/*****************************************************************************
* network.h: interface to communicate with network plug-ins
*****************************************************************************
- * Copyright (C) 2002-2005 VideoLAN
+ * Copyright (C) 2002-2005 the VideoLAN team
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* 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_t
{
- 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;
};
-typedef struct
-{
- char *psz_protocol;
- char *psz_host;
- int i_port;
-
- char *psz_path;
-
- char *psz_option;
-} vlc_url_t;
-
-/*****************************************************************************
- * vlc_UrlParse:
- *****************************************************************************
- * option : if != 0 then path is split at this char
- *
- * format [protocol://][host[:port]]/path[OPTIONoption]
- *****************************************************************************/
-static inline void vlc_UrlParse( vlc_url_t *url, char *psz_url, char option )
-{
- char *psz_dup = psz_url ? strdup( psz_url ) : 0;
- char *psz_parse = psz_dup;
- char *p;
-
- url->psz_protocol = NULL;
- url->psz_host = NULL;
- url->i_port = 0;
- url->psz_path = NULL;
- url->psz_option = NULL;
-
- if( !psz_url ) return;
-
- if( ( p = strstr( psz_parse, ":/" ) ) )
- {
- /* we have a protocol */
-
- /* skip :// */
- *p++ = '\0';
- if( p[0] == '/' && p[1] == '/' )
- {
- p += 2;
- }
- url->psz_protocol = strdup( psz_dup );
-
- psz_parse = p;
- }
-
- p = strchr( psz_parse, '/' );
- if( !p || psz_parse < p )
- {
- char *p2;
-
- /* We have a host[:port] */
- url->psz_host = strdup( psz_parse );
- if( p )
- {
- url->psz_host[p - psz_parse] = '\0';
- }
-
- if( *url->psz_host == '[' )
- {
- /* Ipv6 address */
- p2 = strchr( url->psz_host, ']' );
- if( p2 )
- {
- p2 = strchr( p2, ':' );
- }
- }
- else
- {
- p2 = strchr( url->psz_host, ':' );
- }
- if( p2 )
- {
- *p2++ = '\0';
- url->i_port = atoi( p2 );
- }
- }
- psz_parse = p;
-
- /* Now parse psz_path and psz_option */
- if( psz_parse )
- {
- url->psz_path = strdup( psz_parse );
- if( option != '\0' )
- {
- p = strchr( url->psz_path, option );
- if( p )
- {
- *p++ = '\0';
- url->psz_option = strdup( p );
- }
- }
- }
- free( psz_dup );
-}
-
-/*****************************************************************************
- * vlc_UrlClean:
- *****************************************************************************
- *
- *****************************************************************************/
-static inline void vlc_UrlClean( vlc_url_t *url )
-{
- if( url->psz_protocol ) free( url->psz_protocol );
- if( url->psz_host ) free( url->psz_host );
- if( url->psz_path ) free( url->psz_path );
- if( url->psz_option ) free( url->psz_option );
-
- url->psz_protocol = NULL;
- url->psz_host = NULL;
- url->i_port = 0;
- url->psz_path = NULL;
- url->psz_option = NULL;
-}
-
-/*****************************************************************************
- * vlc_UrlEncode:
- *****************************************************************************
- * perform URL encoding
- * (you do NOT want to do URL decoding - it is not reversible - do NOT do it)
- *****************************************************************************/
-static inline char *vlc_UrlEncode( const char *psz_url )
-{
- char *psz_enc, *out;
- const char *in;
-
- psz_enc = (char *)malloc( 3 * strlen( psz_url ) + 1 );
- if( psz_enc == NULL )
- return NULL;
-
- out = psz_enc;
- for( in = psz_url; *in; in++ )
- {
- char c = *in;
-
- if( ( c <= 32 ) || ( c == '%' ) || ( c == '?' ) || ( c == '&' )
- || ( c == '+' ) )
- {
- *out++ = '%';
- *out++ = ( ( c >> 4 ) >= 0xA ) ? 'A' + ( c >> 4 ) - 0xA
- : '0' + ( c >> 4 );
- *out++ = ( ( c & 0xf ) >= 0xA ) ? 'A' + ( c & 0xf ) - 0xA
- : '0' + ( c & 0xf );
- }
- else
- *out++ = c;
- }
- *out++ = '\0';
-
- return (char *)realloc( psz_enc, out - psz_enc );
-}
-
-/*****************************************************************************
- * vlc_UrlIsNotEncoded:
- *****************************************************************************
- * check if given string is not a valid URL and must hence be encoded
- *****************************************************************************/
-#include <ctype.h>
-
-static inline int vlc_UrlIsNotEncoded( const char *psz_url )
-{
- const char *ptr;
-
- for( ptr = psz_url; *ptr; ptr++ )
- {
- char c = *ptr;
-
- if( c == '%' )
- {
- if( !isxdigit( ptr[1] ) || !isxdigit( ptr[2] ) )
- return 1; /* not encoded */
- ptr += 2;
- }
- else
- if( c == ' ' )
- return 1;
- }
- return 0; /* looks fine - but maybe it is not encoded */
-}
-
-/*****************************************************************************
- * vlc_b64_encode:
- *****************************************************************************
- *
- *****************************************************************************/
-static inline char *vlc_b64_encode( char *src )
-{
- static const char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
- char *dst = (char *)malloc( strlen( src ) * 4 / 3 + 12 );
- char *ret = dst;
- unsigned i_bits = 0;
- unsigned i_shift = 0;
-
- for( ;; )
- {
- if( *src )
- {
- i_bits = ( i_bits << 8 )|( *src++ );
- i_shift += 8;
- }
- else if( i_shift > 0 )
- {
- i_bits <<= 6 - i_shift;
- i_shift = 6;
- }
- else
- {
- *dst++ = '=';
- break;
- }
-
- while( i_shift >= 6 )
- {
- i_shift -= 6;
- *dst++ = b64[(i_bits >> i_shift)&0x3f];
- }
- }
-
- *dst++ = '\0';
-
- return ret;
-}
-
/* Portable networking layer communication */
-#define net_OpenTCP(a, b, c) __net_OpenTCP(VLC_OBJECT(a), b, c)
-VLC_EXPORT( int, __net_OpenTCP, ( vlc_object_t *p_this, const char *psz_host, int i_port ) );
+#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, char *psz_bind, int i_bind, char *psz_server, int i_server ) );
+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 ) );
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 *, uint8_t *p_data, int i_data ) );
+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 * ) );
#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 ) );
-#define net_CheckIP(a,b,c,d) __net_CheckIP(VLC_OBJECT(a),b,c,d)
-VLC_EXPORT( int, __net_CheckIP, ( vlc_object_t *p_this, char *psz_ip, char **ppsz_hosts, int i_hosts ) );
+
+#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 */
# define NI_MAXHOST 1025
# define NI_MAXSERV 32
# endif
+# define NI_MAXNUMERICHOST 64
# ifndef NI_NUMERICHOST
# define NI_NUMERICHOST 0x01
# define AI_NUMERICHOST 4
# endif /* if !HAVE_STRUCT_ADDRINFO */
-/*** libidn support ***/
-# ifndef AI_IDN
-# define AI_IDN 0
-# define AI_CANONIDN 0
-# endif
-
VLC_EXPORT( const char *, vlc_gai_strerror, ( int ) );
-VLC_EXPORT( int, vlc_getnameinfo, ( vlc_object_t *, const struct sockaddr *, int, char *, int, char *, int, int ) );
-VLC_EXPORT( int, vlc_getaddrinfo, ( vlc_object_t *, const char *, const char *, const struct addrinfo *, struct addrinfo ** ) );
+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