github.com/decred/dcrlnd@v0.7.6/lnrpc/watchtowerrpc/log.go (about)

     1  package watchtowerrpc
     2  
     3  import (
     4  	"github.com/decred/dcrlnd/build"
     5  	"github.com/decred/slog"
     6  )
     7  
     8  // Subsystem defines the logging code for this subsystem.
     9  const Subsystem = "WRPC"
    10  
    11  // log is a logger that is initialized with no output filters. This means the
    12  // package will not perform any logging by default until the caller requests it.
    13  var log slog.Logger
    14  
    15  // The default amount of logging is none.
    16  func init() {
    17  	UseLogger(build.NewSubLogger(Subsystem, nil))
    18  }
    19  
    20  // DisableLog disables all library log output. Logging output is disabled by by
    21  // default until UseLogger is called.
    22  func DisableLog() {
    23  	UseLogger(slog.Disabled)
    24  }
    25  
    26  // UseLogger uses a specified Logger to output package logging info. This
    27  // should be used in preference to SetLogWriter if the caller is also using
    28  // slog.
    29  func UseLogger(logger slog.Logger) {
    30  	log = logger
    31  }