create an app package

[simgrid.git] / examples / java / app / bittorrent / generate.py

diff --git a/examples/java/app/bittorrent/generate.py b/examples/java/app/bittorrent/generate.py
new file mode 100755 (executable)
index 0000000..d416c5f
--- /dev/null
+++ b/examples/java/app/bittorrent/generate.py
@@ -0,0 +1,49 @@
+#!/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
+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>")