Re: zmq under win32service

I've no clear idea what might be going wrong, but:

* The `while True` should be fine - it obviously has limitations, but 
will work in the simple case.

* You need some way of working out *what* is going wrong before you can 
work out *why*. It's possible the `print` statements are failing - I 
don't think the service framework does anything to ensure sys.stdout is 
valid. Most examples use `win32traceutil` to redirect sys.stdout, or you 
can use the event-log or anything else, but knowing exactly what is 
failing (ie, exactly how far it is getting) will be necessary to understand.

Cheers,

Mark

On 8/03/2022 9:08 am, [email protected] wrote:
> Hello,
> 
> I m trying to serve 0mq listener under win32 service
> 
> Code works fine while in interactive session
> 
> Client:
> 
> import zmq, json
> 
> context = zmq.Context()
> 
> socket = context.socket(zmq.REQ)
> 
> socket.connect('ipc://cache/mm')
> 
> socket.send_json(json.dumps({"2" : "1"}))
> 
> message = socket.recv_json()
> 
> print(message)
> 
> server:
> 
> import zmq, json
> 
> context = zmq.Context()
> 
> socket = context.socket(zmq.REP)
> 
> socket.bind('ipc://cache/mm')
> 
> while True:
> 
>                 message = socket.recv_json()
> 
>                 print(message)
> 
>                 socket.send_json(json.dumps({"data" : "BLA BLA"}))
> 
> Once I start the service though I can’t send/receive content
> 
> Both service and cmd/client run under the same account (not SYSTEM)
> 
> I was wondering if I can even use while True without the spawning a 
> separate thread for it ?
> 
> I m using the service code from:
> 
> https://stackoverflow.com/questions/55677165/python-flask-as-windows-service <https://stackoverflow.com/questions/55677165/python-flask-as-windows-service>
> 
> (And the service skeleton /*win32_service.py*/)
> 
> Help appreciated
> 
> Momchil
> 
> 
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