session observer session close fixed, kill process fixed and optimized, git submodule path updated

src/modules/run_process.js

@@ -71,6 +71,9 @@ const run_app = async (app_path, app_port) => {
 }
 
 const kill_proc = (pid) => {
+    if (!is_proc_running(pid)) {
+        return
+    }
     if (process.platform === 'win32') {
         spawn('taskkill', ['/pid', pid, '/f', '/t'])
     }

src/modules/session_observer.js

@@ -24,20 +24,24 @@ const check_sessions = async (sessions) => {
         }
 
         // if something running kill process and skip remove from database
-        if (!webrtc_running && !app_running) {
-            if (!pending_list.is_waiting(session.session_id)) {
-                pending_list.add(session.session_id)
-                var close_session_result = await coordinator.close_session(session.session_id)
-                if (close_session_result) {
-                    database.remove_running_session(session.session_id)
-                } else {
-                    pending_list.remove(session.session_id)
-                    console.log('can not connect to coordinator')
-                }
+        if (!webrtc_running || !app_running) {
+            // if session already in peding list skip
+            if (pending_list.is_waiting(session.session_id)) {
+                return
             }
-        } else {
+            pending_list.add(session.session_id)
+
+            // kill process if running
             kill_proc(session.webrtc_pid)
             kill_proc(session.app_pid)
+            
+            var close_session_result = await coordinator.close_session(session.session_id)
+            if (close_session_result) {
+                await database.remove_running_session(session.session_id)
+            } else {
+                console.log('can not connect to coordinator')
+            }
+            pending_list.remove(session.session_id)
         }
     }))
 }