65 lines
1.7 KiB
TypeScript
65 lines
1.7 KiB
TypeScript
import { createWriteStream } from "node:fs";
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import http from "node:http";
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import { Handlers, makeSession, Session } from "./session.js";
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import { discoverDevices } from "./discovery.js";
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import { DevSerial } from "./impl.js";
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const opts = { debug: false, ansi: false };
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let BOUNDARY = "a very good boundary line";
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let responses = [];
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let sessions: Record<string, Session> = {};
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const server = http.createServer((req, res) => {
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let devId = req.url.slice(1);
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console.log("requested for", devId);
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let s = sessions[devId];
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if (s === undefined) {
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res.writeHead(400);
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res.end("invalid ID");
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return;
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}
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if (!s.connected) {
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res.writeHead(400);
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res.end("Nothing online");
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return;
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}
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res.setHeader("Content-Type", `multipart/x-mixed-replace; boundary="${BOUNDARY}"`);
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responses.push(res);
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});
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let devEv = discoverDevices(opts);
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devEv.on("discover", (rinfo, dev: DevSerial) => {
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if (dev.devId in sessions) {
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console.log(`ignoring ${dev.devId} - ${rinfo.address}`);
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return;
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}
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console.log(`discovered ${dev.devId} - ${rinfo.address}`);
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const s = makeSession(Handlers, dev, rinfo, opts);
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const withAudio = false;
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s.eventEmitter.on("frame", (frame: Buffer) => {
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let s = `--${BOUNDARY}\r\n`;
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s += "Content-Type: image/jpeg\r\n\r\n";
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responses.forEach((res) => {
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res.write(Buffer.from(s));
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res.write(frame);
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});
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});
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s.eventEmitter.on("disconnect", () => {
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console.log("deleting from sessions");
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sessions[dev.devId] = undefined;
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});
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if (withAudio) {
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const audioFd = createWriteStream(`audio.pcm`);
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s.eventEmitter.on("audio", (frame: Buffer) => {
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audioFd.write(frame);
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});
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}
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sessions[dev.devId] = s;
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});
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server.listen(1234);
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