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use std::{sync::Arc, time::Duration};
use crate::{
helpers::network::{NetworkMessage, service::NetworkSender},
model::{common::emit_fail, network::RetryNetwork},
};
use crate::helpers::network::ActorMessage;
use async_trait::async_trait;
use ave_common::identity::{PublicKey, Signed};
use network::ComunicateInfo;
use ave_actors::{
Actor, ActorContext, ActorError, ActorPath, ChildAction,
FixedIntervalStrategy, Handler, Message, NotPersistentActor, RetryActor,
RetryMessage, Strategy,
};
use tracing::{Span, debug, error, info_span, warn};
use super::{
Evaluation, EvaluationMessage, request::EvaluationReq,
response::EvaluationRes,
};
/// A struct representing a EvalCoordinator actor.
#[derive(Clone, Debug)]
pub struct EvalCoordinator {
node_key: PublicKey,
request_id: String,
version: u64,
network: Arc<NetworkSender>,
}
impl EvalCoordinator {
pub const fn new(
node_key: PublicKey,
request_id: String,
version: u64,
network: Arc<NetworkSender>,
) -> Self {
Self {
node_key,
request_id,
version,
network,
}
}
}
#[derive(Debug, Clone)]
pub enum EvalCoordinatorMessage {
EndRetry,
NetworkEvaluation {
evaluation_req: Box<Signed<EvaluationReq>>,
node_key: PublicKey,
},
NetworkResponse {
evaluation_res: Box<Signed<EvaluationRes>>,
request_id: String,
version: u64,
sender: PublicKey,
},
}
impl Message for EvalCoordinatorMessage {}
#[async_trait]
impl Actor for EvalCoordinator {
type Event = ();
type Message = EvalCoordinatorMessage;
type Response = ();
fn get_span(id: &str, parent_span: Option<Span>) -> tracing::Span {
parent_span.map_or_else(
|| info_span!("EvalCoordinator", id),
|parent_span| info_span!(parent: parent_span, "EvalCoordinator", id),
)
}
}
impl NotPersistentActor for EvalCoordinator {}
#[async_trait]
impl Handler<Self> for EvalCoordinator {
async fn handle_message(
&mut self,
_sender: ActorPath,
msg: EvalCoordinatorMessage,
ctx: &mut ActorContext<Self>,
) -> Result<(), ActorError> {
match msg {
EvalCoordinatorMessage::EndRetry => {
debug!(
node_key = %self.node_key,
"Retry exhausted, notifying parent and stopping"
);
match ctx.get_parent::<Evaluation>().await {
Ok(evaluation_actor) => {
if let Err(e) = evaluation_actor
.tell(EvaluationMessage::Response {
evaluation_res: EvaluationRes::TimeOut,
signature: None,
sender: self.node_key.clone(),
})
.await
{
error!(
error = %e,
"Failed to send timeout response to evaluation actor"
);
emit_fail(ctx, e).await;
} else {
debug!(
request_id = %self.request_id,
version = self.version,
"Timeout response sent to evaluation actor"
);
}
}
Err(e) => {
error!(
error = %e,
path = %ctx.path().parent(),
"Evaluation actor not found"
);
emit_fail(ctx, e).await;
}
}
ctx.stop(None).await;
}
EvalCoordinatorMessage::NetworkEvaluation {
evaluation_req,
node_key,
} => {
let receiver_actor =
if evaluation_req.content().schema_id.is_gov() {
format!(
"/user/node/subject_manager/{}/evaluator",
evaluation_req.content().governance_id
)
} else {
format!(
"/user/node/subject_manager/{}/{}_evaluation",
evaluation_req.content().governance_id,
evaluation_req.content().schema_id
)
};
// Lanzar evento donde lanzar los retrys
let message = NetworkMessage {
info: ComunicateInfo {
request_id: self.request_id.clone(),
version: self.version,
receiver: node_key.clone(),
receiver_actor,
},
message: ActorMessage::EvaluationReq {
req: evaluation_req,
},
};
let target = RetryNetwork::new(self.network.clone());
#[cfg(any(test, feature = "test"))]
let strategy = Strategy::FixedInterval(
FixedIntervalStrategy::new(1, Duration::from_secs(20)),
);
#[cfg(not(any(test, feature = "test")))]
let strategy = Strategy::FixedInterval(
FixedIntervalStrategy::new(3, Duration::from_secs(60)),
);
let retry_actor = RetryActor::new_with_parent_message::<Self>(
target,
message,
strategy,
EvalCoordinatorMessage::EndRetry,
);
let retry = match ctx
.create_child::<RetryActor<RetryNetwork>, _>(
"retry",
retry_actor,
)
.await
{
Ok(retry) => retry,
Err(e) => {
error!(
msg_type = "NetworkEvaluation",
error = %e,
"Failed to create retry actor"
);
return Err(emit_fail(ctx, e).await);
}
};
if let Err(e) = retry.tell(RetryMessage::Retry).await {
error!(
msg_type = "NetworkEvaluation",
error = %e,
"Failed to send retry message to retry actor"
);
return Err(emit_fail(ctx, e).await);
};
debug!(
msg_type = "NetworkEvaluation",
request_id = %self.request_id,
version = self.version,
node_key = %node_key,
"Evaluation request sent to network with retry"
);
}
EvalCoordinatorMessage::NetworkResponse {
evaluation_res,
request_id,
version,
sender,
} => {
if request_id == self.request_id && version == self.version {
if self.node_key != sender
|| sender != evaluation_res.signature().signer
{
error!(
msg_type = "NetworkResponse",
expected_node = %self.node_key,
sender = %sender,
signer = %evaluation_res.signature().signer,
"Evaluation response sender mismatch"
);
return Err(ActorError::Functional {
description: "We received an evaluation where the request indicates one subject but the info indicates another".to_string()
});
}
if let Err(e) = evaluation_res.verify() {
error!(
msg_type = "NetworkResponse",
error = %e,
"Failed to verify evaluation response signature"
);
return Err(ActorError::Functional {
description: format!(
"Can not verify signature: {}",
e
),
});
}
// Evaluation actor.
match ctx.get_parent::<Evaluation>().await {
Ok(evaluation_actor) => {
if let Err(e) = evaluation_actor
.tell(EvaluationMessage::Response {
evaluation_res: evaluation_res
.content()
.clone(),
sender: self.node_key.clone(),
signature: Some(
evaluation_res.signature().clone(),
),
})
.await
{
error!(
msg_type = "NetworkResponse",
error = %e,
"Failed to send response to evaluation actor"
);
return Err(emit_fail(ctx, e).await);
}
}
Err(e) => {
error!(
msg_type = "NetworkResponse",
path = %ctx.path().parent(),
"Evaluation actor not found"
);
return Err(emit_fail(ctx, e).await);
}
}
'retry: {
let Ok(retry) = ctx
.get_child::<RetryActor<RetryNetwork>>("retry")
.await
else {
// Aquí me da igual, porque al parar este actor para el hijo
break 'retry;
};
if let Err(e) = retry.tell(RetryMessage::End).await {
error!(
msg_type = "NetworkResponse",
error = %e,
"Failed to end retry actor"
);
// Aquí me da igual, porque al parar este actor para el hijo
break 'retry;
};
}
debug!(
msg_type = "NetworkResponse",
request_id = %self.request_id,
version = self.version,
sender = %sender,
"Evaluation response processed successfully"
);
ctx.stop(None).await;
} else {
warn!(
msg_type = "NetworkResponse",
expected_request_id = %self.request_id,
expected_version = self.version,
received_request_id = %request_id,
received_version = version,
"Response with mismatched request id or version"
);
}
}
}
Ok(())
}
async fn on_child_fault(
&mut self,
error: ActorError,
ctx: &mut ActorContext<Self>,
) -> ChildAction {
error!(
request_id = %self.request_id,
version = self.version,
node_key = %self.node_key,
error = %error,
"Child fault in evaluation coordinator"
);
emit_fail(ctx, error).await;
ChildAction::Stop
}
}