Change ping/pong mechanism to update node status since callbacks are …#593
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Change ping/pong mechanism to update node status since callbacks are …#593
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…not fully supported by python socketio. Now, sending a ping from each node to the server every minute instead. The ping leads to updated 'last_seen' and status 'online'. Additionally, the server has a new thread that checks every minute (+ a few seconds) which online nodes have not pinged and puts them to offline.
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…not fully supported by python socketio.
Now, sending a ping from each node to the server every minute instead. The ping leads to updated 'last_seen' and status 'online'. Additionally, the server has a new thread that checks every minute (+ a few seconds) which online nodes have not pinged and puts them to offline.
Fix #535