X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fnetwork.h;h=f0893d45cb75ed61baa37a06e94e0841b9611110;hb=421fd5926877699ed9e29451d6857f6045749ede;hp=6d006005bf7b9a46291b194b5b83502c8539d2d4;hpb=bf9b62a4ea50a2ac124711378775c1def87243ca;p=vlc diff --git a/include/network.h b/include/network.h index 6d006005bf..f0893d45cb 100644 --- a/include/network.h +++ b/include/network.h @@ -1,10 +1,12 @@ /***************************************************************************** * network.h: interface to communicate with network plug-ins ***************************************************************************** - * Copyright (C) 2002 VideoLAN - * $Id: network.h,v 1.3 2002/07/20 18:01:41 sam Exp $ + * Copyright (C) 2002-2005 VideoLAN + * $Id$ * * Authors: Christophe Massiot + * 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 @@ -21,6 +23,8 @@ * 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 @@ -35,6 +39,8 @@ struct network_socket_t char * psz_server_addr; int i_server_port; + int i_ttl; + /* Return values */ int i_handle; size_t i_mtu; @@ -43,4 +49,278 @@ struct network_socket_t /* Socket types */ #define NETWORK_UDP 1 #define NETWORK_TCP 2 +#define NETWORK_TCP_PASSIVE 3 + + +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 + +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; +} + +VLC_EXPORT( int, net_ConvertIPv4, ( uint32_t *p_addr, const char * psz_address ) ); + +/* 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 *p_this, char *psz_localaddr, int i_port ) ); + +#define net_Accept(a, b, c) __net_Accept(VLC_OBJECT(a), b, c) +VLC_EXPORT( int, __net_Accept, ( vlc_object_t *p_this, int fd_listen, mtime_t i_wait ) ); + +#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 ) ); + + +/* 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 ) ); +#endif