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-rw-r--r--src/leveldb/db/log_writer.h48
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diff --git a/src/leveldb/db/log_writer.h b/src/leveldb/db/log_writer.h
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--- a/src/leveldb/db/log_writer.h
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-// 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.
-
-#ifndef STORAGE_LEVELDB_DB_LOG_WRITER_H_
-#define STORAGE_LEVELDB_DB_LOG_WRITER_H_
-
-#include <stdint.h>
-#include "db/log_format.h"
-#include "leveldb/slice.h"
-#include "leveldb/status.h"
-
-namespace leveldb {
-
-class WritableFile;
-
-namespace log {
-
-class Writer {
- public:
- // Create a writer that will append data to "*dest".
- // "*dest" must be initially empty.
- // "*dest" must remain live while this Writer is in use.
- explicit Writer(WritableFile* dest);
- ~Writer();
-
- Status AddRecord(const Slice& slice);
-
- private:
- WritableFile* dest_;
- int block_offset_; // Current offset in block
-
- // crc32c values for all supported record types. These are
- // pre-computed to reduce the overhead of computing the crc of the
- // record type stored in the header.
- uint32_t type_crc_[kMaxRecordType + 1];
-
- Status EmitPhysicalRecord(RecordType type, const char* ptr, size_t length);
-
- // No copying allowed
- Writer(const Writer&);
- void operator=(const Writer&);
-};
-
-} // namespace log
-} // namespace leveldb
-
-#endif // STORAGE_LEVELDB_DB_LOG_WRITER_H_