floodlight/indigo — pull request #137 by rlane (2014-06-03 18:00:35+00:00)
Title: OFConnectionManager: drop more types of messages when the write buffer partially fills

Reviewer: @harshsin

Refactored to classify certain message types as "noncritical" and drop them
when reaching a high water mark.

Previously only OF_FLOW_REMOVED and OF_PACKET_IN would be dropped. This adds
OF_BSN_FLOW_IDLE, OF_BSN_ARP_IDLE, and OF_BSN_PDU_RX_TIMEOUT.