1 files changed, 82 insertions, 0 deletions
diff --git a/src/rocksdb/db/event_helpers.h b/src/rocksdb/db/event_helpers.h
new file mode 100644
index 000000000..68d819fe6
--- /dev/null
+++ b/src/rocksdb/db/event_helpers.h
@@ -0,0 +1,82 @@
+//  Copyright (c) 2011-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
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "db/column_family.h"
+#include "db/version_edit.h"
+#include "logging/event_logger.h"
+#include "rocksdb/listener.h"
+#include "rocksdb/table_properties.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+class EventHelpers {
+ public:
+  static void AppendCurrentTime(JSONWriter* json_writer);
+#ifndef ROCKSDB_LITE
+  static void NotifyTableFileCreationStarted(
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      const std::string& db_name, const std::string& cf_name,
+      const std::string& file_path, int job_id, TableFileCreationReason reason);
+#endif  // !ROCKSDB_LITE
+  static void NotifyOnBackgroundError(
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      BackgroundErrorReason reason, Status* bg_error,
+      InstrumentedMutex* db_mutex, bool* auto_recovery);
+  static void LogAndNotifyTableFileCreationFinished(
+      EventLogger* event_logger,
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      const std::string& db_name, const std::string& cf_name,
+      const std::string& file_path, int job_id, const FileDescriptor& fd,
+      uint64_t oldest_blob_file_number, const TableProperties& table_properties,
+      TableFileCreationReason reason, const Status& s,
+      const std::string& file_checksum,
+      const std::string& file_checksum_func_name);
+  static void LogAndNotifyTableFileDeletion(
+      EventLogger* event_logger, int job_id, uint64_t file_number,
+      const std::string& file_path, const Status& status,
+      const std::string& db_name,
+      const std::vector<std::shared_ptr<EventListener>>& listeners);
+  static void NotifyOnErrorRecoveryEnd(
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      const Status& old_bg_error, const Status& new_bg_error,
+      InstrumentedMutex* db_mutex);
+
+#ifndef ROCKSDB_LITE
+  static void NotifyBlobFileCreationStarted(
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      const std::string& db_name, const std::string& cf_name,
+      const std::string& file_path, int job_id,
+      BlobFileCreationReason creation_reason);
+#endif  // !ROCKSDB_LITE
+
+  static void LogAndNotifyBlobFileCreationFinished(
+      EventLogger* event_logger,
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      const std::string& db_name, const std::string& cf_name,
+      const std::string& file_path, int job_id, uint64_t file_number,
+      BlobFileCreationReason creation_reason, const Status& s,
+      const std::string& file_checksum,
+      const std::string& file_checksum_func_name, uint64_t total_blob_count,
+      uint64_t total_blob_bytes);
+
+  static void LogAndNotifyBlobFileDeletion(
+      EventLogger* event_logger,
+      const std::vector<std::shared_ptr<EventListener>>& listeners, int job_id,
+      uint64_t file_number, const std::string& file_path, const Status& status,
+      const std::string& db_name);
+
+ private:
+  static void LogAndNotifyTableFileCreation(
+      EventLogger* event_logger,
+      const std::vector<std::shared_ptr<EventListener>>& listeners,
+      const FileDescriptor& fd, const TableFileCreationInfo& info);
+};
+
+}  // namespace ROCKSDB_NAMESPACE