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/*****************************************************************************
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 * network.h: interface to communicate with network plug-ins
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 *****************************************************************************
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 * Copyright (C) 2002 VideoLAN
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 * $Id: network.h,v 1.5 2003/11/07 17:44:43 fenrir Exp $
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 *
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 * Authors: Christophe Massiot <massiot@via.ecp.fr>
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 *          Laurent Aimar <fenrir@via.ecp.fr>
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 *
 * 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
 * (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.
 *
 * 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.
 *****************************************************************************/

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/*****************************************************************************
 * network_socket_t: structure passed to a network plug-in to define the
 *                   kind of socket we want
 *****************************************************************************/
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struct network_socket_t
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{
    unsigned int i_type;

    char * psz_bind_addr;
    int i_bind_port;

    char * psz_server_addr;
    int i_server_port;

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    int i_ttl;

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    /* Return values */
    int i_handle;
    size_t i_mtu;
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};
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/* Socket types */
#define NETWORK_UDP 1
#define NETWORK_TCP 2

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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 = strdup( psz_url );
    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;

    p  = strchr( psz_dup, ':' );

    if( p )
    {
        /* 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';
            }

            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;
}