examples: Check for DAQmx event registration errors #928
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bkeryan
commented
May 18, 2023
bkeryan
commented
May 18, 2023
bkeryan
commented
May 18, 2023
|
daqmx is still the only driver that's excluded from the Note that script can also run the examples if you run it locally with a "server url" param. No action required, just pointing out a helpful tool that's not helping here. |
astarche
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May 18, 2023
reckenro
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May 18, 2023
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May 19, 2023 11:44
I got |
Signed-off-by: Brad Keryan <brad.keryan@ni.com>
- Extract a check_for_stream_error function. - For non-aio, use stream.exception() to check for errors - For aio, use stream.code() to check for errors because the aio interfaces don't support stream.exception() Signed-off-by: Brad Keryan <brad.keryan@ni.com>
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bkeryan
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May 23, 2023
grpc-stubs doesn't treat the object returned from a UnaryStreamMultiCallable as a Future. shabbyrobe/grpc-stubs#41 Signed-off-by: Brad Keryan <brad.keryan@ni.com>
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What does this Pull Request accomplish?
Change the DAQmx event examples to explicitly check for stream errors after waiting for initial metadata.
If the stream was closed with an error, it is "done" and reading a response will throw an exception.
Why should this Pull Request be merged?
Demonstrates how to benefit from #927
What testing has been done?
Tested examples as written.
Tested error handling by changing
EVERY_N_SAMPLES_EVENT_TYPE_ACQUIRED_INTO_BUFFERtoEVERY_N_SAMPLES_EVENT_TYPE_TRANSFERRED_FROM_BUFFERand adding areturnafter the error check to prevent the worker thread/async task from being started.