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https://gitee.com/openharmony/third_party_nghttp2
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aa317c89ea
The added API is nghttp2_session_change_stream_priority(). This provides the same functionality to re-prioritize stream when PRIORITY frame. is received, but we do it without PRIORITY frame. This could be useful for server to change pushed stream's priority silently.
53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2014 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "nghttp2_priority_spec.h"
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void nghttp2_priority_spec_init(nghttp2_priority_spec *pri_spec,
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int32_t stream_id, int32_t weight,
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int exclusive) {
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pri_spec->stream_id = stream_id;
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pri_spec->weight = weight;
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pri_spec->exclusive = exclusive != 0;
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}
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void nghttp2_priority_spec_default_init(nghttp2_priority_spec *pri_spec) {
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pri_spec->stream_id = 0;
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pri_spec->weight = NGHTTP2_DEFAULT_WEIGHT;
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pri_spec->exclusive = 0;
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}
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int nghttp2_priority_spec_check_default(const nghttp2_priority_spec *pri_spec) {
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return pri_spec->stream_id == 0 &&
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pri_spec->weight == NGHTTP2_DEFAULT_WEIGHT && pri_spec->exclusive == 0;
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}
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void nghttp2_priority_spec_normalize_weight(nghttp2_priority_spec *pri_spec) {
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if (pri_spec->weight < NGHTTP2_MIN_WEIGHT) {
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pri_spec->weight = NGHTTP2_MIN_WEIGHT;
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} else if (pri_spec->weight > NGHTTP2_MAX_WEIGHT) {
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pri_spec->weight = NGHTTP2_MAX_WEIGHT;
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}
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}
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