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

84 lines
3.0 KiB
Python

from core.experience import Experience, ExperienceParameter
import os
class NetperfParameter(ExperienceParameter):
TESTLEN = "netperfTestlen"
TESTNAME = "netperfTestname"
REQRES_SIZE = "netperfReqresSize"
def __init__(self, experience_parameter_filename):
super(NetperfParameter, self).__init__(experience_parameter_filename)
self.default_parameters.update({
NetperfParameter.TESTLEN: "10",
NetperfParameter.TESTNAME: "TCP_RR",
NetperfParameter.REQRES_SIZE: "2K,256",
})
class Netperf(Experience):
NAME = "netperf"
PARAMETER_CLASS = NetperfParameter
NETPERF_LOG = "netperf.log"
NETSERVER_LOG = "netserver.log"
NETPERF_BIN = "netperf"
NETSERVER_BIN = "netserver"
PING_OUTPUT = "ping.log"
def __init__(self, experience_parameter_filename, topo, topo_config):
super(Netperf, self).__init__(experience_parameter_filename, topo, topo_config)
self.load_parameters()
self.ping()
def ping(self):
self.topo.command_to(self.topo_config.client, "rm " + \
Netperf.PING_OUTPUT)
count = self.experience_parameter.get(ExperienceParameter.PINGCOUNT)
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 + \
" >> " + Netperf.PING_OUTPUT
print(s)
return s
def load_parameters(self):
self.testlen = self.experience_parameter.get(NetperfParameter.TESTLEN)
self.testname = self.experience_parameter.get(NetperfParameter.TESTNAME)
self.reqres_size = self.experience_parameter.get(NetperfParameter.REQRES_SIZE)
def prepare(self):
super(Netperf, self).prepare()
self.topo.command_to(self.topo_config.client, "rm " +
Netperf.NETPERF_LOG)
self.topo.command_to(self.topo_config.server, "rm " +
Netperf.NETSERVER_LOG)
def get_client_cmd(self):
s = "{} -H {} -l {} -t {} -- -r {} &> {}".format(Netperf.NETPERF_BIN,
self.topo_config.getServerIP(), self.testlen, self.testname, self.reqres_size,
Netperf.NETPERF_LOG)
print(s)
return s
def get_server_cmd(self):
s = "sudo {} &> {} &".format(Netperf.NETSERVER_BIN, Netperf.NETSERVER_LOG)
print(s)
return s
def clean(self):
super(Netperf, self).clean()
def run(self):
cmd = self.get_server_cmd()
self.topo.command_to(self.topo_config.server, cmd)
self.topo.command_to(self.topo_config.client, "sleep 2")
cmd = self.get_client_cmd()
self.topo.command_to(self.topo_config.client, cmd)
self.topo.command_to(self.topo_config.client, "sleep 2")