jobs-core: change 'timeout' to 'heartbeat_interval'

jobs-core/src/job.rs

@@ -74,15 +74,14 @@ pub trait Job: Serialize + DeserializeOwned + 'static {
     /// Jobs can override
     const BACKOFF: Backoff = Backoff::Exponential(2);
 
-    /// Define the maximum number of milliseconds a job should be allowed to run before being
+    /// Define how often a job should update its heartbeat timestamp
-    /// considered dead.
     ///
     /// This is important for allowing the job server to reap processes that were started but never
     /// completed.
     ///
-    /// Defaults to 15 seconds
+    /// Defaults to 5 seconds
     /// Jobs can override
-    const TIMEOUT: u64 = 15_000;
+    const HEARTBEAT_INTERVAL: u64 = 5_000;
 
     /// Users of this library must define what it means to run a job.
     ///
@@ -118,13 +117,12 @@ pub trait Job: Serialize + DeserializeOwned + 'static {
         Self::BACKOFF
     }
 
-    /// Define the maximum number of milliseconds this job should be allowed to run before being
+    /// Define how often a job should update its heartbeat timestamp
-    /// considered dead.
     ///
     /// This is important for allowing the job server to reap processes that were started but never
     /// completed.
-    fn timeout(&self) -> u64 {
+    fn heartbeat_interval(&self) -> u64 {
-        Self::TIMEOUT
+        Self::HEARTBEAT_INTERVAL
     }
 }
 
@@ -138,7 +136,7 @@ where
         job.queue().to_owned(),
         job.max_retries(),
         job.backoff_strategy(),
-        job.timeout(),
+        job.heartbeat_interval(),
         serde_json::to_value(job).map_err(|_| ToJson)?,
     );
 

jobs-core/src/job_info.rs

@@ -60,7 +60,7 @@ pub struct NewJobInfo {
     /// Milliseconds from execution until the job is considered dead
     ///
     /// This is important for storage implementations to reap unfinished jobs
-    timeout: u64,
+    heartbeat_interval: u64,
 }
 
 impl NewJobInfo {
@@ -73,7 +73,7 @@ impl NewJobInfo {
         queue: String,
         max_retries: MaxRetries,
         backoff_strategy: Backoff,
-        timeout: u64,
+        heartbeat_interval: u64,
         args: Value,
     ) -> Self {
         NewJobInfo {
@@ -83,7 +83,7 @@ impl NewJobInfo {
             max_retries,
             next_queue: None,
             backoff_strategy,
-            timeout,
+            heartbeat_interval,
         }
     }
 
@@ -113,7 +113,7 @@ impl NewJobInfo {
             max_retries: self.max_retries,
             next_queue: self.next_queue.unwrap_or(OffsetDateTime::now_utc()),
             backoff_strategy: self.backoff_strategy,
-            timeout: self.timeout,
+            heartbeat_interval: self.heartbeat_interval,
         }
     }
 }
@@ -159,7 +159,7 @@ pub struct JobInfo {
     /// Milliseconds from execution until the job is considered dead
     ///
     /// This is important for storage implementations to reap unfinished jobs
-    pub timeout: u64,
+    pub heartbeat_interval: u64,
 }
 
 impl JobInfo {

jobs-core/src/storage.rs

@@ -272,16 +272,20 @@ pub mod memory_storage {
             };
 
             match result {
+                // successful jobs are removed
                 JobResult::Success => Ok(true),
-                JobResult::Unregistered | JobResult::Unexecuted => Ok(true),
+                // Unregistered or Unexecuted jobs are restored as-is
-                JobResult::Failure => {
+                JobResult::Unregistered | JobResult::Unexecuted => {
-                    if job.prepare_retry() {
                     self.insert(job);
-                        return Ok(false);
+                    Ok(false)
-                    } else {
-                        Ok(true)
                 }
+                // retryable failed jobs are restored
+                JobResult::Failure if job.prepare_retry() => {
+                    self.insert(job);
+                    Ok(false)
                 }
+                // dead jobs are removed
+                JobResult::Failure => Ok(true),
             }
         }
     }

jobs-core/src/unsend_job.rs

@@ -76,15 +76,14 @@ pub trait UnsendJob: Serialize + DeserializeOwned + 'static {
     /// Jobs can override
     const BACKOFF: Backoff = Backoff::Exponential(2);
 
-    /// Define the maximum number of milliseconds a job should be allowed to run before being
+    /// Define how often a job should update its heartbeat timestamp
-    /// considered dead.
     ///
     /// This is important for allowing the job server to reap processes that were started but never
     /// completed.
     ///
-    /// Defaults to 15 seconds
+    /// Defaults to 5 seconds
     /// Jobs can override
-    const TIMEOUT: u64 = 15_000;
+    const HEARTBEAT_INTERVAL: u64 = 5_000;
 
     /// Users of this library must define what it means to run a job.
     ///
@@ -120,13 +119,12 @@ pub trait UnsendJob: Serialize + DeserializeOwned + 'static {
         Self::BACKOFF
     }
 
-    /// Define the maximum number of milliseconds this job should be allowed to run before being
+    /// Define how often a job should update its heartbeat timestamp
-    /// considered dead.
     ///
     /// This is important for allowing the job server to reap processes that were started but never
     /// completed.
-    fn timeout(&self) -> u64 {
+    fn heartbeat_interval(&self) -> u64 {
-        Self::TIMEOUT
+        Self::HEARTBEAT_INTERVAL
     }
 }
 
@@ -156,7 +154,7 @@ where
     const QUEUE: &'static str = <Self as UnsendJob>::QUEUE;
     const MAX_RETRIES: MaxRetries = <Self as UnsendJob>::MAX_RETRIES;
     const BACKOFF: Backoff = <Self as UnsendJob>::BACKOFF;
-    const TIMEOUT: u64 = <Self as UnsendJob>::TIMEOUT;
+    const HEARTBEAT_INTERVAL: u64 = <Self as UnsendJob>::HEARTBEAT_INTERVAL;
 
     fn run(self, state: Self::State) -> Self::Future {
         UnwrapFuture(T::Spawner::spawn(
@@ -180,7 +178,7 @@ where
         UnsendJob::backoff_strategy(self)
     }
 
-    fn timeout(&self) -> u64 {
+    fn heartbeat_interval(&self) -> u64 {
-        UnsendJob::timeout(self)
+        UnsendJob::heartbeat_interval(self)
     }
 }