| 1 | /**************************************************************************/ |
| 2 | /* net_socket_posix.h */ |
| 3 | /**************************************************************************/ |
| 4 | /* This file is part of: */ |
| 5 | /* GODOT ENGINE */ |
| 6 | /* https://godotengine.org */ |
| 7 | /**************************************************************************/ |
| 8 | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ |
| 9 | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ |
| 10 | /* */ |
| 11 | /* Permission is hereby granted, free of charge, to any person obtaining */ |
| 12 | /* a copy of this software and associated documentation files (the */ |
| 13 | /* "Software"), to deal in the Software without restriction, including */ |
| 14 | /* without limitation the rights to use, copy, modify, merge, publish, */ |
| 15 | /* distribute, sublicense, and/or sell copies of the Software, and to */ |
| 16 | /* permit persons to whom the Software is furnished to do so, subject to */ |
| 17 | /* the following conditions: */ |
| 18 | /* */ |
| 19 | /* The above copyright notice and this permission notice shall be */ |
| 20 | /* included in all copies or substantial portions of the Software. */ |
| 21 | /* */ |
| 22 | /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ |
| 23 | /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ |
| 24 | /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ |
| 25 | /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ |
| 26 | /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ |
| 27 | /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ |
| 28 | /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 29 | /**************************************************************************/ |
| 30 | |
| 31 | #ifndef NET_SOCKET_POSIX_H |
| 32 | #define NET_SOCKET_POSIX_H |
| 33 | |
| 34 | #include "core/io/net_socket.h" |
| 35 | |
| 36 | #if defined(WINDOWS_ENABLED) |
| 37 | #include <winsock2.h> |
| 38 | #include <ws2tcpip.h> |
| 39 | #define SOCKET_TYPE SOCKET |
| 40 | |
| 41 | #else |
| 42 | #include <sys/socket.h> |
| 43 | #define SOCKET_TYPE int |
| 44 | |
| 45 | #endif |
| 46 | |
| 47 | class NetSocketPosix : public NetSocket { |
| 48 | private: |
| 49 | SOCKET_TYPE _sock; // NOLINT - the default value is defined in the .cpp |
| 50 | IP::Type _ip_type = IP::TYPE_NONE; |
| 51 | bool _is_stream = false; |
| 52 | |
| 53 | enum NetError { |
| 54 | ERR_NET_WOULD_BLOCK, |
| 55 | ERR_NET_IS_CONNECTED, |
| 56 | ERR_NET_IN_PROGRESS, |
| 57 | ERR_NET_ADDRESS_INVALID_OR_UNAVAILABLE, |
| 58 | ERR_NET_UNAUTHORIZED, |
| 59 | ERR_NET_BUFFER_TOO_SMALL, |
| 60 | ERR_NET_OTHER, |
| 61 | }; |
| 62 | |
| 63 | NetError _get_socket_error() const; |
| 64 | void _set_socket(SOCKET_TYPE p_sock, IP::Type p_ip_type, bool p_is_stream); |
| 65 | _FORCE_INLINE_ Error _change_multicast_group(IPAddress p_ip, String p_if_name, bool p_add); |
| 66 | _FORCE_INLINE_ void _set_close_exec_enabled(bool p_enabled); |
| 67 | |
| 68 | protected: |
| 69 | static NetSocket *_create_func(); |
| 70 | |
| 71 | bool _can_use_ip(const IPAddress &p_ip, const bool p_for_bind) const; |
| 72 | |
| 73 | public: |
| 74 | static void make_default(); |
| 75 | static void cleanup(); |
| 76 | static void _set_ip_port(struct sockaddr_storage *p_addr, IPAddress *r_ip, uint16_t *r_port); |
| 77 | static size_t _set_addr_storage(struct sockaddr_storage *p_addr, const IPAddress &p_ip, uint16_t p_port, IP::Type p_ip_type); |
| 78 | |
| 79 | virtual Error open(Type p_sock_type, IP::Type &ip_type); |
| 80 | virtual void close(); |
| 81 | virtual Error bind(IPAddress p_addr, uint16_t p_port); |
| 82 | virtual Error listen(int p_max_pending); |
| 83 | virtual Error connect_to_host(IPAddress p_host, uint16_t p_port); |
| 84 | virtual Error poll(PollType p_type, int timeout) const; |
| 85 | virtual Error recv(uint8_t *p_buffer, int p_len, int &r_read); |
| 86 | virtual Error recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IPAddress &r_ip, uint16_t &r_port, bool p_peek = false); |
| 87 | virtual Error send(const uint8_t *p_buffer, int p_len, int &r_sent); |
| 88 | virtual Error sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IPAddress p_ip, uint16_t p_port); |
| 89 | virtual Ref<NetSocket> accept(IPAddress &r_ip, uint16_t &r_port); |
| 90 | |
| 91 | virtual bool is_open() const; |
| 92 | virtual int get_available_bytes() const; |
| 93 | virtual Error get_socket_address(IPAddress *r_ip, uint16_t *r_port) const; |
| 94 | |
| 95 | virtual Error set_broadcasting_enabled(bool p_enabled); |
| 96 | virtual void set_blocking_enabled(bool p_enabled); |
| 97 | virtual void set_ipv6_only_enabled(bool p_enabled); |
| 98 | virtual void set_tcp_no_delay_enabled(bool p_enabled); |
| 99 | virtual void set_reuse_address_enabled(bool p_enabled); |
| 100 | virtual void set_reuse_port_enabled(bool p_enabled); |
| 101 | virtual Error join_multicast_group(const IPAddress &p_multi_address, String p_if_name); |
| 102 | virtual Error leave_multicast_group(const IPAddress &p_multi_address, String p_if_name); |
| 103 | |
| 104 | NetSocketPosix(); |
| 105 | ~NetSocketPosix(); |
| 106 | }; |
| 107 | |
| 108 | #endif // NET_SOCKET_POSIX_H |
| 109 | |