cleanup for open sourcing

[osm/vim-emu.git] / src / emuvim / dcemulator / net.py

diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index 115b9e5..0e3882c 100755 (executable)
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -1,6 +1,29 @@
 """
-Distributed Cloud Emulator (dcemulator)
-(c) 2015 by Manuel Peuster <manuel.peuster@upb.de>
+Copyright (c) 2015 SONATA-NFV and Paderborn University
+ALL RIGHTS RESERVED.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
+nor the names of its contributors may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+This work has been performed in the framework of the SONATA project,
+funded by the European Commission under Grant number 671517 through
+the Horizon 2020 and 5G-PPP programmes. The authors would like to
+acknowledge the contributions of their colleagues of the SONATA
+partner consortium (www.sonata-nfv.eu).
 """
 import logging
 
@@ -236,20 +259,21 @@ class DCNetwork(Containernet):
         if cmd == 'add-flow':
             ret = self._chainAddFlow(vnf_src_name, vnf_dst_name, vnf_src_interface, vnf_dst_interface, **kwargs)
             if kwargs.get('bidirectional'):
-                return ret +'\n' + self._chainAddFlow(vnf_dst_name, vnf_src_name, vnf_dst_interface, vnf_src_interface, **kwargs)
+                ret = ret +'\n' + self._chainAddFlow(vnf_dst_name, vnf_src_name, vnf_dst_interface, vnf_src_interface, **kwargs)
 
-        elif cmd == 'del-flows':  # TODO: del-flow to be implemented
+        elif cmd == 'del-flows':
             ret = self._chainAddFlow(vnf_src_name, vnf_dst_name, vnf_src_interface, vnf_dst_interface, **kwargs)
             if kwargs.get('bidirectional'):
-                return ret + '\n' + self._chainAddFlow(vnf_dst_name, vnf_src_name, vnf_dst_interface, vnf_src_interface, **kwargs)
+                ret = ret + '\n' + self._chainAddFlow(vnf_dst_name, vnf_src_name, vnf_dst_interface, vnf_src_interface, **kwargs)
 
         else:
-            return "Command unknown"
+            ret = "Command unknown"
+
+        return ret
 
 
     def _chainAddFlow(self, vnf_src_name, vnf_dst_name, vnf_src_interface=None, vnf_dst_interface=None, **kwargs):
 
-        # TODO: this needs to be cleaned up
         #check if port is specified (vnf:port)
         if vnf_src_interface is None:
             # take first interface by default
@@ -366,7 +390,6 @@ class DCNetwork(Containernet):
 
         flow = {}
         flow['dpid'] = int(node.dpid, 16)
-        logging.info('node name:{0}'.format(node.name))
 
         if cookie:
             flow['cookie'] = int(cookie)
@@ -401,14 +424,13 @@ class DCNetwork(Containernet):
             action['type'] = 'OUTPUT'
             action['port'] = switch_outport_nr
             flow['actions'].append(action)
-            #flow['match'] = self._parse_match(match)
+
         elif cmd == 'del-flows':
-            #del(flow['actions'])
             prefix = 'stats/flowentry/delete'
+
             if cookie:
-                flow['cookie_mask'] = cookie
-            #if cookie is None:
-            #    flow['match'] = self._parse_match(match)
+                # TODO: add cookie_mask as argument
+                flow['cookie_mask'] = int('0xffffffffffffffff', 16)  # need full mask to match complete cookie
 
             action = {}
             action['type'] = 'OUTPUT'
@@ -470,7 +492,7 @@ class DCNetwork(Containernet):
         if learning_switch:
             self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
         else:
-            # no learning switch
+            # no learning switch, but with rest api
             self.ryu_process = Popen([ryu_cmd, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
         time.sleep(1)