mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-17 21:25:40 +00:00
315 lines
8.9 KiB
C
315 lines
8.9 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file os_abstraction.h Network stuff has many things that needs to be
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* included and/or implemented by default.
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* All those things are in this file.
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*/
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#ifndef NETWORK_CORE_OS_ABSTRACTION_H
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#define NETWORK_CORE_OS_ABSTRACTION_H
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/* Include standard stuff per OS */
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#ifdef ENABLE_NETWORK
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/* Windows stuff */
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#if defined(WIN32) || defined(WIN64)
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#include <errno.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <windows.h>
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#define GET_LAST_ERROR() WSAGetLastError()
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#undef EWOULDBLOCK
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#define EWOULDBLOCK WSAEWOULDBLOCK
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/* Windows has some different names for some types */
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typedef unsigned long in_addr_t;
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#if !(defined(__MINGW32__) || defined(__CYGWIN__))
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/* Windows has some different names for some types */
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typedef SSIZE_T ssize_t;
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typedef int socklen_t;
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# define IPPROTO_IPV6 41
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#else
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#include "../../os/windows/win32.h"
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#include "../../core/alloc_func.hpp"
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#define AI_ADDRCONFIG 0x00000400 /* Resolution only if global address configured */
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#define IPV6_V6ONLY 27
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static inline int OTTDgetnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, DWORD hostlen, char *serv, DWORD servlen, int flags)
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{
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static int (WINAPI *getnameinfo)(const struct sockaddr *, socklen_t, char *, DWORD, char *, DWORD, int) = NULL;
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static bool first_time = true;
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if (first_time) {
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LoadLibraryList((Function*)&getnameinfo, "ws2_32.dll\0getnameinfo\0\0");
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first_time = false;
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}
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if (getnameinfo != NULL) return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
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strncpy(host, inet_ntoa(((struct sockaddr_in *)sa)->sin_addr), hostlen);
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return 0;
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}
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#define getnameinfo OTTDgetnameinfo
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static inline int OTTDgetaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
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{
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static int (WINAPI *getaddrinfo)(const char *, const char *, const struct addrinfo *, struct addrinfo **) = NULL;
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static bool first_time = true;
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if (first_time) {
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LoadLibraryList((Function*)&getaddrinfo, "ws2_32.dll\0getaddrinfo\0\0");
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first_time = false;
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}
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if (getaddrinfo != NULL) return getaddrinfo(nodename, servname, hints, res);
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*res = NULL;
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in_addr_t ip = inet_addr(nodename);
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if (ip == INADDR_NONE) {
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struct hostent *he = gethostbyname(nodename);
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if (he == NULL) return EAI_NONAME;
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ip = (*(struct in_addr *)he->h_addr).s_addr;
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}
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struct sockaddr_in *sin = CallocT<struct sockaddr_in>(1);
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sin->sin_family = AF_INET;
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sin->sin_port = htons(strtoul(servname, NULL, 10));
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sin->sin_addr.s_addr = ip;
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struct addrinfo *ai = CallocT<struct addrinfo>(1);
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ai->ai_family = PF_INET;
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ai->ai_addr = (struct sockaddr*)sin;
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ai->ai_addrlen = sizeof(*sin);
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ai->ai_socktype = hints->ai_socktype;
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*res = ai;
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return 0;
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}
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#define getaddrinfo OTTDgetaddrinfo
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static inline void OTTDfreeaddrinfo(struct addrinfo *ai)
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{
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static int (WINAPI *freeaddrinfo)(struct addrinfo *) = NULL;
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static bool first_time = true;
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if (ai == NULL) return;
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if (first_time) {
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LoadLibraryList((Function*)&freeaddrinfo, "ws2_32.dll\0freeaddrinfo\0\0");
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first_time = false;
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}
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if (freeaddrinfo != NULL) {
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freeaddrinfo(ai);
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return;
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}
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do {
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struct addrinfo *next = ai->ai_next;
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free(ai->ai_addr);
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free(ai);
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ai = next;
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} while (ai != NULL);
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}
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#define freeaddrinfo OTTDfreeaddrinfo
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#endif /* __MINGW32__ && __CYGWIN__ */
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#endif /* WIN32 */
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/* UNIX stuff */
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#if defined(UNIX) && !defined(__OS2__)
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# if defined(OPENBSD) || defined(__NetBSD__)
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# define AI_ADDRCONFIG 0
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# endif
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# define SOCKET int
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# define INVALID_SOCKET -1
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# if !defined(__MORPHOS__) && !defined(__AMIGA__)
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# define ioctlsocket ioctl
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# if !defined(BEOS_NET_SERVER)
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# define closesocket close
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# endif
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# define GET_LAST_ERROR() (errno)
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# endif
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/* Need this for FIONREAD on solaris */
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# define BSD_COMP
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/* Includes needed for UNIX-like systems */
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# include <unistd.h>
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# include <sys/ioctl.h>
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# if defined(__BEOS__) && defined(BEOS_NET_SERVER)
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# include <be/net/socket.h>
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# include <be/kernel/OS.h> /* snooze() */
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# include <be/net/netdb.h>
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typedef unsigned long in_addr_t;
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# define INADDR_NONE INADDR_BROADCAST
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# else
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# include <sys/socket.h>
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# include <netinet/in.h>
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# include <netinet/tcp.h>
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# include <arpa/inet.h>
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# include <net/if.h>
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/* According to glibc/NEWS, <ifaddrs.h> appeared in glibc-2.3. */
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# if !defined(__sgi__) && !defined(SUNOS) && !defined(__MORPHOS__) && !defined(__BEOS__) && !defined(__HAIKU__) && !defined(__INNOTEK_LIBC__) \
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&& !(defined(__GLIBC__) && (__GLIBC__ <= 2) && (__GLIBC_MINOR__ <= 2)) && !defined(__dietlibc__) && !defined(HPUX)
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/* If for any reason ifaddrs.h does not exist on your system, comment out
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* the following two lines and an alternative way will be used to fetch
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* the list of IPs from the system. */
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# include <ifaddrs.h>
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# define HAVE_GETIFADDRS
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# endif
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# if !defined(INADDR_NONE)
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# define INADDR_NONE 0xffffffff
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# endif
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# if defined(__BEOS__) && !defined(BEOS_NET_SERVER)
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/* needed on Zeta */
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# include <sys/sockio.h>
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# endif
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# endif /* BEOS_NET_SERVER */
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# if !defined(__BEOS__) && defined(__GLIBC__) && (__GLIBC__ <= 2) && (__GLIBC_MINOR__ <= 1)
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typedef uint32_t in_addr_t;
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# endif
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# include <errno.h>
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# include <sys/time.h>
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# include <netdb.h>
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#endif /* UNIX */
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#ifdef __BEOS__
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typedef int socklen_t;
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#endif
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#ifdef __HAIKU__
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#define IPV6_V6ONLY 27
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#endif
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#if defined(PSP)
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# include <sys/socket.h>
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# include <netinet/in.h>
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# include <arpa/inet.h>
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# include <pspnet.h>
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# include <pspnet_inet.h>
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# include <pspnet_apctl.h>
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# include <pspnet_resolver.h>
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# include <errno.h>
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# include <unistd.h>
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# include <sys/select.h>
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# include <sys/time.h>
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# include <sys/fd_set.h>
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# define TCP_NODELAY 1
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# define SO_NONBLOCK 0x1009
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# define SOCKET int
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# define INVALID_SOCKET -1
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# define INADDR_NONE 0xffffffff
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# define closesocket close
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# define GET_LAST_ERROR() sceNetInetGetErrno()
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#endif /* PSP */
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/* OS/2 stuff */
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#if defined(__OS2__)
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# define SOCKET int
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# define INVALID_SOCKET -1
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# define ioctlsocket ioctl
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# define closesocket close
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# define GET_LAST_ERROR() (sock_errno())
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/* Includes needed for OS/2 systems */
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# include <types.h>
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# include <unistd.h>
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# include <sys/ioctl.h>
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# include <sys/socket.h>
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# include <netinet/in.h>
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# include <netinet/tcp.h>
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# include <arpa/inet.h>
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# include <net/if.h>
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# include <errno.h>
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# include <sys/time.h>
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# include <netdb.h>
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# include <nerrno.h>
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# define INADDR_NONE 0xffffffff
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typedef int socklen_t;
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#if !defined(__INNOTEK_LIBC__)
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typedef unsigned long in_addr_t;
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#endif /* __INNOTEK_LIBC__ */
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#endif /* OS/2 */
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/* MorphOS and Amiga stuff */
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#if defined(__MORPHOS__) || defined(__AMIGA__)
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# include <exec/types.h>
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# include <proto/exec.h> /* required for Open/CloseLibrary() */
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/* MorphOS defines his network functions with UBYTE arrays while we
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* use char arrays. This gives tons of unneeded warnings */
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# define UBYTE char
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# if defined(__MORPHOS__)
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# include <sys/filio.h> /* FIO* defines */
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# include <sys/sockio.h> /* SIO* defines */
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# include <netinet/in.h>
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# else /* __AMIGA__ */
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# include <proto/socket.h>
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# endif
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/* Make the names compatible */
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# define closesocket(s) CloseSocket(s)
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# define GET_LAST_ERROR() Errno()
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# define ioctlsocket(s, request, status) IoctlSocket((LONG)s, (ULONG)request, (char*)status)
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# define ioctl ioctlsocket
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typedef unsigned int in_addr_t;
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typedef long socklen_t;
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extern struct Library *SocketBase;
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# ifdef __AMIGA__
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/* for usleep() implementation */
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extern struct Device *TimerBase;
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extern struct MsgPort *TimerPort;
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extern struct timerequest *TimerRequest;
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# endif
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#endif /* __MORPHOS__ || __AMIGA__ */
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static inline bool SetNonBlocking(SOCKET d)
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{
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#ifdef WIN32
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u_long nonblocking = 1;
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#else
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int nonblocking = 1;
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#endif
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#if (defined(__BEOS__) && defined(BEOS_NET_SERVER)) || defined(PSP)
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return setsockopt(d, SOL_SOCKET, SO_NONBLOCK, &nonblocking, sizeof(nonblocking)) == 0;
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#else
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return ioctlsocket(d, FIONBIO, &nonblocking) == 0;
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#endif
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}
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static inline bool SetNoDelay(SOCKET d)
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{
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/* XXX should this be done at all? */
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#if !defined(BEOS_NET_SERVER) /* not implemented on BeOS net_server */
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int b = 1;
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/* The (const char*) cast is needed for windows */
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return setsockopt(d, IPPROTO_TCP, TCP_NODELAY, (const char*)&b, sizeof(b)) == 0;
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#else
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return true;
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#endif
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}
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/* Make sure these structures have the size we expect them to be */
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assert_compile(sizeof(in_addr) == 4);
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assert_compile(sizeof(in6_addr) == 16);
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#endif /* ENABLE_NETWORK */
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#endif /* NETWORK_CORE_OS_ABSTRACTION_H */
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