forked from Deuxfleurs/garage
change crate used for cdc
previous one seemed to output incorrect results
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parent
6e0cb2dfb6
commit
47d0aee9f8
3 changed files with 19 additions and 24 deletions
17
Cargo.lock
generated
17
Cargo.lock
generated
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@ -222,10 +222,10 @@ dependencies = [
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]
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[[package]]
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name = "fmt-extra"
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version = "0.2.1"
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name = "fastcdc"
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "07f11f71b1f9be830047fbb1899d90601c3b21a471dc99fe1057303eee37f2b9"
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checksum = "5afa29be46b12c8c380b997def8d1ac77c2665da93eb0a768fab0bf4db79333f"
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[[package]]
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name = "fnv"
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@ -389,12 +389,12 @@ dependencies = [
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"chrono",
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"crypto-mac 0.10.0",
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"err-derive",
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"fastcdc",
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"futures",
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"futures-util",
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"garage_model",
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"garage_table",
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"garage_util",
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"hash-roll",
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"hex",
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"hmac",
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"http",
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@ -600,15 +600,6 @@ dependencies = [
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"tracing",
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]
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[[package]]
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name = "hash-roll"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a9e27803a4b526df90ed2a3f60523eeec6b5ace6ba7530f9920fbee82027fa11"
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dependencies = [
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"fmt-extra",
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]
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[[package]]
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name = "hashbrown"
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version = "0.9.1"
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@ -22,7 +22,7 @@ bytes = "1.0"
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chrono = "0.4"
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crypto-mac = "0.10"
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err-derive = "0.3"
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hash-roll = "0.3.0"
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fastcdc = "1.0.5"
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hex = "0.4"
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hmac = "0.10"
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log = "0.4"
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@ -2,8 +2,8 @@ use std::collections::{BTreeMap, VecDeque};
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use std::fmt::Write;
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use std::sync::Arc;
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use fastcdc::{Chunk, FastCDC};
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use futures::stream::*;
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use hash_roll::{ChunkIncr, fastcdc::{FastCdc, FastCdcIncr}, gear_table::GEAR_64};
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use hyper::{Body, Request, Response};
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use md5::{digest::generic_array::*, Digest as Md5Digest, Md5};
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use sha2::Sha256;
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@ -269,22 +269,24 @@ async fn put_block_meta(
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struct BodyChunker {
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body: Body,
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read_all: bool,
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min_block_size: usize,
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avg_block_size: usize,
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max_block_size: usize,
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buf: VecDeque<u8>,
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chunker: FastCdcIncr<'static>,
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}
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impl BodyChunker {
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fn new(body: Body, block_size: usize) -> Self {
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let min_block_size = block_size / 4 * 3;
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let avg_block_size = block_size;
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let max_block_size = block_size * 2;
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let chunker = FastCdc::new(&GEAR_64, block_size as u64 / 2, block_size as u64, max_block_size as u64);
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let chunker = (&chunker).into();
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Self {
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body,
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read_all: false,
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min_block_size,
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avg_block_size,
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max_block_size,
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buf: VecDeque::with_capacity(2 * max_block_size),
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chunker,
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}
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}
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async fn next(&mut self) -> Result<Option<Vec<u8>>, GarageError> {
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@ -299,12 +301,14 @@ impl BodyChunker {
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}
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if self.buf.len() == 0 {
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Ok(None)
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} else if let Some(index) = self.chunker.push(self.buf.make_contiguous()) {
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let block = self.buf.drain(..index).collect::<Vec<u8>>();
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Ok(Some(block))
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} else {
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let block = self.buf.drain(..).collect::<Vec<u8>>();
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Ok(Some(block))
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let mut iter = FastCDC::with_eof(self.buf.make_contiguous(), self.min_block_size, self.avg_block_size, self.max_block_size, self.read_all);
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if let Some(Chunk {length, ..}) = iter.next() {
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let block = self.buf.drain(..length).collect::<Vec<u8>>();
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Ok(Some(block))
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} else {
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Ok(None)
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}
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}
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}
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}
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