63 lines
1.6 KiB
Rust
63 lines
1.6 KiB
Rust
use anyhow::Result;
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use byteorder::{LittleEndian, WriteBytesExt};
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use nom::{number::complete::*, IResult};
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use std::fmt;
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use crate::pdata::unpack::*;
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//------------------------------------------
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#[derive(Clone, Copy)]
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pub struct DeviceDetail {
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pub mapped_blocks: u64,
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pub transaction_id: u64,
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pub creation_time: u32,
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pub snapshotted_time: u32,
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}
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impl fmt::Display for DeviceDetail {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(
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f,
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"mapped = {}, trans = {}, create = {}, snap = {}",
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self.mapped_blocks, self.transaction_id, self.creation_time, self.snapshotted_time
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)?;
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Ok(())
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}
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}
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impl Unpack for DeviceDetail {
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fn disk_size() -> u32 {
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24
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}
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fn unpack(i: &[u8]) -> IResult<&[u8], DeviceDetail> {
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let (i, mapped_blocks) = le_u64(i)?;
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let (i, transaction_id) = le_u64(i)?;
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let (i, creation_time) = le_u32(i)?;
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let (i, snapshotted_time) = le_u32(i)?;
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Ok((
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i,
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DeviceDetail {
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mapped_blocks,
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transaction_id,
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creation_time,
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snapshotted_time,
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},
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))
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}
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}
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impl Pack for DeviceDetail {
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fn pack<W: WriteBytesExt>(&self, w: &mut W) -> Result<()> {
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w.write_u64::<LittleEndian>(self.mapped_blocks)?;
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w.write_u64::<LittleEndian>(self.transaction_id)?;
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w.write_u32::<LittleEndian>(self.creation_time)?;
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w.write_u32::<LittleEndian>(self.snapshotted_time)?;
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Ok(())
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}
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}
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//------------------------------------------
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