} // ReadHeaders
public Stream GetRequestStream(IMessage msg, int contentLength,
ITransportHeaders headers)
{
IMethodCallMessage mcm = (IMethodCallMessage)msg;
String uri = mcm.Uri;
_bOneWayRequest = RemotingServices.IsOneWay(mcm.MethodBase);
ChunkedMemoryStream headerStream = new ChunkedMemoryStream(CoreChannel.BufferPool);
// output preamble and version
WritePreambleAndVersion(headerStream);
// output opcode
if (!_bOneWayRequest)
WriteUInt16(TcpOperations.Request, headerStream);
else
WriteUInt16(TcpOperations.OneWayRequest, headerStream);
// output content delimiter style
WriteUInt16(TcpContentDelimiter.ContentLength, headerStream);
WriteInt32(contentLength, headerStream);
// output request uri
WriteUInt16(TcpHeaders.RequestUri, headerStream);
WriteByte(TcpHeaderFormat.CountedString, headerStream);
WriteCountedString(uri, headerStream);
// output rest of headers
WriteHeaders(headers, headerStream);
headerStream.WriteTo(NetStream);
headerStream.Close();
_requestStream = NetStream;
return _requestStream;
} // GetRequestStream
} // SendResponse
public void SendErrorResponse(Exception e, bool bCloseConnection)
{
// bail out if the original request was OneWay (means the client doesn't even
// want or expect to receive responses or error messages)
if (_bOneWayRequest)
return;
// build up headers and send
ChunkedMemoryStream headerStream = new ChunkedMemoryStream(CoreChannel.BufferPool);
// output preamble and version
WritePreambleAndVersion(headerStream);
// output opcode
WriteUInt16(TcpOperations.Reply, headerStream);
// output content length delimiter (0-length stream)
WriteUInt16(TcpContentDelimiter.ContentLength, headerStream);
WriteInt32(0, headerStream);
// output status code and reason
WriteUInt16(TcpHeaders.StatusCode, headerStream);
WriteByte(TcpHeaderFormat.UInt16, headerStream);
WriteUInt16(TcpStatusCode.GenericError, headerStream);
// we purposely don't include the stack trace to avoid giving
// out too much information for security purposes.
WriteUInt16(TcpHeaders.StatusPhrase, headerStream);
WriteByte(TcpHeaderFormat.CountedString, headerStream);
WriteCountedString(e.Message, headerStream);
// indicate that we are about to close the connection
WriteUInt16(TcpHeaders.CloseConnection, headerStream);
WriteByte(TcpHeaderFormat.Void, headerStream);
// end of headers
WriteUInt16(TcpHeaders.EndOfHeaders, headerStream);
headerStream.WriteTo(NetStream);
headerStream.Close();
} // SendErrorResponse
internal void SendRequest(IMessage msg, ITransportHeaders headers, Stream contentStream)
{
// Request is written just like a response
// we can reuse the same code
IMethodCallMessage mcm = (IMethodCallMessage)msg;
int contentLength = (int)contentStream.Length;
String uri = mcm.Uri;
_bOneWayRequest = RemotingServices.IsOneWay(mcm.MethodBase);
ChunkedMemoryStream headerStream = new ChunkedMemoryStream(CoreChannel.BufferPool);
// output preamble and version
WritePreambleAndVersion(headerStream);
// output opcode
if (!_bOneWayRequest)
WriteUInt16(TcpOperations.Request, headerStream);
else
WriteUInt16(TcpOperations.OneWayRequest, headerStream);
// output content delimiter style
WriteUInt16(TcpContentDelimiter.ContentLength, headerStream);
WriteInt32(contentLength, headerStream);
// output request uri
WriteUInt16(TcpHeaders.RequestUri, headerStream);
WriteByte(TcpHeaderFormat.CountedString, headerStream);
WriteCountedString(uri, headerStream);
// output rest of headers
WriteHeaders(headers, headerStream);
headerStream.WriteTo(NetStream);
headerStream.Close();
StreamHelper.CopyStream(contentStream, NetStream);
contentStream.Close();
}
} // GetRequestStream
public void SendResponse(ITransportHeaders headers, Stream contentStream)
{
// bail out if the original request was OneWay (means the client doesn't even
// want or expect to receive responses or error messages)
if (_bOneWayRequest)
return;
// build up headers and send
ChunkedMemoryStream headerStream = new ChunkedMemoryStream(CoreChannel.BufferPool);
// output preamble and version
WritePreambleAndVersion(headerStream);
// output opcode
WriteUInt16(TcpOperations.Reply, headerStream);
// output content length delimiter
WriteUInt16(TcpContentDelimiter.ContentLength, headerStream);
WriteInt32((int)contentStream.Length, headerStream);
// No status code header is needed because if we're in this code path
// the data transfer succeeded as far as the transport protocol is
// concerned (and the success status code is optional).
WriteHeaders(headers, headerStream);
headerStream.WriteTo(NetStream);
headerStream.Close();
StreamHelper.CopyStream(contentStream, NetStream);
contentStream.Close();
} // SendResponse
