public string[] snmpWalk(string ip, string oid_in)
{
StringBuilder tempIP = new StringBuilder();
StringBuilder tempOID = new StringBuilder();
SnmpOID oidInput = new SnmpOID(oid_in);
SnmpOID oidTemp = new SnmpOID(oid_in);
string result = "";
tempIP.Append(ip);
tempOID.Append(oid_in);
while ((oidTemp.oidSegInt[oidInput.oidLen - 1]) == (oidInput.oidSegInt[oidInput.oidLen - 1]))
{
// IntPtr temp;
string tempstr;
tempstr = Marshal.PtrToStringAnsi(snmpGetNextOid(tempIP, tempOID));
oidTemp.Change(tempstr);
if ((oidTemp.oidSegInt[oidInput.oidLen - 1]) != (oidInput.oidSegInt[oidInput.oidLen - 1]))
{
break;
}
tempOID.Clear();
tempOID.Append(tempstr);
tempstr = "2c:" + ip + ":" + tempstr + ":" + Marshal.PtrToStringAnsi(snmpGet(tempIP, tempOID));
result += tempstr + ";";
}
string[] result2 = result.Split(new char[] { ';' });
return(result2);
}
public string get(string ip, string community, string oid, int timeout, int retry)
{
IPAddress ipaddr = IPAddress.Parse(ip);
SnmpAPI api = new SnmpAPI();
api.Debug = false;
SnmpSession session = new SnmpSession(api);
try
{
session.Open();
}
catch (SnmpException e)
{
error = "Error opening socket: " + e;
return "false";
}
SnmpPDU pdu = new SnmpPDU();
UDPProtocolOptions option = new UDPProtocolOptions(ipaddr, 161);
pdu.ProtocolOptions = option;
pdu.Community = community;
pdu.Timeout = timeout;
pdu.Retries = retry;
pdu.Command = SnmpAPI.GET_REQ_MSG;
SnmpOID send_oid = new SnmpOID(oid);
pdu.AddNull(send_oid);
SnmpPDU result = null;
try
{
result = session.SyncSend(pdu);
}
catch (SnmpException e)
{
error = "Error sending SNMP request: " + e;
return "false";
}
if (result == null)
{
error = "Request timed out!";
return "false";
}
else
{
if (result.Errstat == 0)
{
session.Close();
api.Close();
return result.GetVariable(0).ToString();
}
else
{
session.Close();
api.Close();
error = result.Error;
return "false";
}
}
}
