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fatality based errors (#4448)

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* seed commit for fatality based errors

* fatality

* first draft of fatality

* cleanup

* differnt approach

* simplify

* first working version for enums, with documentation

* add split

* fix simple split test case

* extend README.md

* update fatality impl

* make tests passed

* apply fatality to first subsystem

* fatality fixes

* use fatality in a subsystem

* fix subsystemg

* fixup proc macro

* fix/test: log::*! do not execute when log handler is missing

* fix spelling

* rename Runtime2 to something sane

* allow nested split with `forward` annotations

* add free license

* enable and fixup all tests

* use external fatality

Makes this more reviewable.

* bump fatality dep

Avoid duplicate expander compilations.

* migrate availability distribution

* more fatality usage

* chore: bump fatality to 0.0.6

* fixup remaining subsystems

* chore: fmt

* make cargo spellcheck happy

* remove single instance of `#[fatal(false)]`

* last quality sweep

* fixup
This commit is contained in:
Bernhard Schuster
2022-02-25 18:25:26 +01:00
committed by GitHub
parent 85fa087405
commit d946582707
48 changed files with 425 additions and 659 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/node/network/dispute-distribution/src/lib.rs
+5 -5
View File
@@ -82,7 +82,7 @@ use self::receiver::DisputesReceiver;
/// Error and [`Result`] type for this subsystem.
mod error;
use error::{log_error, Fatal, FatalResult, Result};
use error::{log_error, FatalError, FatalResult, Result};
#[cfg(test)]
mod tests;
@@ -160,7 +160,7 @@ where
}
/// Start processing work as passed on from the Overseer.
async fn run<Context>(mut self, mut ctx: Context) -> std::result::Result<(), Fatal>
async fn run<Context>(mut self, mut ctx: Context) -> std::result::Result<(), FatalError>
where
Context: SubsystemContext<Message = DisputeDistributionMessage>
+ overseer::SubsystemContext<Message = DisputeDistributionMessage>
@@ -176,7 +176,7 @@ where
self.metrics.clone(),
);
ctx.spawn("disputes-receiver", receiver.run().boxed())
.map_err(Fatal::SpawnTask)?;
.map_err(FatalError::SpawnTask)?;
loop {
let message = MuxedMessage::receive(&mut ctx, &mut self.sender_rx).await;
@@ -197,7 +197,7 @@ where
},
MuxedMessage::Sender(result) => {
self.disputes_sender
.on_task_message(result.ok_or(Fatal::SenderExhausted)?)
.on_task_message(result.ok_or(FatalError::SenderExhausted)?)
.await;
},
}
@@ -254,7 +254,7 @@ impl MuxedMessage {
let from_overseer = ctx.recv().fuse();
futures::pin_mut!(from_overseer, from_sender);
futures::select!(
msg = from_overseer => MuxedMessage::Subsystem(msg.map_err(Fatal::SubsystemReceive)),
msg = from_overseer => MuxedMessage::Subsystem(msg.map_err(FatalError::SubsystemReceive)),
msg = from_sender.next() => MuxedMessage::Sender(msg),
)
}