Use content defined chunking #43
3 changed files with 104 additions and 20 deletions
88
Cargo.lock
generated
88
Cargo.lock
generated
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@ -221,6 +221,12 @@ dependencies = [
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"synstructure",
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]
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[[package]]
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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 = "5afa29be46b12c8c380b997def8d1ac77c2665da93eb0a768fab0bf4db79333f"
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[[package]]
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name = "fnv"
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version = "1.0.7"
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@ -365,7 +371,7 @@ dependencies = [
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"hex",
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"log",
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"pretty_env_logger",
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"rand",
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"rand 0.8.3",
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"rmp-serde",
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"serde",
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"sled",
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@ -383,6 +389,7 @@ 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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@ -397,6 +404,7 @@ dependencies = [
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"log",
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"md-5",
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"percent-encoding",
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"rand 0.7.3",
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"roxmltree",
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"sha2",
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"tokio",
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@ -415,7 +423,7 @@ dependencies = [
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"garage_util",
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"hex",
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"log",
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"rand",
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"rand 0.8.3",
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"rmp-serde",
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"serde",
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"serde_bytes",
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@ -459,7 +467,7 @@ dependencies = [
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"garage_util",
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"hexdump",
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"log",
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"rand",
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"rand 0.8.3",
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"rmp-serde",
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"serde",
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"serde_bytes",
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@ -479,7 +487,7 @@ dependencies = [
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"http",
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"hyper",
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"log",
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"rand",
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"rand 0.8.3",
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"rmp-serde",
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"rustls",
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"serde",
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@ -529,6 +537,17 @@ dependencies = [
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"winapi",
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]
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[[package]]
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name = "getrandom"
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version = "0.1.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi 0.9.0+wasi-snapshot-preview1",
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]
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[[package]]
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name = "getrandom"
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version = "0.2.2"
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@ -537,7 +556,7 @@ checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi",
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"wasi 0.10.2+wasi-snapshot-preview1",
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]
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[[package]]
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@ -1043,6 +1062,19 @@ dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "rand"
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version = "0.7.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
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dependencies = [
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"getrandom 0.1.16",
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"libc",
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"rand_chacha 0.2.2",
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"rand_core 0.5.1",
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"rand_hc 0.2.0",
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]
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[[package]]
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name = "rand"
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version = "0.8.3"
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@ -1050,9 +1082,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
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dependencies = [
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"libc",
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"rand_chacha",
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"rand_core",
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"rand_hc",
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"rand_chacha 0.3.0",
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"rand_core 0.6.2",
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"rand_hc 0.3.0",
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]
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[[package]]
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name = "rand_chacha"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
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dependencies = [
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"ppv-lite86",
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"rand_core 0.5.1",
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]
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[[package]]
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@ -1062,7 +1104,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
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dependencies = [
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"ppv-lite86",
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"rand_core",
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"rand_core 0.6.2",
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]
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[[package]]
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name = "rand_core"
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version = "0.5.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
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dependencies = [
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"getrandom 0.1.16",
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]
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[[package]]
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@ -1071,7 +1122,16 @@ version = "0.6.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
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dependencies = [
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"getrandom",
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"getrandom 0.2.2",
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]
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[[package]]
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name = "rand_hc"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
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dependencies = [
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"rand_core 0.5.1",
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]
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[[package]]
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@ -1080,7 +1140,7 @@ version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
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dependencies = [
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"rand_core",
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"rand_core 0.6.2",
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]
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[[package]]
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@ -1581,6 +1641,12 @@ dependencies = [
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"try-lock",
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]
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[[package]]
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name = "wasi"
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version = "0.9.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
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[[package]]
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name = "wasi"
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version = "0.10.2+wasi-snapshot-preview1"
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@ -22,10 +22,12 @@ 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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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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md-5 = "0.9"
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rand = "0.7"
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sha2 = "0.9"
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futures = "0.3"
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@ -2,6 +2,7 @@ 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 hyper::{Body, Request, Response};
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use md5::{digest::generic_array::*, Digest as Md5Digest, Md5};
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@ -268,21 +269,28 @@ 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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block_size: usize,
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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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}
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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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Self {
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body,
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read_all: false,
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block_size,
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buf: VecDeque::with_capacity(2 * block_size),
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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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}
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}
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async fn next(&mut self) -> Result<Option<Vec<u8>>, GarageError> {
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while !self.read_all && self.buf.len() < self.block_size {
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while !self.read_all && self.buf.len() < self.max_block_size {
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if let Some(block) = self.body.next().await {
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let bytes = block?;
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trace!("Body next: {} bytes", bytes.len());
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@ -293,12 +301,20 @@ 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 self.buf.len() <= self.block_size {
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let block = self.buf.drain(..).collect::<Vec<u8>>();
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Ok(Some(block))
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} else {
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let block = self.buf.drain(..self.block_size).collect::<Vec<u8>>();
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Ok(Some(block))
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let mut iter = FastCDC::with_eof(
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self.buf.make_contiguous(),
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self.min_block_size,
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self.avg_block_size,
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self.max_block_size,
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self.read_all,
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);
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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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unreachable!("FastCDC returned not chunk")
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}
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}
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}
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}
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