[erlang-questions] tcp data in a gen_fsm

[Benoit Chesneau]

isn't the ssl module using a gen_fsm?
On Mon, 30 Nov 2015 at 08:41, Frans Schneider <schneider@REDACTED> wrote:

> For me, implementing the protocol as a gen_fsm feels very natural. Since
> the unpacking of my data involves splitting the raw data stream in
> proper chunks, conditionally decrypting these chunks with a stream
> cypher and lastly decoding them into stanzas according to some mutilated
> protocol scheme, I think I will use a stack of processes, each specific
> for the task at hand. Having modules / processes dealing with one
> particular task feels rather good.
>
> Thanks for all the input, which is a great help to me.
>
> /Frans
>
> On 11/30/2015 08:12 AM, Max Lapshin wrote:
> > We have fully refused from using gen_fsm and especially in handling
> > protocol states in gen_fsm.
> >
> > Everywhere we use something like:
> >
> > handle_info({tcp, Socket, Input},  #state{protocol_state = S0} = State)
> ->
> >    {ok, OutputCommands, S1} = some_protocol:handle(Input, S0),
> >    ..handle somehow OutputCommands
> >   inet:setopts(Socket, [{active,once}]),
> >   {noreply, State#state{protocol_state = S1}}.
> >
> >
> > Such approach allows to record Input to file and write a test for
> > output commands. Also it allows more easily handle situation when
> > there is more than 1 command in Input packet.
> >
> >
>
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