github.com/decred/politeia@v1.4.0/politeiawww/legacy/log.go (about)

     1  // Copyright (c) 2013-2015 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 legacy
     6  
     7  import (
     8  	"github.com/decred/politeia/politeiawww/logger"
     9  	"github.com/decred/slog"
    10  )
    11  
    12  // log is a logger that is initialized with no output filters.  This
    13  // means the package will not perform any logging by default until the caller
    14  // requests it.
    15  var log = slog.Disabled
    16  
    17  // DisableLog disables all library log output.  Logging output is disabled
    18  // by default until either UseLogger or SetLogWriter are called.
    19  func DisableLog() {
    20  	log = slog.Disabled
    21  }
    22  
    23  // UseLogger uses a specified Logger to output package logging info.
    24  // This should be used in preference to SetLogWriter if the caller is also
    25  // using slog.
    26  func UseLogger(logger slog.Logger) {
    27  	log = logger
    28  }
    29  
    30  // Initialize the package logger.
    31  func init() {
    32  	UseLogger(logger.NewSubsystem("LWWW"))
    33  }