add setState command, detect crashed/stopped servers periodically

src/minecraft/manager_loop.rs

@@ -63,8 +63,9 @@ pub async fn server_manager_loop(pool: DbPool, docker: Docker)
         for srv in a_servers {
             let time_diff = Utc::now().naive_utc() - srv.last_login.unwrap();
             should_stop(&docker, &pool, &time_diff, &srv).await;
+            check_still_online(&docker, &pool, &srv).await;
         }
-        task::sleep(Duration::from_secs(5)).await;
+        task::sleep(Duration::from_secs(30)).await;
     }
 }
 
@@ -77,3 +78,18 @@ async fn should_stop(docker: &Docker, pool: &DbPool, diff: &TimeDelta, srv: &Ser
         println!("{} stopped", srv.name);
     }
 }
+
+async fn check_still_online(docker: &Docker, pool: &DbPool, srv: &Servers) {
+    use schema::servers::dsl::*;
+
+    if srv.status != ServerStatus::Running { return ; }
+
+    match docker.inspect_container(&format!("minecraft-{}", srv.name), None).await {
+        Ok(_) => {},
+        Err(_) => {
+            println!("Failed to find minecraft-{} container, setting it as Stopped", srv.name);
+            let conn = &mut pool.get().unwrap();
+            let _ = diesel::update(servers).filter(name.eq(&srv.name)).set(status.eq(ServerStatus::Stopped)).execute(conn);
+        },
+    }
+}