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3e3d51842b
We simulate resource sharing by decreasing weight. The thing is if weight is wrapped, that item continues to send DATA until its weight gets lowered under the other items. This commits fix this issue.
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012 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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#ifndef NGHTTP2_OUTBOUND_ITEM_H
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#define NGHTTP2_OUTBOUND_ITEM_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <nghttp2/nghttp2.h>
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#include "nghttp2_frame.h"
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/* A bit higher weight for non-DATA frames */
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#define NGHTTP2_OB_EX_WEIGHT 300
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/* Higher weight for SETTINGS */
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#define NGHTTP2_OB_SETTINGS_WEIGHT 301
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/* Highest weight for PING */
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#define NGHTTP2_OB_PING_WEIGHT 302
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typedef struct {
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nghttp2_data_provider *data_prd;
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void *stream_user_data;
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} nghttp2_headers_aux_data;
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typedef struct {
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int64_t seq;
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/* Reset count of weight. See comment for last_cycle in
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nghttp2_session.h */
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uint64_t cycle;
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void *frame;
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void *aux_data;
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/* Type of |frame|. NGHTTP2_CTRL: nghttp2_frame*, NGHTTP2_DATA:
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nghttp2_private_data* */
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nghttp2_frame_category frame_cat;
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/* The priority used in priority comparion. Larger is served
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ealier. */
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int32_t weight;
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/* nonzero if this object is queued. */
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uint8_t queued;
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} nghttp2_outbound_item;
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/*
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* Deallocates resource for |item|. If |item| is NULL, this function
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* does nothing.
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*/
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void nghttp2_outbound_item_free(nghttp2_outbound_item *item);
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/* Macros to cast nghttp2_outbound_item.frame to the proper type. */
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#define nghttp2_outbound_item_get_ctrl_frame(ITEM) ((nghttp2_frame*)ITEM->frame)
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#define nghttp2_outbound_item_get_ctrl_frame_type(ITEM) \
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(((nghttp2_frame*)ITEM->frame)->hd.type)
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#define nghttp2_outbound_item_get_data_frame(ITEM) \
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((nghttp2_private_data*)ITEM->frame)
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#endif /* NGHTTP2_OUTBOUND_ITEM_H */
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