public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack,
IMessage requestMsg,
ITransportHeaders requestHeaders, Stream requestStream,
out IMessage responseMsg, out ITransportHeaders responseHeaders,
out Stream responseStream)
{
if (requestMsg != null)
{
// The message has already been deserialized so delegate to the next sink.
return _nextSink.ProcessMessage(
sinkStack,
requestMsg, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
if (requestHeaders == null)
throw new ArgumentNullException("requestHeaders");
BaseTransportHeaders wkRequestHeaders = requestHeaders as BaseTransportHeaders;
ServerProcessing processing;
responseHeaders = null;
responseStream = null;
String verb = null;
String contentType = null;
bool bCanServiceRequest = true;
// determine the content type
String contentTypeHeader = null;
if (wkRequestHeaders != null)
contentTypeHeader = wkRequestHeaders.ContentType;
else
contentTypeHeader = requestHeaders["Content-Type"] as String;
if (contentTypeHeader != null)
{
String charsetValue;
HttpChannelHelper.ParseContentType(contentTypeHeader,
out contentType, out charsetValue);
}
// check to see if Content-Type matches
if ((contentType != null) &&
(String.CompareOrdinal(contentType, CoreChannel.BinaryMimeType) != 0))
{
bCanServiceRequest = false;
}
// check for http specific verbs
if (_protocol == Protocol.Http)
{
verb = (String)requestHeaders["__RequestVerb"];
if (!verb.Equals("POST") && !verb.Equals("M-POST"))
bCanServiceRequest = false;
}
// either delegate or return an error message if we can't service the request
if (!bCanServiceRequest)
{
// delegate to next sink if available
if (_nextSink != null)
{
return _nextSink.ProcessMessage(sinkStack, null, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
else
{
// send back an error message
if (_protocol == Protocol.Http)
{
// return a client bad request error
responseHeaders = new TransportHeaders();
responseHeaders["__HttpStatusCode"] = "400";
responseHeaders["__HttpReasonPhrase"] = "Bad Request";
responseStream = null;
responseMsg = null;
return ServerProcessing.Complete;
}
else
{
// The transport sink will catch this and do something here.
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_Channels_InvalidRequestFormat"));
}
}
}
try
{
String objectUri = null;
bool bIsCustomErrorEnabled = true;
object oIsCustomErrorEnabled = requestHeaders["__CustomErrorsEnabled"];
if (oIsCustomErrorEnabled != null && oIsCustomErrorEnabled is bool){
bIsCustomErrorEnabled = (bool)oIsCustomErrorEnabled;
}
CallContext.SetData("__CustomErrorsEnabled", bIsCustomErrorEnabled);
if (wkRequestHeaders != null)
objectUri = wkRequestHeaders.RequestUri;
else
objectUri = (String)requestHeaders[CommonTransportKeys.RequestUri];
if (objectUri != lastUri && RemotingServices.GetServerTypeForUri(objectUri) == null)
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_ChnlSink_UriNotPublished"));
else
lastUri = objectUri;
PermissionSet currentPermissionSet = null;
if (this.TypeFilterLevel != TypeFilterLevel.Full) {
currentPermissionSet = new PermissionSet(PermissionState.None);
currentPermissionSet.SetPermission(new SecurityPermission(SecurityPermissionFlag.SerializationFormatter));
}
try {
if (currentPermissionSet != null)
currentPermissionSet.PermitOnly();
// Deserialize Request - Stream to IMessage
requestMsg = CoreChannel.DeserializeBinaryRequestMessage(objectUri, requestStream, _strictBinding, this.TypeFilterLevel);
}
finally {
if (currentPermissionSet != null)
CodeAccessPermission.RevertPermitOnly();
}
requestStream.Close();
if(requestMsg == null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DeserializeMessage"));
}
// Transparent proxy IMessages are allowed conditionally by AppSettings
if (RemotingServices.IsTransparentProxy(requestMsg) && !AppSettings.AllowTransparentProxyMessage)
{
// Null request to prevent calling transparent proxy methods in catch below.
// Fwlink is provided to explain why it is not supported. Inner exceptions propagate back to sender.
requestMsg = null;
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DeserializeMessage"),
new NotSupportedException(AppSettings.AllowTransparentProxyMessageFwLink));
}
// Dispatch Call
sinkStack.Push(this, null);
processing =
_nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, null,
out responseMsg, out responseHeaders, out responseStream);
// make sure that responseStream is null
if (responseStream != null)
{
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_ChnlSink_WantNullResponseStream"));
}
switch (processing)
{
case ServerProcessing.Complete:
{
if (responseMsg == null)
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DispatchMessage"));
sinkStack.Pop(this);
SerializeResponse(sinkStack, responseMsg,
ref responseHeaders, out responseStream);
break;
} // case ServerProcessing.Complete
case ServerProcessing.OneWay:
{
sinkStack.Pop(this);
break;
} // case ServerProcessing.OneWay:
case ServerProcessing.Async:
{
sinkStack.Store(this, null);
break;
} // case ServerProcessing.Async
} // switch (processing)
}
catch(Exception e)
{
processing = ServerProcessing.Complete;
responseMsg = new ReturnMessage(e, (IMethodCallMessage)(requestMsg==null?new ErrorMessage():requestMsg));
//
CallContext.SetData("__ClientIsClr", true);
responseStream = (MemoryStream)CoreChannel.SerializeBinaryMessage(responseMsg, _includeVersioning);
CallContext.FreeNamedDataSlot("__ClientIsClr");
responseStream.Position = 0;
responseHeaders = new TransportHeaders();
if (_protocol == Protocol.Http)
{
responseHeaders["Content-Type"] = CoreChannel.BinaryMimeType;
}
}
finally{
CallContext.FreeNamedDataSlot("__CustomErrorsEnabled");
}
return processing;
} // ProcessMessage
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack,
IMessage requestMsg,
ITransportHeaders requestHeaders, Stream requestStream,
out IMessage responseMsg, out ITransportHeaders responseHeaders,
out Stream responseStream)
{
if (requestMsg != null)
{
// The message has already been deserialized so delegate to the next sink.
return _nextSink.ProcessMessage(
sinkStack,
requestMsg, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
if (requestHeaders == null)
throw new ArgumentNullException("requestHeaders");
BaseTransportHeaders wkRequestHeaders = requestHeaders as BaseTransportHeaders;
ServerProcessing processing;
responseHeaders = null;
responseStream = null;
String verb = null;
String contentType = null;
bool bCanServiceRequest = true;
// determine the content type
String contentTypeHeader = null;
if (wkRequestHeaders != null)
contentTypeHeader = wkRequestHeaders.ContentType;
else
contentTypeHeader = requestHeaders["Content-Type"] as String;
if (contentTypeHeader != null)
{
String charsetValue;
HttpChannelHelper.ParseContentType(contentTypeHeader,
out contentType, out charsetValue);
}
// check to see if Content-Type matches
if ((contentType != null) &&
(String.Compare(contentType, CoreChannel.SOAPMimeType, StringComparison.Ordinal) != 0))
{
bCanServiceRequest = false;
}
// check for http specific verbs
if (_protocol == Protocol.Http)
{
verb = (String)requestHeaders["__RequestVerb"];
if (!verb.Equals("POST") && !verb.Equals("M-POST"))
bCanServiceRequest = false;
}
// either delegate or return an error message if we can't service the request
if (!bCanServiceRequest)
{
// delegate to next sink if available
if (_nextSink != null)
{
return _nextSink.ProcessMessage(sinkStack, null, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
else
{
// send back an error message
if (_protocol == Protocol.Http)
{
// return a client bad request error
responseHeaders = new TransportHeaders();
responseHeaders["__HttpStatusCode"] = "400";
responseHeaders["__HttpReasonPhrase"] = "Bad Request";
responseStream = null;
responseMsg = null;
return ServerProcessing.Complete;
}
else
{
// The transport sink will catch this and do something here.
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_Channels_InvalidRequestFormat"));
}
}
}
bool bClientIsClr = true;
try
{
String objectUri = null;
if (wkRequestHeaders != null)
objectUri = wkRequestHeaders.RequestUri;
else
objectUri = (String)requestHeaders[CommonTransportKeys.RequestUri];
if (RemotingServices.GetServerTypeForUri(objectUri) == null)
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_ChnlSink_UriNotPublished"));
if (_protocol == Protocol.Http)
{
String userAgent = (String)requestHeaders["User-Agent"];
if (userAgent != null)
{
if (userAgent.IndexOf("MS .NET Remoting") == -1)
{
// user agent string did not contain ".NET Remoting", so it is someone else
bClientIsClr = false;
}
}
else
{
bClientIsClr = false;
}
}
bool bIsCustomErrorEnabled = true;
object oIsCustomErrorEnabled = requestHeaders["__CustomErrorsEnabled"];
if (oIsCustomErrorEnabled != null && oIsCustomErrorEnabled is bool){
bIsCustomErrorEnabled = (bool)oIsCustomErrorEnabled;
}
CallContext.SetData("__CustomErrorsEnabled", bIsCustomErrorEnabled);
String soapActionToVerify;
Header[] h = GetChannelHeaders(requestHeaders, out soapActionToVerify);
PermissionSet currentPermissionSet = null;
if (this.TypeFilterLevel != TypeFilterLevel.Full) {
currentPermissionSet = new PermissionSet(PermissionState.None);
currentPermissionSet.SetPermission(new SecurityPermission(SecurityPermissionFlag.SerializationFormatter));
}
try {
if (currentPermissionSet != null)
currentPermissionSet.PermitOnly();
// Deserialize Request - Stream to IMessage
requestMsg = CoreChannel.DeserializeSoapRequestMessage(requestStream, h, _strictBinding, this.TypeFilterLevel);
}
finally {
if (currentPermissionSet != null)
CodeAccessPermission.RevertPermitOnly();
}
requestStream.Close();
if(requestMsg == null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DeserializeMessage"));
}
// verify soap action if necessary
if ((soapActionToVerify != null) &&
(!SoapServices.IsSoapActionValidForMethodBase(
soapActionToVerify, ((IMethodMessage)requestMsg).MethodBase)))
{
throw new RemotingException(
String.Format(
CultureInfo.CurrentCulture, CoreChannel.GetResourceString("Remoting_Soap_InvalidSoapAction"),
soapActionToVerify)
);
}
// Dispatch Call
sinkStack.Push(this, null);
processing =
_nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, null,
out responseMsg, out responseHeaders, out responseStream);
// make sure that responseStream is null
if (responseStream != null)
{
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_ChnlSink_WantNullResponseStream"));
}
switch (processing)
{
case ServerProcessing.Complete:
{
if (responseMsg == null)
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DispatchMessage"));
sinkStack.Pop(this);
SerializeResponse(sinkStack, responseMsg, bClientIsClr,
ref responseHeaders, out responseStream);
break;
} // case ServerProcessing.Complete
case ServerProcessing.OneWay:
{
sinkStack.Pop(this);
break;
} // case ServerProcessing.OneWay:
case ServerProcessing.Async:
{
sinkStack.Store(this, null);
break;
} // case ServerProcessing.Async
} // switch (processing)
}
catch(Exception e)
{
processing = ServerProcessing.Complete;
responseMsg = new ReturnMessage(e, (IMethodCallMessage)(requestMsg==null?new ErrorMessage():requestMsg));
//
CallContext.SetData("__ClientIsClr", bClientIsClr);
responseStream = (MemoryStream)CoreChannel.SerializeSoapMessage(responseMsg, _includeVersioning);
CallContext.FreeNamedDataSlot("__ClientIsClr");
responseStream.Position = 0;
responseHeaders = new TransportHeaders();
if (_protocol == Protocol.Http)
{
responseHeaders["__HttpStatusCode"] = "500";
responseHeaders["__HttpReasonPhrase"] = "Internal Server Error";
responseHeaders["Content-Type"] = CoreChannel.SOAPContentType;
}
}
finally{
CallContext.FreeNamedDataSlot("__CustomErrorsEnabled");
}
return processing;
} // ProcessMessage
} // StrictBinding
/// <include file='doc\BinaryFormatterSinks.uex' path='docs/doc[@for="BinaryServerFormatterSink.ProcessMessage"]/*' />
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack,
IMessage requestMsg,
ITransportHeaders requestHeaders, Stream requestStream,
out IMessage responseMsg, out ITransportHeaders responseHeaders,
out Stream responseStream)
{
if (requestMsg != null)
{
// The message has already been deserialized so delegate to the next sink.
return _nextSink.ProcessMessage(
sinkStack,
requestMsg, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
if (requestHeaders == null)
throw new ArgumentNullException("requestHeaders");
BaseTransportHeaders wkRequestHeaders = requestHeaders as BaseTransportHeaders;
ServerProcessing processing;
responseHeaders = null;
responseStream = null;
String verb = null;
String contentType = null;
bool bCanServiceRequest = true;
// determine the content type
String contentTypeHeader = null;
if (wkRequestHeaders != null)
contentTypeHeader = wkRequestHeaders.ContentType;
else
contentTypeHeader = requestHeaders["Content-Type"] as String;
if (contentTypeHeader != null)
{
String charsetValue;
HttpChannelHelper.ParseContentType(contentTypeHeader,
out contentType, out charsetValue);
}
// check to see if Content-Type matches
if ((contentType != null) &&
(String.CompareOrdinal(contentType, CoreChannel.BinaryMimeType) != 0))
{
bCanServiceRequest = false;
}
// check for http specific verbs
if (_protocol == Protocol.Http)
{
verb = (String)requestHeaders["__RequestVerb"];
if (!verb.Equals("POST") && !verb.Equals("M-POST"))
bCanServiceRequest = false;
}
// either delegate or return an error message if we can't service the request
if (!bCanServiceRequest)
{
// delegate to next sink if available
if (_nextSink != null)
{
return _nextSink.ProcessMessage(sinkStack, null, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
else
{
// send back an error message
if (_protocol == Protocol.Http)
{
// return a client bad request error
responseHeaders = new TransportHeaders();
responseHeaders["__HttpStatusCode"] = "400";
responseHeaders["__HttpReasonPhrase"] = "Bad Request";
responseStream = null;
responseMsg = null;
return ServerProcessing.Complete;
}
else
{
// The transport sink will catch this and do something here.
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_Channels_InvalidRequestFormat"));
}
}
}
try
{
String objectUri = null;
if (wkRequestHeaders != null)
objectUri = wkRequestHeaders.RequestUri;
else
objectUri = (String)requestHeaders[CommonTransportKeys.RequestUri];
if (RemotingServices.GetServerTypeForUri(objectUri) == null)
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_ChnlSink_UriNotPublished"));
RemotingServices.LogRemotingStage(CoreChannel.SERVER_MSG_DESER);
// Deserialize Request - Stream to IMessage
requestMsg =
CoreChannel.DeserializeBinaryRequestMessage(objectUri, requestStream, _strictBinding);
requestStream.Close();
if(requestMsg == null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DeserializeMessage"));
}
// Dispatch Call
sinkStack.Push(this, null);
RemotingServices.LogRemotingStage(CoreChannel.SERVER_MSG_SINK_CHAIN);
processing =
_nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, null,
out responseMsg, out responseHeaders, out responseStream);
// make sure that responseStream is null
if (responseStream != null)
{
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_ChnlSink_WantNullResponseStream"));
}
switch (processing)
{
case ServerProcessing.Complete:
{
if (responseMsg == null)
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DispatchMessage"));
sinkStack.Pop(this);
RemotingServices.LogRemotingStage(CoreChannel.SERVER_RET_SER);
SerializeResponse(sinkStack, responseMsg,
ref responseHeaders, out responseStream);
break;
} // case ServerProcessing.Complete
case ServerProcessing.OneWay:
{
sinkStack.Pop(this);
break;
} // case ServerProcessing.OneWay:
case ServerProcessing.Async:
{
sinkStack.Store(this, null);
break;
} // case ServerProcessing.Async
} // switch (processing)
}
catch(Exception e)
{
processing = ServerProcessing.Complete;
responseMsg = new ReturnMessage(e, (IMethodCallMessage)(requestMsg==null?new ErrorMessage():requestMsg));
responseStream = (MemoryStream)CoreChannel.SerializeBinaryMessage(responseMsg, _includeVersioning);
responseStream.Position = 0;
responseHeaders = new TransportHeaders();
if (_protocol == Protocol.Http)
{
responseHeaders["Content-Type"] = CoreChannel.BinaryMimeType;
}
}
RemotingServices.LogRemotingStage(CoreChannel.SERVER_RET_SEND);
return processing;
} // ProcessMessage
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, out IMessage responseMsg, out ITransportHeaders responseHeaders, out Stream responseStream)
{
if (requestMsg != null)
{
// the message has already been deserialized so delegate to the next sink
return _nextSink.ProcessMessage(
sinkStack,
requestMsg, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
}
// parameters validation
if (sinkStack == null)
throw new ArgumentNullException("sinkStack");
if (requestHeaders == null)
throw new ArgumentNullException("requestHeaders");
if (requestStream == null)
throw new ArgumentNullException("requestStream");
// deserialize request
IMethodCallMessage methodCall = _formatter.DeserializeRequest(requestHeaders, requestStream);
requestStream.Close();
// prepare stack for request processing
sinkStack.Push(this, null);
// process request
ServerProcessing processing;
IMethodReturnMessage methodReturn = null;
try
{
// call next sink to dispatch method call
processing = _nextSink.ProcessMessage(
sinkStack,
methodCall, requestHeaders, null,
out responseMsg, out responseHeaders, out responseStream);
if (processing == ServerProcessing.Complete)
{
// response headers and stream must be null at this point!
if (responseHeaders != null)
throw new NotSupportedException();
if (responseStream != null)
throw new NotSupportedException();
// check response
methodReturn = responseMsg as IMethodReturnMessage;
if (methodReturn == null)
throw new NotSupportedException();
}
}
catch (Exception ex)
{
processing = ServerProcessing.Complete;
methodReturn = new ReturnMessage(ex, methodCall);
responseMsg = methodReturn;
responseHeaders = null;
responseStream = null;
}
// handle response
switch (processing)
{
case ServerProcessing.Complete:
{
// call proceeded synchronously - serialize response
sinkStack.Pop(this);
SerializeResponse(sinkStack, methodReturn, out responseHeaders, out responseStream);
break;
}
case ServerProcessing.OneWay:
{
// no response needed
sinkStack.Pop(this);
break;
}
case ServerProcessing.Async:
{
// call proceeded asynchronously
sinkStack.Store(this, null);
break;
}
default:
throw new NotSupportedException();
}
return processing;
}
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, out IMessage responseMsg, out ITransportHeaders responseHeaders, out Stream responseStream)
{
ServerProcessing complete;
if (requestMsg != null)
{
return this._nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, requestStream, out responseMsg, out responseHeaders, out responseStream);
}
if (requestHeaders == null)
{
throw new ArgumentNullException("requestHeaders");
}
BaseTransportHeaders headers = requestHeaders as BaseTransportHeaders;
responseHeaders = null;
responseStream = null;
string str = null;
string str2 = null;
bool flag = true;
string contentType = null;
if (headers != null)
{
contentType = headers.ContentType;
}
else
{
contentType = requestHeaders["Content-Type"] as string;
}
if (contentType != null)
{
string str4;
HttpChannelHelper.ParseContentType(contentType, out str2, out str4);
}
if ((str2 != null) && (string.Compare(str2, "text/xml", StringComparison.Ordinal) != 0))
{
flag = false;
}
if (this._protocol == Protocol.Http)
{
str = (string) requestHeaders["__RequestVerb"];
if (!str.Equals("POST") && !str.Equals("M-POST"))
{
flag = false;
}
}
if (!flag)
{
if (this._nextSink != null)
{
return this._nextSink.ProcessMessage(sinkStack, null, requestHeaders, requestStream, out responseMsg, out responseHeaders, out responseStream);
}
if (this._protocol != Protocol.Http)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_Channels_InvalidRequestFormat"));
}
responseHeaders = new TransportHeaders();
responseHeaders["__HttpStatusCode"] = "400";
responseHeaders["__HttpReasonPhrase"] = "Bad Request";
responseStream = null;
responseMsg = null;
return ServerProcessing.Complete;
}
bool bClientIsClr = true;
try
{
string str7;
string uRI = null;
if (headers != null)
{
uRI = headers.RequestUri;
}
else
{
uRI = (string) requestHeaders["__RequestUri"];
}
if (RemotingServices.GetServerTypeForUri(uRI) == null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_ChnlSink_UriNotPublished"));
}
if (this._protocol == Protocol.Http)
{
string str6 = (string) requestHeaders["User-Agent"];
if (str6 != null)
{
if (str6.IndexOf("MS .NET Remoting") == -1)
{
bClientIsClr = false;
}
}
else
{
bClientIsClr = false;
}
}
bool data = true;
object obj2 = requestHeaders["__CustomErrorsEnabled"];
if ((obj2 != null) && (obj2 is bool))
{
data = (bool) obj2;
}
CallContext.SetData("__CustomErrorsEnabled", data);
Header[] channelHeaders = this.GetChannelHeaders(requestHeaders, out str7);
PermissionSet set = null;
if (this.TypeFilterLevel != System.Runtime.Serialization.Formatters.TypeFilterLevel.Full)
{
set = new PermissionSet(PermissionState.None);
set.SetPermission(new SecurityPermission(SecurityPermissionFlag.SerializationFormatter));
}
try
{
if (set != null)
{
set.PermitOnly();
}
requestMsg = CoreChannel.DeserializeSoapRequestMessage(requestStream, channelHeaders, this._strictBinding, this.TypeFilterLevel);
}
finally
{
if (set != null)
{
CodeAccessPermission.RevertPermitOnly();
}
}
requestStream.Close();
if (requestMsg == null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DeserializeMessage"));
}
if ((str7 != null) && !SoapServices.IsSoapActionValidForMethodBase(str7, ((IMethodMessage) requestMsg).MethodBase))
{
throw new RemotingException(string.Format(CultureInfo.CurrentCulture, CoreChannel.GetResourceString("Remoting_Soap_InvalidSoapAction"), new object[] { str7 }));
}
sinkStack.Push(this, null);
complete = this._nextSink.ProcessMessage(sinkStack, requestMsg, requestHeaders, null, out responseMsg, out responseHeaders, out responseStream);
if (responseStream != null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_ChnlSink_WantNullResponseStream"));
}
switch (complete)
{
case ServerProcessing.Complete:
if (responseMsg == null)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_DispatchMessage"));
}
break;
case ServerProcessing.OneWay:
sinkStack.Pop(this);
return complete;
case ServerProcessing.Async:
sinkStack.Store(this, null);
return complete;
default:
return complete;
}
sinkStack.Pop(this);
this.SerializeResponse(sinkStack, responseMsg, bClientIsClr, ref responseHeaders, out responseStream);
return complete;
}
catch (Exception exception)
{
complete = ServerProcessing.Complete;
responseMsg = new ReturnMessage(exception, (requestMsg == null) ? ((IMethodCallMessage) new System.Runtime.Remoting.Channels.Http.ErrorMessage()) : ((IMethodCallMessage) requestMsg));
CallContext.SetData("__ClientIsClr", bClientIsClr);
responseStream = (MemoryStream) CoreChannel.SerializeSoapMessage(responseMsg, this._includeVersioning);
CallContext.FreeNamedDataSlot("__ClientIsClr");
responseStream.Position = 0L;
responseHeaders = new TransportHeaders();
if (this._protocol == Protocol.Http)
{
responseHeaders["__HttpStatusCode"] = "500";
responseHeaders["__HttpReasonPhrase"] = "Internal Server Error";
responseHeaders["Content-Type"] = "text/xml; charset=\"utf-8\"";
}
}
finally
{
CallContext.FreeNamedDataSlot("__CustomErrorsEnabled");
}
return complete;
}
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack
, IMessage requestMsg
, ITransportHeaders requestHeaders
, Stream requestStream
, out IMessage responseMsg
, out ITransportHeaders responseHeaders
, out Stream responseStream)
{
if (requestMsg != null)
return this.NextChannelSink.ProcessMessage(sinkStack
, requestMsg
, requestHeaders
, requestStream
, out responseMsg
, out responseHeaders
, out responseStream);
requestMsg = DeserializeRequestMessage(requestHeaders, requestStream);
sinkStack.Push(this, null);
var result = this.NextChannelSink.ProcessMessage(sinkStack
, requestMsg
, requestHeaders
, null
, out responseMsg
, out responseHeaders
, out responseStream);
switch (result)
{
case ServerProcessing.Complete:
sinkStack.Pop(this);
SerializeResponseMessage(sinkStack, responseMsg, ref responseHeaders, ref responseStream);
break;
case ServerProcessing.OneWay:
sinkStack.Pop(this);
break;
case ServerProcessing.Async:
sinkStack.Store(this, null);
break;
}
return result;
}
/// <summary>
/// process a giop request message.
/// </summary>
private ServerProcessing ProcessRequestMessage(IServerChannelSinkStack sinkStack,
ITransportHeaders requestHeaders,
CdrMessageInputStream msgInput,
GiopServerConnection serverCon,
out IMessage responseMsg, out ITransportHeaders responseHeaders,
out Stream responseStream) {
IMessage deserReqMsg = null;
responseHeaders = null;
try {
try {
// deserialise the request
deserReqMsg = m_messageHandler.ParseIncomingRequestMessage(msgInput,
serverCon.ConDesc);
} finally {
//request deserialised -> safe to read next request while processing request in servant
// (or sending request deserialisation exception)
try {
serverCon.NotifyDeserialiseRequestComplete();
} catch (Exception ne) {
// unexpected exception. Abort message processing, problem with transport.
throw new NotifyReadRequestException("Problem while trying to inform transport about request deserialistion.",
ne);
}
}
// processing may be done asynchronous, therefore push this sink on the stack to process a response async
AsyncServerProcessingData asyncData =
new AsyncServerProcessingData(deserReqMsg, serverCon);
sinkStack.Push(this, asyncData);
ServerProcessing processingResult;
try {
// forward the call to the next message handling sink
processingResult = m_nextSink.ProcessMessage(sinkStack, deserReqMsg,
requestHeaders, null, out responseMsg,
out responseHeaders, out responseStream);
} catch (Exception) {
sinkStack.Pop(this);
throw;
}
switch (processingResult) {
case ServerProcessing.Complete:
sinkStack.Pop(this); // not async
// send the response
SerialiseResponse(sinkStack, deserReqMsg, serverCon, responseMsg,
ref responseHeaders, out responseStream);
break;
case ServerProcessing.Async:
sinkStack.Store(this, asyncData); // this sink want's to process async response
break;
case ServerProcessing.OneWay:
// nothing to do, because no response expected
sinkStack.Pop(this);
break;
}
return processingResult;
} catch (MessageHandling.RequestDeserializationException deserEx) {
// exception from DeserialisRequest
responseMsg = deserEx.ResponseMessage;
// an exception was thrown during deserialization
SerialiseExceptionResponse(sinkStack,
deserEx.RequestMessage, serverCon, responseMsg,
ref responseHeaders, out responseStream);
return ServerProcessing.Complete;
} catch (NotifyReadRequestException nrre) {
Trace.WriteLine("Failed to inform transport about request deserialisation. Processing problem on server connection after unexpected exception: " + nrre.InnerException);
throw nrre;
} catch (Exception e) {
// serialise an exception response
if (deserReqMsg != null) {
if (deserReqMsg is IMethodCallMessage) {
responseMsg = new ReturnMessage(e, (IMethodCallMessage) deserReqMsg);
} else {
responseMsg = new ReturnMessage(e, null); // no usable information present
}
SerialiseExceptionResponse(sinkStack,
deserReqMsg, serverCon, responseMsg,
ref responseHeaders, out responseStream);
} else {
throw e;
}
return ServerProcessing.Complete; // send back an error msg
}
}
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, out IMessage responseMsg, out ITransportHeaders responseHeaders, out Stream responseStream)
{
bool clientCompressed = false;
// decompress the shits
Stream decompressedStream;
if (object.Equals(requestHeaders[CompressionHelper.CompressKey], CompressionHelper.CompressedFlag)) {
//Debug.WriteLine("client compressed");
clientCompressed = true;
decompressedStream = CompressionHelper.DecompressStream(requestStream);
// close the request stream
requestStream.Close();
}
else {
if (object.Equals(requestHeaders[CompressionHelper.CompressKey], CompressionHelper.CompressRequest)) {
//Debug.WriteLine("client requesting compress");
clientCompressed = true;
}
decompressedStream = requestStream;
}
sinkStack.Push(this, new ClientState(clientCompressed));
// send the decompressed message on through the sink chain
ServerProcessing processingResult = _next.ProcessMessage(sinkStack, requestMsg, requestHeaders, decompressedStream, out responseMsg, out responseHeaders, out responseStream);
// get the compressed stream
if (clientCompressed && processingResult == ServerProcessing.Complete) {
Stream compressedStream = CompressionHelper.CompressStream(responseStream);
responseStream.Close();
responseStream = compressedStream;
responseHeaders[CompressionHelper.CompressKey] = CompressionHelper.CompressedFlag;
}
// Take us off the stack and return the result.
if (processingResult == ServerProcessing.Async) {
sinkStack.Store(this, new ClientState(clientCompressed));
}
else {
sinkStack.Pop(this);
}
return processingResult;
}
