71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
from collections import namedtuple
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import Queue
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import random
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from threading import current_thread, enumerate as threadingEnumerate, RLock
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import time
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#from helper_sql import *
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from singleton import Singleton
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UploadElem = namedtuple("UploadElem", "stream identifier")
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class UploadQueueDeadlineException(Exception):
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pass
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class UploadQueue(object):
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queueCount = 10
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def __init__(self):
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self.queue = []
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self.lastGet = 0
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self.getIterator = 0
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for i in range(UploadQueue.queueCount):
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self.queue.append([])
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def put(self, item):
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self.queue[random.randrange(0, UploadQueue.queueCount)].append(item)
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def get(self):
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i = UploadQueue.queueCount
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retval = []
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while self.lastGet < time.time() - 1 and i > 0:
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if len(self.queue) > 0:
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retval.extend(self.queue[self.getIterator])
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self.queue[self.getIterator] = []
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self.lastGet += 1
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# only process each queue once
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i -= 1
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self.getIterator = (self.getIterator + 1) % UploadQueue.queueCount
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if self.lastGet < time.time() - 1:
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self.lastGet = time.time()
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return retval
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def streamElems(self, stream):
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retval = {}
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for q in self.queue:
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for elem in q:
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if elem.stream == stream:
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retval[elem.identifier] = True
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return retval
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def len(self):
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retval = 0
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for i in range(UploadQueue.queueCount):
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retval += len(self.queue[i])
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return retval
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def stop(self):
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for i in range(UploadQueue.queueCount):
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self.queue[i] = []
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@Singleton
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class AddrUploadQueue(UploadQueue):
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pass
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@Singleton
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class ObjUploadQueue(UploadQueue):
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pass
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