public void basic_response()
{
var frame = new HttpResponse(404, "Failed to find it dude", "HTTP/1.1");
var expected = "HTTP/1.1 404 Failed to find it dude\r\n";
var buffer = new SocketBufferFake();
var encoder = new HttpMessageEncoder();
encoder.Prepare(frame);
encoder.Send(buffer);
var actual = Encoding.ASCII.GetString(buffer.Buffer, 0, buffer.Count);
actual.Substring(0, expected.Length).Should().Be(expected);
}
public void request_in_its_simplest_form()
{
var frame = new HttpRequest("POST", "/", "HTTP/1.1");
var expected = "POST / HTTP/1.1\r\nContent-Length: 0\r\n\r\n";
var buffer = new SocketBufferFake();
var encoder = new HttpMessageEncoder();
encoder.Prepare(frame);
encoder.Send(buffer);
var actual = Encoding.ASCII.GetString(buffer.Buffer, 0, buffer.Count);
actual.Should().Be(expected);
}
public void response_with_body()
{
var frame = new HttpResponse(HttpStatusCode.NotFound, "Failed to find it dude", "HTTP/1.1");
frame.AddHeader("X-Requested-With", "XHttpRequest");
frame.ContentType = "text/plain";
frame.Body = new MemoryStream(Encoding.ASCII.GetBytes("hello queue a"));
var expected = string.Format("HTTP/1.1 404 Failed to find it dude\r\nServer: griffinframework.net\r\nDate: {0}\r\nContent-Type: text/plain\r\nX-Requested-With: XHttpRequest\r\nContent-Length: 13\r\n\r\nhello queue a",
DateTime.UtcNow.ToString("R"));
var buffer = new SocketBufferFake();
var encoder = new HttpMessageEncoder();
encoder.Prepare(frame);
encoder.Send(buffer);
var actual = Encoding.ASCII.GetString(buffer.Buffer, 0, buffer.Count);
actual.Should().Be(expected);
}
public void request_with_body()
{
var frame = new HttpRequest("POST", "/?abc", "HTTP/1.1");
frame.AddHeader("server", "Griffin.Networking");
frame.AddHeader("X-Requested-With", "XHttpRequest");
frame.ContentType = "text/plain";
frame.Body = new MemoryStream(Encoding.ASCII.GetBytes("hello queue a"));
var expected = "POST /?abc HTTP/1.1\r\nserver: Griffin.Networking\r\nX-Requested-With: XHttpRequest\r\nContent-Type: text/plain\r\nContent-Length: 13\r\n\r\nhello queue a";
var buffer = new SocketBufferFake();
var encoder = new HttpMessageEncoder();
encoder.Prepare(frame);
encoder.Send(buffer);
var actual = Encoding.ASCII.GetString(buffer.Buffer, 0, buffer.Count);
actual.Should().Be(expected);
}
/// <summary>
/// Buffer structure used for socket send operations.
/// </summary>
/// <param name="buffer">
/// Do note that there are not buffer attached to the structure, you have to assign one yourself using
/// <see cref="ISocketBuffer.SetBuffer(int,int)" />. This choice was made
/// to prevent unnecessary copy operations.
/// </param>
public void Send(ISocketBuffer buffer)
{
if (_message == null)
{
_httpMessageEncoder.Send(buffer);
}
else
{
// last send operation did not send all bytes enqueued in the buffer
// so let's just continue until doing next message
if (_bytesToSend > 0)
{
buffer.SetBuffer(_buffer, _offset, _bytesToSend);
return;
}
var offset = (int)_message.Payload.Position;
var length = (int)_message.Payload.Length;
var frameLength = length - offset;
var fin = WebSocketFin.Final;
if (frameLength > WebSocketFrame.FragmentLength)
{
frameLength = WebSocketFrame.FragmentLength;
fin = WebSocketFin.More;
}
var opcode = WebSocketOpcode.Continuation;
if (offset == 0) // first frame
{
opcode = _message.Opcode;
}
var buff = new byte[frameLength];
_message.Payload.Read(buff, 0, buff.Length);
var payload = new MemoryStream(buff);
WebSocketFrame frame = new WebSocketFrame(fin, opcode, (_handshake is IHttpRequest) ? WebSocketMask.Mask : WebSocketMask.Unmask, payload);
using (var stream = new MemoryStream())
{
var header = (int)frame.Fin;
header = (header << 1) + (int)frame.Rsv1;
header = (header << 1) + (int)frame.Rsv2;
header = (header << 1) + (int)frame.Rsv3;
header = (header << 4) + (int)frame.Opcode;
header = (header << 1) + (int)frame.Mask;
header = (header << 7) + (int)frame.PayloadLength;
stream.Write(WebSocketUtils.GetBigEndianBytes((ushort)header), 0, 2);
if (frame.PayloadLength > 125)
{
stream.Write(frame.ExtPayloadLength, 0, frame.ExtPayloadLength.Length);
}
if (frame.Mask == WebSocketMask.Mask)
{
stream.Write(frame.MaskingKey, 0, frame.MaskingKey.Length);
frame.Unmask();
}
_totalAmountToSend += (int)stream.Length;
if (frame.PayloadLength > 0)
{
frame.Payload.CopyTo(stream);
}
buffer.UserToken = _message;
_buffer = stream.ToArray();
_bytesToSend = _buffer.Length;
buffer.SetBuffer(_buffer, 0, _bytesToSend);
}
}
}
