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

This commit is contained in:
gabime 2014-12-07 06:03:08 +02:00
parent 159165665d 2acc784373
commit 63972cca96
1 changed files with 41 additions and 23 deletions
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64
README.md
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@ -54,43 +54,60 @@ Below are some [benchmarks](bench) comparing the time needed to log 1,000,000 li
int main(int, char* [])
{
namespace spd = spdlog;
try
{
std::string filename = "spdlog_example";
std::string filename = "logs/spdlog_example";
// 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("Creating file {}..", filename);
console->info("An info message example {}..", 1);
console->info() << "Streams are supported too " << 1;
auto file_logger = spd::rotating_logger_mt("file_logger", filename, 1024 * 1024 * 5, 3);
file_logger->info("Log file message number {}..", 1);
for (int j = 1; j <= 10; ++j)
for (int i = 1; i < 10; ++i)
file_logger->info("{} * {} equals {}, i, j, i*j );
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->infor("Supprot for floats {:03.2f}", 1.23456);
console->info("Positional args are {1} {0}..", "too", "supported):
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");
//see cppformat's full docs here:
//http://cppformat.readthedocs.org/en/stable/syntax.html
// Change log level to all loggers to warning and above
spd::set_level(spd::level::WARN);
console->info("This should not be displayed");
console->warn("This should!");
spd::set_level(spd::level::INFO);
//Create a file rotating logger with 5mb size max and 3 rotated files
auto file_logger = spd::rotating_logger_mt("file_logger", filename, 1024 * 1024 * 5, 3);
file_logger->info("Log file message number", 1);
// Change format pattern to all loggers
spd::set_pattern(" **** %Y-%m-%d %H:%M:%S.%e %l **** %v");
spd::get("console")->info("This is another message with different format");
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(file_logger, "This is a trace message (only #ifdef _DEBUG)", 123);
//
// Asynchronous logging is easy..
// Just call spdlog::set_async_mode(max_q_size) and all created loggers from now on will be asynchronous..
//
size_t max_q_size = 1048576;
spdlog::set_async_mode(max_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
//
#ifdef __linux__
auto syslog_logger = spd::syslog_logger("syslog");
syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
#endif
}
catch (const spd::spdlog_ex& ex)
{
@ -98,4 +115,5 @@ int main(int, char* [])
}
return 0;
}
```