def UDPBWCompareProber(ctr_udp=1):
mts = MyTestSuite()
print "Connected to all hosts"
remoteserver = mts.S
remoterouter = mts.R
for remoteclient in [mts.A, mts.B]: #, mts.C]:
if remoteserver != remoteclient:
for k in range(ctr_udp):
print "ROUND ", k
print ('UPLINK '+ remoteclient.name + ' to ' + remoteserver.name)
bwlim = remoteclient.UDPProbeTest(remoterouter)
bwlim = remoteclient.UDPProbeTest(remoteserver)
bwlim = remoterouter.UDPProbeTest(remoteserver)
print ('DOWNLINK '+ remoteserver.name + ' to ' + remoteclient.name)
bwlim = remoterouter.UDPProbeTest(remoteclient)
bwlim = remoteserver.UDPProbeTest(remoteclient)
bwlim = remoteserver.UDPProbeTest(remoterouter)
# transfer logs
mts.transferLogs('udpprobe_'+remoteclient.name+remoteserver.name)
return mts
def UDPBWGraphs(ctr_udp=1):
mts = MyTestSuite()
print "Connected to all hosts"
mts.startAllPings()
print "start pings"
time_sleep = 10.0
for k in range(ctr_udp):
print "ROUND ", k
for remoteclient in [mts.A, mts.B, mts.C, mts.R, mts.S]:
for remoteserver in [mts.A, mts.B, mts.C, mts.R, mts.S]:
if remoteserver != remoteclient:
print (remoteclient.name + ' to ' + remoteserver.name)
#mts.R.tcpDump('R_'+remoteclient.name+remoteserver.name+'.pcap')
print 'start udpprobe test'
bwlim = remoteclient.UDPProbeTest(remoteserver)
print 'done udpprobe test; start iperf udp with bw '+bwlim
#remoteclient.UDPIperfTest(remoteserver, bwlim)
#print 'done iperf udp test'
#mts.R.remoteCommand('killall tcpdump')
# transfer logs
#mts.transferLogs('traffic_'+remoteclient.name+remoteserver.name)
mts.stopAllPings()
#mts.transferLogs('udpbwtest')
return mts
def UDPBWTests(ctr_udp):
mts = MyTestSuite()
mts.startAllPings()
for remoteclient in [mts.A, mts.B, mts.C, mts.R, mts.S]:
for remotesrcdirteserver in [mts.A, mts.B, mts.C, mts.R, mts.S]:
if remoteserver != remoteclient:
print (remoteclient.name + ' to ' + remoteserver.name)
for k in range(ctr_udp):
remoteclient.UDPProbeTest(remoteserver)
time.sleep(time_sleep)
# take a tcpdump at router between round 2 and 4
mts.routerSmallTCPDump(remoteclient, remoteserver, k, 2, 4)
mts.stopAllPings()
return mts
def UDPBWCompareIperfTCP(ctr_tcp=1):
mts = MyTestSuite()
print "Connected to all hosts"
print "start all tcp servers on all hosts"
for x in [mts.A, mts.B, mts.C, mts.R, mts.S]:
x.startIperfServer()
remoteserver = mts.S
remoterouter = mts.R
for remoteclient in [mts.A, mts.B]: #, mts.C]:
if remoteserver != remoteclient:
for k in range(ctr_tcp):
print "ROUND ", k
print ('UPLINK '+ remoteclient.name + ' to ' + remoteserver.name)
bwlim = remoteclient.startIperfClient(remoterouter)
bwlim = remoteclient.startIperfClient(remoteserver)
bwlim = remoterouter.startIperfClient(remoteserver)
print ('DOWNLINK '+ remoteserver.name + ' to ' + remoteclient.name)
bwlim = remoterouter.startIperfClient(remoteclient)
bwlim = remoteserver.startIperfClient(remoteclient)
bwlim = remoteserver.startIperfClient(remoterouter)
# transfer logs
mts.transferLogs('iperftcp_'+remoteclient.name+remoteserver.name)
return mts
def runTrafficLatTest(rate):
mts = MyTestSuite()
if rate != 0:
mts.S.remoteCommand('echo "gtnoise" | sudo -S sh ratelimit.sh '+rate+'mbit '+rate+'mbit')
mts.R.remoteCommand('sh ratelimit2.sh '+rate+'mbit '+rate+'mbit')
else:
mts.S.remoteCommand('echo "gtnoise" | sudo -S tc qdisc del dev eth1 root')
mts.R.remoteCommand('tc qdisc del dev eth1 root')
mts2 = TrafficLatencyTests(mts.A, mts.S, mts)
mts2 = TrafficLatencyTests(mts.B, mts.S, mts)
mts2 = TrafficLatencyTests(mts.C, mts.S, mts)
return
def bandwidthTest(ctr_tcp, ctr_udp):
mts = MyTestSuite()
print "Connected to all hosts"
mts.startAllPings()
print "start pings"
TCPTest(mts, ctr_tcp)
print "iperf TCP x "+str(ctr_tcp)
UDPTest(mts, ctr_udp)
print "iperf UDP x "+str(ctr_udp)
mts.stopAllPings()
print "stop pings"
print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()), " DONE"
return mts
def UDPProbeTests(ctr_udp=1):
mts = MyTestSuite()
time_sleep = 10.0
for k in range(ctr_udp):
print "ROUND ", k
for remoteclient in [mts.A, mts.B, mts.C, mts.R, mts.S]:
for remoteserver in [mts.A, mts.B, mts.C, mts.R, mts.S]:
if remoteserver != remoteclient:
print (remoteclient.name + ' to ' + remoteserver.name)
mts.R.tcpDump('R_'+remoteclient.name+remoteserver.name+'.pcap')
mts.startAllPings()
print 'start test'
remoteclient.UDPProbeTest(remoteserver)
print 'done test'
print 'no traffic for 10 secs'
time.sleep(time_sleep)
print 'done: stop all process and transfer logs'
mts.stopAllPings()
mts.R.remoteCommand('killall tcpdump')
# transfer logs
mts.transferLogs('traffic_'+remoteclient.name+remoteserver.name)
return mts
def runTCPLatTest(rate):
mts = MyTestSuite()
#buffersize = str(buffersize) #in kb
if rate != 0:
rate = str(rate)
mts.Q.remoteCommand('sh ratelimit3.sh eth0 '+rate)
mts.Q.remoteCommand('sh ratelimit3.sh eth1 '+rate)
#mts.Q.remoteCommand('sh ratelimit2.sh eth0 '+rate+' '+rate+' '+buffersize)
#mts.Q.remoteCommand('sh ratelimit2.sh eth1 '+rate+' '+rate+' '+buffersize)
#mts.R.remoteCommand('sh ratelimit2.sh eth1 '+rate+'mbit '+rate+'mbit')
else:
mts.Q.remoteCommand('tc qdisc del dev eth0 root')
mts.Q.remoteCommand('tc qdisc del dev eth1 root')
#mts.R.remoteCommand('tc qdisc del dev eth1 root')
mts2 = TCPLatencyTest(mts, rate)
mts2.stop_n_clear()
mts2.closeAllHosts()
return