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server.js
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server.js
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var http = require('http');
var static = require('node-static');
var io = require('socket.io');
var fs = require('fs');
var SonosDiscovery = require('sonos-discovery');
var discovery = new SonosDiscovery();
var port = 8080;
var fileServer = new static.Server('./static');
var playerIps = [];
var playerCycle = 0;
fs.mkdir('./cache', function (e) {
if (e)
console.log('creating cache dir failed, this is probably normal', e);
});
var server = http.createServer(function (req, res) {
if (/^\/getaa/.test(req.url)) {
// this is a resource, download from player and put in cache folder
var b64url = new Buffer(req.url).toString('base64');
var fileName = './cache/' + b64url;
if (playerIps.length == 0) {
for (var i in discovery.players) {
playerIps.push(discovery.players[i].address);
}
}
fs.exists(fileName, function (exists) {
if (exists) {
var readCache = fs.createReadStream(fileName);
readCache.pipe(res);
return;
}
var playerIp = playerIps[playerCycle++%playerIps.length];
console.log('fetching album art from', playerIp);
http.get({
hostname: playerIp,
port: 1400,
path: req.url
}, function (res2) {
if (res2.statusCode == 200) {
var cacheStream = fs.createWriteStream(fileName);
res2.pipe(cacheStream);
} else {
// no image exists! link it to the default image.
console.log(res2.statusCode, 'linking', b64url)
fs.linkSync('./lib/browse_missing_album_art.png', fileName);
res2.resume();
}
res2.on('end', function () {
console.log('serving', req.url);
var readCache = fs.createReadStream(fileName);
readCache.on('error', function (e) {
console.log(e);
});
readCache.pipe(res);
});
}).on('error', function(e) {
console.log("Got error: " + e.message);
});
});
} else {
req.addListener('end', function () {
fileServer.serve(req, res);
}).resume();
}
});
var socketServer = io.listen(server);
socketServer.set('log level', 1);
socketServer.sockets.on('connection', function (socket) {
// Send it in a better format
var players = [];
var player;
for (var uuid in discovery.players) {
player = discovery.players[uuid];
players.push(player.convertToSimple());
}
if (players.length == 0) return;
socket.emit('topology-change', players);
player.getFavorites(function (success, favorites) {
socket.emit('favorites', favorites);
});
socket.on('transport-state', function (data) {
// find player based on uuid
var player = discovery.getPlayerByUUID(data.uuid);
if (!player) return;
// invoke action
console.log(data)
player[data.state]();
});
socket.on('group-volume', function (data) {
// find player based on uuid
var player = discovery.getPlayerByUUID(data.uuid);
if (!player) return;
// invoke action
console.log(data)
player.groupSetVolume(data.volume);
});
socket.on('group-management', function (data) {
// find player based on uuid
console.log(data)
var player = discovery.getPlayerByUUID(data.player);
if (!player) return;
if (data.group == null) {
player.becomeCoordinatorOfStandaloneGroup();
return;
}
player.setAVTransportURI('x-rincon:' + data.group);
});
socket.on('play-favorite', function (data) {
console.log(data)
var player = discovery.getPlayerByUUID(data.uuid);
if (!player) return;
player.replaceWithFavorite(data.favorite, function (success) {
if (success) player.play();
});
});
socket.on('queue', function (data) {
function getQueue(startIndex, requestedCount) {
var player = discovery.getPlayerByUUID(data.uuid);
player.getQueue(startIndex, requestedCount, function (success, queue) {
if (!success) return;
socket.emit('queue', queue);
if (queue.startIndex + queue.numberReturned < queue.totalMatches) {
getQueue(queue.startIndex + queue.numberReturned, 100);
}
});
}
getQueue(0, 100);
});
socket.on('seek', function (data) {
console.log(data)
var player = discovery.getPlayerByUUID(data.uuid);
player.seek(data.trackNo);
});
socket.on("error", function (e) {
console.log(e);
})
});
discovery.on('topology-change', function (data) {
var players = [];
for (var uuid in discovery.players) {
var player = discovery.players[uuid];
players.push(player.convertToSimple());
}
socketServer.sockets.emit('topology-change', players);
});
discovery.on('transport-state', function (data) {
socketServer.sockets.emit('transport-state', data);
});
discovery.on('group-volume', function (data) {
socketServer.sockets.emit('group-volume', data);
});
discovery.on('favorites', function (data) {
socketServer.sockets.emit('favorites', data);
});
// Attach handler for socket.io
server.listen(port);
console.log("http server listening on port", port);