Adding support for config path and config file

main.go

@@ -19,10 +19,13 @@ import (
 )
 
 var (
+	logfile    = "stdout"
+	configPath = "./"
+	configFile = "go-rvpn-server.yaml"
+
 	loginfo                  *log.Logger
 	logdebug                 *log.Logger
 	logFlags                 = log.Ldate | log.Lmicroseconds | log.Lshortfile
-	logfile                  = "stdout"
 	argWssClientListener     string
 	argGenericBinding        int
 	argServerBinding         string
@@ -42,6 +45,9 @@ var (
 
 func init() {
 	flag.StringVar(&logfile, "log", logfile, "Log file (or stdout/stderr; empty for none)")
+	flag.StringVar(&configPath, "config-path", configPath, "Configuration File Path")
+	flag.StringVar(&configFile, "config-file", configFile, "Configuration File Name")
+
 }
 
 var logoutput io.Writer
@@ -71,7 +77,7 @@ func main() {
 	loginfo = log.New(logoutput, "INFO: main: ", logFlags)
 	logdebug = log.New(logoutput, "DEBUG: main:", logFlags)
 
-	viper.SetConfigName("go-rvpn-server")
+	viper.SetConfigName(configPath)
 	viper.AddConfigPath("./")
 	err := viper.ReadInConfig()
 	if err != nil {

rvpn/genericlistener/setup.go

@@ -1,12 +1,13 @@
 package genericlistener
 
 import (
+	"io"
 	"log"
 	"os"
-	"runtime"
 )
 
 var (
+	//Logoutput -- passing the output writer from main
 	loginfo      *log.Logger
 	logdebug     *log.Logger
 	logFlags     = log.Ldate | log.Lmicroseconds | log.Lshortfile
@@ -16,8 +17,13 @@ var (
 func init() {
 	loginfo = log.New(os.Stdout, "INFO: genericlistener: ", logFlags)
 	logdebug = log.New(os.Stdout, "DEBUG: genericlistener:", logFlags)
-	pc, _, _, _ := runtime.Caller(0)
-	loginfo.Println(runtime.FuncForPC(pc).Name())
-
 	connectionID = 0
 }
+
+//InitLogging -- after main sets up output, it will init all packages InitLogging
+//I am sure I am doing this wrong, but I could not find a way to have package level
+//logging with the flags I wanted and the ability to run lumberjack file management
+func InitLogging(logoutput io.Writer) {
+	loginfo.SetOutput(logoutput)
+
+}