createevent.cpp

一个很棒的网络控制系统仿真软件

#ifndef CREATE_EVENT
#define CREATE_EVENT

// Create a free event
bool ttCreateEvent(char *name) {

  Event* e;
  EventNode *en;

  if (strcmp(name, "") == 0) {
    MEX_ERROR("ttCreateEvent: Name should be a non-empty string!");
    return false;
  }

  if (rtsys->prioFcn == NULL) {
    MEX_ERROR("ttCreateEvent: Kernel must be initialized before creation of events!");
    return false;
  }

  en = (EventNode*) rtsys->eventList->getFirst();
  while (en!=NULL) {
    e = en->getEvent();
    if (e->name != NULL) {
      if (strcmp(e->name, name) == 0) {
	break;
      }
    }
    en = (EventNode*) en->getNext();
  }

  if (en != NULL) {
    MEX_ERROR("ttCreateEvent: Name of event not unique!");
    return false;
  }

  e = new Event;
  e->name = new char[strlen(name)+1];
  strcpy(e->name, name);
  e->waitingQ = new List("WaitingQ", NULL);
  e->isFree = true;
  rtsys->eventList->appendNode(new EventNode(e));
}

// Create an event associated with a monitor
bool ttCreateEvent(char *name, char *monitor) {

  Event* e;
  EventNode *en;
  MonitorNode *mn;

  mn = (MonitorNode*) rtsys->monitorList->getFirst();
  while (mn!=NULL) {
    if (mn->getMonitor()->name != NULL) {
      if (strcmp(mn->getMonitor()->name, monitor) == 0) {
	break;
      }
    }
    mn = (MonitorNode*) mn->getNext();
  }
  if (mn==NULL) {
    // Monitor does not exist 
    char buf[200];
    sprintf(buf, "ttCreateEvent: Non-existent monitor '%s'!", monitor);
    MEX_ERROR(buf);
    return false;
  }

  if (ttCreateEvent(name)) {
    en = (EventNode*) rtsys->eventList->getLast();
    e = en->getEvent();
    e->mon = mn->getMonitor();
    e->isFree = false;
    return true;
  } else {
    return false;
  }
}


#endif