Remote start stop control

network-poc/hub/src/db.rs

@@ -49,6 +49,13 @@ impl NodeDb {
                 INSERT INTO _schema_version VALUES (3);
             ");
         }
+        if version < 4 {
+            let _ = conn.execute_batch("
+                ALTER TABLE node_sessions ADD COLUMN is_paused BOOLEAN DEFAULT 0;
+                DELETE FROM _schema_version;
+                INSERT INTO _schema_version VALUES (4);
+            ");
+        }
 
         conn.execute_batch("
             CREATE TABLE IF NOT EXISTS node_sessions (
@@ -84,7 +91,10 @@ impl NodeDb {
                 has_webgpu BOOLEAN,
 
                 -- Tehtävätilastot
-                tasks_completed INTEGER DEFAULT 0
+                tasks_completed INTEGER DEFAULT 0,
+                
+                -- Ohjaustilat
+                is_paused BOOLEAN DEFAULT 0
             );
 
             CREATE TABLE IF NOT EXISTS pair_results (
@@ -183,6 +193,14 @@ impl NodeDb {
         );
     }
 
+    pub fn update_session_status(&self, node_id: u64, is_paused: bool) {
+        let conn = self.conn.lock().unwrap_or_else(|e| e.into_inner());
+        let _ = conn.execute(
+            "UPDATE node_sessions SET is_paused = ?1 WHERE node_id = ?2 AND disconnected_at IS NULL",
+            params![is_paused as i64, node_id as i64],
+        );
+    }
+
     /// Sulkee saman IP:n viewer-sessiot kun aktiivinen node liittyy
     pub fn close_viewers_by_ip(&self, ip: &str) {
         let conn = self.conn.lock().unwrap_or_else(|e| e.into_inner());
@@ -216,7 +234,7 @@ impl NodeDb {
             "SELECT id, node_id, ip, node_type, connected_at, disconnected_at,
                     platform, hostname, os, cpu_cores, cpu_model, ram_mb,
                     gpu_name, gpu_vendor, gpu_backend, vram_total_mb, gpu_temp_c, gpu_util_pct,
-                    allocated_gb, selected_task, has_webgpu, tasks_completed
+                    allocated_gb, selected_task, has_webgpu, tasks_completed, is_paused
              FROM node_sessions ORDER BY id DESC LIMIT ?1"
         ).unwrap();
 
@@ -244,6 +262,7 @@ impl NodeDb {
                 "selected_task": row.get::<_, Option<String>>(19)?,
                 "has_webgpu": row.get::<_, Option<bool>>(20)?,
                 "tasks_completed": row.get::<_, i64>(21)?,
+                "is_paused": row.get::<_, Option<bool>>(22)?.unwrap_or(false),
             }))
         }).unwrap().filter_map(|r| r.ok()).collect()
     }