Add possibility to provide version (#46)

System/ICCCComponentStartUpMessageReceiver.go

@@ -29,7 +29,7 @@ func icccComponentStartUpMessageReceiver(data map[string][]string) (result map[s
 		messageData := obj.(SystemMessages.ICCCComponentStartUpMessage)
 
 		// Provide a log entry:
-		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `ICCC message: The external component is now up and ready.`, fmt.Sprintf("ipAddressPort=%s", messageData.IPAddressPort))
+		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `ICCC message: The external component is now up and ready.`, fmt.Sprintf("ipAddressPort=%s", messageData.IPAddressPort), fmt.Sprintf("name=", messageData.Name), fmt.Sprintf("version=", messageData.Version))
 
 		// An answer is necessary:
 		return ICCC.Message2Data("", "", SystemMessages.AnswerACK)

System/ICCCOceanStartUpMessageReceiver.go

@@ -29,7 +29,7 @@ func icccOceanStartUpMessageReceiver(data map[string][]string) (result map[strin
 		messageData := obj.(SystemMessages.ICCCOceanStartUpMessage)
 
 		// Provide a log entry:
-		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `ICCC message: The Ocean server is now up and ready.`, fmt.Sprintf("public server=%s", messageData.PublicIPAddressPort), fmt.Sprintf("admin server=%s", messageData.AdminIPAddressPort))
+		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `ICCC message: The Ocean server is now up and ready.`, fmt.Sprintf("public server=%s", messageData.PublicIPAddressPort), fmt.Sprintf("admin server=%s", messageData.AdminIPAddressPort), fmt.Sprintf("Ocean's version=%s", messageData.OceanVersion))
 
 		// An answer is necessary:
 		return ICCC.Message2Data("", "", SystemMessages.AnswerACK)

System/InitHandlers.go

@@ -11,6 +11,7 @@ import (
 	"github.com/SommerEngineering/Ocean/Log/Web"
 	"github.com/SommerEngineering/Ocean/Robots"
 	"github.com/SommerEngineering/Ocean/StaticFiles"
+	"github.com/SommerEngineering/Ocean/System/Version"
 	"github.com/SommerEngineering/Ocean/WebContent"
 )
 
@@ -58,6 +59,9 @@ func InitHandlers() {
 	// Handler for the web logging:
 	Handlers.AddAdminHandler(`/log`, Web.HandlerWebLog)
 
+	// Handler for the access to Ocean's version:
+	Handlers.AddAdminHandler(`/version`, Version.HandlerVersion)
+
 	// Handler for the file upload:
 	Handlers.AddAdminHandler(`/upload`, Admin.HandlerFileUpload)
 

System/InitSystem.go

@@ -104,7 +104,8 @@ func initSystem() {
 	ICCC.Registrar(ICCC.ChannelICCC, `ICCC::DeleteListener`, ICCC.ICCCDeleteListenerReceiver)
 	ICCC.Registrar(ICCC.ChannelICCC, `ICCC::DeleteHost`, ICCC.ICCCDeleteHostReceiver)
 	ICCC.Registrar(ICCC.ChannelICCC, `ICCC::ListenerUpdate`, ICCC.ICCCListenerUpdateReceiver)
-	ICCC.Registrar(ICCC.ChannelICCC, `ICCC::Ping`, ICCC.ICCCPingReceiver)
+	ICCC.Registrar(ICCC.ChannelICCC, `Ping::Ping`, ICCC.ICCCPingReceiver)
+	ICCC.Registrar(ICCC.ChannelSYSTEM, `System::Version`, ICCC.ICCCGetVersionReceiver)
 	ICCC.Registrar(ICCC.ChannelICCC, `ICCC::GetHosts`, ICCC.ICCCGetHostsReceiver)
 	ICCC.Registrar(ICCC.ChannelICCC, `ICCC::GetListeners`, ICCC.ICCCGetListenersReceiver)
 	ICCC.Registrar(ICCC.ChannelNUMGEN, `NumGen::Next`, NumGen.ICCCNextNumberReceiver)

System/Version/GetVersion.go

@@ -0,0 +1,6 @@
+package Version
+
+// Gets Ocean's version
+func GetVersion() string {
+	return oceansVersion
+}

System/Version/HandlerVersion.go

@@ -0,0 +1,19 @@
+package Version
+
+import (
+	"fmt"
+	"github.com/SommerEngineering/Ocean/Shutdown"
+	"net/http"
+)
+
+// Handler for the access to Ocean's version
+func HandlerVersion(response http.ResponseWriter, request *http.Request) {
+
+	// Case: The system goes down now?
+	if Shutdown.IsDown() {
+		http.NotFound(response, request)
+		return
+	}
+
+	fmt.Fprintf(response, "%s", oceansVersion)
+}

System/Version/Variables.go

@@ -0,0 +1,5 @@
+package Version
+
+var (
+	oceansVersion string = `2.0.0` // Ocean's current version
+)