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archive_index.rs: correctly write .aidx file

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This commit is contained in:
Dietmar Maurer 2019-01-02 12:54:40 +01:00
parent 580dc84bac
commit 5032b57b44
1 changed files with 9 additions and 5 deletions
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14
src/backup/archive_index.rs
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@ -3,7 +3,7 @@ use failure::*;
use super::chunk_store::*;
use super::chunker::*;
use std::io::{Read, Write};
use std::io::{Read, Write, BufWriter};
use std::fs::File;
use std::path::{Path, PathBuf};
use std::os::unix::io::AsRawFd;
@ -22,7 +22,7 @@ pub struct ArchiveIndexHeader {
pub struct ArchiveIndexWriter<'a> {
store: &'a ChunkStore,
chunker: Chunker,
file: File,
writer: BufWriter<File>,
closed: bool,
filename: PathBuf,
tmp_filename: PathBuf,
@ -48,6 +48,8 @@ impl <'a> ArchiveIndexWriter<'a> {
.write(true)
.open(&tmp_path)?;
let mut writer = BufWriter::with_capacity(1024*1024, file);
let header_size = std::mem::size_of::<ArchiveIndexHeader>();
// todo: use static assertion when available in rust
@ -66,12 +68,12 @@ impl <'a> ArchiveIndexWriter<'a> {
header.ctime = u64::to_le(ctime);
header.uuid = *uuid.as_bytes();
file.write_all(&buffer)?;
writer.write_all(&buffer)?;
Ok(Self {
store,
chunker: Chunker::new(chunk_size),
file: file,
writer: writer,
closed: false,
filename: full_path,
tmp_filename: tmp_path,
@ -94,7 +96,7 @@ impl <'a> ArchiveIndexWriter<'a> {
self.write_chunk_buffer()?;
self.file.sync_all()?;
self.writer.flush()?;
// fixme:
@ -125,6 +127,8 @@ impl <'a> ArchiveIndexWriter<'a> {
match self.store.insert_chunk(&self.chunk_buffer) {
Ok((is_duplicate, digest)) => {
println!("ADD CHUNK {} {} {} {}", self.chunk_offset, chunk_size, is_duplicate, digest_to_hex(&digest));
self.writer.write(unsafe { &std::mem::transmute::<u64, [u8;8]>(self.chunk_offset as u64) })?;
self.writer.write(&digest)?;
self.chunk_buffer.truncate(0);
return Ok(());
}