pkg.re/essentialkaos/ek.10@v12.41.0+incompatible/log/example_test.go (about)

     1  package log
     2  
     3  // ////////////////////////////////////////////////////////////////////////////////// //
     4  //                                                                                    //
     5  //                         Copyright (c) 2022 ESSENTIAL KAOS                          //
     6  //      Apache License, Version 2.0 <https://www.apache.org/licenses/LICENSE-2.0>     //
     7  //                                                                                    //
     8  // ////////////////////////////////////////////////////////////////////////////////// //
     9  
    10  import (
    11  	"fmt"
    12  	"time"
    13  )
    14  
    15  // ////////////////////////////////////////////////////////////////////////////////// //
    16  
    17  func Example_logger() {
    18  	logger, err := New("/path/to/file.log", 0644)
    19  
    20  	if err != nil {
    21  		fmt.Printf("Error: %v\n", err)
    22  		return
    23  	}
    24  
    25  	// Enable buffered IO with 1-second flush interval
    26  	logger.EnableBufIO(time.Second)
    27  
    28  	// Set minimal log level
    29  	logger.MinLevel(INFO)
    30  
    31  	// Print message to log
    32  	logger.Print(DEBUG, "This is %s message", "debug")
    33  
    34  	// Package provides different methods for each level
    35  	logger.Debug("This is %d %s message", 2, "debug")
    36  	logger.Info("This is info message")
    37  	logger.Warn("This is warning message")
    38  	logger.Error("This is error message")
    39  	logger.Crit("This is critical message")
    40  
    41  	// AUX message it's unskippable message which will be printed to log file with
    42  	// any minimum level
    43  	logger.Aux("This is aux message")
    44  
    45  	// For log rotation we provide method Reopen
    46  	logger.Reopen()
    47  
    48  	// If buffered IO is used, you should flush data before exit
    49  	logger.Flush()
    50  }