CLI(self)
# to remove chain do setChain( src, dst, cmd='del-flows')
- def setChain(self, vnf_src_name, vnf_dst_name, vnf_src_interface=None, vnf_dst_interface=None, cmd='add-flow', weight=None):
+ def setChain(self, vnf_src_name, vnf_dst_name, vnf_src_interface=None, vnf_dst_interface=None, cmd='add-flow',
+ weight=None, **kwargs):
+ logging.info('vnf_src_if: {0}'.format(vnf_src_interface))
#check if port is specified (vnf:port)
if vnf_src_interface is None:
# take first interface by default
# TODO this only sets port in to out, no match, so this will give trouble when multiple services are deployed...
# TODO need multiple matches to do this (VLAN tags)
if isinstance( current_node, OVSSwitch ):
+ match_input = kwargs.get('match')
+ self._set_flow_entry_dpctl(current_node, switch_inport_nr, switch_outport_nr, match_input, cmd)
+ if kwargs.get('bidirectional'):
+ self._set_flow_entry_dpctl(current_node, switch_outport_nr, switch_inport_nr, match_input, cmd)
+ '''
match = 'in_port=%s' % switch_inport_nr
+ #add additional match entries from the argument
+ match_input = kwargs.get('match')
+ #logging.info('match input:{0}'.format(match_input))
+ if match_input:
+ s = ','
+ match = s.join([match,match_input])
if cmd=='add-flow':
action = 'action=%s' % switch_outport_nr
current_node.dpctl(cmd, ofcmd)
logging.info("add flow in switch: {0} in_port: {1} out_port: {2}".format(current_node.name, switch_inport_nr,
switch_outport_nr))
+ '''
# take first link between switches by default
if isinstance( next_node, OVSSwitch ):
switch_inport_nr = self.DCNetwork_graph[current_hop][next_hop][0]['dst_port_nr']
return "path added between {0} and {1}".format(vnf_src_name, vnf_dst_name)
#return "destination node: {0} not reached".format(vnf_dst_name)
+ def _set_flow_entry_dpctl(self, node, switch_inport_nr, switch_outport_nr, match_input, cmd):
+ match = 'in_port=%s' % switch_inport_nr
+ # add additional match entries from the argument
+ #match_input = kwargs.get('match')
+ # logging.info('match input:{0}'.format(match_input))
+ if match_input:
+ s = ','
+ match = s.join([match, match_input])
+
+ if cmd == 'add-flow':
+ action = 'action=%s' % switch_outport_nr
+ s = ','
+ ofcmd = s.join([match, action])
+ elif cmd == 'del-flows':
+ ofcmd = match
+ else:
+ ofcmd = ''
+
+ node.dpctl(cmd, ofcmd)
+ logging.info("add flow in switch: {0} in_port: {1} out_port: {2}".format(node.name, switch_inport_nr,
+ switch_outport_nr))
+
# start Ryu Openflow controller as Remote Controller for the DCNetwork
def startRyu(self):
# start Ryu controller with rest-API
ryu_of_port = '6653'
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)
+ self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
# no learning switch
- self.ryu_process = Popen([ryu_cmd, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
+ #self.ryu_process = Popen([ryu_cmd, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
time.sleep(1)
def stopRyu(self):