[zeromq-dev] zmq::mtrie_t::rm_helper(..)

[Pau]

My problem is that, in the environment I have, it takes hours to happen. 
Actually I have guessed it is a ZMQ_UNSUBSCRIBE out of the code but I am 
not even sure about it as I could not identify who may be sending it...

I can remove the assert surely..

I can change PUB/SUB to XPUB/XSUB if you think this may fix something, 
but again it will take me 2 days to see if it worked...


Pau


El 22/03/2013 18:07, Pieter Hintjens escribió:
> I just tried sending multiple unsubscribes to an XSUB socket, it's
> doesn't crash the XPUB socket.
>
> Not that the code may still be wrong here. I'd try removing the
> assert, to start with. We'd still need to reproduce this to be sure.
>
> -Pieter
>
> On Fri, Mar 22, 2013 at 5:57 PM, Pau <pau at teleopsia.com> wrote:
>> All this thread was a mistake, sorry about that.
>>
>> What is actually happening in my application is that receiving an
>> ZMQ_UNSUBSCRIBE in a socket that perhaps never received the
>> corresponding ZMQ_SUBSCRIBE a zmq_assert is triggered.
>>
>> [mtrie.cpp]
>> bool zmq::mtrie_t::rm_helper (unsigned char *prefix_, size_t size_,
>>       pipe_t *pipe_)
>> {
>>       if (!size_) {
>>           if (pipes) {
>>               pipes_t::size_type erased = pipes->erase (pipe_);
>>               zmq_assert (erased == 1); <============================
>>               if (pipes->empty ()) {
>>                   delete pipes;
>>                   pipes = 0;
>>               }
>>           }
>>           return !pipes;
>>       }
>>
>>
>> I have several applications publishing and several subscribing, both
>> cases use one socket so when subscriber subscribes it is connected to
>> various publishers and when unsubscribes also. I use PUB/SUB.
>> Is there any limitation?
>>
>> I am facing some stress on that, so if someone has a clue about what
>> generates the assert or what I am missing I would highly appreciate.
>>
>> Thanks.
>>
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