add a trivial home page to link multiple cameras

http_server.ts

@@ -12,7 +12,8 @@ let responses = [];
 let sessions: Record<string, Session> = {};
 
 const server = http.createServer((req, res) => {
-  let devId = req.url.slice(1);
+  if (req.url.startsWith("/camera/")) {
+    let devId = req.url.split("/")[2];
     console.log("requested for", devId);
     let s = sessions[devId];
 
@@ -28,6 +29,12 @@ const server = http.createServer((req, res) => {
     }
     res.setHeader("Content-Type", `multipart/x-mixed-replace; boundary="${BOUNDARY}"`);
     responses.push(res);
+  } else {
+    res.write(`<html>`);
+    Object.keys(sessions).forEach((id) => res.write(`<a href="/camera/${id}">${id}</a>`));
+    res.write(`</html>`);
+    res.end();
+  }
 });
 
 let devEv = discoverDevices(opts);