74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package logging
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import (
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"flag"
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"fmt"
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"log"
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"os"
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goirc_logging "github.com/fluffle/goirc/logging"
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)
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const (
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loggingCallDepth = 3
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)
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type Logger interface {
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Debug(format string, args ...interface{})
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Info(format string, args ...interface{})
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Warn(format string, args ...interface{})
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Error(format string, args ...interface{})
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}
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var logger Logger
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type stdOutLogger struct {
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out *log.Logger
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}
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var debugFlag = flag.Bool("debug", false, "Enable debug logging.")
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func (l stdOutLogger) Debug(f string, a ...interface{}) {
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if *debugFlag {
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l.out.Output(loggingCallDepth, fmt.Sprintf("DEBUG "+f, a...))
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}
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}
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func (l stdOutLogger) Info(f string, a ...interface{}) {
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l.out.Output(loggingCallDepth, fmt.Sprintf("INFO "+f, a...))
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}
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func (l stdOutLogger) Warn(f string, a ...interface{}) {
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l.out.Output(loggingCallDepth, fmt.Sprintf("WARN "+f, a...))
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}
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func (l stdOutLogger) Error(f string, a ...interface{}) {
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l.out.Output(loggingCallDepth, fmt.Sprintf("ERROR "+f, a...))
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}
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func init() {
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logger = stdOutLogger{
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out: log.New(os.Stderr, "", log.Ldate|log.Lmicroseconds|log.Lshortfile),
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}
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goirc_logging.SetLogger(logger)
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}
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func Debug(f string, a ...interface{}) { logger.Debug(f, a...) }
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func Info(f string, a ...interface{}) { logger.Info(f, a...) }
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func Warn(f string, a ...interface{}) { logger.Warn(f, a...) }
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func Error(f string, a ...interface{}) { logger.Error(f, a...) }
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