X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=emuvim%2Fdcemulator%2Fnet.py;h=20ab33a72b2d25fd49ad0d7c827ed67cb83f6230;hb=a38de012a7a59661484805036eb9cce3c5cddf16;hp=609d46c89436118dbf28129d9dc1ffb0c1fe1ca6;hpb=3c54d667e0af7b7d9f54ed1e1e2bdcc61b601cfb;p=osm%2Fvim-emu.git

diff --git a/emuvim/dcemulator/net.py b/emuvim/dcemulator/net.py
index 609d46c..20ab33a 100755
--- a/emuvim/dcemulator/net.py
+++ b/emuvim/dcemulator/net.py
@@ -4,6 +4,10 @@ Distributed Cloud Emulator (dcemulator)
 """
 import logging
 
+import site
+from subprocess import Popen
+import os
+
 from mininet.net import Dockernet
 from mininet.node import Controller, OVSSwitch, OVSKernelSwitch, Switch, Docker, Host, RemoteController
 from mininet.cli import CLI
@@ -27,9 +31,11 @@ class DCNetwork(Dockernet):
         self.dcs = {}
         # create a Mininet/Dockernet network
         # call original Docker.__init__ and setup default controller
+        #Dockernet.__init__(
+        #    self, controller=RemoteController, switch=OVSKernelSwitch, **kwargs)
         Dockernet.__init__(
             self, controller=RemoteController, switch=OVSKernelSwitch, **kwargs)
-        self.addController('c0')
+        self.addController('c0', controller=RemoteController)
 
         # graph of the complete DC network
         self.DCNetwork_graph=nx.DiGraph()
@@ -37,6 +43,9 @@ class DCNetwork(Dockernet):
         # monitoring agent
         self.monitor_agent = DCNetworkMonitor(self)
 
+        # start Ryu controller
+        self.startRyu()
+
 
     def addDatacenter(self, label, metadata={}):
         """
@@ -131,6 +140,9 @@ class DCNetwork(Dockernet):
         Dockernet.start(self)
 
     def stop(self):
+        # stop Ryu controller
+        self.ryu_process.terminate()
+        #self.ryu_process.kill()
         Dockernet.stop(self)
 
     def CLI(self):
@@ -177,4 +189,18 @@ class DCNetwork(Dockernet):
 
             current_hop = next_hop
 
-        return "destination node: {0} not reached".format(vnf_dst_name)
\ No newline at end of file
+        return "destination node: {0} not reached".format(vnf_dst_name)
+
+    # start Ryu Openflow controller as Remote Controller for the DCNetwork
+    def startRyu(self):
+        # start Ryu controller with rest-API
+        python_install_path = site.getsitepackages()[0]
+        ryu_path = python_install_path + '/ryu/app/simple_switch_13.py'
+        ryu_path2 =  python_install_path + '/ryu/app/ofctl_rest.py'
+        # change the default Openflow controller port to 6653 (official IANA-assigned port number), as used by Mininet
+        # Ryu still uses 6633 as default
+        ryu_option = '--ofp-tcp-listen-port'
+        ryu_of_port = '6653'
+        ryu_cmd =  'ryu-manager'
+        FNULL = open(os.devnull, 'w')
+        self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
\ No newline at end of file