def loadResults(cls, jsonFile):
"""Load results from json file
:param jsonFile : json format file to load from"""
ms = json.load(open(jsonFile, 'r'))
methods = {}
class Host(object):
def __init__(self, name):
self.name = name
for name, method_data in ms.iteritems():
methods[name] = {}
methods[name]['pairs'] = []
methods[name]['real_steps'] = method_data['real_steps']
for pairdata in method_data['pairs']:
s = cls.HostStats(
method=name,
host=Host(pairdata['host']),
target=Host(pairdata['target']),
baseline=DelayStats(**pairdata['baseline']),
baselineMeasures=[
DelayStats(**m) for m in pairdata['baselineMeasures']
],
measures=[DelayStats(**m) for m in pairdata['measures']])
methods[name]['pairs'].append(s)
info("Loading delay results done\n")
return methods
def computeBaseline(self):
sent = 0
received = 0
rttmin = 0
rttavg = 0
rttmax = 0
rttdev = 0
for measure in self.baselineMeasures:
sent += measure.sent
received += measure.received
rttmin = min(
rttmin,
measure.rttmin) if rttmin is not 0 else measure.rttmin
rttmax = max(rttmax, measure.rttmax)
rttavg += measure.rttavg
rttdev += measure.rttdev**2
rttdev = math.sqrt(rttdev / len(self.baselineMeasures))
rttavg /= len(self.baselineMeasures)
self.baseline = DelayStats(sent=sent,
received=received,
rttmin=rttmin,
rttavg=rttavg,
rttmax=rttmax,
rttdev=rttdev)
def computeBaseline(self):
sent = 0
received = 0
rttmin = 0
rttavg = 0
rttmax = 0
rttdev = 0
for measure in self.baselineMeasures:
sent += measure.sent
received += measure.received
rttmin = min(rttmin, measure.rttmin) if rttmin is not 0 else measure.rttmin
rttmax = max(rttmax, measure.rttmax)
rttavg += measure.rttavg
rttdev += measure.rttdev ** 2
rttdev = math.sqrt(rttdev / len(self.baselineMeasures))
rttavg /= len(self.baselineMeasures)
self.baseline = DelayStats(
sent=sent, received=received, rttmin=rttmin, rttavg=rttavg, rttmax=rttmax, rttdev=rttdev
)
class HostStats(object):
"""Storage for delay results"""
def __init__(self, host, target, method="", baseline=None, measures=None, baselineMeasures=None):
self.host = host
self.target = target
if measures is not None:
self.measures = measures
else:
self.measures = []
self.baseline = baseline
self.baselineMeasures = baselineMeasures if baselineMeasures is not None else []
self.method = method
def subtrackBaseline(self, ping):
return DelayStats(
ping.timestamp,
ping.step,
ping.sent,
ping.received,
ping.rttmin - self.baseline.rttmin,
ping.rttavg - self.baseline.rttavg,
ping.rttmax - self.baseline.rttmax,
ping.rttdev,
)
def computeBaseline(self):
sent = 0
received = 0
rttmin = 0
rttavg = 0
rttmax = 0
rttdev = 0
for measure in self.baselineMeasures:
sent += measure.sent
received += measure.received
rttmin = min(rttmin, measure.rttmin) if rttmin is not 0 else measure.rttmin
rttmax = max(rttmax, measure.rttmax)
rttavg += measure.rttavg
rttdev += measure.rttdev ** 2
rttdev = math.sqrt(rttdev / len(self.baselineMeasures))
rttavg /= len(self.baselineMeasures)
self.baseline = DelayStats(
sent=sent, received=received, rttmin=rttmin, rttavg=rttavg, rttmax=rttmax, rttdev=rttdev
)
def getPair(self):
return self.host.name, self.target.name
def getStrPair(self):
return "%s,%s" % self.getPair()
def printAll(self):
return "\n%s -> %s\nbaseline for %s: \n %s\nmeasures : \n %s\n" % (
self.host.name,
self.target.name,
self.method,
self.baseline.printAll() if self.baseline is not None else "",
"\n ".join([m.printAll() for m in self.measures]),
)
def toDict(self):
return {
"host": self.host.name,
"target": self.target.name,
"baseline": self.baseline.toDict(),
"baselineMeasures": [m.toDict() for m in self.baselineMeasures],
"measures": [m.toDict() for m in self.measures],
}
def subtrackBaseline(self, ping):
return DelayStats(ping.timestamp, ping.step, ping.sent,
ping.received,
ping.rttmin - self.baseline.rttmin,
ping.rttavg - self.baseline.rttavg,
ping.rttmax - self.baseline.rttmax, ping.rttdev)
class HostStats(object):
"""Storage for delay results"""
def __init__(self,
host,
target,
method='',
baseline=None,
measures=None,
baselineMeasures=None):
self.host = host
self.target = target
if measures is not None:
self.measures = measures
else:
self.measures = []
self.baseline = baseline
self.baselineMeasures = baselineMeasures if baselineMeasures is not None else []
self.method = method
def subtrackBaseline(self, ping):
return DelayStats(ping.timestamp, ping.step, ping.sent,
ping.received,
ping.rttmin - self.baseline.rttmin,
ping.rttavg - self.baseline.rttavg,
ping.rttmax - self.baseline.rttmax, ping.rttdev)
def computeBaseline(self):
sent = 0
received = 0
rttmin = 0
rttavg = 0
rttmax = 0
rttdev = 0
for measure in self.baselineMeasures:
sent += measure.sent
received += measure.received
rttmin = min(
rttmin,
measure.rttmin) if rttmin is not 0 else measure.rttmin
rttmax = max(rttmax, measure.rttmax)
rttavg += measure.rttavg
rttdev += measure.rttdev**2
rttdev = math.sqrt(rttdev / len(self.baselineMeasures))
rttavg /= len(self.baselineMeasures)
self.baseline = DelayStats(sent=sent,
received=received,
rttmin=rttmin,
rttavg=rttavg,
rttmax=rttmax,
rttdev=rttdev)
def getPair(self):
return self.host.name, self.target.name
def getStrPair(self):
return "%s,%s" % self.getPair()
def printAll(self):
return "\n%s -> %s\nbaseline for %s: \n %s\nmeasures : \n %s\n" % (
self.host.name, self.target.name, self.method,
self.baseline.printAll() if self.baseline is not None else '',
"\n ".join([m.printAll() for m in self.measures]))
def toDict(self):
return {
'host': self.host.name,
'target': self.target.name,
'baseline': self.baseline.toDict(),
'baselineMeasures':
[m.toDict() for m in self.baselineMeasures],
'measures': [m.toDict() for m in self.measures]
}
def subtrackBaseline(self, sample):
"""Remove baseline from sample
:param sample : sample to correct
"""
return DelayStats(sample.timestamp, sample.step, sample.sent,
sample.received, sample.bw - self.baseline.bw)
