Don't run as a general user (#5 fixed)

comm/client/main.py

@@ -106,6 +106,11 @@ def before_request():
 
 if __name__ == "__main__":
 
+    # Check if this script runs as "root" user
+    if os.getuid() != 0:
+        raise Exception("Must run as root")
+        sys.exit(1)
+
     parser = argparse.ArgumentParser(description="PYNQ client.")
     parser.add_argument("-p", "--port", action="store", type=int, default=5000, help="Port")
     parser.add_argument("-H", "--host", action="store", type=str, default="192.168.4.1:5000", help="Host address")