void ev_writedone()
{
if (_state == _State.Failure) {
Dispose();
} else if (_state == _State.Send100Continue) {
ev_requestbodyready();
_HandleCurrentState();
} else if (_state == _State.SendResponseBody) {
_state = _State.ResponseBodyUserWait;
var cb = _responsebody_user_cb;
var buf = _responsebody_buffer;
_server._DispatchCallback(() => cb(buf));
} else if (_state == _State.SendResponseBodyLast) {
// clear out all state
_tx = null;
_readoff = 0;
_readcount = 0;
_readbuf = new byte[4096];
_readoff = 0;
_readcount = 0;
_headerstate = _HeaderState.FirstLine;
_linems = new MemoryStream();
_firstline = null;
_headerlines = new List<string>();
_writeoff = 0;
_writecount = 0;
_writebytes = null;
_requestbody_left = 0;
_requestbody_full = null;
_requestbody_multipart = null;
_requestbody_streaming_started = false;
_requestbody_buffer = null;
_requestbody_user_cb = null;
_responsebody_streaming_started = false;
_responsebody_buffer = null;
_responsebody_user_cb = null;
_responsebody_done_cb = null;
_responsebody_left = -1;
_state = _State.RequestHeaders;
if (_isconnectionclose || _ishttp10) {
Dispose();
} else {
_HandleCurrentState();
}
} else if (_state == _State.SendResponseHeaders) {
_state = _State.ResponseBodyUserWait;
_server._DispatchCallback(() => _responsebody_user_cb(_responsebody_buffer));
} else {
throw new InvalidOperationException();
}
}
void ev_requestbodyready()
{
//
// There are four strategies for handling the request body
//
// (1) Content-Length is 0: Nothing to do
//
// (2) Content-Length > 0 + Content-Type is application/x-www-form-urlencoded: Read it now.
//
// (3) Content-Length > 0 + Content-Type is application/x-www-urlencoded: Read it now.
//
// (4) Content-Length > 0 + Content-Type is something else: Let the user stream the request body.
//
// (5) Transfer-Encoding is chunked: Fail with NotImplemented (for now--may support this in future)
//
_server.ev_debug("request body ready");
if (_tx.Request.Headers.IsChunkedEncoding) {
_Fail(HttpStatusCode.NotImplemented); // case (4) -- fail
return;
}
var contentlength = _tx.Request.Headers.ContentLength ?? 0;
if (contentlength == 0) {
_state = _State.ResponseHeadersUserWait;
_server.ev_debug(" ==> case 1 (nothing to do)");
ev_requestready(); // case (1) -- nothing to do
} else {
if (_tx.Request.Method == HttpMethod.Post &&
_tx.Request.Headers.ContentType != null &&
_tx.Request.Headers.ContentType.Contains("multipart/form-data")) {
_server.ev_debug(" ==> case 1 (multipart)");
var boundary = _ParseBoundary(_tx.Request.Headers.ContentType);
_requestbody_multipart = new HttpMultiPartFormDataHandler(boundary, _tx.Request.Headers.ContentEncoding);
_requestbody_left = contentlength;
_state = _State.RequestBodyMultiPart; // case (2) -- read request body now
} else if (_tx.Request.Method == HttpMethod.Post &&
_tx.Request.Headers.ContentType != null &&
_tx.Request.Headers.ContentType.Contains("application/x-www-form-urlencoded")) {
_server.ev_debug(" ==> case 1 (urlencoded)");
_requestbody_full = new MemoryStream();
_requestbody_left = contentlength;
_state = _State.RequestBodyFull; // case (2) -- read request body now
} else {
_server.ev_debug(" ==> case 1 (userstream)");
_state = _State.RequestBodyUserWait; // case (3) -- let user stream request body
_requestbody_left = contentlength;
_requestbody_streaming_started = false;
_tx.Request.SetStreamingRequestBody(true);
ev_requestready();
}
}
}
