diff options
Diffstat (limited to 'modules/webrtc/webrtc_peer_js.cpp')
| -rw-r--r-- | modules/webrtc/webrtc_peer_js.cpp | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/modules/webrtc/webrtc_peer_js.cpp b/modules/webrtc/webrtc_peer_js.cpp deleted file mode 100644 index 1282e075ab..0000000000 --- a/modules/webrtc/webrtc_peer_js.cpp +++ /dev/null @@ -1,455 +0,0 @@ -/*************************************************************************/ -/* webrtc_peer_js.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2018 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 JAVASCRIPT_ENABLED - -#include "webrtc_peer_js.h" -#include "emscripten.h" - -extern "C" { -EMSCRIPTEN_KEEPALIVE void _emrtc_on_ice_candidate(void *obj, char *p_MidName, int p_MlineIndexName, char *p_sdpName) { - WebRTCPeerJS *peer = static_cast<WebRTCPeerJS *>(obj); - peer->emit_signal("new_ice_candidate", String(p_MidName), p_MlineIndexName, String(p_sdpName)); -} - -EMSCRIPTEN_KEEPALIVE void _emrtc_offer_created(void *obj, char *p_type, char *p_offer) { - WebRTCPeerJS *peer = static_cast<WebRTCPeerJS *>(obj); - peer->emit_signal("offer_created", String(p_type), String(p_offer)); -} - -EMSCRIPTEN_KEEPALIVE void _emrtc_on_error(void *obj) { - WebRTCPeerJS *peer = static_cast<WebRTCPeerJS *>(obj); - peer->_on_error(); -} - -EMSCRIPTEN_KEEPALIVE void _emrtc_on_open(void *obj) { - WebRTCPeerJS *peer = static_cast<WebRTCPeerJS *>(obj); - peer->_on_open(); -} - -EMSCRIPTEN_KEEPALIVE void _emrtc_on_close(void *obj) { - WebRTCPeerJS *peer = static_cast<WebRTCPeerJS *>(obj); - peer->_on_close(); -} - -EMSCRIPTEN_KEEPALIVE void _emrtc_on_message(void *obj, uint8_t *p_data, uint32_t p_size, bool p_is_string) { - WebRTCPeerJS *peer = static_cast<WebRTCPeerJS *>(obj); - peer->_on_message(p_data, p_size, p_is_string); -} - -EMSCRIPTEN_KEEPALIVE void _emrtc_bind_channel(int p_id) { - /* clang-format off */ - EM_ASM({ - if (!Module.IDHandler.has($0)) { - return; // Godot Object is gone! - } - var dict = Module.IDHandler.get($0); - var channel = dict["channel"]; - var c_ptr = dict["ptr"]; - - channel.onopen = function (evt) { - ccall("_emrtc_on_open", - "void", - ["number"], - [c_ptr] - ); - }; - channel.onclose = function (evt) { - ccall("_emrtc_on_close", - "void", - ["number"], - [c_ptr] - ); - }; - channel.onerror = function (evt) { - ccall("_emrtc_on_error", - "void", - ["number"], - [c_ptr] - ); - }; - - channel.binaryType = "arraybuffer"; - channel.onmessage = function(event) { - var buffer; - var is_string = 0; - if (event.data instanceof ArrayBuffer) { - - buffer = new Uint8Array(event.data); - - } else if (event.data instanceof Blob) { - - alert("Blob type not supported"); - return; - - } else if (typeof event.data === "string") { - - is_string = 1; - var enc = new TextEncoder("utf-8"); - buffer = new Uint8Array(enc.encode(event.data)); - - } else { - - alert("Unknown message type"); - return; - - } - var len = buffer.length*buffer.BYTES_PER_ELEMENT; - var out = Module._malloc(len); - Module.HEAPU8.set(buffer, out); - ccall("_emrtc_on_message", - "void", - ["number", "number", "number", "number"], - [c_ptr, out, len, is_string] - ); - Module._free(out); - } - }, p_id); - /* clang-format on */ -} -} - -void _emrtc_create_pc(int p_id) { - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - var c_ptr = dict["ptr"]; - // Setup local connaction - var conn = new RTCPeerConnection(); - conn.onicecandidate = function(event) { - if (!Module.IDHandler.get($0)) return; - if (!event.candidate) return; - - var c = event.candidate; - // should emit on ice candidate - ccall("_emrtc_on_ice_candidate", - "void", - ["number", "string", "number", "string"], - [c_ptr, c.sdpMid, c.sdpMLineIndex, c.candidate] - ); - }; - conn.ondatachannel = function (evt) { - var dict = Module.IDHandler.get($0); - if (!dict || dict["channel"]) { - return; - } - var channel = evt.channel; - dict["channel"] = channel; - ccall("_emrtc_bind_channel", - "void", - ["number"], - [$0] - ); - }; - dict["conn"] = conn; - }, p_id); - /* clang-format on */ -} - -void WebRTCPeerJS::_on_open() { - in_buffer.resize(16); - _conn_state = STATE_CONNECTED; -} - -void WebRTCPeerJS::_on_close() { - close(); -} - -void WebRTCPeerJS::_on_error() { - close(); - _conn_state = STATE_FAILED; -} - -void WebRTCPeerJS::_on_message(uint8_t *p_data, uint32_t p_size, bool p_is_string) { - if (in_buffer.space_left() < p_size + 5) { - ERR_EXPLAIN("Buffer full! Dropping data"); - ERR_FAIL(); - } - - uint8_t is_string = p_is_string ? 1 : 0; - in_buffer.write((uint8_t *)&p_size, 4); - in_buffer.write((uint8_t *)&is_string, 1); - in_buffer.write(p_data, p_size); - queue_count++; -} - -void WebRTCPeerJS::close() { - in_buffer.resize(0); - queue_count = 0; - _was_string = false; - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - if (!dict) return; - if (dict["channel"]) { - dict["channel"].close(); - dict["channel"] = null; - } - if (dict["conn"]) { - dict["conn"].close(); - } - }, _js_id); - /* clang-format on */ - _conn_state = STATE_CLOSED; -} - -Error WebRTCPeerJS::create_offer() { - ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED); - - _conn_state = STATE_CONNECTING; - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - var conn = dict["conn"]; - var c_ptr = dict["ptr"]; - var onError = function(error) { - console.log(error); - ccall("_emrtc_on_error", - "void", - ["number"], - [c_ptr] - ); - }; - var onCreated = function(offer) { - ccall("_emrtc_offer_created", - "void", - ["number", "string", "string"], - [c_ptr, offer.type, offer.sdp] - ); - }; - - var channel = conn.createDataChannel("default"); - dict["channel"] = channel; - ccall("_emrtc_bind_channel", - "void", - ["number"], - [$0] - ); - conn.createOffer().then(onCreated).catch(onError); - }, _js_id); - /* clang-format on */ - return OK; -} - -Error WebRTCPeerJS::set_local_description(String type, String sdp) { - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - var conn = dict["conn"]; - var c_ptr = dict["ptr"]; - var type = UTF8ToString($1); - var sdp = UTF8ToString($2); - var onError = function(error) { - console.log(error); - ccall("_emrtc_on_error", - "void", - ["number"], - [c_ptr] - ); - }; - conn.setLocalDescription({ - "sdp": sdp, - "type": type - }).catch(onError); - }, _js_id, type.utf8().get_data(), sdp.utf8().get_data()); - /* clang-format on */ - return OK; -} - -Error WebRTCPeerJS::set_remote_description(String type, String sdp) { - if (type == "offer") { - ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED); - _conn_state = STATE_CONNECTING; - } - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - var conn = dict["conn"]; - var c_ptr = dict["ptr"]; - var type = UTF8ToString($1); - var sdp = UTF8ToString($2); - - var onError = function(error) { - console.log(error); - ccall("_emrtc_on_error", - "void", - ["number"], - [c_ptr] - ); - }; - var onCreated = function(offer) { - ccall("_emrtc_offer_created", - "void", - ["number", "string", "string"], - [c_ptr, offer.type, offer.sdp] - ); - }; - var onSet = function() { - if (type != "offer") { - return; - } - conn.createAnswer().then(onCreated); - }; - conn.setRemoteDescription({ - "sdp": sdp, - "type": type - }).then(onSet).catch(onError); - }, _js_id, type.utf8().get_data(), sdp.utf8().get_data()); - /* clang-format on */ - return OK; -} - -Error WebRTCPeerJS::add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) { - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - var conn = dict["conn"]; - var c_ptr = dict["ptr"]; - var sdpMidName = UTF8ToString($1); - var sdpMlineIndexName = UTF8ToString($2); - var sdpName = UTF8ToString($3); - conn.addIceCandidate(new RTCIceCandidate({ - "candidate": sdpName, - "sdpMid": sdpMidName, - "sdpMlineIndex": sdpMlineIndexName - })); - }, _js_id, sdpMidName.utf8().get_data(), sdpMlineIndexName, sdpName.utf8().get_data()); - /* clang-format on */ - return OK; -} - -Error WebRTCPeerJS::poll() { - return OK; -} - -WebRTCPeer::ConnectionState WebRTCPeerJS::get_connection_state() const { - return _conn_state; -} - -int WebRTCPeerJS::get_available_packet_count() const { - return queue_count; -} - -Error WebRTCPeerJS::get_packet(const uint8_t **r_buffer, int &r_buffer_size) { - ERR_FAIL_COND_V(_conn_state != STATE_CONNECTED, ERR_UNCONFIGURED); - - if (queue_count == 0) - return ERR_UNAVAILABLE; - - uint32_t to_read = 0; - uint32_t left = 0; - uint8_t is_string = 0; - r_buffer_size = 0; - - in_buffer.read((uint8_t *)&to_read, 4); - --queue_count; - left = in_buffer.data_left(); - - if (left < to_read + 1) { - in_buffer.advance_read(left); - return FAILED; - } - - in_buffer.read(&is_string, 1); - _was_string = is_string == 1; - in_buffer.read(packet_buffer, to_read); - *r_buffer = packet_buffer; - r_buffer_size = to_read; - - return OK; -} - -Error WebRTCPeerJS::put_packet(const uint8_t *p_buffer, int p_buffer_size) { - ERR_FAIL_COND_V(_conn_state != STATE_CONNECTED, ERR_UNCONFIGURED); - - int is_bin = _write_mode == WebRTCPeer::WRITE_MODE_BINARY ? 1 : 0; - - /* clang-format off */ - EM_ASM({ - var dict = Module.IDHandler.get($0); - var channel = dict["channel"]; - var bytes_array = new Uint8Array($2); - var i = 0; - - for(i=0; i<$2; i++) { - bytes_array[i] = getValue($1+i, 'i8'); - } - - if ($3) { - channel.send(bytes_array.buffer); - } else { - var string = new TextDecoder("utf-8").decode(bytes_array); - channel.send(string); - } - }, _js_id, p_buffer, p_buffer_size, is_bin); - /* clang-format on */ - - return OK; -} - -int WebRTCPeerJS::get_max_packet_size() const { - return 1200; -} - -void WebRTCPeerJS::set_write_mode(WriteMode p_mode) { - _write_mode = p_mode; -} - -WebRTCPeer::WriteMode WebRTCPeerJS::get_write_mode() const { - return _write_mode; -} - -bool WebRTCPeerJS::was_string_packet() const { - return _was_string; -} - -WebRTCPeerJS::WebRTCPeerJS() { - queue_count = 0; - _was_string = false; - _write_mode = WRITE_MODE_BINARY; - _conn_state = STATE_NEW; - - /* clang-format off */ - _js_id = EM_ASM_INT({ - return Module.IDHandler.add({"conn": null, "ptr": $0, "channel": null}); - }, this); - /* clang-format on */ - _emrtc_create_pc(_js_id); -} - -WebRTCPeerJS::~WebRTCPeerJS() { - close(); - /* clang-format off */ - EM_ASM({ - Module.IDHandler.remove($0); - }, _js_id); - /* clang-format on */ -}; -#endif |