Added as default middleware and removed ip for now

.idea/workspace.xml

@@ -2,7 +2,9 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="b10d9bd6-ec23-43f3-bef7-13a524307117" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/go.mod" beforeDir="false" afterPath="$PROJECT_DIR$/go.mod" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/go.sum" beforeDir="false" afterPath="$PROJECT_DIR$/go.sum" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -34,6 +36,11 @@
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="settings.editor.selected.configurable" value="preferences.lookFeel" />
   </component>
+  <component name="RecentsManager">
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="C:\movidesk\mux\main" />
+    </key>
+  </component>
   <component name="RunDashboard">
     <option name="ruleStates">
       <list>

go.mod

@@ -1,5 +1,8 @@
-module github.com/gorilla/mux
+module gorilla/mux
 
 go 1.12
 
-require github.com/stretchr/testify v1.4.0
+require (
+	github.com/gorilla/mux v1.7.3
+	github.com/stretchr/testify v1.4.0
+)

go.sum

@@ -1,5 +1,7 @@
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
+github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

logger.go

@@ -32,8 +32,6 @@ type LogFormatterParams struct {
 	StatusCode int
 	// Latency is how much time the server cost to process a certain request.
 	Latency time.Duration
-	// ClientIP equals Context's ClientIP method.
-	ClientIP string
 	// Method is the HTTP method given to the request.
 	Method string
 	// Path is a path the client requests.
@@ -97,7 +95,7 @@ func Logger(next http.Handler) http.Handler {
 }
 
 func LoggerWithConfig(c LogConfig) MiddlewareFunc {
-	return func (next http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
 		out := c.Output
 		if out == nil {
 			out = os.Stdout
@@ -120,13 +118,12 @@ func LoggerWithConfig(c LogConfig) MiddlewareFunc {
 
 			stop := time.Now()
 			p := LogFormatterParams{
-				Request:      r,
-				TimeStamp: stop,
-				Latency: stop.Sub(start),
-				ClientIP: "",
-				Method: r.Method,
+				Request:    r,
+				TimeStamp:  stop,
+				Latency:    stop.Sub(start),
+				Method:     r.Method,
 				StatusCode: sw.status,
-				Path: path,
+				Path:       path,
 			}
 
 			fmt.Fprintf(out, formatter(p))
@@ -143,12 +140,11 @@ func formatter(p LogFormatterParams) string {
 		p.Latency = p.Latency - p.Latency%time.Second
 	}
 
-	return fmt.Sprintf("[MUX] %v |%s %3d %s| %13v | %15s |%s %-7s %s %s\n",
+	return fmt.Sprintf("[MUX] %v |%s %3d %s| %13v |%s %-7s %s %s\n",
 		p.TimeStamp.Format("2006/01/02 - 15:04:05"),
 		statusColor, p.StatusCode, resetColor,
 		p.Latency,
-		p.ClientIP,
 		methodColor, p.Method, resetColor,
 		p.Path,
 	)
-}
+}

logger_test.go

@@ -16,7 +16,7 @@ func testHandler(status int) http.HandlerFunc {
 func TestLogger(t *testing.T) {
 	buffer := new(bytes.Buffer)
 	r := NewRouter()
-	r.Use(LoggerWithConfig(LogConfig{Output:buffer}))
+	r.Use(LoggerWithConfig(LogConfig{Output: buffer}))
 	r.HandleFunc("/example", testHandler(http.StatusOK)).
 		Methods("GET", "POST", "PUT", "DELETE", "OPTIONS")
 

mux.go

@@ -23,7 +23,10 @@ var (
 
 // NewRouter returns a new router instance.
 func NewRouter() *Router {
-	return &Router{namedRoutes: make(map[string]*Route)}
+	r := &Router{namedRoutes: make(map[string]*Route)}
+	r.Use(Logger)
+
+	return r
 }
 
 // Router registers routes to be matched and dispatches a handler.