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tdlib-fork/tdutils/test/log.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/utils/benchmark.h"
#include "td/utils/FileLog.h"
#include "td/utils/format.h"
#include "td/utils/logging.h"
#include "td/utils/port/path.h"
#include "td/utils/port/thread.h"
#include "td/utils/Slice.h"
#include "td/utils/tests.h"
#include "td/utils/TsFileLog.h"
#include <functional>
#include <limits>
// Thread safe logging with tests
//
// LOG uses thread local LogInterface
// void append(CSlice slice, int log_level);
template <class Log>
class LogBenchmark : public td::Benchmark {
public:
LogBenchmark(std::string name, int threads_n, std::function<td::unique_ptr<Log>()> creator)
: name_(std::move(name)), threads_n_(threads_n), creator_(std::move(creator)) {
}
std::string get_description() const override {
return PSTRING() << name_ << " " << td::tag("threads_n", threads_n_);
}
void start_up() override {
log_ = creator_();
threads_.resize(threads_n_);
}
void tear_down() override {
for (auto path : log_->get_file_paths()) {
td::unlink(path).ignore();
}
log_.reset();
}
void run(int n) override {
for (auto &thread : threads_) {
thread = td::thread([this, n] { this->run_thread(n); });
}
for (auto &thread : threads_) {
thread.join();
}
}
void run_thread(int n) {
auto str = PSTRING() << "#" << n << " : fsjklfdjsklfjdsklfjdksl\n";
for (int i = 0; i < n; i++) {
log_->append(str);
}
}
private:
std::string name_;
td::unique_ptr<Log> log_;
int threads_n_{0};
std::function<td::unique_ptr<Log>()> creator_;
std::vector<td::thread> threads_;
};
template <class F>
static void bench_log(std::string name, int threads_n, F &&f) {
bench(LogBenchmark<typename decltype(f())::element_type>(std::move(name), threads_n, std::move(f)));
};
TEST(Log, TsLogger) {
bench_log("NewTsFileLog", 4, [] { return td::TsFileLog::create("tmplog").move_as_ok(); });
bench_log("TsFileLog", 8, [] {
class FileLog : public td::LogInterface {
public:
FileLog() {
file_log_.init("tmplog", std::numeric_limits<td::int64>::max(), false).ensure();
ts_log_.init(&file_log_);
}
~FileLog() {
}
void append(td::CSlice slice) override {
ts_log_.append(slice, -1);
}
std::vector<std::string> get_file_paths() override {
return file_log_.get_file_paths();
}
private:
td::FileLog file_log_;
td::TsLog ts_log_{nullptr};
};
return td::make_unique<FileLog>();
});
bench_log("noop", 4, [] {
class NoopLog : public td::LogInterface {
public:
void append(td::CSlice slice) override {
}
};
return td::make_unique<NoopLog>();
});
bench_log("FileLog", 4, [] {
class FileLog : public td::LogInterface {
public:
FileLog() {
file_log_.init("tmplog", std::numeric_limits<td::int64>::max(), false).ensure();
}
~FileLog() {
}
void append(td::CSlice slice) override {
file_log_.append(slice, -1);
}
std::vector<std::string> get_file_paths() override {
return file_log_.get_file_paths();
}
private:
td::FileLog file_log_;
};
return td::make_unique<FileLog>();
});
}