/// <summary>
/// Process message
/// </summary>
/// <param name="context"></param>
/// <param name="message"></param>
/// <remarks>
/// Should always call either <see cref="IPipelineHandlerContext.SendDownstream"/> or <see cref="IPipelineHandlerContext.SendUpstream"/>
/// unless the handler really wants to stop the processing.
/// </remarks>
public void HandleDownstream(IPipelineHandlerContext context, IPipelineMessage message)
{
var msg = message as SendResponse;
if (msg == null)
{
context.SendDownstream(message);
return;
}
var buffer = _bufferPool.PopSlice();
var stream = new BufferPoolStream(_bufferPool, buffer);
_encoder.Encode(msg.Response, stream);
stream.Position = 0;
// send header
var header = new byte[6];
header[0] = 1;
header[1] = _mapper.GetContentId(msg.Response);
var lengthBuffer = BitConverter.GetBytes(buffer.Count);
Buffer.BlockCopy(lengthBuffer, 0, header, 2, lengthBuffer.Length);
context.SendDownstream(new SendBuffer(header, 0, 6));
// send body
context.SendDownstream(new SendStream(stream));
}
/// <summary>
/// Send all headers to the client
/// </summary>
/// <param name="response">Response containing call headers.</param>
public Stream SerializeHeaders(IResponse response)
{
var stream = new BufferPoolStream(_pool, _pool.PopSlice());
var writer = new StreamWriter(stream);
writer.WriteLine("{0} {1} {2}", response.ProtocolVersion, (int)response.StatusCode, response.StatusDescription);
var contentType = response.ContentType ?? "text/html";
if (response.ContentEncoding != null)
contentType += ";charset=" + response.ContentEncoding.WebName;
// go through all property headers.
writer.WriteLine("Content-Type: {0}", contentType);
writer.WriteLine("Content-Length: {0}", response.ContentLength);
//writer.WriteLine(response.KeepAlive ? "Connection: Keep-Alive" : "Connection: Close");
if (response.Cookies != null && response.Cookies.Count > 0)
{
SerializeCookies(response, writer);
}
foreach (var header in response.Headers)
writer.WriteLine("{0}: {1}", header.Name, header.Value);
writer.WriteLine();
writer.Flush();
return stream;
}
public void PartialBuffeR()
{
var buffer = new byte[512];
var stream = new BufferPoolStream(new BufferSlice(buffer, 256, 256, 0));
}
private void HandleHeader(IPipelineHandlerContext context, IPipelineMessage message, ReceivedHeader headerMsg)
{
_packetType = _mapper.GetPacketType(_header.ContentId);
if (_packetType == null)
{
// not supported, let the rest of the pipeline
// handle the packet.
context.SendUpstream(message);
}
else
{
_header = headerMsg.Header;
var buffer = _bufferPool.PopSlice();
if (_header.ContentLength > buffer.Capacity)
throw new InvalidOperationException(
string.Format(
"Buffer ({0} bytes) is less than the packet content ({1} bytes). Sorry, that's not possible in the current version.",
buffer.Capacity, _header.ContentLength));
_bytesLeft = _header.ContentLength;
_stream = new BufferPoolStream(_bufferPool, buffer);
}
}
private void Clear()
{
_stream.Dispose();
_stream = null;
_packetType = null;
_header = null;
}
