private Task EndResponse()
{
if (!HasStarted)
{
WriteBeginResponseHeaders();
}
if (_autoChunk)
{
WriteEndResponse();
return(_outputFormatter.FlushAsync());
}
return(Task.CompletedTask);
}
public Task HandleAsync(Line message)
{
// Echo back to the caller
_formatter.Append(message.Data);
return(_formatter.FlushAsync());
}
public async Task ProcessAllRequests()
{
Reset();
while (true)
{
var buffer = await _input.ReadAsync();
try
{
if (buffer.IsEmpty && _input.Reading.IsCompleted)
{
// We're done with this connection
return;
}
Console.WriteLine($"Read: {buffer.Length} bytes");
Console.WriteLine(BitConverter.ToString(buffer.ToArray()));
Console.WriteLine(buffer.GetAsciiString());
var result = _parser.ParseRequest(ref buffer);
Console.WriteLine($"Result: {result}");
switch (result)
{
case HttpRequestParser.ParseResult.Incomplete:
if (_input.Reading.IsCompleted)
{
// Didn't get the whole request and the connection ended
throw new EndOfStreamException();
}
// Need more data
continue;
case HttpRequestParser.ParseResult.Complete:
// Done
break;
case HttpRequestParser.ParseResult.BadRequest:
// TODO: Don't throw here;
throw new Exception();
default:
break;
}
}
catch (Exception)
{
StatusCode = 400;
await EndResponse();
return;
}
finally
{
_input.Advance(buffer.Start, buffer.End);
}
var context = _application.CreateContext(this);
try
{
if (!_isHttp2 && RequestHeaders.ContainsKey("Upgrade") && TryUpgradeToHttp2())
{
_outputFormatter.Write(_http2SwitchBytes);
_isHttp2 = true;
/*
The first HTTP/2 frame sent by the server MUST be a server connection
preface (Section 3.5) consisting of a SETTINGS frame (Section 6.5).
*/
_outputFormatter.Write(_emptySettingsFrame);
await _outputFormatter.FlushAsync();
}
await _application.ProcessRequestAsync(context);
}
catch (Exception ex)
{
StatusCode = 500;
_application.DisposeContext(context, ex);
}
finally
{
await EndResponse();
}
if (!KeepAlive)
{
break;
}
Reset();
}
}
