forked from snxraven/LinkUp-P2P-Chat
104 lines
3.5 KiB
JavaScript
104 lines
3.5 KiB
JavaScript
import Hyperswarm from 'hyperswarm';
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import EventEmitter from 'node:events';
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import b4a from "b4a";
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import TextMessage from "./TextMessage.js";
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import FileMessage from "./FileMessage.js";
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import AudioMessage from "./AudioMessage.js";
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class Client extends EventEmitter {
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constructor(botName) {
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super();
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if (!botName) return console.error("Bot Name is not defined!");
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this.botName = botName;
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this.botAvatar = "";
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this.swarm = new Hyperswarm();
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this.joinedRooms = new Set(); // Track the rooms the bot has joined
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this.currentTopic = null; // Track the current topic
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this.setupSwarm();
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process.on('exit', () => {
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console.log('EXIT signal received. Shutting down HyperSwarm...');
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this.destroy();
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});
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process.on('SIGTERM', async () => {
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console.log('SIGTERM signal received. Shutting down HyperSwarm...');
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await this.destroy()
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console.log('HyperSwarm was shut down. Exiting the process with exit code 0.');
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process.exit(0);
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});
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process.on('SIGINT', async () => {
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console.log('SIGINT signal received. Shutting down HyperSwarm...');
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await this.destroy()
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console.log('HyperSwarm was shut down. Exiting the process with exit code 0.');
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process.exit(0);
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});
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}
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setupSwarm() {
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this.swarm.on('connection', (peer) => {
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peer.on('data', message => {
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const messageObj = JSON.parse(message.toString());
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if (this.joinedRooms.has(messageObj.topic)) { // Process message only if it is from a joined room
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this.currentTopic = messageObj.topic; // Set the current topic from the incoming message
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if (messageObj.type === "message")
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this.emit('onMessage', peer, new TextMessage(messageObj.name, messageObj.avatar, messageObj.topic, messageObj.timestamp, messageObj.message));
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if (messageObj.type === "file")
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this.emit('onFile', peer, new FileMessage(messageObj.name, messageObj.avatar, messageObj.fileName, messageObj.fileUrl, messageObj.fileType, messageObj.avatar, messageObj.topic, messageObj.timestamp));
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if (messageObj.type === "icon")
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this.emit('onIcon', peer, messageObj);
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if (messageObj.type === "audio")
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this.emit('onAudio', peer, new AudioMessage());
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}
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});
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peer.on('error', e => {
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this.emit('onError', e);
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console.error(`Connection error: ${e}`)
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});
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});
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this.swarm.on('update', () => {
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console.log(`Connections count: ${this.swarm.connections.size} / Peers count: ${this.swarm.peers.size}`);
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});
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}
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joinChatRoom(chatRoomID) {
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if (!chatRoomID || typeof chatRoomID !== 'string') {
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return console.error("Invalid chat room ID!");
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}
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this.joinedRooms.add(chatRoomID); // Add the room to the list of joined rooms
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this.currentTopic = chatRoomID; // Store the current topic
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this.discovery = this.swarm.join(Buffer.from(chatRoomID, 'hex'), { client: true, server: true });
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this.discovery.flushed().then(() => {
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console.log(`Bot ${this.botName} joined the chat room.`);
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this.emit('onBotJoinRoom');
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});
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}
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sendTextMessage(message) {
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this.sendMessage(TextMessage.new(this, message));
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}
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sendMessage(message) {
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console.log(typeof message);
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console.log('Bot name:', this.botName);
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const data = message.toJsonString();
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const peers = [...this.swarm.connections];
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for (const peer of peers) peer.write(data);
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}
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async destroy() {
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await this.swarm.destroy();
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console.log(`Bot ${this.botName} disconnected.`);
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}
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}
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export default Client;
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