add logging back to config, move logging server start to main package

config/main.go

@@ -2,10 +2,13 @@ package config
 
 import (
 	"os"
+
+	"github.com/bcicen/ctop/logging"
 )
 
 var (
 	Global     = NewDefaultConfig()
+	log        = logging.Init()
 	configChan = make(chan ConfigMsg)
 )
 
@@ -17,7 +20,7 @@ type ConfigMsg struct {
 }
 
 func Update(k, v string) {
-	//log.Noticef("config update: %s = %s", k, v)
+	log.Noticef("config update: %s = %s", k, v)
 	configChan <- ConfigMsg{k, v}
 }
 

logging/main.go

@@ -28,7 +28,7 @@ type CTopLogger struct {
 	backend *logging.MemoryBackend
 }
 
-func Init(serverEnabled string) *CTopLogger {
+func Init() *CTopLogger {
 	if Log == nil {
 		Log = &CTopLogger{
 			logging.MustGetLogger("ctop"),
@@ -38,10 +38,6 @@ func Init(serverEnabled string) *CTopLogger {
 		backendFmt := logging.NewBackendFormatter(Log.backend, format)
 		logging.SetBackend(backendFmt)
 		Log.Notice("logger initialized")
-
-		if serverEnabled == "1" {
-			Log.Serve()
-		}
 	}
 	return Log
 }
@@ -51,7 +47,7 @@ func (log *CTopLogger) Exit() {
 	wg.Wait()
 }
 
-func (log *CTopLogger) Serve() {
+func (log *CTopLogger) StartServer() {
 	ln, err := net.Listen("unix", path)
 	if err != nil {
 		panic(err)

main.go

@@ -9,7 +9,10 @@ import (
 var log *logging.CTopLogger
 
 func main() {
-	log = logging.Init(config.Global["loggingEnabled"])
+	log = logging.Init()
+	if config.Global["loggingEnabled"] == "1" {
+		log.StartServer()
+	}
 	if err := ui.Init(); err != nil {
 		panic(err)
 	}