Adding examples/linux/ns3/csma_p2p_star.py

diff --git a/examples/linux/ns3/csma_p2p_star.py b/examples/linux/ns3/csma_p2p_star.py
new file mode 100644 (file)
index 0000000..9626a44
--- /dev/null
+++ b/examples/linux/ns3/csma_p2p_star.py
@@ -0,0 +1,185 @@
+#!/usr/bin/env python
+#
+#    NEPI, a framework to manage network experiments
+#    Copyright (C) 2013 INRIA
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+""" 
+network topology:
+  
+                        
+                        n6
+                        |
+                       p2p
+                        |
+                        n4
+                        |
+   n1 -- p2p -- n2 -- csma -- n5 -- p2p -- n8
+                        | 
+                        n3
+                        |
+                        p2p
+                        |
+                        n7
+
+"""
+
+from nepi.execution.ec import ExperimentController 
+
+def add_node(ec, simu):
+    ## Add a ns-3 node with its protocol stack
+    nsnode = ec.register_resource("ns3::Node")
+    ec.register_connection(nsnode, simu)
+
+    ipv4 = ec.register_resource("ns3::Ipv4L3Protocol")
+    ec.register_connection(nsnode, ipv4)
+    arp = ec.register_resource("ns3::ArpL3Protocol")
+    ec.register_connection(nsnode, arp)
+    icmp = ec.register_resource("ns3::Icmpv4L4Protocol")
+    ec.register_connection(nsnode, icmp)
+    return nsnode
+
+def add_p2p_dev(ec, nsnode, ip, prefix):
+    # Add a point to point net device to the node
+    dev = ec.register_resource("ns3::PointToPointNetDevice")
+    ec.set(dev, "ip", ip)
+    ec.set(dev, "prefix", prefix)
+    ec.register_connection(nsnode, dev)
+    queue = ec.register_resource("ns3::DropTailQueue")
+    ec.register_connection(dev, queue)
+    return dev
+
+def add_csma_dev(ec, nsnode, ip, prefix):
+    dev = ec.register_resource("ns3::CsmaNetDevice")
+    ec.set(dev, "ip", ip)
+    ec.set(dev, "prefix", prefix)
+    ec.register_connection(nsnode, dev)
+    queue = ec.register_resource("ns3::DropTailQueue")
+    ec.register_connection(dev, queue)
+    return dev
+
+def add_csma_chan(ec, devs):
+    # Create channel
+    chan = ec.register_resource("ns3::CsmaChannel")
+    ec.set(chan, "Delay", "0s")
+
+    for dev in devs:
+        ec.register_connection(chan, dev)
+
+    return chan
+
+def add_p2p_chan(ec, dev1, dev2):
+    # Add a point to point channel
+    chan = ec.register_resource("ns3::PointToPointChannel")
+    ec.set(chan, "Delay", "0s")
+    ec.register_connection(chan, dev1)
+    ec.register_connection(chan, dev2)
+    return chan
+
+ec = ExperimentController(exp_id = "ns3-csma-p2p-ping")
+
+# Simulation will run in a remote machine
+node = ec.register_resource("LinuxNode")
+ec.set(node, "hostname", "localhost")
+
+# Add a simulation resource
+simu = ec.register_resource("LinuxNS3Simulation")
+ec.set(simu, "verbose", True)
+ec.set(simu, "enableDump", True)
+ec.register_connection(simu, node)
+
+# Add simulated nodes
+nsnode1 = add_node(ec, simu)
+nsnode2 = add_node(ec, simu)
+nsnode3 = add_node(ec, simu)
+nsnode4 = add_node(ec, simu)
+nsnode5 = add_node(ec, simu)
+nsnode6 = add_node(ec, simu)
+nsnode7 = add_node(ec, simu)
+nsnode8 = add_node(ec, simu)
+
+# Build the start topology
+dev12 = add_p2p_dev(ec, nsnode1, "10.0.1.1", "30") 
+dev21 = add_p2p_dev(ec, nsnode2, "10.0.1.2", "30") 
+p2p1 = add_p2p_chan(ec, dev12, dev21)
+
+dev46 = add_p2p_dev(ec, nsnode4, "10.0.2.1", "30") 
+dev64 = add_p2p_dev(ec, nsnode6, "10.0.2.2", "30") 
+p2p2 = add_p2p_chan(ec, dev46, dev64)
+
+dev37 = add_p2p_dev(ec, nsnode3, "10.0.3.1", "30") 
+dev73 = add_p2p_dev(ec, nsnode7, "10.0.3.2", "30") 
+p2p3 = add_p2p_chan(ec, dev37, dev73)
+
+dev85 = add_p2p_dev(ec, nsnode5, "10.0.4.1", "30") 
+dev58 = add_p2p_dev(ec, nsnode8, "10.0.4.2", "30") 
+p2p4 = add_p2p_chan(ec, dev85, dev58)
+
+dev2 = add_csma_dev(ec, nsnode2, "10.0.0.1", "24")
+dev3 = add_csma_dev(ec, nsnode3, "10.0.0.2", "24")
+dev4 = add_csma_dev(ec, nsnode4, "10.0.0.3", "24")
+dev5 = add_csma_dev(ec, nsnode5, "10.0.0.4", "24")
+
+csma1 = add_csma_chan(ec, [dev2, dev3, dev4, dev5])
+
+## Add routes
+# Add n2 as default gw for n1
+r1 = ec.register_resource("ns3::Route")
+ec.set(r1, "network", "0.0.0.0")
+ec.set(r1, "prefix", "30")
+ec.set(r1, "nexthop", "10.0.1.2")
+ec.register_connection(r1, nsnode1)
+
+# Add route to n8 from n2
+r28 = ec.register_resource("ns3::Route")
+ec.set(r28, "network", "10.0.4.0")
+ec.set(r28, "prefix", "30")
+ec.set(r28, "nexthop", "10.0.0.4")
+ec.register_connection(r28, nsnode2)
+
+# Add n5 as default gw for n8
+r8 = ec.register_resource("ns3::Route")
+ec.set(r8, "network", "0.0.0.0")
+ec.set(r8, "prefix", "30")
+ec.set(r8, "nexthop", "10.0.4.1")
+ec.register_connection(r8, nsnode8)
+
+# Add route to n1 from n5
+r51 = ec.register_resource("ns3::Route")
+ec.set(r51, "network", "10.0.1.0")
+ec.set(r51, "prefix", "30")
+ec.set(r51, "nexthop", "10.0.0.1")
+ec.register_connection(r51, nsnode5)
+
+### create pinger
+ping = ec.register_resource("ns3::V4Ping")
+ec.set (ping, "Remote", "10.0.4.2")
+ec.set (ping, "Interval", "1s")
+ec.set (ping, "Verbose", True)
+ec.set (ping, "StartTime", "0s")
+ec.set (ping, "StopTime", "20s")
+ec.register_connection(ping, nsnode1)
+
+ec.deploy()
+
+ec.wait_finished([ping])
+
+stdout = ec.trace(simu, "stdout") 
+
+ec.shutdown()
+
+print "PING OUTPUT", stdout