tree 7cb446713da51e5ca35a0ba8bdb54a486eb69f04
parent ed478dc4bdcf9c28cebdd7d621635563fd35bd12
author Charles Chan <rascov@gmail.com> 1534181523 -0700
committer Charles Chan <charles@opennetworking.org> 1534230241 +0000

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