func main() {
for runs := 0; runs < 5; runs++ {
for i := 0; i < 2; i++ {
godes.AddRunner(&Waiter{&godes.Runner{}, i})
}
godes.Run()
for {
visitorArrivalQueue.Place(Visitor{visitorsCount})
waitersSwt.Set(true)
godes.Advance(arrival.Get(0, 30))
visitorsCount++
if godes.GetSystemTime() > shutdown_time {
break
}
}
waitersSwt.Set(true)
godes.WaitUntilDone() // waits for all the runners to finish the Run()
fmt.Printf(" Run # %v %v \n", runs, visitorArrivalQueue)
//clear after each run
arrival.Clear()
service.Clear()
waitersSwt.Clear()
visitorArrivalQueue.Clear()
godes.Clear()
}
}
func (machine *Machine) Run() {
for {
godes.Advance(processingGen.Get(PT_MEAN, PT_SIGMA))
machine.partsCount = machine.partsCount + 1
if godes.GetSystemTime() > SHUT_DOWN_TIME {
break
}
}
}
func (vst Visitor) Run() { // Any runner should have the Run method
fmt.Printf("%-6.3f \t Visitor %v arrives \n", godes.GetSystemTime(), vst.number)
tableBusy.Wait(false) // this will wait till the tableBusy control becomes false
tableBusy.Set(true) // sets the tableBusy control to true - the table is busy
fmt.Printf("%-6.3f \t Visitor %v gets the table \n", godes.GetSystemTime(), vst.number)
godes.Advance(service.Get(10, 60)) //the function advance the simulation time by the value in the argument
tableBusy.Set(false) // sets the tableBusy control to false - the table is idle
fmt.Printf("%-6.3f \t Visitor %v leaves \n", godes.GetSystemTime(), vst.number)
}
func main() {
counterAvailable.Set(true)
godes.Run()
for i := 0; i < NEW_CUSTOMERS; i++ {
godes.AddRunner(&Customer{&godes.Runner{}, i})
godes.Advance(arrivalGen.Get(1 / INTERVAL_CUSTOMERS))
}
godes.WaitUntilDone()
}
func (machineRepair *MachineRepair) Run() {
machine := machineRepair.machine
for {
godes.Advance(breaksGen.Get(1 / MTTF))
if machine.GetState() == godes.RUNNER_STATE_SCHEDULED {
breakTime := godes.GetSystemTime()
//interrupt machine
godes.Interrupt(machine)
repairManAvailableSwt.Wait(true)
//repair
repairManAvailableSwt.Set(false)
godes.Advance(processingGen.Get(REPAIR_TIME, REPAIR_TIME_SIGMA))
//release repairman
repairManAvailableSwt.Set(true)
//resume machine and change the scheduled time to compensate the idle time
godes.Resume(machine, godes.GetSystemTime()-breakTime)
}
if godes.GetSystemTime() > SHUT_DOWN_TIME {
break
}
}
}
func main() {
var shutdown_time float64 = 8 * 60
godes.Run()
for {
//godes.GetSystemTime() is the current simulation time
if godes.GetSystemTime() < shutdown_time {
//the function acivates the Runner
godes.AddRunner(Visitor{&godes.Runner{}, visitorsCount})
godes.Advance(arrival.Get(0, 70))
visitorsCount++
} else {
break
}
}
godes.WaitUntilDone() // waits for all the runners to finish the Run()
}
func (waiter *Waiter) Run() {
for {
waitersSwt.Wait(true)
if visitorArrivalQueue.Len() > 0 {
visitorArrivalQueue.Get()
if visitorArrivalQueue.Len() == 0 {
waitersSwt.Set(false)
}
godes.Advance(service.Get(10, 60)) //advance the simulation time by the visitor service time
}
if godes.GetSystemTime() > shutdown_time && visitorArrivalQueue.Len() == 0 {
break
}
}
}
func (customer *Customer) Run() {
arrivalTime := godes.GetSystemTime()
patience := patienceGen.Get(MIN_PATIENCE, MAX_PATIENCE)
fmt.Printf(" %6.3f Customer %v : Here I am My patience=%6.3f \n", godes.GetSystemTime(), customer.name, patience)
counterAvailable.WaitAndTimeout(true, patience)
if !counterAvailable.GetState() {
fmt.Printf(" %6.3f Customer %v : RENEGED after %6.3f \n", godes.GetSystemTime(), customer.name, godes.GetSystemTime()-arrivalTime)
} else {
counterAvailable.Set(false)
fmt.Printf(" %6.3f Customer %v : Waited %6.3f \n", godes.GetSystemTime(), customer.name, godes.GetSystemTime()-arrivalTime)
godes.Advance(serviceGen.Get(1 / SERVICE_TIME))
fmt.Printf(" %6.3f Customer %v : Finished \n", godes.GetSystemTime(), customer.name)
counterAvailable.Set(true)
}
}
func (waiter *Waiter) Run() {
for {
waitersSwt.Wait(true)
if visitorArrivalQueue.Len() > 0 {
visitor := visitorArrivalQueue.Get()
if visitorArrivalQueue.Len() == 0 {
waitersSwt.Set(false)
}
fmt.Printf("%-6.3f \t Visitor %v is invited by waiter %v \n", godes.GetSystemTime(), visitor.(Visitor).id, waiter.id)
godes.Advance(service.Get(10, 60)) //advance the simulation time by the visitor service time
fmt.Printf("%-6.3f \t Visitor %v leaves \n", godes.GetSystemTime(), visitor.(Visitor).id)
}
if godes.GetSystemTime() > shutdown_time && visitorArrivalQueue.Len() == 0 {
fmt.Printf("%-6.3f \t Waiter %v ends the work \n", godes.GetSystemTime(), waiter.id)
break
}
}
}
func main() {
for i := 0; i < 2; i++ {
godes.AddRunner(&Waiter{&godes.Runner{}, i})
}
godes.Run()
for {
visitorArrivalQueue.Place(Visitor{visitorsCount})
fmt.Printf("%-6.3f \t Visitor %v arrives \n", godes.GetSystemTime(), visitorsCount)
waitersSwt.Set(true)
godes.Advance(arrival.Get(0, 30))
visitorsCount++
if godes.GetSystemTime() > shutdown_time {
break
}
}
waitersSwt.Set(true)
godes.WaitUntilDone() // waits for all the runners to finish the Run()
fmt.Printf("Average Waiting Time %6.3f \n", visitorArrivalQueue.GetAverageTime())
}