/*****************************************************************************
* 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 VideoLAN
+ * $Id$
*
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
+#ifndef __VLC_NETWORK_H
+# define __VLC_NETWORK_H
/*****************************************************************************
* 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;
int i_bind_port;
char * psz_server_addr;
int i_server_port;
+ int i_ttl;
+
/* Return values */
int i_handle;
size_t i_mtu;
};
-/* Socket types */
-#define NETWORK_UDP 1
-#define NETWORK_TCP 2
+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_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_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( 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 *, 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 ) );
+
+/* 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
+
+# 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 */
+
+/*** 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( void, vlc_freeaddrinfo, ( struct addrinfo * ) );
+#endif
projects / vlc / blobdiff