time management module

This commit introduces a time management module.

See doc/time_management.md for details.

openair2/X2AP/x2ap_eNB.c

@@ -756,7 +756,7 @@ mutex_error:
   exit(1);
 }
 
-void x2ap_trigger(void)
+void x2ap_ms_tick(void)
 {
   MessageDef *msg = itti_alloc_new_message(TASK_X2AP, 0, X2AP_SUBFRAME_PROCESS);
   itti_send_msg_to_task(TASK_X2AP, 0, msg);

openair2/X2AP/x2ap_eNB.h

@@ -47,7 +47,6 @@ int x2ap_eNB_init_sctp (x2ap_eNB_instance_t *instance_p,
 void *x2ap_task(void *arg);
 
 int is_x2ap_enabled(void);
-void x2ap_trigger(void);
 
 #endif /* X2AP_H_ */
 

openair2/X2AP/x2ap_timers.c

@@ -52,7 +52,8 @@ void x2ap_check_timers(instance_t instance)
   int                          x2_ongoing;
 
   instance_p = x2ap_eNB_get_instance(instance);
-  DevAssert(instance_p != NULL);
+  if (instance_p == NULL)
+    return;
 
   t = &instance_p->timers;
   m = &instance_p->id_manager;