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#!/usr/bin/env python
# Copyright (c) 2013-2018. 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
import random
if len(sys.argv) != 4:
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])
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)
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)
sys.stdout.write("</platform>")
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