protected override void threadmain()
{
using (updateDB db = new updateDB(Program.connstr, Program.dbName))
{
// Read anything we queued in a previous run
foreach (var alreadyClaimed in db.getClaimedUpdate())
{
claimedUpdates.Enqueue(alreadyClaimed);
}
// Make sure we have at least highWaterMark updates queued (if they are available)
while (claimedUpdates.Count < highWaterMark)
{
wsusUpdate nextUpdate = db.startNextUpdate();
if (nextUpdate == null)
{
_allUpdatesExhausted = true;
exitTime = true;
break;
}
claimedUpdates.Enqueue(nextUpdate);
}
while (true)
{
// if we drop below the low water mark, queue updates until we get to the high water mark.
if (claimedUpdates.Count < lowWaterMark)
{
while (claimedUpdates.Count < highWaterMark)
{
wsusUpdate nextUpdate = db.startNextUpdate();
if (nextUpdate == null)
{
_allUpdatesExhausted = true;
exitTime = true;
break;
}
claimedUpdates.Enqueue(nextUpdate);
}
}
if (exitTime)
{
// TODO: should we unmark what we have in progress before exiting?
break;
}
pollTimer.WaitOne(100);
}
}
}
