[ovs-dev] [ovs-discuss] [ACLv2 04/19] ofproto: Add ofproto_has_matching_flow function.

Jesse Gross jesse at nicira.com
Fri Sep 4 21:24:39 UTC 2009

Ben Pfaff wrote:
> Jesse Gross <jesse at nicira.com> writes:
>> Checks whether one or more currently installed OpenFlow flows
>> match the given flow and wildcards.
> I don't see anything wrong here, but man! it is expensive to
> iterate through all the flows to see whether there is a match.  I
> hope that this is not going to be done too often.

I realized that this wasn't strictly necessary, so I eliminated this 
commit.  I now record events that could change the result and use that 
cached value.

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