1 files changed, 66 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/blob_db/blob_db_listener.h b/src/rocksdb/utilities/blob_db/blob_db_listener.h
new file mode 100644
index 000000000..c26d7bd27
--- /dev/null
+++ b/src/rocksdb/utilities/blob_db/blob_db_listener.h
@@ -0,0 +1,66 @@
+//  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
+
+#ifndef ROCKSDB_LITE
+
+#include <atomic>
+
+#include "rocksdb/listener.h"
+#include "util/mutexlock.h"
+#include "utilities/blob_db/blob_db_impl.h"
+
+namespace ROCKSDB_NAMESPACE {
+namespace blob_db {
+
+class BlobDBListener : public EventListener {
+ public:
+  explicit BlobDBListener(BlobDBImpl* blob_db_impl)
+      : blob_db_impl_(blob_db_impl) {}
+
+  void OnFlushBegin(DB* /*db*/, const FlushJobInfo& /*info*/) override {
+    assert(blob_db_impl_ != nullptr);
+    blob_db_impl_->SyncBlobFiles();
+  }
+
+  void OnFlushCompleted(DB* /*db*/, const FlushJobInfo& /*info*/) override {
+    assert(blob_db_impl_ != nullptr);
+    blob_db_impl_->UpdateLiveSSTSize();
+  }
+
+  void OnCompactionCompleted(DB* /*db*/,
+                             const CompactionJobInfo& /*info*/) override {
+    assert(blob_db_impl_ != nullptr);
+    blob_db_impl_->UpdateLiveSSTSize();
+  }
+
+ protected:
+  BlobDBImpl* blob_db_impl_;
+};
+
+class BlobDBListenerGC : public BlobDBListener {
+ public:
+  explicit BlobDBListenerGC(BlobDBImpl* blob_db_impl)
+      : BlobDBListener(blob_db_impl) {}
+
+  void OnFlushCompleted(DB* db, const FlushJobInfo& info) override {
+    BlobDBListener::OnFlushCompleted(db, info);
+
+    assert(blob_db_impl_);
+    blob_db_impl_->ProcessFlushJobInfo(info);
+  }
+
+  void OnCompactionCompleted(DB* db, const CompactionJobInfo& info) override {
+    BlobDBListener::OnCompactionCompleted(db, info);
+
+    assert(blob_db_impl_);
+    blob_db_impl_->ProcessCompactionJobInfo(info);
+  }
+};
+
+}  // namespace blob_db
+}  // namespace ROCKSDB_NAMESPACE
+#endif  // !ROCKSDB_LITE