Firebase Update

express-server/node_modules/faye-websocket/examples/server.js

@@ -0,0 +1,69 @@
+var WebSocket = require('..'),
+    deflate   = require('permessage-deflate'),
+    fs        = require('fs'),
+    http      = require('http'),
+    https     = require('https');
+
+var port    = process.argv[2] || 7000,
+    secure  = process.argv[3] === 'tls',
+    options = {extensions: [deflate], ping: 5};
+
+var upgradeHandler = function(request, socket, head) {
+  var ws = new WebSocket(request, socket, head, ['irc', 'xmpp'], options);
+  console.log('[open]', ws.url, ws.version, ws.protocol, request.headers);
+
+  ws.pipe(ws);
+
+  ws.onclose = function(event) {
+    console.log('[close]', event.code, event.reason);
+    ws = null;
+  };
+};
+
+var requestHandler = function(request, response) {
+  if (!WebSocket.EventSource.isEventSource(request))
+    return staticHandler(request, response);
+
+  var es   = new WebSocket.EventSource(request, response),
+      time = parseInt(es.lastEventId, 10) || 0;
+
+  console.log('[open]', es.url, es.lastEventId);
+
+  var loop = setInterval(function() {
+    time += 1;
+    es.send('Time: ' + time);
+    setTimeout(function() {
+      if (es) es.send('Update!!', {event: 'update', id: time});
+    }, 1000);
+  }, 2000);
+
+  fs.createReadStream(__dirname + '/haproxy.conf').pipe(es, {end: false});
+
+  es.onclose = function() {
+    clearInterval(loop);
+    console.log('[close]', es.url);
+    es = null;
+  };
+};
+
+var staticHandler = function(request, response) {
+  var path = request.url;
+
+  fs.readFile(__dirname + path, function(err, content) {
+    var status = err ? 404 : 200;
+    response.writeHead(status, {'Content-Type': 'text/html'});
+    response.write(content || 'Not found');
+    response.end();
+  });
+};
+
+var server = secure
+           ? https.createServer({
+               key:  fs.readFileSync(__dirname + '/../spec/server.key'),
+               cert: fs.readFileSync(__dirname + '/../spec/server.crt')
+             })
+           : http.createServer();
+
+server.on('request', requestHandler);
+server.on('upgrade', upgradeHandler);
+server.listen(port);