refs #880 monitor running threads

ogcore-mock.py

@@ -178,6 +178,11 @@ def oac_recibe_archivo():
     logging.info(f'dec ({dec})')
     return jsonify({'anything':'anything'})   ## if we return {}, then we trigger "if not {}" which happens to be true
 
+@app.route('/opengnsys/rest/ogAdmClient/callback', methods=['POST'])
+def oac_callback():
+    logging.info(f'{request.get_json()}')
+    return jsonify({'anything':'anything'})
+
 @app.route('/opengnsys/rest/ogAdmClient/<cucu>', methods=['GET', 'POST'])
 def oac_cucu(cucu):
     #j = request.get_json(force=True)
@@ -202,6 +207,11 @@ def ce_recibe_archivo():
     logging.info(f'dec ({dec})')
     return jsonify({'anything':'anything'})   ## if we return {}, then we trigger "if not {}" which happens to be true
 
+@app.route('/opengnsys/rest/CloningEngine/callback', methods=['POST'])
+def ce_callback():
+    logging.info(f'{request.get_json()}')
+    return jsonify({'anything':'anything'})
+
 @app.route('/opengnsys/rest/CloningEngine/<cucu>', methods=['GET', 'POST'])
 def ce_cucu(cucu):
     abort (404)

src/opengnsys/modules/server/CloningEngine/__init__.py

@@ -176,8 +176,6 @@ class CloningEngineWorker (ogLiveWorker):
         return self.respuestaEjecucionComando (cmd, herror, ids)
 
     def process_status (self, path, get_params, post_params, server):
-        self._join_threads()
-
         thr_status = {}
         for k in self.thread_list:
             thr_status[k] = {

src/opengnsys/modules/server/ogAdmClient/__init__.py

@@ -387,8 +387,6 @@ class ogAdmClientWorker (ogLiveWorker):
 
     @check_secret
     def process_status (self, path, get_params, post_params, server):
-        self._join_threads()
-
         thr_status = {}
         for k in self.thread_list:
             thr_status[k] = {

src/opengnsys/workers/oglive_worker.py

@@ -58,6 +58,28 @@ class ThreadWithResult (threading.Thread):
 class ogLiveWorker(ServerWorker):
     thread_list = {}
 
+    def notifier (self, result):
+        logger.debug (f'notifier() called, result ({result})')
+        res = self.REST.sendMessage ('/'.join ([self.name, 'callback']), result)
+
+    def mon (self):
+        while True:
+            #print ('mon(): iterating')
+            for k in self.thread_list:
+                elem = self.thread_list[k]
+                if 'thread' not in elem: continue
+                logger.debug (f'considering thread ({k})')
+                try: elem['thread'].join (0.05)
+                except RuntimeError: pass       ## race condition: a thread is created and this code runs before it is start()ed
+                if not elem['thread'].is_alive():
+                    logger.debug (f'is no longer alive, k ({k}) thread ({elem["thread"]})')
+                    elem['running'] = False
+                    elem['result'] = elem['thread'].result
+                    del elem['thread']
+                    self.notifier (elem['result'])
+
+            time.sleep (1)
+
     def interfaceAdmin (self, method, parametros=[]):
         exe = '{}/{}'.format (self.pathinterface, method)
         ## for development only. Will be removed when the referenced bash code (/opt/opengnsys/lib/engine/bin/*.lib) is translated into python
@@ -193,9 +215,9 @@ class ogLiveWorker(ServerWorker):
         if not self.tomaIPlocal():
             raise Exception ('Se han generado errores. No se puede continuar la ejecución de este módulo')
 
-    def _long_running_job (self, name, f, args):
-        self._join_threads()
+        threading.Thread (name='monitoring_thread', target=self.mon, daemon=True).start()
 
+    def _long_running_job (self, name, f, args):
         any_job_running = False
         for k in self.thread_list:
             if self.thread_list[k]['running']:
@@ -214,15 +236,3 @@ class ogLiveWorker(ServerWorker):
         }
         self.thread_list[job_id]['thread'].start()
         return { 'job_id': job_id }
-
-    def _join_threads (self):
-        for k in self.thread_list:
-            logger.debug (f'considering thread ({k})')
-            elem = self.thread_list[k]
-            if 'thread' in elem:
-                elem['thread'].join (0.05)
-                if not elem['thread'].is_alive():
-                    logger.debug (f'is no longer alive, k ({k}) thread ({elem["thread"]})')
-                    elem['running'] = False
-                    elem['result'] = elem['thread'].result
-                    del elem['thread']