/*************************************************************************/ /* packet_peer_udp.h */ /*************************************************************************/ /* 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. */ /*************************************************************************/ #ifndef PACKET_PEER_UDP_H #define PACKET_PEER_UDP_H #include "core/io/ip.h" #include "core/io/net_socket.h" #include "core/io/packet_peer.h" class UDPServer; class PacketPeerUDP : public PacketPeer { GDCLASS(PacketPeerUDP, PacketPeer); protected: enum { PACKET_BUFFER_SIZE = 65536 }; RingBuffer<uint8_t> rb; uint8_t recv_buffer[PACKET_BUFFER_SIZE]; uint8_t packet_buffer[PACKET_BUFFER_SIZE]; IP_Address packet_ip; int packet_port = 0; int queue_count = 0; IP_Address peer_addr; int peer_port = 0; bool connected = false; bool blocking = true; bool broadcast = false; UDPServer *udp_server = nullptr; Ref<NetSocket> _sock; static void _bind_methods(); String _get_packet_ip() const; Error _set_dest_address(const String &p_address, int p_port); Error _poll(); public: void set_blocking_mode(bool p_enable); Error listen(int p_port, const IP_Address &p_bind_address = IP_Address("*"), int p_recv_buffer_size = 65536); void close(); Error wait(); bool is_listening() const; Error connect_shared_socket(Ref<NetSocket> p_sock, IP_Address p_ip, uint16_t p_port, UDPServer *ref); // Used by UDPServer void disconnect_shared_socket(); // Used by UDPServer Error store_packet(IP_Address p_ip, uint32_t p_port, uint8_t *p_buf, int p_buf_size); // Used internally and by UDPServer Error connect_to_host(const IP_Address &p_host, int p_port); bool is_connected_to_host() const; IP_Address get_packet_address() const; int get_packet_port() const; void set_dest_address(const IP_Address &p_address, int p_port); Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override; Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override; int get_available_packet_count() const override; int get_max_packet_size() const override; void set_broadcast_enabled(bool p_enabled); Error join_multicast_group(IP_Address p_multi_address, String p_if_name); Error leave_multicast_group(IP_Address p_multi_address, String p_if_name); PacketPeerUDP(); ~PacketPeerUDP(); }; #endif // PACKET_PEER_UDP_H