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author | Vinnie Falco <vinnie.falco@gmail.com> | 2013-05-03 19:06:59 -0700 |
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committer | Vinnie Falco <vinnie.falco@gmail.com> | 2013-05-03 19:06:59 -0700 |
commit | c25e98186d0f716451ef000e55646d25e014f573 (patch) | |
tree | aaf23800da380d055ecf533422905018eb8b6fe2 /db/log_format.h | |
download | bitcoin-c25e98186d0f716451ef000e55646d25e014f573.tar.xz |
Squashed 'src/leveldb/' content from commit aca1ffc
git-subtree-dir: src/leveldb
git-subtree-split: aca1ffc4b65be5e099b2088c6e6a308d69e1ad73
Diffstat (limited to 'db/log_format.h')
-rw-r--r-- | db/log_format.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/db/log_format.h b/db/log_format.h new file mode 100644 index 0000000000..2690cb9789 --- /dev/null +++ b/db/log_format.h @@ -0,0 +1,35 @@ +// 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.txt 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), type (1 byte), length (2 bytes). +static const int kHeaderSize = 4 + 1 + 2; + +} // namespace log +} // namespace leveldb + +#endif // STORAGE_LEVELDB_DB_LOG_FORMAT_H_ |