[nanomsg] Re: ZMQ_ROUTER like functionality
- From: Paul Colomiets <paul@xxxxxxxxxxxxxx>
- To: "nanomsg@xxxxxxxxxxxxx" <nanomsg@xxxxxxxxxxxxx>
- Date: Thu, 18 Sep 2014 22:26:26 +0300
Hi Alex,
On Thu, Sep 18, 2014 at 9:30 PM, Alex Elsayed <eternaleye@xxxxxxxxx> wrote:
> Note that the timeout is (in a sense) an artifact of the API, not the
> protocol. In particular, I'm tossing around a design for a pure-Rust
> implementation (like mangos was for go), which creates individual exchanges
> from AF_SP_RAW objects.
> i.e. you have a SURVEYOR object, you call .ask(query) on it, and this
> returns a Survey. The Survey has a .iter() method, allowing you to iterate
> over responses (lazy lists!) as they arrive, and signaling end-of-list at
> the timeout.
>
Hm, by coincidence I'm coding pure-Rust implementation too :) Is your
implementation public?
> This makes it trivial for a caller to act on the first response, and not
> wait for the timeout.
>
It's easy to act on the first response. But timeout is essential to
handle failures (when no reply received).
>> IIRC, our discussion with Martin have come to conclusion that it's
>> possible to make subscriptions good enough for the pattern without
>> additional semantics. I can recall details if somebody would try to
>> implement it.
>
> Well, I'm going to be writing a mail about a generic subscription scheme, so
> your details would be nice to see.
>
Okay, I'll follow up soon.
--
Paul
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