func eventCabAtFloor(ch chan<- int) {
//initialize with invalid values
var FloorReached = -2
var prevFloor = -3
for {
if hw.GetFloor() != -1 {
FloorReached = hw.GetFloor()
if prevFloor != FloorReached {
ch <- FloorReached
prevFloor = FloorReached
}
}
time.Sleep(100 * time.Millisecond)
}
}
func handleMessage(incomingMsg def.Message, msgCh def.MessageChan) {
switch incomingMsg.Category {
case def.Alive:
addr := incomingMsg.Addr
if connection, exist := onlineElevatorMap[addr]; exist {
connection.Timer.Reset(def.ElevTimeoutDuration)
} else {
newConnection := def.UdpConnection{Addr: addr, Timer: time.NewTimer(def.ElevTimeoutDuration)}
onlineElevatorMap[addr] = newConnection
msgCh.NumOnline <- len(onlineElevatorMap)
go connectionTimer(&newConnection, msgCh.Outgoing, msgCh.NumOnline)
log.Println(def.ColG, "New elevator: ", addr, " | Number online: ", len(onlineElevatorMap), def.ColN)
}
case def.NewRequest:
log.Println(def.ColC, "New request incomming", def.ColN)
cost := q.CalcCost(fsm.Elevator.Dir, hw.GetFloor(), fsm.Elevator.Floor, incomingMsg.Floor, incomingMsg.Button)
msgCh.Outgoing <- def.Message{Category: def.Cost, Floor: incomingMsg.Floor, Button: incomingMsg.Button, Cost: cost}
case def.CompleteRequest:
log.Println(def.ColG, "Request is completed", def.ColN)
q.RemoveRequest(incomingMsg.Floor, incomingMsg.Button)
case def.Cost:
log.Println(def.ColC, "Cost reply", def.ColN)
msgCh.CostReply <- incomingMsg
}
}