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vender/github.com/ccding/go-stun/stun/log.go

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+// Copyright 2016, Cong Ding. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Author: Cong Ding <dinggnu@gmail.com>
+
+package stun
+
+import (
+	"log"
+	"os"
+)
+
+// Logger is a simple logger specified for this STUN client.
+type Logger struct {
+	log.Logger
+	debug bool
+	info  bool
+}
+
+// NewLogger creates a default logger.
+func NewLogger() *Logger {
+	logger := &Logger{*log.New(os.Stdout, "", log.LstdFlags), false, false}
+	return logger
+}
+
+// SetDebug sets the logger running in debug mode or not.
+func (l *Logger) SetDebug(v bool) {
+	l.debug = v
+}
+
+// SetInfo sets the logger running in info mode or not.
+func (l *Logger) SetInfo(v bool) {
+	l.info = v
+}
+
+// Debug outputs the log in the format of log.Print.
+func (l *Logger) Debug(v ...interface{}) {
+	if l.debug {
+		l.Print(v...)
+	}
+}
+
+// Debugf outputs the log in the format of log.Printf.
+func (l *Logger) Debugf(format string, v ...interface{}) {
+	if l.debug {
+		l.Printf(format, v...)
+	}
+}
+
+// Debugln outputs the log in the format of log.Println.
+func (l *Logger) Debugln(v ...interface{}) {
+	if l.debug {
+		l.Println(v...)
+	}
+}
+
+// Info outputs the log in the format of log.Print.
+func (l *Logger) Info(v ...interface{}) {
+	if l.info {
+		l.Print(v...)
+	}
+}
+
+// Infof outputs the log in the format of log.Printf.
+func (l *Logger) Infof(format string, v ...interface{}) {
+	if l.info {
+		l.Printf(format, v...)
+	}
+}
+
+// Infoln outputs the log in the format of log.Println.
+func (l *Logger) Infoln(v ...interface{}) {
+	if l.info {
+		l.Println(v...)
+	}
+}