def _create_links(self, links):
def is_remote(node):
return isinstance(node, RemoteSwitch)
def is_local(node):
return not is_remote(node)
self._info('**** Create %d link(s)' % len(links))
for id, link in links.iteritems():
self._debug('\tCreate link %s with params: %s' % (id, link))
node1 = self.net.get(link['node1'])
node2 = self.net.get(link['node2'])
name_to_node = {'node1': node1, 'node2': node2}
link.update(name_to_node)
remote = filter(is_remote, [node1, node2])
local = filter(is_local, [node1, node2])
if not remote:
self.net.addLink(**link)
else:
sw = local[0]
r = remote[0]
intfName = r.params['local_intf_name']
r_mac = None # unknown, r.params['remote_mac']
r_port = r.params['remote_port']
self._debug('\tadd hw interface (%s) to node (%s)' % (intfName, sw.name))
# This hack avoids calling __init__ which always makeIntfPair()
link = Link.__new__(Link)
i1 = Intf(intfName, node=sw, link=link)
i2 = Intf(intfName, node=r, mac=r_mac, port=r_port, link=link)
i2.mac = r_mac # mn runs 'ifconfig', which resets mac to None
#
link.intf1, link.intf2 = i1, i2
def _create_links(self, links):
def is_remote(node):
return isinstance(node, RemoteSwitch)
def is_local(node):
return not is_remote(node)
self._info('**** Create %d link(s)' % len(links))
for id, link in links.iteritems():
self._debug('\tCreate link %s with params: %s' % (id, link))
node1 = self.net.get(link['node1'])
node2 = self.net.get(link['node2'])
name_to_node = {'node1': node1, 'node2': node2}
link.update(name_to_node)
remote = filter(is_remote, [node1, node2])
local = filter(is_local, [node1, node2])
if not remote:
self.net.addLink(**link)
else:
sw = local[0]
r = remote[0]
intfName = r.params['local_intf_name']
r_mac = None # unknown, r.params['remote_mac']
r_port = r.params['remote_port']
self._debug('\tadd hw interface (%s) to node (%s)' %
(intfName, sw.name))
# This hack avoids calling __init__ which always makeIntfPair()
link = Link.__new__(Link)
i1 = Intf(intfName, node=sw, link=link)
i2 = Intf(intfName, node=r, mac=r_mac, port=r_port, link=link)
i2.mac = r_mac # mn runs 'ifconfig', which resets mac to None
#
link.intf1, link.intf2 = i1, i2
def found_vnf_links(self, vnf_id, links):
def get_intf_by_name(node, intf_name):
for i in node.intfList():
if str(i) == intf_name:
return i
return None
def get_or_create_intf(dev_name, obj, port):
if port not in obj.intfs:
# does not exist, let's create it
return Intf(dev_name, node=obj, port=port)
if str(obj.intfs[port]) != dev_name:
# intf exists, but port is invalid
return Intf(dev_name, node=obj, port=port)
return obj.intfs[port]
for i, link in enumerate(links):
if int(link['sw_port']) == -1:
# disconnected links (with port==-1) are omitted
continue
sw_name = link.get('sw_id', 'sw_id'+str(i))
sw_dev = link.get('sw_dev', 'sw_dev'+str(i))
sw_port = int(link['sw_port'])
nf_name = vnf_id
nf_dev = link.get('vnf_dev', 'vnf_dev'+str(i))
nf_port = int(link['vnf_port'])
nf_mac = link['vnf_dev_mac']
sw_obj = self.net.getNodeByName(sw_name)
try:
nf_obj = self.net.getNodeByName(nf_name)
except KeyError:
# this is a VNF not managed by mininet, yet we have to
# add to the mininet 'database'. TODO: Ideally, it
# would be a RemoteHost, but for now it is a
# RemoteSwitch.
nf_obj = self.net.addRemoteSwitch(nf_name, dpid="-1")
sw_i = get_or_create_intf(sw_dev, sw_obj, sw_port)
if nf_dev in nf_obj.intfNames():
nf_i = get_intf_by_name(nf_obj, nf_dev)
else:
nf_i = Intf(nf_dev, node=nf_obj, port=nf_port, mac=nf_mac)
nf_i.mac = nf_mac # mn runs 'ifconfig', which resets mac to None
self.found_link(sw_obj, nf_obj, sw_i, nf_i)
def found_vnf_links(self, vnf_id, links):
def get_intf_by_name(node, intf_name):
for i in node.intfList():
if str(i) == intf_name:
return i
return None
def get_or_create_intf(dev_name, obj, port):
if port not in obj.intfs:
# does not exist, let's create it
return Intf(dev_name, node=obj, port=port)
if str(obj.intfs[port]) != dev_name:
# intf exists, but port is invalid
return Intf(dev_name, node=obj, port=port)
return obj.intfs[port]
for i, link in enumerate(links):
if int(link['sw_port']) == -1:
# disconnected links (with port==-1) are omitted
continue
sw_name = link.get('sw_id', 'sw_id' + str(i))
sw_dev = link.get('sw_dev', 'sw_dev' + str(i))
sw_port = int(link['sw_port'])
nf_name = vnf_id
nf_dev = link.get('vnf_dev', 'vnf_dev' + str(i))
nf_port = int(link['vnf_port'])
nf_mac = link['vnf_dev_mac']
sw_obj = self.net.getNodeByName(sw_name)
try:
nf_obj = self.net.getNodeByName(nf_name)
except KeyError:
# this is a VNF not managed by mininet, yet we have to
# add to the mininet 'database'. TODO: Ideally, it
# would be a RemoteHost, but for now it is a
# RemoteSwitch.
nf_obj = self.net.addRemoteSwitch(nf_name, dpid="-1")
sw_i = get_or_create_intf(sw_dev, sw_obj, sw_port)
if nf_dev in nf_obj.intfNames():
nf_i = get_intf_by_name(nf_obj, nf_dev)
else:
nf_i = Intf(nf_dev, node=nf_obj, port=nf_port, mac=nf_mac)
nf_i.mac = nf_mac # mn runs 'ifconfig', which resets mac to None
self.found_link(sw_obj, nf_obj, sw_i, nf_i)
