1 files changed, 64 insertions, 0 deletions
diff --git a/src/rocksdb/port/win/win_logger.h b/src/rocksdb/port/win/win_logger.h
new file mode 100644
index 000000000..1ca4610e9
--- /dev/null
+++ b/src/rocksdb/port/win/win_logger.h
@@ -0,0 +1,64 @@
+//  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).
+//
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+//
+// Logger implementation that can be shared by all environments
+// where enough posix functionality is available.
+
+#pragma once
+
+#include <stdint.h>
+#include <windows.h>
+
+#include <atomic>
+#include <memory>
+
+#include "rocksdb/env.h"
+
+namespace ROCKSDB_NAMESPACE {
+class SystemClock;
+
+namespace port {
+class WinLogger : public ROCKSDB_NAMESPACE::Logger {
+ public:
+  WinLogger(uint64_t (*gettid)(), SystemClock* clock, HANDLE file,
+            const InfoLogLevel log_level = InfoLogLevel::ERROR_LEVEL);
+
+  virtual ~WinLogger();
+
+  WinLogger(const WinLogger&) = delete;
+
+  WinLogger& operator=(const WinLogger&) = delete;
+
+  void Flush() override;
+
+  using ROCKSDB_NAMESPACE::Logger::Logv;
+  void Logv(const char* format, va_list ap) override;
+
+  size_t GetLogFileSize() const override;
+
+  void DebugWriter(const char* str, int len);
+
+ protected:
+  Status CloseImpl() override;
+
+ private:
+  HANDLE file_;
+  uint64_t (*gettid_)();  // Return the thread id for the current thread
+  std::atomic_size_t log_size_;
+  std::atomic_uint_fast64_t last_flush_micros_;
+  SystemClock* clock_;
+  bool flush_pending_;
+
+  Status CloseInternal();
+
+  const static uint64_t flush_every_seconds_ = 5;
+};
+}  // namespace port
+
+}  // namespace ROCKSDB_NAMESPACE