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Remove ServiceBrowser as a listener from Zeroconf when the service finishes #20

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morpav wants to merge 1 commit into from
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Remove ServiceBrowser as a listener from Zeroconf when the service finishes #20

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43 changes: 23 additions & 20 deletions zeroconf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1040,27 +1040,30 @@ def cancel(self):
self.zc.notify_all()

def run(self):
while True:
now = current_time_millis()
if len(self._handlers_to_call) == 0 and self.next_time > now:
self.zc.wait(self.next_time - now)
if _GLOBAL_DONE or self.done:
return
now = current_time_millis()
try:
while True:
now = current_time_millis()
if len(self._handlers_to_call) == 0 and self.next_time > now:
self.zc.wait(self.next_time - now)
if _GLOBAL_DONE or self.done:
return
now = current_time_millis()

if self.next_time <= now:
out = DNSOutgoing(_FLAGS_QR_QUERY)
out.add_question(DNSQuestion(self.type, _TYPE_PTR, _CLASS_IN))
for record in self.services.values():
if not record.is_expired(now):
out.add_answer_at_time(record, now)
self.zc.send(out)
self.next_time = now + self.delay
self.delay = min(20 * 1000, self.delay * 2)

if len(self._handlers_to_call) > 0:
handler = self._handlers_to_call.pop(0)
handler(self.zc)
if self.next_time <= now:
out = DNSOutgoing(_FLAGS_QR_QUERY)
out.add_question(DNSQuestion(self.type, _TYPE_PTR, _CLASS_IN))
for record in self.services.values():
if not record.is_expired(now):
out.add_answer_at_time(record, now)
self.zc.send(out)
self.next_time = now + self.delay
self.delay = min(20 * 1000, self.delay * 2)

if len(self._handlers_to_call) > 0:
handler = self._handlers_to_call.pop(0)
handler(self.zc)
finally:
self.zc.remove_listener(self)


class ServiceInfo(object):
Expand Down