Files
Genarrative/server-rs/crates/spacetime-client/src/external_generation.rs
T
2026-07-18 12:22:58 +08:00

612 lines
23 KiB
Rust

use super::*;
use crate::mapper::*;
use spacetimedb_sdk::TableWithPrimaryKey;
use tokio::sync::watch;
const EXTERNAL_GENERATION_QUEUE_WAKE_SUBSCRIPTION_QUERIES: [&str; 2] = [
"SELECT * FROM external_generation_job WHERE status = 'pending'",
"SELECT * FROM external_generation_job WHERE status = 'running'",
];
#[derive(Debug)]
pub enum ExternalGenerationJobPhaseUpdateError {
LeaseFencingRejected(String),
Rejected(String),
Rpc(SpacetimeClientError),
}
impl ExternalGenerationJobPhaseUpdateError {
pub fn is_lease_fencing_rejected(&self) -> bool {
matches!(self, Self::LeaseFencingRejected(_))
}
pub fn is_retryable_transport(&self) -> bool {
matches!(
self,
Self::Rpc(
SpacetimeClientError::Build(_)
| SpacetimeClientError::ConnectDropped
| SpacetimeClientError::Timeout(_)
)
)
}
}
impl std::fmt::Display for ExternalGenerationJobPhaseUpdateError {
fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::LeaseFencingRejected(message) | Self::Rejected(message) => {
formatter.write_str(message)
}
Self::Rpc(error) => std::fmt::Display::fmt(error, formatter),
}
}
}
impl std::error::Error for ExternalGenerationJobPhaseUpdateError {}
pub struct ExternalGenerationQueueWakeSubscription {
connection: DbConnection,
_subscriptions: Vec<SubscriptionHandle>,
_insert_callback: ExternalGenerationJobInsertCallbackId,
_update_callback: ExternalGenerationJobUpdateCallbackId,
_delete_callback: ExternalGenerationJobDeleteCallbackId,
runner: Option<JoinHandle<()>>,
receiver: watch::Receiver<u64>,
}
impl ExternalGenerationQueueWakeSubscription {
pub async fn changed(&mut self) -> Result<(), SpacetimeClientError> {
self.receiver
.changed()
.await
.map_err(|_| SpacetimeClientError::ConnectDropped)
}
}
impl Drop for ExternalGenerationQueueWakeSubscription {
fn drop(&mut self) {
let _ = self.connection.disconnect();
if let Some(runner) = self.runner.take() {
drop(runner);
}
}
}
impl SpacetimeClient {
pub async fn subscribe_external_generation_queue_wake(
&self,
) -> Result<ExternalGenerationQueueWakeSubscription, SpacetimeClientError> {
let config = self.config.clone();
let operation_timeout = config.procedure_timeout;
let (connected_sender, connected_receiver) =
oneshot::channel::<Result<(), SpacetimeClientError>>();
let connected_sender = Arc::new(Mutex::new(Some(connected_sender)));
let connect_sender = connected_sender.clone();
let disconnect_sender = connected_sender.clone();
let connection = timeout(
operation_timeout,
tokio::task::spawn_blocking(move || {
DbConnection::builder()
.with_uri(config.server_url)
.with_database_name(config.database)
.with_token(config.token)
.on_connect(move |_, _, _| {
send_connect_once(&connect_sender, Ok(()));
})
.on_disconnect(move |_, error| {
let message = error
.map(|error| error.to_string())
.unwrap_or_else(|| "SpacetimeDB 队列订阅连接已断开".to_string());
send_connect_once(
&disconnect_sender,
Err(SpacetimeClientError::Procedure(message)),
);
})
.build()
.map_err(|error| SpacetimeClientError::Build(error.to_string()))
}),
)
.await
.map_err(|_| SpacetimeClientError::Timeout(SpacetimeClientStage::ConnectBuild))?
.map_err(|error| SpacetimeClientError::Runtime(error.to_string()))??;
let runner = connection.run_threaded();
timeout(operation_timeout, connected_receiver)
.await
.map_err(|_| SpacetimeClientError::Timeout(SpacetimeClientStage::ConnectHandshake))?
.map_err(|_| SpacetimeClientError::ConnectDropped)??;
let (wake_sender, wake_receiver) = watch::channel(0u64);
let wake_counter = Arc::new(AtomicU64::new(0));
let insert_sender = wake_sender.clone();
let insert_counter = wake_counter.clone();
let update_sender = wake_sender.clone();
let update_counter = wake_counter.clone();
let delete_sender = wake_sender.clone();
let delete_counter = wake_counter.clone();
let insert_callback = connection
.db()
.external_generation_job()
.on_insert(move |_, row| {
if external_generation_queue_row_should_wake(row) {
send_external_generation_queue_wake(&insert_sender, &insert_counter);
}
});
let update_callback =
connection
.db()
.external_generation_job()
.on_update(move |_, old, new| {
if external_generation_queue_row_should_wake(old)
|| external_generation_queue_row_should_wake(new)
{
send_external_generation_queue_wake(&update_sender, &update_counter);
}
});
let delete_callback = connection
.db()
.external_generation_job()
.on_delete(move |_, row| {
if external_generation_queue_row_should_wake(row) {
send_external_generation_queue_wake(&delete_sender, &delete_counter);
}
});
let mut subscriptions = Vec::new();
for query in EXTERNAL_GENERATION_QUEUE_WAKE_SUBSCRIPTION_QUERIES {
let (applied_sender, applied_receiver) =
oneshot::channel::<Result<(), SpacetimeClientError>>();
let applied_sender = Arc::new(Mutex::new(Some(applied_sender)));
let on_applied_sender = applied_sender.clone();
let on_error_sender = applied_sender.clone();
let subscription = connection
.subscription_builder()
.on_applied(move |_| {
send_connect_once(&on_applied_sender, Ok(()));
})
.on_error(move |_, error| {
send_connect_once(
&on_error_sender,
Err(SpacetimeClientError::Procedure(error.to_string())),
);
})
.subscribe(query);
timeout(operation_timeout, applied_receiver)
.await
.map_err(|_| {
SpacetimeClientError::Timeout(SpacetimeClientStage::ReadModelSubscribe)
})?
.map_err(|_| SpacetimeClientError::ConnectDropped)??;
subscriptions.push(subscription);
}
send_external_generation_queue_wake(&wake_sender, &wake_counter);
Ok(ExternalGenerationQueueWakeSubscription {
connection,
_subscriptions: subscriptions,
_insert_callback: insert_callback,
_update_callback: update_callback,
_delete_callback: delete_callback,
runner: Some(runner),
receiver: wake_receiver,
})
}
pub async fn enqueue_external_generation_job(
&self,
input: ExternalGenerationJobEnqueueRecordInput,
) -> Result<ExternalGenerationJobRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"enqueue_external_generation_job_and_return",
move |connection, sender| {
connection
.procedures()
.enqueue_external_generation_job_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn claim_external_generation_jobs(
&self,
input: ExternalGenerationJobClaimRecordInput,
) -> Result<Vec<ExternalGenerationJobRecord>, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"claim_external_generation_jobs_and_return",
move |connection, sender| {
connection
.procedures()
.claim_external_generation_jobs_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_claim_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn complete_external_generation_job(
&self,
input: ExternalGenerationJobCompleteRecordInput,
) -> Result<ExternalGenerationJobRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"complete_external_generation_job_and_return",
move |connection, sender| {
connection
.procedures()
.complete_external_generation_job_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn renew_external_generation_job_lease(
&self,
input: ExternalGenerationJobRenewLeaseRecordInput,
) -> Result<ExternalGenerationJobRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"renew_external_generation_job_lease_and_return",
move |connection, sender| {
connection
.procedures()
.renew_external_generation_job_lease_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn update_external_generation_job_phase(
&self,
input: ExternalGenerationJobPhaseUpdateRecordInput,
) -> Result<ExternalGenerationJobRecord, ExternalGenerationJobPhaseUpdateError> {
let procedure_input = input.into();
let outcome = self
.call_after_connect(
"update_external_generation_job_phase_and_return",
move |connection, sender| {
connection
.procedures()
.update_external_generation_job_phase_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.map(map_external_generation_job_phase_update_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
.map_err(ExternalGenerationJobPhaseUpdateError::Rpc)?;
match outcome {
ExternalGenerationJobPhaseUpdateProcedureOutcome::Updated(job) => Ok(job),
ExternalGenerationJobPhaseUpdateProcedureOutcome::Rejected { kind, message } => {
match kind {
ExternalGenerationJobPhaseUpdateFailureKind::LeaseFencingRejected => Err(
ExternalGenerationJobPhaseUpdateError::LeaseFencingRejected(message),
),
ExternalGenerationJobPhaseUpdateFailureKind::OtherRejected => {
Err(ExternalGenerationJobPhaseUpdateError::Rejected(message))
}
}
}
}
}
pub async fn fail_external_generation_job(
&self,
input: ExternalGenerationJobFailRecordInput,
) -> Result<ExternalGenerationJobRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"fail_external_generation_job_and_return",
move |connection, sender| {
connection
.procedures()
.fail_external_generation_job_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn get_external_generation_job(
&self,
input: ExternalGenerationJobGetRecordInput,
) -> Result<ExternalGenerationJobRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"get_external_generation_job_and_return",
move |connection, sender| {
connection
.procedures()
.get_external_generation_job_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
// TODO icons gen's result query is not prepared for now.
pub async fn get_external_generation_job_generated_artifacts(
&self,
input: ExternalGenerationJobGetRecordInput,
) -> Result<ExternalGenerationJobArtifactsRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"get_external_generation_job_result_and_return",
move |connection, sender| {
connection
.procedures()
.get_external_generation_job_result_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(
map_external_generation_job_result_procedure_generated_artifacts,
);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn get_external_generation_job_summary(
&self,
input: ExternalGenerationJobGetRecordInput,
) -> Result<ExternalGenerationJobSummaryRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"get_external_generation_job_summary_and_return",
move |connection, sender| {
connection
.procedures()
.get_external_generation_job_summary_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_summary_procedure_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn list_external_generation_jobs(
&self,
input: ExternalGenerationJobListRecordInput,
) -> Result<ExternalGenerationJobListRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"list_external_generation_jobs_and_return",
move |connection, sender| {
connection
.procedures()
.list_external_generation_jobs_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_list_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn list_external_generation_job_summaries(
&self,
input: ExternalGenerationJobListRecordInput,
) -> Result<ExternalGenerationJobSummaryListRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"list_external_generation_job_summaries_and_return",
move |connection, sender| {
connection
.procedures()
.list_external_generation_job_summaries_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_summary_list_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn acknowledge_external_generation_jobs(
&self,
input: ExternalGenerationJobAcknowledgeRecordInput,
) -> Result<ExternalGenerationJobListRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"acknowledge_external_generation_jobs_and_return",
move |connection, sender| {
connection
.procedures()
.acknowledge_external_generation_jobs_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_list_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn acknowledge_external_generation_job_summaries(
&self,
input: ExternalGenerationJobAcknowledgeRecordInput,
) -> Result<ExternalGenerationJobSummaryListRecord, SpacetimeClientError> {
let procedure_input = input.into();
self.call_after_connect(
"acknowledge_external_generation_job_summaries_and_return",
move |connection, sender| {
connection
.procedures()
.acknowledge_external_generation_job_summaries_and_return_then(
procedure_input,
move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_job_summary_list_result);
send_once(&sender, mapped);
},
);
},
)
.await
}
pub async fn get_external_generation_queue_stats(
&self,
) -> Result<ExternalGenerationQueueStatsRecord, SpacetimeClientError> {
self.call_after_connect(
"get_external_generation_queue_stats_and_return",
move |connection, sender| {
connection
.procedures()
.get_external_generation_queue_stats_and_return_then(move |_, result| {
let mapped = result
.map_err(SpacetimeClientError::from_sdk_error)
.and_then(map_external_generation_queue_stats_result);
send_once(&sender, mapped);
});
},
)
.await
}
}
fn external_generation_queue_row_should_wake(row: &ExternalGenerationJob) -> bool {
matches!(row.status.as_str(), "pending" | "running")
}
fn send_external_generation_queue_wake(sender: &watch::Sender<u64>, counter: &AtomicU64) {
let next = counter.fetch_add(1, Ordering::Relaxed).saturating_add(1);
let _ = sender.send(next);
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn phase_update_only_retries_transport_errors() {
let build = ExternalGenerationJobPhaseUpdateError::Rpc(SpacetimeClientError::Build(
"initial websocket connect failed".to_string(),
));
assert!(build.is_retryable_transport());
let timeout = ExternalGenerationJobPhaseUpdateError::Rpc(SpacetimeClientError::Timeout(
SpacetimeClientStage::ProcedureResult,
));
assert!(timeout.is_retryable_transport());
assert!(!timeout.is_lease_fencing_rejected());
let disconnected =
ExternalGenerationJobPhaseUpdateError::Rpc(SpacetimeClientError::ConnectDropped);
assert!(disconnected.is_retryable_transport());
let lease = ExternalGenerationJobPhaseUpdateError::LeaseFencingRejected(
"lease token 不匹配".to_string(),
);
assert!(!lease.is_retryable_transport());
assert!(lease.is_lease_fencing_rejected());
let rejected = ExternalGenerationJobPhaseUpdateError::Rejected("phase 非法".to_string());
assert!(!rejected.is_retryable_transport());
assert!(!rejected.is_lease_fencing_rejected());
let procedure = ExternalGenerationJobPhaseUpdateError::Rpc(
SpacetimeClientError::Procedure("procedure rejected".to_string()),
);
assert!(!procedure.is_retryable_transport());
let runtime = ExternalGenerationJobPhaseUpdateError::Rpc(SpacetimeClientError::Runtime(
"runtime invariant failed".to_string(),
));
assert!(!runtime.is_retryable_transport());
}
}