-#!/usr/bin/python
+#!/usr/bin/env python
+
+# Copyright (c) 2013-2014. The SimGrid Team.
+# All rights reserved.
+
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the license (GNU LGPL) which comes with this package.
# This script generates a specific deployment file for the Bittorrent example.
# It assumes that the platform will be a cluster.
# Usage: python generate.py nb_nodes nb_bits end_date percentage
# Example: python generate.py 10000 5000
-import sys, random
+import sys
+import random
if len(sys.argv) != 4:
- print("Usage: python generate.py nb_nodes end_date seed_percentage > deployment_file.xml")
- sys.exit(1)
+ print(
+ "Usage: python generate.py nb_nodes end_date seed_percentage > deployment_file.xml")
+ sys.exit(1)
nb_nodes = int(sys.argv[1])
end_date = int(sys.argv[2])
-seed_percentage = int(sys.argv[3]);
+seed_percentage = int(sys.argv[3])
nb_bits = 24
max_id = 2 ** nb_bits - 1
all_ids = [42]
sys.stdout.write("<?xml version='1.0'?>\n"
-"<!DOCTYPE platform SYSTEM \"http://simgrid.gforge.inria.fr/simgrid.dtd\">\n"
-"<platform version=\"3\">\n"
-" <process host=\"c-0.me\" function=\"bittorrent.Tracker\"><argument value=\"%d\"/></process>\n" % end_date)
+ "<!DOCTYPE platform SYSTEM \"http://simgrid.gforge.inria.fr/simgrid.dtd\">\n"
+ "<platform version=\"3\">\n"
+ " <process host=\"c-0.me\" function=\"bittorrent.Tracker\"><argument value=\"%d\"/></process>\n" % end_date)
for i in range(1, nb_nodes):
- ok = False
- while not ok:
- my_id = random.randint(0, max_id)
- ok = not my_id in all_ids
- start_date = i * 10
- line = " <process host=\"c-%d.me\" function=\"bittorrent.Peer\"><argument value=\"%d\" /><argument value=\"%d\" />" % (i, my_id, end_date)
- if random.randint(0,100) < seed_percentage:
- line += "<argument value=\"1\" />"
- line += "</process>\n";
- sys.stdout.write(line)
- all_ids.append(my_id)
+ ok = False
+ while not ok:
+ my_id = random.randint(0, max_id)
+ ok = not my_id in all_ids
+ start_date = i * 10
+ line = " <process host=\"c-%d.me\" function=\"bittorrent.Peer\"><argument value=\"%d\" /><argument value=\"%d\" />" % (
+ i, my_id, end_date)
+ if random.randint(0, 100) < seed_percentage:
+ line += "<argument value=\"1\" />"
+ line += "</process>\n"
+ sys.stdout.write(line)
+ all_ids.append(my_id)
sys.stdout.write("</platform>")
-