159 lines
4.8 KiB
C++
159 lines
4.8 KiB
C++
/*************************************************************************/
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/* emws_peer.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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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 "emws_peer.h"
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#include "core/io/ip.h"
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void EMWSPeer::set_sock(int p_sock, unsigned int p_in_buf_size, unsigned int p_in_pkt_size) {
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peer_sock = p_sock;
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_in_buffer.resize(p_in_pkt_size, p_in_buf_size);
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_packet_buffer.resize((1 << p_in_buf_size));
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}
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void EMWSPeer::set_write_mode(WriteMode p_mode) {
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write_mode = p_mode;
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}
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EMWSPeer::WriteMode EMWSPeer::get_write_mode() const {
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return write_mode;
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}
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Error EMWSPeer::read_msg(uint8_t *p_data, uint32_t p_size, bool p_is_string) {
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uint8_t is_string = p_is_string ? 1 : 0;
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return _in_buffer.write_packet(p_data, p_size, &is_string);
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}
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Error EMWSPeer::put_packet(const uint8_t *p_buffer, int p_buffer_size) {
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int is_bin = write_mode == WebSocketPeer::WRITE_MODE_BINARY ? 1 : 0;
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/* clang-format off */
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EM_ASM({
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var sock = Module.IDHandler.get($0);
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var bytes_array = new Uint8Array($2);
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var i = 0;
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for(i=0; i<$2; i++) {
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bytes_array[i] = getValue($1+i, 'i8');
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}
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if ($3) {
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sock.send(bytes_array.buffer);
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} else {
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var string = new TextDecoder("utf-8").decode(bytes_array);
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sock.send(string);
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}
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}, peer_sock, p_buffer, p_buffer_size, is_bin);
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/* clang-format on */
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return OK;
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};
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Error EMWSPeer::get_packet(const uint8_t **r_buffer, int &r_buffer_size) {
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if (_in_buffer.packets_left() == 0)
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return ERR_UNAVAILABLE;
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PoolVector<uint8_t>::Write rw = _packet_buffer.write();
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int read = 0;
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Error err = _in_buffer.read_packet(rw.ptr(), _packet_buffer.size(), &_is_string, read);
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ERR_FAIL_COND_V(err != OK, err);
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*r_buffer = rw.ptr();
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r_buffer_size = read;
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return OK;
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};
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int EMWSPeer::get_available_packet_count() const {
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return _in_buffer.packets_left();
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};
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bool EMWSPeer::was_string_packet() const {
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return _is_string;
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};
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bool EMWSPeer::is_connected_to_host() const {
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return peer_sock != -1;
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};
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void EMWSPeer::close(int p_code, String p_reason) {
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if (peer_sock != -1) {
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/* clang-format off */
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EM_ASM({
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var sock = Module.IDHandler.get($0);
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var code = $1;
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var reason = UTF8ToString($2);
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sock.close(code, reason);
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Module.IDHandler.remove($0);
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}, peer_sock, p_code, p_reason.utf8().get_data());
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/* clang-format on */
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}
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_is_string = 0;
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_in_buffer.clear();
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peer_sock = -1;
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};
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IP_Address EMWSPeer::get_connected_host() const {
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ERR_FAIL_V_MSG(IP_Address(), "Not supported in HTML5 export.");
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};
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uint16_t EMWSPeer::get_connected_port() const {
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ERR_FAIL_V_MSG(0, "Not supported in HTML5 export.");
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};
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void EMWSPeer::set_no_delay(bool p_enabled) {
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ERR_FAIL_MSG("'set_no_delay' is not supported in HTML5 export.");
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}
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EMWSPeer::EMWSPeer() {
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peer_sock = -1;
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write_mode = WRITE_MODE_BINARY;
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close();
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};
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EMWSPeer::~EMWSPeer() {
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close();
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};
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#endif // JAVASCRIPT_ENABLED
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