+ $m = getBucketMemcache();
+ $iCurrentSleeping = $m->increment('sleepCounter');
+ if (false === $iCurrentSleeping)
+ {
+ $m->add('sleepCounter', 0);
+ $iCurrentSleeping = $m->increment('sleepCounter');
+ }
+ if ($iCurrentSleeping >= CONST_ConnectionBucket_MaxSleeping || isBucketSleeping($aBucketKeys))
+ {
+ // Too many threads sleeping already. This becomes a hard block.
+ $fBucketVal = doBucket($aBucketKeys, CONST_ConnectionBucket_BlockLimit, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
+ }
+ else
+ {
+ setBucketSleeping($aBucketKeys, true);
+ sleep(($fBucketVal - CONST_ConnectionBucket_WaitLimit)/CONST_ConnectionBucket_LeakRate);
+ $fBucketVal = doBucket($aBucketKeys, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_LeakRate, CONST_ConnectionBucket_BlockLimit);
+ setBucketSleeping($aBucketKeys, false);
+ }
+ $m->decrement('sleepCounter');
+ }
+
+ if (strpos(CONST_BlockedIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false || $fBucketVal >= CONST_ConnectionBucket_BlockLimit)
+ {
+ header("HTTP/1.0 429 Too Many Requests");