2013-07-12 15:19:03 +00:00
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/*
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* nghttp2 - HTTP/2.0 C Library
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*
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2013-09-08 21:21:06 +00:00
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* Copyright (c) 2012, 2013 Tatsuhiro Tsujikawa
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2013-07-12 15:19:03 +00:00
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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_submit.h"
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#include <string.h>
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2013-08-08 15:58:52 +00:00
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#include <assert.h>
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2013-07-12 15:19:03 +00:00
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#include "nghttp2_session.h"
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#include "nghttp2_frame.h"
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#include "nghttp2_helper.h"
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2013-09-10 15:55:35 +00:00
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/* This function takes ownership of |nva_copy|. Regardless of the
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return value, the caller must not free |nva_copy| after this
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function returns. */
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2013-07-15 12:45:59 +00:00
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static int nghttp2_submit_headers_shared
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2013-07-12 15:19:03 +00:00
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(nghttp2_session *session,
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uint8_t flags,
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2013-07-15 12:45:59 +00:00
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int32_t stream_id,
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int32_t pri,
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2013-09-10 15:55:35 +00:00
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nghttp2_nv *nva_copy,
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size_t nvlen,
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2013-07-12 15:19:03 +00:00
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const nghttp2_data_provider *data_prd,
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void *stream_user_data)
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{
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2013-09-10 15:55:35 +00:00
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int rv;
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2013-07-12 15:19:03 +00:00
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uint8_t flags_copy;
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2013-09-10 15:55:35 +00:00
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nghttp2_frame *frame = NULL;
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2013-07-12 15:19:03 +00:00
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nghttp2_data_provider *data_prd_copy = NULL;
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2013-07-15 12:45:59 +00:00
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nghttp2_headers_aux_data *aux_data = NULL;
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if(pri < 0) {
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2013-09-10 15:55:35 +00:00
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rv = NGHTTP2_ERR_INVALID_ARGUMENT;
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goto fail;
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2013-07-12 15:19:03 +00:00
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}
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if(data_prd != NULL && data_prd->read_callback != NULL) {
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data_prd_copy = malloc(sizeof(nghttp2_data_provider));
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if(data_prd_copy == NULL) {
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2013-09-10 15:55:35 +00:00
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rv = NGHTTP2_ERR_NOMEM;
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goto fail;
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2013-07-12 15:19:03 +00:00
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}
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*data_prd_copy = *data_prd;
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}
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2013-07-15 12:45:59 +00:00
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if(data_prd || stream_user_data) {
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aux_data = malloc(sizeof(nghttp2_headers_aux_data));
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if(aux_data == NULL) {
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2013-09-10 15:55:35 +00:00
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rv = NGHTTP2_ERR_NOMEM;
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goto fail;
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2013-07-15 12:45:59 +00:00
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}
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aux_data->data_prd = data_prd_copy;
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aux_data->stream_user_data = stream_user_data;
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2013-07-12 15:19:03 +00:00
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}
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frame = malloc(sizeof(nghttp2_frame));
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if(frame == NULL) {
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2013-09-10 15:55:35 +00:00
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rv = NGHTTP2_ERR_NOMEM;
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goto fail;
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2013-07-12 15:19:03 +00:00
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}
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2013-07-15 12:45:59 +00:00
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/* TODO Implement header continuation */
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flags_copy = (flags & (NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PRIORITY)) |
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NGHTTP2_FLAG_END_HEADERS;
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nghttp2_frame_headers_init(&frame->headers, flags_copy, stream_id, pri,
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2013-07-19 15:08:14 +00:00
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nva_copy, nvlen);
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2013-09-10 15:55:35 +00:00
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rv = nghttp2_session_add_frame(session, NGHTTP2_CAT_CTRL, frame,
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aux_data);
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if(rv != 0) {
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2013-07-15 12:45:59 +00:00
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nghttp2_frame_headers_free(&frame->headers);
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2013-09-10 15:55:35 +00:00
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goto fail2;
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2013-07-12 15:19:03 +00:00
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}
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2013-09-10 15:55:35 +00:00
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return 0;
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fail:
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/* nghttp2_frame_headers_init() takes ownership of nva_copy. */
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nghttp2_nv_array_del(nva_copy);
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fail2:
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free(frame);
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free(aux_data);
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free(data_prd_copy);
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return rv;
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}
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static int nghttp2_submit_headers_shared_nv
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(nghttp2_session *session,
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uint8_t flags,
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int32_t stream_id,
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int32_t pri,
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const char **nv,
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const nghttp2_data_provider *data_prd,
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void *stream_user_data)
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{
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ssize_t nvlen;
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nghttp2_nv *nva_copy;
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if(!nghttp2_frame_nv_check_null(nv)) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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nvlen = nghttp2_nv_array_from_cstr(&nva_copy, nv);
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if(nvlen < 0) {
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return nvlen;
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}
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return nghttp2_submit_headers_shared(session, flags, stream_id,
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pri, nva_copy, nvlen, data_prd,
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stream_user_data);
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}
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static int nghttp2_submit_headers_shared_nva
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(nghttp2_session *session,
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uint8_t flags,
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int32_t stream_id,
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int32_t pri,
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const nghttp2_nv *nva,
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size_t nvlen,
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const nghttp2_data_provider *data_prd,
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void *stream_user_data)
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{
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ssize_t rv;
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nghttp2_nv *nva_copy;
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if(!nghttp2_nv_array_check_null(nva, nvlen)) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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rv = nghttp2_nv_array_copy(&nva_copy, nva, nvlen);
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if(rv < 0) {
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return rv;
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}
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return nghttp2_submit_headers_shared(session, flags, stream_id,
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pri, nva_copy, rv, data_prd,
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stream_user_data);
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2013-07-12 15:19:03 +00:00
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}
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int nghttp2_submit_headers(nghttp2_session *session, uint8_t flags,
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2013-07-15 12:45:59 +00:00
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int32_t stream_id, int32_t pri,
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const char **nv, void *stream_user_data)
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2013-07-12 15:19:03 +00:00
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{
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2013-09-10 15:55:35 +00:00
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return nghttp2_submit_headers_shared_nv(session, flags, stream_id,
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pri, nv, NULL, stream_user_data);
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2013-07-12 15:19:03 +00:00
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}
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2013-07-15 12:45:59 +00:00
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2013-10-25 13:50:24 +00:00
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int nghttp2_submit_ping(nghttp2_session *session, uint8_t flags,
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uint8_t *opaque_data)
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2013-07-12 15:19:03 +00:00
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{
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2013-07-15 12:45:59 +00:00
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return nghttp2_session_add_ping(session, NGHTTP2_FLAG_NONE, opaque_data);
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2013-07-12 15:19:03 +00:00
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}
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2013-10-25 13:50:24 +00:00
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int nghttp2_submit_priority(nghttp2_session *session, uint8_t flags,
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int32_t stream_id, int32_t pri)
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2013-07-22 15:11:39 +00:00
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{
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int r;
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nghttp2_frame *frame;
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2013-08-09 15:02:24 +00:00
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nghttp2_stream *stream;
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2013-07-22 15:11:39 +00:00
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if(pri < 0) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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2013-08-09 15:02:24 +00:00
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stream = nghttp2_session_get_stream(session, stream_id);
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if(stream == NULL) {
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return NGHTTP2_ERR_STREAM_CLOSED;
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}
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2013-07-22 15:11:39 +00:00
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frame = malloc(sizeof(nghttp2_frame));
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if(frame == NULL) {
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return NGHTTP2_ERR_NOMEM;
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}
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nghttp2_frame_priority_init(&frame->priority, stream_id, pri);
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r = nghttp2_session_add_frame(session, NGHTTP2_CAT_CTRL, frame, NULL);
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if(r != 0) {
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nghttp2_frame_priority_free(&frame->priority);
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free(frame);
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return r;
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}
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2013-08-09 14:40:41 +00:00
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/* Only update priority if the sender is client for now */
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if(!session->server) {
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2013-08-09 15:02:24 +00:00
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nghttp2_session_reprioritize_stream(session, stream, pri);
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2013-08-09 14:40:41 +00:00
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}
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2013-07-22 15:11:39 +00:00
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return 0;
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}
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2013-10-25 13:50:24 +00:00
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int nghttp2_submit_rst_stream(nghttp2_session *session, uint8_t flags,
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int32_t stream_id,
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2013-07-15 12:45:59 +00:00
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nghttp2_error_code error_code)
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2013-07-12 15:19:03 +00:00
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{
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2013-07-15 12:45:59 +00:00
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return nghttp2_session_add_rst_stream(session, stream_id, error_code);
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2013-07-12 15:19:03 +00:00
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}
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2013-10-25 13:50:24 +00:00
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int nghttp2_submit_goaway(nghttp2_session *session, uint8_t flags,
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2013-07-15 12:45:59 +00:00
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nghttp2_error_code error_code,
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uint8_t *opaque_data, size_t opaque_data_len)
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2013-07-12 15:19:03 +00:00
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{
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return nghttp2_session_add_goaway(session, session->last_recv_stream_id,
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2013-07-15 12:45:59 +00:00
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error_code, opaque_data, opaque_data_len);
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2013-07-12 15:19:03 +00:00
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}
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2013-10-25 13:50:24 +00:00
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int nghttp2_submit_settings(nghttp2_session *session, uint8_t flags,
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2013-07-12 15:19:03 +00:00
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const nghttp2_settings_entry *iv, size_t niv)
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{
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2013-10-27 10:22:51 +00:00
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return nghttp2_session_add_settings(session, NGHTTP2_FLAG_NONE, iv, niv);
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2013-07-12 15:19:03 +00:00
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}
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2013-07-24 16:49:05 +00:00
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int nghttp2_submit_push_promise(nghttp2_session *session, uint8_t flags,
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int32_t stream_id, const char **nv)
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{
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nghttp2_frame *frame;
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nghttp2_nv *nva;
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ssize_t nvlen;
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uint8_t flags_copy;
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int r;
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2013-08-09 15:02:24 +00:00
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if(nghttp2_session_get_stream(session, stream_id) == NULL) {
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return NGHTTP2_ERR_STREAM_CLOSED;
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}
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2013-07-24 16:49:05 +00:00
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if(!nghttp2_frame_nv_check_null(nv)) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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frame = malloc(sizeof(nghttp2_frame));
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if(frame == NULL) {
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return NGHTTP2_ERR_NOMEM;
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}
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nvlen = nghttp2_nv_array_from_cstr(&nva, nv);
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if(nvlen < 0) {
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free(frame);
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return nvlen;
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}
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/* TODO Implement header continuation */
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flags_copy = NGHTTP2_FLAG_END_PUSH_PROMISE;
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nghttp2_frame_push_promise_init(&frame->push_promise, flags_copy,
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stream_id, -1, nva, nvlen);
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r = nghttp2_session_add_frame(session, NGHTTP2_CAT_CTRL, frame, NULL);
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if(r != 0) {
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nghttp2_frame_push_promise_free(&frame->push_promise);
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free(frame);
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}
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return 0;
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}
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2013-07-15 12:45:59 +00:00
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int nghttp2_submit_window_update(nghttp2_session *session, uint8_t flags,
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int32_t stream_id,
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int32_t window_size_increment)
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2013-07-12 15:19:03 +00:00
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{
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2013-08-08 15:58:52 +00:00
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int rv;
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2013-07-12 15:19:03 +00:00
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nghttp2_stream *stream;
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2013-08-18 13:04:09 +00:00
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if(window_size_increment == 0) {
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2013-10-12 08:02:37 +00:00
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return 0;
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2013-07-12 15:19:03 +00:00
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}
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2013-08-18 13:04:09 +00:00
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flags = 0;
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2013-07-15 12:45:59 +00:00
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if(stream_id == 0) {
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2013-08-08 15:58:52 +00:00
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if(!session->local_flow_control) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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rv = nghttp2_adjust_local_window_size(&session->local_window_size,
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&session->recv_window_size,
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2013-10-12 08:02:37 +00:00
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&session->recv_reduction,
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&window_size_increment);
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2013-08-08 15:58:52 +00:00
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if(rv != 0) {
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return rv;
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}
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2013-07-12 15:19:03 +00:00
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} else {
|
2013-07-15 12:45:59 +00:00
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stream = nghttp2_session_get_stream(session, stream_id);
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if(stream) {
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2013-08-08 15:58:52 +00:00
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if(!stream->local_flow_control) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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rv = nghttp2_adjust_local_window_size(&stream->local_window_size,
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&stream->recv_window_size,
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2013-10-12 08:02:37 +00:00
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&stream->recv_reduction,
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&window_size_increment);
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2013-08-08 15:58:52 +00:00
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if(rv != 0) {
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return rv;
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}
|
2013-07-15 12:45:59 +00:00
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} else {
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return NGHTTP2_ERR_STREAM_CLOSED;
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}
|
2013-07-12 15:19:03 +00:00
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}
|
2013-08-09 14:46:12 +00:00
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if(window_size_increment > 0) {
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2013-08-08 15:58:52 +00:00
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return nghttp2_session_add_window_update(session, flags, stream_id,
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window_size_increment);
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}
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return 0;
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2013-07-12 15:19:03 +00:00
|
|
|
}
|
|
|
|
|
2013-09-10 15:55:35 +00:00
|
|
|
static uint8_t set_request_flags(int32_t pri,
|
|
|
|
const nghttp2_data_provider *data_prd)
|
2013-07-12 15:19:03 +00:00
|
|
|
{
|
2013-07-15 12:45:59 +00:00
|
|
|
uint8_t flags = NGHTTP2_FLAG_NONE;
|
2013-07-12 15:19:03 +00:00
|
|
|
if(data_prd == NULL || data_prd->read_callback == NULL) {
|
2013-07-15 12:45:59 +00:00
|
|
|
flags |= NGHTTP2_FLAG_END_STREAM;
|
2013-07-12 15:19:03 +00:00
|
|
|
}
|
2013-07-15 12:45:59 +00:00
|
|
|
if(pri != NGHTTP2_PRI_DEFAULT) {
|
|
|
|
flags |= NGHTTP2_FLAG_PRIORITY;
|
|
|
|
}
|
2013-09-10 15:55:35 +00:00
|
|
|
return flags;
|
|
|
|
}
|
|
|
|
|
|
|
|
int nghttp2_submit_request(nghttp2_session *session, int32_t pri,
|
|
|
|
const char **nv,
|
|
|
|
const nghttp2_data_provider *data_prd,
|
|
|
|
void *stream_user_data)
|
|
|
|
{
|
|
|
|
uint8_t flags = set_request_flags(pri, data_prd);
|
|
|
|
return nghttp2_submit_headers_shared_nv(session, flags, -1, pri, nv,
|
|
|
|
data_prd, stream_user_data);
|
|
|
|
}
|
|
|
|
|
|
|
|
int nghttp2_submit_request2(nghttp2_session *session, int32_t pri,
|
|
|
|
const nghttp2_nv *nva, size_t nvlen,
|
|
|
|
const nghttp2_data_provider *data_prd,
|
|
|
|
void *stream_user_data)
|
|
|
|
{
|
|
|
|
uint8_t flags = set_request_flags(pri, data_prd);
|
|
|
|
return nghttp2_submit_headers_shared_nva(session, flags, -1, pri, nva, nvlen,
|
|
|
|
data_prd, stream_user_data);
|
2013-07-12 15:19:03 +00:00
|
|
|
}
|
|
|
|
|
2013-11-28 12:35:48 +00:00
|
|
|
static uint8_t set_response_flags(const nghttp2_data_provider *data_prd)
|
2013-07-12 15:19:03 +00:00
|
|
|
{
|
2013-07-15 12:45:59 +00:00
|
|
|
uint8_t flags = NGHTTP2_FLAG_NONE;
|
|
|
|
if(data_prd == NULL || data_prd->read_callback == NULL) {
|
|
|
|
flags |= NGHTTP2_FLAG_END_STREAM;
|
2013-07-12 15:19:03 +00:00
|
|
|
}
|
2013-11-28 12:35:48 +00:00
|
|
|
return flags;
|
|
|
|
}
|
|
|
|
|
|
|
|
int nghttp2_submit_response(nghttp2_session *session,
|
|
|
|
int32_t stream_id, const char **nv,
|
|
|
|
const nghttp2_data_provider *data_prd)
|
|
|
|
{
|
|
|
|
uint8_t flags = set_response_flags(data_prd);
|
2013-09-10 15:55:35 +00:00
|
|
|
return nghttp2_submit_headers_shared_nv(session, flags, stream_id,
|
|
|
|
NGHTTP2_PRI_DEFAULT, nv, data_prd,
|
|
|
|
NULL);
|
2013-07-12 15:19:03 +00:00
|
|
|
}
|
|
|
|
|
2013-11-28 12:35:48 +00:00
|
|
|
int nghttp2_submit_response2(nghttp2_session *session,
|
|
|
|
int32_t stream_id,
|
|
|
|
const nghttp2_nv *nva, size_t nvlen,
|
|
|
|
const nghttp2_data_provider *data_prd)
|
|
|
|
{
|
|
|
|
uint8_t flags = set_response_flags(data_prd);
|
|
|
|
return nghttp2_submit_headers_shared_nva(session, flags, stream_id,
|
|
|
|
NGHTTP2_PRI_DEFAULT, nva, nvlen,
|
|
|
|
data_prd, NULL);
|
|
|
|
}
|
|
|
|
|
2013-07-15 12:45:59 +00:00
|
|
|
int nghttp2_submit_data(nghttp2_session *session, uint8_t flags,
|
|
|
|
int32_t stream_id,
|
2013-07-12 15:19:03 +00:00
|
|
|
const nghttp2_data_provider *data_prd)
|
|
|
|
{
|
|
|
|
int r;
|
|
|
|
nghttp2_data *data_frame;
|
|
|
|
uint8_t nflags = 0;
|
2013-08-09 15:02:24 +00:00
|
|
|
|
|
|
|
if(nghttp2_session_get_stream(session, stream_id) == NULL) {
|
|
|
|
return NGHTTP2_ERR_STREAM_CLOSED;
|
|
|
|
}
|
2013-09-07 07:38:21 +00:00
|
|
|
data_frame = malloc(sizeof(nghttp2_data));
|
2013-07-12 15:19:03 +00:00
|
|
|
if(data_frame == NULL) {
|
|
|
|
return NGHTTP2_ERR_NOMEM;
|
|
|
|
}
|
2013-07-15 12:45:59 +00:00
|
|
|
if(flags & NGHTTP2_FLAG_END_STREAM) {
|
|
|
|
nflags |= NGHTTP2_FLAG_END_STREAM;
|
2013-07-12 15:19:03 +00:00
|
|
|
}
|
2013-07-15 12:45:59 +00:00
|
|
|
nghttp2_frame_data_init(data_frame, nflags, stream_id, data_prd);
|
|
|
|
r = nghttp2_session_add_frame(session, NGHTTP2_CAT_DATA, data_frame, NULL);
|
2013-07-12 15:19:03 +00:00
|
|
|
if(r != 0) {
|
|
|
|
nghttp2_frame_data_free(data_frame);
|
|
|
|
free(data_frame);
|
|
|
|
}
|
|
|
|
return r;
|
|
|
|
}
|
2013-08-03 09:05:14 +00:00
|
|
|
|
|
|
|
ssize_t nghttp2_pack_settings_payload(uint8_t *buf,
|
2013-09-08 21:21:06 +00:00
|
|
|
size_t buflen,
|
2013-09-09 12:30:39 +00:00
|
|
|
const nghttp2_settings_entry *iv,
|
|
|
|
size_t niv)
|
2013-08-03 09:05:14 +00:00
|
|
|
{
|
2013-08-17 14:41:04 +00:00
|
|
|
/* Assume that current flow_control_option is 0 (which means that
|
|
|
|
flow control is enabled) */
|
|
|
|
if(!nghttp2_iv_check(iv, niv, 0)) {
|
2013-08-03 09:05:14 +00:00
|
|
|
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
|
|
|
}
|
2013-09-08 21:21:06 +00:00
|
|
|
|
|
|
|
if(buflen < (niv * 8))
|
|
|
|
return NGHTTP2_ERR_INSUFF_BUFSIZE;
|
|
|
|
|
2013-08-03 09:05:14 +00:00
|
|
|
return nghttp2_frame_pack_settings_payload(buf, iv, niv);
|
|
|
|
}
|