import datetime
import threading
import time

import pika
user = pika.PlainCredentials("id", "pwd")
parameters = pika.ConnectionParameters("172.20.80.100", credentials=user)
connection = pika.BlockingConnection(parameters)
index = 0
data_server = {}
def func():
    while True:
        now = int(datetime.datetime.now().timestamp())
        for k, v in data_server.items():
            if (now - v)>3:
                del data_server[k]
        time.sleep(1)
if __name__ == '__main__':
    threading.Timer(1, func).start()
    channel = connection.channel()
    for method_frame, properties, body in channel.consume("mch"):
        try:
            ip, port = str(body).split(':')
            data_server[ip] = int(datetime.datetime.now().timestamp())
            print(data_server)
        except Exception as e:
            print(e)
    connection.close()

connection.close()