X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fdcemulator%2Fnet.py;h=d91ef4a59698d28ede791cf3584c2110d20dea7f;hb=827905b867236ee8aaa3c1e84ea6958b636f0da4;hp=bc542939aa6f6031899bd153fe4c959bbbc89741;hpb=ef6629e1ac730db146a8d50b08cadc26f87f21fa;p=osm%2Fvim-emu.git

diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index bc54293..d91ef4a 100755
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -40,10 +40,13 @@ class DCNetwork(Dockernet):
         Dockernet.__init__(
             self, switch=OVSKernelSwitch, **kwargs)
 
-        # start Ryu controller
-        self.startRyu()
+        # Ryu management
+        self.ryu_process = None
+        if controller == RemoteController:
+            # start Ryu controller
+            self.startRyu()
 
-        # add a remote controller to be able to use Ryu
+        # add the specified controller
         self.addController('c0', controller=controller)
 
         # graph of the complete DC network
@@ -154,9 +157,8 @@ class DCNetwork(Dockernet):
 
     def stop(self):
         # stop Ryu controller
-        self.ryu_process.terminate()
-        #self.ryu_process.kill()
         Dockernet.stop(self)
+        self.stopRyu()
 
     def CLI(self):
         CLI(self)
@@ -209,12 +211,18 @@ class DCNetwork(Dockernet):
         # 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'
+        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'
+        ryu_cmd = 'ryu-manager'
         FNULL = open("/tmp/ryu.log", 'w')
         self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
-        time.sleep(1)
\ No newline at end of file
+        time.sleep(1)
+
+    def stopRyu(self):
+        if self.ryu_process is not None:
+            self.ryu_process.terminate()
+            self.ryu_process.kill()
+