def parse_interface(self, node, device_id, interface):
'''\
Each interface can have multiple 'address' elements.
'''
if_name = interface.getAttribute('name')
network = self.find_interface_network_object(interface)
if not network:
msg = 'skipping node \'%s\' interface \'%s\': ' \
'unknown network' % (node.name, if_name)
self.warn(msg)
assert False # XXX for testing
return
mac, ipv4, ipv6, hostname = self.parse_addresses(interface)
if mac:
hwaddr = MacAddr.fromstring(mac[0])
else:
hwaddr = None
ifindex = node.newnetif(network,
addrlist=ipv4 + ipv6,
hwaddr=hwaddr,
ifindex=None,
ifname=if_name)
# TODO: 'hostname' addresses are unused
if self.verbose:
msg = 'node \'%s\' interface \'%s\' connected ' \
'to network \'%s\'' % (node.name, if_name, network.name)
self.info(msg)
# set link parameters for wired links
if isinstance(network,
(nodes.HubNode, nodes.PtpNet, nodes.SwitchNode)):
netif = node.netif(ifindex)
self.set_wired_link_parameters(network, netif, device_id)
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
def parse_interface(self, node, device_id, interface):
'''\
Each interface can have multiple 'address' elements.
'''
if_name = interface.getAttribute('name')
network = self.find_interface_network_object(interface)
if not network:
msg = 'skipping node \'%s\' interface \'%s\': ' \
'unknown network' % (node.name, if_name)
self.warn(msg)
assert False # XXX for testing
return
mac, ipv4, ipv6, hostname = self.parse_addresses(interface)
if mac:
hwaddr = MacAddr.fromstring(mac[0])
else:
hwaddr = None
ifindex = node.newnetif(network, addrlist = ipv4 + ipv6,
hwaddr = hwaddr, ifindex = None,
ifname = if_name)
# TODO: 'hostname' addresses are unused
if self.verbose:
msg = 'node \'%s\' interface \'%s\' connected ' \
'to network \'%s\'' % (node.name, if_name, network.name)
self.info(msg)
# set link parameters for wired links
if isinstance(network,
(nodes.HubNode, nodes.PtpNet, nodes.SwitchNode)):
netif = node.netif(ifindex)
self.set_wired_link_parameters(network, netif, device_id)
def buildplatformxml(self):
''' Build a platform.xml file now that all nodes are configured.
'''
values = self.getconfig(None, "emane",
self.emane_config.getdefaultvalues())[1]
doc = self.xmldoc("platform")
plat = doc.getElementsByTagName("platform").pop()
platformid = self.emane_config.valueof("platform_id_start", values)
plat.setAttribute("name", "Platform %s" % platformid)
plat.setAttribute("id", platformid)
names = list(self.emane_config.getnames())
platform_names = names[:len(self.emane_config._confmatrix_platform)]
platform_names.remove('platform_id_start')
# append all platform options (except starting id) to doc
list([plat.appendChild(self.xmlparam(doc, n, \
self.emane_config.valueof(n, values))) for n in platform_names])
nemid = int(self.emane_config.valueof("nem_id_start", values))
# assume self._objslock is already held here
for n in sorted(self._objs.keys()):
emanenode = self._objs[n]
nems = emanenode.buildplatformxmlentry(doc)
for netif in sorted(nems, key=lambda n: n.node.objid):
# set ID, endpoints here
nementry = nems[netif]
nementry.setAttribute("id", "%d" % nemid)
# insert nem options (except nem id) to doc
trans_addr = self.emane_config.valueof("transportendpoint", \
values)
nementry.insertBefore(self.xmlparam(doc, "transportendpoint", \
"%s:%d" % (trans_addr, self.transformport)),
nementry.firstChild)
platform_addr = self.emane_config.valueof("platformendpoint", \
values)
nementry.insertBefore(self.xmlparam(doc, "platformendpoint", \
"%s:%d" % (platform_addr, self.platformport)),
nementry.firstChild)
plat.appendChild(nementry)
emanenode.setnemid(netif, nemid)
# NOTE: MAC address set before here is incorrect, including the one
# sent from the GUI via link message
# MAC address determined by NEM ID: 02:02:00:00:nn:nn"
macstr = self._hwaddr_prefix + ":00:00:"
macstr += "%02X:%02X" % ((nemid >> 8) & 0xFF, nemid & 0xFF)
netif.sethwaddr(MacAddr.fromstring(macstr))
# increment counters used to manage IDs, endpoint port numbers
nemid += 1
self.platformport += 1
self.transformport += 1
self.xmlwrite(doc, "platform.xml")
def ourmacaddress(n):
return MacAddr.fromstring("02:02:00:00:00:%02x" % n)
def ourmacaddress(n):
return MacAddr.fromstring("02:02:00:00:00:%02x" % n)