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//! Atomic local Reporter-property changes through the existing notification owner.
use super::audit_reporter::{DeliveryCompletion, deliver, encode_notification, small_value};
use super::*;
use bacnet_objects::{
audit::{AuditReporterChangeSink, AuditReporterConfiguration, AuditReporterStatus},
clock::ClockFrame,
device::AuditWriteSource,
};
use bacnet_types::{
constructed::{AuditPropertyReference, BACnetAuditNotification, BACnetRecipient},
enums::AuditOperation,
primitives::BACnetTimeStamp,
};
fn denied() -> Error {
Error::protocol(ErrorClass::SERVICES, ErrorCode::SERVICE_REQUEST_DENIED)
}
impl<T: TransportPort + 'static> AuditReporterChangeSink
for super::audit_recipient::TargetAudit<T>
{
fn is_active(&self) -> bool {
self.owner.is_active()
}
fn send_now(
&self,
reporter: ObjectIdentifier,
status: &Arc<AuditReporterStatus>,
value: bool,
source: Option<&AuditWriteSource>,
clock: Option<ClockFrame>,
) -> Result<(), Error> {
self.command_send_now(reporter, status, value, source, clock)
}
fn change(
&self,
reporter: ObjectIdentifier,
status: &Arc<AuditReporterStatus>,
next: AuditReporterConfiguration,
source: Option<&AuditWriteSource>,
clock: Option<ClockFrame>,
) -> Result<(), Error> {
let before = status.configuration();
let use_after = !before.enabled() && next.enabled();
let elected = self
.association
.select_change(reporter, use_after.then_some((reporter, &next)));
let mut changes = vec![];
if elected.is_some() {
for property in [
PropertyIdentifier::DESCRIPTION,
PropertyIdentifier::MAXIMUM_SEND_DELAY,
PropertyIdentifier::AUDIT_LEVEL,
PropertyIdentifier::AUDITABLE_OPERATIONS,
PropertyIdentifier::ISSUE_CONFIRMED_NOTIFICATIONS,
PropertyIdentifier::MONITORED_OBJECTS,
PropertyIdentifier::AUDIT_PRIORITY_FILTER,
] {
let old = before.property(property);
let new = next.property(property);
let eligible = before.enabled()
|| next.enabled()
|| elected.as_ref().is_some_and(|owner| {
bacnet_objects::audit::ObjectAuditPolicy::default()
.effective_internal(&owner.configuration)
.reports(AuditOperation::WRITE, Some(property), None)
});
if old != new && eligible {
changes.push((property, old, new));
}
}
changes.sort_by_key(|(property, _, _)| property.to_raw());
}
let count = changes.len() as u16;
if count == 0 {
self.transactions.commit_audit_without_worker(|| {
if !self.owner.is_active() {
return Err(denied());
}
super::audit_context_preparation::validate_summary(
status,
&next,
self.device,
self.current_route().as_ref(),
self.max_apdu,
)?;
let context = self
.transactions
.audit_failure_queue(status)
.expect("target context owner")
.prepare_context(status.next_configuration_epoch()?, failure_enabled(&next))?;
status.commit_configuration(next, |_| Ok(()))?;
context.publish();
Ok(())
})?;
} else {
let route = self.current_route();
let apply = |sequence: u16| {
self.transactions.commit_audit(|| {
if !self.owner.is_active() {
return Err(denied());
}
super::audit_context_preparation::validate_summary(
status,
&next,
self.device,
route.as_ref(),
self.max_apdu,
)?;
let context = self
.transactions
.audit_failure_queue(status)
.expect("target context owner")
.prepare_context(
status.next_configuration_epoch()?,
failure_enabled(&next),
)?;
let task = status.commit_configuration(next, |new_token| {
let mut attempts = Vec::with_capacity(changes.len());
for (offset, (property, old, new)) in changes.into_iter().enumerate() {
let elected = elected.as_ref().expect("eligible change");
let route = route.clone().ok_or_else(denied)?;
let confirmed = elected.configuration.confirmed;
let permit =
self.transactions.try_admit_audit().map_err(|_| denied())?;
let reservation = if confirmed {
Some(
self.transactions
.reserve(
route.canonical_peer.clone(),
ConfirmedServiceChoice::CONFIRMED_AUDIT_NOTIFICATION,
)
.map_err(|_| denied())?,
)
} else {
None
};
let timestamp =
match clock.filter(|frame| frame.is_valid_actual_datetime()) {
Some(frame) => BACnetTimeStamp::DateTime {
date: frame.local_date,
time: frame.local_time,
},
None => BACnetTimeStamp::SequenceNumber(
sequence.wrapping_add(offset as u16),
),
};
let notification = BACnetAuditNotification {
source_timestamp: None,
target_timestamp: Some(timestamp),
source_device: source
.map_or(BACnetRecipient::Device(self.device), |source| {
source.device.clone()
}),
source_object: None,
operation: AuditOperation::WRITE,
source_comment: None,
target_comment: None,
invoke_id: source.map(|source| source.invoke_id),
source_user_id: None,
source_user_role: None,
target_device: BACnetRecipient::Device(self.device),
target_object: Some(reporter),
target_property: Some(AuditPropertyReference {
property_identifier: property,
property_array_index: None,
}),
target_priority: None,
target_value: new.as_ref().and_then(small_value),
current_value: old.as_ref().and_then(small_value),
result: None,
};
let invoke = reservation
.as_ref()
.map_or(0, |(operation, _)| operation.invoke_id());
let bytes = encode_notification(
¬ification,
confirmed,
self.max_apdu,
invoke,
)
.ok_or_else(denied)?;
let token = if Arc::ptr_eq(status, &elected.status) {
new_token
} else {
elected.status.begin_delivery()
};
attempts.push((
route,
permit,
reservation,
bytes,
Arc::clone(&elected.status),
token,
));
}
let network = Arc::clone(&self.network);
let deadline = tokio::time::Instant::now() + Duration::from_secs(3);
let attempts: Vec<_> = attempts
.into_iter()
.map(|(route, permit, reservation, bytes, status, epoch)| {
(
route,
permit,
reservation,
bytes,
DeliveryCompletion {
status,
epoch,
finished: false,
},
)
})
.collect();
Ok(async move {
futures_util::future::join_all(attempts.into_iter().map(
|(route, permit, reservation, bytes, completion)| {
let network = Arc::clone(&network);
async move {
let _permit = permit;
let delivered = deliver(
&network,
&route,
&bytes,
reservation,
deadline,
)
.await;
completion.finish(delivered);
}
},
))
.await;
})
})?;
context.publish();
Ok(task)
})
};
if clock.is_some_and(|frame| frame.is_valid_actual_datetime()) {
apply(0)?;
} else {
self.sequence.transaction_many(count, apply)?;
}
}
if let Some(delay) = status.configuration().maximum_send_delay {
self.batches.delay_changed(status, delay);
}
self.association.refresh_overlap();
if let Some(queue) = self.transactions.audit_failure_queue(status) {
queue.recipient_changed();
}
Ok(())
}
}
fn failure_enabled(configuration: &AuditReporterConfiguration) -> bool {
configuration.enabled()
&& configuration
.auditable_operations
.contains(AuditOperation::AUDITING_FAILURE)
}