Added BasicFile::StreamFile helper function to support reading large files in a chunked fashion (will be using memory-mapped strategy in the future where it makes sense)

1 files changed, 4 insertions, 2 deletions

diff --git a/zenstore/include/zenstore/basicfile.h b/zenstore/include/zenstore/basicfile.h
index 0daa5d39f..a5874cfe4 100644
--- a/zenstore/include/zenstore/basicfile.h
+++ b/zenstore/include/zenstore/basicfile.h
@@ -8,6 +8,7 @@
 #include <zencore/windows.h>
 
 #include <filesystem>
+#include <functional>
 
 namespace zen {
 
@@ -28,8 +29,9 @@ public:
 	void	 Open(std::filesystem::path FileName, bool IsCreate);
 	void	 Open(std::filesystem::path FileName, bool IsCreate, std::error_code& Ec);
 	void	 Close();
-	void	 Read(void* Data, uint64_t Size, uint64_t Offset);
-	void	 Write(const void* Data, uint64_t Size, uint64_t Offset);
+	void	 Read(void* Data, uint64_t Size, uint64_t FileOffset);
+	void	 StreamFile(std::function<void(const void* Data, uint64_t Size)>&& ChunkFun);
+	void	 Write(const void* Data, uint64_t Size, uint64_t FileOffset);
 	void	 Flush();
 	uint64_t FileSize();
 	void*	 Handle() { return m_FileHandle; }