コード例 #1
0
    void initializationCallback(Event *e) 
    {
        DataObjectRefList dObjs = e->getDataObjectList();
        
        for (DataObjectRefList::iterator it = dObjs.begin(); it != dObjs.end(); it++) {
            DataObjectRef dObj = *it;
            if (!purger->isResponsibleForDataObject(dObj)) {
                continue;
            }
            double now = (Timeval::now()).getTimeAsSecondsDouble();
            double then = (dObj->getReceiveOrCreateTime()).getTimeAsSecondsDouble();
		    const Attribute *attr = dObj->getAttribute(purger->getMetricField(), "*", 1);
            double ttl = atof(attr->getValue().c_str()); 

            if (now < (then + ttl + purger->getMinDBTimeS())) {
                purger->schedulePurge(dObj);
            } 
            else {
                kernel->getDataStore()->deleteDataObject(dObj, purger->getKeepInBloomfilter());
            }
        }
    }
コード例 #2
0
void
CachePurgerRelTTL::schedulePurge(
    DataObjectRef &dObj) 
{
    if (!isResponsibleForDataObject(dObj)) {
        HAGGLE_ERR("Cannot schedule purge for DO not responsible for\n");
        return;
    }

    const Attribute *attr = dObj->getAttribute(metricField, "*", 1);
    if (!attr) {
        HAGGLE_ERR("Attribute not specified\n");
        return;
    }

    double now = (Timeval::now()).getTimeAsSecondsDouble();
    double ttl = atof(attr->getValue().c_str());
    double then = (dObj->getReceiveOrCreateTime()).getTimeAsSecondsDouble();
    
    double expTime = ttl - (now - then); 
    expTime = expTime > minDBtimeS ? expTime : minDBtimeS;

    getKernel()->addEvent(new Event(deleteCallback, dObj, expTime));
}