===================================== 2014-03-28 =========================================
stomp.py 的官网地址:https://pypi.python.org/pypi/stomp.py
例子地址: https://github.com/jasonrbriggs/stomp.py/wiki/Simple-Example
stomp.py 4.0.11 见附件
例子代码:
# -*-coding:utf-8-*- ''' Created on 2014-3-28 @author: xuepeng ''' from logging.handlers import TimedRotatingFileHandler import logging import os import stomp import sys import time def initLogger(logFileName): if not os.path.isfile(logFileName): logPath = logFileName[0:logFileName.rfind('/') + 1] if not os.path.isdir(logPath): os.makedirs(logPath) f = open(logFileName, 'w') f.close() format = '%(asctime)s [%(threadName)s](%(levelname)s) %(pathname)s(%(funcName)s:%(lineno)s) --> %(message)s' filemode = 'a' # level = logging.DEBUG level = logging.INFO logging.basicConfig(filemode=filemode, level=level, format=format) hdlr0 = TimedRotatingFileHandler(logFileName, when='D', interval=1, backupCount=0, encoding='utf-8', delay=False, utc=False) formatter = logging.Formatter(format) hdlr0.setFormatter(formatter) logger = logging.getLogger() logger.addHandler(hdlr0) return logger logger = initLogger('e:/logs/simple.log') class MyListener(object): def on_error(self, headers, message): print('received an error %s' % message) def on_message(self, headers, message): print('----->received a message %s' % message) def main(): dest = 'jms.queue.com.wanmei.mq.test.xuepeng' conn = stomp.Connection(host_and_ports=[ ('mq-node1', 61613) ]) conn.set_listener('', MyListener()) conn.start() conn.connect() conn.subscribe(destination=dest, id=1, ack='auto') msg = ' '.join(sys.argv[1:]) num = 0 while num < 1000: conn.send(body=msg, destination=dest) print 'send message ', msg num = num + 1 time.sleep(2) conn.disconnect() if __name__ == '__main__': main()
执行这段代码:
python E:\workspace_python\Demo\src\com\wanmei\stomp\simple.py hello world 123
==============================================================================
再看HornetQ,因为自己学了python,所以不仅仅希望用Java来连接HornetQ,也希望用python来连接,进行开发。看了HornetQ的手册,里面说的很清楚,HornetQ不支持对stomp消息的持久化。这算是很大的一个缺点。但是毕竟支持了跨计算机语言的功能。我尝试了,并且写了简单的测试。发现开始运行的时候,会有数据丢失。这个问题在JBoss那里有提到,具体的我还有继续研究。HornetQ的stomp支持,请参考手册。测试了很久,发现就在开始的短暂时间有数据丢失,中间运行还是很稳定的。如果对于数据丢失不是很敏感的应用,可以进行测试。需要进行深入研究。
下面是例子的代码:
#-*-coding:utf-8-*- ''' Created on 2012-2-20 ''' import logging import stomp import time logging.basicConfig() dest = 'jms.queue.TestQueue' #dest = 'jms.topic.TestTopic' logging.basicConfig() class MyListener(stomp.ConnectionListener): def on_error(self, headers, message): print('received an error %s' % message) def on_message(self, headers, message): print '--------------------------------------' #for k, v in headers.iteritems(): # print('header: key %s , value %s' % (k, v)) print('received message\n %s' % message) def on_disconnected(self): """ Called by the STOMP connection when a TCP/IP connection to the STOMP server has been lost. No messages should be sent via the connection until it has been reestablished. """ pass def on_connecting(self, host_and_port): """ Called by the STOMP connection once a TCP/IP connection to the STOMP server has been established or re-established. Note that at this point, no connection has been established on the STOMP protocol level. For this, you need to invoke the "connect" method on the connection. \param host_and_port a tuple containing the host name and port number to which the connection has been established. """ pass def on_connected(self, headers, body): """ Called by the STOMP connection when a CONNECTED frame is received, that is after a connection has been established or re-established. \param headers a dictionary containing all headers sent by the server as key/value pairs. \param body the frame's payload. This is usually empty for CONNECTED frames. """ pass def on_heartbeat_timeout(self): """ Called by the STOMP connection when a heartbeat message has not been received beyond the specified period. """ pass def on_receipt(self, headers, body): """ Called by the STOMP connection when a RECEIPT frame is received, sent by the server if requested by the client using the 'receipt' header. \param headers a dictionary containing all headers sent by the server as key/value pairs. \param body the frame's payload. This is usually empty for RECEIPT frames. """ pass def on_send(self, headers, body): """ Called by the STOMP connection when it is in the process of sending a message \param headers a dictionary containing the headers that will be sent with this message \param body the message payload """ pass try: conn = stomp.Connection([('192.168.123.74', 61613)]) conn.set_listener('somename', MyListener()) print('set up Connection') conn.start() print('started connection') conn.connect(wait=True) print('connected') while True: num = 0 count = 99999 while num < count: try: num += 1 message = 'hello world ' + str(num) conn.send(message=message, destination=dest, headers={'type':'textMessage'}, ack='auto') #print 'sent message:', message except Exception , e: print '==============', e print 'It has produce ' + str(count) + ' messages' time.sleep(2) except Exception , e: print '----------------- ', e print('slept') conn.disconnect() print('disconnected')
#-*-coding:utf-8-*- ''' Created on 2012-2-20 ''' import logging import stomp import time logging.basicConfig() class MyListener(stomp.ConnectionListener): def __init__(self,conn,headers): super(MyListener,self).__init__() self.conn = conn self.headers = headers def on_error(self, headers, message): print('received an error %s' % message) def on_message(self, headers, message): print '--------------------------------------' #for k, v in headers.iteritems(): # print('header: key %s , value %s' % (k, v)) print('received message\n %s' % message) def on_disconnected(self): """ Called by the STOMP connection when a TCP/IP connection to the STOMP server has been lost. No messages should be sent via the connection until it has been reestablished. """ if not self.conn.is_connected(): print 'Error: conn failure! try to connection again' sleepTime = 5 print '+++++++++++++++++++++++++++++++++++++++++++' print 'it will sleep ' + str(sleepTime) + ' seconds.' time.sleep(sleepTime) consume() pass def on_connecting(self, host_and_port): """ Called by the STOMP connection once a TCP/IP connection to the STOMP server has been established or re-established. Note that at this point, no connection has been established on the STOMP protocol level. For this, you need to invoke the "connect" method on the connection. \param host_and_port a tuple containing the host name and port number to which the connection has been established. """ pass def on_connected(self, headers, body): """ Called by the STOMP connection when a CONNECTED frame is received, that is after a connection has been established or re-established. \param headers a dictionary containing all headers sent by the server as key/value pairs. \param body the frame's payload. This is usually empty for CONNECTED frames. """ pass def on_heartbeat_timeout(self): """ Called by the STOMP connection when a heartbeat message has not been received beyond the specified period. """ pass def on_receipt(self, headers, body): """ Called by the STOMP connection when a RECEIPT frame is received, sent by the server if requested by the client using the 'receipt' header. \param headers a dictionary containing all headers sent by the server as key/value pairs. \param body the frame's payload. This is usually empty for RECEIPT frames. """ pass def on_send(self, headers, body): """ Called by the STOMP connection when it is in the process of sending a message \param headers a dictionary containing the headers that will be sent with this message \param body the message payload """ pass def consume(): dest = 'jms.queue.TestQueue' clientId = 919191 headers={'client-id':clientId} #dest = 'jms.topic.TestTopic' conn = stomp.Connection([('192.168.123.74', 61613)]) print('set up Connection') conn.set_listener('somename', MyListener(conn,headers)) print('Set up listener') conn.start() print('started connection') conn.connect(wait=True,headers=headers) print('connected') conn.subscribe(destination=dest, ack='auto') print('subscribed') while True: pass print('slept') conn.disconnect() print('disconnected') if __name__ == '__main__': consume()