/
snmpTest.go
78 lines (68 loc) · 1.78 KB
/
snmpTest.go
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package main
import (
"flag"
"fmt"
"github.com/alouca/gosnmp"
)
var (
cmdCommunity string
cmdTarget string
cmdOid string
cmdDebug string
cmdTimeout int64
)
func init() {
fmt.Printf("Simple SNMP Query ( just a simple GO exercise )\n")
flag.StringVar(&cmdDebug, "debug", "", "Debug flag expects byte array of raw packet to test decoding")
flag.StringVar(&cmdTarget, "target", "", "Target SNMP Agent")
flag.StringVar(&cmdCommunity, "community", "", "SNNP Community")
flag.StringVar(&cmdOid, "oid", ".1.3.6.1.2.1.1.1.0", "OID")
flag.Int64Var(&cmdTimeout, "timeout", 5, "Set the timeout in seconds")
flag.Parse()
}
func debugOut(msg string) int {
if ( cmdDebug != "" ) {
fmt.Printf("DEBUG --> %s\n", msg)
}
return 1;
}
func main() {
debugOut("Running in DEBUG mode")
s, err := gosnmp.NewGoSNMP(cmdTarget, cmdCommunity, gosnmp.Version2c, 5)
if cmdDebug != "" {
debugOut(fmt.Sprintf("Sending SNMP Bulk Query against %s on OID %s via community %s.", cmdTarget, cmdOid, cmdCommunity))
s.SetDebug(false)
s.SetVerbose(true)
} else {
s.SetDebug(false)
s.SetVerbose(false)
}
if cmdTarget == "" {
flag.PrintDefaults()
return
}
if err != nil {
fmt.Printf("Error creating SNMP instance: %s\n", err.Error())
return
}
s.SetTimeout(cmdTimeout)
fmt.Printf("Getting %s\n", cmdOid)
resp, err := s.Get(cmdOid)
if err != nil {
fmt.Printf("Error getting response: %s\n", err.Error())
} else {
for _, v := range resp.Variables {
fmt.Printf("%s -> ", v.Name)
switch v.Type {
case gosnmp.OctetString:
if s, ok := v.Value.(string); ok {
fmt.Printf("%s\n", s)
} else {
fmt.Printf("Response is not a string\n")
}
default:
fmt.Printf("Type: %d - Value: %v\n", v.Type, v.Value)
}
}
}
}