Split code for modular compilation

src/rpc/Cargo.toml

@@ -0,0 +1,37 @@
+[package]
+name = "garage_rpc"
+version = "0.1.0"
+authors = ["Alex Auvolat <alex@adnab.me>"]
+edition = "2018"
+
+[lib]
+path = "lib.rs"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+garage_util = { path = "../util" }
+
+bytes = "0.4"
+rand = "0.7"
+hex = "0.3"
+sha2 = "0.8"
+arc-swap = "0.4"
+gethostname = "0.2"
+log = "0.4"
+
+rmp-serde = "0.14.3"
+serde = { version = "1.0", default-features = false, features = ["derive", "rc"] }
+
+futures = "0.3"
+futures-util = "0.3"
+tokio = { version = "0.2", default-features = false, features = ["rt-core", "rt-threaded", "io-driver", "net", "tcp", "time", "macros", "sync", "signal", "fs"] }
+
+http = "0.2"
+hyper = "0.13"
+rustls = "0.17"
+tokio-rustls = "0.13"
+hyper-rustls = { version = "0.20", default-features = false }
+webpki = "0.21"
+
+

src/rpc/lib.rs

@@ -1,3 +1,6 @@
+#[macro_use]
+extern crate log;
+
 pub mod membership;
 pub mod rpc_client;
 pub mod rpc_server;

src/rpc/membership.rs

@@ -17,12 +17,12 @@ use tokio::prelude::*;
 use tokio::sync::watch;
 use tokio::sync::Mutex;
 
-use crate::background::BackgroundRunner;
-use crate::data::*;
-use crate::error::Error;
+use garage_util::background::BackgroundRunner;
+use garage_util::data::*;
+use garage_util::error::Error;
 
-use crate::rpc::rpc_client::*;
-use crate::rpc::rpc_server::*;
+use crate::rpc_client::*;
+use crate::rpc_server::*;
 
 const PING_INTERVAL: Duration = Duration::from_secs(10);
 const PING_TIMEOUT: Duration = Duration::from_secs(2);

src/rpc/rpc_client.rs

@@ -8,7 +8,6 @@ use std::time::Duration;
 
 use arc_swap::ArcSwapOption;
 use bytes::IntoBuf;
-use err_derive::Error;
 use futures::future::Future;
 use futures::stream::futures_unordered::FuturesUnordered;
 use futures::stream::StreamExt;
@@ -17,36 +16,17 @@ use hyper::client::{Client, HttpConnector};
 use hyper::{Body, Method, Request};
 use tokio::sync::{watch, Semaphore};
 
-use crate::background::BackgroundRunner;
-use crate::data::*;
-use crate::error::Error;
+use garage_util::background::BackgroundRunner;
+use garage_util::config::TlsConfig;
+use garage_util::data::*;
+use garage_util::error::{Error, RPCError};
 
-use crate::rpc::membership::Status;
-use crate::rpc::rpc_server::RpcMessage;
-use crate::rpc::tls_util;
-
-use crate::config::TlsConfig;
+use crate::membership::Status;
+use crate::rpc_server::RpcMessage;
+use crate::tls_util;
 
 const DEFAULT_TIMEOUT: Duration = Duration::from_secs(10);
 
-#[derive(Debug, Error)]
-pub enum RPCError {
-	#[error(display = "Node is down: {:?}.", _0)]
-	NodeDown(UUID),
-	#[error(display = "Timeout: {}", _0)]
-	Timeout(#[error(source)] tokio::time::Elapsed),
-	#[error(display = "HTTP error: {}", _0)]
-	HTTP(#[error(source)] http::Error),
-	#[error(display = "Hyper error: {}", _0)]
-	Hyper(#[error(source)] hyper::Error),
-	#[error(display = "Messagepack encode error: {}", _0)]
-	RMPEncode(#[error(source)] rmp_serde::encode::Error),
-	#[error(display = "Messagepack decode error: {}", _0)]
-	RMPDecode(#[error(source)] rmp_serde::decode::Error),
-	#[error(display = "Too many errors: {:?}", _0)]
-	TooManyErrors(Vec<String>),
-}
-
 #[derive(Copy, Clone)]
 pub struct RequestStrategy {
 	pub rs_timeout: Duration,

src/rpc/rpc_server.rs

@@ -16,11 +16,11 @@ use tokio::net::{TcpListener, TcpStream};
 use tokio_rustls::server::TlsStream;
 use tokio_rustls::TlsAcceptor;
 
-use crate::config::TlsConfig;
-use crate::data::*;
-use crate::error::Error;
+use garage_util::config::TlsConfig;
+use garage_util::data::*;
+use garage_util::error::Error;
 
-use crate::rpc::tls_util;
+use crate::tls_util;
 
 pub trait RpcMessage: Serialize + for<'de> Deserialize<'de> + Send + Sync {}
 

src/rpc/tls_util.rs

@@ -15,7 +15,7 @@ use tokio::io::{AsyncRead, AsyncWrite};
 use tokio_rustls::TlsConnector;
 use webpki::DNSNameRef;
 
-use crate::error::Error;
+use garage_util::error::Error;
 
 pub fn load_certs(filename: &str) -> Result<Vec<rustls::Certificate>, Error> {
 	let certfile = fs::File::open(&filename)?;