Function internetConnected() returns True or False

Simple function to quickly check, are we connected to the internet.  Returns true or false. Needed to solve bug where hangs forever on resume from suspend or sleep, due to no longer connected to internet, or IP address change.

contrib/internetConnected.py

@@ -0,0 +1,19 @@
+
+import socket
+def internetConnected(host="8.8.8.8", port=53, timeout=3):
+   """
+   Simple function to quickly check, are we connected to the internet.
+   Needed to detect when waking up from sleep or returning from suspend.
+   Network can take a few seconds to reconnect. Sometimes longer.
+   Default connect to host: 8.8.8.8 (google-public-dns-a.google.com)
+   OpenPort: 53/tcp
+   Service: domain (DNS/TCP)
+   Average time to check is less than 0.2 second (200 ms).
+   """
+   try:
+     socket.setdefaulttimeout(timeout)
+     socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((host, port))
+     return True
+   except Exception as ex:
+     print ex.message
+     return False