Chord: add a large deployment file and a script to generate it

[simgrid.git] / examples / msg / chord / generate.py

diff --git a/examples/msg/chord/generate.py b/examples/msg/chord/generate.py
new file mode 100755 (executable)
index 0000000..79ca3d8
--- /dev/null
+++ b/examples/msg/chord/generate.py
@@ -0,0 +1,38 @@
+#!/usr/bin/python
+
+import sys, random
+
+if len(sys.argv) != 4:
+       print("Usage: python generate.py nb_nodes nb_bits end_date > deployment_file.xml")
+       sys.exit(1)
+
+nb_nodes = int(sys.argv[1])
+nb_bits = int(sys.argv[2])
+end_date = int(sys.argv[3])
+
+max_id = 2 ** nb_bits - 1
+all_ids = [42]
+
+sys.stdout.write("<?xml version='1.0'?>\n"
+"<!DOCTYPE platform SYSTEM \"simgrid.dtd\">\n"
+"<platform version=\"3\">\n"
+"  <process host=\"c-0.me\" function=\"node\">\n"
+"    <argument value=\"42\"/>\n"
+"    <argument value=\"10000\"/>\n"
+"  </process>\n")
+
+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
+
+       known_id = all_ids[random.randint(0, len(all_ids) - 1)]
+       start_date = i * 10
+       line = "  <process host=\"c-%d.me\" function=\"node\"><argument value=\"%d\" /><argument value=\"%d\" /><argument value=\"%d\" /><argument value=\"%d\" /></process>\n" % (i, my_id, known_id, start_date, end_date)
+       sys.stdout.write(line)
+       all_ids.append(my_id)
+
+sys.stdout.write("</platform>")
+