Signature
bool ws_close(String connection_id = "")
Parameters
connection_id : optional target client ID, defaults to the current WebSocket client
return value : true if the target connection exists and was scheduled to close
Queues a WebSocket close frame and closes the targeted connection.
If connection_id is omitted, the current connection handled by WS(Request& context) is closed.
Example
bool closed = ws_close("example-connection-id");
print(closed ? "close queued" : "no such connection to close", "\n");
Output
close queued