def addremovectrlif(self, node, netidx=0, remove=False, conf_reqd=True):
''' Add a control interface to a node when a 'controlnet' prefix is
listed in the config file or session options. Uses
addremovectrlnet() to build or remove the control bridge.
If conf_reqd is False, the control network may be built even
when the user has not configured one (e.g. for EMANE.)
'''
ctrlnet = self.addremovectrlnet(netidx, remove, conf_reqd)
if ctrlnet is None:
return
if node is None:
return
if node.netif(ctrlnet.CTRLIF_IDX_BASE + netidx):
return # ctrl# already exists
ctrlip = node.objid
try:
addrlist = [
"%s/%s" %
(ctrlnet.prefix.addr(ctrlip), ctrlnet.prefix.prefixlen)
]
except ValueError:
msg = "Control interface not added to node %s. " % node.objid
msg += "Invalid control network prefix (%s). " % ctrlnet.prefix
msg += "A longer prefix length may be required for this many nodes."
node.exception(coreapi.CORE_EXCP_LEVEL_ERROR,
"Session.addremovectrlif()", msg)
return
ifi = node.newnetif(net=ctrlnet,
ifindex=ctrlnet.CTRLIF_IDX_BASE + netidx,
ifname="ctrl%d" % netidx,
hwaddr=MacAddr.random(),
addrlist=addrlist)
node.netif(ifi).control = True
def addremovectrlif(self, node, remove=False, conf_reqd=True):
''' Add a control interface to a node when a 'controlnet' prefix is
listed in the config file or session options. Uses
addremovectrlnet() to build or remove the control bridge.
If conf_reqd is False, the control network may be built even
when the user has not configured one (e.g. for EMANE.)
'''
ctrlnet = self.addremovectrlnet(remove, conf_reqd)
if ctrlnet is None:
return
if node is None:
return
if node.netif(ctrlnet.CTRLIF_IDX_BASE):
return # ctrl0 already exists
ctrlip = node.objid
try:
addrlist = ["%s/%s" % (ctrlnet.prefix.addr(ctrlip),
ctrlnet.prefix.prefixlen)]
except ValueError:
msg = "Control interface not added to node %s. " % node.objid
msg += "Invalid control network prefix (%s). " % ctrlnet.prefix
msg += "A longer prefix length may be required for this many nodes."
node.exception(coreapi.CORE_EXCP_LEVEL_ERROR,
"Session.addremovectrlif()", msg)
return
ifi = node.newnetif(net = ctrlnet, ifindex = ctrlnet.CTRLIF_IDX_BASE,
ifname = "ctrl0", hwaddr = MacAddr.random(),
addrlist = addrlist)
node.netif(ifi).control = True
