September 30th 2024 by Darren Sherrell

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This assumes that you have the latest version of EigerOnePvServer in the scripts pvservers directory. If not use the normal git clone command.

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NAVIGATE

go to

/home/ls-cat/scripts/pvservers/EigerOnePvServer

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SET UP CONDA ENVIRONMENT

type

conda env list

This should return a list of available conda environments. We want to activate the one called pvserver

conda activate pvserver

This make a your prompt look like this:

(pvserver) ls-cat@juniper:~/scripts/pvservers/EigerOnePvServer$

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START PYTHON SERVER

python3 EigerOnePvServer.py

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CHECK SERVER IS WORKING

In a different terminal check these commands work (don't forget to undo them)

Try these commands and make sure the response

GET http://localhost:5000/pv/21EIG1:cam1:NDAttributesFile {"pvname":"21EIG1:cam1:NDAttributesFile","value":""}

curl -X POST -H "Content-Type: application/json" -d '{"value": "localtest"}' http://localhost:5000/pv/21EIG1:cam1:NDAttributesFile

{"pvname":"21EIG1:cam1:NDAttributesFile","value_set_to":"localtest"}

curl -X POST -H "Content-Type: application/json" -d '{"value": "20"}' http://localhost:5000/pv/21EIG1:cam1:NumTriggers

{"pvname":"21EIG1:cam1:NumTriggers","value_set_to":"20"}

When there is a successful for call to the server you should see something like this from the server window

PV Name: 21EIG1:cam1:NDAttributesFile

PV Type: time_char

PV Base Type: char

PV Count: 256

PV Value: local

127.0.0.1 - - [30/Sep/2024 10:40:06] "GET /pv/21EIG1:cam1:NDAttributesFile HTTP/1.1" 200 -

PV Name: 21EIG1:cam1:NumTriggers

PV Type: time_long

PV Base Type: long

PV Count: 1

PV Value: 30

127.0.0.1 - - [30/Sep/2024 10:40:17] "POST /pv/21EIG1:cam1:NumTriggers HTTP/1.1" 200 -

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ACCESSING FROM NETWORK (Not Juniper where the server is running)

Example:

curl http://juniper.ls-cat.org:5000/pv/21EIG1:cam1:NDAttributesFile

http requests should be available everywhere on network 164.54.252.XX