libavformat/network.h

   1 /*
   2  * Copyright (c) 2007 The FFmpeg Project
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef AVFORMAT_NETWORK_H
  22 #define AVFORMAT_NETWORK_H
  23
  24 #include "config.h"
  25
  26 #if HAVE_WINSOCK2_H
  27 #include <winsock2.h>
  28 #include <ws2tcpip.h>
  29
  30 #define ff_neterrno() (-WSAGetLastError())
  31 #define FF_NETERROR(err) (-WSA##err)
  32 #define WSAEAGAIN WSAEWOULDBLOCK
  33 #else
  34 #include <sys/types.h>
  35 #include <sys/socket.h>
  36 #include <netinet/in.h>
  37 #include <netdb.h>
  38
  39 #define ff_neterrno() AVERROR(errno)
  40 #define FF_NETERROR(err) AVERROR(err)
  41 #endif
  42
  43 #if HAVE_ARPA_INET_H
  44 #include <arpa/inet.h>
  45 #endif
  46
  47 int ff_socket_nonblock(int socket, int enable);
  48
  49 static inline int ff_network_init(void)
  50 {
  51 #if HAVE_WINSOCK2_H
  52     WSADATA wsaData;
  53     if (WSAStartup(MAKEWORD(1,1), &wsaData))
  54         return 0;
  55 #endif
  56     return 1;
  57 }
  58
  59 static inline void ff_network_close(void)
  60 {
  61 #if HAVE_WINSOCK2_H
  62     WSACleanup();
  63 #endif
  64 }
  65
  66 int ff_inet_aton (const char * str, struct in_addr * add);
  67
  68 #if !HAVE_STRUCT_SOCKADDR_STORAGE
  69 struct sockaddr_storage {
  70 #if HAVE_STRUCT_SOCKADDR_SA_LEN
  71     uint8_t ss_len;
  72     uint8_t ss_family;
  73 #else
  74     uint16_t ss_family;
  75 #endif
  76     char ss_pad1[6];
  77     int64_t ss_align;
  78     char ss_pad2[112];
  79 };
  80 #endif
  81
  82 #if !HAVE_STRUCT_ADDRINFO
  83 struct addrinfo {
  84     int ai_flags;
  85     int ai_family;
  86     int ai_socktype;
  87     int ai_protocol;
  88     int ai_addrlen;
  89     struct sockaddr *ai_addr;
  90     char *ai_canonname;
  91     struct addrinfo *ai_next;
  92 };
  93 #endif
  94
  95 /* getaddrinfo constants */
  96 #ifndef EAI_FAIL
  97 #define EAI_FAIL 4
  98 #endif
  99
 100 #ifndef EAI_FAMILY
 101 #define EAI_FAMILY 5
 102 #endif
 103
 104 #ifndef EAI_NONAME
 105 #define EAI_NONAME 8
 106 #endif
 107
 108 #ifndef AI_PASSIVE
 109 #define AI_PASSIVE 1
 110 #endif
 111
 112 #ifndef AI_CANONNAME
 113 #define AI_CANONNAME 2
 114 #endif
 115
 116 #ifndef AI_NUMERICHOST
 117 #define AI_NUMERICHOST 4
 118 #endif
 119
 120 #ifndef NI_NOFQDN
 121 #define NI_NOFQDN 1
 122 #endif
 123
 124 #ifndef NI_NUMERICHOST
 125 #define NI_NUMERICHOST 2
 126 #endif
 127
 128 #ifndef NI_NAMERQD
 129 #define NI_NAMERQD 4
 130 #endif
 131
 132 #ifndef NI_NUMERICSERV
 133 #define NI_NUMERICSERV 8
 134 #endif
 135
 136 #ifndef NI_DGRAM
 137 #define NI_DGRAM 16
 138 #endif
 139
 140 #if !HAVE_GETADDRINFO
 141 int ff_getaddrinfo(const char *node, const char *service,
 142                    const struct addrinfo *hints, struct addrinfo **res);
 143 void ff_freeaddrinfo(struct addrinfo *res);
 144 int ff_getnameinfo(const struct sockaddr *sa, int salen,
 145                    char *host, int hostlen,
 146                    char *serv, int servlen, int flags);
 147 const char *ff_gai_strerror(int ecode);
 148 #define getaddrinfo ff_getaddrinfo
 149 #define freeaddrinfo ff_freeaddrinfo
 150 #define getnameinfo ff_getnameinfo
 151 #define gai_strerror ff_gai_strerror
 152 #endif
 153
 154 #endif /* AVFORMAT_NETWORK_H */