@DB
public void scheduleRulesetUpdateToHosts(
List<Long> affectedVms, boolean updateSeqno, Long delayMs) {
if (affectedVms.size() == 0) {
return;
}
if (delayMs == null) {
delayMs = new Long(100l);
}
Collections.sort(affectedVms);
if (s_logger.isTraceEnabled()) {
s_logger.trace(
"Security Group Mgr: scheduling ruleset updates for " + affectedVms.size() + " vms");
}
boolean locked = _workLock.lock(_globalWorkLockTimeout);
if (!locked) {
s_logger.warn("Security Group Mgr: failed to acquire global work lock");
return;
}
if (s_logger.isTraceEnabled()) {
s_logger.trace("Security Group Mgr: acquired global work lock");
}
Transaction txn = Transaction.currentTxn();
try {
txn.start();
for (Long vmId : affectedVms) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Security Group Mgr: scheduling ruleset update for " + vmId);
}
VmRulesetLogVO log = null;
SecurityGroupWorkVO work = null;
log = _rulesetLogDao.findByVmId(vmId);
if (log == null) {
log = new VmRulesetLogVO(vmId);
log = _rulesetLogDao.persist(log);
}
if (log != null && updateSeqno) {
log.incrLogsequence();
_rulesetLogDao.update(log.getId(), log);
}
work = _workDao.findByVmIdStep(vmId, Step.Scheduled);
if (work == null) {
work = new SecurityGroupWorkVO(vmId, null, null, SecurityGroupWork.Step.Scheduled, null);
work = _workDao.persist(work);
if (s_logger.isTraceEnabled()) {
s_logger.trace(
"Security Group Mgr: created new work item for " + vmId + "; id = " + work.getId());
}
}
work.setLogsequenceNumber(log.getLogsequence());
_workDao.update(work.getId(), work);
}
txn.commit();
for (Long vmId : affectedVms) {
_executorPool.schedule(new WorkerThread(), delayMs, TimeUnit.MILLISECONDS);
}
} finally {
_workLock.unlock();
if (s_logger.isTraceEnabled()) {
s_logger.trace("Security Group Mgr: released global work lock");
}
}
}
