SessionCache.py 文件源码

def __init__(self, maxEntries=10000, maxAge=14400):
        """Create a new SessionCache.

        @type maxEntries: int
        @param maxEntries: The maximum size of the cache.  When this
        limit is reached, the oldest sessions will be deleted as
        necessary to make room for new ones.  The default is 10000.

        @type maxAge: int
        @param maxAge:  The number of seconds before a session expires
        from the cache.  The default is 14400 (i.e. 4 hours)."""

        self.lock = thread.allocate_lock()

        # Maps sessionIDs to sessions
        self.entriesDict = {}

        #Circular list of (sessionID, timestamp) pairs
        self.entriesList = [(None,None)] * maxEntries

        self.firstIndex = 0
        self.lastIndex = 0
        self.maxAge = maxAge