Share stream_group weight among streams marked as top
This commit is contained in:
Tatsuhiro Tsujikawa
parent
f011bda377
commit
b85e2ab7f7
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@ -686,7 +686,7 @@ int nghttp2_session_add_frame(nghttp2_session *session,
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stream = nghttp2_session_get_stream(session, data_frame->hd.stream_id);
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if(stream) {
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item->weight = stream->stream_group->weight;
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item->weight = nghttp2_stream_group_shared_wait(stream->stream_group);
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rv = nghttp2_stream_attach_data(stream, item, &session->ob_pq);
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}
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@ -2087,7 +2087,8 @@ static int nghttp2_session_after_frame_sent(nghttp2_session *session)
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assert(stream);
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next_item = nghttp2_session_get_next_ob_item(session);
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outbound_item_cycle_weight(aob->item, stream->stream_group->weight);
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outbound_item_cycle_weight
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(aob->item, nghttp2_stream_group_shared_wait(stream->stream_group));
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/* If priority of this stream is higher or equal to other stream
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waiting at the top of the queue, we continue to send this
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@ -27,6 +27,8 @@
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#include <assert.h>
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#include <stdio.h>
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#include "nghttp2_helper.h"
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void nghttp2_stream_init(nghttp2_stream *stream, int32_t stream_id,
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uint8_t flags,
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nghttp2_stream_state initial_state,
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@ -58,6 +60,7 @@ void nghttp2_stream_init(nghttp2_stream *stream, int32_t stream_id,
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stream->stream_group = NULL;
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stream->dpri = NGHTTP2_STREAM_DPRI_NO_DATA;
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stream->num_substreams = 1;
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stream->num_subtop = 0;
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}
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void nghttp2_stream_free(nghttp2_stream *stream)
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@ -101,6 +104,23 @@ static nghttp2_stream* stream_update_dep_length(nghttp2_stream *stream,
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return stream;
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}
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static nghttp2_stream* stream_update_dep_both_length(nghttp2_stream *stream,
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ssize_t delta_stream,
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ssize_t delta_top)
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{
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stream->num_substreams += delta_stream;
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stream->num_subtop += delta_top;
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stream = stream_first_sib(stream);
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if(stream->dep_prev) {
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return stream_update_dep_both_length(stream->dep_prev, delta_stream,
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delta_top);
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}
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return stream;
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}
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static void stream_update_dep_set_rest_stream_group
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(nghttp2_stream *stream, nghttp2_stream_group *stream_group)
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{
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@ -129,6 +149,8 @@ static void stream_update_dep_set_rest(nghttp2_stream *stream)
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return;
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}
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stream->num_subtop = 0;
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if(stream->dpri == NGHTTP2_STREAM_DPRI_TOP) {
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stream->dpri = NGHTTP2_STREAM_DPRI_REST;
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@ -145,22 +167,33 @@ static void stream_update_dep_set_rest(nghttp2_stream *stream)
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* Performs dfs starting |stream|, search stream which can become
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* NGHTTP2_STREAM_DPRI_TOP and queues its data.
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*
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* This function returns 0 if it succeeds, or one of the following
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* negative error codes:
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* This function returns the number of stream marked as
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* NGHTTP2_STREAM_DPRI_TOP (including already marked as such) if it
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* succeeds, or one of the following negative error codes:
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*
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* NGHTTP2_ERR_NOMEM
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* Out of memory.
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*/
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static int stream_update_dep_set_top(nghttp2_stream *stream, nghttp2_pq *pq)
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static ssize_t stream_update_dep_set_top(nghttp2_stream *stream,
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nghttp2_pq *pq)
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{
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int rv;
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ssize_t rv;
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ssize_t num_top;
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if(stream == NULL) {
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return 0;
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}
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if(stream->dpri == NGHTTP2_STREAM_DPRI_TOP) {
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return stream_update_dep_set_top(stream->sib_next, pq);
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rv = stream_update_dep_set_top(stream->sib_next, pq);
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if(rv < 0) {
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return rv;
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}
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stream->num_subtop = 1;
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return stream->num_subtop + rv;
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}
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if(stream->dpri == NGHTTP2_STREAM_DPRI_REST) {
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@ -180,25 +213,44 @@ static int stream_update_dep_set_top(nghttp2_stream *stream, nghttp2_pq *pq)
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stream->dpri = NGHTTP2_STREAM_DPRI_TOP;
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return stream_update_dep_set_top(stream->sib_next, pq);
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rv = stream_update_dep_set_top(stream->sib_next, pq);
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if(rv < 0) {
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return rv;
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}
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stream->num_subtop = 1;
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return stream->num_subtop + rv;
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}
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assert(stream->dpri == NGHTTP2_STREAM_DPRI_NO_DATA);
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rv = stream_update_dep_set_top(stream->sib_next, pq);
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if(rv != 0) {
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if(rv < 0) {
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return rv;
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}
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return stream_update_dep_set_top(stream->dep_next, pq);
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num_top = rv;
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rv = stream_update_dep_set_top(stream->dep_next, pq);
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if(rv < 0) {
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return rv;
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}
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stream->num_subtop = rv;
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return stream->num_subtop + num_top;
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}
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static int stream_update_dep_on_attach_data(nghttp2_stream *stream,
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static ssize_t stream_update_dep_on_attach_data(nghttp2_stream *stream,
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nghttp2_pq *pq)
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{
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int rv;
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ssize_t rv;
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nghttp2_stream *root_stream;
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ssize_t old_num_subtop;
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stream->dpri = NGHTTP2_STREAM_DPRI_REST;
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@ -208,18 +260,27 @@ static int stream_update_dep_on_attach_data(nghttp2_stream *stream,
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DEBUGF(fprintf(stderr, "root=%p, stream=%p\n", root_stream, stream));
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old_num_subtop = root_stream->num_subtop;
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rv = stream_update_dep_set_top(root_stream, pq);
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if(rv != 0) {
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if(rv < 0) {
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return rv;
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}
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nghttp2_stream_group_update_num_top
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(root_stream->stream_group, root_stream->num_subtop - old_num_subtop);
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return 0;
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}
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static int stream_update_dep_on_detach_data(nghttp2_stream *stream,
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nghttp2_pq *pq)
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{
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ssize_t rv;
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nghttp2_stream *root_stream;
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ssize_t old_num_subtop;
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if(stream->dpri != NGHTTP2_STREAM_DPRI_TOP) {
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stream->dpri = NGHTTP2_STREAM_DPRI_NO_DATA;
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@ -228,7 +289,20 @@ static int stream_update_dep_on_detach_data(nghttp2_stream *stream,
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stream->dpri = NGHTTP2_STREAM_DPRI_NO_DATA;
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return stream_update_dep_set_top(stream->dep_next, pq);
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root_stream = nghttp2_stream_get_dep_root(stream);
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old_num_subtop = root_stream->num_subtop;
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rv = stream_update_dep_set_top(root_stream, pq);
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if(rv < 0) {
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return rv;
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}
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nghttp2_stream_group_update_num_top
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(root_stream->stream_group, root_stream->num_subtop - old_num_subtop);
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return 0;
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}
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int nghttp2_stream_attach_data(nghttp2_stream *stream,
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@ -509,6 +583,8 @@ int nghttp2_stream_dep_insert_subtree(nghttp2_stream *dep_stream,
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nghttp2_stream *root_stream;
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nghttp2_stream *si;
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size_t delta_substreams;
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ssize_t old_num_subtop;
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ssize_t rv;
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DEBUGF(fprintf(stderr, "stream: dep_insert_subtree dep_stream(%p)=%d "
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"stream(%p)=%d\n",
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@ -517,6 +593,9 @@ int nghttp2_stream_dep_insert_subtree(nghttp2_stream *dep_stream,
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delta_substreams = stream->num_substreams;
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nghttp2_stream_group_update_num_top
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(stream->stream_group, -stream->num_subtop);
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stream_update_dep_set_rest_stream_group(stream, dep_stream->stream_group);
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if(dep_stream->dep_next) {
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@ -549,7 +628,18 @@ int nghttp2_stream_dep_insert_subtree(nghttp2_stream *dep_stream,
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root_stream = stream_update_dep_length(dep_stream, delta_substreams);
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return stream_update_dep_set_top(root_stream, pq);
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old_num_subtop = root_stream->num_subtop;
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rv = stream_update_dep_set_top(root_stream, pq);
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if(rv < 0) {
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return rv;
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}
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nghttp2_stream_group_update_num_top
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(root_stream->stream_group, root_stream->num_subtop - old_num_subtop);
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return 0;
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}
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int nghttp2_stream_dep_add_subtree(nghttp2_stream *dep_stream,
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@ -558,12 +648,17 @@ int nghttp2_stream_dep_add_subtree(nghttp2_stream *dep_stream,
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{
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nghttp2_stream *last_sib;
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nghttp2_stream *root_stream;
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ssize_t old_num_subtop;
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ssize_t rv;
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DEBUGF(fprintf(stderr, "stream: dep_add_subtree dep_stream(%p)=%d "
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"stream(%p)=%d\n",
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dep_stream, dep_stream->stream_id,
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stream, stream->stream_id));
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nghttp2_stream_group_update_num_top
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(stream->stream_group, -stream->num_subtop);
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stream_update_dep_set_rest_stream_group(stream, dep_stream->stream_group);
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if(dep_stream->dep_next) {
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@ -578,13 +673,29 @@ int nghttp2_stream_dep_add_subtree(nghttp2_stream *dep_stream,
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root_stream = stream_update_dep_length(dep_stream, stream->num_substreams);
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return stream_update_dep_set_top(root_stream, pq);
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old_num_subtop = root_stream->num_subtop;
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rv = stream_update_dep_set_top(root_stream, pq);
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if(rv < 0) {
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return rv;
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}
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nghttp2_stream_group_update_num_top
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(root_stream->stream_group, root_stream->num_subtop - old_num_subtop);
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return 0;
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}
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void nghttp2_stream_dep_remove_subtree(nghttp2_stream *stream)
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{
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nghttp2_stream *prev, *next;
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DEBUGF(fprintf(stderr, "stream: dep_remove_subtree stream(%p)=%d\n",
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stream, stream->stream_id));
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/* Removing subtree does not change stream_group->num_top */
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if(stream->sib_prev) {
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prev = stream->sib_prev;
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@ -595,7 +706,8 @@ void nghttp2_stream_dep_remove_subtree(nghttp2_stream *stream)
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prev = stream_first_sib(prev);
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if(prev->dep_prev) {
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stream_update_dep_length(prev->dep_prev, -stream->num_substreams);
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stream_update_dep_both_length(prev->dep_prev, -stream->num_substreams,
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-stream->num_subtop);
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}
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} else if(stream->dep_prev) {
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prev = stream->dep_prev;
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@ -609,7 +721,8 @@ void nghttp2_stream_dep_remove_subtree(nghttp2_stream *stream)
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next->sib_prev = NULL;
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}
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stream_update_dep_length(prev, -stream->num_substreams);
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stream_update_dep_both_length(prev, -stream->num_substreams,
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-stream->num_subtop);
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}
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stream->sib_prev = NULL;
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@ -621,9 +734,29 @@ int nghttp2_stream_dep_make_root(nghttp2_stream_group *stream_group,
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nghttp2_stream *stream,
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nghttp2_pq *pq)
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{
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ssize_t rv;
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DEBUGF(fprintf(stderr, "stream: dep_make_root new_stream_group(%p)=%d, "
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"old_stream_group(%p)=%d, stream(%p)=%d\n",
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stream_group, stream_group->pri_group_id,
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stream->stream_group, stream->stream_group->pri_group_id,
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stream, stream->stream_id));
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/* First update num_top of old stream_group */
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nghttp2_stream_group_update_num_top
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(stream->stream_group, -stream->num_subtop);
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stream_update_dep_set_rest_stream_group(stream, stream_group);
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return stream_update_dep_set_top(stream, pq);
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rv = stream_update_dep_set_top(stream, pq);
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if(rv < 0) {
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return rv;
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}
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nghttp2_stream_group_update_num_top(stream_group, stream->num_subtop);
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return 0;
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}
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void nghttp2_stream_group_init(nghttp2_stream_group *stream_group,
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@ -633,6 +766,7 @@ void nghttp2_stream_group_init(nghttp2_stream_group *stream_group,
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nghttp2_map_entry_init(&stream_group->map_entry, pri_group_id);
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stream_group->num_streams = 0;
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stream_group->num_top = 0;
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stream_group->pri_group_id = pri_group_id;
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stream_group->weight = weight;
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}
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@ -665,3 +799,24 @@ void nghttp2_stream_group_remove_stream(nghttp2_stream_group *stream_group,
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--stream_group->num_streams;
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}
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void nghttp2_stream_group_update_num_top(nghttp2_stream_group *stream_group,
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ssize_t delta)
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{
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DEBUGF(fprintf(stderr, "stream_group: stream_group(%p)=%d "
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"update num_top current=%zd, delta=%zd, after=%zd\n",
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stream_group->num_top, delta, stream_group->num_top + delta));
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stream_group->num_top += delta;
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assert(stream_group->num_top >= 0);
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}
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size_t nghttp2_stream_group_shared_wait(nghttp2_stream_group *stream_group)
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{
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if(stream_group->num_top == 0) {
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return 1;
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}
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return nghttp2_max(1, stream_group->weight / stream_group->num_top);
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}
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@ -138,8 +138,11 @@ struct nghttp2_stream {
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/* categorized priority of this stream. Only stream bearing
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NGHTTP2_STREAM_DPRI_TOP can send DATA frame. */
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nghttp2_stream_dpri dpri;
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/* the number of nodes in subtree */
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/* the number of streams in subtree */
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size_t num_substreams;
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/* the number of streams marked as NGHTTP2_STREAM_DPRI_TOP in
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subtree */
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ssize_t num_subtop;
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/* Current remote window size. This value is computed against the
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current initial window size of remote endpoint. */
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int32_t remote_window_size;
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@ -322,7 +325,8 @@ int nghttp2_stream_dep_add_subtree(nghttp2_stream *dep_stream,
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/*
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* Removes subtree whose root stream is |stream|. Removing subtree
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* does not change dpri values.
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* does not change dpri values and removed subtree is still in the
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* same stream_group.
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*
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* This function returns 0 if it succeeds, or one of the following
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* negative error codes:
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@ -354,6 +358,8 @@ struct nghttp2_stream_group {
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nghttp2_map_entry map_entry;
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/* The number of streams this priority group contains */
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size_t num_streams;
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/* The number of streams marked as NGHTTP2_STREAM_DPRI_TOP */
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ssize_t num_top;
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/* The priority group ID */
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int32_t pri_group_id;
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/* The weight of this group */
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@ -378,4 +384,15 @@ void nghttp2_stream_group_add_stream(nghttp2_stream_group *stream_group,
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void nghttp2_stream_group_remove_stream(nghttp2_stream_group *stream_group,
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nghttp2_stream *stream);
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/*
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* Updates |stream_group->num_top| += |delta|
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*/
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void nghttp2_stream_group_update_num_top(nghttp2_stream_group *stream_group,
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ssize_t delta);
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/*
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* Returns shared weight among the streams belongs to |stream_group|.
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*/
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size_t nghttp2_stream_group_shared_wait(nghttp2_stream_group *stream_group);
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#endif /* NGHTTP2_STREAM */
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@ -5224,6 +5224,12 @@ void test_nghttp2_session_stream_attach_data(void)
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CU_ASSERT(1 == db->queued);
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CU_ASSERT(1 == a->stream_group->num_top);
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CU_ASSERT(1 == a->num_subtop);
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CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
dc = create_data_ob_item();
|
||||
|
||||
nghttp2_stream_attach_data(c, dc, &session->ob_pq);
|
||||
|
|
@ -5235,6 +5241,12 @@ void test_nghttp2_session_stream_attach_data(void)
|
|||
|
||||
CU_ASSERT(1 == dc->queued);
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(2 == a->num_subtop);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(1 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
da = create_data_ob_item();
|
||||
|
||||
nghttp2_stream_attach_data(a, da, &session->ob_pq);
|
||||
|
|
@ -5246,6 +5258,12 @@ void test_nghttp2_session_stream_attach_data(void)
|
|||
|
||||
CU_ASSERT(1 == da->queued);
|
||||
|
||||
CU_ASSERT(1 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(0 == b->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
nghttp2_stream_detach_data(a, &session->ob_pq);
|
||||
|
||||
CU_ASSERT(NGHTTP2_STREAM_DPRI_NO_DATA == a->dpri);
|
||||
|
|
@ -5253,6 +5271,12 @@ void test_nghttp2_session_stream_attach_data(void)
|
|||
CU_ASSERT(NGHTTP2_STREAM_DPRI_TOP == c->dpri);
|
||||
CU_ASSERT(NGHTTP2_STREAM_DPRI_NO_DATA == d->dpri);
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(2 == a->num_subtop);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(1 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
dd = create_data_ob_item();
|
||||
|
||||
nghttp2_stream_attach_data(d, dd, &session->ob_pq);
|
||||
|
|
@ -5264,6 +5288,12 @@ void test_nghttp2_session_stream_attach_data(void)
|
|||
|
||||
CU_ASSERT(0 == dd->queued);
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(2 == a->num_subtop);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(1 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
nghttp2_stream_detach_data(c, &session->ob_pq);
|
||||
|
||||
CU_ASSERT(NGHTTP2_STREAM_DPRI_NO_DATA == a->dpri);
|
||||
|
|
@ -5273,6 +5303,12 @@ void test_nghttp2_session_stream_attach_data(void)
|
|||
|
||||
CU_ASSERT(1 == dd->queued);
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(2 == a->num_subtop);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(1 == c->num_subtop);
|
||||
CU_ASSERT(1 == d->num_subtop);
|
||||
|
||||
nghttp2_session_del(session);
|
||||
}
|
||||
|
||||
|
|
@ -5280,8 +5316,8 @@ void test_nghttp2_session_stream_attach_data_subtree(void)
|
|||
{
|
||||
nghttp2_session *session;
|
||||
nghttp2_session_callbacks callbacks;
|
||||
nghttp2_stream *a, *b, *c, *d, *e, *f;
|
||||
nghttp2_outbound_item *db, *de;
|
||||
nghttp2_stream *a, *b, *c, *d, *e, *f, *g, *h;
|
||||
nghttp2_outbound_item *db, *dd, *de;
|
||||
|
||||
(void)d;
|
||||
|
||||
|
|
@ -5296,8 +5332,9 @@ void test_nghttp2_session_stream_attach_data_subtree(void)
|
|||
|
||||
e = open_stream(session, 9);
|
||||
f = open_stream_with_dep(session, 11, e);
|
||||
|
||||
/* a e
|
||||
/* gr.1 gr.9
|
||||
*
|
||||
* a e
|
||||
* | |
|
||||
* b--c f
|
||||
* |
|
||||
|
|
@ -5312,9 +5349,16 @@ void test_nghttp2_session_stream_attach_data_subtree(void)
|
|||
|
||||
nghttp2_stream_attach_data(b, db, &session->ob_pq);
|
||||
|
||||
CU_ASSERT(1 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == e->stream_group->num_top);
|
||||
|
||||
/* Insert subtree e under a */
|
||||
|
||||
nghttp2_stream_dep_insert_subtree(a, e, &session->ob_pq);
|
||||
|
||||
/* a
|
||||
/* gr.1
|
||||
*
|
||||
* a
|
||||
* |
|
||||
* e
|
||||
* |
|
||||
|
|
@ -5327,12 +5371,185 @@ void test_nghttp2_session_stream_attach_data_subtree(void)
|
|||
CU_ASSERT(NGHTTP2_STREAM_DPRI_TOP == e->dpri);
|
||||
CU_ASSERT(NGHTTP2_STREAM_DPRI_NO_DATA == f->dpri);
|
||||
|
||||
CU_ASSERT(1 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(1 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(0 == b->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
/* Remove subtree b */
|
||||
|
||||
nghttp2_stream_dep_remove_subtree(b);
|
||||
|
||||
nghttp2_stream_dep_make_root(b->stream_group, b, &session->ob_pq);
|
||||
|
||||
/* gr.1 gr.1
|
||||
*
|
||||
* a b
|
||||
* |
|
||||
* e
|
||||
* |
|
||||
* f--c
|
||||
* |
|
||||
* d
|
||||
*/
|
||||
|
||||
CU_ASSERT(NGHTTP2_STREAM_DPRI_TOP == b->dpri);
|
||||
|
||||
/* a and b are still same group */
|
||||
CU_ASSERT(b->stream_group == a->stream_group);
|
||||
|
||||
CU_ASSERT(2 == b->stream_group->num_top);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(1 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
/* Remove subtree a */
|
||||
|
||||
nghttp2_stream_dep_remove_subtree(a);
|
||||
|
||||
nghttp2_stream_dep_make_root(a->stream_group, a, &session->ob_pq);
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(1 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
/* Remove subtree c */
|
||||
|
||||
nghttp2_stream_dep_remove_subtree(c);
|
||||
|
||||
nghttp2_stream_dep_make_root(c->stream_group, c, &session->ob_pq);
|
||||
|
||||
/* gr.1 gr.1 gr.1
|
||||
*
|
||||
* a b c
|
||||
* | |
|
||||
* e d
|
||||
* |
|
||||
* f
|
||||
*/
|
||||
|
||||
CU_ASSERT(2 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(1 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
dd = create_data_ob_item();
|
||||
|
||||
nghttp2_stream_attach_data(d, dd, &session->ob_pq);
|
||||
|
||||
CU_ASSERT(3 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == c->num_subtop);
|
||||
CU_ASSERT(1 == d->num_subtop);
|
||||
|
||||
/* Add subtree c to a */
|
||||
|
||||
nghttp2_stream_dep_add_subtree(a, c, &session->ob_pq);
|
||||
|
||||
/* gr.1 gr.1
|
||||
*
|
||||
* a b
|
||||
* |
|
||||
* e--c
|
||||
* | |
|
||||
* f d
|
||||
*/
|
||||
|
||||
CU_ASSERT(3 == a->stream_group->num_top);
|
||||
CU_ASSERT(2 == a->num_subtop);
|
||||
CU_ASSERT(1 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(1 == c->num_subtop);
|
||||
CU_ASSERT(1 == d->num_subtop);
|
||||
|
||||
/* Insert b under a */
|
||||
|
||||
nghttp2_stream_dep_insert_subtree(a, b, &session->ob_pq);
|
||||
|
||||
/* gr.1
|
||||
*
|
||||
* a
|
||||
* |
|
||||
* b
|
||||
* |
|
||||
* e--c
|
||||
* | |
|
||||
* f d
|
||||
*/
|
||||
|
||||
CU_ASSERT(1 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(0 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
g = open_stream(session, 13);
|
||||
h = open_stream(session, 15);
|
||||
|
||||
nghttp2_stream_dep_make_root(a->stream_group, h, &session->ob_pq);
|
||||
|
||||
nghttp2_stream_dep_make_root(g->stream_group, a, &session->ob_pq);
|
||||
|
||||
/* gr.13 gr.13 gr.1
|
||||
*
|
||||
* a g h
|
||||
* |
|
||||
* b
|
||||
* |
|
||||
* e--c
|
||||
* | |
|
||||
* f d
|
||||
*/
|
||||
|
||||
CU_ASSERT(g->stream_group == a->stream_group);
|
||||
|
||||
CU_ASSERT(0 == h->stream_group->num_top);
|
||||
|
||||
CU_ASSERT(1 == a->stream_group->num_top);
|
||||
CU_ASSERT(1 == a->num_subtop);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(0 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
/* Remove subtree b */
|
||||
|
||||
nghttp2_stream_dep_remove_subtree(b);
|
||||
|
||||
/* gr.13 gr.13 gr.13 gr.1
|
||||
*
|
||||
* b a g h
|
||||
* |
|
||||
* e--c
|
||||
* | |
|
||||
* f d
|
||||
*/
|
||||
|
||||
CU_ASSERT(1 == b->stream_group->num_top);
|
||||
CU_ASSERT(1 == b->num_subtop);
|
||||
CU_ASSERT(0 == e->num_subtop);
|
||||
CU_ASSERT(0 == f->num_subtop);
|
||||
CU_ASSERT(0 == c->num_subtop);
|
||||
CU_ASSERT(0 == d->num_subtop);
|
||||
|
||||
CU_ASSERT(0 == a->num_subtop);
|
||||
|
||||
nghttp2_session_del(session);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue