[zeromq-dev] ZeroMQ with Python and a basic task

[Kenneth Adam Miller]

On your example, are you running the requisite request receiver, eg the
python script that binds to port 5555 in order that the server can have
something to connect to? Just checking.

Well it depends on what all you want it to do in what scenario. If these
are two typical user machines, you might need tcp hole punching to get past
firewalls to start with. There's libraries for that, and I'll probably go
through that soon for my application.

Also, you don't have to start from scratch, you could easily work from one
of the plethora of existing messaging clients and extend them, or at least
read their source to see how they work.

On Mon, Mar 2, 2015 at 12:29 AM, Michael Cuggy <mcuggy at gmail.com> wrote:

> Hello,
>
> I am using RHEL v. 7.x on AWS.  I installed ZeroMQ 4.0.5.  I want to
> create a basic program using Python and ZeroMQ that serves as a chat
> service for human users using Linux on a LAN.
>
> I have made a significant effort.  I installed the prerequisites for
> ZeroMQ and ZeroMQ itself. I installed the Python bindings.
>
> The problem is that I cannot even get a Hello World program to work on
> one server.  But I used the Hello World program that was on the
> zeromq.org page. (http://zguide.zeromq.org/py:hwclient)
>
> Here is what I get (after running python hello.py):
>
> "Connecting to hello world server
> Sending request 0"
>
> It pauses indefinitely after this.  I have to escape out with Ctrl-c.
>
> Can I get step-by-step directions on how to create a messaging program
> using Python and Zeromq?  I just want it to work between two Linux
> machines to start with.  It is just problem after problem.  If no one
> knows of such documentation, can someone please tell me why I cannot
> see "Hello World" via the Python program that ZeroMQ.org provides?  To
> me it just
> pauses after "Sending request 0."
>
> thanks,
>
> Mike
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