tree 3137ccc5748a6c5a790eabc3d7aa843bfabbc7f5
parent ea9eb946c0a77ec47e4597a1b4e11203964c4234
author Vitaly Buka <vitalybuka@chromium.org> 1435115496 -0700
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1435198306 +0000

buffet: XmppChannel listens for connectivity changes

ShillClent provides notifications for network changes.
XmppChannel issue XMPP ping on every network change and restart if
failed. Only exception is soon scheduled upcoming reconnect.

BUG=brillo:1139
TEST=register device, disconnect network, wait device is offline in
     GCD dashboard, connect network.
     Dashboard should show device as online in less then 60 seconds.

Change-Id: I73dffc54400777b2325c26fb8aaf259b515174ce
Reviewed-on: https://chromium-review.googlesource.com/281413
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>