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spdlog
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Merge pull request #4 from gabime/master

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Merge with upstream
pull/125/head
Rob Patro 10 years ago
parent 956e914346 06e0b0387a
commit d073b97b88
18 changed files with 3104 additions and 3236 deletions
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22
README.md
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@ -5,18 +5,16 @@ Very fast, header only, C++ logging library.
## Install ## Install
Just copy the files to your build tree and use a C++11 compiler Just copy the files to your build tree and use a C++11 compiler
## Tested on: ## Platforms
* gcc 4.8.1 and above * Linux (gcc 4.8.1+, clang 3.5+)
* clang 3.5 * Windows (visual studio 2013+, mingw with g++ 4.9.1+)
* visual studio 2013 * Mac OSX (clang 3.5+)
* mingw with g++ 4.9.x
##Features ##Features
* Very fast - performance is the primary goal (see [benchmarks](#benchmarks) below). * Very fast - performance is the primary goal (see [benchmarks](#benchmarks) below).
* Headers only. * Headers only.
* No dependencies - just copy and use. * No dependencies - just copy and use.
* Cross platform - Linux / Windows on 32/64 bits. * Feature rich [call style](#usage-example) using the excellent [cppformat](http://cppformat.github.io/) library.
* **new!** Feature rich [call style](#usage-example) using the excellent [cppformat](http://cppformat.github.io/) library.
* ostream call style is supported too. * ostream call style is supported too.
* Extremely fast asynchronous mode (optional) - using lockfree queues and other tricks to reach millions of calls/sec. * Extremely fast asynchronous mode (optional) - using lockfree queues and other tricks to reach millions of calls/sec.
* [Custom](https://github.com/gabime/spdlog/wiki/Custom-formatting) formatting. * [Custom](https://github.com/gabime/spdlog/wiki/Custom-formatting) formatting.
@ -98,6 +96,11 @@ int main(int, char* [])
for(int i = 0; i < 10; ++i) for(int i = 0; i < 10; ++i)
file_logger->info("{} * {} equals {:>10}", i, i, i*i); file_logger->info("{} * {} equals {:>10}", i, i, i*i);
//
// Create a daily logger - a new file is created every day on 2:30am
//
auto daily_logger = spd::daily_logger_mt("daily_logger", "logs/daily", 2, 30);
// //
// Customize msg format for all messages // Customize msg format for all messages
// //
@ -148,5 +151,8 @@ void custom_class_example()
spdlog::get("console")->info("custom class with operator<<: {}..", c); spdlog::get("console")->info("custom class with operator<<: {}..", c);
spdlog::get("console")->info() << "custom class with operator<<: " << c << ".."; spdlog::get("console")->info() << "custom class with operator<<: " << c << "..";
} }
``` ```
## Documentation
Documentation can be found in the [wiki](https://github.com/gabime/spdlog/wiki/1.-QuickStart) pages.

235
bench/results.txt
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@ -1,235 +0,0 @@
----------------------------------------------------------
Single threaded benchmarks.. (1 thread, 1,000,000 lines)
----------------------------------------------------------
**************** boost-bench ****************
real 0m4.382s
user 0m4.213s
sys 0m0.048s
real 0m4.159s
user 0m4.120s
sys 0m0.040s
real 0m4.169s
user 0m4.117s
sys 0m0.052s
**************** glog-bench ****************
real 0m1.082s
user 0m0.944s
sys 0m0.136s
real 0m1.079s
user 0m0.977s
sys 0m0.101s
real 0m1.066s
user 0m0.951s
sys 0m0.114s
**************** easylogging-bench ****************
real 0m0.975s
user 0m0.963s
sys 0m0.012s
real 0m0.986s
user 0m0.954s
sys 0m0.033s
real 0m0.963s
user 0m0.919s
sys 0m0.044s
**************** spdlog-bench ****************
real 0m0.302s
user 0m0.285s
sys 0m0.016s
real 0m0.311s
user 0m0.287s
sys 0m0.025s
real 0m0.308s
user 0m0.276s
sys 0m0.032s
----------------------------------------------------------
Multi threaded benchmarks.. (10 threads, 1,000,000 lines)
----------------------------------------------------------
**************** boost-bench-mt ****************
real 0m16.293s
user 0m38.723s
sys 0m8.469s
real 0m16.029s
user 0m39.186s
sys 0m8.413s
real 0m16.257s
user 0m38.322s
sys 0m7.880s
**************** glog-bench-mt ****************
real 0m4.455s
user 0m12.871s
sys 0m13.508s
real 0m5.039s
user 0m14.239s
sys 0m15.900s
real 0m3.032s
user 0m8.654s
sys 0m9.473s
**************** easylogging-bench-mt ****************
real 0m4.076s
user 0m4.350s
sys 0m2.861s
real 0m2.857s
user 0m3.270s
sys 0m1.744s
real 0m4.588s
user 0m5.085s
sys 0m3.058s
**************** spdlog-bench-mt ****************
real 0m2.374s
user 0m4.369s
sys 0m10.426s
real 0m0.968s
user 0m1.804s
sys 0m4.186s
real 0m1.527s
user 0m3.132s
sys 0m6.427s
----------------------------------------------------------
Multi threaded benchmarks.. (100 threads, 1,000,000 lines)
----------------------------------------------------------
**************** boost-bench-mt ****************
real 0m15.623s
user 0m39.283s
sys 0m8.428s
real 0m15.008s
user 0m36.851s
sys 0m7.956s
real 0m15.478s
user 0m38.873s
sys 0m8.368s
**************** glog-bench-mt ****************
real 0m1.139s
user 0m3.003s
sys 0m5.214s
real 0m1.167s
user 0m3.004s
sys 0m5.431s
real 0m1.159s
user 0m2.909s
sys 0m5.456s
**************** easylogging-bench-mt ****************
real 0m4.510s
user 0m4.565s
sys 0m3.510s
real 0m8.841s
user 0m8.363s
sys 0m7.057s
real 0m5.638s
user 0m5.531s
sys 0m4.168s
**************** spdlog-bench-mt ****************
real 0m0.497s
user 0m0.951s
sys 0m2.743s
real 0m0.502s
user 0m0.940s
sys 0m2.816s
real 0m0.504s
user 0m0.911s
sys 0m2.860s
---------------------------------------------------------------
Async, single threaded benchmark.. (1 thread, 1,000,000 lines)
---------------------------------------------------------------
**************** spdlog-async ****************
Total: 1000000
Threads: 1
Delta = 0.216366 seconds
Rate = 4.62179e+06/sec
Total: 1000000
Threads: 1
Delta = 0.215076 seconds
Rate = 4.64953e+06/sec
Total: 1000000
Threads: 1
Delta = 0.210712 seconds
Rate = 4.74581e+06/sec
**************** g2log-async ****************
Total: 1000000
Threads: 1
Delta = 1.85039 seconds
Rate = 540428/sec
Exiting, log location: logs/g2log-async.g2log.20141220-214929.log
Total: 1000000
Threads: 1
Delta = 1.85434 seconds
Rate = 539274/sec
Exiting, log location: logs/g2log-async.g2log.20141220-214935.log
Total: 1000000
Threads: 1
Delta = 1.86829 seconds
Rate = 535249/sec
Exiting, log location: logs/g2log-async.g2log.20141220-214941.log
---------------------------------------------------------------
Async, multi threaded benchmark.. (10 threads, 1,000,000 lines)
---------------------------------------------------------------
**************** spdlog-async ****************
Total: 1000000
Threads: 10
Delta = 0.175684 seconds
Rate = 5.69204e+06/sec
Total: 1000000
Threads: 10
Delta = 0.173104 seconds
Rate = 5.77688e+06/sec
Total: 1000000
Threads: 10
Delta = 0.173881 seconds
Rate = 5.75106e+06/sec
**************** g2log-async ****************
Total: 1000000
Threads: 10
Delta = 0.945252 seconds
Rate = 1.05792e+06/sec
Exiting, log location: logs/g2log-async.g2log.20141220-214958.log
Total: 1000000
Threads: 10
Delta = 0.950362 seconds
Rate = 1.05223e+06/sec
Exiting, log location: logs/g2log-async.g2log.20141220-215004.log
Total: 1000000
Threads: 10
Delta = 0.943302 seconds
Rate = 1.06011e+06/sec
Exiting, log location: logs/g2log-async.g2log.20141220-215011.log

7
example/bench.cpp
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@ -50,7 +50,8 @@ void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
int howmany = 1048576; int queue_size = 1048576;
int howmany = 1000000;
int threads = 10; int threads = 10;
bool auto_flush = false; bool auto_flush = false;
int file_size = 30 * 1024 * 1024; int file_size = 30 * 1024 * 1024;
@ -63,6 +64,8 @@ int main(int argc, char* argv[])
howmany = atoi(argv[1]); howmany = atoi(argv[1]);
if (argc > 2) if (argc > 2)
threads = atoi(argv[2]); threads = atoi(argv[2]);
if (argc > 3)
queue_size = atoi(argv[3]);
cout << "*******************************************************************************\n"; cout << "*******************************************************************************\n";
@ -92,7 +95,7 @@ int main(int argc, char* argv[])
cout << "*******************************************************************************\n"; cout << "*******************************************************************************\n";
spdlog::set_async_mode(howmany); spdlog::set_async_mode(queue_size);
for(int i = 0; i < 3; ++i) for(int i = 0; i < 3; ++i)
{ {

57
example/example.cpp
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@ -28,20 +28,18 @@
#include <iostream> #include <iostream>
#include "spdlog/spdlog.h" #include "spdlog/spdlog.h"
int main(int, char* []) int main(int, char*[])
{ {
namespace spd = spdlog; namespace spd = spdlog;
try try
{ {
// Set log level to all loggers to debug and above //Create console, multithreaded logger
spd::set_level(spd::level::debug);
// Create console, multithreaded logger
auto console = spd::stdout_logger_mt("console"); auto console = spd::stdout_logger_mt("console");
console->info("Hello {}", 1); console->info("Welcome to spdlog!");
console->info("An info message example {}..", 1); console->info("An info message example {}..", 1);
console->info() << "Streams are supported too " << 1; console->info() << "Streams are supported too " << 1;
//Formatting examples
console->info("Easy padding in numbers like {:08d}", 12); console->info("Easy padding in numbers like {:08d}", 12);
console->info("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42); console->info("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
console->info("Support for floats {:03.2f}", 1.23456); console->info("Support for floats {:03.2f}", 1.23456);
@ -51,37 +49,59 @@ int main(int, char* [])
console->info("{:>30}", "right aligned"); console->info("{:>30}", "right aligned");
console->info("{:^30}", "centered"); console->info("{:^30}", "centered");
//
// Runtime log levels
//
spd::set_level(spd::level::info); //Set global log level to info
console->debug("This message shold not be displayed!");
console->set_level(spd::level::debug); // Set specific logger's log level
console->debug("Now it should..");
//
// Create a file rotating logger with 5mb size max and 3 rotated files // Create a file rotating logger with 5mb size max and 3 rotated files
//
auto file_logger = spd::rotating_logger_mt("file_logger", "logs/mylogfile", 1048576 * 5, 3); auto file_logger = spd::rotating_logger_mt("file_logger", "logs/mylogfile", 1048576 * 5, 3);
file_logger->set_level(spd::level::info); for (int i = 0; i < 10; ++i)
for(int i = 0; i < 10; ++i)
file_logger->info("{} * {} equals {:>10}", i, i, i*i); file_logger->info("{} * {} equals {:>10}", i, i, i*i);
//
// Create a daily logger - a new file is created every day on 2:30am
//
auto daily_logger = spd::daily_logger_mt("daily_logger", "logs/daily", 2, 30);
//
// Customize msg format for all messages // Customize msg format for all messages
//
spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***"); spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
file_logger->info("This is another message with custom format"); file_logger->info("This is another message with custom format");
spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function"); spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
//
// Compile time debug or trace macros.
// Enabled #ifdef SPDLOG_DEBUG_ON or #ifdef SPDLOG_TRACE_ON
//
SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23); SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23); SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
//
// Asynchronous logging is very fast.. // Asynchronous logging is very fast..
// Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous.. // Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
//
size_t q_size = 1048576; //queue size must be power of 2 size_t q_size = 1048576; //queue size must be power of 2
spdlog::set_async_mode(q_size); spdlog::set_async_mode(q_size);
auto async_file= spd::daily_logger_st("async_file_logger", "logs/async_log.txt"); auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt");
async_file->info() << "This is async log.." << "Should be very fast!"; async_file->info() << "This is async log.." << "Should be very fast!";
spdlog::drop_all(); //Close all loggers
//
// syslog example. linux only.. // syslog example. linux only..
//
#ifdef __linux__ #ifdef __linux__
std::string ident = "spdlog-example"; std::string ident = "spdlog-example";
auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID); auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!"); syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
#endif #endif
//Close all loggers
spd::drop_all();
} }
catch (const spd::spdlog_ex& ex) catch (const spd::spdlog_ex& ex)
{ {
@ -90,16 +110,17 @@ int main(int, char* [])
} }
//
// Example of user defined class with operator<< // Example of user defined class with operator<<
//
class some_class {}; class some_class {};
std::ostream& operator<<(std::ostream& os, const some_class&) { return os << "some_class"; } std::ostream& operator<<(std::ostream& os, const some_class&)
{
return os << "some_class";
}
void custom_class_example() void custom_class_example()
{ {
some_class c; some_class c;
spdlog::get("console")->info("custom class with operator<<: {}", c); spdlog::get("console")->info("custom class with operator<<: {}..", c);
spdlog::get("console")->info() << "custom class with operator<<: " << c; spdlog::get("console")->info() << "custom class with operator<<: " << c << "..";
} }

10
include/spdlog/common.h
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@ -33,16 +33,9 @@
#ifndef _MSC_VER #ifndef _MSC_VER
#define SPDLOG_NOEXCEPT noexcept #define SPDLOG_NOEXCEPT noexcept
#else #else
#define SPDLOG_NOEXCEPT #define SPDLOG_NOEXCEPT throw()
#endif #endif
// under linux, you can use the much faster CLOCK_REALTIME_COARSE clock.
// this clock is less accurate - can be off by few millis - depending on the kernel HZ
// uncomment to use it instead of the regular (and slower) clock
//#ifdef __linux__
//#define SPDLOG_CLOCK_COARSE
//#endif
namespace spdlog namespace spdlog
{ {
@ -60,6 +53,7 @@ using sink_ptr = std::shared_ptr < sinks::sink > ;
using sinks_init_list = std::initializer_list < sink_ptr > ; using sinks_init_list = std::initializer_list < sink_ptr > ;
using formatter_ptr = std::shared_ptr<spdlog::formatter>; using formatter_ptr = std::shared_ptr<spdlog::formatter>;
//Log level enum //Log level enum
namespace level namespace level
{ {

49
include/spdlog/details/async_log_helper.h
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@ -59,44 +59,50 @@ class async_log_helper
std::string logger_name; std::string logger_name;
level::level_enum level; level::level_enum level;
log_clock::time_point time; log_clock::time_point time;
size_t thread_id;
std::string txt; std::string txt;
async_msg() = default; async_msg() = default;
~async_msg() = default; ~async_msg() = default;
async_msg(const async_msg&) = delete; async_msg(async_msg&& other) SPDLOG_NOEXCEPT:
async_msg& operator=(async_msg& other) = delete;
async_msg(const details::log_msg& m) :
logger_name(m.logger_name),
level(m.level),
time(m.time),
txt(m.raw.data(), m.raw.size())
{}
async_msg(async_msg&& other) :
logger_name(std::move(other.logger_name)), logger_name(std::move(other.logger_name)),
level(std::move(other.level)), level(std::move(other.level)),
time(std::move(other.time)), time(std::move(other.time)),
txt(std::move(other.txt)) txt(std::move(other.txt))
{} {}
async_msg& operator=(async_msg&& other) async_msg& operator=(async_msg&& other) SPDLOG_NOEXCEPT
{ {
logger_name = std::move(other.logger_name); logger_name = std::move(other.logger_name);
level = other.level; level = other.level;
time = std::move(other.time); time = std::move(other.time);
thread_id = other.thread_id;
txt = std::move(other.txt); txt = std::move(other.txt);
return *this; return *this;
} }
// never copy or assign. should only be moved..
async_msg(const async_msg&) = delete;
async_msg& operator=(async_msg& other) = delete;
// construct from log_msg
async_msg(const details::log_msg& m) :
logger_name(m.logger_name),
level(m.level),
time(m.time),
thread_id(m.thread_id),
txt(m.raw.data(), m.raw.size())
{}
// copy into log_msg
void fill_log_msg(log_msg &msg) void fill_log_msg(log_msg &msg)
{ {
msg.clear(); msg.clear();
msg.logger_name = logger_name; msg.logger_name = logger_name;
msg.level = level; msg.level = level;
msg.time = time; msg.time = time;
msg.thread_id = thread_id;
msg.raw << txt; msg.raw << txt;
} }
}; };
@ -117,8 +123,9 @@ public:
void log(const details::log_msg& msg); void log(const details::log_msg& msg);
//Stop logging and join the back thread // stop logging and join the back thread
~async_log_helper(); ~async_log_helper();
void set_formatter(formatter_ptr); void set_formatter(formatter_ptr);
@ -147,11 +154,11 @@ private:
// worker thread main loop // worker thread main loop
void worker_loop(); void worker_loop();
//pop next message from the queue and process it // pop next message from the queue and process it
//return true if a message was available (queue was not empty), will set the last_pop to the pop time // return true if a message was available (queue was not empty), will set the last_pop to the pop time
bool process_next_msg(clock::time_point& last_pop); bool process_next_msg(clock::time_point& last_pop);
// guess how much to sleep if queue is empty/full using last successful op time as hint // sleep,yield or return immediatly using the time passed since last message as a hint
static void sleep_or_yield(const clock::time_point& last_op_time); static void sleep_or_yield(const clock::time_point& last_op_time);
}; };
@ -220,8 +227,8 @@ inline void spdlog::details::async_log_helper::worker_loop()
} }
} }
// Process next message in the queue // process next message in the queue
// Return true if this thread should still be active (no msg with level::off was received) // return true if this thread should still be active (no msg with level::off was received)
inline bool spdlog::details::async_log_helper::process_next_msg(clock::time_point& last_pop) inline bool spdlog::details::async_log_helper::process_next_msg(clock::time_point& last_pop)
{ {
@ -253,7 +260,7 @@ inline void spdlog::details::async_log_helper::set_formatter(formatter_ptr msg_f
} }
// Sleep,yield or return immediatly using the time passed since last message as a hint // sleep,yield or return immediatly using the time passed since last message as a hint
inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_point& last_op_time) inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_point& last_op_time)
{ {
using std::chrono::milliseconds; using std::chrono::milliseconds;
@ -261,7 +268,7 @@ inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_
auto time_since_op = clock::now() - last_op_time; auto time_since_op = clock::now() - last_op_time;
//spin upto 1 ms // spin upto 1 ms
if (time_since_op <= milliseconds(1)) if (time_since_op <= milliseconds(1))
return; return;
@ -277,7 +284,7 @@ inline void spdlog::details::async_log_helper::sleep_or_yield(const clock::time_
return sleep_for(milliseconds(100)); return sleep_for(milliseconds(100));
} }
//throw if the worker thread threw an exception or not active // throw if the worker thread threw an exception or not active
inline void spdlog::details::async_log_helper::throw_if_bad_worker() inline void spdlog::details::async_log_helper::throw_if_bad_worker()
{ {
if (_last_workerthread_ex) if (_last_workerthread_ex)

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include/spdlog/details/format.cc
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9
include/spdlog/details/line_logger.h
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@ -27,7 +27,6 @@
#include "../common.h" #include "../common.h"
#include "../logger.h" #include "../logger.h"
// Line logger class - aggregates operator<< calls to fast ostream // Line logger class - aggregates operator<< calls to fast ostream
// and logs upon destruction // and logs upon destruction
@ -63,8 +62,16 @@ public:
{ {
if (_enabled) if (_enabled)
{ {
#ifndef SPDLOG_NO_NAME
_log_msg.logger_name = _callback_logger->name(); _log_msg.logger_name = _callback_logger->name();
#endif
#ifndef SPDLOG_NO_DATETIME
_log_msg.time = os::now(); _log_msg.time = os::now();
#endif
#ifndef SPDLOG_NO_THREAD_ID
_log_msg.thread_id = os::thread_id();
#endif
_callback_logger->_log_msg(_log_msg); _callback_logger->_log_msg(_log_msg);
} }
} }

8
include/spdlog/details/log_msg.h
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@ -24,6 +24,7 @@
#pragma once #pragma once
#include <thread>
#include "../common.h" #include "../common.h"
#include "./format.h" #include "./format.h"
@ -37,7 +38,6 @@ struct log_msg
log_msg(level::level_enum l): log_msg(level::level_enum l):
logger_name(), logger_name(),
level(l), level(l),
time(),
raw(), raw(),
formatted() {} formatted() {}
@ -45,7 +45,8 @@ struct log_msg
log_msg(const log_msg& other) : log_msg(const log_msg& other) :
logger_name(other.logger_name), logger_name(other.logger_name),
level(other.level), level(other.level),
time(other.time) time(other.time),
thread_id(other.thread_id)
{ {
if (other.raw.size()) if (other.raw.size())
raw << fmt::BasicStringRef<char>(other.raw.data(), other.raw.size()); raw << fmt::BasicStringRef<char>(other.raw.data(), other.raw.size());
@ -57,6 +58,7 @@ struct log_msg
logger_name(std::move(other.logger_name)), logger_name(std::move(other.logger_name)),
level(other.level), level(other.level),
time(std::move(other.time)), time(std::move(other.time)),
thread_id(other.thread_id),
raw(std::move(other.raw)), raw(std::move(other.raw)),
formatted(std::move(other.formatted)) formatted(std::move(other.formatted))
{ {
@ -71,6 +73,7 @@ struct log_msg
logger_name = std::move(other.logger_name); logger_name = std::move(other.logger_name);
level = other.level; level = other.level;
time = std::move(other.time); time = std::move(other.time);
thread_id = other.thread_id;
raw = std::move(other.raw); raw = std::move(other.raw);
formatted = std::move(other.formatted); formatted = std::move(other.formatted);
other.clear(); other.clear();
@ -87,6 +90,7 @@ struct log_msg
std::string logger_name; std::string logger_name;
level::level_enum level; level::level_enum level;
log_clock::time_point time; log_clock::time_point time;
size_t thread_id;
fmt::MemoryWriter raw; fmt::MemoryWriter raw;
fmt::MemoryWriter formatted; fmt::MemoryWriter formatted;
}; };

29
include/spdlog/details/os.h
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@ -32,6 +32,16 @@
# define WIN32_LEAN_AND_MEAN # define WIN32_LEAN_AND_MEAN
# endif # endif
# include <Windows.h> # include <Windows.h>
#ifdef __MINGW32__
#include <share.h>
#endif
#elif __linux__
#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
#include <unistd.h>
#else
#include <thread>
#endif #endif
#include "../common.h" #include "../common.h"
@ -46,7 +56,7 @@ namespace os
inline spdlog::log_clock::time_point now() inline spdlog::log_clock::time_point now()
{ {
#ifdef SPDLOG_CLOCK_COARSE #if defined __linux__ && defined SPDLOG_CLOCK_COARSE
timespec ts; timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts); ::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>( return std::chrono::time_point<log_clock, typename log_clock::duration>(
@ -73,7 +83,7 @@ inline std::tm localtime(const std::time_t &time_tt)
inline std::tm localtime() inline std::tm localtime()
{ {
std::time_t now_t = time(0); std::time_t now_t = time(nullptr);
return localtime(now_t); return localtime(now_t);
} }
@ -93,7 +103,7 @@ inline std::tm gmtime(const std::time_t &time_tt)
inline std::tm gmtime() inline std::tm gmtime()
{ {
std::time_t now_t = time(0); std::time_t now_t = time(nullptr);
return gmtime(now_t); return gmtime(now_t);
} }
inline bool operator==(const std::tm& tm1, const std::tm& tm2) inline bool operator==(const std::tm& tm1, const std::tm& tm2)
@ -166,6 +176,19 @@ inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
#endif #endif
} }
//Return current thread id as size_t
//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
inline size_t thread_id()
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
#elif __linux__
return static_cast<size_t>(syscall(SYS_gettid));
#else //Default to standard C++11 (OSX and other Unix)
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
#endif
}
} //os } //os
} //details } //details

19
include/spdlog/details/pattern_formatter_impl.h
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@ -354,7 +354,7 @@ class t_formatter :public flag_formatter
{ {
void format(details::log_msg& msg, const std::tm&) override void format(details::log_msg& msg, const std::tm&) override
{ {
msg.formatted << std::hash<std::thread::id>()(std::this_thread::get_id()); msg.formatted << msg.thread_id;
} }
}; };
@ -405,6 +405,7 @@ class full_formatter :public flag_formatter
{ {
void format(details::log_msg& msg, const std::tm& tm_time) override void format(details::log_msg& msg, const std::tm& tm_time) override
{ {
#ifndef SPDLOG_NO_DATETIME
auto duration = msg.time.time_since_epoch(); auto duration = msg.time.time_since_epoch();
auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count() % 1000; auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count() % 1000;
@ -421,6 +422,7 @@ class full_formatter :public flag_formatter
level::to_str(msg.level), level::to_str(msg.level),
msg.raw.str());*/ msg.raw.str());*/
// Faster (albeit uglier) way to format the line (5.6 million lines/sec under 10 threads) // Faster (albeit uglier) way to format the line (5.6 million lines/sec under 10 threads)
msg.formatted << '[' << static_cast<unsigned int>(tm_time.tm_year + 1900) << '-' msg.formatted << '[' << static_cast<unsigned int>(tm_time.tm_year + 1900) << '-'
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_mon + 1), 2, '0') << '-' << fmt::pad(static_cast<unsigned int>(tm_time.tm_mon + 1), 2, '0') << '-'
@ -430,7 +432,16 @@ class full_formatter :public flag_formatter
<< fmt::pad(static_cast<unsigned int>(tm_time.tm_sec), 2, '0') << '.' << fmt::pad(static_cast<unsigned int>(tm_time.tm_sec), 2, '0') << '.'
<< fmt::pad(static_cast<unsigned int>(millis), 3, '0') << "] "; << fmt::pad(static_cast<unsigned int>(millis), 3, '0') << "] ";
msg.formatted << '[' << msg.logger_name << "] [" << level::to_str(msg.level) << "] "; //no datetime needed
#else
(void)tm_time;
#endif
#ifndef SPDLOG_NO_NAME
msg.formatted << '[' << msg.logger_name << "] ";
#endif
msg.formatted << '[' << level::to_str(msg.level) << "] ";
msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size()); msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size());
} }
}; };
@ -610,8 +621,8 @@ inline void spdlog::pattern_formatter::format(details::log_msg& msg)
//write eol //write eol
msg.formatted << details::os::eol(); msg.formatted << details::os::eol();
} }
catch(const details::fmt::FormatError& e) catch(const fmt::FormatError& e)
{ {
throw spdlog_ex(details::fmt::format("formatting error while processing format string: {}", e.what())); throw spdlog_ex(fmt::format("formatting error while processing format string: {}", e.what()));
} }
} }

33
include/spdlog/details/registry.h
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@ -41,10 +41,17 @@ namespace spdlog
{ {
namespace details namespace details
{ {
class registry class registry
{ {
public: public:
void register_logger(std::shared_ptr<logger> logger)
{
std::lock_guard<std::mutex> lock(_mutex);
register_logger_impl(logger);
}
std::shared_ptr<logger> get(const std::string& logger_name) std::shared_ptr<logger> get(const std::string& logger_name)
{ {
std::lock_guard<std::mutex> lock(_mutex); std::lock_guard<std::mutex> lock(_mutex);
@ -55,12 +62,12 @@ public:
template<class It> template<class It>
std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end) std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end)
{ {
std::lock_guard<std::mutex> lock(_mutex);
//If already exists, just return it
auto found = _loggers.find(logger_name);
if (found != _loggers.end())
return found->second;
std::shared_ptr<logger> new_logger; std::shared_ptr<logger> new_logger;
std::lock_guard<std::mutex> lock(_mutex);
if (_async_mode) if (_async_mode)
new_logger = std::make_shared<async_logger>(logger_name, sinks_begin, sinks_end, _async_q_size, _overflow_policy, _worker_warmup_cb); new_logger = std::make_shared<async_logger>(logger_name, sinks_begin, sinks_end, _async_q_size, _overflow_policy, _worker_warmup_cb);
else else
@ -68,8 +75,9 @@ public:
if (_formatter) if (_formatter)
new_logger->set_formatter(_formatter); new_logger->set_formatter(_formatter);
new_logger->set_level(_level); new_logger->set_level(_level);
_loggers[logger_name] = new_logger; register_logger_impl(new_logger);
return new_logger; return new_logger;
} }
@ -103,14 +111,12 @@ public:
l.second->set_formatter(_formatter); l.second->set_formatter(_formatter);
} }
void set_pattern(const std::string& pattern) void set_pattern(const std::string& pattern)
{ {
std::lock_guard<std::mutex> lock(_mutex); std::lock_guard<std::mutex> lock(_mutex);
_formatter = std::make_shared<pattern_formatter>(pattern); _formatter = std::make_shared<pattern_formatter>(pattern);
for (auto& l : _loggers) for (auto& l : _loggers)
l.second->set_formatter(_formatter); l.second->set_formatter(_formatter);
} }
void set_level(level::level_enum log_level) void set_level(level::level_enum log_level)
@ -118,6 +124,7 @@ public:
std::lock_guard<std::mutex> lock(_mutex); std::lock_guard<std::mutex> lock(_mutex);
for (auto& l : _loggers) for (auto& l : _loggers)
l.second->set_level(log_level); l.second->set_level(log_level);
_level = log_level;
} }
void set_async_mode(size_t q_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) void set_async_mode(size_t q_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb)
@ -135,7 +142,6 @@ public:
_async_mode = false; _async_mode = false;
} }
static registry& instance() static registry& instance()
{ {
static registry s_instance; static registry s_instance;
@ -143,6 +149,13 @@ public:
} }
private: private:
void register_logger_impl(std::shared_ptr<logger> logger)
{
auto logger_name = logger->name();
if (_loggers.find(logger_name) != std::end(_loggers))
throw spdlog_ex("logger with name " + logger_name + " already exists");
_loggers[logger->name()] = logger;
}
registry() = default; registry() = default;
registry(const registry&) = delete; registry(const registry&) = delete;
registry& operator=(const registry&) = delete; registry& operator=(const registry&) = delete;

21
include/spdlog/details/spdlog_impl.h
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@ -32,6 +32,11 @@
#include "../sinks/stdout_sinks.h" #include "../sinks/stdout_sinks.h"
#include "../sinks/syslog_sink.h" #include "../sinks/syslog_sink.h"
inline void spdlog::register_logger(std::shared_ptr<logger> logger)
{
return details::registry::instance().register_logger(logger);
}
inline std::shared_ptr<spdlog::logger> spdlog::get(const std::string& name) inline std::shared_ptr<spdlog::logger> spdlog::get(const std::string& name)
{ {
return details::registry::instance().get(name); return details::registry::instance().get(name);
@ -54,35 +59,35 @@ inline std::shared_ptr<spdlog::logger> spdlog::rotating_logger_st(const std::str
} }
// Create file logger which creates new file at midnight): // Create file logger which creates new file at midnight):
inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_mt(const std::string& logger_name, const std::string& filename, bool force_flush) inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_mt(const std::string& logger_name, const std::string& filename, int hour, int minute, bool force_flush)
{ {
return create<spdlog::sinks::daily_file_sink_mt>(logger_name, filename, "txt", force_flush); return create<spdlog::sinks::daily_file_sink_mt>(logger_name, filename, "txt", hour, minute, force_flush);
} }
inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_st(const std::string& logger_name, const std::string& filename, bool force_flush) inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_st(const std::string& logger_name, const std::string& filename, int hour, int minute, bool force_flush)
{ {
return create<spdlog::sinks::daily_file_sink_st>(logger_name, filename, "txt", force_flush); return create<spdlog::sinks::daily_file_sink_st>(logger_name, filename, "txt", hour, minute, force_flush);
} }
// Create stdout/stderr loggers // Create stdout/stderr loggers
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_mt(const std::string& logger_name) inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_mt(const std::string& logger_name)
{ {
return create<spdlog::sinks::stdout_sink_mt>(logger_name); return details::registry::instance().create(logger_name, spdlog::sinks::stdout_sink_mt::instance());
} }
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_st(const std::string& logger_name) inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_st(const std::string& logger_name)
{ {
return create<spdlog::sinks::stdout_sink_st>(logger_name); return details::registry::instance().create(logger_name, spdlog::sinks::stdout_sink_st::instance());
} }
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_mt(const std::string& logger_name) inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_mt(const std::string& logger_name)
{ {
return create<spdlog::sinks::stderr_sink_mt>(logger_name); return details::registry::instance().create(logger_name, spdlog::sinks::stderr_sink_mt::instance());
} }
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_st(const std::string& logger_name) inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_st(const std::string& logger_name)
{ {
return create<spdlog::sinks::stderr_sink_st>(logger_name); return details::registry::instance().create(logger_name, spdlog::sinks::stderr_sink_st::instance());
} }
#ifdef __linux__ #ifdef __linux__

64
include/spdlog/sinks/file_sinks.h
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@ -30,21 +30,19 @@
#include "../details/file_helper.h" #include "../details/file_helper.h"
#include "../details/format.h" #include "../details/format.h"
namespace spdlog namespace spdlog
{ {
namespace sinks namespace sinks
{ {
/* /*
* Trivial file sink with single file as target * Trivial file sink with single file as target
*/ */
template<class Mutex> template<class Mutex>
class simple_file_sink : public base_sink<Mutex> class simple_file_sink : public base_sink < Mutex >
{ {
public: public:
explicit simple_file_sink(const std::string &filename, explicit simple_file_sink(const std::string &filename,
bool force_flush=false): bool force_flush = false) :
_file_helper(force_flush) _file_helper(force_flush)
{ {
_file_helper.open(filename); _file_helper.open(filename);
@ -64,14 +62,14 @@ typedef simple_file_sink<details::null_mutex> simple_file_sink_st;
/* /*
* Rotating file sink based on size * Rotating file sink based on size
*/ */
template<class Mutex> template<class Mutex>
class rotating_file_sink : public base_sink<Mutex> class rotating_file_sink : public base_sink < Mutex >
{ {
public: public:
rotating_file_sink(const std::string &base_filename, const std::string &extension, rotating_file_sink(const std::string &base_filename, const std::string &extension,
std::size_t max_size, std::size_t max_files, std::size_t max_size, std::size_t max_files,
bool force_flush=false): bool force_flush = false) :
_base_filename(base_filename), _base_filename(base_filename),
_extension(extension), _extension(extension),
_max_size(max_size), _max_size(max_size),
@ -82,7 +80,6 @@ public:
_file_helper.open(calc_filename(_base_filename, 0, _extension)); _file_helper.open(calc_filename(_base_filename, 0, _extension));
} }
protected: protected:
void _sink_it(const details::log_msg& msg) override void _sink_it(const details::log_msg& msg) override
{ {
@ -95,11 +92,10 @@ protected:
_file_helper.write(msg); _file_helper.write(msg);
} }
private: private:
static std::string calc_filename(const std::string& filename, std::size_t index, const std::string& extension) static std::string calc_filename(const std::string& filename, std::size_t index, const std::string& extension)
{ {
details::fmt::MemoryWriter w; fmt::MemoryWriter w;
if (index) if (index)
w.write("{}.{}.{}", filename, index, extension); w.write("{}.{}.{}", filename, index, extension);
else else
@ -107,14 +103,12 @@ private:
return w.str(); return w.str();
} }
// Rotate files: // Rotate files:
// log.txt -> log.1.txt // log.txt -> log.1.txt
// log.1.txt -> log2.txt // log.1.txt -> log2.txt
// log.2.txt -> log3.txt // log.2.txt -> log3.txt
// log.3.txt -> delete // log.3.txt -> delete
void _rotate() void _rotate()
{ {
_file_helper.close(); _file_helper.close();
@ -152,60 +146,70 @@ typedef rotating_file_sink<details::null_mutex>rotating_file_sink_st;
* Rotating file sink based on date. rotates at midnight * Rotating file sink based on date. rotates at midnight
*/ */
template<class Mutex> template<class Mutex>
class daily_file_sink:public base_sink<Mutex> class daily_file_sink :public base_sink < Mutex >
{ {
public: public:
explicit daily_file_sink(const std::string& base_filename, //create daily file sink which rotates on given time
daily_file_sink(
const std::string& base_filename,
const std::string& extension, const std::string& extension,
bool force_flush=false): int rotation_hour,
_base_filename(base_filename), int rotation_minute,
bool force_flush = false) : _base_filename(base_filename),
_extension(extension), _extension(extension),
_midnight_tp (_calc_midnight_tp() ), _rotation_h(rotation_hour),
_rotation_m(rotation_minute),
_file_helper(force_flush) _file_helper(force_flush)
{ {
if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
_rotation_tp = _next_rotation_tp();
_file_helper.open(calc_filename(_base_filename, _extension)); _file_helper.open(calc_filename(_base_filename, _extension));
} }
protected: protected:
void _sink_it(const details::log_msg& msg) override void _sink_it(const details::log_msg& msg) override
{ {
if (std::chrono::system_clock::now() >= _midnight_tp) if (std::chrono::system_clock::now() >= _rotation_tp)
{ {
_file_helper.close();
_file_helper.open(calc_filename(_base_filename, _extension)); _file_helper.open(calc_filename(_base_filename, _extension));
_midnight_tp = _calc_midnight_tp(); _rotation_tp = _next_rotation_tp();
} }
_file_helper.write(msg); _file_helper.write(msg);
} }
private: private:
// Return next midnight's time_point std::chrono::system_clock::time_point _next_rotation_tp()
static std::chrono::system_clock::time_point _calc_midnight_tp()
{ {
using namespace std::chrono; using namespace std::chrono;
auto now = system_clock::now(); auto now = system_clock::now();
time_t tnow = std::chrono::system_clock::to_time_t(now); time_t tnow = std::chrono::system_clock::to_time_t(now);
tm date = spdlog::details::os::localtime(tnow); tm date = spdlog::details::os::localtime(tnow);
date.tm_hour = date.tm_min = date.tm_sec = 0; date.tm_hour = _rotation_h;
auto midnight = std::chrono::system_clock::from_time_t(std::mktime(&date)); date.tm_min = _rotation_m;
return system_clock::time_point(midnight + hours(24)); date.tm_sec = 0;
auto rotation_time = std::chrono::system_clock::from_time_t(std::mktime(&date));
if (rotation_time > now)
return rotation_time;
else
return system_clock::time_point(rotation_time + hours(24));
} }
//Create filename for the form basename.YYYY-MM-DD.extension //Create filename for the form basename.YYYY-MM-DD.extension
static std::string calc_filename(const std::string& basename, const std::string& extension) static std::string calc_filename(const std::string& basename, const std::string& extension)
{ {
std::tm tm = spdlog::details::os::localtime(); std::tm tm = spdlog::details::os::localtime();
details::fmt::MemoryWriter w; fmt::MemoryWriter w;
w.write("{}.{:04d}-{:02d}-{:02d}.{}", basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, extension); w.write("{}_{:04d}-{:02d}-{:02d}_{:02d}-{:02d}.{}", basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, extension);
return w.str(); return w.str();
} }
std::string _base_filename; std::string _base_filename;
std::string _extension; std::string _extension;
std::chrono::system_clock::time_point _midnight_tp; int _rotation_h;
int _rotation_m;
std::chrono::system_clock::time_point _rotation_tp;
details::file_helper _file_helper; details::file_helper _file_helper;
}; };
typedef daily_file_sink<std::mutex> daily_file_sink_mt; typedef daily_file_sink<std::mutex> daily_file_sink_mt;

14
include/spdlog/sinks/stdout_sinks.h
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@ -37,9 +37,14 @@ namespace sinks
template <class Mutex> template <class Mutex>
class stdout_sink : public ostream_sink<Mutex> class stdout_sink : public ostream_sink<Mutex>
{ {
using MyType = stdout_sink<Mutex>;
public: public:
stdout_sink() : ostream_sink<Mutex>(std::cout, true) {} stdout_sink() : ostream_sink<Mutex>(std::cout, true) {}
static std::shared_ptr<MyType> instance()
{
static std::shared_ptr<MyType> instance = std::make_shared<MyType>();
return instance;
}
}; };
typedef stdout_sink<details::null_mutex> stdout_sink_st; typedef stdout_sink<details::null_mutex> stdout_sink_st;
@ -49,8 +54,15 @@ typedef stdout_sink<std::mutex> stdout_sink_mt;
template <class Mutex> template <class Mutex>
class stderr_sink : public ostream_sink<Mutex> class stderr_sink : public ostream_sink<Mutex>
{ {
using MyType = stderr_sink<Mutex>;
public: public:
stderr_sink() : ostream_sink<Mutex>(std::cerr, true) {} stderr_sink() : ostream_sink<Mutex>(std::cerr, true) {}
static std::shared_ptr<MyType> instance()
{
static std::shared_ptr<MyType> instance = std::make_shared<MyType>();
return instance;
}
}; };
typedef stderr_sink<std::mutex> stderr_sink_mt; typedef stderr_sink<std::mutex> stderr_sink_mt;

58
include/spdlog/spdlog.h
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@ -28,16 +28,12 @@
#pragma once #pragma once
#include "tweakme.h"
#include "common.h" #include "common.h"
#include "logger.h" #include "logger.h"
namespace spdlog namespace spdlog
{ {
// Return an existing logger or nullptr if a logger with such name doesn't exist. // Return an existing logger or nullptr if a logger with such name doesn't exist.
// Examples: // Examples:
// //
@ -78,20 +74,20 @@ void set_async_mode(size_t queue_size, const async_overflow_policy overflow_poli
void set_sync_mode(); void set_sync_mode();
// //
// Create multi/single threaded rotating file logger // Create and register multi/single threaded rotating file logger
// //
std::shared_ptr<logger> rotating_logger_mt(const std::string& logger_name, const std::string& filename, size_t max_file_size, size_t max_files, bool force_flush = false); std::shared_ptr<logger> rotating_logger_mt(const std::string& logger_name, const std::string& filename, size_t max_file_size, size_t max_files, bool force_flush = false);
std::shared_ptr<logger> rotating_logger_st(const std::string& logger_name, const std::string& filename, size_t max_file_size, size_t max_files, bool force_flush = false); std::shared_ptr<logger> rotating_logger_st(const std::string& logger_name, const std::string& filename, size_t max_file_size, size_t max_files, bool force_flush = false);
// //
// Create file logger which creates new file at midnight): // Create file logger which creates new file on the given time (default in midnight):
// //
std::shared_ptr<logger> daily_logger_mt(const std::string& logger_name, const std::string& filename, bool force_flush = false); std::shared_ptr<logger> daily_logger_mt(const std::string& logger_name, const std::string& filename, int hour=0, int minute=0, bool force_flush = false);
std::shared_ptr<logger> daily_logger_st(const std::string& logger_name, const std::string& filename, bool force_flush = false); std::shared_ptr<logger> daily_logger_st(const std::string& logger_name, const std::string& filename, int hour=0, int minute=0, bool force_flush = false);
// //
// Create stdout/stderr loggers // Create and register stdout/stderr loggers
// //
std::shared_ptr<logger> stdout_logger_mt(const std::string& logger_name); std::shared_ptr<logger> stdout_logger_mt(const std::string& logger_name);
std::shared_ptr<logger> stdout_logger_st(const std::string& logger_name); std::shared_ptr<logger> stdout_logger_st(const std::string& logger_name);
@ -100,57 +96,59 @@ std::shared_ptr<logger> stderr_logger_st(const std::string& logger_name);
// //
// Create a syslog logger // Create and register a syslog logger
// //
#ifdef __linux__ #ifdef __linux__
std::shared_ptr<logger> syslog_logger(const std::string& logger_name, const std::string& ident = "", int syslog_option = 0); std::shared_ptr<logger> syslog_logger(const std::string& logger_name, const std::string& ident = "", int syslog_option = 0);
#endif #endif
// Create a logger with multiple sinks // Create and register a logger with multiple sinks
std::shared_ptr<logger> create(const std::string& logger_name, sinks_init_list sinks); std::shared_ptr<logger> create(const std::string& logger_name, sinks_init_list sinks);
template<class It> template<class It>
std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end); std::shared_ptr<logger> create(const std::string& logger_name, const It& sinks_begin, const It& sinks_end);
// Create a logger with templated sink type // Create and register a logger with templated sink type
// Example: spdlog::create<daily_file_sink_st>("mylog", "dailylog_filename", "txt"); // Example: spdlog::create<daily_file_sink_st>("mylog", "dailylog_filename", "txt");
template <typename Sink, typename... Args> template <typename Sink, typename... Args>
std::shared_ptr<spdlog::logger> create(const std::string& logger_name, const Args&...); std::shared_ptr<spdlog::logger> create(const std::string& logger_name, const Args&...);
// Register the given logger with the given name
void register_logger(std::shared_ptr<logger> logger);
// Drop the reference to the given logger
void drop(const std::string &name);
// Drop all references
void drop_all();
///////////////////////////////////////////////////////////////////////////////
// //
// Trace & debug macros to be switched on/off at compile time for zero cost debug statements. // Macros to be display source file & line
// Note: using these mactors overrides the runtime log threshold of the logger. // Trace & Debug can be switched on/off at compile time for zero cost debug statements.
// Uncomment SPDLOG_DEBUG_ON/SPDLOG_TRACE_ON in teakme.h to enable.
// //
// Example: // Example:
// // spdlog::set_level(spdlog::level::debug);
// Enable debug macro, must be defined before including spdlog.h
// #define SPDLOG_DEBUG_ON
// include "spdlog/spdlog.h"
// SPDLOG_DEBUG(my_logger, "Some debug message {} {}", 1, 3.2); // SPDLOG_DEBUG(my_logger, "Some debug message {} {}", 1, 3.2);
// ///////////////////////////////////////////////////////////////////////////////
#ifdef SPDLOG_TRACE_ON #ifdef SPDLOG_TRACE_ON
#define SPDLOG_TRACE(logger, ...) logger->force_log(spdlog::level::trace, __VA_ARGS__) << " (" << __FILE__ << " #" << __LINE__ <<")"; #define SPDLOG_TRACE(logger, ...) logger->trace(__VA_ARGS__) << " (" << __FILE__ << " #" << __LINE__ <<")";
#else #else
#define SPDLOG_TRACE(logger, ...) #define SPDLOG_TRACE(logger, ...)
#endif #endif
#ifdef SPDLOG_DEBUG_ON #ifdef SPDLOG_DEBUG_ON
#define SPDLOG_DEBUG(logger, ...) logger->force_log(spdlog::level::debug, __VA_ARGS__) #define SPDLOG_DEBUG(logger, ...) logger->debug(__VA_ARGS__) << " (" << __FILE__ << " #" << __LINE__ <<")";
#else #else
#define SPDLOG_DEBUG(logger, ...) #define SPDLOG_DEBUG(logger, ...)
#endif #endif
// Drop the reference to the given logger
void drop(const std::string &name);
// Drop all references
void drop_all();
} }

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include/spdlog/tweakme.h
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/*************************************************************************/
/* spdlog - an extremely fast and easy to use c++11 logging library. */
/* Copyright (c) 2014 Gabi Melman. */
/* */
/* 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. */
/*************************************************************************/
#pragma once
///////////////////////////////////////////////////////////////////////////////
// Edit this file to squeeze every last drop of performance out of spdlog.
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Under Linux, the much faster CLOCK_REALTIME_COARSE clock can be used.
// This clock is less accurate - can be off by dozens of millis - depending on the kernel HZ
// Uncomment to use it instead of the regular (but slower) clock.
// #define SPDLOG_CLOCK_COARSE
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if date/time logging is not needed.
// This will prevent spdlog from quering the clock on each log call.
// #define SPDLOG_NO_DATETIME
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if thread id logging is not needed (i.e. no %t in the log pattern)
// This will prevent spdlog from quering the thread id on each log call.
// #define SPDLOG_NO_THREAD_ID
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if logger name logging is not needed.
// This will prevent spdlog from copying the logger name on each log call.
// #define SPDLOG_NO_NAME
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable the SPDLOG_DEBUG/SPDLOG_TRACE macros
// #define SPDLOG_DEBUG_ON
// #define SPDLOG_TRACE_ON
///////////////////////////////////////////////////////////////////////////////
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