Commit e9ebf991 authored by Committed by Olivier CrêteBrowse files
stun: Add a fast version of stun_message_validate_buffer_length()
stun_message_validate_buffer_length() is already fast, but requires the entire message to be in a single monolithic buffer. For introducing vectored I/O, this becomes impossible to guarantee. Rather than rewriting the STUN code to natively support vectors of buffers (which would be a huge undertaking, and would probably slow the code down considerably), implement a fast check of whether a message is likely to be a STUN packet which *does* support vectored I/O. This can then be used to determine whether to compact the vector of buffers to a single monolithic one in order to validate the message more thoroughly.
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