X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_network.h;h=d1c63b1e76dbf462062cb6c1a36b2c8c7fd4427a;hb=39f52871791f36d28c48750c0793358c9d1077e0;hp=36b64c5d04810fb7fec388cb1ba5dee1128d5872;hpb=c0b2d638f8aaa96da3dcee62598927603fe4f843;p=vlc diff --git a/include/vlc_network.h b/include/vlc_network.h index 36b64c5d04..d1c63b1e76 100644 --- a/include/vlc_network.h +++ b/include/vlc_network.h @@ -1,7 +1,7 @@ /***************************************************************************** * vlc_network.h: interface to communicate with network plug-ins ***************************************************************************** - * Copyright (C) 2002-2005 the VideoLAN team + * Copyright (C) 2002-2005 VLC authors and VideoLAN * Copyright © 2006-2007 Rémi Denis-Courmont * $Id$ * @@ -9,60 +9,80 @@ * Laurent Aimar * Rémi Denis-Courmont * - * This program 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; either version 2 of the License, or + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program 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. See the - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#if !defined( __LIBVLC__ ) - #error You are not libvlc or one of its plugins. You cannot include this file -#endif +#ifndef VLC_NETWORK_H +# define VLC_NETWORK_H -#ifndef __VLC_NETWORK_H -# define __VLC_NETWORK_H +/** + * \file + * This file defines interface to communicate with network plug-ins + */ -#if defined( WIN32 ) -# if defined(UNDER_CE) && defined(sockaddr_storage) -# undef sockaddr_storage -# endif -# if defined(UNDER_CE) -# define HAVE_STRUCT_ADDRINFO -# else -# define _NO_OLDNAMES 1 -# include -# endif +#if defined( _WIN32 ) +# define _NO_OLDNAMES 1 +# include # include # include -# define ENETUNREACH WSAENETUNREACH # define net_errno (WSAGetLastError()) -extern const char *net_strerror( int val ); -#else -# if HAVE_SYS_SOCKET_H -# include -# endif -# if HAVE_NETINET_IN_H -# include -# endif -# if HAVE_ARPA_INET_H -# include -# elif defined( SYS_BEOS ) -# include + +struct iovec +{ + void *iov_base; + size_t iov_len; +}; + +struct msghdr +{ + void *msg_name; + size_t msg_namelen; + struct iovec *msg_iov; + size_t msg_iovlen; + void *msg_control; + size_t msg_controllen; + int msg_flags; +}; + +# ifndef IPV6_V6ONLY +# define IPV6_V6ONLY 27 # endif +#else +# include +# include +# include +# include # include # define net_errno errno -# define net_strerror strerror #endif +#if defined( __SYMBIAN32__ ) +# undef AF_INET6 +# undef IN6_IS_ADDR_MULTICAST +# undef IPV6_V6ONLY +# undef IPV6_MULTICAST_HOPS +# undef IPV6_MULTICAST_IF +# undef IPV6_TCLASS +# undef IPV6_JOIN_GROUP +#endif + +VLC_API int vlc_socket (int, int, int, bool nonblock) VLC_USED; + +struct sockaddr; +VLC_API int vlc_accept( int, struct sockaddr *, socklen_t *, bool ) VLC_USED; + # ifdef __cplusplus extern "C" { # endif @@ -70,118 +90,85 @@ extern "C" { /* Portable networking layer communication */ int net_Socket (vlc_object_t *obj, int family, int socktype, int proto); -#define net_ConnectTCP(a, b, c) __net_ConnectTCP(VLC_OBJECT(a), b, c) -#define net_OpenTCP(a, b, c) __net_ConnectTCP(VLC_OBJECT(a), b, c) -VLC_EXPORT( int, __net_ConnectTCP, ( vlc_object_t *p_this, const char *psz_host, int i_port ) ); +VLC_API int net_Connect(vlc_object_t *p_this, const char *psz_host, int i_port, int socktype, int protocol); +#define net_Connect(a, b, c, d, e) net_Connect(VLC_OBJECT(a), b, c, d, e) -int *net_Listen (vlc_object_t *p_this, const char *psz_host, int i_port, - int family, int socktype, int protocol); -VLC_EXPORT( int, net_ListenSingle, (vlc_object_t *p_this, const char *psz_host, int i_port, int family, int socktype, int protocol) ); +VLC_API int * net_Listen(vlc_object_t *p_this, const char *psz_host, int i_port, int socktype, int protocol); -#define net_ListenTCP(a, b, c) __net_ListenTCP(VLC_OBJECT(a), b, c) -VLC_EXPORT( int *, __net_ListenTCP, ( vlc_object_t *, const char *, int ) ); +#define net_ListenTCP(a, b, c) net_Listen(VLC_OBJECT(a), b, c, \ + SOCK_STREAM, IPPROTO_TCP) -#define net_Accept(a, b, c) __net_Accept(VLC_OBJECT(a), b, c) -VLC_EXPORT( int, __net_Accept, ( vlc_object_t *, int *, mtime_t ) ); +static inline int net_ConnectTCP (vlc_object_t *obj, const char *host, int port) +{ + return net_Connect (obj, host, port, SOCK_STREAM, IPPROTO_TCP); +} +#define net_ConnectTCP(a, b, c) net_ConnectTCP(VLC_OBJECT(a), b, c) + +VLC_API int net_AcceptSingle(vlc_object_t *obj, int lfd); + +VLC_API int net_Accept( vlc_object_t *, int * ); +#define net_Accept(a, b) \ + net_Accept(VLC_OBJECT(a), b) -#define net_ConnectDgram(a, b, c, d, e ) __net_ConnectDgram(VLC_OBJECT(a), b, c, d, e) -VLC_EXPORT( int, __net_ConnectDgram, ( vlc_object_t *p_this, const char *psz_host, int i_port, int hlim, int proto ) ); +VLC_API int net_ConnectDgram( vlc_object_t *p_this, const char *psz_host, int i_port, int hlim, int proto ); +#define net_ConnectDgram(a, b, c, d, e ) \ + net_ConnectDgram(VLC_OBJECT(a), b, c, d, e) static inline int net_ConnectUDP (vlc_object_t *obj, const char *host, int port, int hlim) { - return net_ConnectDgram (obj, host, port, hlim, 0); + return net_ConnectDgram (obj, host, port, hlim, IPPROTO_UDP); } +VLC_API int net_OpenDgram( vlc_object_t *p_this, const char *psz_bind, int i_bind, const char *psz_server, int i_server, int proto ); +#define net_OpenDgram( a, b, c, d, e, g ) \ + net_OpenDgram(VLC_OBJECT(a), b, c, d, e, g) + static inline int net_ListenUDP1 (vlc_object_t *obj, const char *host, int port) { - return net_ListenSingle (obj, host, port, AF_UNSPEC, SOCK_DGRAM, 0); + return net_OpenDgram (obj, host, port, NULL, 0, IPPROTO_UDP); } -#define net_OpenDgram( a, b, c, d, e, g, h ) __net_OpenDgram(VLC_OBJECT(a), b, c, d, e, g, h) -VLC_EXPORT( int, __net_OpenDgram, ( vlc_object_t *p_this, const char *psz_bind, int i_bind, const char *psz_server, int i_server, int family, int proto ) ); - -VLC_EXPORT( void, net_Close, ( int fd ) ); -VLC_EXPORT( void, net_ListenClose, ( int *fd ) ); +VLC_API void net_ListenClose( int *fd ); -VLC_EXPORT( int, net_SetDSCP, ( int fd, uint8_t dscp ) ); int net_Subscribe (vlc_object_t *obj, int fd, const struct sockaddr *addr, socklen_t addrlen); +VLC_API int net_SetCSCov( int fd, int sendcov, int recvcov ); + /* Functions to read from or write to the networking layer */ struct virtual_socket_t { void *p_sys; - int (*pf_recv) ( void *, void *, int ); - int (*pf_send) ( void *, const void *, int ); -}; - -#define net_Read(a,b,c,d,e,f) __net_Read(VLC_OBJECT(a),b,c,d,e,f) -VLC_EXPORT( int, __net_Read, ( vlc_object_t *p_this, int fd, const v_socket_t *, uint8_t *p_data, int i_data, vlc_bool_t b_retry ) ); - -#define net_ReadNonBlock(a,b,c,d,e,f) __net_ReadNonBlock(VLC_OBJECT(a),b,c,d,e,f) -VLC_EXPORT( int, __net_ReadNonBlock, ( vlc_object_t *p_this, int fd, const v_socket_t *, uint8_t *p_data, int i_data, mtime_t i_wait ) ); - -#define net_Select(a,b,c,d,e,f) __net_Select(VLC_OBJECT(a),b,c,d,e,f) -VLC_EXPORT( int, __net_Select, ( vlc_object_t *p_this, const int *pi_fd, int i_fd, uint8_t *p_data, int i_data, mtime_t i_wait ) ); - -#define net_Write(a,b,c,d,e) __net_Write(VLC_OBJECT(a),b,c,d,e) -VLC_EXPORT( int, __net_Write, ( vlc_object_t *p_this, int fd, const v_socket_t *, const uint8_t *p_data, int i_data ) ); - -#define net_Gets(a,b,c) __net_Gets(VLC_OBJECT(a),b,c) -VLC_EXPORT( char *, __net_Gets, ( vlc_object_t *p_this, int fd, const v_socket_t * ) ); - -VLC_EXPORT( int, net_Printf, ( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, ... ) ); - -#define net_vaPrintf(a,b,c,d,e) __net_vaPrintf(VLC_OBJECT(a),b,c,d,e) -VLC_EXPORT( int, __net_vaPrintf, ( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, va_list args ) ); - - -#ifndef HAVE_INET_PTON -/* only in core, so no need for C++ extern "C" */ -int inet_pton(int af, const char *src, void *dst); -#endif - -#ifndef HAVE_POLL -enum -{ - POLLIN=1, - POLLOUT=2, - POLLPRI=4 - POLLERR=8, // unsupported stub - POLLHUP=16, // unsupported stub - POLLNVAL=32 // unsupported stub + int (*pf_recv) ( void *, void *, size_t ); + int (*pf_send) ( void *, const void *, size_t ); }; -struct pollfd -{ - int fd; - int events; - int revents; -}; - -int poll (struct pollfd *fds, unsigned nfds, int timeout); -#endif - - -/***************************************************************************** - * net_StopRecv/Send - ***************************************************************************** - * Wrappers for shutdown() - *****************************************************************************/ -#if defined (SHUT_WR) -/* the standard way */ -# define net_StopSend( fd ) (void)shutdown( fd, SHUT_WR ) -# define net_StopRecv( fd ) (void)shutdown( fd, SHUT_RD ) -#elif defined (SD_SEND) -/* the Microsoft seemingly-purposedly-different-for-the-sake-of-it way */ -# define net_StopSend( fd ) (void)shutdown( fd, SD_SEND ) -# define net_StopRecv( fd ) (void)shutdown( fd, SD_RECEIVE ) +VLC_API ssize_t net_Read( vlc_object_t *p_this, int fd, const v_socket_t *, void *p_data, size_t i_data, bool b_retry ); +#define net_Read(a,b,c,d,e,f) net_Read(VLC_OBJECT(a),b,c,d,e,f) +VLC_API ssize_t net_Write( vlc_object_t *p_this, int fd, const v_socket_t *, const void *p_data, size_t i_data ); +#define net_Write(a,b,c,d,e) net_Write(VLC_OBJECT(a),b,c,d,e) +VLC_API char * net_Gets( vlc_object_t *p_this, int fd, const v_socket_t * ); +#define net_Gets(a,b,c) net_Gets(VLC_OBJECT(a),b,c) + + +VLC_API ssize_t net_Printf( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, ... ) VLC_FORMAT( 4, 5 ); +#define net_Printf(o,fd,vs,...) net_Printf(VLC_OBJECT(o),fd,vs, __VA_ARGS__) +VLC_API ssize_t net_vaPrintf( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, va_list args ); +#define net_vaPrintf(a,b,c,d,e) net_vaPrintf(VLC_OBJECT(a),b,c,d,e) + +#ifdef _WIN32 +/* Microsoft: same semantic, same value, different name... go figure */ +# define SHUT_RD SD_RECEIVE +# define SHUT_WR SD_SEND +# define SHUT_RDWR SD_BOTH +# define net_Close( fd ) closesocket ((SOCKET)fd) #else -# ifndef SYS_BEOS /* R5 just doesn't have a working shutdown() */ -# warning FIXME: implement shutdown on your platform! +# ifdef __OS2__ +# define SHUT_RD 0 +# define SHUT_WR 1 +# define SHUT_RDWR 2 # endif -# define net_StopSend( fd ) (void)0 -# define net_StopRecv( fd ) (void)0 +# define net_Close( fd ) (void)close (fd) #endif /* Portable network names/addresses resolution layer */ @@ -217,8 +204,11 @@ int poll (struct pollfd *fds, unsigned nfds, int timeout); # ifndef EAI_MEMORY # define EAI_MEMORY -10 # endif +#ifndef EAI_OVERFLOW +# define EAI_OVERFLOW -11 +#endif # ifndef EAI_SYSTEM -# define EAI_SYSTEM -11 +# define EAI_SYSTEM -12 # endif @@ -228,6 +218,19 @@ int poll (struct pollfd *fds, unsigned nfds, int timeout); # endif # define NI_MAXNUMERICHOST 64 +#ifndef AI_NUMERICSERV +# define AI_NUMERICSERV 0 +#endif +#ifndef AI_IDN +# define AI_IDN 0 /* GNU/libc extension */ +#endif + +#ifdef _WIN32 +# undef gai_strerror +# define gai_strerror gai_strerrorA +#endif + +#ifdef __OS2__ # ifndef NI_NUMERICHOST # define NI_NUMERICHOST 0x01 # define NI_NUMERICSERV 0x02 @@ -236,7 +239,6 @@ int poll (struct pollfd *fds, unsigned nfds, int timeout); # define NI_DGRAM 0x10 # endif -# ifndef HAVE_STRUCT_ADDRINFO struct addrinfo { int ai_flags; @@ -248,18 +250,49 @@ struct addrinfo char *ai_canonname; struct addrinfo *ai_next; }; -# define AI_PASSIVE 1 -# define AI_CANONNAME 2 -# define AI_NUMERICHOST 4 -# endif /* if !HAVE_STRUCT_ADDRINFO */ -VLC_EXPORT( const char *, vlc_gai_strerror, ( int ) ); -VLC_EXPORT( int, vlc_getnameinfo, ( const struct sockaddr *, int, char *, int, int *, int ) ); -VLC_EXPORT( int, vlc_getaddrinfo, ( vlc_object_t *, const char *, int, const struct addrinfo *, struct addrinfo ** ) ); -VLC_EXPORT( void, vlc_freeaddrinfo, ( struct addrinfo * ) ); +# define AI_PASSIVE 1 +# define AI_CANONNAME 2 +# define AI_NUMERICHOST 4 + +VLC_API const char *gai_strerror( int errnum ); + +VLC_API int getaddrinfo ( const char *, const char *, + const struct addrinfo *, struct addrinfo ** ); +VLC_API void freeaddrinfo( struct addrinfo * ); +VLC_API int getnameinfo ( const struct sockaddr *, socklen_t, + char *, int, char *, int, int ); +#endif + +VLC_API int vlc_getnameinfo( const struct sockaddr *, int, char *, int, int *, int ); +VLC_API int vlc_getaddrinfo (const char *, unsigned, + const struct addrinfo *, struct addrinfo **); + + +#ifdef __OS2__ +/* OS/2 does not support IPv6, yet. But declare these only for compilation */ +struct in6_addr +{ + uint8_t s6_addr[16]; +}; + +struct sockaddr_in6 +{ + uint8_t sin6_len; + uint8_t sin6_family; + uint16_t sin6_port; + uint32_t sin6_flowinfo; + struct in6_addr sin6_addr; + uint32_t sin6_scope_id; +}; + +# define IN6_IS_ADDR_MULTICAST(a) (((__const uint8_t *) (a))[0] == 0xff) +static const struct in6_addr in6addr_any = + { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; +#endif -static inline vlc_bool_t +static inline bool net_SockAddrIsMulticast (const struct sockaddr *addr, socklen_t len) { switch (addr->sa_family) @@ -267,9 +300,9 @@ net_SockAddrIsMulticast (const struct sockaddr *addr, socklen_t len) #ifdef IN_MULTICAST case AF_INET: { - struct sockaddr_in *v4 = (struct sockaddr_in *)addr; + const struct sockaddr_in *v4 = (const struct sockaddr_in *)addr; if ((size_t)len < sizeof (*v4)) - return VLC_FALSE; + return false; return IN_MULTICAST (ntohl (v4->sin_addr.s_addr)) != 0; } #endif @@ -277,46 +310,18 @@ net_SockAddrIsMulticast (const struct sockaddr *addr, socklen_t len) #ifdef IN6_IS_ADDR_MULTICAST case AF_INET6: { - struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr; + const struct sockaddr_in6 *v6 = (const struct sockaddr_in6 *)addr; if ((size_t)len < sizeof (*v6)) - return VLC_FALSE; + return false; return IN6_IS_ADDR_MULTICAST (&v6->sin6_addr) != 0; } #endif } - return VLC_FALSE; + return false; } - -/** - * net_AddressIsMulticast - * @return VLC_FALSE iff the psz_addr does not specify a multicast address, - * or the address is not a valid address. - */ -static inline vlc_bool_t net_AddressIsMulticast( vlc_object_t *p_object, const char *psz_addr ) -{ - struct addrinfo hints, *res; - - memset (&hints, 0, sizeof (hints)); - hints.ai_socktype = SOCK_DGRAM; /* UDP */ - hints.ai_flags = AI_NUMERICHOST; - - int i = vlc_getaddrinfo (p_object, psz_addr, 0, - &hints, &res); - if (i) - { - msg_Err (p_object, "invalid address \"%s\" for net_AddressIsMulticast (%s)", - psz_addr, vlc_gai_strerror (i)); - return VLC_FALSE; - } - - vlc_bool_t b = net_SockAddrIsMulticast (res->ai_addr, res->ai_addrlen); - vlc_freeaddrinfo (res); - return b; -} - static inline int net_GetSockAddress( int fd, char *address, int *port ) { struct sockaddr_storage addr; @@ -360,13 +365,16 @@ static inline void net_SetPort (struct sockaddr *addr, uint16_t port) #ifdef AF_INET6 case AF_INET6: ((struct sockaddr_in6 *)addr)->sin6_port = port; - break; + break; #endif case AF_INET: ((struct sockaddr_in *)addr)->sin_port = port; - break; + break; } } + +VLC_API char *vlc_getProxyUrl(const char *); + # ifdef __cplusplus } # endif