rocksdb/db/db_filesnapshot.cc
Abhishek Kona d29f181923 Fix all the lint errors.
Summary:
Scripted and removed all trailing spaces and converted all tabs to
spaces.

Also fixed other lint errors.
All lint errors from this point of time should be taken seriously.

Test Plan: make all check

Reviewers: dhruba

Reviewed By: dhruba

CC: leveldb

Differential Revision: https://reviews.facebook.net/D7059
2012-11-28 17:18:41 -08:00

68 lines
1.7 KiB
C++

// Copyright (c) 2012 Facebook.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "db/db_impl.h"
#include "db/filename.h"
#include <string>
#include <stdint.h>
#include "db/version_set.h"
#include "leveldb/db.h"
#include "leveldb/env.h"
#include "port/port.h"
#include "util/mutexlock.h"
namespace leveldb {
Status DBImpl::DisableFileDeletions() {
MutexLock l(&mutex_);
disable_delete_obsolete_files_ = true;
return Status::OK();
}
Status DBImpl::EnableFileDeletions() {
MutexLock l(&mutex_);
disable_delete_obsolete_files_ = false;
return Status::OK();
}
Status DBImpl::GetLiveFiles(std::vector<std::string>& ret,
uint64_t* manifest_file_size) {
*manifest_file_size = 0;
// flush all dirty data to disk.
Status status = Flush(FlushOptions());
if (!status.ok()) {
Log(options_.info_log, "Cannot Flush data %s\n",
status.ToString().c_str());
return status;
}
MutexLock l(&mutex_);
// Make a set of all of the live *.sst files
std::set<uint64_t> live;
versions_->AddLiveFilesCurrentVersion(&live);
ret.resize(live.size() + 2); //*.sst + CURRENT + MANIFEST
// create names of the live files. The names are not absolute
// paths, instead they are relative to dbname_;
std::set<uint64_t>::iterator it = live.begin();
for (unsigned int i = 0; i < live.size(); i++, it++) {
ret[i] = TableFileName("", *it);
}
ret[live.size()] = CurrentFileName("");
ret[live.size()+1] = DescriptorFileName("",
versions_->ManifestFileNumber());
// find length of manifest file while holding the mutex lock
*manifest_file_size = versions_->ManifestFileSize();
return Status::OK();
}
}