1
0
mirror of https://github.com/danog/ton.git synced 2024-12-03 09:58:01 +01:00
ton/tdutils/td/utils/TsFileLog.cpp

101 lines
2.6 KiB
C++

/*
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 "TsFileLog.h"
#include <limits>
namespace td {
namespace detail {
class TsFileLog : public LogInterface {
public:
Status init(string path) {
path_ = std::move(path);
for (int i = 0; i < (int)logs_.size(); i++) {
logs_[i].id = i;
}
return init_info(&logs_[0]);
}
vector<string> get_file_paths() override {
vector<string> res;
for (auto &log : logs_) {
res.push_back(get_path(&log));
}
return res;
}
void append(CSlice cslice) override {
return append(cslice, -1);
}
void append(CSlice cslice, int log_level) override {
get_current_logger()->append(cslice, log_level);
}
private:
struct Info {
FileLog log;
std::atomic<bool> is_inited{false};
int id;
};
static constexpr int MAX_THREAD_ID = 128;
std::string path_;
std::array<Info, MAX_THREAD_ID> logs_;
LogInterface *get_current_logger() {
auto *info = get_current_info();
if (!info->is_inited.load(std::memory_order_relaxed)) {
CHECK(init_info(info).is_ok());
}
return &info->log;
}
Info *get_current_info() {
return &logs_[get_thread_id()];
}
Status init_info(Info *info) {
TRY_STATUS(info->log.init(get_path(info), std::numeric_limits<int64>::max(), info->id == 0));
info->is_inited = true;
return Status::OK();
}
string get_path(Info *info) {
if (info->id == 0) {
return path_;
}
return PSTRING() << path_ << ".thread" << info->id << ".log";
}
void rotate() override {
for (auto &info : logs_) {
if (info.is_inited.load(std::memory_order_consume)) {
info.log.rotate();
}
}
}
};
} // namespace detail
Result<td::unique_ptr<LogInterface>> TsFileLog::create(string path) {
auto res = td::make_unique<detail::TsFileLog>();
TRY_STATUS(res->init(path));
return std::move(res);
}
} // namespace td