Misc.

+ Removed the fixed shutdown time
+ Added the configuration for the public web server
+ Refactored the old web server settings
+ Improved the handling of shutdown handlers. It is not save!
+ Bugfix: The server start was no longer blocking

Shutdown/Shutdown.go

@@ -1,6 +1,8 @@
 package Shutdown
 
 import (
+	"container/list"
+	"fmt"
 	"github.com/SommerEngineering/Ocean/Log"
 	LM "github.com/SommerEngineering/Ocean/Log/Meta"
 	"os"
@@ -20,12 +22,22 @@ func executeShutdown() {
 
 	Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelWARN, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameSHUTDOWN, `The system was called to shutting down.`, sig.String(), `Call now all shutdown handlers.`)
 	for handler := shutdownHandlers.Front(); handler != nil; handler = handler.Next() {
-		h := handler.Value.(ShutdownHandler)
-		h.Shutdown()
+		safeCall(handler)
 	}
 
 	Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelWARN, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameSHUTDOWN, `The system is shutting down now.`)
 	Log.Flush()
-
-	os.Exit(6)
+	os.Exit(0)
+}
+
+func safeCall(handler *list.Element) {
+	defer func() {
+		if err := recover(); err != nil {
+			errObj := fmt.Errorf("%v", err)
+			Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.SeverityNone, LM.ImpactNone, LM.MessageNameSHUTDOWN, `An error occurs for a shutdown handler.`, errObj.Error())
+		}
+	}()
+
+	h := handler.Value.(ShutdownHandler)
+	h.Shutdown()
 }