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code tweaks

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This commit is contained in:
Charles Kerr 2008-04-24 03:26:36 +00:00
parent caf485d6fb
commit a97d175a34
1 changed files with 86 additions and 95 deletions
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181
libtransmission/metainfo.c
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@ -45,8 +45,6 @@
/***********************************************************************
* Local prototypes
**********************************************************************/
static int getannounce( tr_info * inf, tr_benc * meta );
static char * announceToScrape( const char * announce );
static int parseFiles( tr_info * inf, tr_benc * name,
tr_benc * files, tr_benc * length );
@ -191,6 +189,92 @@ tr_metainfoMigrate( tr_handle * handle,
}
}
static char *
announceToScrape( const char * announce )
{
char * scrape = NULL;
const char * s;
/* To derive the scrape URL use the following steps:
* Begin with the announce URL. Find the last '/' in it.
* If the text immediately following that '/' isn't 'announce'
* it will be taken as a sign that that tracker doesn't support
* the scrape convention. If it does, substitute 'scrape' for
* 'announce' to find the scrape page. */
if((( s = strrchr( announce, '/' ))) && !strncmp( ++s, "announce", 8 ))
{
struct evbuffer * buf = evbuffer_new( );
evbuffer_add( buf, announce, s-announce );
evbuffer_add( buf, "scrape", 6 );
evbuffer_add_printf( buf, "%s", s+8 );
scrape = tr_strdup( ( char * ) EVBUFFER_DATA( buf ) );
evbuffer_free( buf );
}
return scrape;
}
static int
getannounce( tr_info * inf, tr_benc * meta )
{
const char * str;
tr_tracker_info * trackers = NULL;
int trackerCount = 0;
tr_benc * tiers;
/* Announce-list */
if( tr_bencDictFindList( meta, "announce-list", &tiers ) )
{
int n;
int i, j;
n = 0;
for( i=0; i<tiers->val.l.count; ++i )
n += tiers->val.l.vals[i].val.l.count;
trackers = tr_new0( tr_tracker_info, n );
trackerCount = 0;
for( i=0; i<tiers->val.l.count; ++i ) {
const tr_benc * tier = &tiers->val.l.vals[i];
for( j=0; tr_bencIsList(tier) && j<tier->val.l.count; ++j ) {
const tr_benc * a = &tier->val.l.vals[j];
if( tr_bencIsString( a ) && tr_httpIsValidURL( a->val.s.s ) ) {
tr_tracker_info * t = trackers + trackerCount++;
t->tier = i;
t->announce = tr_strndup( a->val.s.s, a->val.s.i );
t->scrape = announceToScrape( a->val.s.s );
/*fprintf( stderr, "tier %d: %s\n", i, a->val.s.s );*/
}
}
}
/* did we use any of the tiers? */
if( !trackerCount ) {
tr_inf( _( "Invalid metadata entry \"%s\"" ), "announce-list" );
tr_free( trackers );
trackers = NULL;
}
}
/* Regular announce value */
if( !trackerCount
&& tr_bencDictFindStr( meta, "announce", &str )
&& tr_httpIsValidURL( str ) )
{
trackers = tr_new0( tr_tracker_info, 1 );
trackers[trackerCount].tier = 0;
trackers[trackerCount].announce = tr_strdup( str );
trackers[trackerCount++].scrape = announceToScrape( str );
/*fprintf( stderr, "single announce: [%s]\n", str );*/
}
inf->trackers = trackers;
inf->trackerCount = trackerCount;
return inf->trackerCount ? TR_OK : TR_ERROR;
}
int
tr_metainfoParse( const tr_handle * handle,
tr_info * inf,
@ -313,9 +397,7 @@ tr_metainfoParse( const tr_handle * handle,
/* get announce or announce-list */
if( getannounce( inf, meta ) )
{
goto fail;
}
/* filename of Transmission's copy */
getTorrentFilename( handle, inf, buf, sizeof( buf ) );
@ -409,97 +491,6 @@ getfile( char ** setme, const char * prefix, tr_benc * name )
return TR_OK;
}
static int getannounce( tr_info * inf, tr_benc * meta )
{
const char * str;
tr_tracker_info * trackers = NULL;
int trackerCount = 0;
tr_benc * tiers;
/* Announce-list */
if( tr_bencDictFindList( meta, "announce-list", &tiers ) )
{
int n;
int i, j;
n = 0;
for( i=0; i<tiers->val.l.count; ++i )
n += tiers->val.l.vals[i].val.l.count;
trackers = tr_new0( tr_tracker_info, n );
trackerCount = 0;
for( i=0; i<tiers->val.l.count; ++i ) {
const tr_benc * tier = &tiers->val.l.vals[i];
for( j=0; tr_bencIsList(tier) && j<tier->val.l.count; ++j ) {
const tr_benc * address = &tier->val.l.vals[j];
if( tr_bencIsString( address ) && tr_httpIsValidURL( address->val.s.s ) ) {
trackers[trackerCount].tier = i;
trackers[trackerCount].announce = tr_strndup( address->val.s.s, address->val.s.i );
trackers[trackerCount++].scrape = announceToScrape( address->val.s.s );
/*fprintf( stderr, "tier %d: %s\n", i, address->val.s.s );*/
}
}
}
/* did we use any of the tiers? */
if( !trackerCount ) {
tr_inf( _( "Invalid metadata entry \"%s\"" ), "announce-list" );
tr_free( trackers );
trackers = NULL;
}
}
/* Regular announce value */
if( !trackerCount
&& tr_bencDictFindStr( meta, "announce", &str )
&& tr_httpIsValidURL( str ) )
{
trackers = tr_new0( tr_tracker_info, 1 );
trackers[trackerCount].tier = 0;
trackers[trackerCount].announce = tr_strdup( str );
trackers[trackerCount++].scrape = announceToScrape( str );
/*fprintf( stderr, "single announce: [%s]\n", str );*/
}
inf->trackers = trackers;
inf->trackerCount = trackerCount;
return TR_OK;
}
static char *
announceToScrape( const char * announce )
{
char * scrape = NULL;
const char * slash;
struct evbuffer * buf;
/* To derive the scrape URL use the following steps:
* Begin with the announce URL. Find the last '/' in it.
* If the text immediately following that '/' isn't 'announce'
* it will be taken as a sign that that tracker doesn't support
* the scrape convention. If it does, substitute 'scrape' for
* 'announce' to find the scrape page. */
/* is the last slash followed by "announce"? */
slash = strrchr( announce, '/' );
if( !slash )
return NULL;
++slash;
if( strncmp( slash, "announce", 8 ) )
return NULL;
/* build the scrape url */
buf = evbuffer_new( );
evbuffer_add( buf, announce, slash-announce );
evbuffer_add( buf, "scrape", 6 );
evbuffer_add_printf( buf, "%s", slash+8 );
scrape = tr_strdup( ( char * ) EVBUFFER_DATA( buf ) );
evbuffer_free( buf );
return scrape;
}
void
tr_metainfoRemoveSaved( const tr_handle * handle,
const tr_info * inf )