public int MyTwoWayOperation(int a, int b)
{
// Create HttpClient and send request
Debug.Print("Sending Request:");
byte[] request = BuildMyTwoWayRequest(a, b);
Debug.Print(new string(Encoding.UTF8.GetChars(request)));
DpwsHttpClient httpClient = new DpwsHttpClient();
DpwsSoapResponse response =
httpClient.SendRequest(request, // soap message
this.serviceTransportAddress,
false, //is one way?
false // is chunked?
);
if (response == null)
{
throw new InvalidOperationException("Two-way response was null.");
}
try
{
return(ParseTwoWayResponse(response.Reader));
}
finally
{
response.Reader.Close();
}
}
private void CheckFaultResponse(DpwsSoapResponse response)
{
if (response == null)
{
throw new Exception("Response was null.");
}
// Check for fault message
if (response.Header.Action == "http://schemas.xmlsoap.org/ws/2004/08/addressing/fault")
{
// Parse fault message
response.Reader.ReadStartElement("Fault", WsWellKnownUri.WsaNamespaceUri);
response.Reader.ReadStartElement("Code", WsWellKnownUri.WsaNamespaceUri);
string code = response.Reader.ReadElementString("Value", WsWellKnownUri.WsaNamespaceUri);
response.Reader.ReadStartElement("Subcode", WsWellKnownUri.WsaNamespaceUri);
string subcode = response.Reader.ReadElementString("Value", WsWellKnownUri.WsaNamespaceUri);
response.Reader.ReadEndElement();
response.Reader.ReadEndElement();
response.Reader.ReadStartElement("Reason", WsWellKnownUri.WsaNamespaceUri);
string reason = response.Reader.ReadElementString("Text", WsWellKnownUri.WsaNamespaceUri);
response.Reader.ReadEndElement();
string detail = response.Reader.ReadElementString("Detail", WsWellKnownUri.WsdpNamespaceUri);
Debug.Print("Fault response received:");
Debug.Print("Code: " + code);
Debug.Print("Subcode: " + subcode);
Debug.Print("Reason: " + reason);
Debug.Print("Detail: " + detail);
string exceptionMessage = reason + "\n" + detail +
"\nCode: " + code +
"\nSubcode: " + subcode;
// Throw exception depending on sub code
switch (subcode)
{
case "Ws:Exception":
throw new Exception(exceptionMessage);
case "Ws:ArgumentException":
throw new ArgumentException(exceptionMessage);
case "Ws:ArgumentNullException":
throw new ArgumentNullException(exceptionMessage);
case "Ws:InvalidOperationException":
throw new InvalidOperationException(exceptionMessage);
case "Ws:XmlException":
throw new XmlException(exceptionMessage);
default:
throw new Exception(exceptionMessage);
}
}
}
public int MyTwoWayOperation(int a, int b)
{
// Create HttpClient and send request
Debug.Print("Sending Request:");
byte[] request = BuildMyTwoWayRequest(a, b);
Debug.Print(new string(Encoding.UTF8.GetChars(request)));
DpwsHttpClient httpClient = new DpwsHttpClient();
DpwsSoapResponse response =
httpClient.SendRequest(request, // soap message
this.serviceTransportAddress,
false, //is one way?
false // is chunked?
);
if (response == null)
{
throw new InvalidOperationException("Two-way response was null.");
}
//if (response.Header.Action == "http://schemas.xmlsoap.org/ws/2004/08/addressing/fault")
// throw new Exception();
CheckFaultResponse(response);
return(ParseTwoWayResponse(response.Reader));
}
