class ProactiveRenewUniform(object):
def __init__(self, amount, cachesize, total_rate, Ts, popularity):
self._amount = amount
self._popularity = popularity
self._total_rate = total_rate
self._che = Che(amount, cachesize, self._popularity, total_rate)
self._Ts = Ts
self._rate = self._requestRate()
self._hit_ratio = self._hitRatio()
self._pub_load_c = {}
self._pub_load = self._pubLoad()
def _requestRate(self):
rr = {}
for i in range(1, self._amount + 1):
rr[i] = self._total_rate * self._popularity[i]
return rr
def _hitRatio(self):
return self._che.hitRatio()
def hitRatio(self):
return self._hit_ratio
def totalHitRatio(self):
return self._che.totalHitRatio()
def Che(self):
return self._che
def _pubLoad(self):
load = 0
for i in range(1, self._amount + 1):
self._pub_load_c[i] = 1.0 / self._Ts * self._che.hitRatio()[i]
load = load + 1.0 / self._Ts * self._che.hitRatio()[i]
return load
def pubLoadC(self):
return self._pub_load_c
def pubLoad(self):
return self._pub_load
def totalLoad(self):
return self._total_rate * (1 - self.totalHitRatio()) + self._pub_load
class _F(object):
def __init__(self, rate, Ts, Tc):
self._rate = rate
self._Ts = Ts
self._Tc = Tc
def F1(self, t):
return (1 - exp(-self._rate * t)) / self._Ts
def F2(self, t):
return (1 - exp(-self._rate * t)) / self._Tc
class ProactiveRenew(object):
def __init__(self, amount, cachesize, total_rate, expected_value,
popularity):
self._amount = amount
self._popularity = popularity
self._total_rate = total_rate
self._che = Che(amount, cachesize, self._popularity, total_rate)
self._ev = expected_value
self._rate = self._requestRate()
self._hit_ratio = self._hitRatio()
self._pub_load_c = {}
self._pub_load = self._pubLoad()
def _requestRate(self):
rr = {}
for i in range(1, self._amount + 1):
rr[i] = self._total_rate * self._popularity[i]
return rr
def _hitRatio(self):
return self._che.hitRatio()
def hitRatio(self):
return self._hit_ratio
def totalHitRatio(self):
return self._che.totalHitRatio()
def Che(self):
return self._che
def _pubLoad(self):
load = 0
for i in range(1, self._amount + 1):
self._pub_load_c[i] = self._che.hitRatio()[i] / self._ev
load = load + self._che.hitRatio()[i] / self._ev
return load
def pubLoadC(self):
return self._pub_load_c
def pubLoad(self):
return self._pub_load
def totalLoad(self):
return self._total_rate * (1 - self.totalHitRatio()) + self._pub_load
