public Universal[] Get(params Universal[] vbinds)
{
SnmpBER mess = new SnmpBER(SnmpType.Sequence,
new Universal(0), // version-1
new Universal(agentCommunity),
PDU(SnmpType.GetRequestPDU, vbinds));
MemoryStream m = new MemoryStream();
mess.Send(m);
byte[] bytes = m.ToArray();
udp.Send(bytes, bytes.Length, agent);
IPEndPoint from = new IPEndPoint(IPAddress.Any, 0);
IAsyncResult result = udp.BeginReceive(null, this);
result.AsyncWaitHandle.WaitOne(100, false);
if (!result.IsCompleted)
{
return(null);
}
bytes = udp.EndReceive(result, ref from);
m = new MemoryStream(bytes, false);
mess = new SnmpBER(m);
Universal pdu = mess[2];
Universal vbindlist = pdu[3];
return((Universal[])vbindlist.Value);
}
public void Set(params Universal[] vbinds)
{
SnmpBER mess = new SnmpBER(SnmpType.Sequence,
new Universal(0), // version-1
new Universal(agentCommunity),
PDU(SnmpType.SetRequestPDU, vbinds));
MemoryStream m = new MemoryStream();
mess.Send(m);
byte[] bytes = m.ToArray();
udp.Send(bytes, bytes.Length, agent);
}
public bool GetNext(ref Universal vbind)
{
SnmpBER mess = new SnmpBER(SnmpType.Sequence,
new Universal(0), // version-1
new Universal(agentCommunity),
PDU(SnmpType.GetNextRequestPDU, vbind));
MemoryStream m = new MemoryStream();
mess.Send(m);
byte[] bytes = m.ToArray();
IPAddress host = Dns.GetHostEntry(agentAddress).AddressList[0];
agent = new IPEndPoint(host, 161);
udp.Send(bytes, bytes.Length, agent);
IPEndPoint from = new IPEndPoint(IPAddress.Any, 0);
IAsyncResult result = udp.BeginReceive(null, this);
result.AsyncWaitHandle.WaitOne(100, false);
if (!result.IsCompleted)
{
return(false);
}
bytes = udp.EndReceive(result, ref from);
m = new MemoryStream(bytes, false);
mess = new SnmpBER(m);
Universal pdu = mess[2];
if (((int)(X690.Integer)pdu[1].Value) != 0) // errorStatus
{
return(false);
}
Universal vbindlist = pdu[3];
vbind = ((Universal[])vbindlist.Value)[0];
return(true);
}
