Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/src/rocksdb/utilities/checkpoint/checkpoint_impl.h b/src/rocksdb/utilities/checkpoint/checkpoint_impl.h
new file mode 100644
index 000000000..2947330cc
--- /dev/null
+++ b/src/rocksdb/utilities/checkpoint/checkpoint_impl.h
@@ -0,0 +1,66 @@
+//  Copyright (c) 2017-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#pragma once
+#ifndef ROCKSDB_LITE
+
+#include <string>
+
+#include "file/filename.h"
+#include "rocksdb/db.h"
+#include "rocksdb/utilities/checkpoint.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+class CheckpointImpl : public Checkpoint {
+ public:
+  explicit CheckpointImpl(DB* db) : db_(db) {}
+
+  Status CreateCheckpoint(const std::string& checkpoint_dir,
+                          uint64_t log_size_for_flush,
+                          uint64_t* sequence_number_ptr) override;
+
+  Status ExportColumnFamily(ColumnFamilyHandle* handle,
+                            const std::string& export_dir,
+                            ExportImportFilesMetaData** metadata) override;
+
+  // Checkpoint logic can be customized by providing callbacks for link, copy,
+  // or create.
+  Status CreateCustomCheckpoint(
+      std::function<Status(const std::string& src_dirname,
+                           const std::string& fname, FileType type)>
+          link_file_cb,
+      std::function<Status(const std::string& src_dirname,
+                           const std::string& fname, uint64_t size_limit_bytes,
+                           FileType type, const std::string& checksum_func_name,
+                           const std::string& checksum_val,
+                           const Temperature src_temperature)>
+          copy_file_cb,
+      std::function<Status(const std::string& fname,
+                           const std::string& contents, FileType type)>
+          create_file_cb,
+      uint64_t* sequence_number, uint64_t log_size_for_flush,
+      bool get_live_table_checksum = false);
+
+ private:
+  void CleanStagingDirectory(const std::string& path, Logger* info_log);
+
+  // Export logic customization by providing callbacks for link or copy.
+  Status ExportFilesInMetaData(
+      const DBOptions& db_options, const ColumnFamilyMetaData& metadata,
+      std::function<Status(const std::string& src_dirname,
+                           const std::string& fname)>
+          link_file_cb,
+      std::function<Status(const std::string& src_dirname,
+                           const std::string& fname)>
+          copy_file_cb);
+
+ private:
+  DB* db_;
+};
+
+}  // namespace ROCKSDB_NAMESPACE
+
+#endif  // ROCKSDB_LITE