Added basic scheduler code.

linspector/core/linspector.py

@@ -7,21 +7,26 @@ import importlib
 
 from logging import getLogger
 
-#from apscheduler.schedulers.background import BackgroundScheduler
-#from apscheduler.jobstores.memory import MemoryJobStore
-#from apscheduler.executors.pool import ThreadPoolExecutor, ProcessPoolExecutor
+from apscheduler.schedulers.background import BackgroundScheduler
+from apscheduler.jobstores.memory import MemoryJobStore
+from apscheduler.executors.pool import ThreadPoolExecutor  # , ProcessPoolExecutor
 
 logger = getLogger('linspector')
 
 
+def job_function(job):
+    job.handle_call()
+
+
 class Linspector:
 
-    def __init__(self, configuration, environment, monitors, plugins):
+    def __init__(self, configuration, environment, monitors, plugins, scheduler):
         self.__configuration = configuration
         self.__environment = environment
         self.__monitors = monitors
         self.__plugin_list = None
         self.__plugins = plugins
+        self.__scheduler = scheduler
 
         # load plugins
         logger.info('loading plugins...')
@@ -36,6 +41,25 @@ class Linspector:
                     plugin = plugin_module.get(configuration, environment, self)
                     plugins[plugin_option.lower()] = plugin
 
+        jobstores = {
+            'memory': MemoryJobStore()
+        }
+        executors = {
+            'default': ThreadPoolExecutor(int(configuration.get_option('linspector',
+                                                                       'max_threads'))),
+            #'default': ProcessPoolExecutor(int(configuration.get_option('linspector',
+            #                                                            'max_processes')))
+        }
+        job_defaults = {
+            'max_instances': 10000
+        }
+        self.__scheduler['linspector'] = BackgroundScheduler(jobstores=jobstores,
+                                                             executors=executors,
+                                                             job_defaults=job_defaults)
+
+        if configuration.get_option('linspector', 'start_scheduler') == 'true':
+            self.__scheduler['linspector'].start()
+
     # this function is just for testing purposes and can be removed some day
     def print_debug(self):
         # example on how to access the monitor objects in monitors