def paxos_learn_base(acceptorUuid,host,port):
while True:
getQueuItem(wsgiObj,wsgiObj.SIGNAL_LEARN_SEND.get(acceptorUuid))
param = wsgiObj.CACHE_LEARN_SEND.get(acceptorUuid)
item = param.get('item')
item_learn_transmit(acceptorUuid,host,port,item)
def paxos_learn_base(acceptorUuid, host, port):
while True:
getQueuItem(wsgiObj, wsgiObj.SIGNAL_LEARN_SEND.get(acceptorUuid))
param = wsgiObj.CACHE_LEARN_SEND.get(acceptorUuid)
item = param.get('item')
item_learn_transmit(acceptorUuid, host, port, item)
def paxos_acceptor_broadcast(acceptorUuid,host,port):
while True:
getQueuItem(wsgiObj,wsgiObj.SIGNAL_BROAD_SEND.get(acceptorUuid))
param = wsgiObj.CACHE_BROAD_SEND.get(acceptorUuid)
broadUuid = param.get('broadUuid')
item = param.get('item')
val = param.get('val')
paxos_broad(host, port, item, val, broadUuid)
def paxos_decision():
while True:
acceptorUuid = getQueuItem(wsgiObj,wsgiObj.SIGNAL_LEARN_RECV)
param = wsgiObj.CACHE_LEARN_RECV.get(acceptorUuid)
item_decision(acceptorUuid,param)
def paxos_item_store():
started = False
while True:
for keyitem in get_item():
if not started:
started = True
do_start_mst().start()
logUuid,logentry = getQueuItem(wsgiObj, wsgiObj.store_param)
item_proposer_broad(keyitem, logentry, get_broad_uuids())
wsgiObj.store_resut.put((logUuid,0))
def paxos_item_store():
started = False
while True:
for keyitem in get_item():
if not started:
started = True
do_start_mst().start()
logUuid, logentry = getQueuItem(wsgiObj, wsgiObj.store_param)
item_proposer_broad(keyitem, logentry, get_broad_uuids())
wsgiObj.store_resut.put((logUuid, 0))
def get_resp(logUuid):
resp = None
while True:
uuid,data = getQueuItem(wsgiObj, wsgiObj.store_resut)
if logUuid == uuid:
resp = data
break
else:
wsgiObj.signalLearn.put((uuid,data))
signal_sleep(wsgiObj, 0.1)
return resp
def get_resp(logUuid):
resp = None
while True:
uuid, data = getQueuItem(wsgiObj, wsgiObj.store_resut)
if logUuid == uuid:
resp = data
break
else:
wsgiObj.signalLearn.put((uuid, data))
signal_sleep(wsgiObj, 0.1)
return resp
def paxos_acceptor_main():
wsgiObj.PAXOS_IDENTITY = identiry_acceptor
while True:
key,val = getQueuItem(wsgiObj,wsgiObj.PAXOS_QUEUE)
if str_equal(key ,key_paxos_leader):
leaderUuid,leaderTime,broadUuid = val
wsgiObj.broadUuid = broadUuid
start_time = leaderTime
wsgiObj.PAXOS_VALUE.put(key_paxos_leader,val)
threading.Timer(wsgiObj.PAXOS_LEADER_TERM,paxos_timer_acceptor,[start_time]).start()
else:
pass
def item_proposer_learn(item):
for hostUuid, _, _ in wsgiObj.PAXOS_ACCEPTORS:
if hostUuid == wsgiObj.hostUuid:
continue
wsgiObj.CACHE_LEARN_SEND.put(hostUuid, {'item': item, 'val': None})
wsgiObj.SIGNAL_LEARN_SEND.get(hostUuid).put(0)
while True:
qitem = getQueuItem(wsgiObj, wsgiObj.signalLearn)
if qitem == item:
break
else:
wsgiObj.signalLearn.put(qitem)
signal_sleep(wsgiObj, 0.1)
val = wsgiObj.cacheLearn.get(qitem)
return val
def item_proposer_learn(item):
for hostUuid,_,_ in wsgiObj.PAXOS_ACCEPTORS:
if hostUuid == wsgiObj.hostUuid:
continue
wsgiObj.CACHE_LEARN_SEND.put(hostUuid,{'item':item,
'val':None})
wsgiObj.SIGNAL_LEARN_SEND.get(hostUuid).put(0)
while True:
qitem = getQueuItem(wsgiObj, wsgiObj.signalLearn)
if qitem == item:
break
else:
wsgiObj.signalLearn.put(qitem)
signal_sleep(wsgiObj, 0.1)
val = wsgiObj.cacheLearn.get(qitem)
return val
def paxos_decision():
while True:
acceptorUuid = getQueuItem(wsgiObj, wsgiObj.SIGNAL_LEARN_RECV)
param = wsgiObj.CACHE_LEARN_RECV.get(acceptorUuid)
item_decision(acceptorUuid, param)
def paxos_broad_base(acceptorUuid,host,port):
while True:
getQueuItem(wsgiObj,wsgiObj.SIGNAL_BROAD_SEND.get(acceptorUuid))
param = wsgiObj.CACHE_BROAD_SEND.get(acceptorUuid)
item_broad_transmit(acceptorUuid, host, port, param)
def paxos_broad_base(acceptorUuid, host, port):
while True:
getQueuItem(wsgiObj, wsgiObj.SIGNAL_BROAD_SEND.get(acceptorUuid))
param = wsgiObj.CACHE_BROAD_SEND.get(acceptorUuid)
item_broad_transmit(acceptorUuid, host, port, param)
