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Fix examples to work with new API (and vice-versa.)

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This commit is contained in:
Bob Lantz
2012-03-09 16:06:23 -08:00
parent 8e3699eca6
commit a49c85a610
10 changed files with 78 additions and 51 deletions
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examples/scratchnet.py
+24 -13
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@@ -10,10 +10,13 @@ For most tasks, the higher-level API will be preferable.
from mininet.net import Mininet
from mininet.node import Node
from mininet.util import createLink
from mininet.link import Link
from mininet.log import setLogLevel, info
from mininet.util import quietRun
def scratchNet( cname='controller', cargs='ptcp:' ):
from time import sleep
def scratchNet( cname='controller', cargs='-v ptcp:' ):
"Create network from scratch using Open vSwitch."
info( "*** Creating nodes\n" )
@@ -23,30 +26,38 @@ def scratchNet( cname='controller', cargs='ptcp:' ):
h1 = Node( 'h1' )
info( "*** Creating links\n" )
createLink( node1=h0, node2=switch, port1=0, port2=0 )
createLink( node1=h1, node2=switch, port1=0, port2=1 )
Link( h0, switch )
Link( h1, switch )
info( "*** Configuring hosts\n" )
h0.setIP( h0.intfs[ 0 ], '192.168.123.1', 24 )
h1.setIP( h1.intfs[ 0 ], '192.168.123.2', 24 )
h0.setIP( '192.168.123.1/24' )
h1.setIP( '192.168.123.2/24' )
info( str( h0 ) + '\n' )
info( str( h1 ) + '\n' )
info( "*** Starting network using Open vSwitch kernel datapath\n" )
info( "*** Starting network using Open vSwitch\n" )
controller.cmd( cname + ' ' + cargs + '&' )
switch.cmd( 'ovs-dpctl del-dp dp0' )
switch.cmd( 'ovs-dpctl add-dp dp0' )
switch.cmd( 'ovs-vsctl del-br dp0' )
switch.cmd( 'ovs-vsctl add-br dp0' )
for intf in switch.intfs.values():
print switch.cmd( 'ovs-dpctl add-if dp0 ' + intf )
print switch.cmd( 'ovs-openflowd dp0 tcp:127.0.0.1 &' )
print switch.cmd( 'ovs-vsctl add-port dp0 %s' % intf )
# Note: controller and switch are in root namespace, and we
# can connect via loopback interface
switch.cmd( 'ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633' )
info( '*** Waiting for switch to connect to controller' )
while 'is_connected' not in quietRun( 'ovs-vsctl show' ):
sleep( 1 )
info( '.' )
info( '\n' )
info( "*** Running test\n" )
h0.cmdPrint( 'ping -c1 ' + h1.IP() )
info( "*** Stopping network\n" )
controller.cmd( 'kill %' + cname )
switch.cmd( 'ovs-dpctl del-dp dp0' )
switch.cmd( 'kill %ovs-openflowd' )
switch.cmd( 'ovs-vsctl del-br dp0' )
switch.deleteIntfs()
info( '\n' )