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authorVratko Polak <vrpolak@cisco.com>2019-10-07 14:52:53 +0200
committerOle Trøan <otroan@employees.org>2019-10-09 09:23:50 +0000
commit6a6af6ea1a77b5818e717047b5d01251ef6d024a (patch)
tree0c6ffcd373601626dae4c0144467a9fb38f09f40 /src/vnet/interface.c
parent0938547eaaf5440de28877fa4f873c21bcb8cfbf (diff)
api: comment, simplify and fix api socket read
The function vl_socket_read_ready did contain some comments already, but as they stated, the logic has to be tricky to cover multiple cases. Comment: + Add function-level comment + Add comments to describe some of local variables + Add many comments to describe internal state at particular lines. Simplify: + Remov mbp_set as it is never needed. + Replace msg_len with msgbuf_len to save "+ sizeof (msgbuf_t)". Improve: + Early exit on EAGAIN. Fix: + "n" now only tracks input_buffer. Previously, it was entering the detection of additional messages even for unprocessed_input. + Set up msg_buffer (including appending to unprocessed_input) outside full-message-detection loop now, so it cannot be executed multiple times as before. Type: fix Ticket: VPP-1785 Change-Id: I256e34b435be06844458744a13ea37a0e86a96f9 Signed-off-by: Vratko Polak <vrpolak@cisco.com>
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