Initial commit of Ocean's local development

Shutdown/Check.go

@@ -0,0 +1,6 @@
+package Shutdown
+
+func IsDown() (result bool) {
+	result = stopAllRequests
+	return
+}

Shutdown/Init.go

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+package Shutdown
+
+import "container/list"
+import "os/signal"
+import "os"
+
+func InitShutdown() {
+	shutdownHandlers = list.New()
+
+	// Apply the shutdown handler:
+	signal.Notify(shutdownSignal, os.Interrupt, os.Kill)
+	go executeShutdown()
+}

Shutdown/Shutdown.go

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+package Shutdown
+
+import "os"
+import "github.com/SommerEngineering/Ocean/Log"
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+type ShutdownHandler interface {
+	Shutdown()
+}
+
+func AddShutdownHandler(handler ShutdownHandler) {
+	shutdownHandlers.PushBack(handler)
+}
+
+func executeShutdown() {
+	sig := <-shutdownSignal
+	stopAllRequests = true
+
+	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()
+	}
+
+	Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelWARN, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameSHUTDOWN, `The system is shutting down now.`)
+	Log.Flush()
+
+	os.Exit(6)
+}

Shutdown/Variables.go

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+package Shutdown
+
+import "os"
+import "container/list"
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+var (
+	shutdownSignal   chan os.Signal = make(chan os.Signal)
+	shutdownHandlers *list.List     = nil
+	senderName       LM.Sender      = `System::Shutdown`
+	stopAllRequests  bool           = false
+)