Parsing and error logging complete

Source/FPSTemplate/Private/Game/ShooterGameMode.cpp

@@ -29,28 +29,23 @@ void AShooterGameMode::InitGame(const FString& MapName, const FString& Options,
 {
 	Super::InitGame(MapName, Options, ErrorMessage);
 	CachedCommandLine = FCommandLine::Get();
-	GameLiftConfig.ServerPort = cmdlineparser::details::GetConfiguredOrDefaultPort(CachedCommandLine, "port");
+	GameLiftConfig.ServerPort = cmdlineparser::details::GetConfiguredOrDefaultPort(CachedCommandLine, TEXT("port"));
-	if (FParse::Param(*CachedCommandLine, TEXT("-glAnywhereFleet")))
+	if (FParse::Param(*CachedCommandLine, TEXT("glAnywhereFleet")))
 	{
-		GameLiftConfig.bIsAnywhereFleet = true;
+		UE_LOGFMT(LogShooterGameMode, Log, "Fleet type: Anywhere");
+		GameLiftConfig.bAllOptionsFound = GetAnywhereFleetParameters(CachedCommandLine);
+		LogAnywhereFleetParameters();
 	}
 	else
 	{
-		GameLiftConfig.bIsAnywhereFleet = false;
+		UE_LOGFMT(LogShooterGameMode, Log, "Fleet type: EC2");
-	}
+		// TODO: EC2 configuration
-	
-	if (GameLiftConfig.bIsAnywhereFleet)
-	{
-		GetAnywhereFleetParameters(CachedCommandLine);
-		LogAnywhereFleetParameters();
 	}
 }
 
 FString AShooterGameMode::GetSHA256Hash(const FString& InString)
 {
 	
-//	if (InString.IsEmpty()) return TEXT("da39a3ee5e6b4b0d3255bfef95601890afd80709");
-
 	if (InString.IsEmpty()) 
 		return TEXT("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
 
@@ -69,99 +64,133 @@ FString AShooterGameMode::GetSHA256Hash(const FString& InString)
 	SHA256_Final(Hash.Signature, &Sha256Context);
 	
 	return Hash.ToString();
-	
-	
-	
-	
-	
-	
-/*	
-	FSHA1 Sha;
-	FTCHARToUTF8 Utf8(InString);
-	Sha.Update((uint8*)Utf8.Get(), Utf8.Length() * sizeof(UTF8CHAR));
-	Sha.Final();
-	uint8 Hash[FSHA1::DigestSize];
-	Sha.GetHash(Hash);
-    
-	// 40-char hex (SHA1 = 160 bits)
-	return FString::Printf(TEXT("%08X%08X%08X%08X%08X"), 
-		Hash[0], Hash[1], Hash[2], Hash[3], Hash[4]);
-*/
 }
 
 void AShooterGameMode::InitGameLift()
 {
-	GetAnywhereFleetParameters(CachedCommandLine);
 }
 
-bool AShooterGameMode::GetAnywhereFleetParameters(FString CommandLineString)
+bool AShooterGameMode::GetAnywhereFleetParameters(const FString& CommandLineString)
 {
 	bool bAllAnywhereFleetParametersValid = true;
-	cmdlineparser::details::FParseResult AuthResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::AuthToken);
+	GameLiftConfig.AuthTokenResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::AuthToken);
-	if (AuthResult.bIsValid)
+	if (!GameLiftConfig.AuthTokenResult.bIsValid) bAllAnywhereFleetParametersValid = false;
-	{
-		GameLiftConfig.AuthToken = AuthResult.Value;
-#if UE_BUILD_DEBUG	
-		UE_LOGFMT(LogShooterGameMode, Log, "AuthToken loaded: {0}", GameLiftConfig.AuthToken);
-#else
-		UE_LOGFMT(LogShooterGameMode, Log, "AuthToken loaded: HASH - {0}", GetSHA256Hash(GameLiftConfig.AuthToken));
-#endif
-		
-	}
-	else
-	{
-		bAllAnywhereFleetParametersValid = false;
-#if UE_BUILD_DEBUG
-		UE_LOGFMT(LogShooterGameMode, Error, "AuthToken Invalid: {0}", GameLiftConfig.AuthToken);
-#else
-		UE_LOGFMT(LogShooterGameMode, Error, "AuthToken Invalid: HASH - {0}", GetSHA256Hash(GameLiftConfig.AuthToken));
-#endif
-	}
 	
-	cmdlineparser::details::FParseResult HostIdResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::HostId);
+	GameLiftConfig.FleetIdResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::FleetId);
-	if (HostIdResult.bIsValid)
+	if (!GameLiftConfig.FleetIdResult.bIsValid) bAllAnywhereFleetParametersValid = false;
-	{
-		GameLiftConfig.HostId = HostIdResult.Value;
-		UE_LOGFMT(LogShooterGameMode, Log, "HostId loaded: {0}", GameLiftConfig.HostId);
-	}
-	else
-	{
-		bAllAnywhereFleetParametersValid = false;
-		UE_LOGFMT(LogShooterGameMode, Error, "HostId Invalid: {0}", HostIdResult.Value);
-	}
 	
-	cmdlineparser::details::FParseResult FleetIdResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::FleetId);
+	GameLiftConfig.HostIdResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::HostId);
-	if (FleetIdResult.bIsValid)
+	if (!GameLiftConfig.HostIdResult.bIsValid) bAllAnywhereFleetParametersValid = false;
-	{
+
-		GameLiftConfig.FleetId = FleetIdResult.Value;
+	GameLiftConfig.WebSocketUrlResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::WebsocketUrl);
-		UE_LOGFMT(LogShooterGameMode, Log, "FleetId loaded: {0}", FleetIdResult.Value);
+	if (!GameLiftConfig.WebSocketUrlResult.bIsValid) bAllAnywhereFleetParametersValid = false;
-	}
-	else
-	{
-		bAllAnywhereFleetParametersValid = false;
-		UE_LOGFMT(LogShooterGameMode, Error, "FleetId Invalid: {0}", GameLiftConfig.HostId);
-	}
 	
-	cmdlineparser::details::FParseResult WebSocketUrlResult = cmdlineparser::GetValueOfToken(CommandLineString, cmdlineparser::details::EAvailableTokens::WebsocketUrl);
-	if (WebSocketUrlResult.bIsValid)
-	{
-		GameLiftConfig.WebSocketUrl = WebSocketUrlResult.Value;
-		UE_LOGFMT(LogShooterGameMode, Log, "WebSocketUrl loaded: {0}", WebSocketUrlResult.Value);
-	}
-	else
-	{
-		bAllAnywhereFleetParametersValid = false;
-		UE_LOGFMT(LogShooterGameMode, Error, "WebSocketUrl Invalid: {0}", WebSocketUrlResult.Value);
-	}
 	return bAllAnywhereFleetParametersValid;
 }
 
 void AShooterGameMode::LogAnywhereFleetParameters()
 {
+	// Lambda for getting the token name from token
+	auto GetTokenName = [](const cmdlineparser::details::FParseResult& Result) -> FString
+	{
+		return cmdlineparser::details::CLI_TOKENS[static_cast<int32>(Result.Token)];
+	};
+	
+#if UE_BUILD_DEBUG
+	const FString AuthDisplay = GameLiftConfig.AuthTokenResult.Value;
+#else
+	const FString AuthDisplay = TEXT("HASH:") + GetSHA256Hash(GameLiftConfig.AuthTokenResult.Value);
+#endif
+	
 	UE_LOGFMT(LogShooterGameMode, Log, "Anywhere Fleet Parameters:");
-	UE_LOGFMT(LogShooterGameMode, Log, "AuthToken: {0}", GameLiftConfig.AuthToken);
+	if (GameLiftConfig.AuthTokenResult.bIsValid)
-	UE_LOGFMT(LogShooterGameMode, Log, "FleetId: {0}", GameLiftConfig.FleetId);
+	{
-	UE_LOGFMT(LogShooterGameMode, Log, "HostId: {0}", GameLiftConfig.HostId);
+		UE_LOGFMT(LogShooterGameMode, Log, "AuthToken: {0}", AuthDisplay);
-	UE_LOGFMT(LogShooterGameMode, Log, "WebsocketUrl: {0}", GameLiftConfig.WebSocketUrl);
+	}
+	else
+	{
+		UE_LOGFMT(
+			LogShooterGameMode, 
+			Error, 
+			"AuthToken: {0}", 
+			FString::Format(
+				*GameLiftConfig.AuthTokenResult.ErrorMessage, 
+				{
+					FStringFormatArg(GetTokenName(GameLiftConfig.AuthTokenResult)), 
+					FStringFormatArg(AuthDisplay)
+				}
+			)
+		);
+	}
+	
+	if (GameLiftConfig.FleetIdResult.bIsValid)
+	{
+		UE_LOGFMT(LogShooterGameMode, Log, "FleetId: {0}", GameLiftConfig.FleetIdResult.Value);
+	}
+	else
+	{
+		UE_LOGFMT(
+			LogShooterGameMode, 
+			Error, 
+			"FleetId: {0}", 
+			FString::Format(
+				*GameLiftConfig.FleetIdResult.ErrorMessage, 
+				{
+					FStringFormatArg(GetTokenName(GameLiftConfig.FleetIdResult)), 
+					FStringFormatArg(GameLiftConfig.FleetIdResult.Value)
+				}
+			)
+		);
+	}
+	
+	if (GameLiftConfig.HostIdResult.bIsValid)
+	{
+		UE_LOGFMT(LogShooterGameMode, Log, "HostId: {0}", GameLiftConfig.HostIdResult.Value);
+	}
+	else
+	{
+		UE_LOGFMT(
+			LogShooterGameMode, 
+			Error, 
+			"HostId: {0}", 
+			FString::Format(
+				*GameLiftConfig.HostIdResult.ErrorMessage, 
+				{
+					FStringFormatArg(GetTokenName(GameLiftConfig.HostIdResult)), 
+					FStringFormatArg(GameLiftConfig.HostIdResult.Value)
+				}
+			)
+		);
+	}
+	
+	if (GameLiftConfig.WebSocketUrlResult.bIsValid)
+	{
+		UE_LOGFMT(LogShooterGameMode, Log, "WebSocketUrl: {0}", GameLiftConfig.WebSocketUrlResult.Value);
+	}
+	else
+	{
+		UE_LOGFMT(
+			LogShooterGameMode, 
+			Error, 
+			"WebSocketUrl: {0}", 
+			FString::Format(
+				*GameLiftConfig.WebSocketUrlResult.ErrorMessage, 
+				{
+					FStringFormatArg(GetTokenName(GameLiftConfig.WebSocketUrlResult)), 
+					FStringFormatArg(GameLiftConfig.WebSocketUrlResult.Value)
+				}
+			)
+		);
+	}
+	
 	UE_LOGFMT(LogShooterGameMode, Log, "Server Port: {0}", GameLiftConfig.ServerPort);
-}
+	
+	if (GameLiftConfig.bAllOptionsFound)
+	{
+		UE_LOGFMT(LogShooterGameMode, Log, "Anywhere Fleet Parameters Loaded Successfully....");
+	}
+	else
+	{
+		UE_LOGFMT(LogShooterGameMode, Error, "Anywhere Fleet Parameters Load FAILED....");
+	}
+}

Source/FPSTemplate/Private/GameLift/GameLiftClp.cpp

@@ -40,10 +40,17 @@ cmdlineparser::details::FParseResult cmdlineparser::GetValueOfToken(const FStrin
 		}
 		else
 		{
-			//  TODO: Validation of inputs
+			if (details::DoesRegExMatch(ValueOfToken, details::REGEX_PATTERNS[static_cast<int32>(Token)]))
+			{
+				Result.ErrorCode = details::EErrorCodes::NoError;
+            	Result.bIsValid = true;	
+			}
+			else
+			{
+				Result.ErrorCode = details::EErrorCodes::FailedValidation;
+				Result.bIsValid = false;
+			}
 			Result.Value = ValueOfToken;
-			Result.ErrorCode = details::EErrorCodes::NoError;
-			Result.bIsValid = true;
 		}
 	}
 	
@@ -51,7 +58,9 @@ cmdlineparser::details::FParseResult cmdlineparser::GetValueOfToken(const FStrin
 	FString ErrorMessage = details::ERROR_MESSAGES[static_cast<int32>(Result.ErrorCode)];
 	FString TokenName = details::CLI_TOKENS[static_cast<int32>(Result.Token)];
 	FString Value = Result.Value;
-	Result.ErrorMessage = FString::Format(*ErrorMessage, {FStringFormatArg(TokenName), FStringFormatArg(Value)});
+//	Result.ErrorMessage = FString::Format(*ErrorMessage, {FStringFormatArg(TokenName), FStringFormatArg(Value)});
+	Result.ErrorMessage = ErrorMessage;
+	
 	return Result;
 }
 
@@ -75,4 +84,11 @@ int32 cmdlineparser::details::GetConfiguredOrDefaultPort(const FString& CommandL
 		}
 	}
 	return Port;
-}
+}
+
+bool cmdlineparser::details::DoesRegExMatch(const FString& Text, const FString& Pattern)
+{
+	const FRegexPattern RegexPattern(Pattern);
+	FRegexMatcher Matcher(RegexPattern, Text);
+	return Matcher.FindNext();
+}

Source/FPSTemplate/Private/GameLiftClpTypes.cpp

@@ -6,7 +6,7 @@ const TArray<FString>& cmdlineparser::details::ERROR_MESSAGES = []() -> const TA
 	Error_Messages.Add(TEXT("VALID: {0}: {1}"));
 	Error_Messages.Add(TEXT("INVALID TOKEN: [-{0}=] not found in command line arguments"));
 	Error_Messages.Add(TEXT("EMPTY VALUE: [-{0}=] found.  No value assigned"));
-	Error_Messages.Add(TEXT("VALIDATION FAILED: [-{0}=] found....  Value: [-{1}=]"));
+	Error_Messages.Add(TEXT("VALIDATION FAILED: [-{0}=] found....  Value: [{1}]"));
 	return Error_Messages;
 }();
 
@@ -19,4 +19,14 @@ const TArray<FString>& cmdlineparser::details::CLI_TOKENS = []() -> const TArray
 	Cli_Tokens.Add(TEXT("fleetid"));
 	Cli_Tokens.Add(TEXT("websocketurl"));
 	return Cli_Tokens;
+}();
+
+const TArray<FString>& cmdlineparser::details::REGEX_PATTERNS = []() -> const TArray<FString>&
+{
+	static TArray<FString> Cli_Tokens;
+	Cli_Tokens.Add(TEXT("^[a-zA-Z0-9\\-]+$"));
+	Cli_Tokens.Add(TEXT("^[a-zA-Z0-9][a-zA-Z0-9\\-]{0,62}[a-zA-Z0-9]?$"));
+	Cli_Tokens.Add(TEXT("^[a-z]*fleet-[a-zA-Z0-9\\-]+$|^arn:.*:[a-z]*fleet\\/[a-z]*fleet-[a-zA-Z0-9\\-]+$"));
+	Cli_Tokens.Add(TEXT("^wss://[a-z0-9-]+(\\.[a-z0-9-]+)*\\.api\\.amazongamelift\\.com(:[0-9]+)?/?$"));
+	return Cli_Tokens;
 }();

Source/FPSTemplate/Public/Game/ShooterGameMode.h

@@ -3,6 +3,7 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "GameLiftClpTypes.h"
 #include "ShooterGameModeBase.h"
 #include "ShooterGameMode.generated.h"
 
@@ -13,24 +14,14 @@ struct FServerParameters;
 
 struct FGameLiftConfig
 {
-	bool bDebugMode = false;
+	bool bAllOptionsFound = false;
-	bool bIsAnywhereFleet = false;
-	bool bIsCriticalError = false;
 	
-	int32 ServerPort;
+	int32 ServerPort = 7777;
 	
-	FString AuthToken;
+	cmdlineparser::details::FParseResult AuthTokenResult;
-	FString FleetId;
+	cmdlineparser::details::FParseResult FleetIdResult;
-	FString HostId;
+	cmdlineparser::details::FParseResult HostIdResult;
-	FString WebSocketUrl;
+	cmdlineparser::details::FParseResult WebSocketUrlResult;
-	FString ServerRegion;
-};
-
-enum ETokenStatus : uint8
-{
-	Found,
-	NotFoundRequired,
-	NotFoundNotRequired
 };
 
 /**
@@ -55,6 +46,6 @@ private:
 	static FString GetSHA256Hash(const FString& CommandLineString);
 	void InitGameLift();
 	
-	bool GetAnywhereFleetParameters(FString CommandLineString);
+	bool GetAnywhereFleetParameters(const FString& CommandLineString);
 	void LogAnywhereFleetParameters();
 };

Source/FPSTemplate/Public/GameLift/GameLiftClp.h

@@ -19,5 +19,6 @@ namespace cmdlineparser::details
 		
 	FString EnsureEndsWith(const FString& Token, const TCHAR* Suffix);
 	int32 GetConfiguredOrDefaultPort(const FString& CommandLine, const FString& Token);
+	bool DoesRegExMatch(const FString& Text, const FString& Pattern);
 }
 

Source/FPSTemplate/Public/GameLiftClpTypes.h

@@ -22,6 +22,7 @@ namespace cmdlineparser::details
 	
 	extern const TArray<FString>& ERROR_MESSAGES;
 	extern const TArray<FString>& CLI_TOKENS;
+	extern const TArray<FString>& REGEX_PATTERNS;
 	
 	struct FParseResult
 	{