slog/syslog.go at main · unrolled/slog · GitHub

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package slog

import (

"log"

"log/syslog"

"os"

"sync"

)

// LockedSyslogWriteSyncer logs to syslog as well as stdout.

type LockedSyslogWriteSyncer struct {

sync.Mutex

w *syslog.Writer

ws WriteSyncer

}

// NewLockedSyslogWriteSyncer creates a new write syncer for syslog.

func NewLockedSyslogWriteSyncer(network, address, tag string) WriteSyncer {

w, err := syslog.Dial(network, address, syslog.LOG_INFO, tag)

if err != nil {

log.Fatalf("Failed to dial syslog: %s", err.Error())

}

return &LockedSyslogWriteSyncer{w: w, ws: os.Stdout}

}

func (l *LockedSyslogWriteSyncer) Write(bs []byte) (int, error) {

l.Lock()

n, err := l.w.Write(bs)

_, _ = l.ws.Write(bs)

l.Unlock()

return n, err

}

func (l *LockedSyslogWriteSyncer) Sync() error {

l.Lock()

err := l.ws.Sync()

l.Unlock()

return err

}

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