Examples - snmpasyncget

public void  Asyncget()
{
	//create snmp session
	SnmpSession s1 = new SnmpSession(); 
	//setup callback function
	s1.Processes += new AsyncProcesses(callbackexample);
							
	//create snmp pdu
	SnmpPdu pdu = new SnmpPdu(); 
	//Specify the Pdu type
	pdu.PduType = EnumPduType.GetPdu;
	//Set the community string
	pdu.Community = "public";
	pdu.Version =  SnmpVersion.Version1;

	// Try to retrieve snmp record
	try
	{
		// Add snmp variable
		SnmpVariable var = SnmpVariable.CreateSnmpVariable("1.3.6.1.2.1.1.5.0");
		pdu.AddRequestVariables(var);
		// Asynchronized request snmp SyncRequest(hostip, port, pdu)
		s1.AsyncRequest("127.0.0.1", 161, pdu);
	}
	catch (Exception	ex)
	{ 
		System.Console.Error.WriteLine("Sending PDU: " + ex.Message);
		System.Environment.Exit(1);
	}
	
	//Waiting for the result
	while(true)
	{
		try
		{
			System.Threading.Thread.Sleep(new System.TimeSpan((System.Int64) 10000 * 100));
		}
		catch (System.Exception )
		{
		}
		if (s1.AsyncPendingCount == 0)
		{
			System.Environment.Exit(0);
		}
	}
}	
//callback function
public void callbackexample(SnmpErrorStatus ErrorCode, SnmpPdu s, EndPoint SendToRemoteAddress, EndPoint RecvFromRemoteAddress)
{
	try
	{
		if (ErrorCode == 0)
		{
			System.Console.WriteLine("Response oid: "  + s.InnerVariables[0].OID);	
			System.Console.WriteLine("Response value: "  + s.InnerVariables[0].Data.ToString());
			System.Console.WriteLine("");
		}
	}
	catch(System.Exception ex)
	{
			System.Console.WriteLine("Error in output: " + ex.Message);
	}
}	
			

Public Sub Asyncget
	'create snmp session
	Dim s1 As New SnmpSession
	AddHandler s1.Processes, AddressOf callbackexample 
							
	'create snmp pdu
	Dim pdu As New SnmpPdu
	'Specify the Pdu type 
	pdu.PduType = EnumPduType.GetPdu
	'Set the community string
	pdu.Community = "public"
	pdu.Version =  SnmpVersion.Version1
	 
	' Try to retrieve snmp record
	Try
	
		' Add snmp variable
		Dim variable1 As SnmpVariable = SnmpVariable.CreateSnmpVariable("1.3.6.1.2.1.1.5.0")
		pdu.AddRequestVariables(variable1)
		s1.AsyncRequest("127.0.0.1", 161, pdu)
	Catch exception1	As	Exception 
		Console.Error.WriteLine(("Sending PDU: " & exception1.Message))
		Environment.Exit(1)
	End Try
	
	'Waiting for the result
	While (True)
		Try
			System.Threading.Thread.Sleep(New System.TimeSpan(CType(10000, System.Int64) * 100))
		Catch ex1 As System.Exception
		End Try
		If (s1.AsyncPendingCount = 0) Then
			System.Environment.Exit(0)
		End If
	End While
End Sub
	
'callback function
Public Sub callbackexample(ByVal ErrorCode As SnmpErrorStatus, ByVal s As SnmpPdu, ByVal SendToRemoteAddress As EndPoint, ByVal RecvFromRemoteAddress As EndPoint)
	Try
		If (ErrorCode = 0) Then
			Dim k As Integer
				Console.WriteLine("Response oid: " & s.InnerVariables(k).OID)
				Console.WriteLine("Response value: " & s.InnerVariables(k).Data.ToString)
				Console.WriteLine("")
		Else
			Dim objArray1 As Object() = New Object() {"Asnyc Request Send to: ", SendToRemoteAddress.ToString, "; With Error code: ", ErrorCode}
			Console.WriteLine(String.Concat(objArray1))
		End If
	Catch exception1 As Exception
            Console.WriteLine(("Error in output: " & exception1.Message))
	End Try
End Sub