TeaSpeak/spdlog
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Update README.md

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This commit is contained in:
Gabi Melman 2014-12-22 14:02:21 +02:00
parent 6c33eca6cf
commit 0221466daa
1 changed files with 24 additions and 7 deletions
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README.md
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@ -67,15 +67,13 @@ int main(int, char* [])
namespace spd = spdlog; namespace spd = spdlog;
try try
{ {
// Set log level to all loggers to debug and above
spd::set_level(spd::level::debug);
//Create console, multithreaded logger //Create console, multithreaded logger
auto console = spd::stdout_logger_mt("console"); auto console = spd::stdout_logger_mt("console");
console->info("Welcome to spdlog!") ; 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);
@ -85,29 +83,48 @@ 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::info); // Set specific logger's log level
console->info("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);
//
// 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!";
//
// 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);