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libavformat/network.h

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00001 /*
00002  * Copyright (c) 2007 The FFmpeg Project
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVFORMAT_NETWORK_H
00022 #define AVFORMAT_NETWORK_H
00023 
00024 #include "config.h"
00025 
00026 #if HAVE_WINSOCK2_H
00027 #include <winsock2.h>
00028 #include <ws2tcpip.h>
00029 
00030 #define ff_neterrno() (-WSAGetLastError())
00031 #define FF_NETERROR(err) (-WSA##err)
00032 #define WSAEAGAIN WSAEWOULDBLOCK
00033 #else
00034 #include <sys/types.h>
00035 #include <sys/socket.h>
00036 #include <netinet/in.h>
00037 #include <netdb.h>
00038 
00039 #define ff_neterrno() AVERROR(errno)
00040 #define FF_NETERROR(err) AVERROR(err)
00041 #endif
00042 
00043 #if HAVE_ARPA_INET_H
00044 #include <arpa/inet.h>
00045 #endif
00046 
00047 int ff_socket_nonblock(int socket, int enable);
00048 
00049 static inline int ff_network_init(void)
00050 {
00051 #if HAVE_WINSOCK2_H
00052     WSADATA wsaData;
00053     if (WSAStartup(MAKEWORD(1,1), &wsaData))
00054         return 0;
00055 #endif
00056     return 1;
00057 }
00058 
00059 static inline void ff_network_close(void)
00060 {
00061 #if HAVE_WINSOCK2_H
00062     WSACleanup();
00063 #endif
00064 }
00065 
00066 int ff_inet_aton (const char * str, struct in_addr * add);
00067 
00068 #if !HAVE_STRUCT_SOCKADDR_STORAGE
00069 struct sockaddr_storage {
00070 #if HAVE_STRUCT_SOCKADDR_SA_LEN
00071     uint8_t ss_len;
00072     uint8_t ss_family;
00073 #else
00074     uint16_t ss_family;
00075 #endif
00076     char ss_pad1[6];
00077     int64_t ss_align;
00078     char ss_pad2[112];
00079 };
00080 #endif
00081 
00082 #if !HAVE_STRUCT_ADDRINFO
00083 struct addrinfo {
00084     int ai_flags;
00085     int ai_family;
00086     int ai_socktype;
00087     int ai_protocol;
00088     int ai_addrlen;
00089     struct sockaddr *ai_addr;
00090     char *ai_canonname;
00091     struct addrinfo *ai_next;
00092 };
00093 #endif
00094 
00095 /* getaddrinfo constants */
00096 #ifndef EAI_FAIL
00097 #define EAI_FAIL 4
00098 #endif
00099 
00100 #ifndef EAI_FAMILY
00101 #define EAI_FAMILY 5
00102 #endif
00103 
00104 #ifndef EAI_NONAME
00105 #define EAI_NONAME 8
00106 #endif
00107 
00108 #ifndef AI_PASSIVE
00109 #define AI_PASSIVE 1
00110 #endif
00111 
00112 #ifndef AI_CANONNAME
00113 #define AI_CANONNAME 2
00114 #endif
00115 
00116 #ifndef AI_NUMERICHOST
00117 #define AI_NUMERICHOST 4
00118 #endif
00119 
00120 #ifndef NI_NOFQDN
00121 #define NI_NOFQDN 1
00122 #endif
00123 
00124 #ifndef NI_NUMERICHOST
00125 #define NI_NUMERICHOST 2
00126 #endif
00127 
00128 #ifndef NI_NAMERQD
00129 #define NI_NAMERQD 4
00130 #endif
00131 
00132 #ifndef NI_NUMERICSERV
00133 #define NI_NUMERICSERV 8
00134 #endif
00135 
00136 #ifndef NI_DGRAM
00137 #define NI_DGRAM 16
00138 #endif
00139 
00140 #if !HAVE_GETADDRINFO
00141 int ff_getaddrinfo(const char *node, const char *service,
00142                    const struct addrinfo *hints, struct addrinfo **res);
00143 void ff_freeaddrinfo(struct addrinfo *res);
00144 int ff_getnameinfo(const struct sockaddr *sa, int salen,
00145                    char *host, int hostlen,
00146                    char *serv, int servlen, int flags);
00147 const char *ff_gai_strerror(int ecode);
00148 #define getaddrinfo ff_getaddrinfo
00149 #define freeaddrinfo ff_freeaddrinfo
00150 #define getnameinfo ff_getnameinfo
00151 #define gai_strerror ff_gai_strerror
00152 #endif
00153 
00154 #endif /* AVFORMAT_NETWORK_H */

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