2.4.4. websocket协议

websocketd:

http://websocketd.com/
https://github.com/joewalnes/websocketd

使用:
websocketd --port=8080 bash ./counter.sh
% 启动websocket,当client连接后
% 会执行counter.sh,并输出到client

other websocket:

https://github.com/uNetworking/uWebSockets
https://socket.io/
https://github.com/theturtle32/WebSocket-Node