tree d2c333b7a4b123f4b14890b455ad8de6b11f95c3
parent bdcbb108ef1bd43e52da1fb1fefe19c60f6c2710
author Jonathan Hart <jono@onlab.us> 1429661400 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1429748189 +0000

Upgrade packet requests to use flow objectives API.

Addressed a few issues found while using the flow objectives across a cluster:
 * Flow objectives should be installable from any node, not just the master.
   Therefore we need to ensure all nodes initialize a driver for each switch.
 * We no longer store a list of objectives that are waiting for the switch
   to arrive. If the we don't know about the switch yet we'll try a few times
   over a few seconds to find it, but after that we'll give up and report an
   error to the client.
 * Default drivers need to be available when the FlowObjectiveManager starts
   up, otherwise it is common to get flow objective requests before any
   drivers have been loaded.

Change-Id: I1c2ea6a223232402c31e8139729e4b6251ab8b0f