tdlight/td/telegram/StorageManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/StorageManager.h"
#include "td/telegram/ConfigShared.h"
#include "td/telegram/DialogId.h"
#include "td/telegram/files/FileGcWorker.h"
#include "td/telegram/files/FileStatsWorker.h"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/TdDb.h"
#include "td/db/SqliteDb.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/port/Clocks.h"
#include "td/utils/port/Stat.h"
#include "td/utils/Random.h"
#include "td/utils/Slice.h"
#include "td/utils/Time.h"
namespace td {
tl_object_ptr<td_api::databaseStatistics> DatabaseStats::as_td_api() const {
return make_tl_object<td_api::databaseStatistics>(debug);
}
StorageManager::StorageManager(ActorShared<> parent, int32 scheduler_id)
: parent_(std::move(parent)), scheduler_id_(scheduler_id) {
}
void StorageManager::start_up() {
load_last_gc_timestamp();
schedule_next_gc();
load_fast_stat();
}
void StorageManager::on_new_file(int64 size, int64 real_size, int32 cnt) {
LOG(INFO) << "Add " << cnt << " file of size " << size << " with real size " << real_size
<< " to fast storage statistics";
fast_stat_.cnt += cnt;
#if TD_WINDOWS
auto add_size = size;
#else
auto add_size = real_size;
#endif
fast_stat_.size += add_size;
if (fast_stat_.cnt < 0 || fast_stat_.size < 0) {
LOG(ERROR) << "Wrong fast stat after adding size " << add_size << " and cnt " << cnt;
fast_stat_ = FileTypeStat();
}
save_fast_stat();
}
void StorageManager::get_storage_stats(bool need_all_files, int32 dialog_limit, Promise<FileStats> promise) {
if (is_closed_) {
promise.set_error(Status::Error(500, "Request aborted"));
return;
}
if (pending_storage_stats_.size() != 0) {
if (stats_dialog_limit_ == dialog_limit && need_all_files == stats_need_all_files_) {
pending_storage_stats_.emplace_back(std::move(promise));
return;
}
//TODO group same queries
close_stats_worker();
}
if (!pending_run_gc_.empty()) {
close_gc_worker();
}
stats_dialog_limit_ = dialog_limit;
stats_need_all_files_ = need_all_files;
pending_storage_stats_.emplace_back(std::move(promise));
create_stats_worker();
send_closure(stats_worker_, &FileStatsWorker::get_stats, need_all_files, stats_dialog_limit_ != 0,
PromiseCreator::lambda(
[actor_id = actor_id(this), stats_generation = stats_generation_](Result<FileStats> file_stats) {
send_closure(actor_id, &StorageManager::on_file_stats, std::move(file_stats), stats_generation);
}));
}
void StorageManager::get_storage_stats_fast(Promise<FileStatsFast> promise) {
promise.set_value(FileStatsFast(fast_stat_.size, fast_stat_.cnt, get_database_size(),
get_language_pack_database_size(), get_log_size()));
}
void StorageManager::get_database_stats(Promise<DatabaseStats> promise) {
//TODO: use another thread
auto r_stats = G()->td_db()->get_stats();
if (r_stats.is_error()) {
promise.set_error(r_stats.move_as_error());
} else {
promise.set_value(DatabaseStats(r_stats.move_as_ok()));
}
}
void StorageManager::update_use_storage_optimizer() {
schedule_next_gc();
}
void StorageManager::run_gc(FileGcParameters parameters, Promise<FileStats> promise) {
if (is_closed_) {
promise.set_error(Status::Error(500, "Request aborted"));
return;
}
if (!pending_run_gc_.empty()) {
close_gc_worker();
}
bool split_by_owner_dialog_id = !parameters.owner_dialog_ids.empty() ||
!parameters.exclude_owner_dialog_ids.empty() || parameters.dialog_limit != 0;
get_storage_stats(true /*need_all_files*/, split_by_owner_dialog_id,
PromiseCreator::lambda(
[actor_id = actor_id(this), parameters = std::move(parameters)](Result<FileStats> file_stats) {
send_closure(actor_id, &StorageManager::on_all_files, std::move(parameters),
std::move(file_stats), false);
}));
//NB: get_storage_stats will cancel all gc queries, so promise needs to be added after the call
pending_run_gc_.emplace_back(std::move(promise));
}
void StorageManager::on_file_stats(Result<FileStats> r_file_stats, uint32 generation) {
if (generation != stats_generation_) {
return;
}
if (r_file_stats.is_error()) {
auto promises = std::move(pending_storage_stats_);
for (auto &promise : promises) {
promise.set_error(r_file_stats.error().clone());
}
return;
}
send_stats(r_file_stats.move_as_ok(), stats_dialog_limit_, std::move(pending_storage_stats_));
}
void StorageManager::create_stats_worker() {
CHECK(!is_closed_);
if (stats_worker_.empty()) {
stats_worker_ =
create_actor_on_scheduler<FileStatsWorker>("FileStatsWorker", scheduler_id_, create_reference(),
stats_cancellation_token_source_.get_cancellation_token());
}
}
void StorageManager::on_all_files(FileGcParameters gc_parameters, Result<FileStats> r_file_stats, bool dummy) {
int32 dialog_limit = gc_parameters.dialog_limit;
if (is_closed_ && r_file_stats.is_ok()) {
r_file_stats = Status::Error(500, "Request aborted");
}
if (r_file_stats.is_error()) {
return on_gc_finished(dialog_limit, std::move(r_file_stats), false);
}
create_gc_worker();
send_closure(gc_worker_, &FileGcWorker::run_gc, std::move(gc_parameters), r_file_stats.move_as_ok().all_files,
PromiseCreator::lambda([actor_id = actor_id(this), dialog_limit](Result<FileStats> r_file_stats) {
send_closure(actor_id, &StorageManager::on_gc_finished, dialog_limit, std::move(r_file_stats), false);
}));
}
int64 StorageManager::get_file_size(CSlice path) {
auto r_info = stat(path);
if (r_info.is_error()) {
return 0;
}
auto size = r_info.ok().real_size_;
LOG(DEBUG) << "Add file \"" << path << "\" of size " << size << " to fast storage statistics";
return size;
}
int64 StorageManager::get_database_size() {
int64 size = 0;
G()->td_db()->with_db_path([&size](CSlice path) { size += get_file_size(path); });
return size;
}
int64 StorageManager::get_language_pack_database_size() {
int64 size = 0;
auto path = G()->shared_config().get_option_string("language_pack_database_path");
if (!path.empty()) {
SqliteDb::with_db_path(path, [&size](CSlice path) { size += get_file_size(path); });
}
return size;
}
int64 StorageManager::get_log_size() {
int64 size = 0;
for (auto &log_path : log_interface->get_file_paths()) {
size += get_file_size(log_path);
}
return size;
}
void StorageManager::create_gc_worker() {
CHECK(!is_closed_);
if (gc_worker_.empty()) {
gc_worker_ = create_actor_on_scheduler<FileGcWorker>("FileGcWorker", scheduler_id_, create_reference(),
gc_cancellation_token_source_.get_cancellation_token());
}
}
void StorageManager::on_gc_finished(int32 dialog_limit, Result<FileStats> r_file_stats, bool dummy) {
if (r_file_stats.is_error()) {
if (r_file_stats.error().code() != 500) {
LOG(ERROR) << "GC failed: " << r_file_stats.error();
}
auto promises = std::move(pending_run_gc_);
for (auto &promise : promises) {
promise.set_error(r_file_stats.error().clone());
}
return;
}
send_stats(r_file_stats.move_as_ok(), dialog_limit, std::move(pending_run_gc_));
}
void StorageManager::save_fast_stat() {
G()->td_db()->get_binlog_pmc()->set("fast_file_stat", log_event_store(fast_stat_).as_slice().str());
}
void StorageManager::load_fast_stat() {
auto status = log_event_parse(fast_stat_, G()->td_db()->get_binlog_pmc()->get("fast_file_stat"));
if (status.is_error()) {
fast_stat_ = FileTypeStat();
}
LOG(INFO) << "Loaded fast storage statistics with " << fast_stat_.cnt << " files of total size " << fast_stat_.size;
}
void StorageManager::send_stats(FileStats &&stats, int32 dialog_limit, std::vector<Promise<FileStats>> promises) {
fast_stat_ = stats.get_total_nontemp_stat();
LOG(INFO) << "Recalculate fast storage statistics to " << fast_stat_.cnt << " files of total size "
<< fast_stat_.size;
save_fast_stat();
stats.apply_dialog_limit(dialog_limit);
std::vector<DialogId> dialog_ids = stats.get_dialog_ids();
auto promise =
PromiseCreator::lambda([promises = std::move(promises), stats = std::move(stats)](Result<Unit>) mutable {
for (auto &promise : promises) {
promise.set_value(FileStats(stats));
}
});
send_closure(G()->messages_manager(), &MessagesManager::load_dialogs, std::move(dialog_ids), std::move(promise));
}
ActorShared<> StorageManager::create_reference() {
ref_cnt_++;
return actor_shared(this, 1);
}
void StorageManager::hangup_shared() {
ref_cnt_--;
if (ref_cnt_ == 0) {
stop();
}
}
void StorageManager::close_stats_worker() {
auto promises = std::move(pending_storage_stats_);
pending_storage_stats_.clear();
for (auto &promise : promises) {
promise.set_error(Status::Error(500, "Request aborted"));
}
stats_generation_++;
stats_worker_.reset();
stats_cancellation_token_source_.cancel();
}
void StorageManager::close_gc_worker() {
auto promises = std::move(pending_run_gc_);
pending_run_gc_.clear();
for (auto &promise : promises) {
promise.set_error(Status::Error(500, "Request aborted"));
}
gc_worker_.reset();
gc_cancellation_token_source_.cancel();
}
void StorageManager::hangup() {
is_closed_ = true;
close_stats_worker();
close_gc_worker();
hangup_shared();
}
uint32 StorageManager::load_last_gc_timestamp() {
last_gc_timestamp_ = to_integer<uint32>(G()->td_db()->get_binlog_pmc()->get("files_gc_ts"));
return last_gc_timestamp_;
}
void StorageManager::save_last_gc_timestamp() {
last_gc_timestamp_ = static_cast<uint32>(Clocks::system());
G()->td_db()->get_binlog_pmc()->set("files_gc_ts", to_string(last_gc_timestamp_));
}
void StorageManager::schedule_next_gc() {
if (!G()->shared_config().get_option_boolean("use_storage_optimizer") &&
!G()->parameters().enable_storage_optimizer) {
next_gc_at_ = 0;
cancel_timeout();
LOG(INFO) << "No next file gc is scheduled";
return;
}
auto sys_time = static_cast<uint32>(Clocks::system());
auto next_gc_at = last_gc_timestamp_ + GC_EACH;
if (next_gc_at < sys_time) {
next_gc_at = sys_time;
}
if (next_gc_at > sys_time + GC_EACH) {
next_gc_at = sys_time + GC_EACH;
}
next_gc_at += Random::fast(GC_DELAY, GC_DELAY + GC_RAND_DELAY);
CHECK(next_gc_at >= sys_time);
auto next_gc_in = next_gc_at - sys_time;
LOG(INFO) << "Schedule next file gc in " << next_gc_in;
next_gc_at_ = Time::now() + next_gc_in;
set_timeout_at(next_gc_at_);
}
void StorageManager::timeout_expired() {
if (next_gc_at_ == 0) {
return;
}
if (!pending_run_gc_.empty() || !pending_storage_stats_.empty()) {
set_timeout_in(60);
return;
}
next_gc_at_ = 0;
run_gc({}, PromiseCreator::lambda([actor_id = actor_id(this)](Result<FileStats> r_stats) {
if (!r_stats.is_error() || r_stats.error().code() != 500) {
// do not save gc timestamp is request was cancelled
send_closure(actor_id, &StorageManager::save_last_gc_timestamp);
}
send_closure(actor_id, &StorageManager::schedule_next_gc);
}));
}
} // namespace td