github.com/lbryio/lbcd@v0.22.119/database/log.go (about)

     1  // Copyright (c) 2013-2016 The btcsuite developers
     2  // Use of this source code is governed by an ISC
     3  // license that can be found in the LICENSE file.
     4  
     5  package database
     6  
     7  import (
     8  	"github.com/btcsuite/btclog"
     9  )
    10  
    11  // log is a logger that is initialized with no output filters.  This
    12  // means the package will not perform any logging by default until the caller
    13  // requests it.
    14  var log btclog.Logger
    15  
    16  // The default amount of logging is none.
    17  func init() {
    18  	DisableLog()
    19  }
    20  
    21  // DisableLog disables all library log output.  Logging output is disabled
    22  // by default until UseLogger is called.
    23  func DisableLog() {
    24  	log = btclog.Disabled
    25  }
    26  
    27  // UseLogger uses a specified Logger to output package logging info.
    28  func UseLogger(logger btclog.Logger) {
    29  	log = logger
    30  
    31  	// Update the logger for the registered drivers.
    32  	for _, drv := range drivers {
    33  		if drv.UseLogger != nil {
    34  			drv.UseLogger(logger)
    35  		}
    36  	}
    37  }