--- /dev/null
+#!/usr/bin/env python
+
+###############################################################################
+#
+# NEPI, a framework to manage network experiments
+#
+# 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>
+#
+###############################################################################
+
+from nepi.execution.ec import ExperimentController
+from nepi.execution.runner import ExperimentRunner
+from nepi.util.netgraph import NetGraph, TopologyType
+import nepi.data.processing.ccn.parser as ccn_parser
+
+import networkx
+import socket
+import os
+
+PL_NODES = dict({
+ "0": "iraplab1.iralab.uni-karlsruhe.de",
+ "1": "planetlab1.informatik.uni-goettingen.de",
+ "2": "dfn-ple1.x-win.dfn.de",
+ "3": "mars.planetlab.haw-hamburg.de",
+ "4": "planetlab2.unineuchatel.ch",
+ "5": "planetlab-node3.it-sudparis.eu",
+ "6": "planetlab2.extern.kuleuven.be",
+ "7": "node2pl.planet-lab.telecom-lille1.eu",
+ "8": "planetvs2.informatik.uni-stuttgart.de",
+ "9": "planetlab1.informatik.uni-wuerzburg.de",
+ "10": "planet1.l3s.uni-hannover.de",
+ "11": "planetlab1.wiwi.hu-berlin.de",
+ "12": "pl2.uni-rostock.de",
+ "13": "planetlab1.u-strasbg.fr",
+ "14": "peeramidion.irisa.fr"
+ })
+
+pl_slice = os.environ.get("PL_SLICE")
+pl_user = os.environ.get("PL_USER")
+pl_password = os.environ.get("PL_PASS")
+pl_ssh_key = os.environ.get("PL_SSHKEY")
+
+content_name = "ccnx:/test/bunny.ts"
+
+pipeline = 4 # Default value for ccncat
+
+operating_system = "f14"
+
+country = "germany"
+
+repofile = os.path.join(
+ os.path.dirname(os.path.realpath(__file__)), "repoFile1.0.8.2")
+
+def add_collector(ec, trace_name, subdir, newname = None):
+ collector = ec.register_resource("Collector")
+ ec.set(collector, "traceName", trace_name)
+ ec.set(collector, "subDir", subdir)
+ if newname:
+ ec.set(collector, "rename", newname)
+
+ return collector
+
+def add_pl_host(ec, nid):
+ hostname = PL_NODES[nid]
+
+ # Add a planetlab host to the experiment description
+ host = ec.register_resource("PlanetlabNode")
+ ec.set(host, "hostname", hostname)
+ ec.set(host, "username", pl_slice)
+ ec.set(host, "identity", pl_ssh_key)
+ #ec.set(host, "pluser", pl_user)
+ #ec.set(host, "plpassword", pl_password)
+ #ec.set(host, "country", country)
+ #ec.set(host, "operatingSystem", operating_system)
+ ec.set(host, "cleanExperiment", True)
+ ec.set(host, "cleanProcesses", True)
+
+ # Annotate the graph
+ ec.netgraph.annotate_node(nid, "hostname", hostname)
+ ec.netgraph.annotate_node(nid, "host", host)
+
+ # Annotate the graph node with an ip address
+ ip = socket.gethostbyname(hostname)
+ ec.netgraph.annotate_node_ip(nid, ip)
+
+def add_pl_ccnd(ec, nid):
+ # Retrieve annotation from netgraph
+ host = ec.netgraph.node_annotation(nid, "host")
+
+ # Add a CCN daemon to the planetlab node
+ ccnd = ec.register_resource("LinuxCCND")
+ ec.set(ccnd, "debug", 7)
+ ec.register_connection(ccnd, host)
+
+ # Collector to retrieve ccnd log
+ collector = add_collector(ec, "stderr", nid, "log")
+ ec.register_connection(collector, ccnd)
+
+ # Annotate the graph
+ ec.netgraph.annotate_node(nid, "ccnd", ccnd)
+
+def add_pl_ccnr(ec, nid):
+ # Retrieve annotation from netgraph
+ ccnd = ec.netgraph.node_annotation(nid, "ccnd")
+
+ # Add a CCN content repository to the planetlab node
+ ccnr = ec.register_resource("LinuxCCNR")
+
+ ec.set(ccnr, "repoFile1", repofile)
+ ec.register_connection(ccnr, ccnd)
+
+def add_pl_ccncat(ec, nid):
+ # Retrieve annotation from netgraph
+ ccnd = ec.netgraph.node_annotation(nid, "ccnd")
+
+ # Add a CCN cat application to the planetlab node
+ ccncat = ec.register_resource("LinuxCCNCat")
+ ec.set(ccncat, "pipeline", pipeline)
+ ec.set(ccncat, "contentName", content_name)
+ ec.register_connection(ccncat, ccnd)
+
+def add_pl_fib_entry(ec, nid1, nid2):
+ # Retrieve annotations from netgraph
+ ccnd1 = ec.netgraph.node_annotation(nid1, "ccnd")
+ hostname2 = ec.netgraph.node_annotation(nid2, "hostname")
+
+ # Add a FIB entry between one planetlab node and its peer
+ entry = ec.register_resource("LinuxFIBEntry")
+ ec.set(entry, "host", hostname2)
+ ec.register_connection(entry, ccnd1)
+
+ # Collector to retrieve peering ping output (to measure neighbors delay)
+ ec.enable_trace(entry, "ping")
+ collector = add_collector(ec, "ping", nid1)
+ ec.register_connection(collector, entry)
+
+ return entry
+
+def avg_interests(ec, run):
+ ## Process logs
+ logs_dir = ec.run_dir
+
+ (graph,
+ content_names,
+ interest_expiry_count,
+ interest_dupnonce_count,
+ interest_count,
+ content_count) = ccn_parser.process_content_history_logs(
+ logs_dir,
+ ec.netgraph.topology)
+
+ shortest_path = networkx.shortest_path(graph,
+ source = ec.netgraph.sources()[0],
+ target = ec.netgraph.targets()[0])
+
+ ### Compute metric: Avg number of Interests seen per content name
+ ### normalized by the number of nodes in the shortest path
+ content_name_count = len(content_names.values())
+ nodes_in_shortest_path = len(shortest_path) - 1
+ metric = interest_count / (float(content_name_count) * float(nodes_in_shortest_path))
+
+ # TODO: DUMP RESULTS TO FILE
+ # TODO: DUMP GRAPH DELAYS!
+ f = open("/tmp/metric", "w+")
+ f.write("%.2f\n" % metric)
+ f.close()
+ print " METRIC", metric
+
+ return metric
+
+def add_pl_edge(ec, nid1, nid2):
+ #### Add connections between CCN nodes
+ add_pl_fib_entry(ec, nid1, nid2)
+ add_pl_fib_entry(ec, nid2, nid1)
+
+def add_pl_node(ec, nid):
+ ### Add CCN nodes (ec.netgraph holds the topology graph)
+ add_pl_host(ec, nid)
+ add_pl_ccnd(ec, nid)
+
+ if nid == ec.netgraph.targets()[0]:
+ add_pl_ccnr(ec, nid)
+
+ if nid == ec.netgraph.sources()[0]:
+ add_pl_ccncat(ec, nid)
+
+if __name__ == '__main__':
+
+ #### Create NEPI Experiment Description with LINEAR topology
+ ec = ExperimentController("pl_ccn",
+ topo_type = TopologyType.LINEAR,
+ node_count = 4,
+ #assign_ips = True,
+ assign_st = True,
+ add_node_callback = add_pl_node,
+ add_edge_callback = add_pl_edge)
+
+ print "Results stored at", ec.exp_dir
+
+ #### Retrieve the content producing resource to wait for ot to finish
+ ccncat = ec.filter_resources("LinuxCCNCat")
+
+ #### Run experiment until metric convergences
+ rnr = ExperimentRunner()
+ runs = rnr.run(ec, min_runs = 10, max_runs = 300,
+ compute_metric_callback = avg_interests,
+ wait_guids = ccncat,
+ wait_time = 0)
+
git://git.onelab.eu / nepi.git / blobdiff