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Entry  12 Mar 2018, Andreas Suter, Forum, mhttpd / javascript - simple check if a client is running 
    Reply  13 Mar 2018, Thomas Lindner, Forum, mhttpd / javascript - simple check if a client is running 
       Reply  13 Mar 2018, Andreas Suter, Forum, mhttpd / javascript - simple check if a client is running 
Message ID: 1354     Entry time: 13 Mar 2018     In reply to: 1353
Author: Andreas Suter 
Topic: Forum 
Subject: mhttpd / javascript - simple check if a client is running 
> > Is there a simple way from the javascript side to check if a fontend is running?
> > Currently one would need to go through the /System/Client list to find out if a
> > frontend/client is running. Wouldn't it be nice to have this centralized, either
> > in the mhttpd.cxx or mhttpd.js part? 
> 
> Hi,
> 
> I think that this option already exists with the cm_exist method for the mjsonrpc calls.  For instance, you can use a 
> call like 
> 
> curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","id":null,"method":"cm_exist","params":
> {"name":"Logger"}}' 'http://localhost:8081?mjsonrpc'
> 
> to get the status of the logger program.  There is a description of the cm_exist parameters on this page:
> 
> https://midas.triumf.ca/MidasWiki/index.php/Mjsonrpc

Thanks a lot for the info. I just simply missed it :-|
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