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//! Same production factory/body/cleanup and write guard; no replacement executor.
use super::*;
use saddle_runtime::profusegw::*;
use saddle_runtime::request_task::reserved_set::ReservedCollectionJoin;
use std::{
alloc::Layout,
pin::pin,
task::{Context, Poll, Waker},
};
fn budget() -> saddle_admission::DeploymentResourceBudget {
let pending = saddle_admission::freeze_deployment_resource_budget(
1, 32, 5000, 1, 1, 1_000_000, 1_000_000, 1_000_000, 1_000_000,
)
.unwrap();
let (app, listener) = saddle_core::BootstrapRendezvousIssuer::issue()
.freeze_application(saddle_core::GeneratedApplicationFreezeSource::new(
"app",
b"descriptor",
&["route"],
))
.unwrap();
let listener = listener
.freeze_listener(saddle_core::ListenerStartupFreezeSource::new(
"app",
"127.0.0.1:8000".parse().unwrap(),
"127.0.0.1:9000".parse().unwrap(),
Duration::from_millis(5000),
))
.ok()
.unwrap();
let (whole, receipt) = saddle_core::pair_bootstrap_rendezvous(app, listener)
.ok()
.unwrap();
saddle_admission::bind_deployment_resource_budget_bootstrap(pending, whole, receipt)
.ok()
.unwrap()
}
fn dispatch(
_: saddle_boundary::ingress::AcceptedIngress,
_: (),
_: BusinessConfig<()>,
_: crate::database_capability::DatabaseRequest,
) -> std::future::Ready<Result<Vec<u8>>> {
std::future::ready(Ok(b"{}".to_vec()))
}
type Dispatch = fn(
saddle_boundary::ingress::AcceptedIngress,
(),
BusinessConfig<()>,
crate::database_capability::DatabaseRequest,
) -> std::future::Ready<Result<Vec<u8>>>;
#[test]
fn formal_factory_matching_join_last_reference_and_partial_write() {
let mut coordinator = pin!(coordinate_profusegw_app_run(budget(), |process| {
std::future::ready(run_profusegw_owned_application(
process,
|lease| async move {
let startup = lease.take_database_startup_half().unwrap();
let observer = saddle_observability::Observer::with_writer(
Default::default(),
std::io::sink(),
)
.unwrap();
let application = saddle_core::ContextLabel::checked("app").unwrap();
let dispatch: Dispatch = dispatch;
let prepared = prepare::<(), (), _, _>("app", &lease, &dispatch).unwrap();
let Prepared {
mut normal,
mut rejected,
indirect,
..
} = prepared;
for mode in 0..3 {
let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
let mut client = TcpStream::connect(listener.local_addr().unwrap())
.await
.unwrap();
let (socket, _) = listener.accept().await.unwrap();
let input = NormalInput {
factory: Some(consumer_storage::NormalFactory {
socket,
adapter: saddle_boundary::ingress::ProfuseGwListenerAdapter::new("app")
.unwrap(),
deployment: Some(()),
business: Some(BusinessConfig::unit()),
ingress_token: None,
dispatch: Arc::new(dispatch),
observer: observer.clone(),
admission: None,
database: None,
diagnostic_handle: None,
}),
retained: EntryOwner::new(),
};
let outcome = lease.try_reserved_dispatch(
application.clone(),
None,
body_layout::<(), (), Dispatch, std::future::Ready<Result<Vec<u8>>>>(),
&indirect,
input,
factory::<(), (), _, _>,
);
let ReservedDispatchOutcome::Ready {
root,
future,
ticket,
} = outcome
else {
panic!("actual factory must fit")
};
let held = root.view(saddle_core::RequestViewPhase::Reading).unwrap();
let abort = normal
.spawn(future, ticket)
.unwrap_or_else(|_| panic!("original task slot"));
if mode == 0 {
abort.abort();
} else {
client.write_all(b"POST / HTTP/1.1\r\n").await.unwrap();
for _ in 0..3 {
tokio::task::yield_now().await;
}
if mode == 1 {
abort.abort();
} else {
client.shutdown().await.unwrap();
}
}
// Completed/aborted tasks still own the slot until their matching join.
while !abort.is_finished() {
tokio::task::yield_now().await;
}
assert_eq!(normal.len(), 1);
assert!(matches!(
lease.try_admit(),
ProfuseGwCoordinatorAdmissionOutcome::CapacityRejected(_)
));
let ReservedCollectionJoin::Matched(joined) = normal.join_next().await.unwrap()
else {
panic!("matching ticket")
};
finish_normal(joined, &observer, None).await;
drop(root);
assert!(matches!(
lease.try_admit(),
ProfuseGwCoordinatorAdmissionOutcome::CapacityRejected(_)
));
if mode == 1 {
// Exactly the production write/select/Drop owner, with 4-byte IO capacity.
let (mut write, mut read) = tokio::io::duplex(4);
let mut retained = None;
let mut future = Box::pin(deliver(
&mut write,
b"abcdefgh",
i64::MAX,
held.clone(),
None,
&mut retained,
));
assert!(matches!(
future
.as_mut()
.poll(&mut Context::from_waker(Waker::noop())),
Poll::Pending
));
let mut bytes = [0; 4];
read.read_exact(&mut bytes).await.unwrap();
assert_eq!(&bytes, b"abcd");
drop(future);
let ReservedDeliveryOutcome::Failed { axes, failure } =
retained.take().unwrap()
else {
panic!("cancel retains failure")
};
assert_eq!(axes.bytes_written, Some(4));
assert!(matches!(
axes.operation,
saddle_core::OperationOutcome::Cancelled
));
let (_, source) = failure.into_parts();
source
.finish(
&held,
None,
RootOutcomeFacts {
axes,
..Default::default()
},
)
.ok()
.unwrap();
}
drop(held);
let ProfuseGwCoordinatorAdmissionOutcome::Ready(owner, _) = lease.try_admit()
else {
panic!("last view must refund")
};
owner.cancel();
println!(
"S_REAL_FACTORY mode={mode} no_refund_before_join no_refund_before_last_view refund_after_last_view PASS"
);
}
println!(
"S_REAL_COLLECTION capacity={} ticket_entry={} rejection_body={}",
normal.capacity(),
Layout::new::<(
tokio::task::Id,
saddle_runtime::request_task::reserved::ReservedTaskTicket<
Owner<
(),
(),
fn(
saddle_boundary::ingress::AcceptedIngress,
(),
BusinessConfig<()>,
crate::database_capability::DatabaseRequest,
)
-> std::future::Ready<Result<Vec<u8>>>,
>,
>
)>()
.size(),
rejected_layout().size()
);
// Actual rejection factory and body, up to the unchanged slot
// bound. Byte capacity may reject before sixteen complete tasks.
let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
let mut slots = Vec::new();
let mut peers = Vec::new();
for _ in 0..16 {
let peer = TcpStream::connect(listener.local_addr().unwrap())
.await
.unwrap();
let (socket, _) = listener.accept().await.unwrap();
let input = RejectedInput {
socket: Some(socket),
code: 503,
admission: None,
retained: EntryOwner::new(),
observer: observer.clone(),
output: None,
};
match lease.try_reserved_rejection(
application.clone(),
None,
rejected_layout(),
&[],
input,
rejected_factory,
) {
Ok(pair) => {
slots.push(pair);
peers.push(peer);
}
Err((input, _, error)) => {
let _facts = record_unrooted_failure(
&application,
None,
UnrootedEntryError::Rejection(&error),
);
drop(input);
break;
}
}
}
assert!(!slots.is_empty());
let fitted = slots.len();
// Grow the actual process table while every complete task is
// retained. The table's old backing remains charged during grow.
rejected.try_capacity(fitted).unwrap();
let held = slots
.last()
.unwrap()
.0
.view(saddle_core::RequestViewPhase::Reading)
.unwrap();
for (root, future, ticket) in slots {
let handle = rejected
.spawn(future, ticket)
.unwrap_or_else(|_| panic!("reserved rejection collection"));
handle.abort();
drop(root);
}
while let Some(join) = rejected.join_next().await {
let ReservedCollectionJoin::Matched(joined) = join else {
panic!("matching rejected ticket")
};
finish_rejected(joined).await;
}
assert_eq!(rejected.len(), 0);
drop((held, peers));
println!(
"S_REAL_REJECTION fitted={fitted} slot_limit=16 retained_capacity={} owner={} body={} matching_abort_cleanup PASS",
rejected.capacity(),
Layout::new::<RejectedInput>().size(),
rejected_layout().size()
);
drop((normal, rejected, startup, lease));
assert!(
std::process::Command::new("kill")
.args(["-TERM", &std::process::id().to_string()])
.status()
.unwrap()
.success()
);
Ok(saddle_runtime::Application::new())
},
))
}));
let Poll::Ready(Ok(())) = coordinator
.as_mut()
.poll(&mut Context::from_waker(Waker::noop()))
else {
panic!("original finalization must reach ZERO")
};
}