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Merge branch 'v1.x' of https://github.com/gabime/spdlog into v1.x

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gabime
2018-07-10 10:34:08 +03:00
parent 005468248b 60ca07c2d5
commit f9019870da
44 changed files with 1095 additions and 846 deletions
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2
example/Makefile
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@@ -1,5 +1,5 @@
CXX = g++
CXX_FLAGS = -Wall -Wextra -pedantic -std=c++11 -pthread -I../include
CXX_FLAGS = -Wall -Wextra -pedantic -std=c++11 -pthread -I../include -fmax-errors=1
CXX_RELEASE_FLAGS = -O3 -march=native
CXX_DEBUG_FLAGS= -g

230
example/example.cpp
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@@ -7,140 +7,149 @@
//
//
#define SPDLOG_TRACE_ON
#define SPDLOG_DEBUG_ON
#include "spdlog/sinks/daily_file_sink.h"
#include "spdlog/sinks/rotating_file_sink.h"
#include "spdlog/sinks/simple_file_sink.h"
#include "spdlog/sinks/stdout_color_sinks.h"
#include <iostream>
#include <memory>
void stdout_example();
void basic_example();
void rotating_example();
void daily_example();
void async_example();
void multi_sink_example();
void user_defined_example();
void err_handler_example();
void syslog_example();
namespace spd = spdlog;
#include "spdlog/spdlog.h"
int main(int, char *[])
{
try
{
auto console = spdlog::stdout_color_st("console");
console->info("Welcome to spdlog!");
// console logging example
stdout_example();
console->info("Welcome to spdlog!");
console->error("Some error message with arg: {}", 1);
err_handler_example();
// Formatting examples
console->warn("Easy padding in numbers like {:08d}", 12);
console->critical("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");
// various file loggers
basic_example();
rotating_example();
daily_example();
spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
// Create basic file logger (not rotated)
auto my_logger = spd::basic_logger_mt("basic_logger", "logs/basic-log.txt");
my_logger->info("Some log message");
// Create a file rotating logger with 5mb size max and 3 rotated files
auto rotating_logger = spd::rotating_logger_mt("some_logger_name", "logs/rotating.txt", 1048576 * 5, 3);
for (int i = 0; i < 10; ++i)
{
rotating_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.txt", 2, 30);
// trigger flush if the log severity is error or higher
daily_logger->flush_on(spd::level::err);
daily_logger->info(123.44);
// Customize msg format for all messages
spd::set_pattern("[%^+++%$] [%H:%M:%S %z] [thread %t] %v");
console->info("This an info message with custom format");
console->error("This an error message with custom format");
// Change format back to to default
spd::set_pattern("%+");
// Runtime log levels
spd::set_level(spd::level::info); // Set global log level to info
console->debug("This message should not be displayed!");
console->set_level(spd::level::trace); // Set specific logger's log level
console->debug("This message should be displayed..");
// Compile time log levels
// define SPDLOG_DEBUG_ON or 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 example
// async logging using a backing thread pool
async_example();
// Log user-defined types example
// a logger can have multiple targets with different formats
multi_sink_example();
// user defined types logging by implementing operator<<
user_defined_example();
// Change default log error handler
// custom error handler
err_handler_example();
// Apply a function on all registered loggers
spd::apply_all([&](std::shared_ptr<spdlog::logger> l) { l->info("End of example."); });
// apply some function on all registered loggers
spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) { l->info("End of example."); });
// Release and close all loggers
spdlog::drop_all();
}
// Exceptions will only be thrown upon failed logger or sink construction (not during logging)
catch (const spd::spdlog_ex &ex)
catch (const spdlog::spdlog_ex &ex)
{
std::cout << "Log init failed: " << ex.what() << std::endl;
return 1;
}
}
// must be included to use async logger
#include "spdlog/sinks/stdout_color_sinks.h" // or "/sinks/stdout_sinks.h" if no colors needed
void stdout_example()
{
// create color multi threaded logger
auto console = spdlog::stdout_color_mt("console");
console->info("Welcome to spdlog!");
console->error("Some error message with arg: {}", 1);
auto err_logger = spdlog::stderr_color_mt("stderr");
err_logger->error("Some error message");
// Formatting examples
console->warn("Easy padding in numbers like {:08d}", 12);
console->critical("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");
spdlog::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name)");
// Runtime log levels
spdlog::set_level(spdlog::level::info); // Set global log level to info
console->debug("This message should not be displayed!");
console->set_level(spdlog::level::trace); // Set specific logger's log level
console->debug("This message should be displayed..");
// Customize msg format for all loggers
spdlog::set_pattern("[%H:%M:%S %z] [%n] [%^---%L---%$] [thread %t] %v");
console->info("This an info message with custom format");
// Compile time log levels
// define SPDLOG_DEBUG_ON or 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);
}
#include "spdlog/sinks/basic_file_sink.h"
void basic_example()
{
// Create basic file logger (not rotated)
auto my_logger = spdlog::basic_logger_mt("basic_logger", "logs/basic-log.txt");
}
#include "spdlog/sinks/rotating_file_sink.h"
void rotating_example()
{
// Create a file rotating logger with 5mb size max and 3 rotated files
auto rotating_logger = spdlog::rotating_logger_mt("some_logger_name", "logs/rotating.txt", 1048576 * 5, 3);
}
#include "spdlog/sinks/daily_file_sink.h"
void daily_example()
{
// Create a daily logger - a new file is created every day on 2:30am
auto daily_logger = spdlog::daily_logger_mt("daily_logger", "logs/daily.txt", 2, 30);
}
#include "spdlog/async.h"
void async_example()
{
auto async_file = spd::basic_logger_mt<spdlog::create_async>("async_file_logger", "logs/async_log.txt");
// default thread pool settings can be modified *before* creating the async logger:
// spdlog::init_thread_pool(32768, 1); // queue with max 32k items 1 backing thread.
auto async_file = spdlog::basic_logger_mt<spdlog::async_factory>("async_file_logger", "logs/async_log.txt");
// alternatively:
// auto async_file = spdlog::create_async<spdlog::sinks::basic_file_sink_mt>("async_file_logger", "logs/async_log.txt");
// thread pool settings can be modified *before* creating the async logger:
// spdlog::init_thread_pool(32768, 4); // queue with max 32k items 4 backing threads.
for (int i = 0; i < 100; ++i)
for (int i = 1; i < 101; ++i)
{
async_file->info("Async message #{}", i + 1);
async_file->info("Async message #{}", i);
}
}
// syslog example (linux/osx/freebsd)
#ifndef _WIN32
#include "spdlog/sinks/syslog_sink.h"
void syslog_example()
// create logger with 2 targets with different log levels and formats
// the console will show only warnings or errors, while the file will log all
void multi_sink_example()
{
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.");
auto console_sink = std::make_shared<spdlog::sinks::stdout_color_sink_mt>();
console_sink->set_level(spdlog::level::warn);
console_sink->set_pattern("[multi_sink_example] [%^%l%$] %v");
auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("logs/multisink.txt", true);
file_sink->set_level(spdlog::level::trace);
spdlog::logger logger("multi_sink", {console_sink, file_sink});
logger.set_level(spdlog::level::debug);
logger.warn("this should appear in both console and file");
logger.info("this message should not appear in the console, only in the file");
}
#endif
// Android example
#if defined(__ANDROID__)
#incude "spdlog/sinks/android_sink.h"
void android_example()
{
std::string tag = "spdlog-android";
auto android_logger = spd::android_logger("android", tag);
android_logger->critical("Use \"adb shell logcat\" to view this message.");
}
#endif
// user defined types logging by implementing operator<<
#include "spdlog/fmt/ostr.h" // must be included
struct my_type
{
int i;
@@ -151,10 +160,9 @@ struct my_type
}
};
#include "spdlog/fmt/ostr.h" // must be included
void user_defined_example()
{
spd::get("console")->info("user defined type: {}", my_type{14});
spdlog::get("console")->info("user defined type: {}", my_type{14});
}
//
@@ -162,8 +170,30 @@ void user_defined_example()
//
void err_handler_example()
{
// can be set globaly or per logger(logger->set_error_handler(..))
spdlog::set_error_handler([](const std::string &msg) { spd::get("console")->error("*******my err handler: {}", msg); });
spd::get("console")->info("some invalid message to trigger an error {}{}{}{}", 3);
// spd::get("console")->info("some invalid message to trigger an error {}{}{}{}", 3);
// can be set globally or per logger(logger->set_error_handler(..))
spdlog::set_error_handler([](const std::string &msg) { spdlog::get("console")->error("*** LOGGER ERROR ***: {}", msg); });
spdlog::get("console")->info("some invalid message to trigger an error {}{}{}{}", 3);
}
// syslog example (linux/osx/freebsd)
#ifndef _WIN32
#include "spdlog/sinks/syslog_sink.h"
void syslog_example()
{
std::string ident = "spdlog-example";
auto syslog_logger = spdlog::syslog_logger("syslog", ident, LOG_PID);
syslog_logger->warn("This is warning that will end up in syslog.");
}
#endif
// Android example
#if defined(__ANDROID__)
#incude "spdlog/sinks/android_sink.h"
void android_example()
{
std::string tag = "spdlog-android";
auto android_logger = spdlog::android_logger("android", tag);
android_logger->critical("Use \"adb shell logcat\" to view this message.");
}
#endif

4
example/multisink.cpp
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@@ -15,8 +15,8 @@ int main(int, char *[])
// Each sink can have it's own log level and a message will be logged.
std::vector<spdlog::sink_ptr> sinks;
sinks.push_back(std::make_shared<spdlog::sinks::stdout_sink_mt>());
sinks.push_back(std::make_shared<spdlog::sinks::simple_file_sink_mt>("./log_regular_file.txt"));
sinks.push_back(std::make_shared<spdlog::sinks::simple_file_sink_mt>("./log_debug_file.txt"));
sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>("./log_regular_file.txt"));
sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>("./log_debug_file.txt"));
spdlog::logger console_multisink("multisink", sinks.begin(), sinks.end());
console_multisink.set_level(spdlog::level::warn);