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Code Issues Releases Wiki Activity

#765: for every consecutive scrape failure, wait longer before trying again.

This commit is contained in:
Charles Kerr 2008-04-12 22:37:03 +00:00
parent 002ce54335
commit 48e5a660df
1 changed files with 33 additions and 5 deletions
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38
libtransmission/tracker.c
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@ -80,6 +80,7 @@ struct tr_tracker
int announceIntervalSec;
int announceMinIntervalSec;
int scrapeIntervalSec;
int retryScrapeIntervalSec;
tr_tracker_info * redirect;
tr_tracker_info * addresses;
@ -563,7 +564,7 @@ static void
onScrapeResponse( struct evhttp_request * req, void * vhash )
{
int tryAgain;
time_t nextScrapeSec = 60;
int responseCode;
struct torrent_hash * torrent_hash = (struct torrent_hash*) vhash;
tr_tracker * t = findTrackerFromHash( torrent_hash );
@ -619,7 +620,7 @@ onScrapeResponse( struct evhttp_request * req, void * vhash )
tr_ndbg( t->name, "Scrape successful. Rescraping in %d seconds.",
t->scrapeIntervalSec );
nextScrapeSec = t->scrapeIntervalSec;
t->retryScrapeIntervalSec = 30;
}
}
@ -629,10 +630,36 @@ onScrapeResponse( struct evhttp_request * req, void * vhash )
updateAddresses( t, req, &tryAgain );
if( tryAgain )
t->scrapeAt = time( NULL );
/**
***
**/
if( tryAgain )
responseCode = 300;
else if( req )
responseCode = req->response_code;
else
t->scrapeAt = time( NULL ) + t->randOffset + nextScrapeSec;
responseCode = 503;
if( 200<=responseCode && responseCode<=299 )
{
const int interval = t->scrapeIntervalSec + t->randOffset;
dbgmsg( t, "request succeeded. rescraping in %d seconds", interval );
t->scrapeAt = time( NULL ) + interval;
}
else if( 300<=responseCode && responseCode<=399 )
{
const int interval = 5;
dbgmsg( t, "got a redirect. retrying in %d seconds", interval );
t->scrapeAt = time( NULL ) + interval;
}
else
{
const int interval = t->retryScrapeIntervalSec + t->randOffset;
dbgmsg( t, "Tracker responded to scrape with %d. Retrying in %d seconds.", responseCode, interval );
t->retryScrapeIntervalSec *= 2;
t->scrapeAt = time( NULL ) + interval;
}
}
/***
@ -1041,6 +1068,7 @@ tr_trackerNew( const tr_torrent * torrent )
t = tr_new0( tr_tracker, 1 );
t->handle = torrent->handle;
t->scrapeIntervalSec = DEFAULT_SCRAPE_INTERVAL_SEC;
t->retryScrapeIntervalSec = 60;
t->announceIntervalSec = DEFAULT_ANNOUNCE_INTERVAL_SEC;
t->announceMinIntervalSec = DEFAULT_ANNOUNCE_MIN_INTERVAL_SEC;
generateKeyParam( t->key_param, KEYLEN );