def all_link_data(self, flags):
"""
Build CORE API TLVs for a point-to-point link. One Link message describes this network.
"""
all_links = []
if len(self._netif) != 2:
return all_links
if1, if2 = self._netif.items()
if1 = if1[1]
if2 = if2[1]
unidirectional = 0
if if1.getparams() != if2.getparams():
unidirectional = 1
interface1_ip4 = None
interface1_ip4_mask = None
interface1_ip6 = None
interface1_ip6_mask = None
for address in if1.addrlist:
ip, sep, mask = address.partition("/")
mask = int(mask)
if ipaddress.is_ipv4_address(ip):
family = AF_INET
ipl = socket.inet_pton(family, ip)
interface1_ip4 = ipaddress.IpAddress(af=family, address=ipl)
interface1_ip4_mask = mask
else:
family = AF_INET6
ipl = socket.inet_pton(family, ip)
interface1_ip6 = ipaddress.IpAddress(af=family, address=ipl)
interface1_ip6_mask = mask
interface2_ip4 = None
interface2_ip4_mask = None
interface2_ip6 = None
interface2_ip6_mask = None
for address in if2.addrlist:
ip, sep, mask = address.partition("/")
mask = int(mask)
if ipaddress.is_ipv4_address(ip):
family = AF_INET
ipl = socket.inet_pton(family, ip)
interface2_ip4 = ipaddress.IpAddress(af=family, address=ipl)
interface2_ip4_mask = mask
else:
family = AF_INET6
ipl = socket.inet_pton(family, ip)
interface2_ip6 = ipaddress.IpAddress(af=family, address=ipl)
interface2_ip6_mask = mask
# TODO: not currently used
# loss=netif.getparam("loss")
link_data = LinkData(
message_type=flags,
node1_id=if1.node.objid,
node2_id=if2.node.objid,
link_type=self.linktype,
unidirectional=unidirectional,
delay=if1.getparam("delay"),
bandwidth=if1.getparam("bw"),
dup=if1.getparam("duplicate"),
jitter=if1.getparam("jitter"),
interface1_id=if1.node.getifindex(if1),
interface1_mac=if1.hwaddr,
interface1_ip4=interface1_ip4,
interface1_ip4_mask=interface1_ip4_mask,
interface1_ip6=interface1_ip6,
interface1_ip6_mask=interface1_ip6_mask,
interface2_id=if2.node.getifindex(if2),
interface2_mac=if2.hwaddr,
interface2_ip4=interface2_ip4,
interface2_ip4_mask=interface2_ip4_mask,
interface2_ip6=interface2_ip6,
interface2_ip6_mask=interface2_ip6_mask,
)
all_links.append(link_data)
# build a 2nd link message for the upstream link parameters
# (swap if1 and if2)
if unidirectional:
link_data = LinkData(message_type=0,
node1_id=if2.node.objid,
node2_id=if1.node.objid,
delay=if1.getparam("delay"),
bandwidth=if1.getparam("bw"),
dup=if1.getparam("duplicate"),
jitter=if1.getparam("jitter"),
unidirectional=1,
interface1_id=if2.node.getifindex(if2),
interface2_id=if1.node.getifindex(if1))
all_links.append(link_data)
return all_links
def all_link_data(self, flags):
"""
Build link data objects for this network. Each link object describes a link
between this network and a node.
"""
all_links = []
# build a link message from this network node to each node having a
# connected interface
for netif in self.netifs(sort=True):
if not hasattr(netif, "node"):
continue
otherobj = netif.node
uni = False
if otherobj is None:
# two layer-2 switches/hubs linked together via linknet()
if not hasattr(netif, "othernet"):
continue
otherobj = netif.othernet
if otherobj.objid == self.objid:
continue
netif.swapparams('_params_up')
upstream_params = netif.getparams()
netif.swapparams('_params_up')
if netif.getparams() != upstream_params:
uni = True
unidirectional = 0
if uni:
unidirectional = 1
interface2_ip4 = None
interface2_ip4_mask = None
interface2_ip6 = None
interface2_ip6_mask = None
for address in netif.addrlist:
ip, sep, mask = address.partition('/')
mask = int(mask)
if ipaddress.is_ipv4_address(ip):
family = AF_INET
ipl = socket.inet_pton(family, ip)
interface2_ip4 = ipaddress.IpAddress(af=family,
address=ipl)
interface2_ip4_mask = mask
else:
family = AF_INET6
ipl = socket.inet_pton(family, ip)
interface2_ip6 = ipaddress.IpAddress(af=family,
address=ipl)
interface2_ip6_mask = mask
link_data = LinkData(message_type=flags,
node1_id=self.objid,
node2_id=otherobj.objid,
link_type=self.linktype,
unidirectional=unidirectional,
interface2_id=otherobj.getifindex(netif),
interface2_mac=netif.hwaddr,
interface2_ip4=interface2_ip4,
interface2_ip4_mask=interface2_ip4_mask,
interface2_ip6=interface2_ip6,
interface2_ip6_mask=interface2_ip6_mask,
delay=netif.getparam("delay"),
bandwidth=netif.getparam("bw"),
dup=netif.getparam("duplicate"),
jitter=netif.getparam("jitter"))
all_links.append(link_data)
if not uni:
continue
netif.swapparams('_params_up')
link_data = LinkData(message_type=0,
node1_id=otherobj.objid,
node2_id=self.objid,
unidirectional=1,
delay=netif.getparam("delay"),
bandwidth=netif.getparam("bw"),
dup=netif.getparam("duplicate"),
jitter=netif.getparam("jitter"))
netif.swapparams('_params_up')
all_links.append(link_data)
return all_links
def tolinkmsgs(self, flags):
"""
Build CORE API TLVs for a point-to-point link. One Link message
describes this network.
"""
tlvdata = ""
if len(self._netif) != 2:
return tlvdata
(if1, if2) = self._netif.items()
if1 = if1[1]
if2 = if2[1]
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.N1_NUMBER.value,
if1.node.objid)
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.N2_NUMBER.value,
if2.node.objid)
delay = if1.getparam("delay")
bw = if1.getparam("bw")
loss = if1.getparam("loss")
duplicate = if1.getparam("duplicate")
jitter = if1.getparam("jitter")
if delay is not None:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.DELAY.value, delay)
if bw is not None:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.BANDWIDTH.value, bw)
if loss is not None:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.PER.value, str(loss))
if duplicate is not None:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.DUP.value,
str(duplicate))
if jitter is not None:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.JITTER.value, jitter)
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.TYPE.value, self.linktype)
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.INTERFACE1_NUMBER.value,
if1.node.getifindex(if1))
if if1.hwaddr:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.INTERFACE1_MAC.value,
if1.hwaddr)
for addr in if1.addrlist:
ip, sep, mask = addr.partition("/")
mask = int(mask)
if ipaddress.is_ipv4_address(ip):
family = socket.AF_INET
tlvtypeip = LinkTlvs.INTERFACE1_IP4.value
tlvtypemask = LinkTlvs.INTERFACE1_IP4_MASK
else:
family = socket.AF_INET6
tlvtypeip = LinkTlvs.INTERFACE1_IP6.value
tlvtypemask = LinkTlvs.INTERFACE1_IP6_MASK.value
ipl = socket.inet_pton(family, ip)
tlvdata += coreapi.CoreLinkTlv.pack(
tlvtypeip, ipaddress.IpAddress(af=family, address=ipl))
tlvdata += coreapi.CoreLinkTlv.pack(tlvtypemask, mask)
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.INTERFACE2_NUMBER.value,
if2.node.getifindex(if2))
if if2.hwaddr:
tlvdata += coreapi.CoreLinkTlv.pack(LinkTlvs.INTERFACE2_MAC.value,
if2.hwaddr)
for addr in if2.addrlist:
ip, sep, mask = addr.partition("/")
mask = int(mask)
if ipaddress.is_ipv4_address(ip):
family = socket.AF_INET
tlvtypeip = LinkTlvs.INTERFACE2_IP4.value
tlvtypemask = LinkTlvs.INTERFACE2_IP4_MASK
else:
family = socket.AF_INET6
tlvtypeip = LinkTlvs.INTERFACE2_IP6.value
tlvtypemask = LinkTlvs.INTERFACE2_IP6_MASK.value
ipl = socket.inet_pton(family, ip)
tlvdata += coreapi.CoreLinkTlv.pack(
tlvtypeip, ipaddress.IpAddress(af=family, address=ipl))
tlvdata += coreapi.CoreLinkTlv.pack(tlvtypemask, mask)
msg = coreapi.CoreLinkMessage.pack(flags, tlvdata)
return [
msg,
]
