def topology():
"""Create a network. sta1 <--> sta2 <--> sta3"""
print "*** Network creation"
net = Mininet()
print "*** Creating nodes"
sta1 = net.addStation('sta1', range=50, position='10,10,0')
sta2 = net.addStation('sta2', range=50, position='20,10,0')
sta3 = net.addStation('sta3', range=50, position='30,10,0')
print "*** Configure wmediumd"
# This should be done right after the station has been initialized
sta1.wmediumdIface = DynamicWmediumdIntfRef(sta1)
sta2.wmediumdIface = DynamicWmediumdIntfRef(sta2)
sta3.wmediumdIface = DynamicWmediumdIntfRef(sta3)
intfrefs = [sta1.wmediumdIface, sta2.wmediumdIface, sta3.wmediumdIface]
links = [
WmediumdSNRLink(sta1.wmediumdIface, sta2.wmediumdIface, 15),
WmediumdSNRLink(sta2.wmediumdIface, sta1.wmediumdIface, 15),
WmediumdSNRLink(sta2.wmediumdIface, sta3.wmediumdIface, 15),
WmediumdSNRLink(sta3.wmediumdIface, sta2.wmediumdIface, 15)
]
WmediumdStarter.initialize(intfrefs, links, with_server=True)
print "*** Configuring wifi nodes"
net.configureWifiNodes()
print "*** Start wmediumd"
WmediumdStarter.start()
print "*** Plotting graph ***"
net.plotGraph(max_x=200, max_y=200)
print "*** Enabling Mesh Routing ***"
net.meshRouting('custom')
print "*** Creating links"
net.addMesh(sta1, ssid='adNet')
net.addMesh(sta2, ssid='adNet')
net.addMesh(sta3, ssid='adNet')
print "*** Starting network"
net.start()
print "\n\n\n"
print "*** Pinging sta2"
sta1.cmdPrint('ping -c 1 10.0.0.2')
print "*** Update wmediumd"
WmediumdServerConn.connect()
# Required when the position of the nodes are previously defined. Useful to set channel params.
net.autoAssociation()
CLI(net)
print "*** Stopping network"
net.stop()
print "*** Stopping wmediumd"
WmediumdServerConn.disconnect()
WmediumdStarter.stop()
def wmediumdConnect():
"Connect to wmediumd"
WmediumdServerConn.connect()
def wmediumdConnect():
WmediumdServerConn.connect()
def topology():
"""Create a network. sta1 <--> sta2 <--> sta3"""
print "*** Network creation"
net = Mininet()
print "*** Creating nodes"
sta1 = net.addStation('sta1', range=200)
sta2 = net.addStation('sta2', range=200)
sta3 = net.addStation('sta3', range=200)
print "*** Configure wmediumd"
# This should be done right after the station has been initialized
sta1.wmediumdIface = DynamicWmediumdIntfRef(sta1)
sta2.wmediumdIface = DynamicWmediumdIntfRef(sta2)
sta3.wmediumdIface = DynamicWmediumdIntfRef(sta3)
intfrefs = [sta1.wmediumdIface, sta2.wmediumdIface, sta3.wmediumdIface]
links = [
WmediumdLink(sta1wlan0, sta2wlan0, 15),
WmediumdLink(sta2wlan0, sta1wlan0, 15),
WmediumdLink(sta2wlan0, sta3wlan0, 15),
WmediumdLink(sta3wlan0, sta2wlan0, 15)
]
WmediumdConn.set_wmediumd_data(intfrefs, links, with_server=True)
WmediumdConn.connect_wmediumd_on_startup()
print "*** Configuring wifi nodes"
net.configureWifiNodes()
net.plotGraph(max_x=240, max_y=240)
net.meshRouting('custom')
net.seed(20)
print "*** Creating links"
net.addMesh(sta1, ssid='adNet')
net.addMesh(sta2, ssid='adNet')
net.addMesh(sta3, ssid='adNet')
print "*** Starting network"
net.start()
print "\n\n\n"
print "*** Pinging sta2"
sta1.cmdPrint('ping -c 1 10.0.0.2')
print "*** Setting up the mobility model"
net.startMobility(startTime=0,
model='RandomDirection',
max_x=220,
max_y=220,
min_v=0.1,
max_v=0.2)
print "*** Update wmediumd"
WmediumdServerConn.connect()
CLI(net)
print "*** Stopping network"
net.stop()
print "*** Stopping wmediumd"
WmediumdServerConn.disconnect()
WmediumdConn.disconnect_wmediumd()
