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@ -76,9 +76,8 @@ async... Elapsed: 0.427072 2,341,527/sec
async... Elapsed: 0.449768 2,223,369/sec
```
## Usage Example
## Usage
```c++
#include "spdlog/spdlog.h"
#include "spdlog/sinks/stdout_color_sinks.h"
void stdout_example()
@ -115,7 +114,9 @@ void stdout_example()
SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
}
```
#### Basic file logger
```c++
#include "spdlog/sinks/basic_file_sink.h"
void basic_logfile_example()
{
@ -130,13 +131,18 @@ void basic_logfile_example()
return 1;
}
}
```
#### Rotating example
```c++
#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);
}
```
#### Daily file example
```c++
#include "spdlog/sinks/daily_file_sink.h"
void daily_example()
@ -145,6 +151,10 @@ void daily_example()
auto daily_logger = spdlog::daily_logger_mt("daily_logger", "logs/daily.txt", 2, 30);
}
```
#### Asynchronous example
```c++
#include "spdlog/async.h"
void async_example()
{
@ -160,6 +170,10 @@ void async_example()
}
}
```
#### Multi sink
```c++
// 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()
@ -176,6 +190,9 @@ void multi_sink_example()
logger.warn("this should appear in both console and file");
logger.info("this message should not appear in the console, only in the file");
}
```
#### User defined types logging
```c++
// user defined types logging by implementing operator<<
#include "spdlog/fmt/ostr.h" // must be included
struct my_type
@ -193,9 +210,9 @@ void user_defined_example()
spdlog::get("console")->info("user defined type: {}", my_type{14});
}
//
// custom error handler
//
```
#### Custom error handler
```c++
void err_handler_example()
{
// can be set globally or per logger(logger->set_error_handler(..))
@ -203,8 +220,9 @@ void err_handler_example()
spdlog::get("console")->info("some invalid message to trigger an error {}{}{}{}", 3);
}
// syslog example (linux/osx/freebsd)
#ifndef _WIN32
```
#### syslog example
```c++
#include "spdlog/sinks/syslog_sink.h"
void syslog_example()
{
@ -212,10 +230,11 @@ void syslog_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__)
```
#### Android example
```c++
#incude "spdlog/sinks/android_sink.h"
void android_example()
{
@ -223,9 +242,6 @@ void android_example()
auto android_logger = spdlog::android_logger("android", tag);
android_logger->critical("Use \"adb shell logcat\" to view this message.");
}
#endif
```
## Documentation