[zeromq-dev] problem with sending and recieving in a simple PAIR setup

Michael Hansen michaelsvenna at gmail.com
Sat Aug 18 06:18:45 CEST 2018


Hi,
I am not sure I see where there is missing some indentation.
To me it looks okay regarding indentation.
rtx is just a def with a while loop where recv is called and printed in
every iteration.

On Sat, Aug 18, 2018 at 12:44 AM, Tomer Eliyahu <tomereliyahu1 at gmail.com>
wrote:

> Aren't you missing indentation in rtx functions?
>
> On Sat, Aug 18, 2018, 01:20 Michael Hansen <michaelsvenna at gmail.com>
> wrote:
>
>> Hello, I am quite new to ZMQ which seems like a really nice library.
>> However i seem to be running into some issues already.
>> I have to make a setup with just 2 peers who can send to each other.
>> There is no order in how the clients communicate - however in generel
>> data flows
>> from one to the other and commands from the other to the first.
>>
>> I made a small test as below but communication seem to hang up and only
>> one part is sending.
>> Also - sometimes when i try to run this, i get the following error:
>>
>> 'Resource temporarily unavailable (bundled/zeromq/src/signaler.cpp:301)
>>
>> Abort trap: 6'
>>
>>
>> Here are the 2 components, what am I doing wrong?
>>
>>
>>
>>
>> # ==============
>> # = SERVER A
>> # ==============
>>
>>
>> import threading
>> import time
>> import zmq
>>
>>
>> port = 9999
>> context = zmq.Context()
>> socket = context.socket(zmq.PAIR)
>> socket.connect("tcp://127.0.0.1:%s" % port)
>>
>>
>> def rtx(socket):
>> print('A started receiving...')
>> while 1:
>> print(b'A RECEIVED : %s' % socket.recv())
>>
>>
>> def ttx(socket):
>> print('A started transmitting...')
>> while 1:
>> socket.send(b'Message from A')
>> time.sleep(1)
>>
>>
>> threading.Thread(target=rtx, args=(socket,)).start()
>> threading.Thread(target=ttx, args=(socket,)).start()
>>
>>
>>
>>
>> # ==============
>> # = SERVER B
>> # ==============
>>
>>
>> import threading
>> import time
>> import zmq
>>
>>
>> port = 9999
>> context = zmq.Context()
>> socket = context.socket(zmq.PAIR)
>> socket.bind("tcp://127.0.0.1:%s" % port)
>>
>>
>> def rtx(socket):
>> print('B started receiving...')
>> while 1:
>> print(b'B RECEIVED : %s' % socket.recv())
>>
>>
>> def ttx(socket):
>> print('B started transmitting...')
>> while 1:
>> socket.send(b'Message from B')
>> time.sleep(1)
>>
>>
>> threading.Thread(target=rtx, args=(socket,)).start()
>> threading.Thread(target=ttx, args=(socket,)).start()
>>
>> _______________________________________________
>> 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/20180818/eb972c6d/attachment.html>


More information about the zeromq-dev mailing list