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Don't send DATA frame if RST_STREAM was queued for this stream.

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This commit is contained in:
Tatsuhiro Tsujikawa 2012-02-15 01:07:51 +09:00
parent fd06d21638
commit f71572b835
1 changed files with 13 additions and 3 deletions
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16
lib/spdylay_session.c
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@ -437,7 +437,16 @@ static int spdylay_session_is_data_allowed(spdylay_session *session,
return 0;
}
if(spdylay_session_is_my_stream_id(session, stream_id)) {
return (stream->shut_flags & SPDYLAY_SHUT_WR) == 0;
/* If stream->state is SPDYLAY_STREAM_CLOSING, RST_STREAM was
queued but not yet sent. In this case, we won't send DATA
frames. This is because in the current architecture, DATA and
RST_STREAM in the same stream have same priority and DATA is
small seq number. So RST_STREAM will not be sent until all DATA
frames are sent. This is not desirable situation; we want to
close stream as soon as possible. To achieve this, we remove
DATA frame before RST_STREAM. */
return stream->state != SPDYLAY_STREAM_CLOSING &&
(stream->shut_flags & SPDYLAY_SHUT_WR) == 0;
} else {
return stream->state == SPDYLAY_STREAM_OPENED &&
(stream->shut_flags & SPDYLAY_SHUT_WR) == 0;
@ -756,9 +765,10 @@ static int spdylay_session_after_frame_sent(spdylay_session *session)
};
if(type == SPDYLAY_DATA) {
int r;
/* If session is canceled by RST_STREAM, we won't send further data. */
/* If session is closed or RST_STREAM was queued, we won't send
further data. */
if((frame->data.flags & SPDYLAY_FLAG_FIN) ||
spdylay_session_get_stream(session, frame->data.stream_id) == NULL) {
!spdylay_session_is_data_allowed(session, frame->data.stream_id)) {
spdylay_active_outbound_item_reset(&session->aob);
} else {
spdylay_outbound_item* item = spdylay_session_get_next_ob_item(session);