nghttp2/src/shrpx_log_config.cc

128 lines
3.8 KiB
C++

/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2014 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "shrpx_log_config.h"
#include <unistd.h>
#include <thread>
#include <sstream>
#include "util.h"
using namespace nghttp2;
namespace shrpx {
Timestamp::Timestamp(const std::chrono::system_clock::time_point &tp) {
time_local = util::format_common_log(time_local_buf.data(), tp);
time_iso8601 = util::format_iso8601(time_iso8601_buf.data(), tp);
time_http = util::format_http_date(time_http_buf.data(), tp);
}
LogConfig::LogConfig()
: time_str_updated(std::chrono::system_clock::now()),
tstamp(std::make_shared<Timestamp>(time_str_updated)),
pid(getpid()),
accesslog_fd(-1),
errorlog_fd(-1),
errorlog_tty(false) {
auto tid = std::this_thread::get_id();
auto tid_hash =
util::hash32(StringRef{reinterpret_cast<uint8_t *>(&tid),
reinterpret_cast<uint8_t *>(&tid) + sizeof(tid)});
thread_id = util::format_hex(reinterpret_cast<uint8_t *>(&tid_hash),
sizeof(tid_hash));
}
#ifndef NOTHREADS
#ifdef HAVE_THREAD_LOCAL
namespace {
thread_local std::unique_ptr<LogConfig> config = make_unique<LogConfig>();
} // namespace
LogConfig *log_config() { return config.get(); }
void delete_log_config() {}
#else // !HAVE_THREAD_LOCAL
namespace {
pthread_key_t lckey;
pthread_once_t lckey_once = PTHREAD_ONCE_INIT;
} // namespace
namespace {
void make_key() { pthread_key_create(&lckey, NULL); }
} // namespace
LogConfig *log_config() {
pthread_once(&lckey_once, make_key);
LogConfig *config = (LogConfig *)pthread_getspecific(lckey);
if (!config) {
config = new LogConfig();
pthread_setspecific(lckey, config);
}
return config;
}
void delete_log_config() { delete log_config(); }
#endif // !HAVE_THREAD_LOCAL
#else // NOTHREADS
namespace {
std::unique_ptr<LogConfig> config = make_unique<LogConfig>();
} // namespace
LogConfig *log_config() { return config.get(); }
void delete_log_config() {}
#endif // NOTHREADS
void LogConfig::update_tstamp_millis(
const std::chrono::system_clock::time_point &now) {
if (std::chrono::duration_cast<std::chrono::milliseconds>(
now.time_since_epoch()) ==
std::chrono::duration_cast<std::chrono::milliseconds>(
time_str_updated.time_since_epoch())) {
return;
}
time_str_updated = now;
tstamp = std::make_shared<Timestamp>(now);
}
void LogConfig::update_tstamp(
const std::chrono::system_clock::time_point &now) {
if (std::chrono::duration_cast<std::chrono::seconds>(
now.time_since_epoch()) ==
std::chrono::duration_cast<std::chrono::seconds>(
time_str_updated.time_since_epoch())) {
return;
}
time_str_updated = now;
tstamp = std::make_shared<Timestamp>(now);
}
} // namespace shrpx