mininet-sample/experiments/epload.py
2020-07-13 09:55:15 +02:00

103 lines
3.5 KiB
Python

from core.experiment import Experiment, ExperimentParameter
import os
class EploadParameter(ExperimentParameter):
TEST_DIR = "test_dir"
def __init__(self, experiment_parameter_filename):
super(EploadParameter, self).__init__(experiment_parameter_filename)
self.default_parameters.update({
TEST_DIR: "/bla/bla/bla",
})
class Epload(Experiment):
NAME = "epload"
PARAMETER_CLASS = EploadParameter
SERVER_LOG = "http_server.log"
EPLOAD_LOG = "epload.log"
NODE_BIN = "/usr/local/nodejs/bin/node"
EPLOAD_EMULATOR="/home/mininet/epload/epload/emulator/run.js"
PING_OUTPUT = "ping.log"
def __init__(self, experiment_parameter_filename, topo, topo_config):
super(Epload, self).__init__(experiment_parameter_filename, topo, topo_config)
self.load_parameters()
self.ping()
def ping(self):
self.topo.command_to(self.topo_config.client, "rm " + \
Epload.PING_OUTPUT )
count = self.experiment_parameter.get(ExperimentParameter.PING_COUNT)
for i in range(0, self.topo_config.getClientInterfaceCount()):
cmd = self.pingCommand(self.topo_config.getClientIP(i),
self.topo_config.getServerIP(), n = count)
self.topo.command_to(self.topo_config.client, cmd)
def pingCommand(self, fromIP, toIP, n=5):
s = "ping -c " + str(n) + " -I " + fromIP + " " + toIP + \
" >> " + Epload.PING_OUTPUT
print(s)
return s
def load_parameters(self):
self.test_dir = self.experiment_parameter.get(EploadParameter.TEST_DIR)
def prepare(self):
super(Epload, self).prepare()
self.topo.command_to(self.topo_config.client, "rm " + \
Epload.EPLOAD_LOG )
self.topo.command_to(self.topo_config.server, "rm " + \
Epload.SERVER_LOG )
def getHTTPServerCmd(self):
s = "/etc/init.d/apache2 restart &>" + Epload.SERVER_LOG + " &"
print(s)
return s
def getKillHTTPCmd(self):
s = "ps aux | grep SimpleHTTP | head -1 | tr -s ' ' | cut -d ' ' -f 2 | xargs kill"
print(s)
return s
def getEploadClientCmd(self):
s = Epload.NODE_BIN + " " + Epload.EPLOAD_EMULATOR + \
" http " + \
self.test_dir + " &>" + Epload.EPLOAD_LOG
print(s)
return s
def getSubHostCmd(self):
s = "for f in `ls " + self.test_dir + "/*`; do " + \
" sed -i 's/@host@/" + self.topo_config.getServerIP() + "/' " + \
"$f; done"
print(s)
return s
def getSubBackHostCmd(self):
s = "for f in `ls " + self.test_dir + "/*`; do " + \
" sed -i 's/" + self.topo_config.getServerIP() + "/@host@/' " + \
"$f; done"
print(s)
return s
def clean(self):
super(Epload, self).clean()
def run(self):
cmd = self.getHTTPServerCmd()
self.topo.command_to(self.topo_config.server, cmd)
self.topo.command_to(self.topo_config.client, "sleep 2")
cmd = self.getSubHostCmd()
self.topo.command_to(self.topo_config.client, cmd)
cmd = self.getEploadClientCmd()
self.topo.command_to(self.topo_config.client, cmd)
cmd = self.getSubBackHostCmd()
self.topo.command_to(self.topo_config.client, cmd)
self.topo.command_to(self.topo_config.client, "sleep 2")
cmd = self.getKillHTTPCmd()
self.topo.command_to(self.topo_config.server, cmd)