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refactor example.cpp

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This commit is contained in:
gabime 2016-03-30 16:05:09 +03:00
parent ff2398b6b1
commit 8dbf88f90e
1 changed files with 58 additions and 55 deletions
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81
example/example.cpp
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@ -6,15 +6,18 @@
// spdlog usage example
//
#include "spdlog/spdlog.h"
#include "spdlog/sinks/ansicolor_sink.h"
#include <cstdlib> // EXIT_FAILURE
#include <iostream>
#include <memory>
void async_example();
void syslog_example();
void color_example();
namespace spd = spdlog;
int main(int, char*[])
{
namespace spd = spdlog;
try
{
//Create console, multithreaded logger
@ -33,65 +36,78 @@ int main(int, char*[])
console->info("{:>30}", "right aligned");
console->info("{:^30}", "centered");
//
spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
// 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..");
console->debug("This message shold be displayed..");
//
// 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);
for (int i = 0; i < 10; ++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
//
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");
//
// 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_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
async_example();
// syslog example. linux/osx only..
syslog_example();
// terminal color example (works under linux/osx. windows: only if ansi.sys is loaded)
color_example();
// Release and close all loggers
spdlog::drop_all();
}
catch (const spd::spdlog_ex& ex)
{
std::cout << "Log failed: " << ex.what() << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
void async_example()
{
size_t q_size = 4096; //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");
for (int i = 0; i < 100; ++i)
async_file->info("Async message #{}", i);
}
//
// syslog example. linux only..
//
#ifdef __linux__
//syslog example (linux/osx only)
void syslog_example()
{
#if defined (__linux__) || defined(__APPLE__)
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
}
//
// ANSI color logging (OS X and Linux. Windows only if ansi.sys is loaded.)
//
// terminal color example (works under linux/osx. windows: only if ansi.sys is loaded)
#include "spdlog/sinks/ansicolor_sink.h"
void color_example()
{
// Create a sink to add colors to.
auto console_out = spdlog::sinks::stderr_sink_st::instance();
auto color_sink = std::make_shared<spd::sinks::ansicolor_sink>(console_out); // wraps around another sink
@ -108,19 +124,6 @@ int main(int, char*[])
color_logger->critical("Critical");
color_logger->alert("Alert");
color_logger->emerg("Emergency");
//
//Release and close all loggers
//
spdlog::drop_all();
}
catch (const spd::spdlog_ex& ex)
{
std::cout << "Log failed: " << ex.what() << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}