0ee0fa42e6
Using clang-tidy's `readability-braces-around-statements`. https://clang.llvm.org/extra/clang-tidy/checks/readability-braces-around-statements.html
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
/*************************************************************************/
|
|
/* udp_server.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. */
|
|
/*************************************************************************/
|
|
|
|
#include "udp_server.h"
|
|
|
|
void UDPServer::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("listen", "port", "bind_address"), &UDPServer::listen, DEFVAL("*"));
|
|
ClassDB::bind_method(D_METHOD("is_connection_available"), &UDPServer::is_connection_available);
|
|
ClassDB::bind_method(D_METHOD("is_listening"), &UDPServer::is_listening);
|
|
ClassDB::bind_method(D_METHOD("take_connection"), &UDPServer::take_connection);
|
|
ClassDB::bind_method(D_METHOD("stop"), &UDPServer::stop);
|
|
}
|
|
|
|
Error UDPServer::listen(uint16_t p_port, const IP_Address &p_bind_address) {
|
|
ERR_FAIL_COND_V(!_sock.is_valid(), ERR_UNAVAILABLE);
|
|
ERR_FAIL_COND_V(_sock->is_open(), ERR_ALREADY_IN_USE);
|
|
ERR_FAIL_COND_V(!p_bind_address.is_valid() && !p_bind_address.is_wildcard(), ERR_INVALID_PARAMETER);
|
|
|
|
Error err;
|
|
IP::Type ip_type = IP::TYPE_ANY;
|
|
|
|
if (p_bind_address.is_valid()) {
|
|
ip_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
|
|
}
|
|
|
|
err = _sock->open(NetSocket::TYPE_UDP, ip_type);
|
|
|
|
if (err != OK) {
|
|
return ERR_CANT_CREATE;
|
|
}
|
|
|
|
_sock->set_blocking_enabled(false);
|
|
_sock->set_reuse_address_enabled(true);
|
|
err = _sock->bind(p_bind_address, p_port);
|
|
|
|
if (err != OK) {
|
|
stop();
|
|
return err;
|
|
}
|
|
bind_address = p_bind_address;
|
|
bind_port = p_port;
|
|
return OK;
|
|
}
|
|
|
|
bool UDPServer::is_listening() const {
|
|
ERR_FAIL_COND_V(!_sock.is_valid(), false);
|
|
|
|
return _sock->is_open();
|
|
}
|
|
|
|
bool UDPServer::is_connection_available() const {
|
|
ERR_FAIL_COND_V(!_sock.is_valid(), false);
|
|
|
|
if (!_sock->is_open()) {
|
|
return false;
|
|
}
|
|
|
|
Error err = _sock->poll(NetSocket::POLL_TYPE_IN, 0);
|
|
return (err == OK);
|
|
}
|
|
|
|
Ref<PacketPeerUDP> UDPServer::take_connection() {
|
|
Ref<PacketPeerUDP> conn;
|
|
if (!is_connection_available()) {
|
|
return conn;
|
|
}
|
|
|
|
conn = Ref<PacketPeerUDP>(memnew(PacketPeerUDP));
|
|
conn->connect_socket(_sock);
|
|
_sock = Ref<NetSocket>(NetSocket::create());
|
|
listen(bind_port, bind_address);
|
|
return conn;
|
|
}
|
|
|
|
void UDPServer::stop() {
|
|
if (_sock.is_valid()) {
|
|
_sock->close();
|
|
}
|
|
bind_port = 0;
|
|
bind_address = IP_Address();
|
|
}
|
|
|
|
UDPServer::UDPServer() :
|
|
_sock(Ref<NetSocket>(NetSocket::create())) {
|
|
}
|
|
|
|
UDPServer::~UDPServer() {
|
|
stop();
|
|
}
|