| // Copyright 2015 CoreOS, Inc. |
| // |
| // 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. |
| |
| package capnslog |
| |
| import ( |
| "fmt" |
| "os" |
| ) |
| |
| type PackageLogger struct { |
| pkg string |
| level LogLevel |
| } |
| |
| const calldepth = 2 |
| |
| func (p *PackageLogger) internalLog(depth int, inLevel LogLevel, entries ...interface{}) { |
| logger.Lock() |
| defer logger.Unlock() |
| if inLevel != CRITICAL && p.level < inLevel { |
| return |
| } |
| if logger.formatter != nil { |
| logger.formatter.Format(p.pkg, inLevel, depth+1, entries...) |
| } |
| } |
| |
| // SetLevel allows users to change the current logging level. |
| func (p *PackageLogger) SetLevel(l LogLevel) { |
| logger.Lock() |
| defer logger.Unlock() |
| p.level = l |
| } |
| |
| // LevelAt checks if the given log level will be outputted under current setting. |
| func (p *PackageLogger) LevelAt(l LogLevel) bool { |
| logger.Lock() |
| defer logger.Unlock() |
| return p.level >= l |
| } |
| |
| // Log a formatted string at any level between ERROR and TRACE |
| func (p *PackageLogger) Logf(l LogLevel, format string, args ...interface{}) { |
| p.internalLog(calldepth, l, fmt.Sprintf(format, args...)) |
| } |
| |
| // Log a message at any level between ERROR and TRACE |
| func (p *PackageLogger) Log(l LogLevel, args ...interface{}) { |
| p.internalLog(calldepth, l, fmt.Sprint(args...)) |
| } |
| |
| // log stdlib compatibility |
| |
| func (p *PackageLogger) Println(args ...interface{}) { |
| p.internalLog(calldepth, INFO, fmt.Sprintln(args...)) |
| } |
| |
| func (p *PackageLogger) Printf(format string, args ...interface{}) { |
| p.Logf(INFO, format, args...) |
| } |
| |
| func (p *PackageLogger) Print(args ...interface{}) { |
| p.internalLog(calldepth, INFO, fmt.Sprint(args...)) |
| } |
| |
| // Panic and fatal |
| |
| func (p *PackageLogger) Panicf(format string, args ...interface{}) { |
| s := fmt.Sprintf(format, args...) |
| p.internalLog(calldepth, CRITICAL, s) |
| panic(s) |
| } |
| |
| func (p *PackageLogger) Panic(args ...interface{}) { |
| s := fmt.Sprint(args...) |
| p.internalLog(calldepth, CRITICAL, s) |
| panic(s) |
| } |
| |
| func (p *PackageLogger) Panicln(args ...interface{}) { |
| s := fmt.Sprintln(args...) |
| p.internalLog(calldepth, CRITICAL, s) |
| panic(s) |
| } |
| |
| func (p *PackageLogger) Fatalf(format string, args ...interface{}) { |
| p.Logf(CRITICAL, format, args...) |
| os.Exit(1) |
| } |
| |
| func (p *PackageLogger) Fatal(args ...interface{}) { |
| s := fmt.Sprint(args...) |
| p.internalLog(calldepth, CRITICAL, s) |
| os.Exit(1) |
| } |
| |
| func (p *PackageLogger) Fatalln(args ...interface{}) { |
| s := fmt.Sprintln(args...) |
| p.internalLog(calldepth, CRITICAL, s) |
| os.Exit(1) |
| } |
| |
| // Error Functions |
| |
| func (p *PackageLogger) Errorf(format string, args ...interface{}) { |
| p.Logf(ERROR, format, args...) |
| } |
| |
| func (p *PackageLogger) Error(entries ...interface{}) { |
| p.internalLog(calldepth, ERROR, entries...) |
| } |
| |
| // Warning Functions |
| |
| func (p *PackageLogger) Warningf(format string, args ...interface{}) { |
| p.Logf(WARNING, format, args...) |
| } |
| |
| func (p *PackageLogger) Warning(entries ...interface{}) { |
| p.internalLog(calldepth, WARNING, entries...) |
| } |
| |
| // Notice Functions |
| |
| func (p *PackageLogger) Noticef(format string, args ...interface{}) { |
| p.Logf(NOTICE, format, args...) |
| } |
| |
| func (p *PackageLogger) Notice(entries ...interface{}) { |
| p.internalLog(calldepth, NOTICE, entries...) |
| } |
| |
| // Info Functions |
| |
| func (p *PackageLogger) Infof(format string, args ...interface{}) { |
| p.Logf(INFO, format, args...) |
| } |
| |
| func (p *PackageLogger) Info(entries ...interface{}) { |
| p.internalLog(calldepth, INFO, entries...) |
| } |
| |
| // Debug Functions |
| |
| func (p *PackageLogger) Debugf(format string, args ...interface{}) { |
| if p.level < DEBUG { |
| return |
| } |
| p.Logf(DEBUG, format, args...) |
| } |
| |
| func (p *PackageLogger) Debug(entries ...interface{}) { |
| if p.level < DEBUG { |
| return |
| } |
| p.internalLog(calldepth, DEBUG, entries...) |
| } |
| |
| // Trace Functions |
| |
| func (p *PackageLogger) Tracef(format string, args ...interface{}) { |
| if p.level < TRACE { |
| return |
| } |
| p.Logf(TRACE, format, args...) |
| } |
| |
| func (p *PackageLogger) Trace(entries ...interface{}) { |
| if p.level < TRACE { |
| return |
| } |
| p.internalLog(calldepth, TRACE, entries...) |
| } |
| |
| func (p *PackageLogger) Flush() { |
| logger.Lock() |
| defer logger.Unlock() |
| logger.formatter.Flush() |
| } |