[zeromq-dev] ZeroMQ Hello World Perl Example Start Up

Michel Pelletier pelletier.michel at gmail.com
Mon Jul 16 19:07:19 CEST 2012


Ah I see you got those examples *from* the guide, I would say those
are broken.  Your best bet is to have your server bind() on a
localhost address and your client connect().  Check out the equivalent
 code in Python:

https://github.com/imatix/zguide/blob/master/examples/Python/rrserver.py

-Michel

On Mon, Jul 16, 2012 at 10:02 AM, Michel Pelletier
<pelletier.michel at gmail.com> wrote:
> Your client and server are not connected to each other.  They are both
> calling connect() and being passed two different URIs.
>
> One of your components has to call bind (which one is up to you, but
> probably your server) and bind to an address, then the other component
> must call connect to connect to that address.  Please read the guide
> which goes into specific details about this right in the beginning.
>
> http://zguide.zeromq.org/page:all
>
> -Michel
>
> On Mon, Jul 16, 2012 at 9:38 AM, Marko Trajkov <markostrajkov at gmail.com> wrote:
>> Hello,
>>
>> I am having trouble in running simple Hello World example in Perl. I
>> installed ZeroMQ and perl module, but when I start perl scripts, they are
>> running without errors but client and server does not exchange messages (do
>> not receive messages and does not sends it) everything else is working
>> without errors. This are example which I am trying to run.
>>
>> https://github.com/imatix/zguide/blob/master/examples/Perl/rrclient.pl
>> https://github.com/imatix/zguide/blob/master/examples/Perl/rrserver.pl
>>
>> When client sends "Hello" tcpdump doesn't catch it, so I can conclude that
>> package was not sent. When I manually send package using sendip, server
>> doesn't received it.
>>
>> Please tell me if there is something that I was missing, where I am wrong. I
>> don't know how to make it working. By the way, I am using zeroMq 2.2, ubuntu
>> linux 12.04 and Perl 5.14.2
>>
>> Second question: Is there UDP protocol for zeroMQ sockets?
>>
>> Kind Regards,
>>
>> Marko Trajkov
>>
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