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/*************************************************************************/
/* tcp_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 "tcp_server.h"
void TCP_Server::_bind_methods() {
ClassDB::bind_method(D_METHOD("listen", "port", "bind_address"), &TCP_Server::listen, DEFVAL("*"));
ClassDB::bind_method(D_METHOD("is_connection_available"), &TCP_Server::is_connection_available);
ClassDB::bind_method(D_METHOD("is_listening"), &TCP_Server::is_listening);
ClassDB::bind_method(D_METHOD("take_connection"), &TCP_Server::take_connection);
ClassDB::bind_method(D_METHOD("stop"), &TCP_Server::stop);
}
Error TCP_Server::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 the bind address is valid use its type as the socket type
if (p_bind_address.is_valid()) {
ip_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
}
err = _sock->open(NetSocket::TYPE_TCP, ip_type);
ERR_FAIL_COND_V(err != OK, 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) {
_sock->close();
return ERR_ALREADY_IN_USE;
}
err = _sock->listen(MAX_PENDING_CONNECTIONS);
if (err != OK) {
_sock->close();
return FAILED;
}
return OK;
}
bool TCP_Server::is_listening() const {
ERR_FAIL_COND_V(!_sock.is_valid(), false);
return _sock->is_open();
}
bool TCP_Server::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<StreamPeerTCP> TCP_Server::take_connection() {
Ref<StreamPeerTCP> conn;
if (!is_connection_available()) {
return conn;
}
Ref<NetSocket> ns;
IP_Address ip;
uint16_t port = 0;
ns = _sock->accept(ip, port);
if (!ns.is_valid()) {
return conn;
}
conn = Ref<StreamPeerTCP>(memnew(StreamPeerTCP));
conn->accept_socket(ns, ip, port);
return conn;
}
void TCP_Server::stop() {
if (_sock.is_valid()) {
_sock->close();
}
}
TCP_Server::TCP_Server() :
_sock(Ref<NetSocket>(NetSocket::create())) {
}
TCP_Server::~TCP_Server() {
stop();
}
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