use std::os::unix::io::AsRawFd;
use uuid::Uuid;
use chrono::{Local, TimeZone};
+use super::ChunkInfo;
/// Header format definition for fixed index files (`.fidx`)
#[repr(C)]
}
// Note: We want to add data out of order, so do not assume any order here.
- pub fn add_chunk(&mut self, pos: usize, chunk: &[u8], stat: &mut ChunkStat) -> Result<(), Error> {
+ pub fn add_chunk(&mut self, chunk_info: &ChunkInfo, stat: &mut ChunkStat) -> Result<(), Error> {
- let end = pos + chunk.len();
+ let chunk_len = chunk_info.chunk_len as usize;
+ let end = chunk_info.offset as usize;
+
+ if end < chunk_len {
+ bail!("got chunk with small offset ({} < {}", end, chunk_len);
+ }
+
+ let pos = end - chunk_len;
if end > self.size {
bail!("write chunk data exceeds size ({} >= {})", end, self.size);
}
// last chunk can be smaller
- if ((end != self.size) && (chunk.len() != self.chunk_size)) ||
- (chunk.len() > self.chunk_size) || (chunk.len() == 0) {
- bail!("got chunk with wrong length ({} != {}", chunk.len(), self.chunk_size);
+ if ((end != self.size) && (chunk_len != self.chunk_size)) ||
+ (chunk_len > self.chunk_size) || (chunk_len == 0) {
+ bail!("got chunk with wrong length ({} != {}", chunk_len, self.chunk_size);
}
if pos & (self.chunk_size-1) != 0 { bail!("add unaligned chunk (pos = {})", pos); }
- let (is_duplicate, digest, compressed_size) = self.store.insert_chunk(chunk)?;
+ if (end as u64) != chunk_info.offset {
+ bail!("got chunk with wrong offset ({} != {}", end, chunk_info.offset);
+ }
+
+ let (is_duplicate, compressed_size) = self.store.insert_chunk(&chunk_info.chunk)?;
stat.chunk_count += 1;
stat.compressed_size += compressed_size;
- println!("ADD CHUNK {} {} {}% {} {}", pos, chunk.len(),
- (compressed_size*100)/(chunk.len() as u64), is_duplicate, tools::digest_to_hex(&digest));
+ let digest = chunk_info.chunk.digest();
+
+ println!("ADD CHUNK {} {} {}% {} {}", pos, chunk_len,
+ (compressed_size*100)/(chunk_len as u64), is_duplicate, tools::digest_to_hex(digest));
if is_duplicate {
stat.duplicate_chunks += 1;
stat.disk_size += compressed_size;
}
- self.add_digest(pos / self.chunk_size, &digest)
+ self.add_digest(pos / self.chunk_size, digest)
}
pub fn add_digest(&mut self, index: usize, digest: &[u8; 32]) -> Result<(), Error> {