consolidate rex options

options.go

+/* ----------------------------------------------------------------------
+ *       ______      ___                         __
+ *      / ____/___  /   |  ____  __  ___      __/ /_  ___  ________
+ *     / / __/ __ \/ /| | / __ \/ / / / | /| / / __ \/ _ \/ ___/ _ \
+ *    / /_/ / /_/ / ___ |/ / / / /_/ /| |/ |/ / / / /  __/ /  /  __/
+ *    \____/\____/_/  |_/_/ /_/\__. / |__/|__/_/ /_/\___/_/   \___/
+ *                            /____/
+ *
+ * (C) Copyright 2015 GoAnywhere (http://goanywhere.io).
+ * ----------------------------------------------------------------------
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ * ----------------------------------------------------------------------*/
+package rex
+
+type options struct {
+	debug    bool
+	port     int
+	maxprocs int
+}

rex.go

 var (
 	DefaultMux = New()
 
-	options = struct {
-		debug    bool
-		port     int
-		maxprocs int
-	}{
+	config = &options{
 		debug:    true,
 		port:     5000,
 		maxprocs: runtime.NumCPU(),
 	env.Load(filepath.Join(root, ".env"))
 
 	// cmd arguments
-	flag.BoolVar(&options.debug, "debug", options.debug, "flag to toggle debug mode")
-	flag.IntVar(&options.port, "port", options.port, "port to run the application server")
-	flag.IntVar(&options.maxprocs, "maxprocs", options.maxprocs, "maximum cpu processes to run the server")
+	flag.BoolVar(&config.debug, "debug", config.debug, "flag to toggle debug mode")
+	flag.IntVar(&config.port, "port", config.port, "port to run the application server")
+	flag.IntVar(&config.maxprocs, "maxprocs", config.maxprocs, "maximum cpu processes to run the server")
 
 	flag.Parse()
 }

router.go

 
 // Run starts the application server to serve incoming requests at the given address.
 func (self *Router) Run() {
-	runtime.GOMAXPROCS(options.maxprocs)
+	runtime.GOMAXPROCS(config.maxprocs)
 
 	go func() {
 		time.Sleep(500 * time.Millisecond)
-		Infof("Application server is listening at %d", options.port)
+		Infof("Application server is listening at %d", config.port)
 	}()
 
-	if err := http.ListenAndServe(fmt.Sprintf(":%d", options.port), self); err != nil {
+	if err := http.ListenAndServe(fmt.Sprintf(":%d", config.port), self); err != nil {
 		Fatalf("Failed to start the server: %v", err)
 	}
 }