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/*
* Copyright (c) 2014, Yawning Angel <yawning at torproject dot org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package main
import (
"fmt"
"log"
"strings"
)
const (
levelError = iota
levelWarn
levelInfo
)
var logLevel = levelInfo
func noticef(format string, a ...interface{}) {
if enableLogging {
msg := fmt.Sprintf(format, a...)
log.Print("[NOTICE]: " + msg)
}
}
func errorf(format string, a ...interface{}) {
if enableLogging && logLevel >= levelError {
msg := fmt.Sprintf(format, a...)
log.Print("[ERROR]: " + msg)
}
}
func warnf(format string, a ...interface{}) {
if enableLogging && logLevel >= levelWarn {
msg := fmt.Sprintf(format, a...)
log.Print("[WARN]: " + msg)
}
}
func infof(format string, a ...interface{}) {
if enableLogging && logLevel >= levelInfo {
msg := fmt.Sprintf(format, a...)
log.Print("[INFO]: " + msg)
}
}
func setLogLevel(logLevelStr string) error {
switch strings.ToUpper(logLevelStr) {
case "ERROR":
logLevel = levelError
case "WARN":
logLevel = levelWarn
case "INFO":
logLevel = levelInfo
default:
return fmt.Errorf("invalid log level '%s'", logLevelStr)
}
return nil
}
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