mirror of
https://github.com/gabime/spdlog.git
synced 2025-09-28 17:19:34 +08:00
support for external fmtlib
This commit is contained in:
gabime
@@ -13,96 +13,112 @@
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void async_example();
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void syslog_example();
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void user_defined_example();
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namespace spd = spdlog;
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int main(int, char*[])
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{
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try
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{
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// Multithreaded color console
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auto console = spd::stdout_logger_mt("console", true);
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console->info("Welcome to spdlog!");
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console->error("An info message example {}..", 1);
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try {
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// Multithreaded color console
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auto console = spd::stdout_logger_mt("console", true);
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console->info("Welcome to spdlog!");
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console->error("An info message example {}..", 1);
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// Formatting examples
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console->warn("Easy padding in numbers like {:08d}", 12);
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console->critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
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console->info("Support for floats {:03.2f}", 1.23456);
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console->info("Positional args are {1} {0}..", "too", "supported");
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// Formatting examples
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console->warn("Easy padding in numbers like {:08d}", 12);
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console->critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
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console->info("Support for floats {:03.2f}", 1.23456);
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console->info("Positional args are {1} {0}..", "too", "supported");
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console->info("{:<30}", "left aligned");
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console->info("{:>30}", "right aligned");
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console->info("{:^30}", "centered");
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console->info("{:<30}", "left aligned");
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console->info("{:>30}", "right aligned");
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console->info("{:^30}", "centered");
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spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
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spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
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// Runtime log levels
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spd::set_level(spd::level::info); //Set global log level to info
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console->debug("This message shold not be displayed!");
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console->set_level(spd::level::debug); // Set specific logger's log level
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console->debug("This message shold be displayed..");
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// Runtime log levels
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spd::set_level(spd::level::info); //Set global log level to info
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console->debug("This message shold not be displayed!");
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console->set_level(spd::level::debug); // Set specific logger's log level
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console->debug("This message shold be displayed..");
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// Create basic file logger (not rotated)
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auto my_logger = spd::basic_logger_mt("basic_logger", "logs/basic.txt");
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my_logger->info("Some log message");
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// Create basic file logger (not rotated)
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auto my_logger = spd::basic_logger_mt("basic_logger", "logs/basic.txt");
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my_logger->info("Some log message");
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// Create a file rotating logger with 5mb size max and 3 rotated files
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auto rotating_logger = spd::rotating_logger_mt("some_logger_name", "logs/mylogfile", 1048576 * 5, 3);
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for (int i = 0; i < 10; ++i)
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rotating_logger->info("{} * {} equals {:>10}", i, i, i*i);
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// Create a file rotating logger with 5mb size max and 3 rotated files
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auto rotating_logger = spd::rotating_logger_mt("some_logger_name", "logs/mylogfile", 1048576 * 5, 3);
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for (int i = 0; i < 10; ++i)
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rotating_logger->info("{} * {} equals {:>10}", i, i, i*i);
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// Create a daily logger - a new file is created every day on 2:30am
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auto daily_logger = spd::daily_logger_mt("daily_logger", "logs/daily", 2, 30);
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daily_logger->info(123.44);
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// Create a daily logger - a new file is created every day on 2:30am
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auto daily_logger = spd::daily_logger_mt("daily_logger", "logs/daily", 2, 30);
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daily_logger->info(123.44);
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// Customize msg format for all messages
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spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
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rotating_logger->info("This is another message with custom format");
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// Customize msg format for all messages
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spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
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rotating_logger->info("This is another message with custom format");
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// Compile time debug or trace macros.
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// Enabled #ifdef SPDLOG_DEBUG_ON or #ifdef SPDLOG_TRACE_ON
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SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
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SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
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// Compile time debug or trace macros.
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// Enabled #ifdef SPDLOG_DEBUG_ON or #ifdef SPDLOG_TRACE_ON
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SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
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SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
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// Asynchronous logging is very fast..
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// Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
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async_example();
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// Asynchronous logging is very fast..
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// Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
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async_example();
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// syslog example. linux/osx only..
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syslog_example();
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// syslog example. linux/osx only..
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syslog_example();
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// log user-defined types example..
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user_defined_example();
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// Release and close all loggers
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spdlog::drop_all();
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}
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// Release and close all loggers
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spdlog::drop_all();
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}
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catch (const spd::spdlog_ex& ex)
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{
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std::cout << "Log failed: " << ex.what() << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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catch (const spd::spdlog_ex& ex) {
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std::cout << "Log failed: " << ex.what() << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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void async_example()
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{
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size_t q_size = 4096; //queue size must be power of 2
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spdlog::set_async_mode(q_size);
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auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt");
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for (int i = 0; i < 100; ++i)
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async_file->info("Async message #{}", i);
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size_t q_size = 4096; //queue size must be power of 2
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spdlog::set_async_mode(q_size);
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auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt");
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for (int i = 0; i < 100; ++i)
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async_file->info("Async message #{}", i);
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}
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//syslog example (linux/osx only)
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void syslog_example()
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{
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#if defined (__linux__) || defined(__APPLE__)
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std::string ident = "spdlog-example";
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auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
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syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
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std::string ident = "spdlog-example";
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auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
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syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
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#endif
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}
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// user defined types logging by implementing operator<<
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struct my_type
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{
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int i;
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template<typename OStream>
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friend OStream& operator<<(OStream& os, const my_type &c) {return os << "[my_type i="<<c.i << "]";}
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};
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#include <spdlog/fmt/ostr.h> // must be included
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void user_defined_example()
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{
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spd::get("console")->info("user defined type: {}", my_type{ 14 });
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}
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@@ -11,9 +11,8 @@
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</ProjectConfiguration>
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</ItemGroup>
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<ItemGroup>
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<None Include="..\include\spdlog\fmt\format.cc">
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<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
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</None>
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<ClInclude Include="..\include\spdlog\fmt\fmtlib\format.cc" />
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<ClInclude Include="..\include\spdlog\fmt\fmtlib\ostream.cc" />
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<ClCompile Include="example.cpp" />
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</ItemGroup>
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<ItemGroup>
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@@ -30,7 +29,11 @@
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<ClInclude Include="..\include\spdlog\details\pattern_formatter_impl.h" />
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<ClInclude Include="..\include\spdlog\details\registry.h" />
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<ClInclude Include="..\include\spdlog\details\spdlog_impl.h" />
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<ClInclude Include="..\include\spdlog\fmt\format.h" />
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<ClInclude Include="..\include\spdlog\fmt\fmt.h" />
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<ClInclude Include="..\include\spdlog\fmt\fmtlib\format.h" />
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<ClInclude Include="..\include\spdlog\fmt\fmtlib\ostream.h" />
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<ClInclude Include="..\include\spdlog\fmt\fmtlib\printf.h" />
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<ClInclude Include="..\include\spdlog\fmt\ostr.h" />
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<ClInclude Include="..\include\spdlog\formatter.h" />
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<ClInclude Include="..\include\spdlog\logger.h" />
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<ClInclude Include="..\include\spdlog\sinks\android_sink.h" />
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@@ -51,6 +54,7 @@
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<ProjectGuid>{9E5AB93A-0CCE-4BAC-9FCB-0FC9CB5EB8D2}</ProjectGuid>
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<Keyword>Win32Proj</Keyword>
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<RootNamespace>.</RootNamespace>
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<WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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@@ -116,6 +120,8 @@
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
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<AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
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</Link>
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</ItemDefinitionGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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