esp-idf/components/nghttp/library/nghttp2_priority_spec.c
liuhan 3c33350af9 components/nghttp: add HTTP2.0 protocol feature
Develop and Issue HTTP2.0 protocol parse function, see nghttp file.
2016-09-26 18:56:20 +08:00

53 lines
2.1 KiB
C

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