130 lines
3.1 KiB
JavaScript
130 lines
3.1 KiB
JavaScript
"use strict";
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const config = require('./config.json')
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const views = require('./jukebox/views')(__dirname + '/templates/');
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const library = require('./jukebox/library');
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const MediaLibraryFileBackend = require('./jukebox/library/file-backend')(config);
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const MediaLibrary = new library.Library(config, MediaLibraryFileBackend);
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const express = require('express');
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const morgan = require('morgan')
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const winston = require('winston');
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var logger = new (winston.Logger)({
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transports: [
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new (winston.transports.Console)()
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]
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});
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logger.level = config.debug ? 'debug' : 'info';
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const MediaPlayer = require('./jukebox/media-player')(config, logger);
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const TagReader = require('./jukebox/tag-reader')(config, logger);
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const play_log = require('./jukebox/library/play-log');
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const PlayLog = new play_log.PlayLog();
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MediaPlayer.throttle();
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var app = express();
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var server = require('http').createServer();
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const WebSocket = require('ws');
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const WebSocketServer = WebSocket.Server;
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var wss = new WebSocketServer({server: server});
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function exitHandler(options, err) {
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logger.debug('closing child tasks');
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if (err) logger.debug(err.stack);
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// FIXME When do we actually need to call this? Adding these seems
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// to have fixed a problem with orphaned children, but not we get
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// two sets of "closing child tasks" messages when we shut down.
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TagReader.kill();
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MediaPlayer.kill();
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if (options.exit) {
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process.exit();
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}
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};
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process.on('exit', exitHandler.bind(null));
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process.on('SIGINT', exitHandler.bind(null, {exit:true}));
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TagReader.on('message', tag => {
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if (tag == 'E1' || tag == 'E2') {
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logger.debug("tagreader had rfid read error", { tag: tag });
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return;
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}
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logger.debug("got tag from tagreader", { tag: tag });
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MediaLibrary.find(tag);
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});
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if (config.debug) {
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MediaPlayer.on('message', line => {
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logger.debug("mediaplayer sent message", { line: line });
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});
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}
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MediaPlayer.on('command', tag => {
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PlayLog.updateLog(tag);
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});
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PlayLog.on('update', tag => {
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var data = {
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html: views.log.render({ play_log: PlayLog.getLog() }),
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tag: tag.tag
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};
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wss.broadcast(JSON.stringify(data));
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});
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MediaLibrary.on('action', MediaPlayer.handleTag.bind(MediaPlayer));
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app.use(morgan('dev'))
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app.use(express.static(__dirname + '/static'))
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app.get('/', function (req, res, next) {
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try {
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var index = views.index.render({
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last_tag: PlayLog.getLastTag()
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, config: config
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, play_log: PlayLog.getLog()
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});
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var html = views.base.render({
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title: 'Home'
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, content: index
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})
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res.send(html)
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} catch (e) {
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next(e)
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}
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});
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wss.broadcast = function broadcast(data) {
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wss.clients.forEach(function each(client) {
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if (client.readyState === WebSocket.OPEN) {
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client.send(data);
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}
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});
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};
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wss.on('connection', function (ws) {
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logger.info('websocket client connected');
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ws.on('close', function () {
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logger.info('websocket client disconnected');
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});
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});
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server.on('request', app);
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server.listen(config.port, function () {
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logger.info('express listening on http://localhost:' + config.port)
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})
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// vim:ts=2 sw=2 et:
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