class RCDHT:
def __init__(self):
self.HOST = "localhost"
self.PORT = 9999
self.dht = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.cache = LRUCache(10000,0,0)
def get(self, key):
def timeout_handler(signum, frame):
raise TimeoutException()
value = self.cache.get(key)
if value == None:
self.dht.sendto("get "+key+"\n", (self.HOST, self.PORT))
signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(1)
try:
received = self.dht.recv(1024)
return received.strip()
except TimeoutException:
return ""
else:
return value
def put(self, key, value):
self.cache.put(key, value)
self.dht.sendto("put "+key+" "+value+"\n", (self.HOST, self.PORT))
class RCDHT:
def __init__(self):
self.HOST = "localhost"
self.PORT = 9999
self.dht = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.cache = LRUCache(10000, 0, 0)
def get(self, key):
def timeout_handler(signum, frame):
raise TimeoutException()
value = self.cache.get(key)
if value == None:
self.dht.sendto("get " + key + "\n", (self.HOST, self.PORT))
signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(1)
try:
received = self.dht.recv(1024)
return received.strip()
except TimeoutException:
return ""
else:
return value
def put(self, key, value):
self.cache.put(key, value)
self.dht.sendto("put " + key + " " + value + "\n",
(self.HOST, self.PORT))
class RCVoldemort:
def __init__(self,host):
self.dht = voldemort.StoreClient('force', [(host,6666)])
self.cache = LRUCache(100000,0,0)
def get(self, key):
value = self.cache.get(key)
if value == None:
resp = self.dht.get(key)
try:
return resp[0][0]
except:
return ""
else:
return value
def getall(self, keys):
missing = []
local = {}
for key in keys:
val = self.cache.get(key)
if val == None:
missing.append(key)
else:
local[key] = val
remote = self.dht.get_all(missing)
for key in remote:
local[key] = remote[key][0][0]
return local
def put(self, key, value):
self.cache.put(key, value)
try:
self.dht.put(key, value)
except (voldemort.client.VoldemortException):
pass
class RCVoldemort:
def __init__(self, host):
self.dht = voldemort.StoreClient('force', [(host, 6666)])
self.cache = LRUCache(100000, 0, 0)
def get(self, key):
value = self.cache.get(key)
if value == None:
resp = self.dht.get(key)
try:
return resp[0][0]
except:
return ""
else:
return value
def getall(self, keys):
missing = []
local = {}
for key in keys:
val = self.cache.get(key)
if val == None:
missing.append(key)
else:
local[key] = val
remote = self.dht.get_all(missing)
for key in remote:
local[key] = remote[key][0][0]
return local
def put(self, key, value):
self.cache.put(key, value)
try:
self.dht.put(key, value)
except (voldemort.client.VoldemortException):
pass
def __init__(self,host):
self.dht = voldemort.StoreClient('force', [(host,6666)])
self.cache = LRUCache(100000,0,0)
def __init__(self): self.HOST = "localhost" self.PORT = 9999 self.dht = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) self.cache = LRUCache(10000,0,0)
def __init__(self, host):
self.dht = voldemort.StoreClient('force', [(host, 6666)])
self.cache = LRUCache(100000, 0, 0)
def __init__(self):
self.HOST = "localhost"
self.PORT = 9999
self.dht = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.cache = LRUCache(10000, 0, 0)