mininet-sample/src/mpExperienceAb.py

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2015-12-02 14:22:51 +00:00
from mpExperience import MpExperience
from mpParamXp import MpParamXp
from mpPvAt import MpPvAt
import os
class MpExperienceAb(MpExperience):
SERVER_LOG = "ab_server.log"
CLIENT_LOG = "ab_client.log"
AB_BIN = "ab"
PING_OUTPUT = "ping.log"
def __init__(self, xpParamFile, mpTopo, mpConfig):
MpExperience.__init__(self, xpParamFile, mpTopo, mpConfig)
self.loadParam()
self.ping()
MpExperience.classicRun(self)
def ping(self):
self.mpTopo.commandTo(self.mpConfig.client,
"rm " + MpExperienceAb.PING_OUTPUT)
count = self.xpParam.getParam(MpParamXp.PINGCOUNT)
for i in range(0, self.mpConfig.getClientInterfaceCount()):
cmd = self.pingCommand(self.mpConfig.getClientIP(i),
self.mpConfig.getServerIP(), n = count)
self.mpTopo.commandTo(self.mpConfig.client, cmd)
def pingCommand(self, fromIP, toIP, n=5):
s = "ping -c " + str(n) + " -I " + fromIP + " " + toIP + \
" >> " + MpExperienceAb.PING_OUTPUT
print(s)
return s
def loadParam(self):
"""
todo : param LD_PRELOAD ??
"""
self.file = self.xpParam.getParam(MpParamXp.HTTPFILE)
self.random_size = self.xpParam.getParam(MpParamXp.HTTPRANDOMSIZE)
self.concurrent_requests = self.xpParam.getParam(MpParamXp.ABCONCURRENTREQUESTS)
self.timelimit = self.xpParam.getParam(MpParamXp.ABTIMELIMIT)
def prepare(self):
MpExperience.prepare(self)
self.mpTopo.commandTo(self.mpConfig.client, "rm " + \
MpExperienceAb.CLIENT_LOG )
self.mpTopo.commandTo(self.mpConfig.server, "rm " + \
MpExperienceAb.SERVER_LOG )
if self.file == "random":
self.mpTopo.commandTo(self.mpConfig.client,
"dd if=/dev/urandom of=random bs=1K count=" + \
self.random_size)
def getAbServerCmd(self):
s = "python " + os.path.dirname(os.path.abspath(__file__)) + \
"/http.py &>" + MpExperienceAb.SERVER_LOG + "&"
print(s)
return s
def getAbClientCmd(self):
s = MpExperienceAb.AB_BIN + " -c " + self.concurrent_requests + " -t " + \
self.timelimit + " http://" + self.mpConfig.getServerIP() + "/" + self.file + \
" &>" + MpExperienceAb.CLIENT_LOG
print(s)
return s
def clean(self):
MpExperience.clean(self)
if self.file == "random":
self.mpTopo.commandTo(self.mpConfig.client, "rm random*")
#todo use cst
#self.mpTopo.commandTo(self.mpConfig.server, "killall netcat")
def run(self):
cmd = self.getAbServerCmd()
self.mpTopo.commandTo(self.mpConfig.server, cmd)
self.mpTopo.commandTo(self.mpConfig.client, "sleep 2")
cmd = self.getAbClientCmd()
self.mpTopo.commandTo(self.mpConfig.client, cmd)
self.mpTopo.commandTo(self.mpConfig.client, "sleep 2")