/// <summary>
/// Send an Http request containing an mtom message to an endpoint and waits for a response.
/// </summary>
/// <param name="bodyParts">A reference to the WsMtomBodyParts collection used to generate a mime multipart message.</param>
/// <param name="endpointAddress">A string containing the endpoint address of a service that will receive
/// <param name="isOneway">True = don't wait for response, false means wait for a response.</param>
/// <param name="isChuncked">If true true the message will be chunk encoded.</param>
/// <returns>
/// A DpwSoapResponse object containing a WsWsaHeader and an XmlReader or null if no response is received
/// or parsing fails.
/// </returns>
public DpwsSoapResponse SendRequest(ref WsMtomBodyParts bodyParts, string endpointAddress, bool isOneWay, bool isChuncked)
{
WsMtomParams mtomParams = new WsMtomParams();
if (bodyParts.Boundary == null)
bodyParts.Boundary = Guid.NewGuid().ToString() + '-' + Guid.NewGuid().ToString().Substring(0, 33);
mtomParams.start = bodyParts.Start;
mtomParams.boundary = bodyParts.Boundary;
WsMtom mtom = new WsMtom();
byte[] message = mtom.CreateMessage(bodyParts);
WsMessage response = SendRequest(message, endpointAddress, isOneWay, isChuncked, mtomParams);
if (isOneWay)
return null;
XmlReader reader;
WsWsaHeader header;
try
{
reader = WsSoapMessageParser.ParseSoapMessage(response.Message, out header);
bodyParts = response.BodyParts;
}
catch
{
System.Ext.Console.Write("ParseSoapMessage failed.");
return null;
}
return new DpwsSoapResponse(header, reader);
}
/// <summary>
/// Creates an instance of a WsRequestMessage class, parses the message into mtom body parts and assigns
/// the start body part to the SoapMessage property.
/// </summary>
/// <param name="message">A byte array containing the message received by a transport.</param>
/// <param name="boundary">A string containing a boundary element if the transport received an mtom message.</param>
/// <param name="start">
/// A string containing the ID of the mtom body part that contains the soap envelope
/// of the mtom attachment.
/// </param>
/// <remarks>
/// Because Mtom message are identified via transport header fields (yuck).
/// The transport services create this object and pass it to a message processor. If this is a normal soap request, no
/// additional processing is required and the SoapMessage property is set to the request message. If this is an
/// Mtom message, the transport header contains an mtom boundary element and start content id needed to parse
/// the mtom message. The boundary element is used to identify the start and end of mtom body parts sections.
/// The start content id is used to identify the specific mtom body part that contains a soap envelope that
/// references the additional body part elements. If an mtom message is created the constructor parses the
/// mtom message and creates an mtom body parts object. For mtom the constructor also sets the SoapMessage
/// property to the body part identified by the startContentID parmeter.
/// </remarks>
/// <exception cref="ArgumentNullException">If the message parameter is null.</exception>
public WsMessage(byte[] message, string boundary, string start)
{
Debug.Assert(message != null && boundary != null && start != null);
// Create an mtom object and parse the transport request message.
WsMtom mtom = new WsMtom(message);
this.Message = mtom.ParseMessage(boundary);
this.MessageType = WsMessageType.Mtom;
this.BodyParts = mtom.BodyParts;
System.Ext.Console.Write("Mtom message received. " + this.BodyParts.Count + " body parts found.");
System.Ext.Console.Write("Soap Message:");
System.Ext.Console.Write(new String(System.Text.Encoding.UTF8.GetChars(this.BodyParts[0].Content.ToArray())));
}
/// <summary>
/// Processes a message
/// </summary>
/// <param name="stream">The message being processed.</param>
/// <param name="ctx">The context associated with the message.</param>
/// <returns>The handling status for this operation.</returns>
protected override ChainResult OnProcessInputMessage(ref WsMessage msg, BindingContext ctx)
{
if(msg == null) return ChainResult.Abort;
ArrayList props = ctx.BindingProperties;
if (props != null)
{
int len = props.Count;
for (int j = 0; j < len; j++)
{
BindingProperty prop = (BindingProperty)props[j];
if (prop.Name == HttpKnownHeaderNames.ContentType)
{
string strContentType = ((string)prop.Value).ToLower();
if (strContentType.IndexOf("multipart/related;") == 0)
{
// Create the mtom header class
msg.MtomPropeties = new WsMtomParams();
// Parse Mtom Content-Type parameters
string[] fields = strContentType.Substring(18).Split(';');
int fieldsLen = fields.Length;
for (int i = 0; i < fieldsLen; ++i)
{
string type = fields[i];
int idx = type.IndexOf('=');
if(idx != -1)
{
string param = type.Substring(0, idx).Trim();
string value = type.Substring(idx + 1).Trim('\"');
switch (param.ToUpper())
{
case "BOUNDARY":
if (param.Length > 72)
throw new ArgumentException("Mime boundary element length exceeded.", "boundary");
msg.MtomPropeties.boundary = value;
break;
case "TYPE":
msg.MtomPropeties.type = value;
break;
case "START":
msg.MtomPropeties.start = value;
break;
case "START-INFO":
msg.MtomPropeties.startInfo = value;
break;
default:
break;
}
}
}
// Check required Mtom fields
if (msg.MtomPropeties.boundary == null || msg.MtomPropeties.type == null || msg.MtomPropeties.start == null)
{
throw new WsFaultException(msg.Header, WsFaultType.WseInvalidMessage);
}
WsMtom mtom = new WsMtom((byte[])msg.Body);
msg.Body = mtom.ParseMessage(msg.MtomPropeties.boundary);
msg.BodyParts = mtom.BodyParts;
}
else if (strContentType.IndexOf("application/soap+xml") != 0)
{
throw new WsFaultException(msg.Header, WsFaultType.WseInvalidMessage);
}
}
}
}
if (msg.Body == null) return ChainResult.Continue;
MemoryStream requestStream = new MemoryStream((byte[])msg.Body);
XmlReader reader = XmlReader.Create(requestStream);
WsWsaHeader hdr = new WsWsaHeader();
reader.ReadStartElement("Envelope", WsWellKnownUri.SoapNamespaceUri);
if(ctx.Version.IncludeSoapHeaders)
{
hdr.ParseHeader(reader, ctx.Version);
}
msg.Header = hdr;
reader.ReadStartElement("Body", WsWellKnownUri.SoapNamespaceUri);
if(msg.Deserializer != null)
{
msg.Body = ((DataContractSerializer)msg.Deserializer).ReadObject(reader);
reader.Dispose();
}
else
{
msg.Reader = reader;
}
return ChainResult.Continue;
}
/// <summary>
/// Processes a message
/// </summary>
/// <param name="msg">The message being processed.</param>
/// <param name="ctx">The context associated with the message.</param>
/// <returns>The handling status for this operation.</returns>
protected override ChainResult OnProcessOutputMessage( ref WsMessage msg, BindingContext ctx )
{
byte[] data = null;
// if the body is a byte[] then it is already serialized (UDP stuff)
if (msg == null || (msg.Body != null && msg.Body is byte[])) return ChainResult.Continue;
// Build response message
using (XmlMemoryWriter xmlWriter = XmlMemoryWriter.Create())
{
WsSoapMessageWriter smw = new WsSoapMessageWriter(ctx.Version);
// Write start message up to body element content
smw.WriteSoapMessageStart(xmlWriter, msg, ctx.Version.IncludeSoapHeaders);
if (msg.Body != null && msg.Serializer != null)
{
DataContractSerializer ser = (DataContractSerializer)msg.Serializer;
// Serialize the body element
ser.WriteObject(xmlWriter, msg.Body);
if(ser.BodyParts != null && ser.BodyParts.Count > 0)
{
msg.BodyParts = ser.BodyParts;
}
}
// Write end message
smw.WriteSoapMessageEnd(xmlWriter);
data = xmlWriter.ToArray();
}
WsMtomBodyParts bodyParts = msg.BodyParts;
if (bodyParts != null)
{
DataContractSerializer reqDcs = (DataContractSerializer)msg.Serializer;
bodyParts.Start = "<soap@soap>";
bodyParts.AddStart(reqDcs.CreateNewBodyPart(data, bodyParts.Start));
if (reqDcs.BodyParts.Count > 0)
{
bodyParts.Add(reqDcs.BodyParts[0]);
}
WsMtomParams mtomParams = new WsMtomParams();
if (bodyParts.Boundary == null)
bodyParts.Boundary = Guid.NewGuid().ToString() + '-' + Guid.NewGuid().ToString().Substring(0, 33);
mtomParams.start = bodyParts.Start;
mtomParams.boundary = bodyParts.Boundary;
msg.MtomPropeties = mtomParams;
WsMtom mtom = new WsMtom();
data = mtom.CreateMessage(bodyParts);
}
msg.Body = data;
return ChainResult.Continue;
}
