daviddoji/example-code-2e
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renamed actor vars to proc

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This commit is contained in:
Luciano Ramalho
2015-02-12 15:10:38 -02:00
parent 07ef3cbece
commit e8cad49896
1 changed files with 58 additions and 58 deletions
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116
control/simulation/taxi_sim.py
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@@ -5,22 +5,22 @@ Taxi simulator
Sample run with two cars, random seed = 4:: Sample run with two cars, random seed = 4::
>>> main(num_taxis=2, seed=10) >>> main(num_taxis=2, seed=10)
taxi: 0 Event(time=0, actor_id=0, action='leave garage') taxi: 0 Event(time=0, proc=0, action='leave garage')
taxi: 0 Event(time=4, actor_id=0, action='pick up passenger') taxi: 0 Event(time=4, proc=0, action='pick up passenger')
taxi: 0 Event(time=10, actor_id=0, action='drop off passenger') taxi: 0 Event(time=10, proc=0, action='drop off passenger')
taxi: 1 Event(time=10, actor_id=1, action='leave garage') taxi: 1 Event(time=10, proc=1, action='leave garage')
taxi: 1 Event(time=11, actor_id=1, action='pick up passenger') taxi: 1 Event(time=11, proc=1, action='pick up passenger')
taxi: 0 Event(time=14, actor_id=0, action='pick up passenger') taxi: 0 Event(time=14, proc=0, action='pick up passenger')
taxi: 1 Event(time=28, actor_id=1, action='drop off passenger') taxi: 1 Event(time=28, proc=1, action='drop off passenger')
taxi: 0 Event(time=32, actor_id=0, action='drop off passenger') taxi: 0 Event(time=32, proc=0, action='drop off passenger')
taxi: 0 Event(time=33, actor_id=0, action='going home') taxi: 0 Event(time=33, proc=0, action='going home')
taxi: 1 Event(time=33, actor_id=1, action='pick up passenger') taxi: 1 Event(time=33, proc=1, action='pick up passenger')
taxi: 1 Event(time=35, actor_id=1, action='drop off passenger') taxi: 1 Event(time=35, proc=1, action='drop off passenger')
taxi: 1 Event(time=38, actor_id=1, action='pick up passenger') taxi: 1 Event(time=38, proc=1, action='pick up passenger')
taxi: 1 Event(time=42, actor_id=1, action='drop off passenger') taxi: 1 Event(time=42, proc=1, action='drop off passenger')
taxi: 1 Event(time=44, actor_id=1, action='pick up passenger') taxi: 1 Event(time=44, proc=1, action='pick up passenger')
taxi: 1 Event(time=75, actor_id=1, action='drop off passenger') taxi: 1 Event(time=75, proc=1, action='drop off passenger')
taxi: 1 Event(time=76, actor_id=1, action='going home') taxi: 1 Event(time=76, proc=1, action='going home')
*** end of events *** *** end of events ***
""" """
@@ -36,7 +36,7 @@ DEFAULT_END_TIME = 80
SEARCH_INTERVAL = 4 SEARCH_INTERVAL = 4
TRIP_DURATION = 10 TRIP_DURATION = 10
Event = collections.namedtuple('Event', 'time actor_id action') Event = collections.namedtuple('Event', 'time proc action')
def compute_delay(interval): def compute_delay(interval):
@@ -59,16 +59,16 @@ def taxi_process(ident, trips, start_time=0):
# BEGIN TAXI_SIMULATOR # BEGIN TAXI_SIMULATOR
class Simulator: class Simulator:
def __init__(self, actors): def __init__(self, procs_map):
self.events = queue.PriorityQueue() self.events = queue.PriorityQueue()
self.actors = dict(actors) self.procs = dict(procs_map)
def run(self, end_time): # <1> def run(self, end_time): # <1>
"""Schedule and display events until time is up""" """Schedule and display events until time is up"""
# schedule the first event for each cab # schedule the first event for each cab
for _, actor in sorted(self.actors.items()): # <2> for _, proc in sorted(self.procs.items()): # <2>
first_event = next(actor) # <3> first_event = next(proc) # <3>
self.events.put(first_event) # <4> self.events.put(first_event) # <4>
# main loop of the simulation # main loop of the simulation
@@ -80,16 +80,16 @@ class Simulator:
# get and display current event # get and display current event
current_event = self.events.get() # <7> current_event = self.events.get() # <7>
print('taxi:', current_event.actor_id, # <8> print('taxi:', current_event.proc, # <8>
current_event.actor_id * ' ', current_event) current_event.proc * ' ', current_event)
# schedule next action for current actor # schedule next action for current proc
time = current_event.time # <9> time = current_event.time # <9>
actor = self.actors[current_event.actor_id] # <10> proc = self.procs[current_event.proc] # <10>
try: try:
next_event = actor.send(time) # <11> next_event = proc.send(time) # <11>
except StopIteration: except StopIteration:
del self.actors[current_event.actor_id] # <12> del self.procs[current_event.proc] # <12>
else: else:
self.events.put(next_event) # <13> self.events.put(next_event) # <13>
else: # <14> else: # <14>
@@ -99,7 +99,7 @@ class Simulator:
def main(end_time=DEFAULT_END_TIME, num_taxis=DEFAULT_NUMBER_OF_TAXIS, def main(end_time=DEFAULT_END_TIME, num_taxis=DEFAULT_NUMBER_OF_TAXIS,
seed=None): seed=None):
"""Initialize random generator, build actors and run simulation""" """Initialize random generator, build procs and run simulation"""
if seed is not None: if seed is not None:
random.seed(seed) # get reproducible results random.seed(seed) # get reproducible results
@@ -133,36 +133,36 @@ Sample run:
# BEGIN TAXI_SAMPLE_RUN # BEGIN TAXI_SAMPLE_RUN
$ $ clear; python3 taxi_sim.py -t 3 -s 19 $ $ clear; python3 taxi_sim.py -t 3 -s 19
taxi: 0 Event(time=0, actor_id=0, action='leave garage') taxi: 0 Event(time=0, proc=0, action='leave garage')
taxi: 0 Event(time=5, actor_id=0, action='pick up passenger') taxi: 0 Event(time=5, proc=0, action='pick up passenger')
taxi: 1 Event(time=10, actor_id=1, action='leave garage') taxi: 1 Event(time=10, proc=1, action='leave garage')
taxi: 1 Event(time=13, actor_id=1, action='pick up passenger') taxi: 1 Event(time=13, proc=1, action='pick up passenger')
taxi: 2 Event(time=20, actor_id=2, action='leave garage') taxi: 2 Event(time=20, proc=2, action='leave garage')
taxi: 0 Event(time=21, actor_id=0, action='drop off passenger') taxi: 0 Event(time=21, proc=0, action='drop off passenger')
taxi: 1 Event(time=21, actor_id=1, action='drop off passenger') taxi: 1 Event(time=21, proc=1, action='drop off passenger')
taxi: 1 Event(time=23, actor_id=1, action='pick up passenger') taxi: 1 Event(time=23, proc=1, action='pick up passenger')
taxi: 2 Event(time=23, actor_id=2, action='pick up passenger') taxi: 2 Event(time=23, proc=2, action='pick up passenger')
taxi: 1 Event(time=25, actor_id=1, action='drop off passenger') taxi: 1 Event(time=25, proc=1, action='drop off passenger')
taxi: 1 Event(time=27, actor_id=1, action='pick up passenger') taxi: 1 Event(time=27, proc=1, action='pick up passenger')
taxi: 2 Event(time=27, actor_id=2, action='drop off passenger') taxi: 2 Event(time=27, proc=2, action='drop off passenger')
taxi: 2 Event(time=29, actor_id=2, action='pick up passenger') taxi: 2 Event(time=29, proc=2, action='pick up passenger')
taxi: 1 Event(time=31, actor_id=1, action='drop off passenger') taxi: 1 Event(time=31, proc=1, action='drop off passenger')
taxi: 2 Event(time=31, actor_id=2, action='drop off passenger') taxi: 2 Event(time=31, proc=2, action='drop off passenger')
taxi: 1 Event(time=33, actor_id=1, action='pick up passenger') taxi: 1 Event(time=33, proc=1, action='pick up passenger')
taxi: 2 Event(time=33, actor_id=2, action='pick up passenger') taxi: 2 Event(time=33, proc=2, action='pick up passenger')
taxi: 2 Event(time=36, actor_id=2, action='drop off passenger') taxi: 2 Event(time=36, proc=2, action='drop off passenger')
taxi: 2 Event(time=37, actor_id=2, action='pick up passenger') taxi: 2 Event(time=37, proc=2, action='pick up passenger')
taxi: 2 Event(time=40, actor_id=2, action='drop off passenger') taxi: 2 Event(time=40, proc=2, action='drop off passenger')
taxi: 1 Event(time=42, actor_id=1, action='drop off passenger') taxi: 1 Event(time=42, proc=1, action='drop off passenger')
taxi: 1 Event(time=43, actor_id=1, action='going home') taxi: 1 Event(time=43, proc=1, action='going home')
taxi: 0 Event(time=44, actor_id=0, action='pick up passenger') taxi: 0 Event(time=44, proc=0, action='pick up passenger')
taxi: 2 Event(time=44, actor_id=2, action='pick up passenger') taxi: 2 Event(time=44, proc=2, action='pick up passenger')
taxi: 0 Event(time=49, actor_id=0, action='drop off passenger') taxi: 0 Event(time=49, proc=0, action='drop off passenger')
taxi: 0 Event(time=50, actor_id=0, action='going home') taxi: 0 Event(time=50, proc=0, action='going home')
taxi: 2 Event(time=58, actor_id=2, action='drop off passenger') taxi: 2 Event(time=58, proc=2, action='drop off passenger')
taxi: 2 Event(time=65, actor_id=2, action='pick up passenger') taxi: 2 Event(time=65, proc=2, action='pick up passenger')
taxi: 2 Event(time=71, actor_id=2, action='drop off passenger') taxi: 2 Event(time=71, proc=2, action='drop off passenger')
taxi: 2 Event(time=72, actor_id=2, action='going home') taxi: 2 Event(time=72, proc=2, action='going home')
*** end of events *** *** end of events ***
# END TAXI_SAMPLE_RUN # END TAXI_SAMPLE_RUN