[nanomsg] Re: Port sharing, tcpmux, web-related roadmap et c.

  • From: Bent Cardan <bent@xxxxxxxxxxxxxxxxxxxx>
  • To: "nanomsg@xxxxxxxxxxxxx" <nanomsg@xxxxxxxxxxxxx>
  • Date: Wed, 19 Nov 2014 23:47:48 -0500

I think the daemon would have to stay on!

On Wed, Nov 19, 2014 at 11:43 PM, Bent Cardan <bent@xxxxxxxxxxxxxxxxxxxx>
wrote:

> Thank you, Martin. That's great, with just a descriptor allocation, looks
> like there's nothing incurred after the connection. Could we even stop the
> daemon after the connection is established, or would that process need to
> continue during normal transport? -Bent
>
> On Wed, Nov 19, 2014 at 11:30 PM, Martin Sustrik <sustrik@xxxxxxxxxx>
> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
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>> Hi Bent,
>>
>>
>> > What sort of I/O model, blocking or async (I would imagine
>> > implementing select and poll) presents the lowest average cost for
>> > binding communication between the tcpmux daemon and its
>> > corresponding recv function in nanomsg?
>> >
>> > Would the tcpmux daemon issue some sort of signal or call to
>> > nn_recv?
>>
>> First of all, tcpmux daemon is involved only in the connection
>> establishment phase. After that it hands the connection to the
>> application and gets out of the way. Therefore, performance-wise,
>> tcpmux is equivalent to simple tcp transport.
>>
>> If you want to look at the code, the connection hand-over is done here:
>>
>> https://github.com/nanomsg/nanomsg/blob/tcpmux/src/devices/tcpmuxd.c#L282
>>
>> Martin
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>>
>

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