Hi all,
I am developing a flow monitoring app using FlowStatsRequest/Reply. However,
when the number of flows on switch exceed 682, the switch start breaking the
data into MULTIPART_REPLY message and send back to the controller as a sequence
of FlowStatsReply with the same msg.xid and the OFPMPF_REPLY_MORE flag set to 1
(except the last one). My question is how can I reassemble these FlowStatsReply
messages into a single one so I can process it as a normal FlowStatsMessage. I
already read this implementation in ‘ofctl_rest.py’
(https://github.com/osrg/ryu/blob/master/ryu/app/ofctl_rest.py#L749) but could
not understand it.
In addition, in case of some FlowStatsReply messages in a sequence are lost or
the last message in the MULTIPART_REPLY message never arrive to controller, how
can I detect it and handle it properly.
Any help would be really appreciated.
Kind regards,
Quoc Khanh
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