/*****************************************************************************
* network.h: interface to communicate with network plug-ins
*****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: network.h,v 1.2 2002/06/01 12:31:57 sam Exp $
+ * Copyright (C) 2002-2005 the VideoLAN team
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
+ * Laurent Aimar <fenrir@via.ecp.fr>
+ * Rémi Denis-Courmont <rem # videolan.org>
*
* 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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+#ifndef __VLC_NETWORK_H
+# define __VLC_NETWORK_H
+
+#if defined( WIN32 )
+# if defined(UNDER_CE) && defined(sockaddr_storage)
+# undef sockaddr_storage
+# endif
+# if defined(UNDER_CE)
+# define HAVE_STRUCT_ADDRINFO
+# else
+# include <io.h>
+# endif
+# include <winsock2.h>
+# include <ws2tcpip.h>
+# define ENETUNREACH WSAENETUNREACH
+#else
+# if HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+# endif
+# if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+# endif
+# if HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+# elif defined( SYS_BEOS )
+# include <net/netdb.h>
+# endif
+# include <netdb.h>
+#endif
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
/*****************************************************************************
* network_socket_t: structure passed to a network plug-in to define the
* kind of socket we want
*****************************************************************************/
-struct network_socket_s
+struct network_socket_t
{
- unsigned int i_type;
-
- char * psz_bind_addr;
+ const char *psz_bind_addr;
int i_bind_port;
- char * psz_server_addr;
+ const char *psz_server_addr;
int i_server_port;
+ int i_ttl;
+
+ int v6only;
+
/* Return values */
int i_handle;
size_t i_mtu;
};
-/* Socket types */
-#define NETWORK_UDP 1
-#define NETWORK_TCP 2
+/* Portable networking layer communication */
+#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 ) );
+
+#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_Accept(a, b, c) __net_Accept(VLC_OBJECT(a), b, c)
+VLC_EXPORT( int, __net_Accept, ( vlc_object_t *, int *, mtime_t ) );
+
+#define net_ConnectUDP(a, b, c, d ) __net_ConnectUDP(VLC_OBJECT(a), b, c, d)
+VLC_EXPORT( int, __net_ConnectUDP, ( vlc_object_t *p_this, const char *psz_host, int i_port, int hlim ) );
+
+#define net_OpenUDP(a, b, c, d, e ) __net_OpenUDP(VLC_OBJECT(a), b, c, d, e)
+VLC_EXPORT( int, __net_OpenUDP, ( vlc_object_t *p_this, const char *psz_bind, int i_bind, const char *psz_server, int i_server ) );
+
+VLC_EXPORT( void, net_Close, ( int fd ) );
+VLC_EXPORT( void, net_ListenClose, ( int *fd ) );
+
+
+/* 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, 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, v_socket_t *, uint8_t *p_data, int i_data, mtime_t i_wait ) );
+
+#define net_Select(a,b,c,d,e,f,g) __net_Select(VLC_OBJECT(a),b,c,d,e,f,g)
+VLC_EXPORT( int, __net_Select, ( vlc_object_t *p_this, int *pi_fd, v_socket_t **, 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, 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, v_socket_t * ) );
+
+VLC_EXPORT( int, net_Printf, ( vlc_object_t *p_this, int fd, 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, v_socket_t *, const char *psz_fmt, va_list args ) );
+
+
+#if !HAVE_INET_PTON
+/* only in core, so no need for C++ extern "C" */
+int inet_pton(int af, const char *src, void *dst);
+#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 )
+#else
+# ifndef SYS_BEOS /* R5 just doesn't have a working shutdown() */
+# warning FIXME: implement shutdown on your platform!
+# endif
+# define net_StopSend( fd ) (void)0
+# define net_StopRecv( fd ) (void)0
+#endif
+
+/* Portable network names/addresses resolution layer */
+
+/* GAI error codes */
+# ifndef EAI_BADFLAGS
+# define EAI_BADFLAGS -1
+# endif
+# ifndef EAI_NONAME
+# define EAI_NONAME -2
+# endif
+# ifndef EAI_AGAIN
+# define EAI_AGAIN -3
+# endif
+# ifndef EAI_FAIL
+# define EAI_FAIL -4
+# endif
+# ifndef EAI_NODATA
+# define EAI_NODATA -5
+# endif
+# ifndef EAI_FAMILY
+# define EAI_FAMILY -6
+# endif
+# ifndef EAI_SOCKTYPE
+# define EAI_SOCKTYPE -7
+# endif
+# ifndef EAI_SERVICE
+# define EAI_SERVICE -8
+# endif
+# ifndef EAI_ADDRFAMILY
+# define EAI_ADDRFAMILY -9
+# endif
+# ifndef EAI_MEMORY
+# define EAI_MEMORY -10
+# endif
+# ifndef EAI_SYSTEM
+# define EAI_SYSTEM -11
+# endif
+
+
+# ifndef NI_MAXHOST
+# define NI_MAXHOST 1025
+# define NI_MAXSERV 32
+# endif
+# define NI_MAXNUMERICHOST 64
+
+# ifndef NI_NUMERICHOST
+# define NI_NUMERICHOST 0x01
+# define NI_NUMERICSERV 0x02
+# define NI_NOFQDN 0x04
+# define NI_NAMEREQD 0x08
+# define NI_DGRAM 0x10
+# endif
+
+# ifndef HAVE_STRUCT_ADDRINFO
+struct addrinfo
+{
+ int ai_flags;
+ int ai_family;
+ int ai_socktype;
+ int ai_protocol;
+ size_t ai_addrlen;
+ struct sockaddr *ai_addr;
+ 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 * ) );
+
+/*****************************************************************************
+ * net_AddressIsMulticast: This function returns VLC_FALSE if the psz_addr does
+ * not specify a multicast address or if 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;
+ vlc_bool_t b_multicast = VLC_FALSE;
+ int i;
+
+ memset( &hints, 0, sizeof( hints ) );
+ hints.ai_socktype = SOCK_DGRAM; /* UDP */
+ hints.ai_flags = AI_NUMERICHOST;
+
+ i = vlc_getaddrinfo( p_object, psz_addr, 0,
+ &hints, &res );
+ if( i )
+ {
+ msg_Err( p_object, "Invalid node for net_AddressIsMulticast: %s : %s",
+ psz_addr, vlc_gai_strerror( i ) );
+ return VLC_FALSE;
+ }
+
+ if( res->ai_family == AF_INET )
+ {
+#if !defined( SYS_BEOS )
+ struct sockaddr_in *v4 = (struct sockaddr_in *) res->ai_addr;
+ b_multicast = ( ntohl( v4->sin_addr.s_addr ) >= 0xe0000000 )
+ && ( ntohl( v4->sin_addr.s_addr ) <= 0xefffffff );
+#endif
+ }
+#if defined( WIN32 ) || defined( HAVE_GETADDRINFO )
+ else if( res->ai_family == AF_INET6 )
+ {
+ struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)res->ai_addr;
+ b_multicast = IN6_IS_ADDR_MULTICAST( &v6->sin6_addr );
+ }
+#endif
+
+ vlc_freeaddrinfo( res );
+ return b_multicast;
+}
+
+static inline int net_GetSockAddress( int fd, char *address, int *port )
+{
+ struct sockaddr_storage addr;
+ socklen_t addrlen = sizeof( addr );
+
+ return getsockname( fd, (struct sockaddr *)&addr, &addrlen )
+ || vlc_getnameinfo( (struct sockaddr *)&addr, addrlen, address,
+ NI_MAXNUMERICHOST, port, NI_NUMERICHOST )
+ ? VLC_EGENERIC : 0;
+}
+
+static inline int net_GetPeerAddress( int fd, char *address, int *port )
+{
+ struct sockaddr_storage addr;
+ socklen_t addrlen = sizeof( addr );
+
+ return getpeername( fd, (struct sockaddr *)&addr, &addrlen )
+ || vlc_getnameinfo( (struct sockaddr *)&addr, addrlen, address,
+ NI_MAXNUMERICHOST, port, NI_NUMERICHOST )
+ ? VLC_EGENERIC : 0;
+}
+
+# ifdef __cplusplus
+}
+# endif
+#endif
projects / vlc / blobdiff