Basic parsing completed, next step is to refactor the InitGame function.

Source/FPSTemplate/Private/Game/ShooterGameMode.cpp

@@ -20,13 +20,14 @@ void AShooterGameMode::BeginPlay()
 	Super::BeginPlay();
 	
 #if WITH_GAMELIFT
-//	InitGameLift();
+	InitGameLift();
 #endif
 }
 
 void AShooterGameMode::InitGame(const FString& MapName, const FString& Options, FString& ErrorMessage)
 {
 	Super::InitGame(MapName, Options, ErrorMessage);
+	UE_LOG(LogShooterGameMode, Log, TEXT("[%s] Parsing CLI"), *FDateTime::UtcNow().ToString(TEXT("%Y%m%d-%H%M%S")));
 	CachedCommandLine = FCommandLine::Get();
 	bool bIsCriticalError = false;
 	
@@ -36,7 +37,9 @@ void AShooterGameMode::InitGame(const FString& MapName, const FString& Options,
 	if (bDebugMode)
 	{
 		UE_LOG(LogShooterGameMode, Log, TEXT("Debug mode: ENABLED"));
+#if UE_BUILD_DEBUG		
 		UE_LOG(LogShooterGameMode, Log, TEXT("Command Line Arguments: %s"), *CachedCommandLine);
+#endif
 	}
 	
 	ServerPort = GetConfiguredOrDefaultPort();
@@ -49,55 +52,94 @@ void AShooterGameMode::InitGame(const FString& MapName, const FString& Options,
 		
 		if (!FParse::Value(*CachedCommandLine, TEXT("fleetID="), FleetId))
 		{
-			UE_LOG(LogShooterGameMode, Error, TEXT(">>>FleetId Missing in Command Line"));
+			UE_LOG(LogShooterGameMode, Error, TEXT("FleetId Missing in Command Line"));
 			bIsCriticalError = true;
 		}
 		else
 		{
-			UE_LOG(LogShooterGameMode, Log, TEXT(">>>Fleet ID: %s"), *FleetId);
+			UE_LOG(LogShooterGameMode, Log, TEXT("Fleet ID: %s"), *FleetId);
 		}
 		
 		if (!FParse::Value(*CachedCommandLine, TEXT("authtoken="), AuthToken))
 		{
-			UE_LOG(LogShooterGameMode, Error, TEXT(">>>AuthToken Missing in Command Line"));
+			UE_LOG(LogShooterGameMode, Error, TEXT("AuthToken Missing in Command Line"));
 			bIsCriticalError = true;
 		}
 		else
 		{
 			if (bDebugMode)
 			{
-				UE_LOG(LogShooterGameMode, Log, TEXT(">>>AuthToken: %s"), *AuthToken);
+				FString TokenHash = GetSHA256Hash(AuthToken);
+				UE_LOG(LogShooterGameMode, Log, TEXT("AuthToken: %s"), *TokenHash);
 			}
 			else
 			{
-				UE_LOG(LogShooterGameMode, Log, TEXT(">>>AuthToken Length: %d"), AuthToken.Len());
+				UE_LOG(LogShooterGameMode, Log, TEXT("AuthToken Length: %d"), AuthToken.Len());
 			}
 		}
 		if (!FParse::Value(*CachedCommandLine, TEXT("hostId="), HostId))
 		{
-			UE_LOG(LogShooterGameMode, Error, TEXT(">>>HostId Missing in Command Line"));
+			UE_LOG(LogShooterGameMode, Error, TEXT("HostId Missing in Command Line"));
-			bIsCriticalError = true;
-		}
-		{
-			UE_LOG(LogShooterGameMode, Log, TEXT(">>>Host ID: %s"), *HostId);
-		}
-		if (!FParse::Value(*CachedCommandLine, TEXT("websocketUrl="), WebSocketUrl))
-		{
-			UE_LOG(LogShooterGameMode, Error, TEXT(">>>WebSocketUrl Missing in Command Line"));
 			bIsCriticalError = true;
 		}
 		else
 		{
-			UE_LOG(LogShooterGameMode, Log, TEXT(">>>Websocket URL: %s"), *WebSocketUrl);
+			UE_LOG(LogShooterGameMode, Log, TEXT("Host ID: %s"), *HostId);
+		}
+		if (!FParse::Value(*CachedCommandLine, TEXT("websocketUrl="), WebSocketUrl))
+		{
+			UE_LOG(LogShooterGameMode, Error, TEXT("WebSocketUrl Missing in Command Line"));
+			bIsCriticalError = true;
+		}
+		else
+		{
+			UE_LOG(LogShooterGameMode, Log, TEXT("Websocket URL: %s"), *WebSocketUrl);
+			
+			bool bValidWebSocket = WebSocketUrl.StartsWith(TEXT("wss://")) || WebSocketUrl.StartsWith(TEXT("ws://"));
+
+			if (bValidWebSocket)
+			{
+				int32 ColonPos = WebSocketUrl.Find(TEXT(":"), ESearchCase::CaseSensitive);
+				int32 SlashPos = WebSocketUrl.Find(TEXT("/"), ESearchCase::CaseSensitive, ESearchDir::FromStart, ColonPos + 1);
+    
+				int32 ParsedPort = 443;  // Default wss
+				if (WebSocketUrl.StartsWith(TEXT("ws://"))) ParsedPort = 80;
+    
+				if (ColonPos != INDEX_NONE && SlashPos != INDEX_NONE)
+				{
+					FString PortStr = WebSocketUrl.Mid(ColonPos + 1, SlashPos - ColonPos - 1);
+					int32 ExplicitPort = FCString::Atoi(*PortStr);
+					if (ExplicitPort > 1024 && ExplicitPort <= 65535)  // Privileged ports OK for servers
+					{
+						ParsedPort = ExplicitPort;
+					}
+					else
+					{
+						bValidWebSocket = false;  // Invalid explicit port
+					}
+				}
+    
+				UE_LOG(LogShooterGameMode, Log, TEXT("WebSocket Parsed Port: %d"), ParsedPort);
+			}
+
+			if (!bValidWebSocket)
+			{
+				UE_LOG(LogShooterGameMode, Error, TEXT("Invalid WebSocketUrl: %s"), *WebSocketUrl);
+				bIsCriticalError = true;
+			}
 		}
 		if (ServerPort == 0)
 		{
-			UE_LOG(LogShooterGameMode, Error, TEXT("Invalid or Missing Server Port Number."));
+			UE_LOG(LogShooterGameMode, Error, TEXT("Invalid or Missing Server Port Number. Shutting Down."));
 			bIsCriticalError = true;
 		}
+		else
+		{
+			UE_LOG(LogShooterGameMode, Log, TEXT("Port: %d"), ServerPort);
+		}
 		if (!FParse::Value(*CachedCommandLine, TEXT("serverRegion="), ServerRegion))
 		{
-			UE_LOG(LogShooterGameMode, Error, TEXT(">>>ServerRegion Missing in Command Line"));
+			UE_LOG(LogShooterGameMode, Warning, TEXT("ServerRegion Missing in Command Line"));
 		}
 		else
 		{
@@ -114,6 +156,10 @@ void AShooterGameMode::InitGame(const FString& MapName, const FString& Options,
 			UE_LOG(LogShooterGameMode, Error, TEXT("Invalid or Missing Server Port Number. Shutting Down."));
 			bIsCriticalError = true;
 		}
+		else
+		{
+			UE_LOG(LogShooterGameMode, Log, TEXT("Port: %d"), ServerPort);
+		}
 	}
 	
 	if (bIsCriticalError)
@@ -138,7 +184,7 @@ int32 AShooterGameMode::GetConfiguredOrDefaultPort() const
 	int32 CmdPort = 0;
 	if (FParse::Value(*CachedCommandLine, TEXT("port="), CmdPort))
 	{
-		if (CmdPort > 0 && CmdPort <= 65535)
+		if (CmdPort > 1024 && CmdPort <= 65535)
 		{
 			Port = CmdPort;
 		}
@@ -150,3 +196,19 @@ int32 AShooterGameMode::GetConfiguredOrDefaultPort() const
 	return Port;
 }
 
+FString AShooterGameMode::GetSHA256Hash(const FString& Input)
+{
+	FTCHARToUTF8 Utf8Input(Input);
+	FSHA256Signature Hash;
+	if (FPlatformMisc::GetSHA256Signature(reinterpret_cast<const uint8*>(Utf8Input.Get()), Utf8Input.Length(), Hash))
+	{
+		return Hash.ToString();
+	}
+	return FString::Printf(TEXT("Fail_%dbytes"), Input.Len());
+}
+
+void AShooterGameMode::InitGameLift()
+{
+	//TODO: Need to write later, working on parser first.
+}
+

Source/FPSTemplate/Public/Game/ShooterGameMode.h

@@ -58,6 +58,7 @@ private:
 	TSharedPtr<FServerParameters> ServerParameters;
 	
 	int32 GetConfiguredOrDefaultPort() const;
+	static FString GetSHA256Hash(const FString& Input);
 	
 #if WITH_GAMELIFT
 	void InitGameLift();