52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
"""Most of the queues used by bitmessage threads are defined here."""
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import Queue
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import threading
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import time
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from multiqueue import MultiQueue
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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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#: receiveDataThreads dump objects they hear on the network into this
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#: 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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