def _modify_address_helper(self, addressHelper, cidr_addr):
""" modify the netbase, mask and and base of the address helper
"""
addr, netBase, mask = CIDR_to_subnet_mask(cidr_addr)
netAddr = get_net_addr(addr, mask)
addressHelper.SetBase(
network=ns3.Ipv4Address(netBase),
mask = ns3.Ipv4Mask(mask),
base = ns3.Ipv4Address(netAddr),
)
return addressHelper
def _modify_address_helper(self, addressHelper, cidr_addr):
""" modify the netbase, mask and and base of the address helper
"""
addr, netBase, mask = CIDR_to_subnet_mask(cidr_addr)
netAddr = get_net_addr(addr, mask)
addressHelper.SetBase(
network=ns3.Ipv4Address(netBase),
mask=ns3.Ipv4Mask(mask),
base=ns3.Ipv4Address(netAddr),
)
return addressHelper
def init_net_device(self, net_settings, *args, **kwargs):
"""Initial the ip address and network devices
"""
self.net_settings = net_settings
totlinks = self.inFile.LinksSize()
p2p = ns3.PointToPointHelper()
self.link_ndc_map = dict()
for i in xrange(totlinks):
Delay, DataRate = self.get_link_attr(i)
p2p.SetChannelAttribute("Delay", ns.core.StringValue(Delay))
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue(DataRate))
self.link_ndc_map[self.get_link_name(i)] = p2p.Install( self.linksC[i] )
# Create little subnets, one for each couple of nodes
defaultAddressHelper = ns3.Ipv4AddressHelper()
defaultAddr, defaultNetBase, defaultMask = CIDR_to_subnet_mask(net_settings['ipv4_net_addr_base'])
netAddr = get_net_addr(defaultAddr, defaultMask)
defaultAddressHelper.SetBase(
network=ns3.Ipv4Address(defaultNetBase),
mask = ns3.Ipv4Mask(defaultMask),
base = ns3.Ipv4Address(netAddr),
)
# FIXME, THE ORDER HERE WITH THE ORDER in FS CONFIGURE MAY BE
# DIFFERENT
addressHelper = ns3.Ipv4AddressHelper()
ipic = [] #ip interface container
for i in xrange(totlinks):
ips = self.net_settings['link_to_ip_map'].get(self.get_link_name(i), None)
# Use the default base when the ip address is not explictly specified,
# create new network for each p2p link
if not ips:
raise Exception('Sorry, in current version of ManualTopologyNet ' +
'You have to specify the link_to_ip_map for ALL LINKS!')
print(self.get_link_name(i), 'use default address helper')
ipic.append( defaultAddressHelper.Assign(self.get_link_ndc(i)) )
addressHelper.NewNetwork()
continue
addressHelper = ns3.Ipv4AddressHelper()
j = -1
ipic_tmp = []
for ip in ips:
j += 1
print('address, ', ip)
addressHelper = self._modify_address_helper(addressHelper, ip)
ipc = addressHelper.Assign(ns3.NetDeviceContainer(self.get_link_ndc(i).Get(j)))
ipic_tmp.append(ipc)
ipic.append(ipic_tmp)
self.p2p = p2p
self.ipic = ipic
# from ns.core import ofstream
# _ascii = ofstream("wifi-ap.tr")
# p2p.EnableAsciiAll("test")
return ipic
def _init_addr_helper(self):
"""initialize the address helper"""
ipv4_net_addr_base = self.net_desc.get('ipv4_net_addr_base', '10.0.7.4/24')
addr, network, mask = CIDR_to_subnet_mask(ipv4_net_addr_base)
base = get_net_addr(addr, mask)
self.addr_helper = Ipv4AddressHelper(network, mask, base)
def init_net_device(self, net_settings, *args, **kwargs):
"""Initial the ip address and network devices
"""
self.net_settings = net_settings
totlinks = self.inFile.LinksSize()
p2p = ns3.PointToPointHelper()
self.link_ndc_map = dict()
for i in xrange(totlinks):
Delay, DataRate = self.get_link_attr(i)
p2p.SetChannelAttribute("Delay", ns.core.StringValue(Delay))
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue(DataRate))
self.link_ndc_map[self.get_link_name(i)] = p2p.Install(
self.linksC[i])
# Create little subnets, one for each couple of nodes
defaultAddressHelper = ns3.Ipv4AddressHelper()
defaultAddr, defaultNetBase, defaultMask = CIDR_to_subnet_mask(
net_settings['ipv4_net_addr_base'])
netAddr = get_net_addr(defaultAddr, defaultMask)
defaultAddressHelper.SetBase(
network=ns3.Ipv4Address(defaultNetBase),
mask=ns3.Ipv4Mask(defaultMask),
base=ns3.Ipv4Address(netAddr),
)
# FIXME, THE ORDER HERE WITH THE ORDER in FS CONFIGURE MAY BE
# DIFFERENT
addressHelper = ns3.Ipv4AddressHelper()
ipic = [] #ip interface container
for i in xrange(totlinks):
ips = self.net_settings['link_to_ip_map'].get(
self.get_link_name(i), None)
# Use the default base when the ip address is not explictly specified,
# create new network for each p2p link
if not ips:
raise Exception(
'Sorry, in current version of ManualTopologyNet ' +
'You have to specify the link_to_ip_map for ALL LINKS!')
print(self.get_link_name(i), 'use default address helper')
ipic.append(defaultAddressHelper.Assign(self.get_link_ndc(i)))
addressHelper.NewNetwork()
continue
addressHelper = ns3.Ipv4AddressHelper()
j = -1
ipic_tmp = []
for ip in ips:
j += 1
print('address, ', ip)
addressHelper = self._modify_address_helper(addressHelper, ip)
ipc = addressHelper.Assign(
ns3.NetDeviceContainer(self.get_link_ndc(i).Get(j)))
ipic_tmp.append(ipc)
ipic.append(ipic_tmp)
self.p2p = p2p
self.ipic = ipic
# from ns.core import ofstream
# _ascii = ofstream("wifi-ap.tr")
# p2p.EnableAsciiAll("test")
return ipic