fix unit test and start Ryu from DCNetwork init
diff --git a/emuvim/api/zerorpcapi_DCNetwork.py b/emuvim/api/zerorpcapi_DCNetwork.py
index b60093d..27527aa 100755
--- a/emuvim/api/zerorpcapi_DCNetwork.py
+++ b/emuvim/api/zerorpcapi_DCNetwork.py
@@ -6,8 +6,7 @@
 import logging

 import threading

 import zerorpc

-import site

-from subprocess import Popen

+

 

 logging.basicConfig(level=logging.INFO)

 

@@ -30,17 +29,6 @@
         logging.debug("Created monitoring API endpoint %s(%s:%d)" % (

             self.__class__.__name__, self.ip, self.port))

 

-        # 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'

-        self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port])

-

     def connectDCNetwork(self, net):

         self.net = net

         logging.info("Connected DCNetwork to API endpoint %s(%s:%d)" % (

@@ -59,17 +47,17 @@
         s.run()

 

     def stop(self):

-        # stop ryu controller

         logging.info("Stop the monitoring API endpoint")

-        self.ryu_process.terminate()

-        #self.ryu_process.kill()

         return

 

 

 class DCNetworkApi(object):

     """

+        The networking and monitoring commands need the scope of the

+        whole DC network to find the requested vnf. So this API is intended

+        to work with a DCNetwork.

         Just pass through the corresponding request to the

-        selected data center. Do not implement provisioning

+        selected data center network. Do not implement provisioning

         logic here because will will have multiple API

         endpoint implementations at the end.

     """