func handleBtnPress(btnPress def.BtnPress, outgoingMsg chan<- def.Message) {
if btnPress.Button == def.BtnCab {
q.AddRequest(btnPress.Floor, btnPress.Button, def.LocalIP)
} else {
outgoingMsg <- def.Message{Category: def.NewRequest, Floor: btnPress.Floor, Button: btnPress.Button, Cost: 0}
}
}
// chooseBestElevator goes through a map of requests and finds the best elevator in each replyList
func chooseBestElevator(requestMap map[request][]reply, numOnline int, isTimeout bool) {
var bestElevator string
for request, replyList := range requestMap {
if len(replyList) == numOnline || isTimeout {
lowestCost := 10000
for _, reply := range replyList {
if reply.cost < lowestCost {
lowestCost = reply.cost
bestElevator = reply.elevator
} else if reply.cost == lowestCost {
// On equal cost, the elevator with lowest IP get the request
if reply.elevator < bestElevator {
bestElevator = reply.elevator
}
}
}
queue.AddRequest(request.floor, request.button, bestElevator)
request.timer.Stop()
delete(requestMap, request)
}
}
}