Added a new script that queries specified web server

It queries the web server in preconfigured intervals with exponential distribution. It sends POST
requests with current time.

Author: polcak

exporequests.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import argparse
+import http.client as httplib
+import random
+import sys
+import time
+
+def parse_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("host",
+            help = "Address of the remote host running the web server to be contacted")
+    parser.add_argument("-p", "--port", help="Port of the web server",
+                    type=int, default=80)
+    parser.add_argument("-s", "--sleep",
+            help="The mean time in minutes to sleep between connections",
+            type=float, default=10.0)
+    parser.add_argument("-u", "--url",
+            help="Relative URL to be requested on the server",
+            default="/pcf/timestamp46.html")
+    args = parser.parse_args()
+    return args
+
+if __name__ == "__main__":
+    args = parse_args()
+    addr = args.host
+    port = args.port
+    lambdaexp = 1.0 / args.sleep
+    url = args.url
+    print(addr, port, lambdaexp, url)
+    while True:
+        http = httplib.HTTPConnection(addr, port)
+        http.request("POST",
+            url,
+            body=str(time.time()))
+        sleeptime = random.expovariate(lambdaexp) * 60
+        time.sleep(sleeptime)