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ton/common/errorlog.cpp

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2019-09-07 12:03:22 +02:00
/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2019 Telegram Systems LLP
*/
#include "errorlog.h"
#include "checksum.h"
#include "td/utils/port/FileFd.h"
#include "td/utils/filesystem.h"
#include "td/utils/port/path.h"
#include "td/utils/Time.h"
#include <mutex>
namespace ton {
namespace errorlog {
td::FileFd fd;
std::mutex init_mutex_;
std::string files_path_;
void ErrorLog::create(std::string db_root) {
init_mutex_.lock();
if (!fd.empty()) {
init_mutex_.unlock();
return;
}
auto path = db_root + "/error";
td::mkdir(path).ensure();
files_path_ = path + "/files";
td::mkdir(files_path_).ensure();
auto R = td::FileFd::open(path + "/log.txt",
td::FileFd::Flags::Write | td::FileFd::Flags::Append | td::FileFd::Flags::Create);
R.ensure();
fd = R.move_as_ok();
init_mutex_.unlock();
}
void ErrorLog::log(std::string error) {
error = PSTRING() << "[" << td::Clocks::system() << "] " << error << "\n";
CHECK(!fd.empty());
auto s = td::Slice{error};
while (s.size() > 0) {
auto R = fd.write(s);
R.ensure();
s.remove_prefix(R.move_as_ok());
}
}
void ErrorLog::log_file(td::BufferSlice data) {
auto filename = sha256_bits256(data.as_slice());
auto path = files_path_ + "/" + filename.to_hex();
td::write_file(path, data.as_slice()).ensure();
}
} // namespace errorlog
} // namespace ton