62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
"""Most of the queues used by bitmessage threads are defined here."""
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import threading
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import time
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from six.moves import queue
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try:
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from multiqueue import MultiQueue
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except ImportError:
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try:
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from .multiqueue import MultiQueue
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except ImportError:
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import sys
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if 'bitmessagemock' not in sys.modules:
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raise
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MultiQueue = queue.Queue
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class ObjectProcessorQueue(queue.Queue):
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"""Special queue class using lock for `.threads.objectProcessor`"""
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maxSize = 32000000
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def __init__(self):
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queue.Queue.__init__(self)
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self.sizeLock = threading.Lock()
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#: in Bytes. We maintain this to prevent nodes from flooding us
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#: with objects which take up too much memory. If this gets
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#: too big we'll sleep before asking for further objects.
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self.curSize = 0
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def put(self, item, block=True, timeout=None):
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while self.curSize >= self.maxSize:
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time.sleep(1)
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with self.sizeLock:
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self.curSize += len(item[1])
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queue.Queue.put(self, item, block, timeout)
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def get(self, block=True, timeout=None):
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item = queue.Queue.get(self, block, timeout)
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with self.sizeLock:
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self.curSize -= len(item[1])
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return item
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workerQueue = queue.Queue()
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UISignalQueue = queue.Queue()
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addressGeneratorQueue = queue.Queue()
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#: `.network.ReceiveQueueThread` instances dump objects they hear
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#: on the network into this queue to be processed.
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objectProcessorQueue = ObjectProcessorQueue()
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invQueue = MultiQueue()
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addrQueue = MultiQueue()
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portCheckerQueue = queue.Queue()
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receiveDataQueue = queue.Queue()
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#: The address generator thread uses this queue to get information back
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#: to the API thread.
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apiAddressGeneratorReturnQueue = queue.Queue()
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#: for exceptions
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excQueue = queue.Queue()
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