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Some openflow or dpif flows encode their arguments in lists, eg:
"some_action(arg1,arg2,arg3)". In order to decode this in a way that can
be then stored and queried, add ListParser and ListDecoders classes
that parse lists into KeyValue instances.
The ListParser / ListDecoders mechanism is quite similar to KVParser and
KVDecoders. Since the "key" of the different KeyValue objects is now
ommited, it has to be provided by ListDecoders.
For example, take the openflow action "resubmit" that can be written as:
resubmit([port],[table][,ct])
Can be decoded by creating a ListDecoders instance such as:
ListDecoders([
("port", decode_default),
("table", decode_int),
("ct", decode_flag),
])
Naturally, the order of the decoders must be kept.
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Python library for working with Open vSwitch