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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/statement-distribution/src/responder.rs
+8 -7
View File
@@ -20,9 +20,10 @@ use futures::{
SinkExt, StreamExt,
};
use fatality::Nested;
use polkadot_node_network_protocol::{
request_response::{
incoming::{self, OutgoingResponse},
incoming::OutgoingResponse,
v1::{StatementFetchingRequest, StatementFetchingResponse},
IncomingRequestReceiver, MAX_PARALLEL_STATEMENT_REQUESTS,
},
@@ -74,16 +75,16 @@ pub async fn respond(
pending_out.next().await;
}
let req = match receiver.recv(|| vec![COST_INVALID_REQUEST]).await {
Err(incoming::Error::Fatal(f)) => {
tracing::debug!(target: LOG_TARGET, error = ?f, "Shutting down request responder");
let req = match receiver.recv(|| vec![COST_INVALID_REQUEST]).await.into_nested() {
Ok(Ok(v)) => v,
Err(fatal) => {
tracing::debug!(target: LOG_TARGET, error = ?fatal, "Shutting down request responder");
return
},
Err(incoming::Error::NonFatal(err)) => {
tracing::debug!(target: LOG_TARGET, ?err, "Decoding request failed");
Ok(Err(jfyi)) => {
tracing::debug!(target: LOG_TARGET, error = ?jfyi, "Decoding request failed");
continue
},
Ok(v) => v,
};
let (tx, rx) = oneshot::channel();