Hi,
I've been porting my "pure" Common Lisp MQTT client to Picolisp, and it has
gone very well for non-SSL connections (I just used "connect"), but I am
looking for a canonical way to connect to a SSL/TLS encrypted socket (no certs
needed, I just need basic encryption).
I've been using pipe and an external "helper" (ncat in this case but socat
would be similar):
(de mq-open (Host Port SSL)
(if SSL
(pipe
(exec "ncat" "--ssl" Host Port))
(connect Host Port)))
Is this a good approach? Using the FFI to call openssl library is more
efficient, but I didn't want to go that path yet...
Once concern I have with the above code is dealing with when a connection is
dropped.
My MQTT implementation currently has no "outside" dependencies (with the above
exception) and I'd like to keep it as independent as possible.
Am I missing an obviously better approach?
/todd
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