first commit

app/controllers/cache_status_controller.js

@@ -0,0 +1,29 @@
+'use strict';
+
+var _ = require('underscore');
+
+function CacheStatusController(tableCache) {
+    this.tableCache = tableCache;
+}
+
+CacheStatusController.prototype.route = function (app) {
+    app.get(global.settings.base_url + '/cachestatus', this.handleCacheStatus.bind(this));
+};
+
+CacheStatusController.prototype.handleCacheStatus = function (req, res) {
+    var tableCacheValues = this.tableCache.values();
+    var totalExplainKeys = tableCacheValues.length;
+    var totalExplainHits = _.reduce(tableCacheValues, function(memo, res) {
+        return memo + res.hits;
+    }, 0);
+
+    res.send({
+        explain: {
+            pid: process.pid,
+            hits: totalExplainHits,
+            keys : totalExplainKeys
+        }
+    });
+};
+
+module.exports = CacheStatusController;