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Add stream public API

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The intention of this stream API is give server application about
stream dependency information, so that it can utilize it for better
scheduling of stream processing.  We have no plan to add object
oriented API based on stream object.
This commit is contained in:
Tatsuhiro Tsujikawa
2015-08-18 22:41:50 +09:00
parent 836b1de0d5
commit 059280d1a5
8 changed files with 474 additions and 8 deletions
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58
lib/nghttp2_stream.c
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@@ -856,3 +856,61 @@ nghttp2_stream_next_outbound_item(nghttp2_stream *stream) {
stream = nghttp2_struct_of(ent, nghttp2_stream, pq_entry);
}
}
nghttp2_stream_proto_state nghttp2_stream_get_state(nghttp2_stream *stream) {
if (stream->flags & NGHTTP2_STREAM_FLAG_CLOSED) {
return NGHTTP2_STREAM_STATE_CLOSED;
}
if (stream->flags & NGHTTP2_STREAM_FLAG_PUSH) {
if (stream->shut_flags & NGHTTP2_SHUT_RD) {
return NGHTTP2_STREAM_STATE_RESERVED_LOCAL;
}
if (stream->shut_flags & NGHTTP2_SHUT_WR) {
return NGHTTP2_STREAM_STATE_RESERVED_REMOTE;
}
}
if (stream->shut_flags & NGHTTP2_SHUT_RD) {
return NGHTTP2_STREAM_STATE_HALF_CLOSED_REMOTE;
}
if (stream->shut_flags & NGHTTP2_SHUT_WR) {
return NGHTTP2_STREAM_STATE_HALF_CLOSED_LOCAL;
}
if (stream->state == NGHTTP2_STREAM_IDLE) {
return NGHTTP2_STREAM_STATE_IDLE;
}
return NGHTTP2_STREAM_STATE_OPEN;
}
nghttp2_stream *nghttp2_stream_get_parent(nghttp2_stream *stream) {
return stream->dep_prev;
}
nghttp2_stream *nghttp2_stream_get_next_sibling(nghttp2_stream *stream) {
return stream->sib_next;
}
nghttp2_stream *nghttp2_stream_get_previous_sibling(nghttp2_stream *stream) {
return stream->sib_prev;
}
nghttp2_stream *nghttp2_stream_get_first_child(nghttp2_stream *stream) {
return stream->dep_next;
}
int32_t nghttp2_stream_get_weight(nghttp2_stream *stream) {
return stream->weight;
}
int32_t nghttp2_stream_get_sum_dependency_weight(nghttp2_stream *stream) {
return stream->sum_dep_weight;
}
int32_t nghttp2_stream_get_stream_id(nghttp2_stream *stream) {
return stream->stream_id;
}