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@ -6,70 +6,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased]
## [0.7.2] - 2025-06-25
### Added
- add wait
- add conditional, allows adding or waiting for close
### Fixed
- *(deps)* update rust crate async-trait to v0.1.86 (#28)
- *(deps)* update rust crate rand to 0.9.0 (#27)
- *(deps)* update rust crate thiserror to v2.0.11 (#26)
- *(deps)* update all dependencies (#25)
- *(deps)* update rust crate async-trait to v0.1.84 (#24)
- *(deps)* update rust crate thiserror to v2.0.9 (#22)
- *(deps)* update rust crate thiserror to v2.0.8 (#21)
- *(deps)* update rust crate thiserror to v2.0.7 (#20)
- *(deps)* update rust crate thiserror to v2.0.6 (#19)
- *(deps)* update rust crate thiserror to v2.0.5 (#18)
- *(deps)* update rust crate tokio-util to v0.7.13 (#17)
### Other
- chore
- *(deps)* update all dependencies (#29)
- *(deps)* update rust crate anyhow to v1.0.95 (#23)
- *(deps)* update all dependencies (#16)
- *(deps)* update rust crate tracing-subscriber to v0.3.19 (#15)
- *(deps)* update rust crate tracing to v0.1.41 (#13)
## [0.7.1] - 2024-11-24
### Fixed
- make sure to close on final
## [0.7.0] - 2024-11-24
### Added
- actually bubble up errors
### Fixed
- *(deps)* update rust crate thiserror to v2 (#9)
## [0.6.0] - 2024-11-23
### Added
- adding test to make sure we can gracefully shutdown
- make sure to close down properly
## [0.5.0] - 2024-11-19
### Added
- update name
- respect sigterm
- include author
- update with rename
### Docs
- add examples
## [0.4.0] - 2024-08-07
### Added
- add correction
- add small docs
## [0.3.0] - 2024-08-07
### Added

280
Cargo.lock generated
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3d61fa4ffa3de412bfea335c6ecff681de2b609ba3c77ef3e00e521813a9ed9e"
checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
dependencies = [
"backtrace",
"bytes",
@ -575,9 +579,9 @@ dependencies = [
[[package]]
name = "tokio-macros"
version = "2.5.0"
version = "2.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
dependencies = [
"proc-macro2",
"quote",
@ -586,9 +590,9 @@ dependencies = [
[[package]]
name = "tokio-util"
version = "0.7.13"
version = "0.7.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7fcaa8d55a2bdd6b83ace262b016eca0d79ee02818c5c1bcdf0305114081078"
checksum = "9cf6b47b3771c49ac75ad09a6162f53ad4b8088b76ac60e8ec1455b31a189fe1"
dependencies = [
"bytes",
"futures-core",
@ -599,9 +603,9 @@ dependencies = [
[[package]]
name = "tracing"
version = "0.1.41"
version = "0.1.40"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
dependencies = [
"log",
"pin-project-lite",
@ -611,9 +615,9 @@ dependencies = [
[[package]]
name = "tracing-attributes"
version = "0.1.28"
version = "0.1.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "395ae124c09f9e6918a2310af6038fba074bcf474ac352496d5910dd59a2226d"
checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
dependencies = [
"proc-macro2",
"quote",
@ -622,9 +626,9 @@ dependencies = [
[[package]]
name = "tracing-core"
version = "0.1.33"
version = "0.1.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
dependencies = [
"once_cell",
"valuable",
@ -643,9 +647,9 @@ dependencies = [
[[package]]
name = "tracing-subscriber"
version = "0.3.19"
version = "0.3.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
dependencies = [
"matchers",
"nu-ansi-term",
@ -682,9 +686,9 @@ dependencies = [
[[package]]
name = "unicode-ident"
version = "1.0.13"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "valuable"
@ -698,15 +702,6 @@ version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "wasi"
version = "0.13.3+wasi-0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
dependencies = [
"wit-bindgen-rt",
]
[[package]]
name = "winapi"
version = "0.3.9"
@ -802,15 +797,6 @@ version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "wit-bindgen-rt"
version = "0.33.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
dependencies = [
"bitflags",
]
[[package]]
name = "zerocopy"
version = "0.7.35"
@ -818,16 +804,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
dependencies = [
"byteorder",
"zerocopy-derive 0.7.35",
]
[[package]]
name = "zerocopy"
version = "0.8.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a367f292d93d4eab890745e75a778da40909cab4d6ff8173693812f79c4a2468"
dependencies = [
"zerocopy-derive 0.8.14",
"zerocopy-derive",
]
[[package]]
@ -840,14 +817,3 @@ dependencies = [
"quote",
"syn",
]
[[package]]
name = "zerocopy-derive"
version = "0.8.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3931cb58c62c13adec22e38686b559c86a30565e16ad6e8510a337cedc611e1"
dependencies = [
"proc-macro2",
"quote",
"syn",
]

View File

@ -3,7 +3,7 @@ members = ["crates/*"]
resolver = "2"
[workspace.package]
version = "0.7.2"
version = "0.3.0"
[workspace.dependencies]
mad = { path = "crates/mad" }

View File

@ -41,11 +41,3 @@ async fn main() -> anyhow::Result<()> {
}
```
## Examples
Can be found (here)[crates/mad/examples]
- basic
- fn
- signals
- error_log

View File

@ -1,19 +1,15 @@
[package]
name = "notmad"
name = "mad"
version.workspace = true
description = "notmad is a life-cycle manager for long running rust operations"
license = "MIT"
repository = "https://github.com/kjuulh/mad"
authors = ["kjuulh"]
edition = "2024"
edition = "2021"
[dependencies]
anyhow.workspace = true
async-trait = "0.1.81"
futures = "0.3.30"
futures-util = "0.3.30"
rand = "0.9.0"
thiserror = "2.0.0"
rand = "0.8.5"
thiserror = "1.0.63"
tokio.workspace = true
tokio-util = "0.7.11"
tracing.workspace = true

View File

@ -5,12 +5,12 @@ use tracing::Level;
struct WaitServer {}
#[async_trait]
impl notmad::Component for WaitServer {
impl mad::Component for WaitServer {
fn name(&self) -> Option<String> {
Some("WaitServer".into())
}
async fn run(&self, cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
let millis_wait = rand::thread_rng().gen_range(500..3000);
tracing::debug!("waiting: {}ms", millis_wait);
@ -28,7 +28,7 @@ async fn main() -> anyhow::Result<()> {
.with_max_level(Level::TRACE)
.init();
notmad::Mad::builder()
mad::Mad::builder()
.add(WaitServer {})
.add(WaitServer {})
.add(WaitServer {})

View File

@ -5,12 +5,12 @@ use tracing::Level;
struct ErrorServer {}
#[async_trait]
impl notmad::Component for ErrorServer {
impl mad::Component for ErrorServer {
fn name(&self) -> Option<String> {
Some("ErrorServer".into())
}
async fn run(&self, cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
let millis_wait = rand::thread_rng().gen_range(500..3000);
tracing::debug!("waiting: {}ms", millis_wait);
@ -18,7 +18,7 @@ impl notmad::Component for ErrorServer {
// Simulates a server running for some time. Is normally supposed to be futures blocking indefinitely
tokio::time::sleep(std::time::Duration::from_millis(millis_wait)).await;
Err(notmad::MadError::Inner(anyhow::anyhow!("expected error")))
Err(mad::MadError::Inner(anyhow::anyhow!("expected error")))
}
}
@ -30,7 +30,7 @@ async fn main() -> anyhow::Result<()> {
// Do note that only the first server which returns an error is guaranteed to be handled. This is because if servers don't respect cancellation, they will be dropped
notmad::Mad::builder()
mad::Mad::builder()
.add(ErrorServer {})
.add(ErrorServer {})
.add(ErrorServer {})

View File

@ -5,12 +5,12 @@ use tracing::Level;
struct WaitServer {}
#[async_trait]
impl notmad::Component for WaitServer {
impl mad::Component for WaitServer {
fn name(&self) -> Option<String> {
Some("WaitServer".into())
}
async fn run(&self, _cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
let millis_wait = rand::thread_rng().gen_range(500..3000);
tracing::debug!("waiting: {}ms", millis_wait);
@ -28,11 +28,9 @@ async fn main() -> anyhow::Result<()> {
.with_max_level(Level::TRACE)
.init();
let item = "some item".to_string();
notmad::Mad::builder()
mad::Mad::builder()
.add(WaitServer {})
.add_fn(|_cancel| async move {
.add_fn(|cancel| async move {
let millis_wait = 50;
tracing::debug!("waiting: {}ms", millis_wait);
@ -42,24 +40,6 @@ async fn main() -> anyhow::Result<()> {
Ok(())
})
.add_fn(move |_cancel| {
// I am an actual closure
let item = item.clone();
async move {
let _item = item;
let millis_wait = 50;
tracing::debug!("waiting: {}ms", millis_wait);
// Simulates a server running for some time. Is normally supposed to be futures blocking indefinitely
tokio::time::sleep(std::time::Duration::from_millis(millis_wait)).await;
Ok(())
}
})
.run()
.await?;

View File

@ -5,12 +5,12 @@ use tracing::Level;
struct WaitServer {}
#[async_trait]
impl notmad::Component for WaitServer {
impl mad::Component for WaitServer {
fn name(&self) -> Option<String> {
Some("WaitServer".into())
}
async fn run(&self, cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
let millis_wait = rand::thread_rng().gen_range(500..3000);
tracing::debug!("waiting: {}ms", millis_wait);
@ -24,12 +24,12 @@ impl notmad::Component for WaitServer {
struct RespectCancel {}
#[async_trait]
impl notmad::Component for RespectCancel {
impl mad::Component for RespectCancel {
fn name(&self) -> Option<String> {
Some("RespectCancel".into())
}
async fn run(&self, cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
cancellation.cancelled().await;
tracing::debug!("stopping because job is cancelled");
@ -39,12 +39,12 @@ impl notmad::Component for RespectCancel {
struct NeverStopServer {}
#[async_trait]
impl notmad::Component for NeverStopServer {
impl mad::Component for NeverStopServer {
fn name(&self) -> Option<String> {
Some("NeverStopServer".into())
}
async fn run(&self, cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
// Simulates a server running for some time. Is normally supposed to be futures blocking indefinitely
tokio::time::sleep(std::time::Duration::from_millis(999999999)).await;
@ -58,7 +58,7 @@ async fn main() -> anyhow::Result<()> {
.with_max_level(Level::TRACE)
.init();
notmad::Mad::builder()
mad::Mad::builder()
.add(WaitServer {})
.add(NeverStopServer {})
.add(RespectCancel {})

View File

@ -1,14 +1,9 @@
use futures::stream::FuturesUnordered;
use futures_util::StreamExt;
use std::{fmt::Display, sync::Arc};
use tokio::signal::unix::{SignalKind, signal};
use tokio_util::sync::CancellationToken;
use crate::waiter::Waiter;
mod waiter;
#[derive(thiserror::Error, Debug)]
pub enum MadError {
#[error("component failed: {0}")]
@ -74,23 +69,6 @@ impl Mad {
self
}
pub fn add_conditional(&mut self, condition: bool, component: impl IntoComponent) -> &mut Self {
if condition {
self.components.push(component.into_component());
} else {
self.components
.push(Waiter::new(component.into_component()).into_component())
}
self
}
pub fn add_wait(&mut self) -> &mut Self {
self.components.push(Waiter::default().into_component());
self
}
pub fn add_fn<F, Fut>(&mut self, f: F) -> &mut Self
where
F: Fn(CancellationToken) -> Fut + Send + Sync + 'static,
@ -116,12 +94,11 @@ impl Mad {
let close_result = self.close_components().await;
tracing::info!("mad is closed down");
match (run_result, close_result) {
(Err(run), Err(close)) => {
return Err(MadError::AggregateError(AggregateError {
errors: vec![run, close],
}));
}))
}
(Ok(_), Ok(_)) => {}
(Ok(_), Err(close)) => return Err(close),
@ -154,7 +131,6 @@ impl Mad {
let mut channels = Vec::new();
let cancellation_token = CancellationToken::new();
let job_cancellation = CancellationToken::new();
let job_done = CancellationToken::new();
for comp in &self.components {
let comp = comp.clone();
@ -176,51 +152,18 @@ impl Mad {
res = comp.run(job_cancellation) => {
error_tx.send(CompletionResult { res , name }).await
}
_ = tokio::signal::ctrl_c() => {
error_tx.send(CompletionResult { res: Ok(()) , name }).await
}
}
});
}
tokio::spawn({
let cancellation_token = cancellation_token;
let job_done = job_done.child_token();
let wait_cancel = self.should_cancel;
async move {
let should_cancel =
|cancel: CancellationToken,
global_cancel: CancellationToken,
wait: Option<std::time::Duration>| async move {
if let Some(cancel_wait) = wait {
cancel.cancel();
tokio::time::sleep(cancel_wait).await;
global_cancel.cancel();
}
};
tokio::select! {
_ = cancellation_token.cancelled() => {
job_cancellation.cancel();
}
_ = job_done.cancelled() => {
should_cancel(job_cancellation, cancellation_token, wait_cancel).await;
}
_ = tokio::signal::ctrl_c() => {
should_cancel(job_cancellation, cancellation_token,wait_cancel).await;
}
_ = signal_unix_terminate() => {
should_cancel(job_cancellation, cancellation_token, wait_cancel).await;
}
}
}
});
let mut futures = FuturesUnordered::new();
for channel in channels.iter_mut() {
futures.push(channel.recv());
}
let mut errors = Vec::new();
while let Some(Some(msg)) = futures.next().await {
match msg.res {
Err(e) => {
@ -229,20 +172,21 @@ impl Mad {
component = msg.name,
"component ran to completion with error"
);
errors.push(e);
}
Ok(_) => {
tracing::debug!(component = msg.name, "component ran to completion");
}
}
job_done.cancel();
job_cancellation.cancel();
if let Some(cancel_wait) = self.should_cancel {
tokio::time::sleep(cancel_wait).await;
cancellation_token.cancel();
}
}
tracing::debug!("ran components");
if !errors.is_empty() {
return Err(MadError::AggregateError(AggregateError { errors }));
}
Ok(())
}
@ -264,11 +208,6 @@ impl Mad {
}
}
async fn signal_unix_terminate() {
let mut sigterm = signal(SignalKind::terminate()).expect("Failed to bind SIGTERM handler");
sigterm.recv().await;
}
#[async_trait::async_trait]
pub trait Component {
fn name(&self) -> Option<String> {

View File

@ -1,48 +0,0 @@
use std::sync::Arc;
use async_trait::async_trait;
use tokio_util::sync::CancellationToken;
use crate::{Component, MadError};
pub struct DefaultWaiter {}
#[async_trait]
impl Component for DefaultWaiter {
async fn run(&self, _cancellation_token: CancellationToken) -> Result<(), MadError> {
panic!("should never be called");
}
}
pub struct Waiter {
comp: Arc<dyn Component + Send + Sync + 'static>,
}
impl Default for Waiter {
fn default() -> Self {
Self {
comp: Arc::new(DefaultWaiter {}),
}
}
}
impl Waiter {
pub fn new(c: Arc<dyn Component + Send + Sync + 'static>) -> Self {
Self { comp: c }
}
}
#[async_trait]
impl Component for Waiter {
fn name(&self) -> Option<String> {
match self.comp.name() {
Some(name) => Some(format!("waiter/{name}")),
None => Some("waiter".into()),
}
}
async fn run(&self, cancellation_token: CancellationToken) -> Result<(), MadError> {
cancellation_token.cancelled().await;
Ok(())
}
}

View File

@ -1,9 +1,6 @@
use std::sync::Arc;
use async_trait::async_trait;
use notmad::{Component, Mad};
use mad::{Component, Mad};
use rand::Rng;
use tokio::sync::Mutex;
use tokio_util::sync::CancellationToken;
use tracing_test::traced_test;
@ -15,7 +12,7 @@ impl Component for NeverEndingRun {
Some("NeverEndingRun".into())
}
async fn run(&self, cancellation: CancellationToken) -> Result<(), notmad::MadError> {
async fn run(&self, cancellation: CancellationToken) -> Result<(), mad::MadError> {
let millis_wait = rand::thread_rng().gen_range(50..1000);
tokio::time::sleep(std::time::Duration::from_millis(millis_wait)).await;
@ -89,51 +86,3 @@ async fn test_can_run_components() -> anyhow::Result<()> {
Ok(())
}
#[tokio::test]
#[traced_test]
async fn test_can_shutdown_gracefully() -> anyhow::Result<()> {
let check = Arc::new(Mutex::new(None));
Mad::builder()
.add_fn({
let check = check.clone();
move |cancel| {
let check = check.clone();
async move {
let start = std::time::SystemTime::now();
tracing::info!("waiting for cancel");
cancel.cancelled().await;
tracing::info!("submitting check");
let mut check = check.lock().await;
let elapsed = start.elapsed().expect("to be able to get elapsed");
*check = Some(elapsed);
tracing::info!("check submitted");
Ok(())
}
}
})
.add_fn(|_| async move {
tracing::info!("starting sleep");
tokio::time::sleep(std::time::Duration::from_millis(100)).await;
tracing::info!("sleep ended");
Ok(())
})
.run()
.await?;
let check = check
.lock()
.await
.expect("to be able to get a duration from cancel");
// We default wait 100 ms for graceful shutdown, and we explicitly wait 100ms in the sleep routine
tracing::info!("check millis: {}", check.as_millis());
assert!(check.as_millis() < 250);
Ok(())
}

View File

@ -1,3 +0,0 @@
{
"$schema": "https://docs.renovatebot.com/renovate-schema.json"
}