add examples for redis stats publisher

example/redis_transport.js

@@ -0,0 +1,29 @@
+var express = require('express');
+var Stats = require('../index.js').statCollector;
+var opts = {'transport': 'redis', 'statServers': ['stats']};
+var st = new Stats(opts);
+var counters = {
+  'ips': function (req, res) {
+    return req.connection.remoteAddress;
+  },
+  'urls': function (req, res) {
+    return req.originalUrl;
+  },
+  'client': function (req, res) {
+    return req.headers['user-agent'] + "::" + req.connection.remoteAddress;
+  }
+};
+var app = express.createServer();
+app.use(st.useCounters(counters)); //use counters as middleware
+st.attach(app); //expose stats object through req.stats
+
+app.get('/', function (req, res) {
+  res.send('/');
+});
+app.get('/ok', function (req, res) {
+  res.send('/ok');
+  req.stats.counter('ppls', Math.random());
+});
+
+app.listen(8080);
+console.log('example app listen on 8080 port, for getting stat subscribe to redis channel \'stats\'');

example/redis_viewer.js

@@ -0,0 +1,5 @@
+var client = require('redis').createClient();
+client.subscribe('stats');
+client.on('message', function (channel, message) {
+  console.log('got message from ' + channel + ' : ' + message);
+});