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PyBitmessage/src/knownnodes.py

26 lines
704 B

import pickle
import threading
import state
knownNodesLock = threading.Lock()
knownNodes = {}
knownNodesMax = 20000
knownNodesTrimAmount = 2000
def saveKnownNodes(dirName = None):
if dirName is None:
dirName = state.appdata
with knownNodesLock:
with open(dirName + 'knownnodes.dat', 'wb') as output:
pickle.dump(knownNodes, output)
def trimKnownNodes(recAddrStream = 1):
if len(knownNodes[recAddrStream]) < knownNodesMax:
return
with knownNodesLock:
oldestList = sorted(knownNodes[recAddrStream], key=knownNodes[recAddrStream].get)[:knownNodesTrimAmount]
for oldest in oldestList:
del knownNodes[recAddrStream][oldest]