gosnmp
56 строк · 1.1 Кб
1// Copyright 2012 The GoSNMP Authors. All rights reserved. Use of this
2// source code is governed by a BSD-style license that can be found in the
3// LICENSE file.
4
5/*
6The developer of the trapserver code (https://github.com/jda) says "I'm working
7on the best level of abstraction but I'm able to receive traps from a Cisco
8switch and Net-SNMP".
9
10Pull requests welcome.
11*/
12
13package main
14
15import (
16"flag"
17"fmt"
18"log"
19"net"
20"os"
21"path/filepath"
22
23g "github.com/gosnmp/gosnmp"
24)
25
26func main() {
27flag.Usage = func() {
28fmt.Printf("Usage:\n")
29fmt.Printf(" %s\n", filepath.Base(os.Args[0]))
30flag.PrintDefaults()
31}
32
33tl := g.NewTrapListener()
34tl.OnNewTrap = myTrapHandler
35tl.Params = g.Default
36tl.Params.Logger = g.NewLogger(log.New(os.Stdout, "", 0))
37
38err := tl.Listen("0.0.0.0:9162")
39if err != nil {
40log.Panicf("error in listen: %s", err)
41}
42}
43
44func myTrapHandler(packet *g.SnmpPacket, addr *net.UDPAddr) {
45log.Printf("got trapdata from %s\n", addr.IP)
46for _, v := range packet.Variables {
47switch v.Type {
48case g.OctetString:
49b := v.Value.([]byte)
50fmt.Printf("OID: %s, string: %x\n", v.Name, b)
51
52default:
53log.Printf("trap: %+v\n", v)
54}
55}
56}
57