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/*************************************************************************/
/* webrtc_peer_connection_js.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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. */
/*************************************************************************/
#ifdef WEB_ENABLED
#include "webrtc_peer_connection_js.h"
#include "webrtc_data_channel_js.h"
#include "emscripten.h"
void WebRTCPeerConnectionJS::_on_ice_candidate(void *p_obj, const char *p_mid_name, int p_mline_idx, const char *p_candidate) {
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
peer->emit_signal(SNAME("ice_candidate_created"), String(p_mid_name), p_mline_idx, String(p_candidate));
}
void WebRTCPeerConnectionJS::_on_session_created(void *p_obj, const char *p_type, const char *p_session) {
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
peer->emit_signal(SNAME("session_description_created"), String(p_type), String(p_session));
}
void WebRTCPeerConnectionJS::_on_connection_state_changed(void *p_obj, int p_state) {
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
peer->_conn_state = (ConnectionState)p_state;
}
void WebRTCPeerConnectionJS::_on_error(void *p_obj) {
ERR_PRINT("RTCPeerConnection error!");
}
void WebRTCPeerConnectionJS::_on_data_channel(void *p_obj, int p_id) {
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
peer->emit_signal(SNAME("data_channel_received"), Ref<WebRTCDataChannel>(memnew(WebRTCDataChannelJS(p_id))));
}
void WebRTCPeerConnectionJS::close() {
godot_js_rtc_pc_close(_js_id);
_conn_state = STATE_CLOSED;
}
Error WebRTCPeerConnectionJS::create_offer() {
ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
_conn_state = STATE_CONNECTING;
godot_js_rtc_pc_offer_create(_js_id, this, &_on_session_created, &_on_error);
return OK;
}
Error WebRTCPeerConnectionJS::set_local_description(String type, String sdp) {
godot_js_rtc_pc_local_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_error);
return OK;
}
Error WebRTCPeerConnectionJS::set_remote_description(String type, String sdp) {
if (type == "offer") {
ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
_conn_state = STATE_CONNECTING;
}
godot_js_rtc_pc_remote_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_session_created, &_on_error);
return OK;
}
Error WebRTCPeerConnectionJS::add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) {
godot_js_rtc_pc_ice_candidate_add(_js_id, sdpMidName.utf8().get_data(), sdpMlineIndexName, sdpName.utf8().get_data());
return OK;
}
Error WebRTCPeerConnectionJS::initialize(Dictionary p_config) {
if (_js_id) {
godot_js_rtc_pc_destroy(_js_id);
_js_id = 0;
}
_conn_state = STATE_NEW;
String config = Variant(p_config).to_json_string();
_js_id = godot_js_rtc_pc_create(config.utf8().get_data(), this, &_on_connection_state_changed, &_on_ice_candidate, &_on_data_channel);
return _js_id ? OK : FAILED;
}
Ref<WebRTCDataChannel> WebRTCPeerConnectionJS::create_data_channel(String p_channel, Dictionary p_channel_config) {
ERR_FAIL_COND_V(_conn_state != STATE_NEW, nullptr);
String config = Variant(p_channel_config).to_json_string();
int id = godot_js_rtc_pc_datachannel_create(_js_id, p_channel.utf8().get_data(), config.utf8().get_data());
ERR_FAIL_COND_V(id == 0, nullptr);
return memnew(WebRTCDataChannelJS(id));
}
Error WebRTCPeerConnectionJS::poll() {
return OK;
}
WebRTCPeerConnection::ConnectionState WebRTCPeerConnectionJS::get_connection_state() const {
return _conn_state;
}
WebRTCPeerConnectionJS::WebRTCPeerConnectionJS() {
_conn_state = STATE_NEW;
_js_id = 0;
Dictionary config;
initialize(config);
}
WebRTCPeerConnectionJS::~WebRTCPeerConnectionJS() {
close();
if (_js_id) {
godot_js_rtc_pc_destroy(_js_id);
_js_id = 0;
}
};
#endif
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