def checkpoint(self, auto=0):
self._saveSelfNode()
self._dumpRoutingTable()
self.refreshTable()
if auto:
reactor.callLater(
randrange(int(const.CHECKPOINT_INTERVAL * .9),
int(const.CHECKPOINT_INTERVAL * 1.1)),
self.checkpoint, (1, ))
def setup(self, host, port, db='khashmir.db'):
self._findDB(db)
self.port = port
self.node = self._loadSelfNode(host, port)
self.table = KTable(self.node)
#self.app = service.Application("krpc")
self.udp = krpc.hostbroker(self)
self.udp.protocol = krpc.KRPC
self.listenport = reactor.listenUDP(port, self.udp)
self.last = time.time()
self._loadRoutingTable()
KeyExpirer(store=self.store)
self.refreshTable(force=1)
reactor.callLater(60, self.checkpoint, (1,))
def setup(self, host, port, db='khashmir.db'):
self._findDB(db)
self.port = port
self.node = self._loadSelfNode(host, port)
self.table = KTable(self.node)
#self.app = service.Application("krpc")
self.udp = krpc.hostbroker(self)
self.udp.protocol = krpc.KRPC
self.listenport = reactor.listenUDP(port, self.udp)
self.last = time.time()
self._loadRoutingTable()
KeyExpirer(store=self.store)
self.refreshTable(force=1)
reactor.callLater(60, self.checkpoint, (1, ))
def valueForKey(self, key, callback, searchlocal = 1):
""" returns the values found for key in global table
callback will be called with a list of values for each peer that returns unique values
final callback will be an empty list - probably should change to 'more coming' arg
"""
nodes = self.table.findNodes(key)
# get locals
if searchlocal:
l = self.retrieveValues(key)
if len(l) > 0:
reactor.callLater(0, callback, (l))
else:
l = []
# create our search state
state = GetValue(self, key, callback)
reactor.callFromThread(state.goWithNodes, nodes, l)
def valueForKey(self, key, callback, searchlocal=1):
""" returns the values found for key in global table
callback will be called with a list of values for each peer that returns unique values
final callback will be an empty list - probably should change to 'more coming' arg
"""
nodes = self.table.findNodes(key)
# get locals
if searchlocal:
l = self.retrieveValues(key)
if len(l) > 0:
reactor.callLater(0, callback, (l))
else:
l = []
# create our search state
state = GetValue(self, key, callback)
reactor.callFromThread(state.goWithNodes, nodes, l)
def checkpoint(self, auto=0):
self._saveSelfNode()
self._dumpRoutingTable()
self.refreshTable()
if auto:
reactor.callLater(randrange(int(const.CHECKPOINT_INTERVAL * .9), int(const.CHECKPOINT_INTERVAL * 1.1)), self.checkpoint, (1,))
def _expire(self):
c = self.store.cursor()
s = "delete from kv where time < '%s';" % self.cut
c.execute(s)
reactor.callLater(const.KE_DELAY, self.doExpire)
def __init__(self, store):
self.store = store
reactor.callLater(const.KEINITIAL_DELAY, self.doExpire)
