mirror of
https://github.com/moparisthebest/spdylay
synced 2024-11-05 09:05:07 -05:00
329 lines
10 KiB
C
329 lines
10 KiB
C
/*
|
|
* Spdylay - SPDY 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 "spdylay_submit.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include "spdylay_session.h"
|
|
#include "spdylay_frame.h"
|
|
#include "spdylay_helper.h"
|
|
|
|
static int spdylay_submit_syn_stream_shared
|
|
(spdylay_session *session,
|
|
uint8_t flags,
|
|
int32_t assoc_stream_id,
|
|
uint8_t pri,
|
|
const char **nv,
|
|
const spdylay_data_provider *data_prd,
|
|
void *stream_user_data)
|
|
{
|
|
int r;
|
|
spdylay_frame *frame;
|
|
char **nv_copy;
|
|
uint8_t flags_copy;
|
|
spdylay_data_provider *data_prd_copy = NULL;
|
|
spdylay_syn_stream_aux_data *aux_data;
|
|
if(pri > spdylay_session_get_pri_lowest(session)) {
|
|
return SPDYLAY_ERR_INVALID_ARGUMENT;
|
|
}
|
|
if(assoc_stream_id != 0) {
|
|
if(session->server == 0) {
|
|
assoc_stream_id = 0;
|
|
} else if(spdylay_session_is_my_stream_id(session, assoc_stream_id)) {
|
|
return SPDYLAY_ERR_INVALID_ARGUMENT;
|
|
}
|
|
}
|
|
if(data_prd != NULL && data_prd->read_callback != NULL) {
|
|
data_prd_copy = malloc(sizeof(spdylay_data_provider));
|
|
if(data_prd_copy == NULL) {
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
*data_prd_copy = *data_prd;
|
|
}
|
|
aux_data = malloc(sizeof(spdylay_syn_stream_aux_data));
|
|
if(aux_data == NULL) {
|
|
free(data_prd_copy);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
aux_data->data_prd = data_prd_copy;
|
|
aux_data->stream_user_data = stream_user_data;
|
|
|
|
frame = malloc(sizeof(spdylay_frame));
|
|
if(frame == NULL) {
|
|
free(aux_data);
|
|
free(data_prd_copy);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
nv_copy = spdylay_frame_nv_norm_copy(nv);
|
|
if(nv_copy == NULL) {
|
|
free(frame);
|
|
free(aux_data);
|
|
free(data_prd_copy);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
flags_copy = 0;
|
|
if(flags & SPDYLAY_CTRL_FLAG_FIN) {
|
|
flags_copy |= SPDYLAY_CTRL_FLAG_FIN;
|
|
}
|
|
if(flags & SPDYLAY_CTRL_FLAG_UNIDIRECTIONAL) {
|
|
flags_copy |= SPDYLAY_CTRL_FLAG_UNIDIRECTIONAL;
|
|
}
|
|
spdylay_frame_syn_stream_init(&frame->syn_stream,
|
|
session->version, flags_copy,
|
|
0, assoc_stream_id, pri, nv_copy);
|
|
r = spdylay_session_add_frame(session, SPDYLAY_CTRL, frame,
|
|
aux_data);
|
|
if(r != 0) {
|
|
spdylay_frame_syn_stream_free(&frame->syn_stream);
|
|
free(frame);
|
|
free(aux_data);
|
|
free(data_prd_copy);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int spdylay_submit_syn_stream(spdylay_session *session, uint8_t flags,
|
|
int32_t assoc_stream_id, uint8_t pri,
|
|
const char **nv, void *stream_user_data)
|
|
{
|
|
return spdylay_submit_syn_stream_shared(session, flags, assoc_stream_id,
|
|
pri, nv, NULL, stream_user_data);
|
|
}
|
|
|
|
int spdylay_submit_syn_reply(spdylay_session *session, uint8_t flags,
|
|
int32_t stream_id, const char **nv)
|
|
{
|
|
int r;
|
|
spdylay_frame *frame;
|
|
char **nv_copy;
|
|
uint8_t flags_copy;
|
|
frame = malloc(sizeof(spdylay_frame));
|
|
if(frame == NULL) {
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
nv_copy = spdylay_frame_nv_norm_copy(nv);
|
|
if(nv_copy == NULL) {
|
|
free(frame);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
flags_copy = 0;
|
|
if(flags & SPDYLAY_CTRL_FLAG_FIN) {
|
|
flags_copy |= SPDYLAY_CTRL_FLAG_FIN;
|
|
}
|
|
spdylay_frame_syn_reply_init(&frame->syn_reply, session->version, flags_copy,
|
|
stream_id, nv_copy);
|
|
r = spdylay_session_add_frame(session, SPDYLAY_CTRL, frame, NULL);
|
|
if(r != 0) {
|
|
spdylay_frame_syn_reply_free(&frame->syn_reply);
|
|
free(frame);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int spdylay_submit_headers(spdylay_session *session, uint8_t flags,
|
|
int32_t stream_id, const char **nv)
|
|
{
|
|
int r;
|
|
spdylay_frame *frame;
|
|
char **nv_copy;
|
|
uint8_t flags_copy;
|
|
frame = malloc(sizeof(spdylay_frame));
|
|
if(frame == NULL) {
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
nv_copy = spdylay_frame_nv_norm_copy(nv);
|
|
if(nv_copy == NULL) {
|
|
free(frame);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
flags_copy = 0;
|
|
if(flags & SPDYLAY_CTRL_FLAG_FIN) {
|
|
flags_copy |= SPDYLAY_CTRL_FLAG_FIN;
|
|
}
|
|
spdylay_frame_headers_init(&frame->headers, session->version, flags_copy,
|
|
stream_id, nv_copy);
|
|
r = spdylay_session_add_frame(session, SPDYLAY_CTRL, frame, NULL);
|
|
if(r != 0) {
|
|
spdylay_frame_headers_free(&frame->headers);
|
|
free(frame);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int spdylay_submit_ping(spdylay_session *session)
|
|
{
|
|
return spdylay_session_add_ping(session,
|
|
spdylay_session_get_next_unique_id(session));
|
|
}
|
|
|
|
int spdylay_submit_rst_stream(spdylay_session *session, int32_t stream_id,
|
|
uint32_t status_code)
|
|
{
|
|
return spdylay_session_add_rst_stream(session, stream_id, status_code);
|
|
}
|
|
|
|
int spdylay_submit_goaway(spdylay_session *session, uint32_t status_code)
|
|
{
|
|
return spdylay_session_add_goaway(session, session->last_recv_stream_id,
|
|
status_code);
|
|
}
|
|
|
|
int spdylay_submit_settings(spdylay_session *session, uint8_t flags,
|
|
const spdylay_settings_entry *iv, size_t niv)
|
|
{
|
|
spdylay_frame *frame;
|
|
spdylay_settings_entry *iv_copy;
|
|
int check[SPDYLAY_SETTINGS_MAX+1];
|
|
size_t i;
|
|
int r;
|
|
memset(check, 0, sizeof(check));
|
|
for(i = 0; i < niv; ++i) {
|
|
if(iv[i].settings_id > SPDYLAY_SETTINGS_MAX || iv[i].settings_id == 0 ||
|
|
check[iv[i].settings_id] == 1) {
|
|
return SPDYLAY_ERR_INVALID_ARGUMENT;
|
|
} else {
|
|
check[iv[i].settings_id] = 1;
|
|
}
|
|
}
|
|
frame = malloc(sizeof(spdylay_frame));
|
|
if(frame == NULL) {
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
iv_copy = spdylay_frame_iv_copy(iv, niv);
|
|
if(iv_copy == NULL) {
|
|
free(frame);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
spdylay_frame_iv_sort(iv_copy, niv);
|
|
spdylay_frame_settings_init(&frame->settings, session->version,
|
|
flags, iv_copy, niv);
|
|
r = spdylay_session_add_frame(session, SPDYLAY_CTRL, frame, NULL);
|
|
if(r == 0) {
|
|
spdylay_session_update_local_settings(session, iv_copy, niv);
|
|
} else {
|
|
spdylay_frame_settings_free(&frame->settings);
|
|
free(frame);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int spdylay_submit_window_update(spdylay_session *session, int32_t stream_id,
|
|
int32_t delta_window_size)
|
|
{
|
|
spdylay_stream *stream;
|
|
stream = spdylay_session_get_stream(session, stream_id);
|
|
if(stream) {
|
|
delta_window_size = spdylay_min(delta_window_size,
|
|
stream->recv_window_size);
|
|
if(delta_window_size > 0) {
|
|
stream->recv_window_size -= delta_window_size;
|
|
return spdylay_session_add_window_update(session, stream_id,
|
|
delta_window_size);
|
|
}
|
|
return 0;
|
|
} else {
|
|
return SPDYLAY_ERR_STREAM_CLOSED;
|
|
}
|
|
}
|
|
|
|
int spdylay_submit_request(spdylay_session *session, uint8_t pri,
|
|
const char **nv,
|
|
const spdylay_data_provider *data_prd,
|
|
void *stream_user_data)
|
|
{
|
|
int flags;
|
|
flags = 0;
|
|
if(data_prd == NULL || data_prd->read_callback == NULL) {
|
|
flags |= SPDYLAY_CTRL_FLAG_FIN;
|
|
}
|
|
return spdylay_submit_syn_stream_shared(session, flags, 0, pri, nv, data_prd,
|
|
stream_user_data);
|
|
}
|
|
|
|
int spdylay_submit_response(spdylay_session *session,
|
|
int32_t stream_id, const char **nv,
|
|
const spdylay_data_provider *data_prd)
|
|
{
|
|
int r;
|
|
spdylay_frame *frame;
|
|
char **nv_copy;
|
|
uint8_t flags = 0;
|
|
spdylay_data_provider *data_prd_copy = NULL;
|
|
if(data_prd != NULL && data_prd->read_callback != NULL) {
|
|
data_prd_copy = malloc(sizeof(spdylay_data_provider));
|
|
if(data_prd_copy == NULL) {
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
*data_prd_copy = *data_prd;
|
|
}
|
|
frame = malloc(sizeof(spdylay_frame));
|
|
if(frame == NULL) {
|
|
free(data_prd_copy);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
nv_copy = spdylay_frame_nv_norm_copy(nv);
|
|
if(nv_copy == NULL) {
|
|
free(frame);
|
|
free(data_prd_copy);
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
if(data_prd_copy == NULL) {
|
|
flags |= SPDYLAY_CTRL_FLAG_FIN;
|
|
}
|
|
spdylay_frame_syn_reply_init(&frame->syn_reply, session->version, flags,
|
|
stream_id, nv_copy);
|
|
r = spdylay_session_add_frame(session, SPDYLAY_CTRL, frame,
|
|
data_prd_copy);
|
|
if(r != 0) {
|
|
spdylay_frame_syn_reply_free(&frame->syn_reply);
|
|
free(frame);
|
|
free(data_prd_copy);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int spdylay_submit_data(spdylay_session *session, int32_t stream_id,
|
|
uint8_t flags,
|
|
const spdylay_data_provider *data_prd)
|
|
{
|
|
int r;
|
|
spdylay_data *data_frame;
|
|
uint8_t nflags = 0;
|
|
data_frame = malloc(sizeof(spdylay_frame));
|
|
if(data_frame == NULL) {
|
|
return SPDYLAY_ERR_NOMEM;
|
|
}
|
|
if(flags & SPDYLAY_DATA_FLAG_FIN) {
|
|
nflags |= SPDYLAY_DATA_FLAG_FIN;
|
|
}
|
|
spdylay_frame_data_init(data_frame, stream_id, nflags, data_prd);
|
|
r = spdylay_session_add_frame(session, SPDYLAY_DATA, data_frame, NULL);
|
|
if(r != 0) {
|
|
spdylay_frame_data_free(data_frame);
|
|
free(data_frame);
|
|
}
|
|
return r;
|
|
}
|