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/* $Id: update.c,v 1.7 2005/03/26 23:04:14 titer Exp $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#include "hb.h"
#define HB_URL "handbrake.fr"
#define HB_QUERY "GET /LATEST HTTP/1.0\r\nHost: " HB_URL "\r\n\r\n"
typedef struct
{
int * build;
char * version;
} hb_update_t;
static void UpdateFunc( void * );
hb_thread_t * hb_update_init( int * build, char * version )
{
hb_update_t * data = calloc( sizeof( hb_update_t ), 1 );
data->build = build;
data->version = version;
return hb_thread_init( "update", UpdateFunc, data,
HB_NORMAL_PRIORITY );
}
static void UpdateFunc( void * _data )
{
hb_update_t * data = (hb_update_t *) _data;
hb_net_t * net;
int ret;
char buf[1024];
char * cur, * end, * p;
int size;
int stable, unstable;
char stable_str[16], unstable_str[16];
int i;
if( !( net = hb_net_open( HB_URL, 80 ) ) )
{
goto error;
}
if( hb_net_send( net, HB_QUERY ) < 0 )
{
hb_net_close( &net );
goto error;
}
size = 0;
memset( buf, 0, 1024 );
for( ;; )
{
ret = hb_net_recv( net, &buf[size], sizeof( buf ) - size );
if( ret < 1 )
{
hb_net_close( &net );
break;
}
size += ret;
}
cur = buf;
end = &buf[sizeof( buf )];
/* Make sure we got it */
cur += 9;
if( size < 15 || strncmp( cur, "200 OK", 6 ) )
{
/* Something went wrong */
goto error;
}
cur += 6;
/* Find the end of the headers and the beginning of the content */
for( ; &cur[3] < end; cur++ )
{
if( cur[0] == '\r' && cur[1] == '\n' &&
cur[2] == '\r' && cur[3] == '\n' )
{
cur += 4;
break;
}
}
if( cur >= end )
{
goto error;
}
stable = strtol( cur, &p, 10 );
if( cur == p )
{
goto error;
}
cur = p + 1;
memset( stable_str, 0, sizeof( stable_str ) );
for( i = 0;
i < sizeof( stable_str ) - 1 && cur < end && *cur != '\n';
i++, cur++ )
{
stable_str[i] = *cur;
}
hb_log( "latest stable: %s, build %d", stable_str, stable );
cur++;
if( cur >= end )
{
goto error;
}
unstable = strtol( cur, &p, 10 );
if( cur == p )
{
goto error;
}
cur = p + 1;
memset( unstable_str, 0, sizeof( unstable_str ) );
for( i = 0;
i < sizeof( unstable_str ) - 1 && cur < end && *cur != '\n';
i++, cur++ )
{
unstable_str[i] = *cur;
}
hb_log( "latest unstable: %s, build %d", unstable_str, unstable );
if( HB_BUILD % 100 )
{
/* We are runnning an unstable build */
if( unstable > HB_BUILD )
{
memcpy( data->version, unstable_str, sizeof( unstable_str ) );
*(data->build) = unstable;
}
}
else
{
/* We are runnning an stable build */
if( stable > HB_BUILD )
{
memcpy( data->version, stable_str, sizeof( stable_str ) );
*(data->build) = stable;
}
}
error:
free( data );
return;
}
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