async def _command_queue_loop(self):
while True:
try:
command = await self.command_queue.get()
self.circuit.process_command(command)
except curio.TaskCancelled:
break
except Exception as ex:
self.log.error('Command queue evaluation failed: {!r}'
''.format(command),
exc_info=ex)
continue
if isinstance(command, (ca.ReadNotifyResponse, ca.ReadResponse,
ca.WriteNotifyResponse)):
user_event = self.ioids.pop(command.ioid)
self.ioid_data[command.ioid] = command
await user_event.set()
elif isinstance(command, ca.EventAddResponse):
user_queue = self.subscriptionids[command.subscriptionid]
await user_queue.put(command)
elif isinstance(command, ca.EventCancelResponse):
self.subscriptionids.pop(command.subscriptionid)
elif isinstance(command, ca.ErrorResponse):
original_req = command.original_request
cmd_class = ca.get_command_class(ca.CLIENT, original_req)
if cmd_class in (ca.ReadNotifyRequest, ca.ReadRequest,
ca.WriteNotifyRequest):
ioid = original_req.parameter2
user_event = self.ioids.pop(ioid)
self.ioid_data[ioid] = command
await user_event.set()
async with self.new_command_condition:
await self.new_command_condition.notify_all()
async def _command_queue_loop(self):
receiver = self.command_chan.receive
while True:
try:
command = await receiver.receive()
self.circuit.process_command(command)
except Exception as ex:
self.log.error('Command queue evaluation failed: {!r}'
''.format(command),
exc_info=ex)
continue
if command is ca.DISCONNECTED:
self.log.debug('Command queue loop exiting')
break
elif isinstance(command, (ca.ReadNotifyResponse, ca.ReadResponse,
ca.WriteNotifyResponse)):
user_event = self.ioids.pop(command.ioid)
self.ioid_data[command.ioid] = command
user_event.set()
elif isinstance(command, ca.EventAddResponse):
if command.subscriptionid in self.circuit.event_add_commands:
user_queue = self.subscriptionids[command.subscriptionid]
await user_queue.put(command)
else:
self.subscriptionids.pop(command.subscriptionid)
elif isinstance(command, ca.EventCancelResponse):
self.subscriptionids.pop(command.subscriptionid)
elif isinstance(command, ca.ErrorResponse):
original_req = command.original_request
cmd_class = ca.get_command_class(ca.CLIENT, original_req)
if cmd_class in (ca.ReadNotifyRequest, ca.ReadRequest,
ca.WriteNotifyRequest):
ioid = original_req.parameter2
user_event = self.ioids.pop(ioid)
self.ioid_data[ioid] = command
user_event.set()
async with self.new_command_condition:
self.new_command_condition.notify_all()
