57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""
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Process data incoming from network
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"""
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import errno
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import Queue
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import socket
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import state
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from network.advanceddispatcher import UnknownStateError
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from network.connectionpool import BMConnectionPool
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from queues import receiveDataQueue
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from threads import StoppableThread
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class ReceiveQueueThread(StoppableThread):
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"""This thread processes data received from the network
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(which is done by the asyncore thread)"""
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def __init__(self, num=0):
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super(ReceiveQueueThread, self).__init__(name="ReceiveQueue_%i" % num)
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def run(self):
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while not self._stopped and state.shutdown == 0:
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try:
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dest = receiveDataQueue.get(block=True, timeout=1)
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except Queue.Empty:
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continue
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if self._stopped or state.shutdown:
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break
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# cycle as long as there is data
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# methods should return False if there isn't enough data,
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# or the connection is to be aborted
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# state_* methods should return False if there isn't
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# enough data, or the connection is to be aborted
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try:
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connection = BMConnectionPool().getConnectionByAddr(dest)
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# connection object not found
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except KeyError:
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receiveDataQueue.task_done()
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continue
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try:
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connection.process()
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# state isn't implemented
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except UnknownStateError:
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pass
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except socket.error as err:
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if err.errno == errno.EBADF:
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connection.set_state("close", 0)
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else:
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self.logger.error('Socket error: %s', err)
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except:
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self.logger.error('Error processing', exc_info=True)
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receiveDataQueue.task_done()
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