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UDP sockets can be "connected" to filter packets from a specific source. In case of a bound socket (e.g. server), a new socket can be created on the same address/port that will receive all packets that are not filtered by a more specific socket (e.g. the previously connect socket). This way, a UDPServer can listen to new packets, and return a new PacketPeerUDP when receiving one, knowing that is a "new client".
59 lines
2.7 KiB
C++
59 lines
2.7 KiB
C++
/*************************************************************************/
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/* udp_server.h */
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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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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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#ifndef UDP_SERVER_H
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#define UDP_SERVER_H
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#include "core/io/net_socket.h"
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#include "core/io/packet_peer_udp.h"
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class UDPServer : public Reference {
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GDCLASS(UDPServer, Reference);
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protected:
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static void _bind_methods();
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int bind_port;
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IP_Address bind_address;
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Ref<NetSocket> _sock;
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public:
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Error listen(uint16_t p_port, const IP_Address &p_bind_address = IP_Address("*"));
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bool is_listening() const;
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bool is_connection_available() const;
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Ref<PacketPeerUDP> take_connection();
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void stop();
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UDPServer();
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~UDPServer();
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};
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#endif // UDP_SERVER_H
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