tree 33f606e8aa20bdb163c9b0084b53e8718edd1ff0
parent 1c9a0b4efe1f990cbbdb5d08590cd3510ce6e2c5
author Charles Chan <rascov@gmail.com> 1534181523 -0700
committer Charles Chan <rascov@gmail.com> 1534226452 -0700

Fix an NPE that happens when DHCP server is not discovered yet

Also address the following issues:
- HOST_MOVED can include both movement and IP update. We should update server info when we see a HOST_MOVED event.
- Over 2k lines in this class
- Fix typo in extractClientId method name

Change-Id: I238027e650fb6b15c29b363caa09539170bdd3a4