/
logging.go
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/
logging.go
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// Copyright © 2018 The Havener
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package havener
import (
"time"
"github.com/gonvenience/bunt"
)
// LogLevel indicates the priority level of the log message
// which can be used for filtering
type LogLevel int
// LogMessage is a helper structure for transmitting log messages
// to the logger
type LogMessage struct {
Message string
Level LogLevel
Date time.Time
}
// Supported log levels include:
// - Off: don't print any logs
// - Fatal: only print fatal logs
// - Error: print error logs and previous levels
// - Warn: print warn logs and previous levels
// - Verbose: print verbose/info logs and previous levels
// - Debug: print debug logs and previous levels
// - Trace: print all logs
const (
Off = LogLevel(iota)
Fatal
Error
Warn
Verbose
Debug
Trace
)
var logChannel = make(chan LogMessage, 100)
// GetLogChannel return the log channel to be used
// within the internal package.
func GetLogChannel() chan LogMessage {
return logChannel
}
// logf formats the message and sends it to the logger
func logf(level LogLevel, message string, fArgs ...interface{}) {
logChannel <- LogMessage{
Message: bunt.Sprintf(message, fArgs...),
Level: level,
Date: time.Now(),
}
}