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/*************************************************************************/
/* emws_peer.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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');
}
try {
if ($3) {
sock.send(bytes_array.buffer);
} else {
var string = new TextDecoder("utf-8").decode(bytes_array);
sock.send(string);
}
} catch (e) {
return 1;
}
return 0;
}, 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.");
};
void EMWSPeer::set_no_delay(bool p_enabled) {
ERR_FAIL_MSG("'set_no_delay' is not supported in HTML5 export.");
}
EMWSPeer::EMWSPeer() {
peer_sock = -1;
write_mode = WRITE_MODE_BINARY;
close();
};
EMWSPeer::~EMWSPeer() {
close();
};
#endif // JAVASCRIPT_ENABLED
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