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LogFile

idb::innodb::log

Struct LogFile 

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pub struct LogFile { /* private fields */ }
Expand description

Redo log file reader.

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impl LogFile

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pub fn open(path: &str) -> Result<Self, IdbError>

Open a redo log file.

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pub fn block_count(&self) -> u64

Total number of 512-byte blocks in the file.

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pub fn data_block_count(&self) -> u64

Number of data blocks (excluding the 4 header/checkpoint blocks).

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pub fn read_block(&mut self, block_no: u64) -> Result<Vec<u8>, IdbError>

Read a single 512-byte block by block number.

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pub fn read_header(&mut self) -> Result<LogFileHeader, IdbError>

Read and parse the log file header (block 0).

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pub fn read_checkpoint(&mut self, slot: u8) -> Result<LogCheckpoint, IdbError>

Read and parse a checkpoint (slot 0 = block 1, slot 1 = block 3).

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pub fn file_size(&self) -> u64

File size in bytes.

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