34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
import threading
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import time
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from logger import Logger
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class Expirer(threading.Thread):
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def __init__(self, entries, eventLifeTime, nullAddress, expiryPeriod, dnsq):
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threading.Thread.__init__(self)
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self.entries = entries
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self.eventLifeTime = eventLifeTime
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self.nullAddress = nullAddress
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self.expiryPeriod = expiryPeriod
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self.dnsq = dnsq
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self.setDaemon(True)
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def run(self):
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while True:
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Logger.debug("Expiring ...")
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currentTime = int(time.time())
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for entry in self.entries.values():
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Logger.debug("Checking %s" % str(entry))
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if entry.lastEventTime != 0 and entry.lastEventTime + self.eventLifeTime < currentTime:
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Logger.debug("Entry %s expired" % entry.dynid)
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entry.lastEventTime = 0
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entry.address = self.nullAddress
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Logger.debug("Set in DNS: %s -> %s" % (entry.name, entry.address))
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try:
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self.dnsq.put_nowait(entry)
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except Queue.Full, e:
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Logger.log("Dns Queue overrun, drop expiry of %s" % str(entry))
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time.sleep(self.expiryPeriod)
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