/// <summary>
/// asserts that the expected byte sequence is following in the stream
/// </summary>
private void AssertBytesFollowing(byte[] expected, CdrInputStream cdrIn)
{
for (int i = 0; i < expected.Length; i++)
{
byte data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(expected[i], data);
}
}
/// <summary>
/// asserts that the expected byte sequence is following in the stream
/// </summary>
private void AssertBytesFollowing(byte[] expected, CdrInputStream cdrIn) {
for (int i = 0; i < expected.Length; i++) {
byte data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(expected[i], data);
}
}
/// <summary>
/// Deserialises the Giop Message body for a request
/// </summary>
/// <param name="cdrStream"></param>
/// <param name="version"></param>
/// <returns></returns>
internal IMessage DeserialiseRequest(CdrInputStream cdrStream, GiopVersion version,
GiopConnectionDesc conDesc, IInterceptionOption[] interceptionOptions) {
MethodCall methodCallInfo = null;
GiopServerRequest serverRequest = new GiopServerRequest(conDesc, interceptionOptions);
serverRequest.Version = version;
try {
ServiceContextList cntxColl = null;
if (version.IsBeforeGiop1_2()) { // GIOP 1.0 / 1.1
cntxColl = DeserialiseContext(cdrStream); // Service context deser
}
// read the request-ID and set it as a message property
uint requestId = cdrStream.ReadULong();
serverRequest.RequestId = requestId;
Trace.WriteLine("received a message with reqId: " + requestId);
// read response-flags:
byte respFlags = cdrStream.ReadOctet(); Debug.WriteLine("response-flags: " + respFlags);
cdrStream.ReadPadding(3); // read reserved bytes
serverRequest.ResponseFlags = respFlags;
// decode the target of this request
byte[] objectKey;
serverRequest.RequestUri = ReadTarget(cdrStream, version, out objectKey);
serverRequest.ObjectKey = objectKey;
serverRequest.RequestMethodName = cdrStream.ReadString();
Trace.WriteLine("call for .NET object: " + serverRequest.RequestUri +
", methodName: " + serverRequest.RequestMethodName);
if (version.IsBeforeGiop1_2()) { // GIOP 1.0 / 1.1
uint principalLength = cdrStream.ReadULong();
cdrStream.ReadOpaque((int)principalLength);
} else {
cntxColl = DeserialiseContext(cdrStream); // Service context deser
}
PerformCodeSetEstablishmentServer(version, conDesc, cntxColl);
// set codeset for stream
SetCodeSet(cdrStream, conDesc);
// request header deserialised
serverRequest.RequestServiceContext = cntxColl;
serverRequest.InterceptReceiveRequestServiceContexts();
serverRequest.SetThreadScopeCurrentFromPICurrent(); // copy request scope picurrent to thread scope pi-current
serverRequest.ResolveTargetType(); // determine the .net target object type and check if target object is available
ArgumentsSerializer argSer =
m_argSerFactory.Create(serverRequest.ServerTypeType);
MethodInfo called =
argSer.GetMethodInfoFor(serverRequest.RequestMethodName);
serverRequest.ResolveCalledMethod(called); // set target method and handle special cases
IDictionary contextElements;
DeserialiseRequestBody(cdrStream, version, serverRequest, argSer, out contextElements);
methodCallInfo = new MethodCall(serverRequest.Request);
if (contextElements != null) {
AddContextElementsToCallContext(methodCallInfo.LogicalCallContext, contextElements);
}
serverRequest.UpdateWithFinalRequest(methodCallInfo);
serverRequest.InterceptReceiveRequest(); // all information now available
return methodCallInfo;
} catch (Exception e) {
// an Exception encountered during deserialisation
try {
cdrStream.SkipRest(); // skip rest of the message, to not corrupt the stream
} catch (Exception) {
// ignore exception here, already an other exception leading to problems
}
ReturnMessage exceptionResponse;
exceptionResponse = new ReturnMessage(e, methodCallInfo);
throw new RequestDeserializationException(e, serverRequest.Request, exceptionResponse);
// send exception interception point will be called when serialising exception response
}
}
