[zeromq-dev] Does ZMQ handle tcp-RST?

[Pieter Hintjens]

Agreed, that's what he's saying. So where are the semantics of HWM=0
defined? "I want" has never been a valid problem statement in this
community.

On Tue, Dec 17, 2013 at 2:49 PM, Justin Cook <jhcook at gmail.com> wrote:
> Pieter,
>
> What he is trying to do is set HWM to 0 so it will block when a network disconnect occurs. So far, he is saying that is not happening. I asked him to provide a link to his code and specifically say what is happening and what are his expectations.
>
> He is basically saying that when a disconnect occurs and HWM is set to 0, send() still returns true. He doesn’t want that to occur.
>
> --
> Justin Cook
>
>
> On Tuesday, 17 December 2013 at 13:44, Pieter Hintjens wrote:
>
>> HWM=0 does not mean there's no buffering. The TCP buffers will accept
>> messages up to a certain size. If you try with larger messages send()
>> may behave differently with HWM=0. Also, the queuing strategy depends
>> on the socket type.
>>
>> Can you find a specification somewhere that states what should happen
>> in this case, and can you make a test case that proves the software is
>> not conforming to the specification? That is a bug. "I am trying edge
>> cases and don't understand the results" isn't a bug.
>>
>> So read the specs (there are RFCs for socket behavior, and man pages)
>> carefully and try to make minimal test cases to disprove the code.
>
>
>
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