[Tango-cs-bug-info] [tango-cs:bugs] #667 subscribe_event does not report error after polling stopped on server

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Oct 7, 2015, 2:49:01 AM10/7/15

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Description has changed:

Diff:

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 Scenario:
 A tango client is subscribed to events on an attribute being polled by the server. The polling is stopped. The client should report error periodically but instead it is silent.

status: open --> closed-fixed
Comment:

Fixed in Tango 9

[bugs:#667] subscribe_event does not report error after polling stopped on server

Status: closed-fixed
Created: Tue Apr 29, 2014 07:17 AM UTC by Tiago Coutinho
Last Updated: Tue May 06, 2014 02:01 PM UTC
Owner: Emmanuel Taurel

Scenario:
A tango client is subscribed to events on an attribute being polled by the server. The polling is stopped. The client should report error periodically but instead it is silent.

Using:
Debian 6 64bits
Tango 8.1.2 with patches from web: p812_1, p812_2, p812_3, p812_4
ZMQ 3.2.3
omniORB 4.1.2

How to reproduce:

1 - Start a TangoTest DS
2 - activate polling on an attribute (ex: double_scalar)
3 - start a client (C++ or python) subscribing to the attribute in stateless mode:
device.subscribe_event("double_scalar", CHANGE_EVENT, callback, [], True)
( now the client should be receiving events periodically )
4 - disable polling on the server:
5 - the client callback should be called periodically (every 10s) with the error but it is not: Bug!

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