diff options
Diffstat (limited to 'drivers/unix/socket_helpers.h')
| -rw-r--r-- | drivers/unix/socket_helpers.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/drivers/unix/socket_helpers.h b/drivers/unix/socket_helpers.h deleted file mode 100644 index 5b42c13eae..0000000000 --- a/drivers/unix/socket_helpers.h +++ /dev/null @@ -1,156 +0,0 @@ -/*************************************************************************/ -/* socket_helpers.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2018 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 SOCKET_HELPERS_H -#define SOCKET_HELPERS_H - -#include <string.h> - -#if defined(__MINGW32__) && (!defined(__MINGW64_VERSION_MAJOR) || __MINGW64_VERSION_MAJOR < 4) -// Workaround for mingw-w64 < 4.0 -#ifndef IPV6_V6ONLY -#define IPV6_V6ONLY 27 -#endif -#endif - -// helpers for sockaddr -> IP_Address and back, should work for posix and winsock. All implementations should use this - -static size_t _set_sockaddr(struct sockaddr_storage *p_addr, const IP_Address &p_ip, int p_port, IP::Type p_sock_type = IP::TYPE_ANY) { - - memset(p_addr, 0, sizeof(struct sockaddr_storage)); - - ERR_FAIL_COND_V(!p_ip.is_valid(), 0); - - // IPv6 socket - if (p_sock_type == IP::TYPE_IPV6 || p_sock_type == IP::TYPE_ANY) { - - // IPv6 only socket with IPv4 address - ERR_FAIL_COND_V(p_sock_type == IP::TYPE_IPV6 && p_ip.is_ipv4(), 0); - - struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr; - addr6->sin6_family = AF_INET6; - addr6->sin6_port = htons(p_port); - copymem(&addr6->sin6_addr.s6_addr, p_ip.get_ipv6(), 16); - return sizeof(sockaddr_in6); - - } else { // IPv4 socket - - // IPv4 socket with IPv6 address - ERR_FAIL_COND_V(!p_ip.is_ipv4(), 0); - - struct sockaddr_in *addr4 = (struct sockaddr_in *)p_addr; - addr4->sin_family = AF_INET; - addr4->sin_port = htons(p_port); // short, network byte order - copymem(&addr4->sin_addr.s_addr, p_ip.get_ipv4(), 16); - return sizeof(sockaddr_in); - }; -}; - -static size_t _set_listen_sockaddr(struct sockaddr_storage *p_addr, int p_port, IP::Type p_sock_type, const IP_Address p_bind_address) { - - memset(p_addr, 0, sizeof(struct sockaddr_storage)); - if (p_sock_type == IP::TYPE_IPV4) { - struct sockaddr_in *addr4 = (struct sockaddr_in *)p_addr; - addr4->sin_family = AF_INET; - addr4->sin_port = htons(p_port); - if (p_bind_address.is_valid()) { - copymem(&addr4->sin_addr.s_addr, p_bind_address.get_ipv4(), 4); - } else { - addr4->sin_addr.s_addr = INADDR_ANY; - } - return sizeof(sockaddr_in); - } else { - struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr; - - addr6->sin6_family = AF_INET6; - addr6->sin6_port = htons(p_port); - if (p_bind_address.is_valid()) { - copymem(&addr6->sin6_addr.s6_addr, p_bind_address.get_ipv6(), 16); - } else { - addr6->sin6_addr = in6addr_any; - } - return sizeof(sockaddr_in6); - }; -}; - -static int _socket_create(IP::Type &p_type, int type, int protocol) { - - ERR_FAIL_COND_V(p_type > IP::TYPE_ANY || p_type < IP::TYPE_NONE, ERR_INVALID_PARAMETER); - - int family = p_type == IP::TYPE_IPV4 ? AF_INET : AF_INET6; - int sockfd = socket(family, type, protocol); - - if (sockfd == -1 && p_type == IP::TYPE_ANY) { - // Careful here, changing the referenced parameter so the caller knows that we are using an IPv4 socket - // in place of a dual stack one, and further calls to _set_sock_addr will work as expected. - p_type = IP::TYPE_IPV4; - family = AF_INET; - sockfd = socket(family, type, protocol); - } - - ERR_FAIL_COND_V(sockfd == -1, -1); - - if (family == AF_INET6) { - // Select IPv4 over IPv6 mapping - int opt = p_type != IP::TYPE_ANY; - if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, (const char *)&opt, sizeof(opt)) != 0) { - WARN_PRINT("Unable to set/unset IPv4 address mapping over IPv6"); - } - } - if (protocol == IPPROTO_UDP && p_type != IP::TYPE_IPV6) { - // Enable broadcasting for UDP sockets if it's not IPv6 only (IPv6 has no broadcast option). - int broadcast = 1; - if (setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST, (char *)&broadcast, sizeof(broadcast)) != 0) { - WARN_PRINT("Error when enabling broadcasting"); - } - } - - return sockfd; -} - -static void _set_ip_addr_port(IP_Address &r_ip, int &r_port, struct sockaddr_storage *p_addr) { - - if (p_addr->ss_family == AF_INET) { - - struct sockaddr_in *addr4 = (struct sockaddr_in *)p_addr; - r_ip.set_ipv4((uint8_t *)&(addr4->sin_addr.s_addr)); - - r_port = ntohs(addr4->sin_port); - - } else if (p_addr->ss_family == AF_INET6) { - - struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr; - r_ip.set_ipv6(addr6->sin6_addr.s6_addr); - - r_port = ntohs(addr6->sin6_port); - }; -}; - -#endif |