mort
/
xremoteview


			
				
					
						
						
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							let http = require("http");
let net = require("net");

let tcpport = process.env["TCPPORT"] ? parseInt(process.env["TCPPORT"]) : 8080;
let httpport = process.env["HTTPPORT"] ? parseInt(process.env["HTTPPORT"]) : 8081;

let html = `
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>XRemoteView</title>
</head>
<body>
	<img id="image" src="/image" style="object-fit: contain; height: 100vh; width: 100%;">
	<script>
let img = document.getElementById("image");
let url = img.src;
setInterval(() => {
	let rand = Math.floor(Math.random() * 1000000);
	img.src = url + "?" + rand;
}, 1000);
	</script>
</body>
</html>
`;

let imgdata = Buffer.alloc(0);

net.createServer(conn => {
	console.log("Connection", conn.remoteAddress);

	received = Buffer.alloc(0);
	let hasLength = false;
	let expectedLen = 0;
	conn.on("data", data => {
		received = Buffer.concat([received, data]);

		while (true) {
			if (!hasLength && received.length >= 4) {
				expectedLen = received.readInt32LE(0);
				hasLength = true;
			}

			if (hasLength && received.length >= expectedLen + 4) {
				imgdata = received.slice(4, expectedLen + 4);
				received = received.slice(expectedLen + 4);
				hasLength = false;
			} else {
				break;
			}
		}
	});
}).on("error", err => console.error(err)).listen(tcpport, "0.0.0.0");

http.createServer((req, res) => {
	if (req.url.split("?")[0] == "/image") {
		res.writeHead(200, {
			"Content-Type": "image/jpeg",
			"Refresh": "1",
		});
		res.end(imgdata);
	} else {
		res.writeHead(200);
		res.end(html);
	}
}).listen(httpport, "0.0.0.0");