Fixed treePing64.

Minor tweaks to other files.

README

@@ -15,6 +15,9 @@ datapath) are created as processes in separate network namespaces. This
 allows a complete OpenFlow network to be simulated on top of a single
 Linux kernel.
 
+Mininet provides a set of Python classes and functions which enable
+creation of OpenFlow networks of varying sizes and topologies.
+
 In order to run Mininet, you must have:
 
 * A Linux 2.6.26 or greater kernel compiled with network namespace support

examples/linearBandwidth.py

@@ -7,6 +7,11 @@ the kernel and user datapaths.
 Each network looks like:
 
 h0 <-> s0 <-> s1 .. sN <-> h1
+
+Note: by default, the reference controller only supports 16
+switches, so this test WILL NOT WORK unless you have recompiled
+your controller to support a 100 switches (or more.)
+
 """
    
 from mininet import init, LinearNet, iperfTest

examples/treePing64.py

@@ -1,25 +1,28 @@
 #!/usr/bin/python
 
-"Create a 64-node tree network, and test connectivity using pingTest."
+"Create a 64-node tree network, and test connectivity using ping."
    
 from mininet import init, TreeNet, pingTestVerbose
 
-def bigTreePing64():
+def treePing64():
    results = {}
+   datapaths = [ 'kernel', 'user' ]
    
-   print "*** Testing Mininet with kernel and user datapath"
+   print "*** Testing Mininet with kernel and user datapaths"
    
-   for datapath in [ 'kernel', 'user' ]:
+   for datapath in datapaths:
       k = datapath == 'kernel'
-      results[ datapath ] = []
-      for switchCount in range( 1, 4 ):
-         network = TreeNet( depth=3, fanout=4, kernel=k )
-         testResult = network.run( pingTestVerbose )
-         results[ datapath ] += testResult
+      network = TreeNet( depth=2, fanout=8, kernel=k )
+      result = network.run( pingTestVerbose )
+      results[ datapath ] = result
    
-   print "*** Test results:", results
+   print  
+   print "*** TreeNet ping results:"
+   for datapath in datapaths:
+      print "%s:" % datapath, results[ datapath ]
+   print
    
 if __name__ == '__main__':
    init()
-   bigTreePing64()
+   treePing64()
 

mininet.py

@@ -482,7 +482,9 @@ class Network( object ):
          controller.stop(); controller.terminate()
       print "*** Stopping switches"
       for switch in self.switches:
+         print switch.name, ; flush()
          switch.stop() ; switch.terminate()
+      print
       print "*** Stopping hosts"
       for host in self.hosts: 
          host.terminate()