internal void InternalProcessMessage(ClientConnection connection, Stream stream)
{
// Reads the headers and the request stream
Stream requestStream;
ITransportHeaders requestHeaders;
requestStream = TcpMessageIO.ReceiveMessageStream(stream, out requestHeaders, connection.Buffer);
requestHeaders [CommonTransportKeys.IPAddress] = connection.ClientAddress;
requestHeaders [CommonTransportKeys.ConnectionId] = connection.Id;
string uri = (string)requestHeaders [CommonTransportKeys.RequestUri];
TcpChannel.ParseChannelUrl(uri, out uri);
if (uri != null)
{
requestHeaders [CommonTransportKeys.RequestUri] = uri;
}
// Pushes the connection object together with the sink. This information
// will be used for sending the response in an async call.
ServerChannelSinkStack sinkStack = new ServerChannelSinkStack();
sinkStack.Push(this, connection);
ITransportHeaders responseHeaders;
Stream responseStream;
IMessage responseMsg;
ServerProcessing proc = next_sink.ProcessMessage(sinkStack, null, requestHeaders, requestStream, out responseMsg, out responseHeaders, out responseStream);
switch (proc)
{
case ServerProcessing.Complete:
TcpMessageIO.SendMessageStream(stream, responseStream, responseHeaders, connection.Buffer);
stream.Flush();
break;
case ServerProcessing.Async:
case ServerProcessing.OneWay:
break;
}
}
private void ReadAsyncTcpMessage(object data)
{
// This method is called by a new thread to asynchronously
// read the response to a request
// The stack was provided as state data in QueueUserWorkItem
IClientChannelSinkStack stack = (IClientChannelSinkStack)data;
// The first sink in the stack is this sink. Pop it and
// get the status data, which is the TcpConnection used to send
// the request
TcpConnection connection = (TcpConnection)stack.Pop(this);
try
{
ITransportHeaders responseHeaders;
// Read the response, blocking if necessary
MessageStatus status = TcpMessageIO.ReceiveMessageStatus(connection.Stream, connection.Buffer);
if (status != MessageStatus.MethodMessage)
{
throw new RemotingException("Unknown response message from server");
}
Stream responseStream = TcpMessageIO.ReceiveMessageStream(connection.Stream, out responseHeaders, connection.Buffer);
// Free the connection, so it can be reused
connection.Release();
connection = null;
// Ok, proceed with the other sinks
stack.AsyncProcessResponse(responseHeaders, responseStream);
}
catch
{
if (connection != null)
{
connection.Release();
}
throw;
}
}
public void ProcessMessage(IMessage msg,
ITransportHeaders requestHeaders,
Stream requestStream,
out ITransportHeaders responseHeaders,
out Stream responseStream)
{
TcpConnection connection = null;
try
{
if (requestHeaders == null)
{
requestHeaders = new TransportHeaders();
}
requestHeaders [CommonTransportKeys.RequestUri] = ((IMethodMessage)msg).Uri;
// Sends the message
connection = TcpConnectionPool.GetConnection(_host, _port);
TcpMessageIO.SendMessageStream(connection.Stream, requestStream, requestHeaders, connection.Buffer);
connection.Stream.Flush();
// Reads the response
MessageStatus status = TcpMessageIO.ReceiveMessageStatus(connection.Stream, connection.Buffer);
if (status != MessageStatus.MethodMessage)
{
throw new RemotingException("Unknown response message from server");
}
responseStream = TcpMessageIO.ReceiveMessageStream(connection.Stream, out responseHeaders, connection.Buffer);
}
finally
{
if (connection != null)
{
connection.Release();
}
}
}
