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src/leveldb/db/log_format.h
35 строк
896 B
Pieter Wuille
Update to LevelDB 1.20
10 июн 2017, 05:24
10 июн 2017, 05:24
e4030ab
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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. // // Log format information shared by reader and writer. // See ../doc/log_format.md for more detail. #ifndef STORAGE_LEVELDB_DB_LOG_FORMAT_H_ #define STORAGE_LEVELDB_DB_LOG_FORMAT_H_ namespace leveldb { namespace log { enum RecordType { // Zero is reserved for preallocated files kZeroType = 0, kFullType = 1, // For fragments kFirstType = 2, kMiddleType = 3, kLastType = 4 }; static const int kMaxRecordType = kLastType; static const int kBlockSize = 32768; // Header is checksum (4 bytes), length (2 bytes), type (1 byte). static const int kHeaderSize = 4 + 2 + 1; } // namespace log } // namespace leveldb #endif // STORAGE_LEVELDB_DB_LOG_FORMAT_H_