427 lines
19 KiB
C++
427 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
|
|
/*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <sys/syscall.h>
|
|
#include <unistd.h>
|
|
|
|
#include <cerrno>
|
|
#include <cstddef>
|
|
#include <functional>
|
|
#include <iostream>
|
|
#include <thread>
|
|
#include <sstream>
|
|
#include <string>
|
|
|
|
#include <Poco/DateTime.h>
|
|
#include <Poco/DateTimeFormat.h>
|
|
#include <Poco/DateTimeFormatter.h>
|
|
#include <Poco/Logger.h>
|
|
|
|
#ifdef __ANDROID__
|
|
#include <android/log.h>
|
|
#endif
|
|
|
|
#include "Util.hpp"
|
|
|
|
inline std::ostream& operator<< (std::ostream& os, const Poco::Timestamp& ts)
|
|
{
|
|
os << Poco::DateTimeFormatter::format(Poco::DateTime(ts),
|
|
Poco::DateTimeFormat::ISO8601_FRAC_FORMAT);
|
|
return os;
|
|
}
|
|
|
|
inline std::ostream& operator<< (std::ostream& os, const std::chrono::system_clock::time_point& ts)
|
|
{
|
|
os << Util::getIso8601FracformatTime(ts);
|
|
return os;
|
|
}
|
|
|
|
namespace Log
|
|
{
|
|
/// Initialize the logging system.
|
|
void initialize(const std::string& name,
|
|
const std::string& logLevel,
|
|
const bool withColor,
|
|
const bool logToFile,
|
|
const std::map<std::string, std::string>& config);
|
|
|
|
/// Returns the underlying logging system.
|
|
Poco::Logger& logger();
|
|
|
|
/// Shutdown and release the logging system.
|
|
void shutdown();
|
|
|
|
#if !MOBILEAPP
|
|
extern bool IsShutdown;
|
|
|
|
/// Was static shutdown() called? If so, producing more logs should be avoided.
|
|
inline bool isShutdownCalled() { return IsShutdown; }
|
|
#else
|
|
constexpr bool isShutdownCalled() { return false; }
|
|
#endif
|
|
|
|
/// Generates log entry prefix. Example follows (without the pipes).
|
|
/// |wsd-07272-07298 2020-04-25 17:29:28.928697 [ websrv_poll ] TRC |
|
|
/// This is fully signal-safe. Buffer must be at least 128 bytes.
|
|
char* prefix(const Poco::DateTime& time, char* buffer, const char* level);
|
|
template <int Size> inline char* prefix(char buffer[Size], const char* level)
|
|
{
|
|
static_assert(Size >= 128, "Buffer size must be at least 128 bytes.");
|
|
return prefix(Poco::DateTime(), buffer, level);
|
|
}
|
|
|
|
inline bool traceEnabled() { return logger().trace(); }
|
|
inline bool debugEnabled() { return logger().debug(); }
|
|
inline bool infoEnabled() { return logger().information(); }
|
|
inline bool warnEnabled() { return logger().warning(); }
|
|
inline bool errorEnabled() { return logger().error(); }
|
|
inline bool fatalEnabled() { return logger().fatal(); }
|
|
|
|
/// Signal safe prefix logging
|
|
void signalLogPrefix();
|
|
/// Signal safe logging
|
|
void signalLog(const char* message);
|
|
/// Signal log number
|
|
void signalLogNumber(std::size_t num);
|
|
|
|
/// The following is to write streaming logs.
|
|
/// Log::info() << "Value: 0x" << std::hex << value
|
|
/// << ", pointer: " << this << Log::end;
|
|
static const struct _end_marker
|
|
{
|
|
_end_marker()
|
|
{
|
|
}
|
|
} end;
|
|
|
|
/// Helper class to support implementing streaming
|
|
/// operator for logging.
|
|
class StreamLogger
|
|
{
|
|
public:
|
|
/// No-op instance.
|
|
StreamLogger()
|
|
: _enabled(false)
|
|
{
|
|
}
|
|
|
|
StreamLogger(std::function<void(const std::string&)> func, const char*level)
|
|
: _func(std::move(func)),
|
|
_enabled(true)
|
|
{
|
|
char buffer[1024];
|
|
_stream << prefix<sizeof(buffer) - 1>(buffer, level);
|
|
}
|
|
|
|
StreamLogger(StreamLogger&& sl) noexcept
|
|
: _stream(sl._stream.str()),
|
|
_func(std::move(sl._func)),
|
|
_enabled(sl._enabled)
|
|
{
|
|
}
|
|
|
|
bool enabled() const { return _enabled; }
|
|
|
|
void flush() const
|
|
{
|
|
if (_enabled)
|
|
{
|
|
_func(_stream.str());
|
|
}
|
|
}
|
|
|
|
std::ostringstream& getStream() { return _stream; }
|
|
|
|
private:
|
|
std::ostringstream _stream;
|
|
|
|
std::function<void(const std::string&)> _func;
|
|
const bool _enabled;
|
|
};
|
|
|
|
inline StreamLogger trace()
|
|
{
|
|
return traceEnabled()
|
|
? StreamLogger([](const std::string& msg) { logger().trace(msg); }, "TRC")
|
|
: StreamLogger();
|
|
}
|
|
|
|
inline StreamLogger debug()
|
|
{
|
|
return debugEnabled()
|
|
? StreamLogger([](const std::string& msg) { logger().debug(msg); }, "DBG")
|
|
: StreamLogger();
|
|
}
|
|
|
|
inline StreamLogger info()
|
|
{
|
|
return infoEnabled()
|
|
? StreamLogger([](const std::string& msg) { logger().information(msg); }, "INF")
|
|
: StreamLogger();
|
|
}
|
|
|
|
inline StreamLogger warn()
|
|
{
|
|
return warnEnabled()
|
|
? StreamLogger([](const std::string& msg) { logger().warning(msg); }, "WRN")
|
|
: StreamLogger();
|
|
}
|
|
|
|
inline StreamLogger error()
|
|
{
|
|
return errorEnabled()
|
|
? StreamLogger([](const std::string& msg) { logger().error(msg); }, "ERR")
|
|
: StreamLogger();
|
|
}
|
|
|
|
inline StreamLogger fatal()
|
|
{
|
|
return fatalEnabled()
|
|
? StreamLogger([](const std::string& msg) { logger().fatal(msg); }, "FTL")
|
|
: StreamLogger();
|
|
}
|
|
|
|
template <typename U>
|
|
StreamLogger& operator<<(StreamLogger& lhs, const U& rhs)
|
|
{
|
|
if (lhs.enabled())
|
|
{
|
|
lhs.getStream() << rhs;
|
|
}
|
|
|
|
return lhs;
|
|
}
|
|
|
|
template <typename U>
|
|
StreamLogger& operator<<(StreamLogger&& lhs, U&& rhs)
|
|
{
|
|
if (lhs.enabled())
|
|
{
|
|
lhs.getStream() << rhs;
|
|
}
|
|
|
|
return lhs;
|
|
}
|
|
|
|
inline StreamLogger& operator<<(StreamLogger& lhs, const Poco::Timestamp& rhs)
|
|
{
|
|
if (lhs.enabled())
|
|
{
|
|
lhs.getStream() << Poco::DateTimeFormatter::format(Poco::DateTime(rhs),
|
|
Poco::DateTimeFormat::ISO8601_FRAC_FORMAT);
|
|
}
|
|
|
|
return lhs;
|
|
}
|
|
|
|
inline StreamLogger& operator<<(StreamLogger& lhs, const std::chrono::system_clock::time_point& rhs)
|
|
{
|
|
if (lhs.enabled())
|
|
{
|
|
lhs.getStream() << Util::getIso8601FracformatTime(rhs);
|
|
}
|
|
|
|
return lhs;
|
|
}
|
|
|
|
inline void operator<<(StreamLogger& lhs, const _end_marker&)
|
|
{
|
|
(void)end;
|
|
lhs.flush();
|
|
}
|
|
|
|
/// Dump the invalid id as 0, otherwise dump in hex.
|
|
inline std::string to_string(const std::thread::id& id)
|
|
{
|
|
if (id != std::thread::id())
|
|
{
|
|
std::ostringstream os;
|
|
os << std::hex << "0x" << id;
|
|
return os.str();
|
|
}
|
|
|
|
return "0";
|
|
}
|
|
|
|
inline StreamLogger& operator<<(StreamLogger& lhs, const std::thread::id& rhs)
|
|
{
|
|
if (lhs.enabled())
|
|
{
|
|
lhs.getStream() << Log::to_string(rhs);
|
|
}
|
|
|
|
return lhs;
|
|
}
|
|
|
|
}
|
|
|
|
#ifndef IOS
|
|
#define LOG_FILE_NAME(f) f
|
|
#else
|
|
// We know that when building with Xcode, __FILE__ will always be a full path, with several slashes,
|
|
// so this will always work. We want just the file name, they are unique anyway.
|
|
#define LOG_FILE_NAME(f) (strrchr(f, '/') + 1)
|
|
#endif
|
|
|
|
#define LOG_END(LOG, FILEP) \
|
|
do \
|
|
{ \
|
|
if (FILEP) \
|
|
LOG << "| " << LOG_FILE_NAME(__FILE__) << ':' << __LINE__; \
|
|
LOG.flush(); \
|
|
} while (false)
|
|
|
|
#ifdef __ANDROID__
|
|
|
|
#define LOG_BODY_(LOG, PRIO, LVL, X, FILEP) \
|
|
char b_[1024]; \
|
|
std::ostringstream oss_(Log::prefix<sizeof(b_) - 1>(b_, LVL), std::ostringstream::ate); \
|
|
oss_ << std::boolalpha << X; \
|
|
LOG_END(oss_, FILEP); \
|
|
((void)__android_log_print(ANDROID_LOG_DEBUG, "loolwsd", "%s %s", LVL, oss_.str().c_str()))
|
|
|
|
#else
|
|
|
|
#define LOG_BODY_(LOG, PRIO, LVL, X, FILEP) \
|
|
char b_[1024]; \
|
|
std::ostringstream oss_(Log::prefix<sizeof(b_) - 1>(b_, LVL), std::ostringstream::ate); \
|
|
oss_ << std::boolalpha << X; \
|
|
LOG_END(oss_, FILEP); \
|
|
LOG.log(Poco::Message(LOG.name(), oss_.str(), Poco::Message::PRIO_##PRIO));
|
|
|
|
#endif
|
|
|
|
#define LOG_TRC(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (log_.trace() && !Log::isShutdownCalled()) \
|
|
{ \
|
|
LOG_BODY_(log_, TRACE, "TRC", X, true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_TRC_NOFILE(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (log_.trace() && !Log::isShutdownCalled()) \
|
|
{ \
|
|
LOG_BODY_(log_, TRACE, "TRC", X, false); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_DBG(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (log_.debug() && !Log::isShutdownCalled()) \
|
|
{ \
|
|
LOG_BODY_(log_, DEBUG, "DBG", X, true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_INF(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (log_.information() && !Log::isShutdownCalled()) \
|
|
{ \
|
|
LOG_BODY_(log_, INFORMATION, "INF", X, true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_INF_NOFILE(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (log_.information() && !Log::isShutdownCalled()) \
|
|
{ \
|
|
LOG_BODY_(log_, INFORMATION, "INF", X, false); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_WRN(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (!Log::isShutdownCalled() && log_.warning()) \
|
|
{ \
|
|
LOG_BODY_(log_, WARNING, "WRN", X, true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_ERR(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (!Log::isShutdownCalled() && log_.error()) \
|
|
{ \
|
|
LOG_BODY_(log_, ERROR, "ERR", X, true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_SYS(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (!Log::isShutdownCalled() && log_.error()) \
|
|
{ \
|
|
LOG_BODY_(log_, ERROR, "ERR", \
|
|
X << " (" << Util::symbolicErrno(errno) << ": " << std::strerror(errno) \
|
|
<< ')', \
|
|
true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_FTL(X) \
|
|
do \
|
|
{ \
|
|
std::cerr << X << std::endl; \
|
|
auto& log_ = Log::logger(); \
|
|
if (!Log::isShutdownCalled() && log_.fatal()) \
|
|
{ \
|
|
LOG_BODY_(log_, FATAL, "FTL", X, true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_SFL(X) \
|
|
do \
|
|
{ \
|
|
auto& log_ = Log::logger(); \
|
|
if (!Log::isShutdownCalled() && log_.error()) \
|
|
{ \
|
|
LOG_BODY_(log_, FATAL, "FTL", \
|
|
X << " (" << Util::symbolicErrno(errno) << ": " << std::strerror(errno) \
|
|
<< ')', \
|
|
true); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_CHECK(X) \
|
|
do \
|
|
{ \
|
|
if (!(X)) \
|
|
{ \
|
|
LOG_ERR("Check failed. Expected (" #X ")."); \
|
|
} \
|
|
} while (false)
|
|
|
|
#define LOG_CHECK_RET(X, RET) \
|
|
do \
|
|
{ \
|
|
if (!(X)) \
|
|
{ \
|
|
LOG_ERR("Check failed. Expected (" #X ")."); \
|
|
return RET; \
|
|
} \
|
|
} while (false)
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|