178 lines
2.8 KiB
JavaScript
178 lines
2.8 KiB
JavaScript
const EventEmitter = require('events').EventEmitter;
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const Logger = require('./Logger');
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const logger = new Logger('Lobby');
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class Lobby extends EventEmitter
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{
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constructor()
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{
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logger.info('constructor()');
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super();
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// Closed flag.
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this._closed = false;
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this._peers = new Map();
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}
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close()
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{
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logger.info('close()');
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this._closed = true;
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this._peers.forEach((peer) =>
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{
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if (!peer.closed)
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peer.close();
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});
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this._peers.clear();
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}
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checkEmpty()
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{
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logger.info('checkEmpty()');
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return this._peers.size === 0;
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}
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peerList()
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{
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logger.info('peerList()');
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return Array.from(this._peers.values()).map((peer) =>
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({
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peerId : peer.id,
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displayName : peer.displayName
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}));
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}
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hasPeer(peerId)
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{
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return this._peers.has(peerId);
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}
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promoteAllPeers()
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{
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logger.info('promoteAllPeers()');
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this._peers.forEach((peer) =>
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{
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if (peer.socket)
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this.promotePeer(peer.id);
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});
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}
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promotePeer(peerId)
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{
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logger.info('promotePeer() [peer:"%s"]', peerId);
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const peer = this._peers.get(peerId);
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if (peer)
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{
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this.emit('promotePeer', peer);
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this._peers.delete(peerId);
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}
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}
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parkPeer(peer)
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{
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logger.info('parkPeer() [peer:"%s"]', peer.id);
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if (this._closed)
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return;
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this._notification(peer.socket, 'enteredLobby');
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this._peers.set(peer.id, peer);
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peer.on('authenticationChanged', () =>
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{
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logger.info('parkPeer() | authenticationChange [peer:"%s"]', peer.id);
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peer.authenticated && this.emit('peerAuthenticated', peer);
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});
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peer.socket.on('request', (request, cb) =>
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{
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logger.debug(
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'Peer "request" event [method:"%s", peer:"%s"]',
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request.method, peer.id);
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if (this._closed)
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return;
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this._handleSocketRequest(peer, request, cb)
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.catch((error) =>
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{
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logger.error('request failed [error:"%o"]', error);
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cb(error);
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});
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});
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peer.on('close', () =>
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{
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logger.debug('Peer "close" event [peer:"%s"]', peer.id);
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if (this._closed)
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return;
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this.emit('peerClosed', peer);
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this._peers.delete(peer.id);
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if (this.checkEmpty())
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this.emit('lobbyEmpty');
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});
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}
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async _handleSocketRequest(peer, request, cb)
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{
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logger.debug(
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'_handleSocketRequest [peer:"%s"], [request:"%s"]',
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peer.id,
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request.method
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);
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if (this._closed)
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return;
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switch (request.method)
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{
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case 'changeDisplayName':
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{
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const { displayName } = request.data;
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peer.displayName = displayName;
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this.emit('changeDisplayName', peer);
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cb();
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break;
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}
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}
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}
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_notification(socket, method, data = {}, broadcast = false)
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{
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if (broadcast)
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{
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socket.broadcast.to(this._roomId).emit(
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'notification', { method, data }
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);
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}
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else
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{
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socket.emit('notification', { method, data });
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}
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}
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}
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module.exports = Lobby; |