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0164e367f5
Most users of OVSDB react to whatever is currently in their view of the database, as opposed to keeping track of changes and reacting to those changes individually. The interface to conditional monitoring was different, in that it expected the client to say what to add or remove from monitoring instead of what to monitor. This seemed reasonable at the time, but in practice it turns out that the usual approach actually works better, because the condition is generally a function of the data visible in the database. This commit changes the approach. This commit also changes the meaning of an empty condition for a table. Previously, an empty condition meant to replicate every row. Now, an empty condition means to replicate no rows. This is more convenient for code that gradually constructs conditions, because it does not need special cases for replicating nothing. This commit also changes the internal implementation of conditions from linked lists to arrays. I just couldn't see an advantage to using linked lists. Signed-off-by: Ben Pfaff <blp@ovn.org> Acked-by: Liran Schour <lirans@il.ibm.com>
Python library for working with Open vSwitch