WIP Added topology and topo dependency. Implemented the add flow case.

Change-Id: Iabc86f5776de3e72eac22315d0e44e7478957424
diff --git a/TestON/tests/FUNCflow/Dependency/flow-2sw.py b/TestON/tests/FUNCflow/Dependency/flow-2sw.py
new file mode 100755
index 0000000..2299d9e
--- /dev/null
+++ b/TestON/tests/FUNCflow/Dependency/flow-2sw.py
@@ -0,0 +1,50 @@
+#!/usr/bin/python
+
+"""
+Custom topology for Mininet
+"""
+from mininet.topo import Topo
+from mininet.net import Mininet
+from mininet.node import Host, RemoteController
+from mininet.node import Node
+from mininet.node import CPULimitedHost
+from mininet.link import TCLink
+from mininet.cli import CLI
+from mininet.log import setLogLevel
+from mininet.util import dumpNodeConnections
+from mininet.node import ( UserSwitch, OVSSwitch, IVSSwitch )
+
+class MyTopo( Topo ):
+
+    def __init__( self ):
+        # Initialize topology
+        Topo.__init__( self )
+        # Switch S5 Hosts
+        host1=self.addHost( 'h1', ip='10.1.0.1/24' )
+        host2=self.addHost( 'h2', ip='10.1.0.2/24' )
+        #host3=self.addHost( 'h3', ip='10.1.0.3/24', v6Addr='1000::3/64' )
+        #host4=self.addHost( 'h4', ip='10.1.0.4/24', v6Addr='1000::4/64' )
+
+        s1 = self.addSwitch( 's1' )
+        #s2 = self.addSwitch( 's2' )
+
+        self.addLink(s1, host1)
+        self.addLink(s1, host2)
+        #self.addLink(s1, host3)
+        #self.addLink(s1, host4)
+
+
+        topos = { 'mytopo': ( lambda: MyTopo() ) }
+
+def setupNetwork():
+    "Create network"
+    topo = MyTopo()
+    network = Mininet(topo=topo, autoSetMacs=True, controller=None)
+    network.start()
+    CLI( network )
+    network.stop()
+
+if __name__ == '__main__':
+    setLogLevel('info')
+    #setLogLevel('debug')
+    setupNetwork()
diff --git a/TestON/tests/FUNCflow/Dependency/topo.py b/TestON/tests/FUNCflow/Dependency/topo.py
new file mode 100644
index 0000000..b44e3fc
--- /dev/null
+++ b/TestON/tests/FUNCflow/Dependency/topo.py
@@ -0,0 +1,100 @@
+"""
+    These functions can be used for topology comparisons
+"""
+
+import time
+import os
+import json
+
+def getAllDevices( main ):
+    """
+        Return a list containing the devices output from each ONOS node
+    """
+    devices = []
+    threads = []
+    for i in range( main.numCtrls ):
+        t = main.Thread( target=main.CLIs[i].devices,
+                         name="devices-" + str( i ),
+                         args=[ ] )
+        threads.append( t )
+        t.start()
+
+    for t in threads:
+        t.join()
+        devices.append( t.result )
+    return devices
+
+def getAllHosts( main ):
+    """
+        Return a list containing the hosts output from each ONOS node
+    """
+    hosts = []
+    ipResult = main.TRUE
+    threads = []
+    for i in range( main.numCtrls ):
+        t = main.Thread( target=main.CLIs[i].hosts,
+                         name="hosts-" + str( i ),
+                         args=[ ] )
+        threads.append( t )
+        t.start()
+
+    for t in threads:
+        t.join()
+        hosts.append( t.result )
+    return hosts
+
+def getAllPorts( main ):
+    """
+        Return a list containing the ports output from each ONOS node
+    """
+    ports = []
+    threads = []
+    for i in range( main.numCtrls ):
+        t = main.Thread( target=main.CLIs[i].ports,
+                         name="ports-" + str( i ),
+                         args=[ ] )
+        threads.append( t )
+        t.start()
+
+    for t in threads:
+        t.join()
+        ports.append( t.result )
+    return ports
+
+def getAllLinks( main ):
+    """
+        Return a list containing the links output from each ONOS node
+    """
+    links = []
+    threads = []
+    for i in range( main.numCtrls ):
+        t = main.Thread( target=main.CLIs[i].links,
+                         name="links-" + str( i ),
+                         args=[ ] )
+        threads.append( t )
+        t.start()
+
+    for t in threads:
+        t.join()
+        links.append( t.result )
+    return links
+
+def getAllClusters( main ):
+    """
+        Return a list containing the clusters output from each ONOS node
+    """
+    clusters = []
+    threads = []
+    for i in range( main.numCtrls ):
+        t = main.Thread( target=main.CLIs[i].clusters,
+                         name="clusters-" + str( i ),
+                         args=[ ] )
+        threads.append( t )
+        t.start()
+
+    for t in threads:
+        t.join()
+        clusters.append( t.result )
+    return clusters
+
+