status-go/vendor/github.com/spacemonkeygo/spacelog/syslog.go

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2019-06-09 07:24:20 +00:00
// Copyright (C) 2014 Space Monkey, 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.
// +build !windows
package spacelog
import (
"bytes"
"log/syslog"
)
type SyslogPriority syslog.Priority
// SyslogOutput is a syslog client that matches the TextOutput interface
type SyslogOutput struct {
w *syslog.Writer
}
// NewSyslogOutput returns a TextOutput object that writes to syslog using
// the given facility and tag. The log level will be determined by the log
// event.
func NewSyslogOutput(facility SyslogPriority, tag string) (
TextOutput, error) {
w, err := syslog.New(syslog.Priority(facility), tag)
if err != nil {
return nil, err
}
return &SyslogOutput{w: w}, nil
}
func (o *SyslogOutput) Output(level LogLevel, message []byte) {
level = level.Match()
for _, msg := range bytes.Split(message, []byte{'\n'}) {
switch level {
case Critical:
o.w.Crit(string(msg))
case Error:
o.w.Err(string(msg))
case Warning:
o.w.Warning(string(msg))
case Notice:
o.w.Notice(string(msg))
case Info:
o.w.Info(string(msg))
case Debug:
fallthrough
case Trace:
fallthrough
default:
o.w.Debug(string(msg))
}
}
}