run_detection_task

server/src/services/analytic_service/analytic_service.rs

@@ -33,7 +33,8 @@ pub struct AnalyticService {
     learning_handler: Option<tokio::task::JoinHandle<()>>,
 
     // awaiters
-    learning_waiter: Vec<DetectionTask>
+    learning_waiters: Vec<DetectionTask>
+    
 }
 
 impl AnalyticService {
@@ -56,7 +57,7 @@ impl AnalyticService {
             learning_handler: None,
 
             // awaiters
-            learning_waiter: Vec::new()
+            learning_waiters: Vec::new()
         }
     }
 
@@ -64,8 +65,16 @@ impl AnalyticService {
         AnalyticClient::new(self.tx.clone())
     }
 
-    fn run_detection_task(task: DetectionTask) {
+    fn run_detection_task(&self, task: DetectionTask) {
-        // TODO: implement
+        // TODO: save handler of the task
+        tokio::spawn({
+            let lr = self.learning_results.unwrap().clone();
+            let ms = self.metric_service.clone();
+            async move {
+            AnalyticService::get_pattern_detection(
+                task.sender, lr, ms, task.from, task.to
+            );
+        }});
     }
 
     fn consume_request(&mut self, req: types::RequestType) -> () {
@@ -94,9 +103,9 @@ impl AnalyticService {
                 //     }
                 // }
                 if self.learning_status == LearningStatus::Ready {
-                    AnalyticService::run_detection_task(task)
+                    AnalyticService::run_detection_task(task);
                 } else {
-                    self.learning_waiter.push(task);
+                    self.learning_waiters.push(task);
                 }
             },
             RequestType::GetStatus(tx) => {
@@ -115,6 +124,10 @@ impl AnalyticService {
                 self.learning_status = LearningStatus::Ready;
 
                 // TODO: run tasks from self.learning_waiter
+                while self.learning_waiters.len() > 0 {
+                    let task = self.learning_waiters.pop().unwrap();
+                    AnalyticService::run_detection_task(task);
+                }
             },
             ResponseType::LearningFinishedEmpty => {
                 self.learning_results = None;
@@ -203,10 +216,8 @@ impl AnalyticService {
         }
     }
 
-    async fn get_pattern_detection(tx: oneshot::Sender<Vec<Segment>>, lr: LearningResults, ms: MetricService, from: u64, to: u64) {
+    async fn get_pattern_detection(tx: oneshot::Sender<anyhow::Result<Vec<Segment>>>, lr: LearningResults, ms: MetricService, from: u64, to: u64) {
-        
         
-
         let prom = ms.get_prom();
         
         let pt = pattern_detector::PatternDetector::new(lr);

server/src/services/analytic_service/types.rs

@@ -1,6 +1,7 @@
 use crate::services::segments_service::Segment;
 
 use super::pattern_detector::LearningResults;
+use anyhow::Result;
 use serde::Serialize;
 use tokio::sync::oneshot;
 
@@ -22,8 +23,8 @@ pub enum ResponseType {
 
 #[derive(Debug)]
 pub struct DetectionTask {
-    pub sender: oneshot::Sender<LearningStatus>,
+    pub sender: oneshot::Sender<Result<Vec<Segment>>>,
-    pub from: u64, 
+    pub from: u64,
     pub to: u64
 }