Added project2 framework

1 files changed, 28 insertions, 0 deletions

diff --git a/project2/proj2_s4498062/dns_server.py b/project2/proj2_s4498062/dns_server.py
new file mode 100644
index 0000000..f1d4b09
--- /dev/null
+++ b/project2/proj2_s4498062/dns_server.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python2

+

+""" DNS server

+

+This script contains the code for starting a DNS server.

+"""

+

+import dns.server

+

+if __name__ == "__main__":

+    # Parse arguments

+    import argparse

+    parser = argparse.ArgumentParser(description="DNS Server")

+    parser.add_argument("-c", "--caching", action="store_true",

+            help="Enable caching")

+    parser.add_argument("-t", "--ttl", metavar="time", type=int, default=0, 

+            help="TTL value of cached entries (if > 0)")

+    parser.add_argument("-p", "--port", type=int, default=5353,

+            help="Port which server listens on")

+    args = parser.parse_args()

+

+    # Start server

+    server = dns.server.Server(args.port, args.caching, args.ttl)

+    try:

+        server.serve()

+    except KeyboardInterrupt:

+        server.shutdown()

+        print()