[zeromq-dev] Assertion during zmq_recv in 3.x

[Stuart Brandt]

Checked out OK, so I closed it. Thanks for the quick response.

On 07/31/2012 03:26 PM, Martin Hurton wrote:
> Fixed in 9fab9937e516e78e6dbdf890e34f56cf80c9ff14. Can you check and
> close the issue if it fixes your problem.
>
> On Tue, Jul 31, 2012 at 5:48 PM, Stuart Brandt<stu at compuserve.com>  wrote:
>> Done. LIBZMQ-406
>>
>> Thanks for confirmation.  Let me know if there's any additional context
>> needed.
>>
>> - Stuart
>>
>> On 7/31/2012 6:04 AM, Martin Hurton wrote:
>>> Hi Stuart, could you please file an issue for this?
>>>
>>> - Martin
>>>
>>> On Fri, Jul 27, 2012 at 9:23 PM, Stuart Brandt<stu at compuserve.com>  wrote:
>>>> I get an assertion during a call to zmq_recv on 2 different OSes (OSX
>>>> 10.7.4 and CentOS 5.8) under two different builds of 3.x (v3.2.0-rc1 and
>>>> a recent build off latest at github.com/zeromq/libzmq).
>>>>
>>>> The assertion is:
>>>> Assertion failed: (msg_->flags ()&  msg_t::identity) == 0 (router.cpp:220)
>>>> Aborted
>>>>
>>>> The setup involves:
>>>> 1) the simple message queue broker found at
>>>> https://github.com/imatix/zguide/blob/master/examples/C/msgqueue.c
>>>> I modified the #include to look for zmq.h rather than zhelpers.h to get
>>>> it to compile with ZMQ 3.x
>>>>
>>>> 2) a minimal server implementation that connects to the broker and does
>>>> a zmq_recv. Code is:
>>>> //
>>>> //  Demo of assertion in ZMQ 3.x by REP socket connecting to ROUTER socket
>>>> //  Connects to tcp://localhost:5560
>>>> //
>>>> #include<stdio.h>
>>>> #include<zmq.h>
>>>>
>>>> int main (void)
>>>> {
>>>>        char buf[80];   // buffer for zmq_recv call
>>>>        int len;        // len returned by zmq_recv
>>>>        void *ctx;      // ZMQ context
>>>>        void *sock;     // ZMQ socket
>>>>
>>>>        // init ZMQ context, create a REP socket, and connect to ROUTER
>>>>        ctx = zmq_ctx_new();
>>>>        sock = zmq_socket(ctx,ZMQ_REP);
>>>>        zmq_connect (sock, "tcp://localhost:5560");
>>>>
>>>>        // do a basic zmq_recv call...warn if it fails
>>>>        len = zmq_recv(sock,buf,sizeof(buf),0);
>>>>        if (len<  0) {
>>>>            printf("zmq_recv failed - %s\n",zmq_strerror(errno));
>>>>        }
>>>>
>>>>        // Done. Clean up and end
>>>>        zmq_close (sock);
>>>>        zmq_term (ctx);
>>>>        return 0;
>>>> }
>>>>
>>>>
>>>> Steps to repro are start server, start broker, kill broker (spec.
>>>> ctrl-C), restart broker. Server aborts with the above assertion.
>>>>
>>>> Is there something my code should be doing differently?
>>>>
>>>> Thanks....Stuart
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> zeromq-dev mailing list
>>>> zeromq-dev at lists.zeromq.org
>>>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
>>> _______________________________________________
>>> zeromq-dev mailing list
>>> zeromq-dev at lists.zeromq.org
>>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
>> _______________________________________________
>> zeromq-dev mailing list
>> zeromq-dev at lists.zeromq.org
>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
> _______________________________________________
> zeromq-dev mailing list
> zeromq-dev at lists.zeromq.org
> http://lists.zeromq.org/mailman/listinfo/zeromq-dev