89 lines
4.3 KiB
C++
89 lines
4.3 KiB
C++
/*************************************************************************/
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
|
|
//
|
|
// spdlog usage example
|
|
//
|
|
#include <iostream>
|
|
#include "spdlog/spdlog.h"
|
|
|
|
int main(int, char* [])
|
|
{
|
|
namespace spd = spdlog;
|
|
try
|
|
{
|
|
// Set log level to all loggers to debug and above
|
|
spd::set_level(spd::level::debug);
|
|
|
|
// Create console, multithreaded logger
|
|
auto console = spd::stdout_logger_mt("console");
|
|
console->info("Welcome to spdlog!") ;
|
|
console->info("An info message example {}..", 1);
|
|
console->info() << "Streams are supported too " << 1;
|
|
|
|
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 floats {:03.2f}", 1.23456);
|
|
console->info("Positional args are {1} {0}..", "too", "supported");
|
|
|
|
console->info("{:<30}", "left aligned");
|
|
console->info("{:>30}", "right aligned");
|
|
console->info("{:^30}", "centered");
|
|
|
|
// 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);
|
|
file_logger->set_level(spd::level::info);
|
|
for(int i = 0; i < 10; ++i)
|
|
file_logger->info("{} * {} equals {:>10}", i, i, i*i);
|
|
|
|
// Customize msg format for all messages
|
|
spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
|
|
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");
|
|
|
|
SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
|
|
SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
|
|
|
|
// Asynchronous logging is very fast..
|
|
// 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
|
|
spdlog::set_async_mode(q_size);
|
|
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!";
|
|
|
|
// syslog example. linux only..
|
|
#ifdef __linux__
|
|
std::string ident = "spdlog-example";
|
|
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!");
|
|
#endif
|
|
|
|
}
|
|
catch (const spd::spdlog_ex& ex)
|
|
{
|
|
std::cout << "Log failed: " << ex.what() << std::endl;
|
|
}
|
|
}
|