def case3():
## this case tests the optimizing function.
## elevator 0 will reach it's destination after elevator 2 starts to attempt to service the request.
## since elevator 0's status changes to WAITING and it is closer to floor 12
## elevator 2 is cancelled and elevator 0 will overtake the request.
elevators_num = 3
floors_num = 40
c = Controller(elevators_num, floors_num)
c.start()
c.request_up(10)
time.sleep(25)
c.request_down(8)
time.sleep(5)
c.request_up(12)
time.sleep(5)
running1 = True
running2 = True
running3 = True
while running1 or running2 or running3:
if c.elevators[0].status == Elevator.WAITING:
running1 = False
if c.elevators[1].status == Elevator.WAITING:
running2 = False
if c.elevators[2].status == Elevator.WAITING:
running3 = False
for e in c.elevators:
c.elevators[e].running = False
def case4():
## test the ability for an elevator to switch it final request and store the previous request into a pending request array
## initially elevator 2 will be heading for floor 12
## but we recieve a 5th request before any other elevators can service this request.
## since elevator 2 is going to floor 12. It switches to floor 14 and then comes back down to floor 12
elevators_num = 4
floors_num = 40
c = Controller(elevators_num, floors_num)
c.start()
c.request_up(10)
time.sleep(1)
c.request_down(8)
time.sleep(1)
c.request_down(12)
time.sleep(1)
c.request_up(15)
time.sleep(1)
c.request_down(14)
time.sleep(1)
running1 = True
running2 = True
running3 = True
running4 = True
while running1 or running2 or running3 or running4:
if c.elevators[0].status == Elevator.WAITING:
running1 = False
if c.elevators[1].status == Elevator.WAITING:
running2 = False
if c.elevators[2].status == Elevator.WAITING:
running3 = False
if c.elevators[3].status == Elevator.WAITING:
running3 = False
for e in c.elevators:
c.elevators[e].running = False
def main(argv=None):
floors = 0
elevators = 0
if argv is None:
argv = sys.argv
try:
try:
opts, args = getopt.getopt(argv[1:], "f:e:h", ["floors=", "elevators=", "help"])
except getopt.error, msg:
raise Usage(msg)
for opt, arg in opts:
if opt in ('-e', '--elevators'):
elevators = arg
if opt in ('-f', '--floors'):
floors = arg
if elevators > 0 and floors > 0:
c = Controller(int(elevators), int(floors))
c.start()
process = True
while process:
var = raw_input("Enter command: ")
var = var.split(' ')
command = var[0]
if command == 'quit':
process = False
else:
if command == 'up':
# command expected in the form of 'up floor_num'
floor = var[1]
c.request_up(int(floor))
elif command == 'down':
# command expected in the form of 'down floor_num'
floor = var[1]
c.request_down(int(floor))
elif command == 'elevator':
# command expected in the form of 'elevator elevator_num floor_num'
elevator_num = var[1]
floor = var[2]
c.request_floor(int(elevator_num), int(floor))
elif command == 'crash':
# command expected in the form of 'crash elevator_num'
elevator_num = var[1]
c.crash(int(elevator_num))
else:
print 'Elevator Bank Program'
print 'usage: python elevator_bank.py -f num_floors -e num_elevators\n'
print 'f num_floors : enter the number of floors as a positive integer. The first floor is 0.'
print 'e num_elevators : enter the number of elevators as a positive integer. The first elevator is 0.'
print '-----------'
print 'COMMANDS'
print 'up floor_num - request up from a floor'
print 'down floor_num - request down from a floor'
print 'elevator elevator_num floor_num - Once inside of an elevator request a floor'
print 'crash elevator_num - Crash an elevator'
