/// <summary> /// Send <see cref="ProcessingContext.RequestHeader" /> to server, /// copy rest of the <see cref="ProcessingContext.ClientStream" /> to <see cref="ProcessingContext.ServerStream" /> /// and read <see cref="ProcessingContext.ResponseHeader" /> from <see cref="ProcessingContext.ServerStream" />. /// Expects <see cref="ProcessingContext.ServerStream" />, <see cref="ProcessingContext.RequestHeader" /> and /// <see cref="ProcessingContext.ClientStream" /> to be defined. /// </summary> /// <param name="context">current request context</param> protected virtual void ReceiveResponse(ProcessingContext context) { Contract.Requires<ArgumentNullException>(context != null, "context"); Contract.Requires<InvalidContextException>(context.ServerStream != null, "ServerStream"); Contract.Requires<InvalidContextException>(context.RequestHeader != null, "RequestHeader"); Contract.Requires<InvalidContextException>(context.ClientStream != null, "ClientStream"); Contract.Requires<InvalidContextException>(context.ClientSocket != null, "ClientSocket"); var requestWriter = new HttpMessageWriter(context.ServerStream); var responseReader = new HttpHeaderReader(new PlainStreamReader(context.ServerStream)); try { requestWriter.Write(context.RequestHeader, context.ClientStream, context.ClientSocket.Available); context.ResponseHeader = new HttpResponseHeader(responseReader.ReadHttpMessageHeader()); if (Logger.IsDebugEnabled) { Logger.DebugFormat("Response Received: {0}", TraceUtils.GetHttpTrace(context.ResponseHeader)); } } catch (IOException ex) { var responseWriter = new HttpResponseWriter(context.ClientStream); if (ex.IsSocketException(SocketError.TimedOut)) { Logger.WarnFormat("Request to remote server has timed out. {0}", TraceUtils.GetHttpTrace(context.RequestHeader)); responseWriter.WriteGatewayTimeout(); } else { throw; } context.StopProcessing(); } }
/// <summary> /// Read <see cref="ProcessingContext.RequestHeader" /> from <see cref="ProcessingContext.ClientStream" />. /// <see cref="ProcessingContext.ClientStream" /> should be defined at this point. /// </summary> /// <param name="context">current request context</param> protected virtual void ReceiveRequest(ProcessingContext context) { Contract.Requires<ArgumentNullException>(context != null, "context"); Contract.Requires<InvalidContextException>(context.ClientStream != null, "ClientStream"); var headerReader = new HttpHeaderReader(new PlainStreamReader(context.ClientStream)); try { context.RequestHeader = new HttpRequestHeader(headerReader.ReadHttpMessageHeader()); if (Logger.IsDebugEnabled) { Logger.DebugFormat("Request Received. {0}", TraceUtils.GetHttpTrace(context.RequestHeader)); } } catch (IOException ex) { if (ex.IsSocketException(SocketError.OperationAborted, SocketError.ConnectionReset)) { Logger.WarnFormat("Request was terminated by client. {0}", TraceUtils.GetHttpTrace(context.RequestHeader)); } else if (ex is EndOfStreamException) { Logger.ErrorFormat("Failed to read request. {0}", TraceUtils.GetHttpTrace(context.RequestHeader)); } else if(ex.IsSocketException(SocketError.TimedOut)) { Logger.WarnFormat("Client request time out. {0}", TraceUtils.GetHttpTrace(context.RequestHeader)); } else { throw; } context.StopProcessing(); } }