/*************************************************************************/ /* emws_peer.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2019 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 "emws_peer.h" #include "core/io/ip.h" void EMWSPeer::set_sock(int p_sock, unsigned int p_in_buf_size, unsigned int p_in_pkt_size) { peer_sock = p_sock; _in_buffer.resize(p_in_pkt_size, p_in_buf_size); _packet_buffer.resize((1 << p_in_buf_size)); } void EMWSPeer::set_write_mode(WriteMode p_mode) { write_mode = p_mode; } EMWSPeer::WriteMode EMWSPeer::get_write_mode() const { return write_mode; } Error EMWSPeer::read_msg(uint8_t *p_data, uint32_t p_size, bool p_is_string) { uint8_t is_string = p_is_string ? 1 : 0; return _in_buffer.write_packet(p_data, p_size, &is_string); } Error EMWSPeer::put_packet(const uint8_t *p_buffer, int p_buffer_size) { int is_bin = write_mode == WebSocketPeer::WRITE_MODE_BINARY ? 1 : 0; /* clang-format off */ EM_ASM({ var sock = Module.IDHandler.get($0); var bytes_array = new Uint8Array($2); var i = 0; for(i=0; i<$2; i++) { bytes_array[i] = getValue($1+i, 'i8'); } if ($3) { sock.send(bytes_array.buffer); } else { var string = new TextDecoder("utf-8").decode(bytes_array); sock.send(string); } }, peer_sock, p_buffer, p_buffer_size, is_bin); /* clang-format on */ return OK; }; Error EMWSPeer::get_packet(const uint8_t **r_buffer, int &r_buffer_size) { if (_in_buffer.packets_left() == 0) return ERR_UNAVAILABLE; PoolVector<uint8_t>::Write rw = _packet_buffer.write(); int read = 0; Error err = _in_buffer.read_packet(rw.ptr(), _packet_buffer.size(), &_is_string, read); ERR_FAIL_COND_V(err != OK, err); *r_buffer = rw.ptr(); r_buffer_size = read; return OK; }; int EMWSPeer::get_available_packet_count() const { return _in_buffer.packets_left(); }; bool EMWSPeer::was_string_packet() const { return _is_string; }; bool EMWSPeer::is_connected_to_host() const { return peer_sock != -1; }; void EMWSPeer::close(int p_code, String p_reason) { if (peer_sock != -1) { /* clang-format off */ EM_ASM({ var sock = Module.IDHandler.get($0); var code = $1; var reason = UTF8ToString($2); sock.close(code, reason); Module.IDHandler.remove($0); }, peer_sock, p_code, p_reason.utf8().get_data()); /* clang-format on */ } _is_string = 0; _in_buffer.clear(); peer_sock = -1; }; IP_Address EMWSPeer::get_connected_host() const { ERR_FAIL_V_MSG(IP_Address(), "Not supported in HTML5 export."); }; uint16_t EMWSPeer::get_connected_port() const { ERR_FAIL_V_MSG(0, "Not supported in HTML5 export."); }; EMWSPeer::EMWSPeer() { peer_sock = -1; write_mode = WRITE_MODE_BINARY; close(); }; EMWSPeer::~EMWSPeer() { close(); }; #endif // JAVASCRIPT_ENABLED