Some work in actually storing things
This commit is contained in:
parent
d50edcdb4f
commit
bacc76a057
11 changed files with 302 additions and 110 deletions
46
Cargo.lock
generated
46
Cargo.lock
generated
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@ -5,6 +5,16 @@ name = "arc-swap"
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version = "0.4.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "async-trait"
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version = "0.1.30"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "autocfg"
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version = "1.0.0"
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@ -270,6 +280,7 @@ dependencies = [
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name = "garage"
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version = "0.1.0"
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dependencies = [
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"async-trait 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
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"bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"err-derive 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -280,12 +291,12 @@ dependencies = [
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hyper 0.13.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"kv 0.20.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rmp-serde 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_bytes 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"sled 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"structopt 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"tokio 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
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"toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -425,17 +436,6 @@ dependencies = [
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"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "kv"
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version = "0.20.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
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"sled 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"thiserror 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
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"toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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@ -895,24 +895,6 @@ dependencies = [
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"unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "thiserror"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"thiserror-impl 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "thiserror-impl"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "time"
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version = "0.1.42"
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@ -1066,6 +1048,7 @@ dependencies = [
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[metadata]
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"checksum arc-swap 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d663a8e9a99154b5fb793032533f6328da35e23aac63d5c152279aa8ba356825"
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"checksum async-trait 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)" = "da71fef07bc806586090247e971229289f64c210a278ee5ae419314eb386b31d"
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"checksum autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
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"checksum bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5753e2a71534719bf3f4e57006c3a4f0d2c672a4b676eec84161f763eca87dbf"
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"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
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@ -1112,7 +1095,6 @@ dependencies = [
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"checksum iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
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"checksum itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
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"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
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"checksum kv 0.20.2 (registry+https://github.com/rust-lang/crates.io-index)" = "cde1d1ce05b9169af359041cf834075ca4478f5917e6198d9454773e98aae143"
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"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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"checksum libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)" = "dea0c0405123bba743ee3f91f49b1c7cfb684eef0da0a50110f758ccf24cdff0"
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"checksum lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "79b2de95ecb4691949fea4716ca53cdbcfccb2c612e19644a8bad05edcf9f47b"
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@ -1166,8 +1148,6 @@ dependencies = [
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"checksum syn-mid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
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"checksum synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
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"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
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"checksum thiserror 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "f0570dc61221295909abdb95c739f2e74325e14293b2026b0a7e195091ec54ae"
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"checksum thiserror-impl 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "227362df41d566be41a28f64401e07a043157c21c14b9785a0d8e256f940a8fd"
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"checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
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"checksum tokio 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)" = "ee5a0dd887e37d37390c13ff8ac830f992307fe30a1fff0ab8427af67211ba28"
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"checksum tokio-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
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@ -10,7 +10,7 @@ edition = "2018"
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bytes = "0.4"
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http = "0.2"
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hyper = "0.13"
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kv = "0.20"
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sled = "0.31"
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futures = "0.3"
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futures-core = "0.3"
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futures-channel = "0.3"
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@ -26,3 +26,4 @@ structopt = { version = "0.3", default-features = false }
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rand = "0.7"
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hex = "0.3"
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sha2 = "0.8"
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async-trait = "0.1.30"
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@ -9,21 +9,21 @@ use hyper::{Body, Method, Request, Response, Server, StatusCode};
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use futures::future::Future;
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use crate::error::Error;
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use crate::membership::System;
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use crate::data::*;
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use crate::proto::*;
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use crate::rpc_client::*;
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use crate::server::Garage;
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pub async fn run_api_server(sys: Arc<System>, shutdown_signal: impl Future<Output=()>) -> Result<(), hyper::Error> {
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let addr = ([0, 0, 0, 0], sys.config.api_port).into();
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pub async fn run_api_server(garage: Arc<Garage>, shutdown_signal: impl Future<Output=()>) -> Result<(), hyper::Error> {
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let addr = ([0, 0, 0, 0], garage.system.config.api_port).into();
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let service = make_service_fn(|conn: &AddrStream| {
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let sys = sys.clone();
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let garage = garage.clone();
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let client_addr = conn.remote_addr();
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async move {
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Ok::<_, Error>(service_fn(move |req: Request<Body>| {
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let sys = sys.clone();
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handler(sys, req, client_addr)
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let garage = garage.clone();
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handler(garage, req, client_addr)
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}))
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}
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});
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@ -36,8 +36,8 @@ pub async fn run_api_server(sys: Arc<System>, shutdown_signal: impl Future<Outpu
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graceful.await
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}
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async fn handler(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
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match handler_inner(sys, req, addr).await {
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async fn handler(garage: Arc<Garage>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
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match handler_inner(garage, req, addr).await {
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Ok(x) => Ok(x),
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Err(Error::BadRequest(e)) => {
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let mut bad_request = Response::new(Body::from(format!("{}\n", e)));
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@ -53,7 +53,7 @@ async fn handler(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -> Resu
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}
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}
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async fn handler_inner(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
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async fn handler_inner(garage: Arc<Garage>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
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eprintln!("{} {} {}", addr, req.method(), req.uri());
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let bucket = req.headers()
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@ -75,7 +75,7 @@ async fn handler_inner(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -
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.map(|x| x.to_str())
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.unwrap_or(Ok("blob"))?
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.to_string();
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let version_uuid = handle_put(sys, &mime_type, &bucket, &key, req.into_body()).await?;
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let version_uuid = handle_put(garage, &mime_type, &bucket, &key, req.into_body()).await?;
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Ok(Response::new(Body::from(
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format!("Version UUID: {:?}", version_uuid),
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)))
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@ -84,22 +84,24 @@ async fn handler_inner(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -
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}
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}
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async fn handle_put(sys: Arc<System>,
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async fn handle_put(garage: Arc<Garage>,
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mime_type: &str,
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bucket: &str, key: &str, body: Body)
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-> Result<UUID, Error>
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{
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let version_uuid = gen_uuid();
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let mut chunker = BodyChunker::new(body, sys.config.block_size);
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let mut chunker = BodyChunker::new(body, garage.system.config.block_size);
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let first_block = match chunker.next().await? {
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Some(x) => x,
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None => return Err(Error::BadRequest(format!("Empty body"))),
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};
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let mut version = VersionMeta{
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let version_key = VersionMetaKey{
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bucket: bucket.to_string(),
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key: key.to_string(),
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};
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let mut version_value = VersionMetaValue {
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timestamp: now_msec(),
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uuid: version_uuid.clone(),
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mime_type: mime_type.to_string(),
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@ -107,27 +109,17 @@ async fn handle_put(sys: Arc<System>,
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is_complete: false,
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data: VersionData::DeleteMarker,
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};
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let version_who = sys.members.read().await
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.walk_ring(&version_uuid, sys.config.meta_replication_factor);
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if first_block.len() < INLINE_THRESHOLD {
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version.data = VersionData::Inline(first_block);
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version.is_complete = true;
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rpc_try_call_many(sys.clone(),
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&version_who[..],
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&Message::AdvertiseVersion(version),
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(sys.config.meta_replication_factor+1)/2,
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DEFAULT_TIMEOUT).await?;
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version_value.data = VersionData::Inline(first_block);
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version_value.is_complete = true;
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garage.version_table.insert(&version_key, &version_value).await?;
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return Ok(version_uuid)
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}
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let first_block_hash = hash(&first_block[..]);
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version.data = VersionData::FirstBlock(first_block_hash);
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rpc_try_call_many(sys.clone(),
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&version_who[..],
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&Message::AdvertiseVersion(version.clone()),
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(sys.config.meta_replication_factor+1)/2,
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DEFAULT_TIMEOUT).await?;
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version_value.data = VersionData::FirstBlock(first_block_hash);
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garage.version_table.insert(&version_key, &version_value).await?;
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let block_meta = BlockMeta{
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version_uuid: version_uuid.clone(),
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@ -135,7 +127,7 @@ async fn handle_put(sys: Arc<System>,
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hash: hash(&first_block[..]),
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};
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let mut next_offset = first_block.len();
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let mut put_curr_block = put_block(sys.clone(), block_meta, first_block);
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let mut put_curr_block = put_block(garage.clone(), block_meta, first_block);
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loop {
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let (_, next_block) = futures::try_join!(put_curr_block, chunker.next())?;
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if let Some(block) = next_block {
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@ -145,7 +137,7 @@ async fn handle_put(sys: Arc<System>,
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hash: hash(&block[..]),
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};
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next_offset += block.len();
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put_curr_block = put_block(sys.clone(), block_meta, block);
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put_curr_block = put_block(garage.clone(), block_meta, block);
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} else {
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break;
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}
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@ -153,25 +145,21 @@ async fn handle_put(sys: Arc<System>,
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// TODO: if at any step we have an error, we should undo everything we did
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version.is_complete = true;
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rpc_try_call_many(sys.clone(),
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&version_who[..],
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&Message::AdvertiseVersion(version),
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(sys.config.meta_replication_factor+1)/2,
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DEFAULT_TIMEOUT).await?;
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version_value.is_complete = true;
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garage.version_table.insert(&version_key, &version_value).await?;
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Ok(version_uuid)
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}
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async fn put_block(sys: Arc<System>, meta: BlockMeta, data: Vec<u8>) -> Result<(), Error> {
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let who = sys.members.read().await
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.walk_ring(&meta.hash, sys.config.meta_replication_factor);
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rpc_try_call_many(sys.clone(),
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async fn put_block(garage: Arc<Garage>, meta: BlockMeta, data: Vec<u8>) -> Result<(), Error> {
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let who = garage.system.members.read().await
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.walk_ring(&meta.hash, garage.system.config.meta_replication_factor);
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rpc_try_call_many(garage.system.clone(),
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&who[..],
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&Message::PutBlock(PutBlockMessage{
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meta,
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data,
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}),
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(sys.config.meta_replication_factor+1)/2,
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(garage.system.config.meta_replication_factor+1)/2,
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DEFAULT_TIMEOUT).await?;
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Ok(())
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}
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|
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24
src/data.rs
24
src/data.rs
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@ -106,7 +106,7 @@ pub struct NetworkConfigEntry {
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// Data management
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pub const INLINE_THRESHOLD: usize = 2048;
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pub const INLINE_THRESHOLD: usize = 3072;
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#[derive(Debug, Serialize, Deserialize)]
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pub struct SplitpointMeta {
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@ -118,27 +118,7 @@ pub struct SplitpointMeta {
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pub deleted: bool,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct VersionMeta {
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pub bucket: String,
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pub key: String,
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pub timestamp: u64,
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pub uuid: UUID,
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pub mime_type: String,
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pub size: u64,
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pub is_complete: bool,
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pub data: VersionData,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub enum VersionData {
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DeleteMarker,
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Inline(#[serde(with="serde_bytes")] Vec<u8>),
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FirstBlock(Hash),
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}
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pub use crate::version_table::*;
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct BlockMeta {
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|
|
|||
|
|
@ -1,7 +1,12 @@
|
|||
mod error;
|
||||
mod data;
|
||||
mod proto;
|
||||
|
||||
mod membership;
|
||||
mod table;
|
||||
|
||||
mod version_table;
|
||||
|
||||
mod server;
|
||||
mod rpc_server;
|
||||
mod rpc_client;
|
||||
|
|
|
|||
|
|
@ -124,6 +124,11 @@ impl Members {
|
|||
i - 1
|
||||
}
|
||||
};
|
||||
|
||||
self.walk_ring_from_pos(start, n)
|
||||
}
|
||||
|
||||
fn walk_ring_from_pos(&self, start: usize, n: usize) -> Vec<UUID> {
|
||||
let mut ret = vec![];
|
||||
let mut datacenters = vec![];
|
||||
|
||||
|
|
@ -143,7 +148,7 @@ impl Members {
|
|||
}
|
||||
|
||||
ret
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn read_network_config(metadata_dir: &PathBuf) -> Result<NetworkConfig, Error> {
|
||||
|
|
|
|||
|
|
@ -18,7 +18,8 @@ pub enum Message {
|
|||
AdvertiseConfig(NetworkConfig),
|
||||
|
||||
PutBlock(PutBlockMessage),
|
||||
AdvertiseVersion(VersionMeta),
|
||||
|
||||
TableRPC(String, #[serde(with = "serde_bytes")] Vec<u8>),
|
||||
}
|
||||
|
||||
#[derive(Debug, Serialize, Deserialize)]
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
use std::net::SocketAddr;
|
||||
use std::sync::Arc;
|
||||
|
||||
use futures_util::future::FutureExt;
|
||||
use bytes::IntoBuf;
|
||||
use hyper::service::{make_service_fn, service_fn};
|
||||
use hyper::server::conn::AddrStream;
|
||||
|
|
@ -9,7 +10,7 @@ use futures::future::Future;
|
|||
|
||||
use crate::error::Error;
|
||||
use crate::proto::Message;
|
||||
use crate::membership::System;
|
||||
use crate::server::Garage;
|
||||
|
||||
fn err_to_msg(x: Result<Message, Error>) -> Message {
|
||||
match x {
|
||||
|
|
@ -18,7 +19,7 @@ fn err_to_msg(x: Result<Message, Error>) -> Message {
|
|||
}
|
||||
}
|
||||
|
||||
async fn handler(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
|
||||
async fn handler(garage: Arc<Garage>, req: Request<Body>, addr: SocketAddr) -> Result<Response<Body>, Error> {
|
||||
if req.method() != &Method::POST {
|
||||
let mut bad_request = Response::default();
|
||||
*bad_request.status_mut() = StatusCode::BAD_REQUEST;
|
||||
|
|
@ -30,12 +31,21 @@ async fn handler(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -> Resu
|
|||
|
||||
eprintln!("RPC from {}: {:?}", addr, msg);
|
||||
|
||||
let sys = garage.system.clone();
|
||||
let resp = err_to_msg(match &msg {
|
||||
Message::Ping(ping) => sys.handle_ping(&addr, ping).await,
|
||||
Message::PullStatus => sys.handle_pull_status().await,
|
||||
Message::PullConfig => sys.handle_pull_config().await,
|
||||
Message::AdvertiseNodesUp(adv) => sys.handle_advertise_nodes_up(adv).await,
|
||||
Message::AdvertiseConfig(adv) => sys.handle_advertise_config(adv).await,
|
||||
Message::TableRPC(table, msg) => {
|
||||
if let Some(rpc_handler) = garage.table_rpc_handlers.get(table) {
|
||||
rpc_handler.handle(&msg[..]).await
|
||||
.map(|rep| Message::TableRPC(table.to_string(), rep))
|
||||
} else {
|
||||
Ok(Message::Error(format!("Unknown table: {}", table)))
|
||||
}
|
||||
}
|
||||
|
||||
_ => Ok(Message::Error(format!("Unexpected message: {:?}", msg))),
|
||||
});
|
||||
|
|
@ -46,16 +56,16 @@ async fn handler(sys: Arc<System>, req: Request<Body>, addr: SocketAddr) -> Resu
|
|||
}
|
||||
|
||||
|
||||
pub async fn run_rpc_server(sys: Arc<System>, shutdown_signal: impl Future<Output=()>) -> Result<(), hyper::Error> {
|
||||
let bind_addr = ([0, 0, 0, 0], sys.config.rpc_port).into();
|
||||
pub async fn run_rpc_server(garage: Arc<Garage>, shutdown_signal: impl Future<Output=()>) -> Result<(), hyper::Error> {
|
||||
let bind_addr = ([0, 0, 0, 0], garage.system.config.rpc_port).into();
|
||||
|
||||
let service = make_service_fn(|conn: &AddrStream| {
|
||||
let client_addr = conn.remote_addr();
|
||||
let sys = sys.clone();
|
||||
let garage = garage.clone();
|
||||
async move {
|
||||
Ok::<_, Error>(service_fn(move |req: Request<Body>| {
|
||||
let sys = sys.clone();
|
||||
handler(sys, req, client_addr)
|
||||
let garage = garage.clone();
|
||||
handler(garage, req, client_addr)
|
||||
}))
|
||||
}
|
||||
});
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
use std::collections::HashMap;
|
||||
use std::io::{Read, Write};
|
||||
use std::sync::Arc;
|
||||
use std::net::SocketAddr;
|
||||
|
|
@ -6,10 +7,51 @@ use futures::channel::oneshot;
|
|||
use serde::Deserialize;
|
||||
|
||||
use crate::data::*;
|
||||
use crate::proto::*;
|
||||
use crate::error::Error;
|
||||
use crate::membership::System;
|
||||
use crate::api_server;
|
||||
use crate::rpc_server;
|
||||
use crate::table::*;
|
||||
|
||||
pub struct Garage {
|
||||
pub db: sled::Db,
|
||||
pub system: Arc<System>,
|
||||
|
||||
pub table_rpc_handlers: HashMap<String, Box<dyn TableRpcHandler + Sync + Send>>,
|
||||
|
||||
pub version_table: Arc<Table<VersionTable>>,
|
||||
}
|
||||
|
||||
impl Garage {
|
||||
pub fn new(config: Config, id: UUID, db: sled::Db) -> Self {
|
||||
let system = Arc::new(System::new(config, id));
|
||||
|
||||
let meta_rep_param = TableReplicationParams{
|
||||
replication_factor: system.config.meta_replication_factor,
|
||||
write_quorum: (system.config.meta_replication_factor+1)/2,
|
||||
read_quorum: (system.config.meta_replication_factor+1)/2,
|
||||
timeout: DEFAULT_TIMEOUT,
|
||||
};
|
||||
|
||||
let version_table = Arc::new(Table::new(
|
||||
system.clone(),
|
||||
&db,
|
||||
"version".to_string(),
|
||||
meta_rep_param.clone()));
|
||||
|
||||
let mut garage = Self{
|
||||
db,
|
||||
system: system.clone(),
|
||||
table_rpc_handlers: HashMap::new(),
|
||||
version_table,
|
||||
};
|
||||
garage.table_rpc_handlers.insert(
|
||||
garage.version_table.name.clone(),
|
||||
garage.version_table.clone().rpc_handler());
|
||||
garage
|
||||
}
|
||||
}
|
||||
|
||||
fn default_block_size() -> usize {
|
||||
1048576
|
||||
|
|
@ -88,20 +130,25 @@ pub async fn run_server(config_file: PathBuf) -> Result<(), Error> {
|
|||
let config = read_config(config_file)
|
||||
.expect("Unable to read config file");
|
||||
|
||||
let mut db_path = config.metadata_dir.clone();
|
||||
db_path.push("garage_metadata");
|
||||
let db = sled::open(db_path)
|
||||
.expect("Unable to open DB");
|
||||
|
||||
let id = gen_node_id(&config.metadata_dir)
|
||||
.expect("Unable to read or generate node ID");
|
||||
println!("Node ID: {}", hex::encode(&id));
|
||||
|
||||
let sys = Arc::new(System::new(config, id));
|
||||
let garage = Arc::new(Garage::new(config, id, db));
|
||||
|
||||
let (tx1, rx1) = oneshot::channel();
|
||||
let (tx2, rx2) = oneshot::channel();
|
||||
|
||||
let rpc_server = rpc_server::run_rpc_server(sys.clone(), wait_from(rx1));
|
||||
let api_server = api_server::run_api_server(sys.clone(), wait_from(rx2));
|
||||
let rpc_server = rpc_server::run_rpc_server(garage.clone(), wait_from(rx1));
|
||||
let api_server = api_server::run_api_server(garage.clone(), wait_from(rx2));
|
||||
|
||||
tokio::spawn(shutdown_signal(vec![tx1, tx2]));
|
||||
tokio::spawn(sys.bootstrap());
|
||||
tokio::spawn(garage.system.clone().bootstrap());
|
||||
|
||||
futures::try_join!(rpc_server, api_server)?;
|
||||
Ok(())
|
||||
|
|
|
|||
116
src/table.rs
Normal file
116
src/table.rs
Normal file
|
|
@ -0,0 +1,116 @@
|
|||
use std::marker::PhantomData;
|
||||
use std::time::Duration;
|
||||
use std::sync::Arc;
|
||||
use serde::{Serialize, Deserialize};
|
||||
use async_trait::async_trait;
|
||||
|
||||
use crate::error::Error;
|
||||
use crate::proto::*;
|
||||
use crate::data::*;
|
||||
use crate::membership::System;
|
||||
use crate::rpc_client::*;
|
||||
|
||||
|
||||
pub struct Table<F: TableFormat> {
|
||||
phantom: PhantomData<F>,
|
||||
|
||||
pub name: String,
|
||||
|
||||
pub system: Arc<System>,
|
||||
pub store: sled::Tree,
|
||||
pub partitions: Vec<Partition>,
|
||||
|
||||
pub param: TableReplicationParams,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct TableReplicationParams {
|
||||
pub replication_factor: usize,
|
||||
pub read_quorum: usize,
|
||||
pub write_quorum: usize,
|
||||
pub timeout: Duration,
|
||||
}
|
||||
|
||||
#[async_trait]
|
||||
pub trait TableRpcHandler {
|
||||
async fn handle(&self, rpc: &[u8]) -> Result<Vec<u8>, Error>;
|
||||
}
|
||||
|
||||
struct TableRpcHandlerAdapter<F: TableFormat> {
|
||||
table: Arc<Table<F>>,
|
||||
}
|
||||
|
||||
#[async_trait]
|
||||
impl<F: TableFormat + 'static> TableRpcHandler for TableRpcHandlerAdapter<F> {
|
||||
async fn handle(&self, rpc: &[u8]) -> Result<Vec<u8>, Error> {
|
||||
let msg = rmp_serde::decode::from_read_ref::<_, TableRPC<F>>(rpc)?;
|
||||
let rep = self.table.handle(msg).await?;
|
||||
Ok(rmp_serde::encode::to_vec_named(&rep)?)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Serialize, Deserialize)]
|
||||
pub enum TableRPC<F: TableFormat> {
|
||||
Update(F::K, F::V),
|
||||
}
|
||||
|
||||
pub struct Partition {
|
||||
pub begin: Hash,
|
||||
pub end: Hash,
|
||||
pub other_nodes: Vec<UUID>,
|
||||
}
|
||||
|
||||
pub trait KeyHash {
|
||||
fn hash(&self) -> Hash;
|
||||
}
|
||||
|
||||
pub trait ValueMerge {
|
||||
fn merge(&mut self, other: &Self);
|
||||
}
|
||||
|
||||
#[async_trait]
|
||||
pub trait TableFormat: Send + Sync {
|
||||
type K: Clone + Serialize + for<'de> Deserialize<'de> + KeyHash + Send + Sync;
|
||||
type V: Clone + Serialize + for<'de> Deserialize<'de> + ValueMerge + Send + Sync;
|
||||
|
||||
async fn updated(&self, key: &Self::K, old: Option<&Self::V>, new: &Self::V);
|
||||
}
|
||||
|
||||
impl<F: TableFormat + 'static> Table<F> {
|
||||
pub fn new(system: Arc<System>, db: &sled::Db, name: String, param: TableReplicationParams) -> Self {
|
||||
let store = db.open_tree(&name)
|
||||
.expect("Unable to open DB tree");
|
||||
Self{
|
||||
phantom: PhantomData::default(),
|
||||
name,
|
||||
system,
|
||||
store,
|
||||
partitions: Vec::new(),
|
||||
param,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn rpc_handler(self: Arc<Self>) -> Box<dyn TableRpcHandler + Send + Sync> {
|
||||
Box::new(TableRpcHandlerAdapter::<F>{ table: self })
|
||||
}
|
||||
|
||||
pub async fn insert(&self, k: &F::K, v: &F::V) -> Result<(), Error> {
|
||||
unimplemented!();
|
||||
|
||||
let hash = k.hash();
|
||||
let who = self.system.members.read().await
|
||||
.walk_ring(&hash, self.param.replication_factor);
|
||||
|
||||
let msg = rmp_serde::encode::to_vec_named(&TableRPC::<F>::Update(k.clone(), v.clone()))?;
|
||||
rpc_try_call_many(self.system.clone(),
|
||||
&who[..],
|
||||
&Message::TableRPC(self.name.to_string(), msg),
|
||||
self.param.write_quorum,
|
||||
self.param.timeout).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle(&self, msg: TableRPC<F>) -> Result<TableRPC<F>, Error> {
|
||||
unimplemented!()
|
||||
}
|
||||
}
|
||||
59
src/version_table.rs
Normal file
59
src/version_table.rs
Normal file
|
|
@ -0,0 +1,59 @@
|
|||
use std::sync::Arc;
|
||||
use serde::{Serialize, Deserialize};
|
||||
use async_trait::async_trait;
|
||||
|
||||
use crate::data::*;
|
||||
use crate::table::*;
|
||||
use crate::membership::System;
|
||||
|
||||
|
||||
#[derive(Clone, Debug, Serialize, Deserialize)]
|
||||
pub struct VersionMetaKey {
|
||||
pub bucket: String,
|
||||
pub key: String,
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug, Serialize, Deserialize)]
|
||||
pub struct VersionMetaValue {
|
||||
pub timestamp: u64,
|
||||
pub uuid: UUID,
|
||||
|
||||
pub mime_type: String,
|
||||
pub size: u64,
|
||||
pub is_complete: bool,
|
||||
|
||||
pub data: VersionData,
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug, Serialize, Deserialize)]
|
||||
pub enum VersionData {
|
||||
DeleteMarker,
|
||||
Inline(#[serde(with="serde_bytes")] Vec<u8>),
|
||||
FirstBlock(Hash),
|
||||
}
|
||||
|
||||
pub struct VersionTable {
|
||||
system: Arc<System>,
|
||||
}
|
||||
|
||||
impl KeyHash for VersionMetaKey {
|
||||
fn hash(&self) -> Hash {
|
||||
hash(self.bucket.as_bytes())
|
||||
}
|
||||
}
|
||||
|
||||
impl ValueMerge for VersionMetaValue {
|
||||
fn merge(&mut self, other: &Self) {
|
||||
unimplemented!()
|
||||
}
|
||||
}
|
||||
|
||||
#[async_trait]
|
||||
impl TableFormat for VersionTable {
|
||||
type K = VersionMetaKey;
|
||||
type V = VersionMetaValue;
|
||||
|
||||
async fn updated(&self, key: &Self::K, old: Option<&Self::V>, new: &Self::V) {
|
||||
unimplemented!()
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue