Simple web server that integrates with Redis.

examples/web_server.js

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+// A simple web server that generates dyanmic content based on responses from Redis
+
+var http = require("http"), server,
+    redis_client = require("redis").createClient();
+
+server = http.createServer(function (request, response) {
+    response.writeHead(200, {
+        "Content-Type": "text/plain"
+    });
+    
+    var redis_info, total_requests;
+    
+    redis_client.info(function (err, reply) {
+        redis_info = reply; // stash response in outer scope
+    });
+    redis_client.incr("requests", function (err, reply) {
+        total_requests = reply; // stash response in outer scope
+    });
+    redis_client.hincrby("ip", request.connection.remoteAddress, 1);
+    redis_client.hgetall("ip", function (err, reply) {
+        // This is the last reply, so all of the previous replies must have completed already
+        response.write("This page was generated after talking to redis.\n\n" +
+            "Redis info:\n" + redis_info + "\n" +
+            "Total requests: " + total_requests + "\n\n" +
+            "IP count: \n");
+        Object.keys(reply).forEach(function (ip) {
+            response.write("    " + ip + ": " + reply[ip] + "\n");
+        });
+        response.end();
+    });
+}).listen(80);