Pau Puerta

Add optional keep-alive mechanism to WS connections

2

#506 To be able to keepalive to WS connections, this PR adds a new callback to allow do something every x seconds while not receiving messages. ``` CROW_WEBSOCKET_ROUTE(app, "/ws") .onaccept([&](const...

Add optional keep-alive mechanism to WS connections

3

Hi When the client shutdown gently, like powers off, a normal reboot or even unplugging the network, works well, but in case of client disconnect suddenly like halt force, reboot...