/// <summary>
/// Parses a Udp transport message and builds a header object and envelope document then calls processRequest
/// on a service endpoint contained.
/// </summary>
/// <param name="soapRequest">A byte array containing a raw soap request message. If null no check is performed.</param>
/// <param name="messageCheck">A WsMessageCheck objct used to test for duplicate request.</param>
/// <param name="remoteEP">The remote endpoint address of the requestor.</param>
/// <returns>A byte array containing a soap response message returned from a service endpoint.</returns>
public WsMessage ProcessRequestMessage(RequestContext request)
{
// Parse and validate the soap message
WsMessage message = request.Message;
WsWsaHeader header = message.Header;
// Check Udp service endpoints collection for a target service.
int count = m_serviceEndpoints.Count;
// DO NOT USE the subscript operator for endpoint addresses (WsServiceEndpoints[EnpointAddress])
// for local host testing there are multiple endpoints with the same address but different operations
for (int i = 0; i < count; i++)
{
IWsServiceEndpoint serviceEndpoint = m_serviceEndpoints[i];
if (serviceEndpoint.EndpointAddress == header.To)
{
if (serviceEndpoint.ServiceOperations[header.Action] != null)
{
// Don't block discovery processes.
serviceEndpoint.BlockingCall = false;
try
{
return(serviceEndpoint.ProcessRequest(message));
}
catch (WsFaultException e)
{
return(WsFault.GenerateFaultResponse(e, request.Version));
}
catch
{
// If a valid Action is not found, fault
return(WsFault.GenerateFaultResponse(header, WsFaultType.WsaDestinationUnreachable, "To: " + header.To + " Action: " + header.Action, request.Version));
}
}
}
}
// Return null if service endpoint was not found
System.Ext.Console.Write("Udp service endpoint was not found.");
System.Ext.Console.Write(" Endpoint Address: " + header.To);
System.Ext.Console.Write(" Action: " + header.Action);
return(null);
}
/// <summary>
/// HttpServer Socket Listener
/// </summary>
public void Listen()
{
// Create listener and start listening
while (m_isStarted)
{
try
{
_Bind.RequestContext context = m_replyChannel.ReceiveRequest();
// The context returned by m_httpListener.GetContext(); can be null in case the service was stopped.
if (context != null)
{
WsHttpMessageProcessor processor = new WsHttpMessageProcessor(m_serviceEndpoints, context);
if (m_threadManager.ThreadsAvailable == false)
{
WsWsaHeader header = new WsWsaHeader();
context.Reply(WsFault.GenerateFaultResponse(header, WsFaultType.WsaEndpointUnavailable, "Service Unavailable (busy)", context.Version));
System.Ext.Console.Write("Http max thread count exceeded. Request ignored.");
}
else
{
// Try to get a processing thread and process the request
m_threadManager.StartNewThread(processor);
}
}
}
catch
{
if (!m_isStarted)
{
break;
}
}
}
}
/// <summary>
/// Parses a transport message and builds a header object and envelope document then calls processRequest
/// on a service endpoint.
/// </summary>
/// <param name="soapRequest">WsRequestMessage object containing a raw soap message or mtom soap request.</param>
/// <returns>WsResponseMessage object containing the soap response returned from a service endpoint.</returns>
private WsMessage ProcessRequestMessage(WsMessage soapRequest)
{
// Parse and validate the soap message
WsWsaHeader header;
XmlReader reader;
try
{
reader = WsSoapMessageParser.ParseSoapMessage(soapRequest.Message, out header);
}
catch (WsFaultException e)
{
return(WsFault.GenerateFaultResponse(e));
}
try
{
// Now check for implementation specific service endpoints.
IWsServiceEndpoint serviceEndpoint = null;
string endpointAddress = null;
// If this is Uri convert it
if (header.To.IndexOf("urn") == 0 || header.To.IndexOf("http") == 0)
{
// Convert to address to Uri
Uri toUri;
try
{
toUri = new Uri(header.To);
}
catch
{
System.Ext.Console.Write("Unsupported Header.To Uri format: " + header.To);
return(WsFault.GenerateFaultResponse(header, WsFaultType.ArgumentException, "Unsupported Header.To Uri format"));
}
// Convert the to address to a Urn:uuid if it is an Http endpoint
if (toUri.Scheme == "urn")
{
endpointAddress = toUri.AbsoluteUri;
}
else if (toUri.Scheme == "http")
{
endpointAddress = "urn:uuid:" + toUri.AbsoluteUri.Substring(1);
}
else
{
endpointAddress = header.To;
}
}
else
{
endpointAddress = "urn:uuid:" + header.To;
}
// Look for a service at the requested endpoint that contains an operation matching the Action
// This hack is required because service spec writers determined that more than one service type
// can live at a single endpoint address. Why you would want to break the object model and allow
// this feature is unknown so for now we must hack.
bool eventingReqFlag = true;
for (int i = 0; i < m_serviceEndpoints.Count; ++i)
{
if (m_serviceEndpoints[i].EndpointAddress == endpointAddress)
{
if (m_serviceEndpoints[i].ServiceOperations[header.Action] != null)
{
serviceEndpoint = m_serviceEndpoints[i];
eventingReqFlag = false;
break;
}
}
}
// Worst part of the hack: If no matching endpoint is found assume this is an event subscription
// request and call the base eventing methods on any class. They had to be Global because of this feature.
// Now the subscription manager must determine globally that a suitable web service is found. Yuch!!
if (eventingReqFlag)
{
serviceEndpoint = m_serviceEndpoints[0];
}
// If a matching service endpoint is found call operation
if (serviceEndpoint != null)
{
// If this is mtom, copy the requests body parts to the hosted services body parts
// prior to making the call
if (soapRequest.MessageType == WsMessageType.Mtom)
{
serviceEndpoint.BodyParts = soapRequest.BodyParts;
}
// Process the request
byte[] response;
try
{
response = serviceEndpoint.ProcessRequest(header, reader);
}
catch (WsFaultException e)
{
return(WsFault.GenerateFaultResponse(e));
}
catch (Exception e)
{
return(WsFault.GenerateFaultResponse(header, WsFaultType.Exception, e.ToString()));
}
// If the message response type is Soap return a SoapMessage type
if (serviceEndpoint.MessageType == WsMessageType.Soap)
{
if (response == null)
{
return(null);
}
return(new WsMessage(response));
}
// If the response is Mtom build an mtom response message
else // if (serviceEndpoint.MessageType == WsMessageType.Mtom)
{
return(new WsMessage(serviceEndpoint.BodyParts));
}
}
// Unreachable endpoint requested. Generate fault response
return(WsFault.GenerateFaultResponse(header, WsFaultType.WsaDestinationUnreachable, "Unknown service endpoint"));
}
finally
{
reader.Close();
}
}
/// <summary>
/// Parses a transport message and builds a header object and envelope document then calls processRequest
/// on a service endpoint.
/// </summary>
/// <param name="soapRequest">WsRequestMessage object containing a raw soap message or mtom soap request.</param>
/// <returns>WsResponseMessage object containing the soap response returned from a service endpoint.</returns>
private WsMessage ProcessRequestMessage(WsMessage soapRequest)
{
// Now check for implementation specific service endpoints.
IWsServiceEndpoint serviceEndpoint = null;
string endpointAddress;
WsWsaHeader header = soapRequest.Header;
// If this is Uri convert it
if (header.To.IndexOf("urn") == 0 || header.To.IndexOf("http") == 0)
{
// Convert to address to Uri
Uri toUri;
try
{
toUri = new Uri(header.To);
}
catch
{
System.Ext.Console.Write("Unsupported Header.To Uri format: " + header.To);
return(WsFault.GenerateFaultResponse(header, WsFaultType.ArgumentException, "Unsupported Header.To Uri format", m_context.Version));
}
// Convert the to address to a Urn:uuid if it is an Http endpoint
if (toUri.Scheme == "urn")
{
endpointAddress = toUri.AbsoluteUri;
}
else if (toUri.Scheme == "http")
{
endpointAddress = "urn:uuid:" + toUri.AbsoluteUri.Substring(1);
}
else
{
endpointAddress = header.To;
}
}
else
{
endpointAddress = "urn:uuid:" + header.To;
}
// Look for a service at the requested endpoint that contains an operation matching the Action
IWsServiceEndpoint ep = m_serviceEndpoints[endpointAddress];
if (ep != null)
{
if (ep.ServiceOperations[header.Action] != null)
{
serviceEndpoint = ep;
}
else
{
ep = m_serviceEndpoints[0]; // mex endpoint
if (ep.ServiceOperations[header.Action] != null)
{
serviceEndpoint = ep;
}
}
}
// If a matching service endpoint is found call operation
if (serviceEndpoint != null)
{
// Process the request
WsMessage response;
try
{
response = serviceEndpoint.ProcessRequest(soapRequest);
}
catch (WsFaultException e)
{
return(WsFault.GenerateFaultResponse(e, m_context.Version));
}
catch (Exception e)
{
return(WsFault.GenerateFaultResponse(header, WsFaultType.Exception, e.ToString(), m_context.Version));
}
return(response);
}
// Unreachable endpoint requested. Generate fault response
return(WsFault.GenerateFaultResponse(header, WsFaultType.WsaDestinationUnreachable, "Unknown service endpoint", m_context.Version));
}
