New upstream version 8.1.0

meta/source/toolkit/StorageTkEx.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <app/config/Config.h>
+#include <common/Common.h>
+#include <common/storage/Path.h>
+#include <common/threading/Mutex.h>
+#include <common/toolkit/MetaStorageTk.h>
+#include <common/toolkit/StorageTk.h>
+
+#include <dirent.h>
+
+
+/*
+ * Note: Some inliners are in Commons MetaStoreTk::
+ */
+
+#define STORAGETK_FORMAT_MIN_VERSION        3
+#define STORAGETK_FORMAT_CURRENT_VERSION    4
+
+// forward declarations
+class DirInode;
+class FileInode;
+
+class StorageTkEx
+{
+   public:
+      static bool createStorageFormatFile(const std::string pathStr);
+      static void checkStorageFormatFile(const std::string pathStr);
+
+      static FhgfsOpsErr getContDirIDsIncremental(unsigned hashDirNum, bool buddyMirrored,
+         int64_t lastOffset, unsigned maxOutEntries, StringList* outContDirIDs,
+         int64_t* outNewOffset);
+      static bool getNextContDirID(unsigned hashDirNum, bool buddyMirrored, int64_t lastOffset,
+         std::string* outID, int64_t* outNewOffset);
+
+   private:
+      StorageTkEx()
+      {
+      }
+
+
+   public:
+
+      // inliners
+
+      static std::string getMetaInodeHashDir(const std::string entriesPath,
+         unsigned firstLevelhashDirNum, unsigned secondLevelhashDirNum)
+      {
+         return entriesPath + "/" + StringTk::uintToHexStr(firstLevelhashDirNum) + "/"
+            + StringTk::uintToHexStr(secondLevelhashDirNum);
+      }
+
+      static std::string getMetaDentriesHashDir(const std::string structurePath,
+         unsigned firstLevelhashDirNum, unsigned secondLevelhashDirNum)
+      {
+         return structurePath + "/" + StringTk::uintToHexStr(firstLevelhashDirNum) + "/"
+            + StringTk::uintToHexStr(secondLevelhashDirNum);
+      }
+};
+