tree b1fcf8955c38c8ab649d8e84990ae4bc16308a42
parent ce296a8063a43439ea1b72db59c4c84741a257f2
author pier <pier@opennetworking.org> 1578571804 +0100
committer pier <pier@opennetworking.org> 1582537849 +0100

Prevents the stop of the stats collection

- Uses executor in place of a timer which can become unable
to schedule futher tasks if the exceptions are not caught
- Flow stats collector will wait at most 5 flows stats interval
for a reply before to request new stats

Change-Id: Ic50efd7b8afa1f182ba32c04aa971d3ef400529e