/// <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(WsMessage message)
{
// Parse and validate the soap 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, m_request.Version));
}
catch
{
// If a valid Action is not found, fault
return(WsFault.GenerateFaultResponse(header, WsFaultType.WsaDestinationUnreachable, "To: " + header.To + " Action: " + header.Action, m_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>
/// Parses a GetResponse message.
/// </summary>
/// <param name="soapResponse">A byte array containing a response message.</param>
/// <param name="messageID">The message ID sent in the original request.</param>
/// <returns>
/// A DpwsMetadata object containing a details about a service endpoint.
/// </returns>
internal DpwsMetadata ProcessGetResponse(byte[] soapResponse, string messageID)
{
// Parse and build header
WsWsaHeader header = new WsWsaHeader();
XmlReader reader;
try
{
reader = WsSoapMessageParser.ParseSoapMessage(soapResponse, ref header, m_version);
}
catch
{
return(null);
}
try
{
// Make sure this is a get response
if (header.Action != WsWellKnownUri.WstNamespaceUri + "/GetResponse")
{
return(null);
}
// Make sure the messageID matches the request ID
if (header.RelatesTo != messageID)
{
return(null);
}
#if DEBUG
int depth = reader.Depth;
#endif
DpwsMetadata metaData = new DpwsMetadata(reader, m_version);
#if DEBUG
Microsoft.SPOT.Debug.Assert(XmlReaderHelper.HasReadCompleteNode(depth, reader));
#endif
return(metaData);
}
finally
{
reader.Close();
}
}
// TwoWayAttachmentRequest: receive an MTOM binary attachment and send a binary attachement in response
public WsMessage TwoWayAttachmentRequest(WsMessage request)
{
WsWsaHeader header = request.Header;
XmlReader reader = request.Reader;
// Make sure we have MTOM body parts
if (request.BodyParts == null)
{
throw new WsFaultException(header, WsFaultType.XmlException, "MTOM message has no body parts.");
}
// Find paramaters
reader.ReadStartElement("TwoWayAttachmentRequest", AttNamespace);
reader.ReadStartElement("Param", AttNamespace);
// Look for Include parameter
if (reader.IsStartElement("Include", WsWellKnownUri.XopNamespaceUri) == false)
{
throw new WsFaultException(header, WsFaultType.XmlException, "Body/TwoWayAttachmentRequest/Param/Include is missing.");
}
// Look for attachment body part
reader.MoveToFirstAttribute();
string cid = "<" + reader.Value.Substring(4) + ">";
////Log.Comment("");
////Log.Comment("TwoWayAttachment received. href = " + reader.Value);
WsMtomBodyPart bodyPart;
if ((bodyPart = request.BodyParts[cid]) == null)
{
throw new WsFaultException(header, WsFaultType.XmlException, "Required body part \"" + reader.Value + "\" in missing.");
}
// Print information about the attachment
////Log.Comment("Attachment size = " + bodyPart.Content.Length);
////Log.Comment("Content-ID = " + bodyPart.ContentID);
////Log.Comment("Content-Type = " + bodyPart.ContentType);
////Log.Comment("Content-Transfer-Encoding = " + bodyPart.ContentTransferEncoding);
////Log.Comment("");
// Return response
return(TwoWayAttachmentResp(header));
}
/// <summary>
/// Create an instance of a SubscriptionEndEvent arguments object.
/// </summary>
internal SubscriptionEndEventArgs(WsWsaHeader header, XmlReader reader)
{
// Retrieve the Identifier
this.Identifier = header.Any.GetNodeValue("Identifier", WsWellKnownUri.WseNamespaceUri);
reader.ReadStartElement("SubscriptionEnd", WsWellKnownUri.WseNamespaceUri);
if (reader.IsStartElement("SubscriptionManager", WsWellKnownUri.WseNamespaceUri))
{
this.SubscriptionManager = new WsWsaEndpointRef(reader);
}
this.SubscriptionID = this.SubscriptionManager.RefParameters.GetNodeValue("Identifier", WsWellKnownUri.WseNamespaceUri);
if (this.SubscriptionID == null || this.Identifier == null) // both need to be there
{
throw new XmlException();
}
}
public virtual SetDataResponse SetData(SetData req)
{
// Create request header
String action;
action = "http://tempuri.org/IDataAccessService/SetData";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
SetDataDataContractSerializer reqDcs;
reqDcs = new SetDataDataContractSerializer("SetData", "http://tempuri.org/");
request.Serializer = reqDcs;
request.Method = "SetData";
// Indicate that this message will use Mtom encoding
request.BodyParts = new WsMtomBodyParts();
// Send service request
m_requestChannel.Open();
WsMessage response = m_requestChannel.Request(request);
m_requestChannel.Close();
// Process response
SetDataResponseDataContractSerializer respDcs;
respDcs = new SetDataResponseDataContractSerializer("SetDataResponse", "http://tempuri.org/");
respDcs.BodyParts = response.BodyParts;
SetDataResponse resp;
resp = ((SetDataResponse)(respDcs.ReadObject(response.Reader)));
response.Reader.Dispose();
response.Reader = null;
return(resp);
}
/// <summary>
/// This method build a subscription end message.
/// </summary>
/// <param name="eventSink">An event sink containing client endpoint information.</param>
/// <param name="shutdownMessage">A string containing reason why the subscription is ending.</param>
/// <param name="subMangerID">An id sent by the client that they use to reference a subscription.</param>
/// <returns></returns>
private byte[] SubscriptionEndResponse(DpwsWseEventSink eventSink, string shutdownMessage, string subMangerID)
{
MemoryStream soapStream = new MemoryStream();
XmlWriter xmlWriter = XmlWriter.Create(soapStream);
WsWsaHeader responseHeader = new WsWsaHeader(
WsWellKnownUri.WseNamespaceUri + "/SubscriptionEnd", // Action
null, // RelatesTo
eventSink.EndTo.Address.AbsoluteUri, // To
null, null, eventSink.EndTo.RefProperties); // ReplyTo, From, Any
WsSoapMessageWriter.WriteSoapMessageStart(xmlWriter,
WsSoapMessageWriter.Prefixes.Wse, // Prefix
null, // Additional Prefix
responseHeader, // Header
null); // AppSequence
// write body
xmlWriter.WriteStartElement("wse", "SubscriptionEnd", null);
xmlWriter.WriteStartElement("wse", "SubscriptionManager", null);
xmlWriter.WriteStartElement("wsa", "Address", null);
xmlWriter.WriteString("http://" + Device.IPV4Address + ":" + Device.Port + "/" + subMangerID);
xmlWriter.WriteEndElement(); // End Address
xmlWriter.WriteStartElement("wsa", "ReferenceParameters", null);
xmlWriter.WriteStartElement("wse", "Identifier", null);
xmlWriter.WriteString(eventSink.ID);
xmlWriter.WriteEndElement(); // End Identifier
xmlWriter.WriteEndElement(); // End ReferenceParameters
xmlWriter.WriteEndElement(); // End SubscriptionManager
xmlWriter.WriteStartElement("wse", "Code", null);
xmlWriter.WriteString("wse:" + shutdownMessage);
xmlWriter.WriteEndElement(); // End Code
xmlWriter.WriteEndElement(); // End SubscriptionEnd
WsSoapMessageWriter.WriteSoapMessageEnd(xmlWriter);
// Flush and close writer. Return stream buffer
xmlWriter.Flush();
xmlWriter.Close();
return(soapStream.ToArray());
}
public virtual TwoWayAttachmentResponse TwoWayAttachment(TwoWayAttachmentRequest req)
{
// Create request header
String action;
action = "http://schemas.example.org/AttachmentService/TwoWayAttachment";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
TwoWayAttachmentRequestDataContractSerializer reqDcs;
reqDcs = new TwoWayAttachmentRequestDataContractSerializer("TwoWayAttachmentRequest", "http://schemas.example.org/AttachmentService");
request.Serializer = reqDcs;
request.Method = "TwoWayAttachment";
// Indicate that this message will use Mtom encoding
request.BodyParts = new WsMtomBodyParts();
// Send service request
m_requestChannel.Open();
WsMessage response = m_requestChannel.Request(request);
m_requestChannel.Close();
// Process response
TwoWayAttachmentResponseDataContractSerializer respDcs;
respDcs = new TwoWayAttachmentResponseDataContractSerializer("TwoWayAttachmentResponse", "http://schemas.example.org/AttachmentService");
respDcs.BodyParts = response.BodyParts;
TwoWayAttachmentResponse resp;
resp = ((TwoWayAttachmentResponse)(respDcs.ReadObject(response.Reader)));
response.Reader.Dispose();
response.Reader = null;
return(resp);
}
/// <summary>
/// This method build a subscription end message.
/// </summary>
/// <param name="eventSink">An event sink containing client endpoint information.</param>
/// <param name="shutdownMessage">A string containing reason why the subscription is ending.</param>
/// <param name="subMangerID">An id sent by the client that they use to reference a subscription.</param>
/// <returns></returns>
private WsMessage SubscriptionEndResponse(DpwsWseEventSink eventSink, string shutdownMessage, string subMangerID)
{
using (XmlMemoryWriter xmlWriter = XmlMemoryWriter.Create())
{
WsWsaHeader responseHeader = new WsWsaHeader(
WsWellKnownUri.WseNamespaceUri + "/SubscriptionEnd", // Action
null, // RelatesTo
eventSink.EndTo.Address.AbsoluteUri, // To
null, null, eventSink.EndTo.RefProperties); // ReplyTo, From, Any
WsMessage msg = new WsMessage(responseHeader, null, WsPrefix.Wse, null, null);
WsSoapMessageWriter smw = new WsSoapMessageWriter(m_version);
smw.WriteSoapMessageStart(xmlWriter, msg);
// write body
xmlWriter.WriteStartElement(WsNamespacePrefix.Wse, "SubscriptionEnd", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wse, "SubscriptionManager", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "Address", null);
xmlWriter.WriteString("http://" + Device.IPV4Address + ":" + Device.Port + "/" + subMangerID);
xmlWriter.WriteEndElement(); // End Address
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "ReferenceParameters", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wse, "Identifier", null);
xmlWriter.WriteString(eventSink.ID);
xmlWriter.WriteEndElement(); // End Identifier
xmlWriter.WriteEndElement(); // End ReferenceParameters
xmlWriter.WriteEndElement(); // End SubscriptionManager
xmlWriter.WriteStartElement(WsNamespacePrefix.Wse, "Code", null);
xmlWriter.WriteString(WsNamespacePrefix.Wse + ":" + shutdownMessage);
xmlWriter.WriteEndElement(); // End Code
xmlWriter.WriteEndElement(); // End SubscriptionEnd
smw.WriteSoapMessageEnd(xmlWriter);
msg.Body = xmlWriter.ToArray();
// Return stream buffer
return(msg);
}
}
/// <summary>
/// Bye stub calls the client Bye handler
/// </summary>
/// <param name="header">A WsWsaHeader object containing the details soap header information.</param>
/// <param name="envelope">A WsXmlDocument object containing the the entire soap message.</param>
/// <returns>A byte array containig a soap response mesage.</returns>
public WsMessage Bye(WsWsaHeader header, XmlReader reader)
{
try
{
if (reader.IsStartElement("Bye", m_version.DiscoveryNamespace))
{
m_client.RaiseByeEvent(new DpwsServiceDescription(reader, DpwsServiceDescription.ServiceDescriptionType.Bye, m_version));
}
else
{
throw new XmlException();
}
}
catch (Exception e)
{
System.Ext.Console.Write("Bye request processing failed.");
System.Ext.Console.Write(e.Message);
System.Ext.Console.Write(e.StackTrace);
}
return(null);
}
/// <summary>
/// Hello stub calls the client hello handler
/// </summary>
/// <param name="header">A WsWsaHeader object containing the details soap header information.</param>
/// <param name="envelope">A WsXmlDocument object containing the the entire soap message.</param>
/// <returns>A byte array containig a soap response mesage.</returns>
public byte[] Hello(WsWsaHeader header, XmlReader reader)
{
try
{
if (reader.IsStartElement("Hello", WsWellKnownUri.WsdNamespaceUri))
{
m_client.RaiseHelloEvent(new DpwsServiceDescription(reader, DpwsServiceDescription.ServiceDescriptionType.Hello));
}
else
{
throw new XmlException();
}
}
catch (Exception e)
{
System.Ext.Console.Write("Hello request processing failed.");
System.Ext.Console.Write(e.Message);
System.Ext.Console.Write(e.StackTrace);
}
return(null);
}
public byte[] OneWay(WsWsaHeader header, XmlReader reader)
{
try
{
// Find beginning of request
reader.ReadStartElement("OneWay", SimpleServiceNamespaceUri);
// Find the integer value
int number = Convert.ToInt32(reader.ReadElementString("Param", SimpleServiceNamespaceUri));
Log.Comment("");
Log.Comment("Integer = " + number.ToString());
Log.Comment("");
return(new byte[0]); // Empty response
}
catch (Exception e)
{
// Something went wrong
throw new WsFaultException(header, WsFaultType.XmlException, e.ToString());
}
}
// Implements the IWsServiceEndpoint.ProcessRequest method.
// Gets a service callback method based on the action property sent in a soap header and calls
// invoke on the callback method.
private byte[] ProcessRequest(WsWsaHeader header, XmlReader reader)
{
WsServiceOperation callback;
// Look for a client event sink callback action
if ((callback = m_eventCallbacks[header.Action]) != null)
{
m_messageType = WsMessageType.Soap;
System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(callback.MethodName);
if (methodInfo == null)
{
System.Ext.Console.Write("");
System.Ext.Console.Write("Client event callback method for action " + header.Action + " was not found");
System.Ext.Console.Write("");
}
return((byte[])methodInfo.Invoke(this, new object[] { header, reader }));
}
// If a valid Action is not found, fault
throw new WsFaultException(header, WsFaultType.WsaDestinationUnreachable, "To: " + header.To + " Action: " + header.Action);
}
/// <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>
/// A wrapper method that implements the ProcessRequest interface used to control blocking of request.
/// The BlockingCall property is used by the stack to control single instance execution. Hello and Bye
/// are not blocked. Event messages from a device are blocked. This means it is up to a client developer
/// to insure long thread safety.
/// </summary>
/// <param name="header">A WsWsaHeader containing the header proerties of a request.</param>
/// <param name="envelope">A WsXmlDocument containing the entire envelope of the message in a node tree.</param>
/// <returns>A byte array containing a soap response to the request.</returns>
byte[] IWsServiceEndpoint.ProcessRequest(WsWsaHeader header, XmlReader reader)
{
//We always block
lock (m_threadLock)
{
Microsoft.SPOT.Debug.Assert(header.Action.IndexOf(WsWellKnownUri.WsdNamespaceUri) == 0);
String action = header.Action.Substring(WsWellKnownUri.WsdNamespaceUri.Length + 1);
switch (action)
{
case "Hello":
return(Hello(header, reader));
case "Bye":
return(Bye(header, reader));
}
System.Ext.Console.Write("Client discovery callback method for action " + header.Action + " was not found");
return(null);
}
}
/// <summary>
/// Create an instance of a SubscriptionEndEvent arguments object.
/// </summary>
internal SubscriptionEndEventArgs(WsMessage msg, ProtocolVersion version)
{
// Retrieve the Identifier
WsWsaHeader header = msg.Header;
XmlReader reader = msg.Reader;
this.Identifier = header.Any.GetNodeValue("Identifier", version.EventingNamespace);
reader.ReadStartElement("SubscriptionEnd", version.EventingNamespace);
if (reader.IsStartElement("SubscriptionManager", version.EventingNamespace))
{
this.SubscriptionManager = new WsWsaEndpointRef(reader, version.AddressingNamespace);
}
this.SubscriptionID = this.SubscriptionManager.RefParameters.GetNodeValue("Identifier", version.EventingNamespace);
if (this.SubscriptionID == null || this.Identifier == null) // both need to be there
{
throw new XmlException();
}
}
public virtual void IntegerEvent(IntegerEventRequest eventReq)
{
// Create temp event source object, set the event action and create the event header
DpwsWseEventSource eventSource;
eventSource = EventSources["IntegerEvent"];
String action;
action = "http://schemas.example.org/EventingService/IntegerEvent";
WsWsaHeader header;
header = new WsWsaHeader(action, null, null, null, null, null);
WsMessage msg = new WsMessage(header, eventReq, WsPrefix.Wse);
// Create event serializer and write the event object
IntegerEventRequestDataContractSerializer eventDcs;
eventDcs = new IntegerEventRequestDataContractSerializer("IntegerEventRequest", "http://schemas.example.org/EventingService");
msg.Serializer = eventDcs;
// Fire event
Dpws.Device.Device.SubscriptionManager.FireEvent(this, eventSource, msg);
}
private XmlReader ProcessResponse(byte[] response, String messageID, String action)
{
WsWsaHeader header = new WsWsaHeader();
XmlReader reader = WsSoapMessageParser.ParseSoapMessage(response, ref header, m_version);
if (header.Action == m_version.AddressingNamespace + "/fault")
{
WsFault.ParseFaultResponseAndThrow(reader);
}
else if (header.Action != m_version.EventingNamespace + "/" + action)
{
throw new XmlException();
}
// Make sure this response matches the request
if (header.RelatesTo != messageID)
{
throw new XmlException();
}
return(reader);
}
/// <summary>
/// Builds a probe request message based on the filters parameter.
/// </summary>
/// <param name="targetServiceAddress">
/// A string containing the target service address of a known service to resolve.
/// For example: urn:uuid:3cb0d1ba-cc3a-46ce-b416-212ac2419b20
/// </param>
/// <param name="serviceAddress">
/// A string containing the address of a service endpoint used to process the resolve request.
/// For example: urn:uuid:22d0d1ba-cc3a-46ce-b416-212ac2419b20
/// </param>
/// <param name="messageID">
/// A string reference used to store retreive the messageID from resolve message generation. The id is
/// used to verify probe match responses for ad-hoc operation.
/// </param>
/// <returns>A byte array containing the resolve message or null if an error occures.</returns>
private WsMessage BuildResolveRequest(string targetServiceAddress, string serviceAddress, ref String messageID)
{
WsMessage msg = null;
// Build Resolve Request
using (XmlMemoryWriter xmlWriter = XmlMemoryWriter.Create())
{
WsWsaHeader header = new WsWsaHeader(
m_version.DiscoveryNamespace + "/Resolve", // Action
null, // RelatesTo
serviceAddress, // To
null, null, null); // ReplyTo, From, Any
msg = new WsMessage(header, null, WsPrefix.Wsd, null, null);
WsSoapMessageWriter smw = new WsSoapMessageWriter(m_version);
messageID = smw.WriteSoapMessageStart(xmlWriter, msg);
// write body
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "Resolve", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "EndpointReference", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "Address", null);
xmlWriter.WriteString(targetServiceAddress);
xmlWriter.WriteEndElement(); // End Address
xmlWriter.WriteEndElement(); // End EndpointReference
xmlWriter.WriteEndElement(); // End Resolve
smw.WriteSoapMessageEnd(xmlWriter);
// return the resolve message
msg.Body = xmlWriter.ToArray();
}
return(msg);
}
public virtual HelloWCFResponse HelloWCF(HelloWCF req)
{
// Create request header
String action;
action = "http://localhost/ServiceHelloWCF/IServiceHelloWCF/HelloWCF";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
HelloWCFDataContractSerializer reqDcs;
reqDcs = new HelloWCFDataContractSerializer("HelloWCF", "http://localhost/ServiceHelloWCF");
request.Serializer = reqDcs;
request.Method = "HelloWCF";
// Send service request
m_requestChannel.Open();
WsMessage response = m_requestChannel.Request(request);
m_requestChannel.Close();
// Process response
HelloWCFResponseDataContractSerializer respDcs;
respDcs = new HelloWCFResponseDataContractSerializer("HelloWCFResponse", "http://localhost/ServiceHelloWCF");
HelloWCFResponse resp;
resp = ((HelloWCFResponse)(respDcs.ReadObject(response.Reader)));
response.Reader.Dispose();
response.Reader = null;
return(resp);
}
public virtual keepAliveResponse keepAlive(keepAlive req)
{
// Create request header
String action;
action = "http://tempuri.org/IService1/keepAlive";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
keepAliveDataContractSerializer reqDcs;
reqDcs = new keepAliveDataContractSerializer("keepAlive", "http://tempuri.org/");
request.Serializer = reqDcs;
request.Method = "keepAlive";
// Send service request
m_requestChannel.Open();
WsMessage response = m_requestChannel.Request(request);
m_requestChannel.Close();
// Process response
keepAliveResponseDataContractSerializer respDcs;
respDcs = new keepAliveResponseDataContractSerializer("keepAliveResponse", "http://tempuri.org/");
keepAliveResponse resp;
resp = ((keepAliveResponse)(respDcs.ReadObject(response.Reader)));
response.Reader.Dispose();
response.Reader = null;
return(resp);
}
public byte[] MyTwoWayOperation(WsWsaHeader header, XmlReader reader)
{
try
{
reader.ReadStartElement("MyTwoWayRequest", this.ServiceNamespace.NamespaceURI);
// Extract parameter A from SOAP message body
string strA = reader.ReadElementString("A", this.ServiceNamespace.NamespaceURI);
int a = Convert.ToInt32(strA);
// Extract parameter B from SOAP message body
string strB = reader.ReadElementString("B", this.ServiceNamespace.NamespaceURI);
int b = Convert.ToInt32(strB);
if (b == 0)
{
throw new WsFaultException(header, WsFaultType.ArgumentException, "Division by zero. Argument B must not be zero.");
}
Debug.Print("MyTwoWayOperation with A=" + a + " / B=" + b + " executed.");
int quotient = a / b;
Debug.Print("Operation returns " + quotient + ".");
return(BuildMyTwoWayResponse(header, quotient));
}
catch (XmlException ex)
{
throw new WsFaultException(header, WsFaultType.XmlException, ex.Message);
}
catch (WsFaultException)
{
throw; // rethrow fault exception as it is
}
catch (Exception ex) // all other exception types
{
throw new WsFaultException(header, WsFaultType.Exception, ex.Message);
}
}
public virtual void OneWay(OneWayRequest req)
{
// Create request header
String action;
action = "http://schemas.example.org/SimpleService/OneWay";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
OneWayRequestDataContractSerializer reqDcs;
reqDcs = new OneWayRequestDataContractSerializer("OneWayRequest", "http://schemas.example.org/SimpleService");
request.Serializer = reqDcs;
request.Method = "OneWay";
// Send service request
m_requestChannel.Open();
m_requestChannel.RequestOneWay(request);
m_requestChannel.Close();
}
// Build ws-discovery bye message
internal static byte[] BuildByeMessage(string endpointAddress, WsWsaHeader header, XmlReader reader)
{
MemoryStream soapStream = new MemoryStream();
XmlWriter xmlWriter = XmlWriter.Create(soapStream);
WsWsaHeader byeHeader = new WsWsaHeader(
WsWellKnownUri.WsdNamespaceUri + "/Bye", // Action
null, // RelatesTo
endpointAddress, // To
null, null, null); // ReplyTo, From, Any
WsSoapMessageWriter.WriteSoapMessageStart(xmlWriter,
WsSoapMessageWriter.Prefixes.Wsd, // Prefix
null, // Additional Prefix
byeHeader, // Header
new WsSoapMessageWriter.AppSequence(Device.AppSequence, Device.SequenceID, Device.MessageID)); // AppSequence
// write body
xmlWriter.WriteStartElement("wsd", "Bye", WsWellKnownUri.WsdNamespaceUri);
xmlWriter.WriteStartElement("wsa", "EndpointReference", WsWellKnownUri.WsaNamespaceUri_2005_08);
xmlWriter.WriteStartElement("wsa", "Address", WsWellKnownUri.WsaNamespaceUri_2005_08);
xmlWriter.WriteString(Device.EndpointAddress);
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
xmlWriter.WriteStartElement("wsd", "XAddrs", WsWellKnownUri.WsdNamespaceUri);
xmlWriter.WriteString(Device.TransportAddress);
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
WsSoapMessageWriter.WriteSoapMessageEnd(xmlWriter);
// Flush and close writer. Return stream buffer
xmlWriter.Flush();
xmlWriter.Close();
return(soapStream.ToArray());
}
public virtual TypeCheckResponse TypeCheck(TypeCheckRequest req)
{
// Create request header
String action;
action = "http://schemas.example.org/SimpleService/TypeCheck";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
TypeCheckRequestDataContractSerializer reqDcs;
reqDcs = new TypeCheckRequestDataContractSerializer("TypeCheckRequest", "http://schemas.example.org/SimpleService");
request.Serializer = reqDcs;
request.Method = "TypeCheck";
// Send service request
m_requestChannel.Open();
WsMessage response = m_requestChannel.Request(request);
m_requestChannel.Close();
// Process response
TypeCheckResponseDataContractSerializer respDcs;
respDcs = new TypeCheckResponseDataContractSerializer("TypeCheckResponse", "http://schemas.example.org/SimpleService");
TypeCheckResponse resp;
resp = ((TypeCheckResponse)(respDcs.ReadObject(response.Reader)));
response.Reader.Dispose();
response.Reader = null;
return(resp);
}
public String WriteSoapMessageStart(XmlWriter writer, WsPrefix prefixes, WsXmlNamespaces additionalPrefixes, WsWsaHeader header, WsAppSequence appSequence, bool fSendHeader)
{
String messageId = "urn:uuid:" + Guid.NewGuid();
String xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<s:Envelope xmlns:s=\"" + WsWellKnownUri.SoapNamespaceUri + "\" " +
"xmlns:a=\"" + m_version.AddressingNamespace + "\" ";
if ((prefixes & WsPrefix.Wsdp) != WsPrefix.None)
{
xml += "xmlns:p=\"" + m_version.WsdpNamespaceUri + "\" ";
}
if ((prefixes & WsPrefix.Wse) != WsPrefix.None)
{
xml += "xmlns:e=\"" + WsWellKnownUri.WseNamespaceUri + "\" ";
}
if ((prefixes & WsPrefix.Wsx) != WsPrefix.None)
{
xml += "xmlns:x=\"" + WsWellKnownUri.WsxNamespaceUri + "\" ";
}
if ((prefixes & WsPrefix.Wsd) != WsPrefix.None || appSequence != null)
{
xml += "xmlns:d=\"" + m_version.DiscoveryNamespace + "\" ";
}
if (additionalPrefixes != null)
{
int count = additionalPrefixes.Count;
WsXmlNamespace current;
for (int i = 0; i < count; i++)
{
current = additionalPrefixes[i];
xml += "xmlns:" + current.Prefix + "=\"" + current.NamespaceURI + "\" ";
}
}
xml += ">";
if (fSendHeader)
{
xml +=
"<s:Header>" +
"<a:Action" + (header.MustUnderstand ? " s:mustUnderstand=\"1\">" : ">") + header.Action + "</a:Action>" +
"<a:MessageID>" + messageId + "</a:MessageID>" +
"<a:To" + (header.MustUnderstand ? " s:mustUnderstand=\"1\">" : ">") + header.To + "</a:To>";
if (header.RelatesTo != null)
{
xml += "<a:RelatesTo>" + header.RelatesTo + "</a:RelatesTo>";
}
if (header.From != null)
{
xml += "<a:From><a:Address>" + header.From.Address.AbsoluteUri + "</a:Address></a:From>";
}
if (header.ReplyTo != null)
{
xml += "<a:ReplyTo><a:Address>" + header.ReplyTo.Address.AbsoluteUri + "</a:Address></a:ReplyTo>";
}
if (appSequence != null)
{
xml += "<d:AppSequence InstanceId=\"" + appSequence.InstanceId + "\" ";
if (appSequence.SequenceId != null)
{
xml += "SequenceId=\"" + appSequence.SequenceId + "\" ";
}
xml += "MessageNumber=\"" + appSequence.MessageNumber + "\"/>";
}
writer.WriteRaw(xml);
if (header.Any != null)
{
header.Any.WriteTo(writer);
}
writer.WriteRaw("</s:Header>");
}
else
{
writer.WriteRaw(xml);
}
writer.WriteRaw("<s:Body>");
return(messageId);
}
/// <summary>
/// Use to send a resolve request to the ws-discovery address and receive a resolve match.
/// </summary>
/// <param name="message">A byte array containing a the resolve message.</param>
/// <param name="messageID">
/// A string containing the message ID of a resolve request. This ID will be used to validate against
/// a ResolveMatch received if it don't match, the ResolveMatch is discarded.
/// </param>
/// <param name="timeout">
/// A DateTime value containing the length of time this request will wait for resolve match.
/// until the timeout value has expired.
/// </param>
/// <returns>A resolve match object.</returns>
private DpwsServiceDescription SendResolveRequest(byte[] message, string messageID, long timeout)
{
WsMessageCheck messageCheck = new WsMessageCheck();
DpwsServiceDescription resolveMatch = null;
System.Ext.Console.Write("");
System.Ext.Console.Write("Sending Resolve:");
System.Ext.Console.Write(message);
// Create a new UdpClient
using (Socket udpClient = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
{
uint ipLocal = WsNetworkServices.GetLocalIPV4AddressValue();
IPAddress localIP = IPAddress.Parse(WsNetworkServices.GetLocalIPV4Address());
IPEndPoint localEP = new IPEndPoint(localIP, 0);
// Very important - Set default multicast interface for the underlying socket
udpClient.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, (int)ipLocal);
udpClient.ReceiveTimeout = (int)timeout;
udpClient.Bind(localEP);
// Random back off implemented as per soap over udp specification
// for unreliable multicast message exchange
Thread th = SendWithBackoff(message, udpClient);
// Wait for resolve match as long a timeout has not expired
byte[] resolveResponse = new byte[c_MaxUdpPacketSize];
EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
int responseLength;
DpwsDiscoClientProcessor soapProcessor = new DpwsDiscoClientProcessor(m_version);
while (true)
{
// Since MF sockets does not have an IOControl method catch 10054 to get around the problem
// with Upd and ICMP.
try
{
// Wait for response
responseLength = udpClient.ReceiveFrom(resolveResponse, c_MaxUdpPacketSize, SocketFlags.None, ref remoteEP);
}
catch (SocketException se)
{
if ((SocketError)se.ErrorCode == SocketError.ConnectionReset)
{
Thread.Sleep(100);
continue;
}
if ((SocketError)se.ErrorCode == SocketError.TimedOut)
{
break;
}
throw se;
}
// If we received process resolve match
if (responseLength > 0)
{
System.Ext.Console.Write("ResolveMatches Response From: " + ((IPEndPoint)remoteEP).Address.ToString());
System.Ext.Console.Write(resolveResponse);
try
{
WsWsaHeader header = new WsWsaHeader();
XmlReader reader = WsSoapMessageParser.ParseSoapMessage(resolveResponse, ref header, m_version);
WsMessage msg = new WsMessage(header, null, WsPrefix.Wsdp);
msg.Reader = reader;
resolveMatch = soapProcessor.ProcessResolveMatch(msg, messageID, (IPEndPoint)remoteEP, messageCheck);
if (resolveMatch != null)
{
break;
}
}
catch (Exception e)
{
System.Ext.Console.Write(e.Message);
}
}
}
th.Join();
}
// Display results
if (resolveMatch == null)
{
System.Ext.Console.Write("Resolve timed out.");
}
return(resolveMatch);
}
/// <summary>
/// Builds a probe request message based on the filters parameter.
/// </summary>
/// <param name="serviceAddress">
/// A string containing the target service address.
/// For example: urn:uuid:3cb0d1ba-cc3a-46ce-b416-212ac2419b20
/// </param>
/// <param name="filters">
/// A DpwsServiceTypes object containing a collection of types a service must support to signal a match.
/// Null = any type.
/// </param>
/// <param name="messageID">
/// A string used to return the messageID assigned to this message.
/// </param>
/// <returns>A byte array containing the probe message or null if an error occures.</returns>
private WsMessage BuildProbeRequest(string serviceAddress, DpwsServiceTypes filters, out String messageID)
{
// Performance debugging
DebugTiming timeDebuger = new DebugTiming();
long startTime = timeDebuger.ResetStartTime("");
WsMessage msg = null;
// Build Probe request
using (XmlMemoryWriter xmlWriter = XmlMemoryWriter.Create())
{
WsWsaHeader header = new WsWsaHeader(
m_version.DiscoveryNamespace + "/Probe", // Action
null, // RelatesTo
serviceAddress, // To
(m_version is ProtocolVersion11? m_version.AnonymousUri : null), null, null); // ReplyTo, From, Any
header.MustUnderstand = true;
// If filters are supplied, write filter namespaces if prefixed. Build filter list for use later
WsXmlNamespaces namespaces = new WsXmlNamespaces();
// Prefix hack for now:
int i = 0;
string prefix;
string filterList = "";
bool spaceFlag = false;
if (filters != null)
{
int count = filters.Count;
for (int j = 0; j < count; j++)
{
DpwsServiceType serviceType = filters[j];
prefix = namespaces.LookupPrefix(serviceType.NamespaceUri);
if (prefix == null)
{
prefix = "dp" + (i++);
namespaces.Add(new WsXmlNamespace(prefix, serviceType.NamespaceUri));
}
filterList = filterList + ((spaceFlag == true) ? " " : "") + prefix + ":" + serviceType.TypeName;
spaceFlag = true;
}
}
msg = new WsMessage(header, null, WsPrefix.Wsd, namespaces, null);
WsSoapMessageWriter smw = new WsSoapMessageWriter(m_version);
messageID = smw.WriteSoapMessageStart(xmlWriter, msg);
// Performance debuging
timeDebuger.PrintElapsedTime("*****Write Header Took");
// write body
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "Probe", null);
// If filter is supplied add filter types tag else write blank string to probe body, force an empty tag
if (filterList.Length != 0)
{
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "Types", null);
xmlWriter.WriteString(filterList);
xmlWriter.WriteEndElement(); // End Filter
}
else
{
xmlWriter.WriteString("");
}
xmlWriter.WriteEndElement(); // End Probe
// Performance debuging
timeDebuger.PrintElapsedTime("*****Write Body Took");
smw.WriteSoapMessageEnd(xmlWriter);
// Performance debuging
timeDebuger.PrintTotalTime(startTime, "***Probe Message Build Took");
// return the probe message
msg.Body = xmlWriter.ToArray();
}
return(msg);
}
/// <summary>
/// Sends a Probe request and parses ProbeMatches responses.
/// </summary>
/// <param name="filters">
/// A DpwsServiceTypes object containing a collection of types a service must support to signal a match.
/// Null = any type.
/// </param>
/// <param name="maxProbeMatches">
/// An integer representing the maximum number of matches to reveive within the timout period. Pass 0 to receive
/// as many matches as possible before the timeout expires.
/// </param>
/// <param name="timeout">
/// An integer specifying a request timeout in milliseconds. Pass -1 to wait ReceiveTimeout.
/// </param>
/// <remarks>
/// A Probe is used to discover services on a network. The Probe method sends a UDP request to the
/// Dpws multicast address, 239.255.255.250:3702. Any service that implements types specified in the
/// filters parameter should respond with a ProbeMatches message. The ProbeMatches mesgage is unicast
/// back to the that client that made the request. If a null filter is supplied any Dpws complient
/// service should reply with a ProbeMatches reponse. Probe waits DpwsDiceoveryCleint.ReceiveTimout
/// for probe matches.
/// </remarks>
/// <returns>
/// A collection of ProbeMatches objects. A ProbeMatch object contains endpoint details used
/// used to locate the actual service on a network and the types supported by the service.
/// </returns>
public DpwsServiceDescriptions Probe(DpwsServiceTypes filters, int maxProbeMatches, int timeout)
{
// Build the probe request message
WsMessageCheck messageCheck = new WsMessageCheck();
string messageID = null;
WsMessage probeRequest = BuildProbeRequest(DiscoVersion.DiscoveryWellKnownAddress, filters, out messageID);
DpwsServiceDescriptions probeMatches = new DpwsServiceDescriptions();
System.Ext.Console.Write("");
System.Ext.Console.Write("Sending Probe:");
System.Ext.Console.Write(probeRequest.Body as byte[]);
System.Ext.Console.Write("");
// Create a new UdpClient
using (Socket udpClient = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
{
// Very important - Set default multicast interface for the underlying socket
uint ipLocal = WsNetworkServices.GetLocalIPV4AddressValue();
IPAddress localIP = IPAddress.Parse(WsNetworkServices.GetLocalIPV4Address());
IPEndPoint localEP = new IPEndPoint(localIP, 0);
udpClient.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, (int)ipLocal);
udpClient.ReceiveTimeout = timeout;
udpClient.Bind(localEP);
// Random back off implemented as per soap over udp specification
// for unreliable multicast message exchange
Thread th = SendWithBackoff((byte[])probeRequest.Body, udpClient);
// Create probe matches collection and set expiration loop timer
byte[] probeResponse = new byte[c_MaxUdpPacketSize];
EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
int responseLength;
DpwsDiscoClientProcessor soapProcessor = new DpwsDiscoClientProcessor(m_version);
while (true)
{
// Since MF sockets does not have an IOControl method catch 10054 to get around the problem
// with Upd and ICMP.
try
{
// Wait for response
responseLength = udpClient.ReceiveFrom(probeResponse, c_MaxUdpPacketSize, SocketFlags.None, ref remoteEP);
}
catch (SocketException se)
{
if ((SocketError)se.ErrorCode == SocketError.ConnectionReset)
{
Thread.Sleep(100);
continue;
}
// Timeout
if ((SocketError)se.ErrorCode == SocketError.TimedOut)
{
break;
}
throw se;
}
// If we received process probe match
if (responseLength > 0)
{
System.Ext.Console.Write("");
System.Ext.Console.Write("ProbeMatches Response From: " + ((IPEndPoint)remoteEP).Address.ToString());
System.Ext.Console.Write(probeResponse);
// Process the response
try
{
WsWsaHeader header = new WsWsaHeader();
XmlReader reader = WsSoapMessageParser.ParseSoapMessage(probeResponse, ref header, m_version);
WsMessage msg = new WsMessage(header, null, WsPrefix.Wsdp);
msg.Reader = reader;
DpwsServiceDescriptions tempMatches = soapProcessor.ProcessProbeMatch(msg, messageID, (IPEndPoint)remoteEP, messageCheck);
if (tempMatches != null)
{
int count = maxProbeMatches < tempMatches.Count ? maxProbeMatches : tempMatches.Count;
for (int i = 0; i < count; i++)
{
probeMatches.Add(tempMatches[i]);
}
maxProbeMatches -= count;
}
}
catch (Exception e)
{
System.Ext.Console.Write("");
System.Ext.Console.Write(e.Message);
System.Ext.Console.Write("");
}
// If maxProbeRequest is set check count
if (maxProbeMatches <= 0)
{
break;
}
}
}
th.Join();
}
// Display results
if (probeMatches.Count == 0)
{
System.Ext.Console.Write("Probe timed out.");
}
else
{
System.Ext.Console.Write("Received " + probeMatches.Count + " probeMatches matches.");
}
return(probeMatches);
}
public virtual WsMessage ProbeMatch(WsMessage probe, DpwsHostedService matchedService)
{
XmlReader reader = probe.Reader;
WsWsaHeader header = probe.Header;
// Performance debugging
DebugTiming timeDebuger = new DebugTiming();
long startTime = timeDebuger.ResetStartTime("");
// Build ProbeMatch
using (XmlMemoryWriter xmlWriter = XmlMemoryWriter.Create())
{
// If a Host exist write the Host namespace
WsXmlNamespaces additionalPrefixes = null;
if (Device.Host != null)
{
additionalPrefixes = new WsXmlNamespaces();
additionalPrefixes.Add(Device.Host.ServiceNamespace);
}
WsWsaHeader matchHeader = new WsWsaHeader(
this.Version.DiscoveryNamespace + "/ProbeMatches", // Action
header.MessageID, // RelatesTo
this.Version.AnonymousUri, // To
null, null, null); // ReplyTo, From, Any
WsMessage msg = new WsMessage(matchHeader, null, WsPrefix.Wsd | WsPrefix.Wsdp, additionalPrefixes,
new WsAppSequence(Device.AppSequence, Device.SequenceID, Device.MessageID));
WsSoapMessageWriter smw = new WsSoapMessageWriter(this.Version);
smw.WriteSoapMessageStart(xmlWriter, msg);
// Performance debuging
timeDebuger.PrintElapsedTime("*****Write Header Took");
// write body
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "ProbeMatches", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "ProbeMatch", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "EndpointReference", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "Address", null);
xmlWriter.WriteString(matchedService == null ? Device.EndpointAddress : matchedService.EndpointAddress);
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
// Write hosted service types
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "Types", null);
WriteDeviceServiceTypes(xmlWriter);
xmlWriter.WriteEndElement(); // End Types
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "XAddrs", null);
string transport = Device.TransportAddress;
if (matchedService != null)
{
int idx = transport.LastIndexOf('/');
if (idx != -1)
{
transport = transport.Substring(0, idx + 1);
transport += matchedService.EndpointAddress.Substring(matchedService.EndpointAddress.IndexOf("urn:uuid:") + 9);
}
}
int idx2 = transport.ToLower().IndexOf("localhost");
if (idx2 != -1)
{
transport = transport.Substring(0, idx2) + WsNetworkServices.GetLocalIPV4Address() + transport.Substring(idx2 + 9 /*localhost*/);
}
xmlWriter.WriteString(transport);
xmlWriter.WriteEndElement();
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "MetadataVersion", null);
xmlWriter.WriteString(Device.MetadataVersion.ToString());
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
smw.WriteSoapMessageEnd(xmlWriter);
msg.Body = xmlWriter.ToArray();
// Performance debuging
timeDebuger.PrintTotalTime(startTime, "***ProbeMatch Took");
// Delay probe match as per Ws-Discovery specification (2.4 Protocol Assignments)
Thread.Sleep(new Random().Next(Device.ProbeMatchDelay));
// Return stream buffer
return(msg);
}
}
public virtual WsMessage ResolveMatch(WsMessage message)
{
XmlReader reader = message.Reader;
WsWsaHeader header = message.Header;
bool match = false;
string epAddr = "";
reader.ReadStartElement("Resolve", this.Version.DiscoveryNamespace);
if (reader.IsStartElement("EndpointReference", this.Version.AddressingNamespace) == false)
{
return(null);
}
WsWsaEndpointRef epRef = new WsWsaEndpointRef(reader, this.Version.AddressingNamespace);
epAddr = epRef.Address.AbsoluteUri;
if (Device.EndpointAddress != epAddr)
{
// If the destination endpoint is ours send a resolve match else return null
int servicesCount = Device.HostedServices.Count;
DpwsHostedService hostedService;
for (int i = 0; i < servicesCount; i++)
{
hostedService = (DpwsHostedService)Device.HostedServices[i];
// Skip internal services
if (hostedService.ServiceTypeName == "Internal")
{
continue;
}
if (hostedService.EndpointAddress == epAddr)
{
match = true;
break;
}
}
if (!match)
{
return(null);
}
}
// Build ResolveMatch
using (XmlMemoryWriter xmlWriter = XmlMemoryWriter.Create())
{
// If a Host exist write the Host namespace
WsXmlNamespaces additionalPrefixes = null;
if (Device.Host != null)
{
additionalPrefixes = new WsXmlNamespaces();
additionalPrefixes.Add(Device.Host.ServiceNamespace);
}
WsWsaHeader matchHeader = new WsWsaHeader(
this.Version.DiscoveryNamespace + "/ResolveMatches", // Action
header.MessageID, // RelatesTo
this.Version.AnonymousUri, // To
null, null, null); // ReplyTo, From, Any
WsMessage msg = new WsMessage(matchHeader, null, WsPrefix.Wsd | WsPrefix.Wsdp, additionalPrefixes,
new WsAppSequence(Device.AppSequence, Device.SequenceID, Device.MessageID));
WsSoapMessageWriter smw = new WsSoapMessageWriter(this.Version);
smw.WriteSoapMessageStart(xmlWriter, msg);
// write body
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "ResolveMatches", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "ResolveMatch", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "EndpointReference", null);
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsa, "Address", null);
xmlWriter.WriteString(epRef.Address.AbsoluteUri);
xmlWriter.WriteEndElement(); // End Address
xmlWriter.WriteEndElement(); // End EndpointReference
// Write hosted service types
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "Types", null);
WriteDeviceServiceTypes(xmlWriter);
xmlWriter.WriteEndElement(); // End Types
string transport = Device.TransportAddress;
if (match)
{
int idx = transport.LastIndexOf('/');
if (idx != -1)
{
transport = transport.Substring(0, idx + 1);
transport += epAddr.Substring(epAddr.IndexOf("urn:uuid:") + 9);
}
}
int idx2 = transport.ToLower().IndexOf("localhost");
if (idx2 != -1)
{
transport = transport.Substring(0, idx2) + WsNetworkServices.GetLocalIPV4Address() + transport.Substring(idx2 + 9 /*localhost*/);
}
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "XAddrs", null);
xmlWriter.WriteString(transport);
xmlWriter.WriteEndElement(); // End XAddrs
xmlWriter.WriteStartElement(WsNamespacePrefix.Wsd, "MetadataVersion", null);
xmlWriter.WriteString(Device.MetadataVersion.ToString());
xmlWriter.WriteEndElement(); // End MetadataVersion
xmlWriter.WriteEndElement(); // End ResolveMatch
xmlWriter.WriteEndElement(); // End ResolveMatches
smw.WriteSoapMessageEnd(xmlWriter);
msg.Body = xmlWriter.ToArray();
// Return stream buffer
return(msg);
}
}