[zeromq-dev] Test test_pair_tcp.cpp hangs at bounce()

[Francesco]

Hi,
maybe I'm wrong but I think that ZMQ monitor socket do not work on inproc
transport...

HTH,
Francesco



2018-02-28 23:34 GMT+01:00 Manuel Segura <manuel.segura4 at gmail.com>:

> I tried to add socket monitors to check the handshake, but it hangs when
> trying to read in an event from the monitor socket in the first call to
> zmq_msg_recv(), specifically this line:
>
> if (zmq_msg_recv (&msg, monitor, 0) == -1)
>
> It appears to be the same problem with receiving when I called
> bounce() from testutils.hpp, only this time its with the inproc protocol.
>
> --Manuel
>
> On Wed, Feb 28, 2018 at 12:38 PM, Manuel Segura <manuel.segura4 at gmail.com>
> wrote:
>
>> Hi Luca,
>>
>> The test_pair_ipc.cpp test fails as well in the same place. Those are the
>> only two I've tried so far.
>>
>> I'll add socket monitors and let you know about the handshake.
>>
>> Thanks,
>>
>> Manuel
>>
>> On Wed, Feb 28, 2018 at 12:08 PM, Luca Boccassi <luca.boccassi at gmail.com>
>> wrote:
>>
>>> On Wed, 2018-02-28 at 11:40 -0800, Manuel Segura wrote:
>>> > Hello,
>>> >
>>> > I'm porting libzmq to VxWorks and the test_pair_tcp.cpp test hangs
>>> > inside
>>> > the bounce() function call, specifically the first zmq_recv() call.
>>> > I've
>>> > traced this to zmq_recv() => s_recvmsg() => s_->recv() =>
>>> > process_commands()
>>> > => mailbox->recv() => signaler.wait() => select(). It seems xrecv()
>>> > fails
>>> > and it goes into a blocking wait.
>>> >
>>> > What would be some reasons that this would hang?
>>> >
>>> > Thank you,
>>> >
>>> > Manuel
>>>
>>> Hi,
>>>
>>> Do other tests fail? Or only that one?
>>>
>>> You can try and add socket monitors to check that the handshake
>>> succeeds:
>>>
>>> https://github.com/zeromq/libzmq/blob/master/doc/zmq_socket_monitor.txt
>>>
>>> Alternatively, given it's a tcp test, you can use wireshark/tshark with
>>> the zmtp dissector to snoop on the wire:
>>>
>>> https://github.com/whitequark/zmtp-wireshark
>>>
>>> --
>>> Kind regards,
>>> Luca Boccassi
>>> _______________________________________________
>>> zeromq-dev mailing list
>>> zeromq-dev at lists.zeromq.org
>>> https://lists.zeromq.org/mailman/listinfo/zeromq-dev
>>>
>>>
>>
>
> _______________________________________________
> zeromq-dev mailing list
> zeromq-dev at lists.zeromq.org
> https://lists.zeromq.org/mailman/listinfo/zeromq-dev
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.zeromq.org/pipermail/zeromq-dev/attachments/20180301/45015978/attachment.htm>