解决python3 pika之连接断开的问题

#!/usr/bin
#coding: utf-8

import pika
import time


USER = 'guest'
PWD = 'guest'
TEST_QUEUE = 'just4test'

def callback(ch, method, properties, body):
 print(body)
 time.sleep(600)
 ch.basic_publish('', routing_key=TEST_QUEUE, body="fortest")
 ch.basic_ack(delivery_tag = method.delivery_tag)

def test_main():
 s_conn = pika.BlockingConnection(
  pika.ConnectionParameters('127.0.0.1', 
   credentials=pika.PlainCredentials(USER, PWD)))
 chan = s_conn.channel()
 chan.queue_declare(queue=TEST_QUEUE)

 chan.basic_publish('', routing_key=TEST_QUEUE, body="fortest")
 chan.basic_consume(callback, queue=TEST_QUEUE)
 chan.start_consuming()

if __name__ == "__main__":
 test_main()

[ERROR][pika.adapters.base_connection][2017-08-18 12:33:49]Error event 25, None
[CRITICAL][pika.adapters.base_connection][2017-08-18 12:33:49]Tried to handle an error where no error existed
[ERROR][pika.adapters.base_connection][2017-08-18 12:33:49]Fatal Socket Error: BrokenPipeError(32, 'Broken pipe')

def test_main():
 s_conn = pika.BlockingConnection(
  pika.ConnectionParameters('127.0.0.1', 
   heartbeat_interval=10,
   socket_timeout=5,
   credentials=pika.PlainCredentials(USER, PWD)))
 # ....

#!/usr/bin
#coding: utf-8

import pika
import time
import logging
import threading

USER = 'guest'
PWD = 'guest'
TEST_QUEUE = 'just4test'

class Heartbeat(threading.Thread):
 def __init__(self, connection):
  super(Heartbeat, self).__init__()
  self.lock = threading.Lock()
  self.connection = connection
  self.quitflag = False
  self.stopflag = True
  self.setDaemon(True)

 def run(self):
  while not self.quitflag:
   time.sleep(10)
   self.lock.acquire()
   if self.stopflag :
    self.lock.release()
    continue
   try:
    self.connection.process_data_events()
   except Exception as ex:
    logging.warn("Error format: %s"%(str(ex)))
    self.lock.release()
    return
   self.lock.release()

 def startHeartbeat(self):
  self.lock.acquire()
  if self.quitflag==True:
   self.lock.release()
   return
  self.stopflag=False
  self.lock.release()

def callback(ch, method, properties, body):
 logging.info("recv_body:%s" % body)
 time.sleep(600)
 ch.basic_ack(delivery_tag = method.delivery_tag)

def test_main():
 s_conn = pika.BlockingConnection(
  pika.ConnectionParameters('127.0.0.1', 
   heartbeat_interval=10,
   socket_timeout=5,
   credentials=pika.PlainCredentials(USER, PWD)))
 chan = s_conn.channel()
 chan.queue_declare(queue=TEST_QUEUE)
 chan.basic_consume(callback,
      queue=TEST_QUEUE)

 heartbeat = Heartbeat(s_conn)
 heartbeat.start()   #开启心跳线程
 heartbeat.startHeartbeat()
 chan.start_consuming()

if __name__ == "__main__":
 test_main()

:param int heartbeat_interval: How often to send heartbeats.
         Min between this value and server's proposal
         will be used. Use 0 to deactivate heartbeats
         and None to accept server's proposal.