77 lines
2.1 KiB
TypeScript
77 lines
2.1 KiB
TypeScript
import { RemoteInfo } from "node:dgram";
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import { createWriteStream } from "node:fs";
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import http from "node:http";
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import { CommandsByValue } from "./datatypes.js";
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import { hexdump } from "./hexdump.js";
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import { create_LanSearch, create_P2pAlive } from "./impl.js";
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import { Handlers, makeSession } from "./server.js";
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const s = makeSession(
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(session, msg, rinfo, options) => {
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const ab = new Uint8Array(msg).buffer;
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const dv = new DataView(ab);
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const cmd = CommandsByValue[dv.readU16()];
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if (options.debug) {
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console.log(`<< ${cmd}`);
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console.log(hexdump(msg.buffer, { ansi: options.ansi, ansiColor: 1 }));
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}
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Handlers[cmd](session, dv, rinfo);
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session.lastReceivedPacket = Date.now();
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},
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(session) => {
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// ther should be a better way of executing periodic status update
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// requests per device
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let buf = create_LanSearch();
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const int = setInterval(() => {
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session.broadcast(buf);
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}, 2000);
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session.broadcast(buf);
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},
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{ debug: false, ansi: false },
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);
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let BOUNDARY = "a very good boundary line";
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let responses = [];
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s.eventEmitter.on("frame", (frame: Buffer) => {
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let s = `--${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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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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s.eventEmitter.on("connect", (name: string, rinfo: RemoteInfo) => {
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console.log(`Connected to ${name} - ${rinfo.address}`);
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s.outgoingCommandId = 0;
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s.dst_ip = rinfo.address;
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if (s.ticket.every((x) => x == 0)) {
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const int = setInterval(() => {
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let buf = create_P2pAlive();
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if (Date.now() - s.lastReceivedPacket > 600) {
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s.send(buf);
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}
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}, 400);
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}
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});
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const server = http.createServer((req, res) => {
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if (s.ticket.every((x) => x == 0)) {
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res.writeHead(400);
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res.end("Nothing online");
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return;
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}
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res.setHeader("Content-Type", `multipart/x-mixed-replace; boundary="${BOUNDARY}"`);
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responses.push(res);
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});
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server.listen(1234);
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