58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
// Copyright (C) 2010, Kyle Lemons <kyle@kylelemons.net>. All rights reserved.
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package log4go
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import (
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"encoding/json"
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"fmt"
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"net"
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"os"
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)
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// This log writer sends output to a socket
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type SocketLogWriter chan *LogRecord
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// This is the SocketLogWriter's output method
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func (w SocketLogWriter) LogWrite(rec *LogRecord) {
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w <- rec
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}
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func (w SocketLogWriter) Close() {
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close(w)
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}
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func NewSocketLogWriter(proto, hostport string) SocketLogWriter {
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sock, err := net.Dial(proto, hostport)
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if err != nil {
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fmt.Fprintf(os.Stderr, "NewSocketLogWriter(%q): %s\n", hostport, err)
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return nil
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}
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w := SocketLogWriter(make(chan *LogRecord, LogBufferLength))
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go func() {
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defer func() {
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if sock != nil && proto == "tcp" {
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sock.Close()
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}
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}()
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for rec := range w {
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// Marshall into JSON
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js, err := json.Marshal(rec)
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if err != nil {
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fmt.Fprint(os.Stderr, "SocketLogWriter(%q): %s", hostport, err)
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return
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}
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_, err = sock.Write(js)
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if err != nil {
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fmt.Fprint(os.Stderr, "SocketLogWriter(%q): %s", hostport, err)
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return
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}
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}
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}()
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return w
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}
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