Tweaks to documentation files and sshd and xterms examples.

Added scratchnetuser.
2009-12-14 13:22:03 -08:00
parent 433503cf8a
commit 98332cb616
6 changed files with 82 additions and 31 deletions
@@ -0,0 +1,43 @@
+#!/usr/bin/python
+
+"""
+Build a simple network from scratch, using mininet primitives.
+This is more complicated than using the higher-level classes,
+but it exposes the configuration details and allows cusomization.
+
+This version uses the user datapath.
+"""
+
+from mininet import init, Node, createLink
+
+def scratchNet( cname='controller', cargs='ptcp:'):
+   # Create Network
+   controller = Node( 'c0' )
+   switch = Node( 's0')
+   h0 = Node( 'h0' )
+   h1 = Node( 'h1' )
+   createLink( controller, switch )
+   createLink( h0, switch )
+   createLink( h1, switch )
+   # Configure control network
+   controller.setIP( controller.intfs[ 0 ], '10.0.123.1', '/24' )
+   switch.setIP( switch.intfs[ 0 ], '10.0.123.2', '/24' )
+   # Configure hosts
+   h0.setIP( h0.intfs[ 0 ], '192.168.123.1', '/24' )
+   h1.setIP( h1.intfs[ 0 ], '192.168.123.2', '/24' )
+   # Start network using user datapath
+   controller.cmdPrint( cname + ' ' + cargs + '&' )
+   switch.cmdPrint( 'ifconfig lo 127.0.0.1' )
+   switch.cmdPrint( 'ofdatapath -i ' + ','.join( switch.intfs[ 1: ]) 
+      + ' ptcp: &' )
+   switch.cmdPrint( 'ofprotocol tcp:' + controller.IP() + ' tcp:localhost &' )
+   # Run test
+   h0.cmdPrint( 'ping -c1 ' + h1.IP() )
+   # Stop network
+   controller.cmdPrint( 'kill %' + cname)
+   switch.cmdPrint( 'kill %ofdatapath' )
+   switch.cmdPrint( 'kill %ofprotocol' )
+   
+if __name__ == '__main__':
+   init()   
+   scratchNet()