141 lines
5.7 KiB
C++
141 lines
5.7 KiB
C++
/*************************************************************************/
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/* webrtc_peer_connection_js.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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 NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifdef JAVASCRIPT_ENABLED
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#include "webrtc_peer_connection_js.h"
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#include "webrtc_data_channel_js.h"
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#include "core/io/json.h"
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#include "emscripten.h"
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void WebRTCPeerConnectionJS::_on_ice_candidate(void *p_obj, const char *p_mid_name, int p_mline_idx, const char *p_candidate) {
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WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
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peer->emit_signal("ice_candidate_created", String(p_mid_name), p_mline_idx, String(p_candidate));
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}
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void WebRTCPeerConnectionJS::_on_session_created(void *p_obj, const char *p_type, const char *p_session) {
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WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
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peer->emit_signal("session_description_created", String(p_type), String(p_session));
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}
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void WebRTCPeerConnectionJS::_on_connection_state_changed(void *p_obj, int p_state) {
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WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
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peer->_conn_state = (ConnectionState)p_state;
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}
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void WebRTCPeerConnectionJS::_on_error(void *p_obj) {
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ERR_PRINT("RTCPeerConnection error!");
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}
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void WebRTCPeerConnectionJS::_on_data_channel(void *p_obj, int p_id) {
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WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
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peer->emit_signal("data_channel_received", Ref<WebRTCDataChannelJS>(new WebRTCDataChannelJS(p_id)));
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}
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void WebRTCPeerConnectionJS::close() {
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godot_js_rtc_pc_close(_js_id);
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_conn_state = STATE_CLOSED;
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}
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Error WebRTCPeerConnectionJS::create_offer() {
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ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
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_conn_state = STATE_CONNECTING;
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godot_js_rtc_pc_offer_create(_js_id, this, &_on_session_created, &_on_error);
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return OK;
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}
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Error WebRTCPeerConnectionJS::set_local_description(String type, String sdp) {
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godot_js_rtc_pc_local_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_error);
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return OK;
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}
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Error WebRTCPeerConnectionJS::set_remote_description(String type, String sdp) {
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if (type == "offer") {
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ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
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_conn_state = STATE_CONNECTING;
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}
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godot_js_rtc_pc_remote_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_session_created, &_on_error);
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return OK;
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}
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Error WebRTCPeerConnectionJS::add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) {
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godot_js_rtc_pc_ice_candidate_add(_js_id, sdpMidName.utf8().get_data(), sdpMlineIndexName, sdpName.utf8().get_data());
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return OK;
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}
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Error WebRTCPeerConnectionJS::initialize(Dictionary p_config) {
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if (_js_id) {
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godot_js_rtc_pc_destroy(_js_id);
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_js_id = 0;
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}
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_conn_state = STATE_NEW;
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String config = JSON::print(p_config);
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_js_id = godot_js_rtc_pc_create(config.utf8().get_data(), this, &_on_connection_state_changed, &_on_ice_candidate, &_on_data_channel);
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return _js_id ? OK : FAILED;
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}
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Ref<WebRTCDataChannel> WebRTCPeerConnectionJS::create_data_channel(String p_channel, Dictionary p_channel_config) {
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ERR_FAIL_COND_V(_conn_state != STATE_NEW, NULL);
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String config = JSON::print(p_channel_config);
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int id = godot_js_rtc_pc_datachannel_create(_js_id, p_channel.utf8().get_data(), config.utf8().get_data());
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ERR_FAIL_COND_V(id == 0, NULL);
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return memnew(WebRTCDataChannelJS(id));
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}
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Error WebRTCPeerConnectionJS::poll() {
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return OK;
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}
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WebRTCPeerConnection::ConnectionState WebRTCPeerConnectionJS::get_connection_state() const {
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return _conn_state;
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}
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WebRTCPeerConnectionJS::WebRTCPeerConnectionJS() {
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_conn_state = STATE_NEW;
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_js_id = 0;
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Dictionary config;
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initialize(config);
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}
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WebRTCPeerConnectionJS::~WebRTCPeerConnectionJS() {
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close();
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if (_js_id) {
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godot_js_rtc_pc_destroy(_js_id);
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_js_id = 0;
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}
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};
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#endif
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