From 178dec583491f36c11916cd91df49727cf03d13c Mon Sep 17 00:00:00 2001
From: brettlangdon <brett@blangdon.com>
Date: Mon, 15 Aug 2016 19:50:51 -0400
Subject: [PATCH] work on docs/etc

---
 doc.go     |  5 +++++
 handler.go |  6 ++----
 setup.go   | 32 ++++++++++++++++----------------
 3 files changed, 23 insertions(+), 20 deletions(-)
 create mode 100644 doc.go

diff --git a/doc.go b/doc.go
new file mode 100644
index 0000000..5da2312
--- /dev/null
+++ b/doc.go
@@ -0,0 +1,5 @@
+// Package caddydogstatsd provides a Datadog middleware for caddy.
+//
+// caddydogstatsd is a plugin for https://caddyserver.com which will emit Datadog dogstatsd metrics
+// after each request is handled.
+package caddydogstatsd
diff --git a/handler.go b/handler.go
index 4c45dc0..d606d53 100644
--- a/handler.go
+++ b/handler.go
@@ -9,15 +9,13 @@ import (
 	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
-// DogstatsdHandler is a middleware handler for reporting dogstatsd metrics on requests
-type DogstatsdHandler struct {
+type dogstatsdHandler struct {
 	Client     *statsd.Client
 	SampleRate float64
 	Next       httpserver.Handler
 }
 
-// ServeHTTP is the middleware handler which will emit dogstatsd metrics after handling a request
-func (h DogstatsdHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+func (h dogstatsdHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
 	// If we do not have a statsd.Client configured, then skip any processing
 	if h.Client == nil {
 		return h.Next.ServeHTTP(w, r)
diff --git a/setup.go b/setup.go
index f38bc7c..c777f16 100644
--- a/setup.go
+++ b/setup.go
@@ -11,7 +11,7 @@ import (
 )
 
 func init() {
-  // register our plugin with Caddy
+	// register our plugin with Caddy
 	caddy.RegisterPlugin("dogstatsd", caddy.Plugin{
 		ServerType: "http",
 		Action:     setup,
@@ -20,35 +20,35 @@ func init() {
 
 func setup(c *caddy.Controller) error {
 	for c.Next() {
-    // only parse if the initial directive is "dogstatsd"
+		// only parse if the initial directive is "dogstatsd"
 		if c.Val() != "dogstatsd" {
 			continue
 		}
 
-    // default config values
+		// default config values
 		var namespace = ""
 		var host = "127.0.0.1:8125"
 		var globalTags = []string{}
 		var sampleRate = 1.0
 
-    // if we have a block, then parse that
-    // e.g.
-    //   dogstatsd {
-    //     host 127.0.0.1:8125
-    //   }
+		// if we have a block, then parse that
+		// e.g.
+		//   dogstatsd {
+		//     host 127.0.0.1:8125
+		//   }
 		for c.NextBlock() {
-      // each line if of the format `{key} {arg} [{arg}...]`
+			// each line if of the format `{key} {arg} [{arg}...]`
 			var key string
 			key = c.Val()
 
 			var args []string
 			args = c.RemainingArgs()
-      // we expect every directive to have at least 1 argument
+			// we expect every directive to have at least 1 argument
 			if len(args) == 0 {
 				return c.ArgErr()
 			}
 
-      // parse directives
+			// parse directives
 			switch key {
 			case "host":
 				host = args[0]
@@ -70,9 +70,9 @@ func setup(c *caddy.Controller) error {
 			}
 		}
 
-    // handle non-block configuration
-    // e.g.
-    //   dogstatsd [{host:port} [{samplerate}]]
+		// handle non-block configuration
+		// e.g.
+		//   dogstatsd [{host:port} [{samplerate}]]
 		if c.NextArg() {
 			var args []string
 			args = c.RemainingArgs()
@@ -88,7 +88,7 @@ func setup(c *caddy.Controller) error {
 			}
 		}
 
-    // add our middleware
+		// add our middleware
 		var cfg *httpserver.SiteConfig
 		cfg = httpserver.GetConfig(c)
 		cfg.AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
@@ -100,7 +100,7 @@ func setup(c *caddy.Controller) error {
 				client.Tags = globalTags
 			}
 
-			return DogstatsdHandler{
+			return dogstatsdHandler{
 				Client:     client,
 				SampleRate: sampleRate,
 				Next:       next,