introduce statuscodes

Author: jedi4ever

README.md

@@ -20,6 +20,7 @@ All options are optional.
 * `path` *boolean* include path tag. `default = true`
 * `method` *boolean* include http method tag. `default = false`
 * `protocol` *boolean* include protocol tag. `default = false`
+* `statusCode` *boolean* include status codes. `default = false`
 
 ## License
 

lib/index.js

@@ -4,6 +4,7 @@ module.exports = function (options) {
 	var datadog = options.dogstatsd || new DD();
 	var stat = options.stat || "node.express.router";
 	var tags = options.tags || [];
+	var statusCode = options.statusCode || false;
 
 	return function (req, res, next) {
 		if (!req._startTime) {
@@ -27,6 +28,7 @@ module.exports = function (options) {
 				statTags.push("method:" + req.method.toLowerCase());
 			}
 
+
 			if (options.protocol && req.protocol) {
 				statTags.push("protocol:" + req.protocol);
 			}
@@ -35,7 +37,12 @@ module.exports = function (options) {
 				statTags.push("path:" + req.path);
 			}
 
-			datadog.histogram(stat, (new Date() - req._startTime), 1, statTags);
+			if (statuscode) {
+				statTags.push("status_code:" + req.statusCode);
+				datadog.increment(stat + '.status_code.' + req.statusCode , 1, statTags);
+			}
+
+			datadog.histogram(stat + '.response_time', (new Date() - req._startTime), 1, statTags);
 		};
 
 		next();