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Simplify HEADERS handling; handle push response in one function

This commit is contained in:
Tatsuhiro Tsujikawa 2015-12-20 23:47:16 +09:00
parent e957147249
commit cb73ba948d
1 changed files with 13 additions and 19 deletions
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32
lib/nghttp2_session.c
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@ -3534,6 +3534,12 @@ int nghttp2_session_on_push_response_headers_received(nghttp2_session *session,
"push response HEADERS: stream_id == 0");
}
if (session->server) {
return session_inflate_handle_invalid_connection(
session, frame, NGHTTP2_ERR_PROTO,
"HEADERS: no HEADERS allowed from client in reserved state");
}
if (session_is_incoming_concurrent_streams_max(session)) {
return session_inflate_handle_invalid_connection(
session, frame, NGHTTP2_ERR_PROTO,
@ -3570,14 +3576,6 @@ int nghttp2_session_on_headers_received(nghttp2_session *session,
return session_inflate_handle_invalid_connection(
session, frame, NGHTTP2_ERR_PROTO, "HEADERS: stream_id == 0");
}
if (stream->state == NGHTTP2_STREAM_RESERVED) {
/* reserved. The valid push response HEADERS is processed by
nghttp2_session_on_push_response_headers_received(). This
generic HEADERS is called invalid cases for HEADERS against
reserved state. */
return session_inflate_handle_invalid_connection(
session, frame, NGHTTP2_ERR_PROTO, "HEADERS: stream in reserved");
}
if ((stream->shut_flags & NGHTTP2_SHUT_RD)) {
/* half closed (remote): from the spec:
@ -3634,22 +3632,18 @@ static int session_process_headers_frame(nghttp2_session *session) {
return nghttp2_session_on_request_headers_received(session, frame);
}
if (nghttp2_session_is_my_stream_id(session, frame->hd.stream_id)) {
if (stream->state == NGHTTP2_STREAM_OPENING) {
frame->headers.cat = NGHTTP2_HCAT_RESPONSE;
return nghttp2_session_on_response_headers_received(session, frame,
stream);
}
/* This handles the case when server received HEADERS for stream
in reserved stream from client. That is protocol error. */
frame->headers.cat = NGHTTP2_HCAT_HEADERS;
return nghttp2_session_on_headers_received(session, frame, stream);
}
if (stream->state == NGHTTP2_STREAM_RESERVED) {
frame->headers.cat = NGHTTP2_HCAT_PUSH_RESPONSE;
return nghttp2_session_on_push_response_headers_received(session, frame,
stream);
}
if (stream->state == NGHTTP2_STREAM_OPENING &&
nghttp2_session_is_my_stream_id(session, frame->hd.stream_id)) {
frame->headers.cat = NGHTTP2_HCAT_RESPONSE;
return nghttp2_session_on_response_headers_received(session, frame, stream);
}
frame->headers.cat = NGHTTP2_HCAT_HEADERS;
return nghttp2_session_on_headers_received(session, frame, stream);
}