Preface ： Master Wu, who can only stay at home on the national day, is very boring , Decided to open a Python The bakery passed the time . Every day after that , Master Wu will use a piece of code to simply realize the function of selling bread , And solve the problems exposed the day before .
Master Wu decided to change the bakery to order mode , Each master produces bread according to the number of orders for his bread , This improves productivity .
""" The bakery changed to accept orders , Each Baker produces bread according to the number of orders ."""
import time
import threading
import random
import zmq
END_FLAG = False
PRODUCER_NUM = 3
def send_task(topic, pub_socket):
""" Place an order ."""
print('Order:', topic)
pub_socket.send(topic.encode('utf8'))
def worker(topic, context):
global END_FLAG
sub_socket = context.socket(zmq.SUB)
sub_socket.connect("tcp://localhost:5555")
sub_socket.setsockopt(zmq.SUBSCRIBE, topic.encode('utf8'))
sub_socket.setsockopt(zmq.RCVTIMEO, 2000) # Set accept timeout
while not END_FLAG:
msg = None
try:
msg = sub_socket.recv()
except Exception as e:
pass
else:
if msg:
print('Consumer: I had buy:', msg.decode())
time.sleep(0.1)
def run():
context = zmq.Context()
pub_socket = context.socket(zmq.PUB)
pub_socket.bind("tcp://*:5555")
workers = []
for i in range(PRODUCER_NUM):
# Each chef corresponds to a bakery team
topic = 'P:%s' % i
w = threading.Thread(target=worker, args=(topic, context,))
workers.append(w)
w.start()
time.sleep(2)
# Simulated customer order
orders_num = random.randint(6, 10)
for _ in range(orders_num):
i = random.randint(0, PRODUCER_NUM-1)
topic = 'P:%s' % i
send_task(topic, pub_socket)
time.sleep(2)
END_FLAG = True
for w in workers:
w.join()
if __name__ == "__main__":
run()Some customers reported that they placed the order but didn't get the bread , How to track the execution of each order ？
