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fix tracker crash caused by the new add/remove tracker code reported by BentMyWookie

This commit is contained in:
Charles Kerr 2008-06-04 23:46:32 +00:00
parent e0345e462a
commit b92e88b29c
2 changed files with 20 additions and 15 deletions
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23
libtransmission/tracker.c
View File

@ -115,15 +115,20 @@ struct tr_tracker
***/
static const tr_tracker_info *
getCurrentAddressFromTorrent( const tr_tracker * t, const tr_torrent * tor )
getCurrentAddressFromTorrent( tr_tracker * t, const tr_torrent * tor )
{
/* user might have removed trackers,
* so check to make sure our current index is in-bounds */
if( t->trackerIndex >= tor->info.trackerCount )
t->trackerIndex = 0;
assert( t->trackerIndex >= 0 );
assert( t->trackerIndex < tor->info.trackerCount );
return tor->info.trackers + t->trackerIndex;
}
static const tr_tracker_info *
getCurrentAddress( const tr_tracker * t )
getCurrentAddress( tr_tracker * t )
{
const tr_torrent * torrent;
if(( torrent = tr_torrentFindFromHash( t->session, t->hash )))
@ -132,7 +137,7 @@ getCurrentAddress( const tr_tracker * t )
}
static int
trackerSupportsScrape( const tr_tracker * t, const tr_torrent * tor )
trackerSupportsScrape( tr_tracker * t, const tr_torrent * tor )
{
const tr_tracker_info * info = getCurrentAddressFromTorrent( t, tor );
return info && info->scrape;
@ -554,7 +559,7 @@ freeRequest( struct tr_tracker_request * req )
}
static void
buildTrackerRequestURI( const tr_tracker * t,
buildTrackerRequestURI( tr_tracker * t,
const tr_torrent * torrent,
const char * eventName,
struct evbuffer * buf )
@ -592,7 +597,7 @@ buildTrackerRequestURI( const tr_tracker * t,
}
static struct tr_tracker_request*
createRequest( tr_session * session, const tr_tracker * tracker, int reqtype )
createRequest( tr_session * session, tr_tracker * tracker, int reqtype )
{
static const char* strings[] = { "started", "completed", "stopped", "", "err" };
const tr_torrent * torrent = tr_torrentFindFromHash( session, tracker->hash );
@ -617,7 +622,7 @@ createRequest( tr_session * session, const tr_tracker * tracker, int reqtype )
}
static struct tr_tracker_request*
createScrape( tr_session * session, const tr_tracker * tracker )
createScrape( tr_session * session, tr_tracker * tracker )
{
const tr_tracker_info * a = getCurrentAddress( tracker );
struct tr_tracker_request * req;
@ -726,7 +731,7 @@ invokeRequest( void * vreq )
static void ensureGlobalsExist( tr_session * );
static void
enqueueScrape( tr_session * session, const tr_tracker * tracker )
enqueueScrape( tr_session * session, tr_tracker * tracker )
{
struct tr_tracker_request * req;
ensureGlobalsExist( session );
@ -735,7 +740,7 @@ enqueueScrape( tr_session * session, const tr_tracker * tracker )
}
static void
enqueueRequest( tr_session * session, const tr_tracker * tracker, int reqtype )
enqueueRequest( tr_session * session, tr_tracker * tracker, int reqtype )
{
struct tr_tracker_request * req;
ensureGlobalsExist( session );
@ -899,7 +904,7 @@ tr_trackerUnsubscribe( tr_tracker * t,
}
const tr_tracker_info *
tr_trackerGetAddress( const tr_tracker * t )
tr_trackerGetAddress( tr_tracker * t )
{
return getCurrentAddress( t );
}

12
libtransmission/tracker.h
View File

@ -60,12 +60,12 @@ typedef struct
}
tr_tracker_event;
tr_publisher_tag tr_trackerSubscribe ( struct tr_tracker * tag,
tr_delivery_func func,
void * user );
tr_publisher_tag tr_trackerSubscribe ( struct tr_tracker * tag,
tr_delivery_func func,
void * user );
void tr_trackerUnsubscribe ( struct tr_tracker * tracker,
tr_publisher_tag tag );
void tr_trackerUnsubscribe ( struct tr_tracker * tracker,
tr_publisher_tag tag );
/***
****
@ -84,7 +84,7 @@ void tr_trackerReannounce ( struct tr_tracker * );
void tr_trackerChangeMyPort ( struct tr_tracker * );
const tr_tracker_info * tr_trackerGetAddress( const struct tr_tracker * );
const tr_tracker_info * tr_trackerGetAddress( struct tr_tracker * );
int tr_trackerCanManualAnnounce ( const struct tr_tracker * );