argument\n/) {
|
|
# Skip
|
|
} else {
|
|
print $out_fd $tag,$_;
|
|
}
|
|
# At most run the loop once
|
|
last;
|
|
}
|
|
}
|
|
while(<$in_fh>) {
|
|
print $out_fd $tag,$_;
|
|
}
|
|
} else {
|
|
my $buf;
|
|
if($fdno == 2) {
|
|
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
|
|
# This is a crappy way of ignoring it.
|
|
sysread($in_fh,$buf,1_000);
|
|
$buf =~ s/^(client_process_control: )?tcgetattr: Invalid argument\n//;
|
|
print $out_fd $buf;
|
|
}
|
|
while(sysread($in_fh,$buf,32768)) {
|
|
print $out_fd $buf;
|
|
}
|
|
}
|
|
close $in_fh;
|
|
}
|
|
flush $out_fd;
|
|
}
|
|
::debug("print", "<<joboutput @command\n");
|
|
}
|
|
|
|
sub linebuffer_print {
|
|
my $self = shift;
|
|
my ($fdno,$in_fh,$out_fd) = @_;
|
|
my $partial = \$self->{'partial_line',$fdno};
|
|
|
|
if(defined $self->{'exitstatus'}) {
|
|
# If the job is dead: close printing fh. Needed for --compress
|
|
close $self->fh($fdno,"w");
|
|
if($opt::compress) {
|
|
# Blocked reading in final round
|
|
$Global::use{"Fcntl"} ||= eval "use Fcntl qw(:DEFAULT :flock); 1;";
|
|
for my $fdno (1,2) {
|
|
my $fdr = $self->fh($fdno,'r');
|
|
my $flags;
|
|
fcntl($fdr, &F_GETFL, $flags) || die $!; # Get the current flags on the filehandle
|
|
$flags &= ~&O_NONBLOCK; # Remove non-blocking to the flags
|
|
fcntl($fdr, &F_SETFL, $flags) || die $!; # Set the flags on the filehandle
|
|
}
|
|
}
|
|
}
|
|
# This seek will clear EOF
|
|
seek $in_fh, tell($in_fh), 0;
|
|
# The read is non-blocking: The $in_fh is set to non-blocking.
|
|
# 32768 --tag = 5.1s
|
|
# 327680 --tag = 4.4s
|
|
# 1024000 --tag = 4.4s
|
|
# 3276800 --tag = 4.3s
|
|
# 32768000 --tag = 4.7s
|
|
# 10240000 --tag = 4.3s
|
|
while(read($in_fh,substr($$partial,length $$partial),3276800)) {
|
|
# Append to $$partial
|
|
# Find the last \n
|
|
my $i = rindex($$partial,"\n");
|
|
if($i != -1) {
|
|
# One or more complete lines were found
|
|
if($fdno == 2 and not $self->{'printed_first_line',$fdno}++) {
|
|
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
|
|
# This is a crappy way of ignoring it.
|
|
$$partial =~ s/^(client_process_control: )?tcgetattr: Invalid argument\n//;
|
|
# Length of partial line has changed: Find the last \n again
|
|
$i = rindex($$partial,"\n");
|
|
}
|
|
if($opt::tag or defined $opt::tagstring) {
|
|
# Replace ^ with $tag within the full line
|
|
my $tag = $self->tag();
|
|
substr($$partial,0,$i+1) =~ s/^/$tag/gm;
|
|
# Length of partial line has changed: Find the last \n again
|
|
$i = rindex($$partial,"\n");
|
|
}
|
|
# Print up to and including the last \n
|
|
print $out_fd substr($$partial,0,$i+1);
|
|
# Remove the printed part
|
|
substr($$partial,0,$i+1)="";
|
|
}
|
|
}
|
|
if(defined $self->{'exitstatus'}) {
|
|
# If the job is dead: print the remaining partial line
|
|
# read remaining
|
|
if($$partial and ($opt::tag or defined $opt::tagstring)) {
|
|
my $tag = $self->tag();
|
|
$$partial =~ s/^/$tag/gm;
|
|
}
|
|
print $out_fd $$partial;
|
|
# Release the memory
|
|
$$partial = undef;
|
|
if($self->fh($fdno,"rpid") and CORE::kill 0, $self->fh($fdno,"rpid")) {
|
|
# decompress still running
|
|
} else {
|
|
# decompress done: close fh
|
|
close $in_fh;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub print_joblog {
|
|
my $self = shift;
|
|
my $cmd;
|
|
if($Global::verbose <= 1) {
|
|
$cmd = $self->replaced();
|
|
} else {
|
|
# Verbose level > 1: Print the rsync and stuff
|
|
$cmd = "@command";
|
|
}
|
|
print $Global::joblog
|
|
join("\t", $self->seq(), $self->sshlogin()->string(),
|
|
$self->starttime(), sprintf("%10.3f",$self->runtime()),
|
|
$self->transfersize(), $self->returnsize(),
|
|
$self->exitstatus(), $self->exitsignal(), $cmd
|
|
). "\n";
|
|
flush $Global::joblog;
|
|
$self->set_job_in_joblog();
|
|
}
|
|
|
|
sub tag {
|
|
my $self = shift;
|
|
if(not defined $self->{'tag'}) {
|
|
$self->{'tag'} = $self->{'commandline'}->
|
|
replace_placeholders([$opt::tagstring],0,0)."\t";
|
|
}
|
|
return $self->{'tag'};
|
|
}
|
|
|
|
sub hostgroups {
|
|
my $self = shift;
|
|
if(not defined $self->{'hostgroups'}) {
|
|
$self->{'hostgroups'} = $self->{'commandline'}->{'arg_list'}[0][0]->{'hostgroups'};
|
|
}
|
|
return @{$self->{'hostgroups'}};
|
|
}
|
|
|
|
sub exitstatus {
|
|
my $self = shift;
|
|
return $self->{'exitstatus'};
|
|
}
|
|
|
|
sub set_exitstatus {
|
|
my $self = shift;
|
|
my $exitstatus = shift;
|
|
if($exitstatus) {
|
|
# Overwrite status if non-zero
|
|
$self->{'exitstatus'} = $exitstatus;
|
|
} else {
|
|
# Set status but do not overwrite
|
|
# Status may have been set by --timeout
|
|
$self->{'exitstatus'} ||= $exitstatus;
|
|
}
|
|
}
|
|
|
|
sub exitsignal {
|
|
my $self = shift;
|
|
return $self->{'exitsignal'};
|
|
}
|
|
|
|
sub set_exitsignal {
|
|
my $self = shift;
|
|
my $exitsignal = shift;
|
|
$self->{'exitsignal'} = $exitsignal;
|
|
}
|
|
|
|
{
|
|
my ($disk_full_fh, $b8193, $name);
|
|
sub exit_if_disk_full {
|
|
# Checks if $TMPDIR is full by writing 8kb to a tmpfile
|
|
# If the disk is full: Exit immediately.
|
|
# Returns:
|
|
# N/A
|
|
if(not $disk_full_fh) {
|
|
($disk_full_fh, $name) = ::tmpfile(SUFFIX => ".df");
|
|
unlink $name;
|
|
$b8193 = "x"x8193;
|
|
}
|
|
# Linux does not discover if a disk is full if writing <= 8192
|
|
# Tested on:
|
|
# bfs btrfs cramfs ext2 ext3 ext4 ext4dev jffs2 jfs minix msdos
|
|
# ntfs reiserfs tmpfs ubifs vfat xfs
|
|
# TODO this should be tested on different OS similar to this:
|
|
#
|
|
# doit() {
|
|
# sudo mount /dev/ram0 /mnt/loop; sudo chmod 1777 /mnt/loop
|
|
# seq 100000 | parallel --tmpdir /mnt/loop/ true &
|
|
# seq 6900000 > /mnt/loop/i && echo seq OK
|
|
# seq 6980868 > /mnt/loop/i
|
|
# seq 10000 > /mnt/loop/ii
|
|
# sleep 3
|
|
# sudo umount /mnt/loop/ || sudo umount -l /mnt/loop/
|
|
# echo >&2
|
|
# }
|
|
print $disk_full_fh $b8193;
|
|
if(not $disk_full_fh
|
|
or
|
|
tell $disk_full_fh == 0) {
|
|
::error("Output is incomplete. Cannot append to buffer file in $ENV{'TMPDIR'}. Is the disk full?\n");
|
|
::error("Change \$TMPDIR with --tmpdir or use --compress.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
truncate $disk_full_fh, 0;
|
|
seek($disk_full_fh, 0, 0) || die;
|
|
}
|
|
}
|
|
|
|
|
|
package CommandLine;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $seq = shift;
|
|
my $commandref = shift;
|
|
$commandref || die;
|
|
my $arg_queue = shift;
|
|
my $context_replace = shift;
|
|
my $max_number_of_args = shift; # for -N and normal (-n1)
|
|
my $return_files = shift;
|
|
my $replacecount_ref = shift;
|
|
my $len_ref = shift;
|
|
my %replacecount = %$replacecount_ref;
|
|
my %len = %$len_ref;
|
|
for (keys %$replacecount_ref) {
|
|
# Total length of this replacement string {} replaced with all args
|
|
$len{$_} = 0;
|
|
}
|
|
return bless {
|
|
'command' => $commandref,
|
|
'seq' => $seq,
|
|
'len' => \%len,
|
|
'arg_list' => [],
|
|
'arg_queue' => $arg_queue,
|
|
'max_number_of_args' => $max_number_of_args,
|
|
'replacecount' => \%replacecount,
|
|
'context_replace' => $context_replace,
|
|
'return_files' => $return_files,
|
|
'replaced' => undef,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub seq {
|
|
my $self = shift;
|
|
return $self->{'seq'};
|
|
}
|
|
|
|
{
|
|
my $max_slot_number;
|
|
|
|
sub slot {
|
|
# Find the number of a free job slot and return it
|
|
# Uses:
|
|
# @Global::slots
|
|
# Returns:
|
|
# $jobslot = number of jobslot
|
|
my $self = shift;
|
|
if(not $self->{'slot'}) {
|
|
if(not @Global::slots) {
|
|
# $Global::max_slot_number will typically be $Global::max_jobs_running
|
|
push @Global::slots, ++$max_slot_number;
|
|
}
|
|
$self->{'slot'} = shift @Global::slots;
|
|
}
|
|
return $self->{'slot'};
|
|
}
|
|
}
|
|
|
|
sub populate {
|
|
# Add arguments from arg_queue until the number of arguments or
|
|
# max line length is reached
|
|
# Uses:
|
|
# $Global::minimal_command_line_length
|
|
# $opt::cat
|
|
# $opt::fifo
|
|
# $Global::JobQueue
|
|
# $opt::m
|
|
# $opt::X
|
|
# $CommandLine::already_spread
|
|
# $Global::max_jobs_running
|
|
# Returns: N/A
|
|
my $self = shift;
|
|
my $next_arg;
|
|
my $max_len = $Global::minimal_command_line_length || Limits::Command::max_length();
|
|
|
|
if($opt::cat or $opt::fifo) {
|
|
# Generate a tempfile name that will be used as {}
|
|
my($outfh,$name) = ::tmpfile(SUFFIX => ".pip");
|
|
close $outfh;
|
|
# Unlink is needed if: ssh otheruser@localhost
|
|
unlink $name;
|
|
$Global::JobQueue->{'commandlinequeue'}->{'arg_queue'}->unget([Arg->new($name)]);
|
|
}
|
|
|
|
while (not $self->{'arg_queue'}->empty()) {
|
|
$next_arg = $self->{'arg_queue'}->get();
|
|
if(not defined $next_arg) {
|
|
next;
|
|
}
|
|
$self->push($next_arg);
|
|
if($self->len() >= $max_len) {
|
|
# Command length is now > max_length
|
|
# If there are arguments: remove the last
|
|
# If there are no arguments: Error
|
|
# TODO stuff about -x opt_x
|
|
if($self->number_of_args() > 1) {
|
|
# There is something to work on
|
|
$self->{'arg_queue'}->unget($self->pop());
|
|
last;
|
|
} else {
|
|
my $args = join(" ", map { $_->orig() } @$next_arg);
|
|
::error("Command line too long (",
|
|
$self->len(), " >= ",
|
|
$max_len,
|
|
") at number ",
|
|
$self->{'arg_queue'}->arg_number(),
|
|
": ".
|
|
(substr($args,0,50))."...\n");
|
|
$self->{'arg_queue'}->unget($self->pop());
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
|
|
if(defined $self->{'max_number_of_args'}) {
|
|
if($self->number_of_args() >= $self->{'max_number_of_args'}) {
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
if(($opt::m or $opt::X) and not $CommandLine::already_spread
|
|
and $self->{'arg_queue'}->empty() and $Global::max_jobs_running) {
|
|
# -m or -X and EOF => Spread the arguments over all jobslots
|
|
# (unless they are already spread)
|
|
$CommandLine::already_spread ||= 1;
|
|
if($self->number_of_args() > 1) {
|
|
$self->{'max_number_of_args'} =
|
|
::ceil($self->number_of_args()/$Global::max_jobs_running);
|
|
$Global::JobQueue->{'commandlinequeue'}->{'max_number_of_args'} =
|
|
$self->{'max_number_of_args'};
|
|
$self->{'arg_queue'}->unget($self->pop_all());
|
|
while($self->number_of_args() < $self->{'max_number_of_args'}) {
|
|
$self->push($self->{'arg_queue'}->get());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub push {
|
|
# Add one or more records as arguments
|
|
# Returns: N/A
|
|
my $self = shift;
|
|
my $record = shift;
|
|
push @{$self->{'arg_list'}}, $record;
|
|
|
|
my $quote_arg = $Global::noquote ? 0 : not $Global::quoting;
|
|
my $rep;
|
|
for my $arg (@$record) {
|
|
if(defined $arg) {
|
|
for my $perlexpr (keys %{$self->{'replacecount'}}) {
|
|
# 50% faster than below
|
|
$self->{'len'}{$perlexpr} += length $arg->replace($perlexpr,$quote_arg,$self);
|
|
# $rep = $arg->replace($perlexpr,$quote_arg,$self);
|
|
# $self->{'len'}{$perlexpr} += length $rep;
|
|
# ::debug("length", "Length: ", length $rep,
|
|
# "(", $perlexpr, "=>", $rep, ")\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub pop {
|
|
# Remove last argument
|
|
# Returns:
|
|
# the last record
|
|
my $self = shift;
|
|
my $record = pop @{$self->{'arg_list'}};
|
|
my $quote_arg = $Global::noquote ? 0 : not $Global::quoting;
|
|
for my $arg (@$record) {
|
|
if(defined $arg) {
|
|
for my $perlexpr (keys %{$self->{'replacecount'}}) {
|
|
$self->{'len'}{$perlexpr} -=
|
|
length $arg->replace($perlexpr,$quote_arg,$self);
|
|
}
|
|
}
|
|
}
|
|
return $record;
|
|
}
|
|
|
|
sub pop_all {
|
|
# Remove all arguments and zeros the length of replacement strings
|
|
# Returns:
|
|
# all records
|
|
my $self = shift;
|
|
my @popped = @{$self->{'arg_list'}};
|
|
for my $replacement_string (keys %{$self->{'replacecount'}}) {
|
|
$self->{'len'}{$replacement_string} = 0;
|
|
}
|
|
$self->{'arg_list'} = [];
|
|
return @popped;
|
|
}
|
|
|
|
sub number_of_args {
|
|
# The number of records
|
|
# Returns:
|
|
# number of records
|
|
my $self = shift;
|
|
# Ftq rudef oaawuq ime dqxqmeqp az 2011-01-24 mzp ime iaz nk MQhmd
|
|
# Mdzrvadp Nvmdymeaz az 2011-04-10. Ftue oaawuq dqxqmeqp az
|
|
# 2013-08-18 ue m nuf tmdpqd me kag tmhq fa geq daf14. Bxqmeq
|
|
# qymux oaawuq@fmzsq.pw itqz kag dqmp ftue.
|
|
#
|
|
# U my ftq ymuzfmuzqd ar m buqoq ar rdqq earfimdq omxxqp SZG
|
|
# Bmdmxxqx. Rdqq earfimdq sgmdmzfqqe kag mooqee fa ftq eagdoq
|
|
# oapq, ngf U tmhq nqqz iazpqduzs tai ymzk mofgmxxk _dqmp_ ftq
|
|
# eagdoq oapq.
|
|
#
|
|
# Fa fqef ftue U bgf uz m oayyqzf fqxxuzs bqabxq fa qymux yq itqz
|
|
# ftqk dqmp ftue. Ftq oayyqzf ime bgf uz m eqofuaz ar ftq oapq
|
|
# ftmf za azq iagxp xaaw fa ruj ad uybdahq ftq earfimdq - ea ftq
|
|
# eagdoq oapq qcguhmxqzf fa m pgefk oadzqd. Fa ymwq egdq ftq
|
|
# oayyqzf iagxp zaf etai gb ur eayq azq vgef sdqbbqp ftdagst ftq
|
|
# eagdoq oapq U daf13'qp ftq eagdoq oapq
|
|
# tffb://qz.iuwubqpum.ads/iuwu/DAF13
|
|
#
|
|
# 2.5 yazfte xmfqd U dqoquhqp mz qymux rday eayqazq ita zaf azxk
|
|
# ymzmsqp fa ruzp ftq oayyqzf, ngf mxea ymzmsqp fa sgqee ftq oapq
|
|
# tmp fa nq daf13'qp.
|
|
#
|
|
# Ftue nduzse yq fa ftq oazoxgeuaz ftmf ftqdq _mdq_ bqabxq, ita
|
|
# mdq zaf mrruxumfqp iuft ftq bdavqof, ftmf iuxx dqmp ftq eagdoq
|
|
# oapq - ftagst uf ymk zaf tmbbqz hqdk arfqz.
|
|
#
|
|
# This is really the number of records
|
|
return $#{$self->{'arg_list'}}+1;
|
|
}
|
|
|
|
sub number_of_recargs {
|
|
# The number of args in records
|
|
# Returns:
|
|
# number of args records
|
|
my $self = shift;
|
|
my $sum = 0;
|
|
my $nrec = scalar @{$self->{'arg_list'}};
|
|
if($nrec) {
|
|
$sum = $nrec * (scalar @{$self->{'arg_list'}[0]});
|
|
}
|
|
return $sum;
|
|
}
|
|
|
|
sub args_as_string {
|
|
# Returns:
|
|
# all unmodified arguments joined with ' ' (similar to {})
|
|
my $self = shift;
|
|
return (join " ", map { $_->orig() }
|
|
map { @$_ } @{$self->{'arg_list'}});
|
|
}
|
|
|
|
sub args_as_dirname {
|
|
# Returns:
|
|
# all unmodified arguments joined with '/' (similar to {})
|
|
# \t \0 \\ and / are quoted as: \t \0 \\ \_
|
|
# If $Global::max_file_length: Keep subdirs < $Global::max_file_length
|
|
my $self = shift;
|
|
my @res = ();
|
|
|
|
for my $rec_ref (@{$self->{'arg_list'}}) {
|
|
# If headers are used, sort by them.
|
|
# Otherwise keep the order from the command line.
|
|
my @header_indexes_sorted = header_indexes_sorted($#$rec_ref+1);
|
|
for my $n (@header_indexes_sorted) {
|
|
CORE::push(@res,
|
|
$Global::input_source_header{$n},
|
|
map { my $s = $_;
|
|
# \t \0 \\ and / are quoted as: \t \0 \\ \_
|
|
$s =~ s/\\/\\\\/g;
|
|
$s =~ s/\t/\\t/g;
|
|
$s =~ s/\0/\\0/g;
|
|
$s =~ s:/:\\_:g;
|
|
if($Global::max_file_length) {
|
|
# Keep each subdir shorter than the longest
|
|
# allowed file name
|
|
$s = substr($s,0,$Global::max_file_length);
|
|
}
|
|
$s; }
|
|
$rec_ref->[$n-1]->orig());
|
|
}
|
|
}
|
|
return join "/", @res;
|
|
}
|
|
|
|
sub header_indexes_sorted {
|
|
# Sort headers first by number then by name.
|
|
# E.g.: 1a 1b 11a 11b
|
|
# Returns:
|
|
# Indexes of %Global::input_source_header sorted
|
|
my $max_col = shift;
|
|
|
|
no warnings 'numeric';
|
|
for my $col (1 .. $max_col) {
|
|
# Make sure the header is defined. If it is not: use column number
|
|
if(not defined $Global::input_source_header{$col}) {
|
|
$Global::input_source_header{$col} = $col;
|
|
}
|
|
}
|
|
my @header_indexes_sorted = sort {
|
|
# Sort headers numerically then asciibetically
|
|
$Global::input_source_header{$a} <=> $Global::input_source_header{$b}
|
|
or
|
|
$Global::input_source_header{$a} cmp $Global::input_source_header{$b}
|
|
} 1 .. $max_col;
|
|
return @header_indexes_sorted;
|
|
}
|
|
|
|
sub len {
|
|
# Uses:
|
|
# $opt::shellquote
|
|
# The length of the command line with args substituted
|
|
my $self = shift;
|
|
my $len = 0;
|
|
# Add length of the original command with no args
|
|
# Length of command w/ all replacement args removed
|
|
$len += $self->{'len'}{'noncontext'} + @{$self->{'command'}} -1;
|
|
::debug("length", "noncontext + command: $len\n");
|
|
my $recargs = $self->number_of_recargs();
|
|
if($self->{'context_replace'}) {
|
|
# Context is duplicated for each arg
|
|
$len += $recargs * $self->{'len'}{'context'};
|
|
for my $replstring (keys %{$self->{'replacecount'}}) {
|
|
# If the replacements string is more than once: mulitply its length
|
|
$len += $self->{'len'}{$replstring} *
|
|
$self->{'replacecount'}{$replstring};
|
|
::debug("length", $replstring, " ", $self->{'len'}{$replstring}, "*",
|
|
$self->{'replacecount'}{$replstring}, "\n");
|
|
}
|
|
# echo 11 22 33 44 55 66 77 88 99 1010
|
|
# echo 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
|
|
# 5 + ctxgrp*arg
|
|
::debug("length", "Ctxgrp: ", $self->{'len'}{'contextgroups'},
|
|
" Groups: ", $self->{'len'}{'noncontextgroups'}, "\n");
|
|
# Add space between context groups
|
|
$len += ($recargs-1) * ($self->{'len'}{'contextgroups'});
|
|
} else {
|
|
# Each replacement string may occur several times
|
|
# Add the length for each time
|
|
$len += 1*$self->{'len'}{'context'};
|
|
::debug("length", "context+noncontext + command: $len\n");
|
|
for my $replstring (keys %{$self->{'replacecount'}}) {
|
|
# (space between regargs + length of replacement)
|
|
# * number this replacement is used
|
|
$len += ($recargs -1 + $self->{'len'}{$replstring}) *
|
|
$self->{'replacecount'}{$replstring};
|
|
}
|
|
}
|
|
if($opt::nice) {
|
|
# Pessimistic length if --nice is set
|
|
# Worse than worst case: every char needs to be quoted with \
|
|
$len *= 2;
|
|
}
|
|
if($Global::quoting) {
|
|
# Pessimistic length if -q is set
|
|
# Worse than worst case: every char needs to be quoted with \
|
|
$len *= 2;
|
|
}
|
|
if($opt::shellquote) {
|
|
# Pessimistic length if --shellquote is set
|
|
# Worse than worst case: every char needs to be quoted with \ twice
|
|
$len *= 4;
|
|
}
|
|
# If we are using --env, add the prefix for that, too.
|
|
$len += $Global::envvarlen;
|
|
|
|
return $len;
|
|
}
|
|
|
|
sub replaced {
|
|
# Uses:
|
|
# $Global::noquote
|
|
# $Global::quoting
|
|
# Returns:
|
|
# $replaced = command with place holders replaced and prepended
|
|
my $self = shift;
|
|
if(not defined $self->{'replaced'}) {
|
|
# Don't quote arguments if the input is the full command line
|
|
my $quote_arg = $Global::noquote ? 0 : not $Global::quoting;
|
|
$self->{'replaced'} = $self->replace_placeholders($self->{'command'},$Global::quoting,$quote_arg);
|
|
my $len = length $self->{'replaced'};
|
|
if ($len != $self->len()) {
|
|
::debug("length", $len, " != ", $self->len(), " ", $self->{'replaced'}, "\n");
|
|
} else {
|
|
::debug("length", $len, " == ", $self->len(), " ", $self->{'replaced'}, "\n");
|
|
}
|
|
}
|
|
return $self->{'replaced'};
|
|
}
|
|
|
|
sub replace_placeholders {
|
|
# Replace foo{}bar with fooargbar
|
|
# Input:
|
|
# $targetref = command as shell words
|
|
# $quote = should everything be quoted?
|
|
# $quote_arg = should replaced arguments be quoted?
|
|
# Returns:
|
|
# @target with placeholders replaced
|
|
my $self = shift;
|
|
my $targetref = shift;
|
|
my $quote = shift;
|
|
my $quote_arg = shift;
|
|
my $context_replace = $self->{'context_replace'};
|
|
my @target = @$targetref;
|
|
::debug("replace", "Replace @target\n");
|
|
# -X = context replace
|
|
# maybe multiple input sources
|
|
# maybe --xapply
|
|
if(not @target) {
|
|
# @target is empty: Return empty array
|
|
return @target;
|
|
}
|
|
# Fish out the words that have replacement strings in them
|
|
my %word;
|
|
for (@target) {
|
|
my $tt = $_;
|
|
::debug("replace", "Target: $tt");
|
|
# a{1}b{}c{}d
|
|
# a{=1 $_=$_ =}b{= $_=$_ =}c{= $_=$_ =}d
|
|
# a\257<1 $_=$_ \257>b\257< $_=$_ \257>c\257< $_=$_ \257>d
|
|
# A B C => aAbA B CcA B Cd
|
|
# -X A B C => aAbAcAd aAbBcBd aAbCcCd
|
|
|
|
if($context_replace) {
|
|
while($tt =~ s/([^\s\257]* # before {=
|
|
(?:
|
|
\257< # {=
|
|
[^\257]*? # The perl expression
|
|
\257> # =}
|
|
[^\s\257]* # after =}
|
|
)+)/ /x) {
|
|
# $1 = pre \257 perlexpr \257 post
|
|
$word{"$1"} ||= 1;
|
|
}
|
|
} else {
|
|
while($tt =~ s/( (?: \257<([^\257]*?)\257>) )//x) {
|
|
# $f = \257 perlexpr \257
|
|
$word{$1} ||= 1;
|
|
}
|
|
}
|
|
}
|
|
my @word = keys %word;
|
|
|
|
my %replace;
|
|
my @arg;
|
|
for my $record (@{$self->{'arg_list'}}) {
|
|
# $self->{'arg_list'} = [ [Arg11, Arg12], [Arg21, Arg22], [Arg31, Arg32] ]
|
|
# Merge arg-objects from records into @arg for easy access
|
|
CORE::push @arg, @$record;
|
|
}
|
|
# Add one arg if empty to allow {#} and {%} to be computed only once
|
|
if(not @arg) { @arg = (Arg->new("")); }
|
|
# Number of arguments - used for positional arguments
|
|
my $n = $#_+1;
|
|
|
|
# This is actually a CommandLine-object,
|
|
# but it looks nice to be able to say {= $job->slot() =}
|
|
my $job = $self;
|
|
for my $word (@word) {
|
|
# word = AB \257< perlexpr \257> CD \257< perlexpr \257> EF
|
|
my $w = $word;
|
|
::debug("replace", "Replacing in $w\n");
|
|
|
|
# Replace positional arguments
|
|
$w =~ s< ([^\s\257]*) # before {=
|
|
\257< # {=
|
|
(-?\d+) # Position (eg. -2 or 3)
|
|
([^\257]*?) # The perl expression
|
|
\257> # =}
|
|
([^\s\257]*) # after =}
|
|
>
|
|
{ $1. # Context (pre)
|
|
(
|
|
$arg[$2 > 0 ? $2-1 : $n+$2] ? # If defined: replace
|
|
$arg[$2 > 0 ? $2-1 : $n+$2]->replace($3,$quote_arg,$self)
|
|
: "")
|
|
.$4 }egx;# Context (post)
|
|
::debug("replace", "Positional replaced $word with: $w\n");
|
|
|
|
if($w !~ /\257/) {
|
|
# No more replacement strings in $w: No need to do more
|
|
if($quote) {
|
|
CORE::push(@{$replace{::shell_quote($word)}}, $w);
|
|
} else {
|
|
CORE::push(@{$replace{$word}}, $w);
|
|
}
|
|
next;
|
|
}
|
|
# for each arg:
|
|
# compute replacement for each string
|
|
# replace replacement strings with replacement in the word value
|
|
# push to replace word value
|
|
::debug("replace", "Positional done: $w\n");
|
|
for my $arg (@arg) {
|
|
my $val = $w;
|
|
my $number_of_replacements = 0;
|
|
for my $perlexpr (keys %{$self->{'replacecount'}}) {
|
|
# Replace {= perl expr =} with value for each arg
|
|
$number_of_replacements +=
|
|
$val =~ s{\257<\Q$perlexpr\E\257>}
|
|
{$arg ? $arg->replace($perlexpr,$quote_arg,$self) : ""}eg;
|
|
}
|
|
my $ww = $word;
|
|
if($quote) {
|
|
$ww = ::shell_quote_scalar($word);
|
|
$val = ::shell_quote_scalar($val);
|
|
}
|
|
if($number_of_replacements) {
|
|
CORE::push(@{$replace{$ww}}, $val);
|
|
}
|
|
}
|
|
}
|
|
|
|
if($quote) {
|
|
@target = ::shell_quote(@target);
|
|
}
|
|
# ::debug("replace", "%replace=",::my_dump(%replace),"\n");
|
|
if(%replace) {
|
|
# Substitute the replace strings with the replacement values
|
|
# Must be sorted by length if a short word is a substring of a long word
|
|
my $regexp = join('|', map { my $s = $_; $s =~ s/(\W)/\\$1/g; $s }
|
|
sort { length $b <=> length $a } keys %replace);
|
|
for(@target) {
|
|
s/($regexp)/join(" ",@{$replace{$1}})/ge;
|
|
}
|
|
}
|
|
::debug("replace", "Return @target\n");
|
|
return wantarray ? @target : "@target";
|
|
}
|
|
|
|
|
|
package CommandLineQueue;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $commandref = shift;
|
|
my $read_from = shift;
|
|
my $context_replace = shift;
|
|
my $max_number_of_args = shift;
|
|
my $return_files = shift;
|
|
my @unget = ();
|
|
my ($count,%replacecount,$posrpl,$perlexpr,%len);
|
|
my @command = @$commandref;
|
|
# If the first command start with '-' it is probably an option
|
|
if($command[0] =~ /^\s*(-\S+)/) {
|
|
# Is this really a command in $PATH starting with '-'?
|
|
my $cmd = $1;
|
|
if(not ::which($cmd)) {
|
|
::error("Command ($cmd) starts with '-'. Is this a wrong option?\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
# Replace replacement strings with {= perl expr =}
|
|
# Protect matching inside {= perl expr =}
|
|
# by replacing {= and =} with \257< and \257>
|
|
for(@command) {
|
|
if(/\257/) {
|
|
::error("Command cannot contain the character \257. Use a function for that.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
s/\Q$Global::parensleft\E(.*?)\Q$Global::parensright\E/\257<$1\257>/gx;
|
|
}
|
|
for my $rpl (keys %Global::rpl) {
|
|
# Replace the short hand string with the {= perl expr =} in $command and $opt::tagstring
|
|
# Avoid replacing inside existing {= perl expr =}
|
|
for(@command,@Global::ret_files) {
|
|
while(s/((^|\257>)[^\257]*?) # Don't replace after \257 unless \257>
|
|
\Q$rpl\E/$1\257<$Global::rpl{$rpl}\257>/xg) {
|
|
}
|
|
}
|
|
if(defined $opt::tagstring) {
|
|
for($opt::tagstring) {
|
|
while(s/((^|\257>)[^\257]*?) # Don't replace after \257 unless \257>
|
|
\Q$rpl\E/$1\257<$Global::rpl{$rpl}\257>/x) {}
|
|
}
|
|
}
|
|
# Do the same for the positional replacement strings
|
|
# A bit harder as we have to put in the position number
|
|
$posrpl = $rpl;
|
|
if($posrpl =~ s/^\{//) {
|
|
# Only do this if the shorthand start with {
|
|
for(@command,@Global::ret_files) {
|
|
s/\{(-?\d+)\Q$posrpl\E/\257<$1 $Global::rpl{$rpl}\257>/g;
|
|
}
|
|
if(defined $opt::tagstring) {
|
|
$opt::tagstring =~ s/\{(-?\d+)\Q$posrpl\E/\257<$1 $perlexpr\257>/g;
|
|
}
|
|
}
|
|
}
|
|
my $sum = 0;
|
|
while($sum == 0) {
|
|
# Count how many times each replacement string is used
|
|
my @cmd = @command;
|
|
my $contextlen = 0;
|
|
my $noncontextlen = 0;
|
|
my $contextgroups = 0;
|
|
for my $c (@cmd) {
|
|
while($c =~ s/ \257<([^\257]*?)\257> /\000/x) {
|
|
# %replacecount = { "perlexpr" => number of times seen }
|
|
# e.g { "$_++" => 2 }
|
|
$replacecount{$1} ++;
|
|
$sum++;
|
|
}
|
|
# Measure the length of the context around the {= perl expr =}
|
|
# Use that {=...=} has been replaced with \000 above
|
|
# So there is no need to deal with \257<
|
|
while($c =~ s/ (\S*\000\S*) //x) {
|
|
my $w = $1;
|
|
$w =~ tr/\000//d; # Remove all \000's
|
|
$contextlen += length($w);
|
|
$contextgroups++;
|
|
}
|
|
# All {= perl expr =} have been removed: The rest is non-context
|
|
$noncontextlen += length $c;
|
|
}
|
|
if($opt::tagstring) {
|
|
my $t = $opt::tagstring;
|
|
while($t =~ s/ \257<([^\257]*)\257> //x) {
|
|
# %replacecount = { "perlexpr" => number of times seen }
|
|
# e.g { "$_++" => 2 }
|
|
# But for tagstring we just need to mark it as seen
|
|
$replacecount{$1}||=1;
|
|
}
|
|
}
|
|
|
|
$len{'context'} = 0+$contextlen;
|
|
$len{'noncontext'} = $noncontextlen;
|
|
$len{'contextgroups'} = $contextgroups;
|
|
$len{'noncontextgroups'} = @cmd-$contextgroups;
|
|
::debug("length", "@command Context: ", $len{'context'},
|
|
" Non: ", $len{'noncontext'}, " Ctxgrp: ", $len{'contextgroups'},
|
|
" NonCtxGrp: ", $len{'noncontextgroups'}, "\n");
|
|
if($sum == 0) {
|
|
# Default command = {}
|
|
# If not replacement string: append {}
|
|
if(not @command) {
|
|
@command = ("\257<\257>");
|
|
$Global::noquote = 1;
|
|
} elsif(($opt::pipe or $opt::pipepart)
|
|
and not $opt::fifo and not $opt::cat) {
|
|
# With --pipe / --pipe-part you can have no replacement
|
|
last;
|
|
} else {
|
|
# Append {} to the command if there are no {...}'s and no {=...=}
|
|
push @command, ("\257<\257>");
|
|
}
|
|
}
|
|
}
|
|
|
|
return bless {
|
|
'unget' => \@unget,
|
|
'command' => \@command,
|
|
'replacecount' => \%replacecount,
|
|
'arg_queue' => RecordQueue->new($read_from,$opt::colsep),
|
|
'context_replace' => $context_replace,
|
|
'len' => \%len,
|
|
'max_number_of_args' => $max_number_of_args,
|
|
'size' => undef,
|
|
'return_files' => $return_files,
|
|
'seq' => 1,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub get {
|
|
my $self = shift;
|
|
if(@{$self->{'unget'}}) {
|
|
my $cmd_line = shift @{$self->{'unget'}};
|
|
return ($cmd_line);
|
|
} else {
|
|
my $cmd_line;
|
|
$cmd_line = CommandLine->new($self->seq(),
|
|
$self->{'command'},
|
|
$self->{'arg_queue'},
|
|
$self->{'context_replace'},
|
|
$self->{'max_number_of_args'},
|
|
$self->{'return_files'},
|
|
$self->{'replacecount'},
|
|
$self->{'len'},
|
|
);
|
|
$cmd_line->populate();
|
|
::debug("init","cmd_line->number_of_args ",
|
|
$cmd_line->number_of_args(), "\n");
|
|
if($opt::pipe or $opt::pipepart) {
|
|
if($cmd_line->replaced() eq "") {
|
|
# Empty command - pipe requires a command
|
|
::error("--pipe must have a command to pipe into (e.g. 'cat').\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
} else {
|
|
if($cmd_line->number_of_args() == 0) {
|
|
# We did not get more args - maybe at EOF string?
|
|
return undef;
|
|
} elsif($cmd_line->replaced() eq "") {
|
|
# Empty command - get the next instead
|
|
return $self->get();
|
|
}
|
|
}
|
|
$self->set_seq($self->seq()+1);
|
|
return $cmd_line;
|
|
}
|
|
}
|
|
|
|
sub unget {
|
|
my $self = shift;
|
|
unshift @{$self->{'unget'}}, @_;
|
|
}
|
|
|
|
sub empty {
|
|
my $self = shift;
|
|
my $empty = (not @{$self->{'unget'}}) && $self->{'arg_queue'}->empty();
|
|
::debug("run", "CommandLineQueue->empty $empty");
|
|
return $empty;
|
|
}
|
|
|
|
sub seq {
|
|
my $self = shift;
|
|
return $self->{'seq'};
|
|
}
|
|
|
|
sub set_seq {
|
|
my $self = shift;
|
|
$self->{'seq'} = shift;
|
|
}
|
|
|
|
sub quote_args {
|
|
my $self = shift;
|
|
# If there is not command emulate |bash
|
|
return $self->{'command'};
|
|
}
|
|
|
|
sub size {
|
|
my $self = shift;
|
|
if(not $self->{'size'}) {
|
|
my @all_lines = ();
|
|
while(not $self->{'arg_queue'}->empty()) {
|
|
push @all_lines, CommandLine->new($self->{'command'},
|
|
$self->{'arg_queue'},
|
|
$self->{'context_replace'},
|
|
$self->{'max_number_of_args'});
|
|
}
|
|
$self->{'size'} = @all_lines;
|
|
$self->unget(@all_lines);
|
|
}
|
|
return $self->{'size'};
|
|
}
|
|
|
|
|
|
package Limits::Command;
|
|
|
|
# Maximal command line length (for -m and -X)
|
|
sub max_length {
|
|
# Find the max_length of a command line and cache it
|
|
# Returns:
|
|
# number of chars on the longest command line allowed
|
|
if(not $Limits::Command::line_max_len) {
|
|
# Disk cache of max command line length
|
|
my $len_cache = $ENV{'HOME'} . "/.parallel/tmp/linelen-" . ::hostname();
|
|
my $cached_limit;
|
|
if(-e $len_cache) {
|
|
open(my $fh, "<", $len_cache) || ::die_bug("Cannot read $len_cache");
|
|
$cached_limit = <$fh>;
|
|
close $fh;
|
|
} else {
|
|
$cached_limit = real_max_length();
|
|
# If $HOME is write protected: Do not fail
|
|
mkdir($ENV{'HOME'} . "/.parallel");
|
|
mkdir($ENV{'HOME'} . "/.parallel/tmp");
|
|
open(my $fh, ">", $len_cache);
|
|
print $fh $cached_limit;
|
|
close $fh;
|
|
}
|
|
$Limits::Command::line_max_len = $cached_limit;
|
|
if($opt::max_chars) {
|
|
if($opt::max_chars <= $cached_limit) {
|
|
$Limits::Command::line_max_len = $opt::max_chars;
|
|
} else {
|
|
::warning("Value for -s option ",
|
|
"should be < $cached_limit.\n");
|
|
}
|
|
}
|
|
}
|
|
return $Limits::Command::line_max_len;
|
|
}
|
|
|
|
sub real_max_length {
|
|
# Find the max_length of a command line
|
|
# Returns:
|
|
# The maximal command line length
|
|
# Use an upper bound of 8 MB if the shell allows for for infinite long lengths
|
|
my $upper = 8_000_000;
|
|
my $len = 8;
|
|
do {
|
|
if($len > $upper) { return $len };
|
|
$len *= 16;
|
|
} while (is_acceptable_command_line_length($len));
|
|
# Then search for the actual max length between 0 and upper bound
|
|
return binary_find_max_length(int($len/16),$len);
|
|
}
|
|
|
|
sub binary_find_max_length {
|
|
# Given a lower and upper bound find the max_length of a command line
|
|
# Returns:
|
|
# number of chars on the longest command line allowed
|
|
my ($lower, $upper) = (@_);
|
|
if($lower == $upper or $lower == $upper-1) { return $lower; }
|
|
my $middle = int (($upper-$lower)/2 + $lower);
|
|
::debug("init", "Maxlen: $lower,$upper,$middle : ");
|
|
if (is_acceptable_command_line_length($middle)) {
|
|
return binary_find_max_length($middle,$upper);
|
|
} else {
|
|
return binary_find_max_length($lower,$middle);
|
|
}
|
|
}
|
|
|
|
sub is_acceptable_command_line_length {
|
|
# Test if a command line of this length can run
|
|
# Returns:
|
|
# 0 if the command line length is too long
|
|
# 1 otherwise
|
|
my $len = shift;
|
|
|
|
local *STDERR;
|
|
open (STDERR, ">", "/dev/null");
|
|
system "true "."x"x$len;
|
|
close STDERR;
|
|
::debug("init", "$len=$? ");
|
|
return not $?;
|
|
}
|
|
|
|
|
|
package RecordQueue;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $fhs = shift;
|
|
my $colsep = shift;
|
|
my @unget = ();
|
|
my $arg_sub_queue;
|
|
if($colsep) {
|
|
# Open one file with colsep
|
|
$arg_sub_queue = RecordColQueue->new($fhs);
|
|
} else {
|
|
# Open one or more files if multiple -a
|
|
$arg_sub_queue = MultifileQueue->new($fhs);
|
|
}
|
|
return bless {
|
|
'unget' => \@unget,
|
|
'arg_number' => 0,
|
|
'arg_sub_queue' => $arg_sub_queue,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub get {
|
|
# Returns:
|
|
# reference to array of Arg-objects
|
|
my $self = shift;
|
|
if(@{$self->{'unget'}}) {
|
|
$self->{'arg_number'}++;
|
|
return shift @{$self->{'unget'}};
|
|
}
|
|
my $ret = $self->{'arg_sub_queue'}->get();
|
|
if(defined $Global::max_number_of_args
|
|
and $Global::max_number_of_args == 0) {
|
|
::debug("run", "Read 1 but return 0 args\n");
|
|
return [Arg->new("")];
|
|
} else {
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
sub unget {
|
|
my $self = shift;
|
|
::debug("run", "RecordQueue-unget '@_'\n");
|
|
$self->{'arg_number'} -= @_;
|
|
unshift @{$self->{'unget'}}, @_;
|
|
}
|
|
|
|
sub empty {
|
|
my $self = shift;
|
|
my $empty = not @{$self->{'unget'}};
|
|
$empty &&= $self->{'arg_sub_queue'}->empty();
|
|
::debug("run", "RecordQueue->empty $empty");
|
|
return $empty;
|
|
}
|
|
|
|
sub arg_number {
|
|
my $self = shift;
|
|
return $self->{'arg_number'};
|
|
}
|
|
|
|
|
|
package RecordColQueue;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $fhs = shift;
|
|
my @unget = ();
|
|
my $arg_sub_queue = MultifileQueue->new($fhs);
|
|
return bless {
|
|
'unget' => \@unget,
|
|
'arg_sub_queue' => $arg_sub_queue,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub get {
|
|
# Returns:
|
|
# reference to array of Arg-objects
|
|
my $self = shift;
|
|
if(@{$self->{'unget'}}) {
|
|
return shift @{$self->{'unget'}};
|
|
}
|
|
my $unget_ref=$self->{'unget'};
|
|
if($self->{'arg_sub_queue'}->empty()) {
|
|
return undef;
|
|
}
|
|
my $in_record = $self->{'arg_sub_queue'}->get();
|
|
if(defined $in_record) {
|
|
my @out_record = ();
|
|
for my $arg (@$in_record) {
|
|
::debug("run", "RecordColQueue::arg $arg\n");
|
|
my $line = $arg->orig();
|
|
::debug("run", "line='$line'\n");
|
|
if($line ne "") {
|
|
for my $s (split /$opt::colsep/o, $line, -1) {
|
|
push @out_record, Arg->new($s);
|
|
}
|
|
} else {
|
|
push @out_record, Arg->new("");
|
|
}
|
|
}
|
|
return \@out_record;
|
|
} else {
|
|
return undef;
|
|
}
|
|
}
|
|
|
|
sub unget {
|
|
my $self = shift;
|
|
::debug("run", "RecordColQueue-unget '@_'\n");
|
|
unshift @{$self->{'unget'}}, @_;
|
|
}
|
|
|
|
sub empty {
|
|
my $self = shift;
|
|
my $empty = (not @{$self->{'unget'}} and $self->{'arg_sub_queue'}->empty());
|
|
::debug("run", "RecordColQueue->empty $empty");
|
|
return $empty;
|
|
}
|
|
|
|
|
|
package MultifileQueue;
|
|
|
|
@Global::unget_argv=();
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $fhs = shift;
|
|
for my $fh (@$fhs) {
|
|
if(-t $fh) {
|
|
::warning("Input is read from the terminal. ".
|
|
"Only experts do this on purpose. ".
|
|
"Press CTRL-D to exit.\n");
|
|
}
|
|
}
|
|
return bless {
|
|
'unget' => \@Global::unget_argv,
|
|
'fhs' => $fhs,
|
|
'arg_matrix' => undef,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub get {
|
|
my $self = shift;
|
|
if($opt::xapply) {
|
|
return $self->xapply_get();
|
|
} else {
|
|
return $self->nest_get();
|
|
}
|
|
}
|
|
|
|
sub unget {
|
|
my $self = shift;
|
|
::debug("run", "MultifileQueue-unget '@_'\n");
|
|
unshift @{$self->{'unget'}}, @_;
|
|
}
|
|
|
|
sub empty {
|
|
my $self = shift;
|
|
my $empty = (not @Global::unget_argv
|
|
and not @{$self->{'unget'}});
|
|
for my $fh (@{$self->{'fhs'}}) {
|
|
$empty &&= eof($fh);
|
|
}
|
|
::debug("run", "MultifileQueue->empty $empty ");
|
|
return $empty;
|
|
}
|
|
|
|
sub xapply_get {
|
|
my $self = shift;
|
|
if(@{$self->{'unget'}}) {
|
|
return shift @{$self->{'unget'}};
|
|
}
|
|
my @record = ();
|
|
my $prepend = undef;
|
|
my $empty = 1;
|
|
for my $fh (@{$self->{'fhs'}}) {
|
|
my $arg = read_arg_from_fh($fh);
|
|
if(defined $arg) {
|
|
# Record $arg for recycling at end of file
|
|
push @{$self->{'arg_matrix'}{$fh}}, $arg;
|
|
push @record, $arg;
|
|
$empty = 0;
|
|
} else {
|
|
::debug("run", "EOA ");
|
|
# End of file: Recycle arguments
|
|
push @{$self->{'arg_matrix'}{$fh}}, shift @{$self->{'arg_matrix'}{$fh}};
|
|
# return last @{$args->{'args'}{$fh}};
|
|
push @record, @{$self->{'arg_matrix'}{$fh}}[-1];
|
|
}
|
|
}
|
|
if($empty) {
|
|
return undef;
|
|
} else {
|
|
return \@record;
|
|
}
|
|
}
|
|
|
|
sub nest_get {
|
|
my $self = shift;
|
|
if(@{$self->{'unget'}}) {
|
|
return shift @{$self->{'unget'}};
|
|
}
|
|
my @record = ();
|
|
my $prepend = undef;
|
|
my $empty = 1;
|
|
my $no_of_inputsources = $#{$self->{'fhs'}} + 1;
|
|
if(not $self->{'arg_matrix'}) {
|
|
# Initialize @arg_matrix with one arg from each file
|
|
# read one line from each file
|
|
my @first_arg_set;
|
|
my $all_empty = 1;
|
|
for (my $fhno = 0; $fhno < $no_of_inputsources ; $fhno++) {
|
|
my $arg = read_arg_from_fh($self->{'fhs'}[$fhno]);
|
|
if(defined $arg) {
|
|
$all_empty = 0;
|
|
}
|
|
$self->{'arg_matrix'}[$fhno][0] = $arg || Arg->new("");
|
|
push @first_arg_set, $self->{'arg_matrix'}[$fhno][0];
|
|
}
|
|
if($all_empty) {
|
|
# All filehandles were at eof or eof-string
|
|
return undef;
|
|
}
|
|
return [@first_arg_set];
|
|
}
|
|
|
|
# Treat the case with one input source special. For multiple
|
|
# input sources we need to remember all previously read values to
|
|
# generate all combinations. But for one input source we can
|
|
# forget the value after first use.
|
|
if($no_of_inputsources == 1) {
|
|
my $arg = read_arg_from_fh($self->{'fhs'}[0]);
|
|
if(defined($arg)) {
|
|
return [$arg];
|
|
}
|
|
return undef;
|
|
}
|
|
for (my $fhno = $no_of_inputsources - 1; $fhno >= 0; $fhno--) {
|
|
if(eof($self->{'fhs'}[$fhno])) {
|
|
next;
|
|
} else {
|
|
# read one
|
|
my $arg = read_arg_from_fh($self->{'fhs'}[$fhno]);
|
|
defined($arg) || next; # If we just read an EOF string: Treat this as EOF
|
|
my $len = $#{$self->{'arg_matrix'}[$fhno]} + 1;
|
|
$self->{'arg_matrix'}[$fhno][$len] = $arg;
|
|
# make all new combinations
|
|
my @combarg = ();
|
|
for (my $fhn = 0; $fhn < $no_of_inputsources; $fhn++) {
|
|
push @combarg, [0, $#{$self->{'arg_matrix'}[$fhn]}];
|
|
}
|
|
$combarg[$fhno] = [$len,$len]; # Find only combinations with this new entry
|
|
# map combinations
|
|
# [ 1, 3, 7 ], [ 2, 4, 1 ]
|
|
# =>
|
|
# [ m[0][1], m[1][3], m[3][7] ], [ m[0][2], m[1][4], m[2][1] ]
|
|
my @mapped;
|
|
for my $c (expand_combinations(@combarg)) {
|
|
my @a;
|
|
for my $n (0 .. $no_of_inputsources - 1 ) {
|
|
push @a, $self->{'arg_matrix'}[$n][$$c[$n]];
|
|
}
|
|
push @mapped, \@a;
|
|
}
|
|
# append the mapped to the ungotten arguments
|
|
push @{$self->{'unget'}}, @mapped;
|
|
# get the first
|
|
return shift @{$self->{'unget'}};
|
|
}
|
|
}
|
|
# all are eof or at EOF string; return from the unget queue
|
|
return shift @{$self->{'unget'}};
|
|
}
|
|
|
|
sub read_arg_from_fh {
|
|
# Read one Arg from filehandle
|
|
# Returns:
|
|
# Arg-object with one read line
|
|
# undef if end of file
|
|
my $fh = shift;
|
|
my $prepend = undef;
|
|
my $arg;
|
|
do {{
|
|
# This makes 10% faster
|
|
if(not ($arg = <$fh>)) {
|
|
if(defined $prepend) {
|
|
return Arg->new($prepend);
|
|
} else {
|
|
return undef;
|
|
}
|
|
}
|
|
# ::debug("run", "read $arg\n");
|
|
# Remove delimiter
|
|
$arg =~ s:$/$::;
|
|
if($Global::end_of_file_string and
|
|
$arg eq $Global::end_of_file_string) {
|
|
# Ignore the rest of input file
|
|
close $fh;
|
|
::debug("run", "EOF-string ($arg) met\n");
|
|
if(defined $prepend) {
|
|
return Arg->new($prepend);
|
|
} else {
|
|
return undef;
|
|
}
|
|
}
|
|
if(defined $prepend) {
|
|
$arg = $prepend.$arg; # For line continuation
|
|
$prepend = undef; #undef;
|
|
}
|
|
if($Global::ignore_empty) {
|
|
if($arg =~ /^\s*$/) {
|
|
redo; # Try the next line
|
|
}
|
|
}
|
|
if($Global::max_lines) {
|
|
if($arg =~ /\s$/) {
|
|
# Trailing space => continued on next line
|
|
$prepend = $arg;
|
|
redo;
|
|
}
|
|
}
|
|
}} while (1 == 0); # Dummy loop {{}} for redo
|
|
if(defined $arg) {
|
|
return Arg->new($arg);
|
|
} else {
|
|
::die_bug("multiread arg undefined");
|
|
}
|
|
}
|
|
|
|
sub expand_combinations {
|
|
# Input:
|
|
# ([xmin,xmax], [ymin,ymax], ...)
|
|
# Returns: ([x,y,...],[x,y,...])
|
|
# where xmin <= x <= xmax and ymin <= y <= ymax
|
|
my $minmax_ref = shift;
|
|
my $xmin = $$minmax_ref[0];
|
|
my $xmax = $$minmax_ref[1];
|
|
my @p;
|
|
if(@_) {
|
|
# If there are more columns: Compute those recursively
|
|
my @rest = expand_combinations(@_);
|
|
for(my $x = $xmin; $x <= $xmax; $x++) {
|
|
push @p, map { [$x, @$_] } @rest;
|
|
}
|
|
} else {
|
|
for(my $x = $xmin; $x <= $xmax; $x++) {
|
|
push @p, [$x];
|
|
}
|
|
}
|
|
return @p;
|
|
}
|
|
|
|
|
|
package Arg;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $orig = shift;
|
|
my @hostgroups;
|
|
if($opt::hostgroups) {
|
|
if($orig =~ s:@(.+)::) {
|
|
# We found hostgroups on the arg
|
|
@hostgroups = split(/\+/, $1);
|
|
if(not grep { defined $Global::hostgroups{$_} } @hostgroups) {
|
|
::warning("No such hostgroup (@hostgroups)\n");
|
|
@hostgroups = (keys %Global::hostgroups);
|
|
}
|
|
} else {
|
|
@hostgroups = (keys %Global::hostgroups);
|
|
}
|
|
}
|
|
return bless {
|
|
'orig' => $orig,
|
|
'hostgroups' => \@hostgroups,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub replace {
|
|
# Calculates the corresponding value for a given perl expression
|
|
# Returns:
|
|
# The calculated string (quoted if asked for)
|
|
my $self = shift;
|
|
my $perlexpr = shift; # E.g. $_=$_ or s/.gz//
|
|
my $quote = (shift) ? 1 : 0; # should the string be quoted?
|
|
# This is actually a CommandLine-object,
|
|
# but it looks nice to be able to say {= $job->slot() =}
|
|
my $job = shift;
|
|
$perlexpr =~ s/^-?\d+ //; # Positional replace treated as normal replace
|
|
if(not defined $self->{"rpl",0,$perlexpr}) {
|
|
local $_;
|
|
if($Global::trim eq "n") {
|
|
$_ = $self->{'orig'};
|
|
} else {
|
|
$_ = trim_of($self->{'orig'});
|
|
}
|
|
::debug("replace", "eval ", $perlexpr, " ", $_, "\n");
|
|
if(not $Global::perleval{$perlexpr}) {
|
|
# Make an anonymous function of the $perlexpr
|
|
# And more importantly: Compile it only once
|
|
if($Global::perleval{$perlexpr} =
|
|
eval('sub { no strict; no warnings; my $job = shift; '.
|
|
$perlexpr.' }')) {
|
|
# All is good
|
|
} else {
|
|
# The eval failed. Maybe $perlexpr is invalid perl?
|
|
::error("Cannot use $perlexpr: $@\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
# Execute the function
|
|
$Global::perleval{$perlexpr}->($job);
|
|
$self->{"rpl",0,$perlexpr} = $_;
|
|
}
|
|
if(not defined $self->{"rpl",$quote,$perlexpr}) {
|
|
$self->{"rpl",1,$perlexpr} =
|
|
::shell_quote_scalar($self->{"rpl",0,$perlexpr});
|
|
}
|
|
return $self->{"rpl",$quote,$perlexpr};
|
|
}
|
|
|
|
sub orig {
|
|
my $self = shift;
|
|
return $self->{'orig'};
|
|
}
|
|
|
|
sub trim_of {
|
|
# Removes white space as specifed by --trim:
|
|
# n = nothing
|
|
# l = start
|
|
# r = end
|
|
# lr|rl = both
|
|
# Returns:
|
|
# string with white space removed as needed
|
|
my @strings = map { defined $_ ? $_ : "" } (@_);
|
|
my $arg;
|
|
if($Global::trim eq "n") {
|
|
# skip
|
|
} elsif($Global::trim eq "l") {
|
|
for my $arg (@strings) { $arg =~ s/^\s+//; }
|
|
} elsif($Global::trim eq "r") {
|
|
for my $arg (@strings) { $arg =~ s/\s+$//; }
|
|
} elsif($Global::trim eq "rl" or $Global::trim eq "lr") {
|
|
for my $arg (@strings) { $arg =~ s/^\s+//; $arg =~ s/\s+$//; }
|
|
} else {
|
|
::error("--trim must be one of: r l rl lr.\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
return wantarray ? @strings : "@strings";
|
|
}
|
|
|
|
|
|
package TimeoutQueue;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $delta_time = shift;
|
|
my ($pct);
|
|
if($delta_time =~ /(\d+(\.\d+)?)%/) {
|
|
# Timeout in percent
|
|
$pct = $1/100;
|
|
$delta_time = 1_000_000;
|
|
}
|
|
return bless {
|
|
'queue' => [],
|
|
'delta_time' => $delta_time,
|
|
'pct' => $pct,
|
|
'remedian_idx' => 0,
|
|
'remedian_arr' => [],
|
|
'remedian' => undef,
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub delta_time {
|
|
my $self = shift;
|
|
return $self->{'delta_time'};
|
|
}
|
|
|
|
sub set_delta_time {
|
|
my $self = shift;
|
|
$self->{'delta_time'} = shift;
|
|
}
|
|
|
|
sub remedian {
|
|
my $self = shift;
|
|
return $self->{'remedian'};
|
|
}
|
|
|
|
sub set_remedian {
|
|
# Set median of the last 999^3 (=997002999) values using Remedian
|
|
#
|
|
# Rousseeuw, Peter J., and Gilbert W. Bassett Jr. "The remedian: A
|
|
# robust averaging method for large data sets." Journal of the
|
|
# American Statistical Association 85.409 (1990): 97-104.
|
|
my $self = shift;
|
|
my $val = shift;
|
|
my $i = $self->{'remedian_idx'}++;
|
|
my $rref = $self->{'remedian_arr'};
|
|
$rref->[0][$i%999] = $val;
|
|
$rref->[1][$i/999%999] = (sort @{$rref->[0]})[$#{$rref->[0]}/2];
|
|
$rref->[2][$i/999/999%999] = (sort @{$rref->[1]})[$#{$rref->[1]}/2];
|
|
$self->{'remedian'} = (sort @{$rref->[2]})[$#{$rref->[2]}/2];
|
|
}
|
|
|
|
sub update_delta_time {
|
|
# Update delta_time based on runtime of finished job if timeout is
|
|
# a percentage
|
|
my $self = shift;
|
|
my $runtime = shift;
|
|
if($self->{'pct'}) {
|
|
$self->set_remedian($runtime);
|
|
$self->{'delta_time'} = $self->{'pct'} * $self->remedian();
|
|
::debug("run", "Timeout: $self->{'delta_time'}s ");
|
|
}
|
|
}
|
|
|
|
sub process_timeouts {
|
|
# Check if there was a timeout
|
|
my $self = shift;
|
|
# $self->{'queue'} is sorted by start time
|
|
while (@{$self->{'queue'}}) {
|
|
my $job = $self->{'queue'}[0];
|
|
if($job->endtime()) {
|
|
# Job already finished. No need to timeout the job
|
|
# This could be because of --keep-order
|
|
shift @{$self->{'queue'}};
|
|
} elsif($job->timedout($self->{'delta_time'})) {
|
|
# Need to shift off queue before kill
|
|
# because kill calls usleep that calls process_timeouts
|
|
shift @{$self->{'queue'}};
|
|
$job->kill();
|
|
} else {
|
|
# Because they are sorted by start time the rest are later
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub insert {
|
|
my $self = shift;
|
|
my $in = shift;
|
|
push @{$self->{'queue'}}, $in;
|
|
}
|
|
|
|
|
|
package Semaphore;
|
|
|
|
# This package provides a counting semaphore
|
|
#
|
|
# If a process dies without releasing the semaphore the next process
|
|
# that needs that entry will clean up dead semaphores
|
|
#
|
|
# The semaphores are stored in ~/.parallel/semaphores/id-<name> Each
|
|
# file in ~/.parallel/semaphores/id-<name>/ is the process ID of the
|
|
# process holding the entry. If the process dies, the entry can be
|
|
# taken by another process.
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $id = shift;
|
|
my $count = shift;
|
|
$id=~s/([^-_a-z0-9])/unpack("H*",$1)/ige; # Convert non-word chars to hex
|
|
$id="id-".$id; # To distinguish it from a process id
|
|
my $parallel_dir = $ENV{'HOME'}."/.parallel";
|
|
-d $parallel_dir or mkdir_or_die($parallel_dir);
|
|
my $parallel_locks = $parallel_dir."/semaphores";
|
|
-d $parallel_locks or mkdir_or_die($parallel_locks);
|
|
my $lockdir = "$parallel_locks/$id";
|
|
my $lockfile = $lockdir.".lock";
|
|
if($count < 1) { ::die_bug("semaphore-count: $count"); }
|
|
return bless {
|
|
'lockfile' => $lockfile,
|
|
'lockfh' => Symbol::gensym(),
|
|
'lockdir' => $lockdir,
|
|
'id' => $id,
|
|
'idfile' => $lockdir."/".$id,
|
|
'pid' => $$,
|
|
'pidfile' => $lockdir."/".$$.'@'.::hostname(),
|
|
'count' => $count + 1 # nlinks returns a link for the 'id-' as well
|
|
}, ref($class) || $class;
|
|
}
|
|
|
|
sub acquire {
|
|
my $self = shift;
|
|
my $sleep = 1; # 1 ms
|
|
my $start_time = time;
|
|
while(1) {
|
|
$self->atomic_link_if_count_less_than() and last;
|
|
::debug("sem", "Remove dead locks");
|
|
my $lockdir = $self->{'lockdir'};
|
|
for my $d (glob "$lockdir/*") {
|
|
::debug("sem", "Lock $d $lockdir\n");
|
|
$d =~ m:$lockdir/([0-9]+)\@([-\._a-z0-9]+)$:o or next;
|
|
my ($pid, $host) = ($1, $2);
|
|
if($host eq ::hostname()) {
|
|
if(not kill 0, $1) {
|
|
::debug("sem", "Dead: $d");
|
|
unlink $d;
|
|
} else {
|
|
::debug("sem", "Alive: $d");
|
|
}
|
|
}
|
|
}
|
|
# try again
|
|
$self->atomic_link_if_count_less_than() and last;
|
|
# Retry slower and slower up to 1 second
|
|
$sleep = ($sleep < 1000) ? ($sleep * 1.1) : ($sleep);
|
|
# Random to avoid every sleeping job waking up at the same time
|
|
::usleep(rand()*$sleep);
|
|
if(defined($opt::timeout) and
|
|
$start_time + $opt::timeout > time) {
|
|
# Acquire the lock anyway
|
|
if(not -e $self->{'idfile'}) {
|
|
open (my $fh, ">", $self->{'idfile'}) or
|
|
::die_bug("timeout_write_idfile: $self->{'idfile'}");
|
|
close $fh;
|
|
}
|
|
link $self->{'idfile'}, $self->{'pidfile'};
|
|
last;
|
|
}
|
|
}
|
|
::debug("sem", "acquired $self->{'pid'}\n");
|
|
}
|
|
|
|
sub release {
|
|
my $self = shift;
|
|
unlink $self->{'pidfile'};
|
|
if($self->nlinks() == 1) {
|
|
# This is the last link, so atomic cleanup
|
|
$self->lock();
|
|
if($self->nlinks() == 1) {
|
|
unlink $self->{'idfile'};
|
|
rmdir $self->{'lockdir'};
|
|
}
|
|
$self->unlock();
|
|
}
|
|
::debug("run", "released $self->{'pid'}\n");
|
|
}
|
|
|
|
sub _release {
|
|
my $self = shift;
|
|
|
|
unlink $self->{'pidfile'};
|
|
$self->lock();
|
|
my $nlinks = $self->nlinks();
|
|
::debug("sem", $nlinks, "<", $self->{'count'});
|
|
if($nlinks-- > 1) {
|
|
unlink $self->{'idfile'};
|
|
open (my $fh, ">", $self->{'idfile'}) or
|
|
::die_bug("write_idfile: $self->{'idfile'}");
|
|
print $fh "#"x$nlinks;
|
|
close $fh;
|
|
} else {
|
|
unlink $self->{'idfile'};
|
|
rmdir $self->{'lockdir'};
|
|
}
|
|
$self->unlock();
|
|
::debug("sem", "released $self->{'pid'}\n");
|
|
}
|
|
|
|
sub atomic_link_if_count_less_than {
|
|
# Link $file1 to $file2 if nlinks to $file1 < $count
|
|
my $self = shift;
|
|
my $retval = 0;
|
|
$self->lock();
|
|
::debug($self->nlinks(), "<", $self->{'count'});
|
|
if($self->nlinks() < $self->{'count'}) {
|
|
-d $self->{'lockdir'} or mkdir_or_die($self->{'lockdir'});
|
|
if(not -e $self->{'idfile'}) {
|
|
open (my $fh, ">", $self->{'idfile'}) or
|
|
::die_bug("write_idfile: $self->{'idfile'}");
|
|
close $fh;
|
|
}
|
|
$retval = link $self->{'idfile'}, $self->{'pidfile'};
|
|
}
|
|
$self->unlock();
|
|
::debug("run", "atomic $retval");
|
|
return $retval;
|
|
}
|
|
|
|
sub _atomic_link_if_count_less_than {
|
|
# Link $file1 to $file2 if nlinks to $file1 < $count
|
|
my $self = shift;
|
|
my $retval = 0;
|
|
$self->lock();
|
|
my $nlinks = $self->nlinks();
|
|
::debug("sem", $nlinks, "<", $self->{'count'});
|
|
if($nlinks++ < $self->{'count'}) {
|
|
-d $self->{'lockdir'} or mkdir_or_die($self->{'lockdir'});
|
|
if(not -e $self->{'idfile'}) {
|
|
open (my $fh, ">", $self->{'idfile'}) or
|
|
::die_bug("write_idfile: $self->{'idfile'}");
|
|
close $fh;
|
|
}
|
|
open (my $fh, ">", $self->{'idfile'}) or
|
|
::die_bug("write_idfile: $self->{'idfile'}");
|
|
print $fh "#"x$nlinks;
|
|
close $fh;
|
|
$retval = link $self->{'idfile'}, $self->{'pidfile'};
|
|
}
|
|
$self->unlock();
|
|
::debug("sem", "atomic $retval");
|
|
return $retval;
|
|
}
|
|
|
|
sub nlinks {
|
|
my $self = shift;
|
|
if(-e $self->{'idfile'}) {
|
|
::debug("sem", "nlinks", (stat(_))[3], "size", (stat(_))[7], "\n");
|
|
return (stat(_))[3];
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
sub lock {
|
|
my $self = shift;
|
|
my $sleep = 100; # 100 ms
|
|
my $total_sleep = 0;
|
|
$Global::use{"Fcntl"} ||= eval "use Fcntl qw(:DEFAULT :flock); 1;";
|
|
my $locked = 0;
|
|
while(not $locked) {
|
|
if(tell($self->{'lockfh'}) == -1) {
|
|
# File not open
|
|
open($self->{'lockfh'}, ">", $self->{'lockfile'})
|
|
or ::debug("run", "Cannot open $self->{'lockfile'}");
|
|
}
|
|
if($self->{'lockfh'}) {
|
|
# File is open
|
|
chmod 0666, $self->{'lockfile'}; # assuming you want it a+rw
|
|
if(flock($self->{'lockfh'}, LOCK_EX()|LOCK_NB())) {
|
|
# The file is locked: No need to retry
|
|
$locked = 1;
|
|
last;
|
|
} else {
|
|
if ($! =~ m/Function not implemented/) {
|
|
::warning("flock: $!");
|
|
::warning("Will wait for a random while\n");
|
|
::usleep(rand(5000));
|
|
# File cannot be locked: No need to retry
|
|
$locked = 2;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
# Locking failed in first round
|
|
# Sleep and try again
|
|
$sleep = ($sleep < 1000) ? ($sleep * 1.1) : ($sleep);
|
|
# Random to avoid every sleeping job waking up at the same time
|
|
::usleep(rand()*$sleep);
|
|
$total_sleep += $sleep;
|
|
if($opt::semaphoretimeout) {
|
|
if($total_sleep/1000 > $opt::semaphoretimeout) {
|
|
# Timeout: bail out
|
|
::warning("Semaphore timed out. Ignoring timeout.");
|
|
$locked = 3;
|
|
last;
|
|
}
|
|
} else {
|
|
if($total_sleep/1000 > 30) {
|
|
::warning("Semaphore stuck for 30 seconds. Consider using --semaphoretimeout.");
|
|
}
|
|
}
|
|
}
|
|
::debug("run", "locked $self->{'lockfile'}");
|
|
}
|
|
|
|
sub unlock {
|
|
my $self = shift;
|
|
unlink $self->{'lockfile'};
|
|
close $self->{'lockfh'};
|
|
::debug("run", "unlocked\n");
|
|
}
|
|
|
|
sub mkdir_or_die {
|
|
# If dir is not writable: die
|
|
my $dir = shift;
|
|
my @dir_parts = split(m:/:,$dir);
|
|
my ($ddir,$part);
|
|
while(defined ($part = shift @dir_parts)) {
|
|
$part eq "" and next;
|
|
$ddir .= "/".$part;
|
|
-d $ddir and next;
|
|
mkdir $ddir;
|
|
}
|
|
if(not -w $dir) {
|
|
::error("Cannot write to $dir: $!\n");
|
|
::wait_and_exit(255);
|
|
}
|
|
}
|
|
|
|
# Keep perl -w happy
|
|
$opt::x = $Semaphore::timeout = $Semaphore::wait =
|
|
$Job::file_descriptor_warning_printed = 0;
|