public void TestGiopConnectionDescCodeSetNotSetAccess()
{
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
Assert.IsTrue(
!desc.IsCodeSetDefined(), "No codeset user defined at construction time");
try
{
int charSet = desc.CharSet;
Assert.Fail("Expected expection, when accessing charset, although not set");
}
catch (INTERNAL)
{
// expected.
}
try
{
int wcharSet = desc.WCharSet;
Assert.Fail("Expected expection, when accessing charset, although not set");
}
catch (INTERNAL)
{
// expected.
}
}
/// <summary>reads an incoming Giop request-message from the Stream sourceStream</summary>
/// <returns>the .NET request message created from this Giop-message</returns>
internal IMessage ParseIncomingRequestMessage(Stream sourceStream,
GiopConnectionDesc conDesc)
{
CdrMessageInputStream msgInput = new CdrMessageInputStream(sourceStream);
return(ParseIncomingRequestMessage(msgInput, conDesc));
}
/// <summary>
/// constructor for the in direction.
/// </summary>
internal GiopServerRequest(GiopConnectionDesc conDesc,
IInterceptionOption[] interceptionOptions)
{
m_requestMessage = new SimpleGiopMsg();
m_requestCallMessage = null; // not yet created; will be created from requestMessage later.
m_replyMessage = null; // not yet available
m_conDesc = conDesc;
InitalizeForInterception(interceptionOptions);
}
/// <summary>reads an incoming Giop request-message from the message input stream msgInput</summary>
/// <returns>the .NET request message created from this Giop-message</returns>
internal IMessage ParseIncomingRequestMessage(CdrMessageInputStream msgInput,
GiopConnectionDesc conDesc)
{
CdrInputStream msgBody = msgInput.GetMessageContentReadingStream();
// deserialize the message body (the GIOP-request id is included in this message)
return(m_ser.DeserialiseRequest(msgBody, msgInput.Header.Version,
conDesc, m_interceptionOptions));
}
public void TestGiopConnectionDescCodeSetNotSet()
{
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
Assert.IsTrue(
!desc.IsCodeSetNegotiated(), "Codeset not negotiated at construction time");
Assert.IsTrue(
!desc.IsCodeSetDefined(), "No codeset user defined at construction time");
}
public void TestGiopConnectionDescSetCodeSetNegotiated()
{
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
desc.SetCodeSetNegotiated();
Assert.IsTrue(
desc.IsCodeSetNegotiated(), "Codeset negotiated");
Assert.IsTrue(
!desc.IsCodeSetDefined(), "Codeset not user defined");
}
/// <summary>
/// constructor for the out-direction
/// </summary>
/// <param name="request">the request message, may be null</param>
/// <param name="reply">the reply message</param>
internal GiopServerRequest(IMessage request, ReturnMessage reply, GiopConnectionDesc conDesc,
IInterceptionOption[] interceptionOptions)
{
if (request is IMethodCallMessage)
{
m_requestCallMessage = (IMethodCallMessage)request;
}
m_requestMessage = request;
m_replyMessage = reply;
m_conDesc = conDesc;
InitalizeForInterception(interceptionOptions);
}
/// <summary>
/// reads a locate-request message from the message input stream msgInput
/// and formulates an answer.
/// </summary>
/// <returns></returns>
internal Stream SerialiseOutgoingLocateReplyMessage(LocateReplyMessage replyMsg, LocateRequestMessage requestMsg,
GiopVersion version,
Stream targetStream, GiopConnectionDesc conDesc)
{
GiopHeader header = new GiopHeader(version.Major, version.Minor, m_headerFlags, GiopMsgTypes.LocateReply);
CdrMessageOutputStream msgOutput = new CdrMessageOutputStream(targetStream, header);
// serialize the message
m_ser.SerialiseLocateReply(msgOutput.GetMessageContentWritingStream(), version,
requestMsg.RequestId, replyMsg);
msgOutput.CloseStream(); // write to the stream
return(targetStream);
}
public void TestLocateReplySerialisation()
{
uint requestId = 5;
byte[] objectKey = new byte[] { 116, 101, 115, 116, 111, 98, 106, 101, 99, 116 }; // testobject
string targetUri = "testobject";
GiopVersion version = new GiopVersion(1, 2);
LocateRequestMessage locReq = new LocateRequestMessage(requestId, objectKey, targetUri);
// create a connection context
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// create the reply
LocateStatus replyStatus = LocateStatus.OBJECT_HERE;
LocateReplyMessage locReply = new LocateReplyMessage(replyStatus);
MemoryStream targetStream = new MemoryStream();
m_handler.SerialiseOutgoingLocateReplyMessage(locReply, locReq, version, targetStream, conDesc);
// check to serialised stream
targetStream.Seek(0, SeekOrigin.Begin);
CdrInputStreamImpl cdrIn = new CdrInputStreamImpl(targetStream);
cdrIn.ConfigStream(0, version);
// first is Giop-magic
byte data;
AssertBytesFollowing(m_giopMagic, cdrIn);
// Giop version
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(1, data);
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(2, data);
// flags: big-endian, no fragements
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(0, data);
// Giop Msg type: locate reply
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual((byte)GiopMsgTypes.LocateReply, data);
// Giop Msg length
uint msgLength = cdrIn.ReadULong();
cdrIn.SetMaxLength(msgLength);
// req-id
Assert.AreEqual(requestId, cdrIn.ReadULong());
// the location status
Assert.AreEqual((uint)replyStatus, cdrIn.ReadULong());
}
public void TestGiopConnectionDescSetCodeSet()
{
int charSet = 0x5010001;
int wcharSet = 0x10100;
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
desc.SetNegotiatedCodeSets(charSet, wcharSet);
Assert.IsTrue(
desc.IsCodeSetNegotiated(), "Codeset negotiated");
Assert.AreEqual(charSet, desc.CharSet, "char set");
Assert.AreEqual(wcharSet, desc.WCharSet, "wchar set");
Assert.IsTrue(desc.IsCodeSetDefined(), "Codeset user defined");
}
public void TestLocateRequestDeserialisation()
{
MemoryStream sourceStream = new MemoryStream();
// prepare msg
uint requestId = 5;
GiopVersion version = new GiopVersion(1, 2);
CdrOutputStreamImpl cdrOut = new CdrOutputStreamImpl(sourceStream, 0,
version);
cdrOut.WriteOpaque(m_giopMagic);
// version
cdrOut.WriteOctet(version.Major);
cdrOut.WriteOctet(version.Minor);
// flags
cdrOut.WriteOctet(0);
// msg-type: request
cdrOut.WriteOctet((byte)GiopMsgTypes.LocateRequest);
// msg-length
cdrOut.WriteULong(22);
// request-id
cdrOut.WriteULong(requestId);
// target: key type
cdrOut.WriteULong(0);
cdrOut.WriteULong(10); // key length
byte[] objectKey = new byte[] { 116, 101, 115, 116, 111, 98, 106, 101, 99, 116 }; // testobject
cdrOut.WriteOpaque(objectKey);
// create a connection context: this is needed for request deserialisation
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// go to stream begin
sourceStream.Seek(0, SeekOrigin.Begin);
// deserialise request message
LocateRequestMessage result = m_handler.ParseIncomingLocateRequestMessage(sourceStream);
// now check if values are correct
Assert.IsTrue(result != null, "deserialised message is null");
Assert.AreEqual(requestId, result.RequestId);
Assert.NotNull(result.ObjectKey);
Assert.NotNull(result.TargetUri);
Assert.AreEqual("testobject", result.TargetUri);
}
/// <summary>serialises an outgoing .NET reply Message on server side</summary>
internal void SerialiseOutgoingReplyMessage(IMessage replyMsg, IMessage requestMsg, GiopVersion version,
Stream targetStream, GiopConnectionDesc conDesc)
{
if (replyMsg is ReturnMessage)
{
// write a CORBA response message into the stream targetStream
GiopHeader header = new GiopHeader(version.Major, version.Minor, m_headerFlags, GiopMsgTypes.Reply);
CdrMessageOutputStream msgOutput = new CdrMessageOutputStream(targetStream, header);
GiopServerRequest request = new GiopServerRequest(requestMsg,
(ReturnMessage)replyMsg, conDesc,
m_interceptionOptions);
// serialize the message
m_ser.SerialiseReply(request, msgOutput.GetMessageContentWritingStream(),
version, conDesc);
msgOutput.CloseStream(); // write to the stream
}
else
{
throw new NotImplementedException("handling for this type of .NET message is not implemented at the moment, type: " +
replyMsg.GetType());
}
}
public void TestReplySerialisation()
{
// request msg the reply is for
MethodInfo methodToCall = typeof(TestService).GetMethod("Add");
object[] args = new object[] { ((Int32)1), ((Int32)2) };
string uri = "iiop://localhost:8087/testuri"; // Giop 1.2 will be used because no version spec in uri
GiopVersion version = new GiopVersion(1, 2);
TestMessage msg = new TestMessage(methodToCall, args, uri);
msg.Properties[SimpleGiopMsg.REQUEST_ID_KEY] = (uint)5;
msg.Properties[SimpleGiopMsg.GIOP_VERSION_KEY] = version;
msg.Properties[SimpleGiopMsg.CALLED_METHOD_KEY] = methodToCall;
msg.Properties[SimpleGiopMsg.IDL_METHOD_NAME_KEY] = methodToCall.Name; // done by serialization normally
// create a connection context
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// create the reply
ReturnMessage retMsg = new ReturnMessage((Int32)3, new object[0], 0, null, msg);
MemoryStream targetStream = new MemoryStream();
m_handler.SerialiseOutgoingReplyMessage(retMsg, msg, version,
targetStream, conDesc);
// check to serialised stream
targetStream.Seek(0, SeekOrigin.Begin);
CdrInputStreamImpl cdrIn = new CdrInputStreamImpl(targetStream);
cdrIn.ConfigStream(0, new GiopVersion(1, 2));
// first is Giop-magic
byte data;
AssertBytesFollowing(m_giopMagic, cdrIn);
// Giop version
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(1, data);
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(2, data);
// flags: big-endian, no fragements
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(0, data);
// Giop Msg type: reply
data = (byte)cdrIn.ReadOctet();
Assert.AreEqual(1, data);
// Giop Msg length
uint msgLength = cdrIn.ReadULong();
cdrIn.SetMaxLength(msgLength);
// req-id
Assert.AreEqual(5, cdrIn.ReadULong());
// response status: NO_EXCEPTION
Assert.AreEqual(0, cdrIn.ReadULong());
// ignore service contexts
SkipServiceContexts(cdrIn);
// Giop 1.2, must be aligned on 8
cdrIn.ForceReadAlign(Aligns.Align8);
// now return value is following
Assert.AreEqual(3, cdrIn.ReadLong());
}
public void TestRequestDeserialisation()
{
MemoryStream sourceStream = new MemoryStream();
// prepare msg
uint requestId = 5;
byte responseFlags = 3;
string methodName = "Add";
int nrOfArgs = 2;
int arg1 = 1;
int arg2 = 2;
GiopVersion version = new GiopVersion(1, 2);
CdrOutputStreamImpl cdrOut = new CdrOutputStreamImpl(sourceStream, 0,
version);
cdrOut.WriteOpaque(m_giopMagic);
// version
cdrOut.WriteOctet(version.Major);
cdrOut.WriteOctet(version.Minor);
// flags
cdrOut.WriteOctet(0);
// msg-type: request
cdrOut.WriteOctet(0);
// msg-length
cdrOut.WriteULong(68);
// request-id
cdrOut.WriteULong(requestId);
// response-flags
cdrOut.WriteOctet(responseFlags);
cdrOut.WritePadding(3);
// target: key type
cdrOut.WriteULong(0);
cdrOut.WriteULong(10); // key length
cdrOut.WriteOpaque(new byte[] { 116, 101, 115, 116, 111, 98, 106, 101, 99, 116 }); // testobject
// method name
cdrOut.WriteString(methodName);
// no service contexts
cdrOut.WriteULong(0);
cdrOut.ForceWriteAlign(Aligns.Align8);
// parameters
cdrOut.WriteLong(arg1);
cdrOut.WriteLong(arg2);
// create a connection context: this is needed for request deserialisation
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// go to stream begin
sourceStream.Seek(0, SeekOrigin.Begin);
IMessage result = null;
TestService service = new TestService();
try {
// object which should be called
string uri = "testobject";
RemotingServices.Marshal(service, uri);
// deserialise request message
result = m_handler.ParseIncomingRequestMessage(sourceStream, conDesc);
} catch (RequestDeserializationException e) {
throw e;
} finally {
RemotingServices.Disconnect(service);
}
// now check if values are correct
Assert.IsTrue(result != null, "deserialised message is null");
Assert.AreEqual(requestId, result.Properties[SimpleGiopMsg.REQUEST_ID_KEY]);
Assert.AreEqual(version, result.Properties[SimpleGiopMsg.GIOP_VERSION_KEY]);
Assert.AreEqual(responseFlags, result.Properties[SimpleGiopMsg.RESPONSE_FLAGS_KEY]);
Assert.AreEqual("testobject", result.Properties[SimpleGiopMsg.URI_KEY]);
Assert.AreEqual("Ch.Elca.Iiop.Tests.TestService", result.Properties[SimpleGiopMsg.TYPENAME_KEY]);
Assert.AreEqual(methodName, result.Properties[SimpleGiopMsg.METHODNAME_KEY]);
object[] args = (object[])result.Properties[SimpleGiopMsg.ARGS_KEY];
Assert.IsTrue(args != null, "args is null");
Assert.AreEqual(nrOfArgs, args.Length);
Assert.AreEqual(arg1, args[0]);
Assert.AreEqual(arg2, args[1]);
}
/// <summary>
/// constructor for the out-direction
/// </summary>
/// <param name="request">the request message, may be null</param>
/// <param name="reply">the reply message</param>
internal GiopServerRequest(IMessage request, ReturnMessage reply, GiopConnectionDesc conDesc,
IInterceptionOption[] interceptionOptions) {
if (request is IMethodCallMessage) {
m_requestCallMessage = (IMethodCallMessage)request;
}
m_requestMessage = request;
m_replyMessage = reply;
m_conDesc = conDesc;
InitalizeForInterception(interceptionOptions);
}
/// <summary>
/// constructor for the in direction.
/// </summary>
internal GiopServerRequest(GiopConnectionDesc conDesc,
IInterceptionOption[] interceptionOptions) {
m_requestMessage = new SimpleGiopMsg();
m_requestCallMessage = null; // not yet created; will be created from requestMessage later.
m_replyMessage = null; // not yet available
m_conDesc = conDesc;
InitalizeForInterception(interceptionOptions);
}
/// <summary>
/// set the codesets for the stream after codeset service descision
/// </summary>
/// <param name="cdrStream"></param>
private void SetCodeSet(CdrOutputStream cdrStream, GiopConnectionDesc conDesc) {
if (conDesc.IsCodeSetDefined()) {
// set the codeset, if one is chosen
cdrStream.CharSet = conDesc.CharSet;
cdrStream.WCharSet = conDesc.WCharSet;
} // otherwise: use cdrStream default.
}
/// <summary>serialises an outgoing .NET reply Message on server side</summary>
internal void SerialiseOutgoingReplyMessage(IMessage replyMsg, IMessage requestMsg, GiopVersion version,
Stream targetStream, GiopConnectionDesc conDesc) {
if (replyMsg is ReturnMessage) {
// write a CORBA response message into the stream targetStream
GiopHeader header = new GiopHeader(version.Major, version.Minor, m_headerFlags, GiopMsgTypes.Reply);
CdrMessageOutputStream msgOutput = new CdrMessageOutputStream(targetStream, header);
GiopServerRequest request = new GiopServerRequest(requestMsg,
(ReturnMessage)replyMsg, conDesc,
m_interceptionOptions);
// serialize the message
m_ser.SerialiseReply(request, msgOutput.GetMessageContentWritingStream(),
version, conDesc);
msgOutput.CloseStream(); // write to the stream
} else {
throw new NotImplementedException("handling for this type of .NET message is not implemented at the moment, type: " +
replyMsg.GetType());
}
}
/// <summary>reads an incoming Giop request-message from the message input stream msgInput</summary>
/// <returns>the .NET request message created from this Giop-message</returns>
internal IMessage ParseIncomingRequestMessage(CdrMessageInputStream msgInput,
GiopConnectionDesc conDesc) {
CdrInputStream msgBody = msgInput.GetMessageContentReadingStream();
// deserialize the message body (the GIOP-request id is included in this message)
return m_ser.DeserialiseRequest(msgBody, msgInput.Header.Version,
conDesc, m_interceptionOptions);
}
/// <summary>reads an incoming Giop request-message from the Stream sourceStream</summary>
/// <returns>the .NET request message created from this Giop-message</returns>
internal IMessage ParseIncomingRequestMessage(Stream sourceStream,
GiopConnectionDesc conDesc) {
CdrMessageInputStream msgInput = new CdrMessageInputStream(sourceStream);
return ParseIncomingRequestMessage(msgInput, conDesc);
}
internal IMessage DeserialiseReply(CdrInputStream cdrStream,
GiopVersion version, GiopClientRequest request,
GiopConnectionDesc conDesc) {
ServiceContextList cntxColl = null;
IMessage response = null;
try {
if (version.IsBeforeGiop1_2()) { // for GIOP 1.0 / 1.1, the service context is placed here
cntxColl = DeserialiseContext(cdrStream); // deserialize the service contexts
}
cdrStream.ReadULong(); // skip request id, already handled by transport
uint responseStatus = cdrStream.ReadULong();
if (!version.IsBeforeGiop1_2()) { // for GIOP 1.2 and later, service context is here
cntxColl = DeserialiseContext(cdrStream); // deserialize the service contexts
}
// set codeset for stream
SetCodeSet(cdrStream, conDesc);
switch (responseStatus) {
case 0 :
Trace.WriteLine("deserializing normal reply for methodCall: " + request.MethodToCall);
response = DeserialiseNormalReply(cdrStream, version, request);
UpdateClientRequestWithReplyData(request, response, cntxColl);
request.InterceptReceiveReply();
break;
case 1 :
Exception userEx = DeserialiseUserException(cdrStream, version); // the error .NET message for this exception is created in the formatter
UpdateClientRequestWithReplyData(request, new ReturnMessage(userEx, request.Request), cntxColl);
userEx = request.InterceptReceiveException(userEx);
response = new ReturnMessage(userEx, request.Request); // definitive exception only available here, because interception chain may change exception
break;
case 2 :
Exception systemEx = DeserialiseSystemError(cdrStream, version); // the error .NET message for this exception is created in the formatter
UpdateClientRequestWithReplyData(request, new ReturnMessage(systemEx, request.Request), cntxColl);
systemEx = request.InterceptReceiveException(systemEx);
response = new ReturnMessage(systemEx, request.Request); // definitive exception only available here, because interception chain may change exception
break;
case 3 :
case 4 :
// LOCATION_FORWARD / LOCATION_FORWARD_PERM:
// --> deserialise it and return location fwd message
response = DeserialiseLocationFwdReply(cdrStream, version, request);
UpdateClientRequestWithReplyData(request, response, cntxColl);
request.InterceptReceiveOther();
break;
default :
// deseralization of reply error, unknown reply status: responseStatus
// the error .NET message for this exception is created in the formatter
throw new MARSHAL(2401, CompletionStatus.Completed_MayBe);
}
} catch (Exception ex) {
Trace.WriteLine("exception while deserialising reply: " + ex);
try {
cdrStream.SkipRest();
} catch (Exception) {
// ignore this one, already problems.
}
if (!request.IsReplyInterceptionChainCompleted()) { // reply interception chain not yet called for this reply
// deserialisation not ok: interception not called;
// call interceptors with this exception.
request.Reply = new ReturnMessage(ex, request.Request as IMethodCallMessage);
Exception newException = request.InterceptReceiveException(ex); // exception may be changed by interception point
if (ex != newException) {
throw newException; // exception have been changed by interception point
}
}
throw;
}
return response;
}
/// <summary>
/// perform code set establishment on the client side
/// </summary>
protected void PerformCodeSetEstablishmentClient(IIorProfile targetProfile,
GiopConnectionDesc conDesc,
ServiceContextList cntxColl) {
if (targetProfile.Version.IsAfterGiop1_0()) {
if (!conDesc.IsCodeSetNegotiated()) {
Codec codec =
m_codecFactory.create_codec(new Encoding(ENCODING_CDR_ENCAPS.ConstVal,
targetProfile.Version.Major,
targetProfile.Version.Minor));
object codeSetComponent = CodeSetService.FindCodeSetComponent(targetProfile, codec);
if (codeSetComponent != null) {
int charSet = CodeSetService.ChooseCharSet((CodeSetComponentData)codeSetComponent);
int wcharSet = CodeSetService.ChooseWCharSet((CodeSetComponentData)codeSetComponent);
conDesc.SetNegotiatedCodeSets(charSet, wcharSet);
} else {
conDesc.SetCodeSetNegotiated();
}
if (conDesc.IsCodeSetDefined()) {
// only insert a codeset service context, if a codeset is selected
CodeSetService.InsertCodeSetServiceContext(cntxColl,
conDesc.CharSet, conDesc.WCharSet);
}
}
} else {
// giop 1.0; don't send code set service context; don't check again
conDesc.SetCodeSetNegotiated();
}
}
/// <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
}
}
/// <summary>
/// serialises the message body for a GIOP request
/// </summary>
/// <param name="clientRequest">the giop request Msg</param>
/// <param name="targetStream"></param>
/// <param name="version">the Giop version to use</param>
/// <param name="conDesc">the connection used for this request</param>
internal void SerialiseRequest(GiopClientRequest clientRequest,
CdrOutputStream targetStream,
IIorProfile targetProfile, GiopConnectionDesc conDesc) {
Trace.WriteLine(String.Format("serializing request for method {0}; uri {1}; id {2}",
clientRequest.MethodToCall, clientRequest.CalledUri,
clientRequest.RequestId));
try {
clientRequest.SetRequestPICurrentFromThreadScopeCurrent(); // copy from thread scope picurrent before processing request
ArgumentsSerializer ser =
m_argSerFactory.Create(clientRequest.MethodToCall.DeclaringType);
// determine the request method to send
string idlRequestName = ser.GetRequestNameFor(clientRequest.MethodToCall);
clientRequest.RequestMethodName = idlRequestName;
clientRequest.InterceptSendRequest();
GiopVersion version = targetProfile.Version;
ServiceContextList cntxColl = clientRequest.RequestServiceContext;
// set code-set for the stream
PerformCodeSetEstablishmentClient(targetProfile, conDesc, cntxColl);
SetCodeSet(targetStream, conDesc);
if (version.IsBeforeGiop1_2()) { // for GIOP 1.0 / 1.1
SerialiseContext(targetStream, cntxColl); // service context
}
targetStream.WriteULong(clientRequest.RequestId);
byte responseFlags = 0;
if (version.IsBeforeGiop1_2()) { // GIOP 1.0 / 1.1
responseFlags = 1;
} else {
// reply-expected, no DII-call --> must be 0x03, no reply --> must be 0x00
responseFlags = 3;
}
if (clientRequest.IsOneWayCall) {
responseFlags = 0;
} // check if one-way
// write response-flags
targetStream.WriteOctet(responseFlags);
targetStream.WritePadding(3); // reserved bytes
WriteTarget(targetStream, targetProfile.ObjectKey, version); // write the target-info
targetStream.WriteString(clientRequest.RequestMethodName); // write the method name
if (version.IsBeforeGiop1_2()) { // GIOP 1.0 / 1.1
targetStream.WriteULong(0); // no principal
} else { // GIOP 1.2
SerialiseContext(targetStream, cntxColl); // service context
}
SerialiseRequestBody(targetStream, clientRequest, version, ser);
} catch (Exception ex) {
Debug.WriteLine("exception while serialising request: " + ex);
Exception newException = clientRequest.InterceptReceiveException(ex); // interception point may change exception
if (newException == ex) {
throw;
} else {
throw newException; // exception has been changed by interception point
}
}
}
/// <summary>
/// reads a locate-request message from the message input stream msgInput
/// and formulates an answer.
/// </summary>
/// <returns></returns>
internal Stream SerialiseOutgoingLocateReplyMessage(LocateReplyMessage replyMsg, LocateRequestMessage requestMsg,
GiopVersion version,
Stream targetStream, GiopConnectionDesc conDesc) {
GiopHeader header = new GiopHeader(version.Major, version.Minor, m_headerFlags, GiopMsgTypes.LocateReply);
CdrMessageOutputStream msgOutput = new CdrMessageOutputStream(targetStream, header);
// serialize the message
m_ser.SerialiseLocateReply(msgOutput.GetMessageContentWritingStream(), version,
requestMsg.RequestId, replyMsg);
msgOutput.CloseStream(); // write to the stream
return targetStream;
}
/// <summary>serialize the GIOP message body of a repsonse message</summary>
/// <param name="requestId">the requestId of the request, this response belongs to</param>
internal void SerialiseReply(GiopServerRequest request, CdrOutputStream targetStream,
GiopVersion version,
GiopConnectionDesc conDesc) {
Trace.WriteLine("serializing response for method: " + request.GetRequestedMethodNameInternal());
try {
bool isExceptionReply = request.IsExceptionReply;
Exception exceptionToSend = null;
try {
request.SetRequestPICurrentFromThreadScopeCurrent(); // copy from thread scope picurrent after processing request by servant
// reply interception point
if (!request.IsExceptionReply) {
request.InterceptSendReply();
} else {
exceptionToSend = request.InterceptSendException(request.IdlException);
}
} catch (Exception ex) {
// update the reply with the exception from interception layer
isExceptionReply = true;
if (SerialiseAsSystemException(ex)) {
exceptionToSend = ex;
} else {
exceptionToSend = new UNKNOWN(300, CompletionStatus.Completed_MayBe);
}
}
ServiceContextList cntxColl = request.ResponseServiceContext;
SetCodeSet(targetStream, conDesc);
if (version.IsBeforeGiop1_2()) { // for GIOP 1.0 / 1.1
SerialiseContext(targetStream, cntxColl); // serialize the context
}
targetStream.WriteULong(request.RequestId);
if (!isExceptionReply) {
Trace.WriteLine("sending normal response to client");
targetStream.WriteULong(0); // reply status ok
if (!version.IsBeforeGiop1_2()) { // for GIOP 1.2 and later, service context is here
SerialiseContext(targetStream, cntxColl); // serialize the context
}
// serialize a response to a successful request
SerialiseResponseOk(targetStream, request, version);
Trace.WriteLine("reply body serialised");
} else {
Trace.WriteLine("excpetion to send to client: " + exceptionToSend.GetType());
if (SerialiseAsSystemException(exceptionToSend)) {
targetStream.WriteULong(2); // system exception
} else if (SerialiseAsUserException(exceptionToSend)) {
targetStream.WriteULong(1); // user exception
} else {
// should not occur
targetStream.WriteULong(2);
exceptionToSend = new INTERNAL(204, CompletionStatus.Completed_Yes);
}
if (!version.IsBeforeGiop1_2()) { // for GIOP 1.2 and later, service context is here
SerialiseContext(targetStream, cntxColl); // serialize the context
}
AlignBodyIfNeeded(targetStream, version);
if (SerialiseAsSystemException(exceptionToSend)) {
SerialiseSystemException(targetStream, exceptionToSend);
} else {
SerialiseUserException(targetStream, (AbstractUserException)exceptionToSend);
}
Trace.WriteLine("exception reply serialised");
}
} finally {
request.ClearThreadScopePICurrent(); // no longer needed, clear afterwards to prevent access to stale data during next requests
}
}
/// <summary>
/// perform code set establishment on the server side
/// </summary>
protected void PerformCodeSetEstablishmentServer(GiopVersion version,
GiopConnectionDesc conDesc,
ServiceContextList cntxColl) {
if (version.IsAfterGiop1_0()) {
if (!conDesc.IsCodeSetNegotiated()) {
// check for code set establishment
CodeSetServiceContext context =
CodeSetService.FindCodeSetServiceContext(cntxColl);
if (context != null) {
CodeSetService.CheckCodeSetCompatible(context.CharSet,
context.WCharSet);
conDesc.SetNegotiatedCodeSets(context.CharSet,
context.WCharSet);
}
}
} else {
conDesc.SetCodeSetNegotiated();
}
}