WebSocket - andreydiveev/wiki GitHub Wiki
Tail file to ws:
websocketd --port 1234 tail -f /var/log/syslog
Client:
<!DOCTYPE html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.js" integrity="sha256-WpOohJOqMqqyKL9FccASB9O0KwACQJpFTUBLTYOVvVU=" crossorigin="anonymous"></script>
<pre id="log" style="overflow-y:scroll;height:300px;"></pre>
<script>
// helper function: log message to screen
function log(msg) {
document.getElementById('log').textContent += msg + '\n';
tailScroll();
}
function tailScroll() {
var pre = $("#log");
pre.scrollTop( pre.prop("scrollHeight") );
}
// setup websocket with callbacks
var ws = new WebSocket('ws://localhost:1234/');
ws.onopen = function() {
log('CONNECT');
};
ws.onclose = function() {
log('DISCONNECT');
};
ws.onmessage = function(event) {
log('MESSAGE: ' + event.data);
};
</script>