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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2012 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_outbound_item.h"
#include <assert.h>
#include <string.h>
nghttp2_data_provider_wrap *
nghttp2_data_provider_wrap_v1(nghttp2_data_provider_wrap *dpw,
const nghttp2_data_provider *data_prd) {
if (!data_prd) {
return NULL;
}
dpw->version = NGHTTP2_DATA_PROVIDER_V1;
dpw->data_prd.v1 = *data_prd;
return dpw;
}
nghttp2_data_provider_wrap *
nghttp2_data_provider_wrap_v2(nghttp2_data_provider_wrap *dpw,
const nghttp2_data_provider2 *data_prd) {
if (!data_prd) {
return NULL;
}
dpw->version = NGHTTP2_DATA_PROVIDER_V2;
dpw->data_prd.v2 = *data_prd;
return dpw;
}
void nghttp2_outbound_item_init(nghttp2_outbound_item *item) {
item->cycle = 0;
item->qnext = NULL;
item->queued = 0;
memset(&item->aux_data, 0, sizeof(nghttp2_aux_data));
}
void nghttp2_outbound_item_free(nghttp2_outbound_item *item, nghttp2_mem *mem) {
nghttp2_frame *frame;
if (item == NULL) {
return;
}
frame = &item->frame;
switch (frame->hd.type) {
case NGHTTP2_DATA:
nghttp2_frame_data_free(&frame->data);
break;
case NGHTTP2_HEADERS:
nghttp2_frame_headers_free(&frame->headers, mem);
break;
case NGHTTP2_PRIORITY:
nghttp2_frame_priority_free(&frame->priority);
break;
case NGHTTP2_RST_STREAM:
nghttp2_frame_rst_stream_free(&frame->rst_stream);
break;
case NGHTTP2_SETTINGS:
nghttp2_frame_settings_free(&frame->settings, mem);
break;
case NGHTTP2_PUSH_PROMISE:
nghttp2_frame_push_promise_free(&frame->push_promise, mem);
break;
case NGHTTP2_PING:
nghttp2_frame_ping_free(&frame->ping);
break;
case NGHTTP2_GOAWAY:
nghttp2_frame_goaway_free(&frame->goaway, mem);
break;
case NGHTTP2_WINDOW_UPDATE:
nghttp2_frame_window_update_free(&frame->window_update);
break;
default: {
nghttp2_ext_aux_data *aux_data;
aux_data = &item->aux_data.ext;
if (aux_data->builtin == 0) {
nghttp2_frame_extension_free(&frame->ext);
break;
}
switch (frame->hd.type) {
case NGHTTP2_ALTSVC:
nghttp2_frame_altsvc_free(&frame->ext, mem);
break;
case NGHTTP2_ORIGIN:
nghttp2_frame_origin_free(&frame->ext, mem);
break;
case NGHTTP2_PRIORITY_UPDATE:
nghttp2_frame_priority_update_free(&frame->ext, mem);
break;
default:
assert(0);
break;
}
}
}
}
void nghttp2_outbound_queue_init(nghttp2_outbound_queue *q) {
q->head = q->tail = NULL;
q->n = 0;
}
void nghttp2_outbound_queue_push(nghttp2_outbound_queue *q,
nghttp2_outbound_item *item) {
if (q->tail) {
q->tail = q->tail->qnext = item;
} else {
q->head = q->tail = item;
}
++q->n;
}
void nghttp2_outbound_queue_pop(nghttp2_outbound_queue *q) {
nghttp2_outbound_item *item;
if (!q->head) {
return;
}
item = q->head;
q->head = q->head->qnext;
item->qnext = NULL;
if (!q->head) {
q->tail = NULL;
}
--q->n;
}
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