websocketd 介绍
websocketd 是一个很小的命令后工具，可以让你的命令行接口程序封装成可通过 WebSocket 进行访问。
例如这样一个命令行程序 count.sh:
#!/bin/bash for COUNT in $(seq 1 10); do echo $COUNT sleep 1 done
可通过如下命令进行封装：
$ websocketd --port=8080 ./count.sh
然后你可以创建一个网页来测试 count.html:
<!DOCTYPE html>
<pre id="log"></pre>
<script>
// helper function: log message to screen
function log(msg) {
document.getElementById('log').textContent += msg + '\n';
}
// setup websocket with callbacks
var ws = new WebSocket('ws://localhost:8080/');
ws.onopen = function() {
log('CONNECT');
};
ws.onclose = function() {
log('@R_502_6422@CONNECT');
};
ws.onmessage = function(event) {
log('MESSAGE: ' + event.data);
};
</script>