/*******************************************************************
void runSimulationA(Simulation sim, int iTimeLimit)
Purpose:
Runs a simulation on the event list. Prints a table displaying
the arrival and departures of travelers
Parameters:
I Simulation simulation
I int iTimeLimit
Returns:
1. Does not return anything functionally
Notes:
1. Uses removeLL function
*******************************************************************/
void runSimulationA(Simulation sim, int iTimeLimit)
{
Event event; // Creates a local event variable to store current
// nodes event information into (uses in simulation evaluation)
Server server1 = newServer("Server 1"); // Creates a new server -
// - contains Server Name, whether it is busy or not, and a widget
Server server2 = newServer("Server 2"); // creates the second server for our program (refer to server1 comments)
Queue queue1 = newQueue("Queue 1"); // Creates a new queue
Queue queue2 = newQueue("Queue 2"); // Creates a new queue
if (sim->bVerbose == TRUE)
printf("%-4s %-6s %-10s\n", "TIME", "WIDGET", "EVENT"); //table header
while (removeLL(sim->eventList, &event))
{
// buffer to stop arrivals after the time limit
if (event.iEventType == EVT_ARRIVAL && event.iTime > iTimeLimit)
continue;
sim->iClock = event.iTime; // advance clock to current event time
// the switch evaluates the eventType
switch(event.iEventType)
{
case EVT_ARRIVAL:
arrival(sim, &event.widget);
queueUp(sim, queue1, &event.widget);
seize(sim, queue1, server1);
break;
case EVT_SERVER1_COMPLETE:
release(sim, queue1, server1, &event.widget);
queueUp(sim, queue2, &event.widget);
seize(sim, queue2, server2);
break;
case EVT_SERVER2_COMPLETE:
release(sim, queue2, server2, &event.widget);
leaveSystem(sim, event.widget);
break;
default:
ErrExit(ERR_ALGORITHM, "Unknown event type: %d\n", event.iEventType);
}
}
// prints the averages produced by the simulation
printStatistics(sim, queue1, queue2);
// frees servers and queues used in simulation A
free(server1);
free(server2);
free(queue1);
free(queue2);
}
/**************************** runSimulation ************************************
void runSimulation(Simulation sim, int iTimeLimit)
Purpose:
Goes through a list of events in a Simulation and run them as they are
encountered.
Parameters:
I Simulation sim The simulation variable containing the list of
events.
I int iTimeLimit A time limit upon which the simulation will terminate
if it is reached before all of the events are ran.
Returns:
Notes:
*******************************************************************************/
void runSimulation(Simulation sim, int iTimeLimit)
{
//Variables
Event event;
Server server1, server2;
Queue queue1, queue2;
//create servers and queues
server1 = newServer("Server 1");
queue1 = newQueue("Queue 1");
if (sim->cRunType == 'A')
{
server2 = newServer("Server 2");
queue2 = newQueue("Queue 2");
}
//begin simulation
printHeader(sim);
while (removeLL(sim->eventList, &event))
{
if (event.iTime > iTimeLimit)
{
printFooter(sim, queue1, queue2);
freeServersAndQueues(sim, server1, server2, queue1, queue2);
ErrExit(ERR_BAD_INPUT, "Event time (%d) is out of simulation bounds (%d)\n",
event.iTime, iTimeLimit);
}
sim->iClock = event.iTime;
switch (event.iEventType)
{
case EVT_ARRIVAL:
arrival(sim, &event.widget);
queueUp(sim, &event.widget, queue1);
seize(sim, queue1, server1);
break;
case EVT_SERVER1_COMPLETE:
release(sim, queue1, server1);
if (sim->cRunType == 'A') //Alternative A follows up with server 2
{
queueUp(sim, &event.widget, queue2);
seize(sim, queue2, server2);
}
else //Alternative B and Current leave after server 1
{
leaveSystem(sim, &event.widget);
}
break;
case EVT_SERVER2_COMPLETE:
release(sim, queue2, server2);
leaveSystem(sim, &event.widget);
break;
default:
ErrExit(ERR_ALGORITHM, "Unknown event type: %d\n", event.iEventType);
}
}
printFooter(sim, queue1, queue2);
freeServersAndQueues(sim, server1, server2, queue1, queue2);
}