fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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67 lines
1.7 KiB
67 lines
1.7 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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//
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// Logger implementation that can be shared by all environments
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// where enough posix functionality is available.
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#pragma once
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#include <stdint.h>
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#include <windows.h>
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#include <atomic>
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#include <memory>
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#include "rocksdb/env.h"
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namespace ROCKSDB_NAMESPACE {
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namespace port {
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class WinClock;
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class WinLogger : public ROCKSDB_NAMESPACE::Logger {
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public:
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WinLogger(uint64_t (*gettid)(), const std::shared_ptr<WinClock>& clock,
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HANDLE file,
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const InfoLogLevel log_level = InfoLogLevel::ERROR_LEVEL);
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virtual ~WinLogger();
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WinLogger(const WinLogger&) = delete;
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WinLogger& operator=(const WinLogger&) = delete;
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void Flush() override;
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using ROCKSDB_NAMESPACE::Logger::Logv;
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void Logv(const char* format, va_list ap) override;
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size_t GetLogFileSize() const override;
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void DebugWriter(const char* str, int len);
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protected:
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Status CloseImpl() override;
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private:
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HANDLE file_;
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uint64_t (*gettid_)(); // Return the thread id for the current thread
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std::atomic_size_t log_size_;
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std::atomic_uint_fast64_t last_flush_micros_;
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std::shared_ptr<WinClock> clock_;
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bool flush_pending_;
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Status CloseInternal();
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const static uint64_t flush_every_seconds_ = 5;
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};
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}
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} // namespace ROCKSDB_NAMESPACE
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