60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package syslog
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import (
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"net"
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"github.com/genofire/logmania/lib"
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"github.com/genofire/logmania/log"
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"github.com/genofire/logmania/receive"
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)
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type Receiver struct {
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receive.Receiver
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exportChannel chan *log.Entry
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serverSocket *net.UDPConn
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}
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func Init(config *lib.ReceiveConfig, exportChannel chan *log.Entry) receive.Receiver {
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addr, err := net.ResolveUDPAddr(config.Syslog.Type, config.Syslog.Address)
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ln, err := net.ListenUDP(config.Syslog.Type, addr)
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if err != nil {
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log.Error("syslog init ", err)
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return nil
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}
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recv := &Receiver{
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serverSocket: ln,
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exportChannel: exportChannel,
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}
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log.Info("syslog init")
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return recv
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}
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const maxDataGramSize = 8192
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func (rc *Receiver) Listen() {
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log.Info("syslog listen")
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for {
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buf := make([]byte, maxDataGramSize)
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n, src, err := rc.serverSocket.ReadFromUDP(buf)
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if err != nil {
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log.Warn("failed to accept connection", err)
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continue
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}
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raw := make([]byte, n)
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copy(raw, buf)
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rc.exportChannel <- toLogEntry(raw, src.IP.String())
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}
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}
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func (rc *Receiver) Close() {
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rc.serverSocket.Close()
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}
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func init() {
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receive.AddReceiver("syslog", Init)
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}
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