def onGet(getOp, err, payload):
del obj.getOps[getOp]
if err >= 0:
result, data, updateLevel, signature = payload
if result >= 0:
if verifySignature(publicKey, data, updateLevel, signature):
obj.getResults.append((data, updateLevel, signature))
if not obj.getOps:
if obj.getResults:
maxUpdateLevel = max([x[1] for x in obj.getResults])
obj.getResults = [x for x in obj.getResults if x[1] == maxUpdateLevel]
op.notify(obj.getResults)
def doPutKey( self, msg, ctx ) :
publicKeyData,data,updateLevel,signature = msg
if not verifySignature(publicKeyData,data,updateLevel,signature) :
return
entry = self.store.get( publicKeyData )
if entry is not None :
oldData,oldUpdateLevel,oldSignature = entry
if updateLevel <= oldUpdateLevel :
ctx.response( (-1,oldData,oldUpdateLevel,oldSignature) )
return
self.store.set( publicKeyData, data, updateLevel, signature,
DEFAULT_DATA_TIMEOUT )
ctx.response( (0,data,updateLevel,signature) )
def doPutKey(self, msg, ctx):
publicKeyData, data, updateLevel, signature = msg
if not verifySignature(publicKeyData, data, updateLevel, signature):
return
entry = self.store.get(publicKeyData)
if entry is not None:
oldData, oldUpdateLevel, oldSignature = entry
if updateLevel <= oldUpdateLevel:
ctx.response((-1, oldData, oldUpdateLevel, oldSignature))
return
self.store.set(publicKeyData, data, updateLevel, signature,
DEFAULT_DATA_TIMEOUT)
ctx.response((0, data, updateLevel, signature))
def onGet( getOp, err, payload ) :
del obj.getOps[getOp]
if err >= 0 :
result,data,updateLevel,signature = payload
if result >= 0 :
if verifySignature(publicKey,data,updateLevel,\
signature) :
obj.getResults.append( (data,updateLevel,
signature) )
if not obj.getOps :
if obj.getResults :
maxUpdateLevel = max( [x[1] for x in obj.getResults] )
obj.getResults = [x for x in obj.getResults \
if x[1] == maxUpdateLevel]
op.notify( obj.getResults )
def onPut(putOp, err, payload):
del obj.putOps[putOp]
if err >= 0:
result, oldData, oldUpdateLevel, oldSignature = payload
if result >= 0:
obj.successCount += 1
elif oldUpdateLevel >= obj.updateLevel:
if verifySignature(rsaKey, oldData, oldUpdateLevel, oldSignature):
obj.updateLevel = oldUpdateLevel + 1
cancelPuts()
obj.putOps.clear()
obj.successCount = 0
obj.signature = computeSignature(rsaKey, data, obj.updateLevel)
for nodeAddr in obj.nodes:
doPutKey(nodeAddr)
if not obj.putOps:
doNotify()
def onPut( putOp, err, payload ) :
del obj.putOps[putOp]
if err >= 0 :
result,oldData,oldUpdateLevel,oldSignature = payload
if result >= 0 :
obj.successCount += 1
elif oldUpdateLevel >= obj.updateLevel :
if verifySignature(rsaKey,oldData,
oldUpdateLevel,oldSignature) :
obj.updateLevel = oldUpdateLevel + 1
cancelPuts()
obj.putOps.clear()
obj.successCount = 0
obj.signature = computeSignature( rsaKey, data,
obj.updateLevel )
for nodeAddr in obj.nodes :
doPutKey( nodeAddr )
if not obj.putOps :
doNotify()
