allow closing log streams, e.g., to free the file handle or to be sure, that...

allow closing log streams, e.g., to free the file handle or to be sure, that it is closed and noone will write into it anymore

Source/UniversalLogging/Private/UniLogBlueprintFunctionLibrary.cpp

@@ -62,3 +62,8 @@ void UUniLogBlueprintFunctionLibrary::ModifyLogStream(const FString StreamName,
   LogStream->SetLogOnScreenOnMaster(bLogOnScreenOnMaster);
   LogStream->SetLogOnScreenOnSlaves(bLogOnScreenOnSlaves);
 }
+
+void UUniLogBlueprintFunctionLibrary::CloseLogStream(const FString StreamName)
+{
+  UniLog.CloseLogStream(StreamName);
+}
\ No newline at end of file

Source/UniversalLogging/Private/UniversalLogging.cpp

@@ -108,6 +108,15 @@ ILogStream* UniversalLoggingImpl::NewLogStream(const FString StreamName, const F
   return Streams[StreamName].Get();
 }
 
+void UniversalLoggingImpl::CloseLogStream(const FString StreamName)
+{
+  if(Streams.Contains(StreamName))
+  {
+    Streams[StreamName]->Close();
+    Streams.Remove(StreamName);
+  }
+}
+
 ILogStream * UniversalLoggingImpl::GetLogStream(const FString StreamName)
 {
   if (Streams.Contains(StreamName))

Source/UniversalLogging/Private/UniversalLogging.h

@@ -25,6 +25,7 @@ public:
   ILogStream* NewLogStream(const FString StreamName, const FString Filepath, const FString Filename,
                            bool bPer_Session = false, const bool bLogOnMaster = true,
                            const bool bLogOnSlaves = false) override;
+  void CloseLogStream(const FString StreamName) override;
   ILogStream* GetLogStream(const FString StreamName) override;
   ILogStream* GetDefaultLogStream() override;
   FString GetSessionIdentifier() override;

Source/UniversalLogging/Public/IUniversalLogging.h

@@ -47,6 +47,12 @@ public:
                                    bool bPer_Session = false, const bool bLogOnMaster = true,
                                    const bool bLogOnSlaves = false) = 0;
 
+  /**
+  * Closes a specific named log stream.
+  * This is done by default when a session stops, but can also be done manually if needed
+  */
+  virtual void CloseLogStream(const FString StreamName) = 0;
+
   /**
   * Getter for log streams.
   *

Source/UniversalLogging/Public/UniLogBlueprintFunctionLibrary.h

@@ -37,4 +37,7 @@ class UUniLogBlueprintFunctionLibrary : public UBlueprintFunctionLibrary
                                 FColor OnScreenBackgroundColor = FColor(0, 0, 0, 128), float OnScreenSize = 1.0,
                                 float OnScreenDuration = 5.0, bool bLogToDefaultLog = false, bool bLogOnScreenOnMaster = true,
                                 bool bLogOnScreenOnSlaves = false);
+
+  UFUNCTION(BlueprintCallable, Category = "UniLog")
+    static void CloseLogStream(const FString StreamName);
 };