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// Copyright 2015 Luke Shumaker
//
// 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 logger implements a simple stderr-based logger with systemd
// log levels.
package logger
import (
"fmt"
"os"
)
///*#include <systemd/sd-daemon.h>*/
//#define SD_EMERG "<0>"
//#define SD_ALERT "<1>"
//#define SD_CRIT "<2>"
//#define SD_ERR "<3>"
//#define SD_WARNING "<4>"
//#define SD_NOTICE "<5>"
//#define SD_INFO "<6>"
//#define SD_DEBUG "<7>"
import "C"
func log(level string, format string, a ...interface{}) {
f := level + format + "\n"
fmt.Fprintf(os.Stderr, f, a...)
}
// system is unusable
func Emerg( /* */ format string, a ...interface{}) { log(C.SD_EMERG /* */, format, a...) }
// action must be taken immediately
func Alert( /* */ format string, a ...interface{}) { log(C.SD_ALERT /* */, format, a...) }
// critical conditions
func Crit( /* */ format string, a ...interface{}) { log(C.SD_CRIT /* */, format, a...) }
// error conditions
func Err( /* */ format string, a ...interface{}) { log(C.SD_ERR /* */, format, a...) }
// warning conditions
func Warning( /**/ format string, a ...interface{}) { log(C.SD_WARNING /**/, format, a...) }
// normal but significant condition
func Notice( /* */ format string, a ...interface{}) { log(C.SD_NOTICE /* */, format, a...) }
// informational
func Info( /* */ format string, a ...interface{}) { log(C.SD_INFO /* */, format, a...) }
// debug-level messages
func Debug( /* */ format string, a ...interface{}) { log(C.SD_DEBUG /* */, format, a...) }
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