3 # NEPI, a framework to manage network experiments
4 # Copyright (C) 2013 INRIA
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
31 n1 -- p2p -- n2 -- csma -- n5 -- p2p -- n8
41 from nepi.execution.ec import ExperimentController
43 def add_node(ec, simu):
44 ## Add a ns-3 node with its protocol stack
45 nsnode = ec.register_resource("ns3::Node")
46 ec.register_connection(nsnode, simu)
48 ipv4 = ec.register_resource("ns3::Ipv4L3Protocol")
49 ec.register_connection(nsnode, ipv4)
50 arp = ec.register_resource("ns3::ArpL3Protocol")
51 ec.register_connection(nsnode, arp)
52 icmp = ec.register_resource("ns3::Icmpv4L4Protocol")
53 ec.register_connection(nsnode, icmp)
56 def add_p2p_dev(ec, nsnode, ip, prefix):
57 # Add a point to point net device to the node
58 dev = ec.register_resource("ns3::PointToPointNetDevice")
60 ec.set(dev, "prefix", prefix)
61 ec.register_connection(nsnode, dev)
62 queue = ec.register_resource("ns3::DropTailQueue")
63 ec.register_connection(dev, queue)
66 def add_csma_dev(ec, nsnode, ip, prefix):
67 dev = ec.register_resource("ns3::CsmaNetDevice")
69 ec.set(dev, "prefix", prefix)
70 ec.register_connection(nsnode, dev)
71 queue = ec.register_resource("ns3::DropTailQueue")
72 ec.register_connection(dev, queue)
75 def add_csma_chan(ec, devs):
77 chan = ec.register_resource("ns3::CsmaChannel")
78 ec.set(chan, "Delay", "0s")
81 ec.register_connection(chan, dev)
85 def add_p2p_chan(ec, dev1, dev2):
86 # Add a point to point channel
87 chan = ec.register_resource("ns3::PointToPointChannel")
88 ec.set(chan, "Delay", "0s")
89 ec.register_connection(chan, dev1)
90 ec.register_connection(chan, dev2)
93 ec = ExperimentController(exp_id = "ns3-csma-p2p-ping")
95 # Simulation will run in a remote machine
96 node = ec.register_resource("LinuxNode")
97 ec.set(node, "hostname", "localhost")
99 # Add a simulation resource
100 simu = ec.register_resource("LinuxNS3Simulation")
101 ec.set(simu, "verbose", True)
102 ec.set(simu, "enableDump", True)
103 ec.register_connection(simu, node)
105 # Add simulated nodes
106 nsnode1 = add_node(ec, simu)
107 nsnode2 = add_node(ec, simu)
108 nsnode3 = add_node(ec, simu)
109 nsnode4 = add_node(ec, simu)
110 nsnode5 = add_node(ec, simu)
111 nsnode6 = add_node(ec, simu)
112 nsnode7 = add_node(ec, simu)
113 nsnode8 = add_node(ec, simu)
115 # Build the start topology
116 dev12 = add_p2p_dev(ec, nsnode1, "10.0.1.1", "30")
117 dev21 = add_p2p_dev(ec, nsnode2, "10.0.1.2", "30")
118 p2p1 = add_p2p_chan(ec, dev12, dev21)
120 dev46 = add_p2p_dev(ec, nsnode4, "10.0.2.1", "30")
121 dev64 = add_p2p_dev(ec, nsnode6, "10.0.2.2", "30")
122 p2p2 = add_p2p_chan(ec, dev46, dev64)
124 dev37 = add_p2p_dev(ec, nsnode3, "10.0.3.1", "30")
125 dev73 = add_p2p_dev(ec, nsnode7, "10.0.3.2", "30")
126 p2p3 = add_p2p_chan(ec, dev37, dev73)
128 dev85 = add_p2p_dev(ec, nsnode5, "10.0.4.1", "30")
129 dev58 = add_p2p_dev(ec, nsnode8, "10.0.4.2", "30")
130 p2p4 = add_p2p_chan(ec, dev85, dev58)
132 dev2 = add_csma_dev(ec, nsnode2, "10.0.0.1", "24")
133 dev3 = add_csma_dev(ec, nsnode3, "10.0.0.2", "24")
134 dev4 = add_csma_dev(ec, nsnode4, "10.0.0.3", "24")
135 dev5 = add_csma_dev(ec, nsnode5, "10.0.0.4", "24")
137 csma1 = add_csma_chan(ec, [dev2, dev3, dev4, dev5])
140 # Add n2 as default gw for n1
141 r1 = ec.register_resource("ns3::Route")
142 ec.set(r1, "network", "0.0.0.0")
143 ec.set(r1, "prefix", "30")
144 ec.set(r1, "nexthop", "10.0.1.2")
145 ec.register_connection(r1, nsnode1)
147 # Add route to n8 from n2
148 r28 = ec.register_resource("ns3::Route")
149 ec.set(r28, "network", "10.0.4.0")
150 ec.set(r28, "prefix", "30")
151 ec.set(r28, "nexthop", "10.0.0.4")
152 ec.register_connection(r28, nsnode2)
154 # Add n5 as default gw for n8
155 r8 = ec.register_resource("ns3::Route")
156 ec.set(r8, "network", "0.0.0.0")
157 ec.set(r8, "prefix", "30")
158 ec.set(r8, "nexthop", "10.0.4.1")
159 ec.register_connection(r8, nsnode8)
161 # Add route to n1 from n5
162 r51 = ec.register_resource("ns3::Route")
163 ec.set(r51, "network", "10.0.1.0")
164 ec.set(r51, "prefix", "30")
165 ec.set(r51, "nexthop", "10.0.0.1")
166 ec.register_connection(r51, nsnode5)
169 ping = ec.register_resource("ns3::V4Ping")
170 ec.set (ping, "Remote", "10.0.4.2")
171 ec.set (ping, "Interval", "1s")
172 ec.set (ping, "Verbose", True)
173 ec.set (ping, "StartTime", "0s")
174 ec.set (ping, "StopTime", "20s")
175 ec.register_connection(ping, nsnode1)
179 ec.wait_finished([ping])
181 stdout = ec.trace(simu, "stdout")
185 print "PING OUTPUT", stdout