Created
April 7, 2014 07:41
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Activemq simple client with stompy
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| import sys | |
| import logging | |
| from stompy.stomp import Stomp, ConnectionError, ConnectionTimeoutError | |
| class QueueConsumer(object): | |
| """ Queue consumer | |
| """ | |
| def __init__(self, host='localhost', port=61613): | |
| self.logger = logging.getLogger('connect-logger') | |
| self.host = host | |
| self.port = port | |
| self.connection = None | |
| def connect(self): | |
| """ Connect to activemq | |
| """ | |
| self.logger.debug("Connecting to host {}:{}".format(self.host, self.port)) | |
| try: | |
| self.connection = Stomp(self.host, self.port) | |
| except ConnectionError as ce: | |
| self.logger.exception(ce) | |
| sys.exit(1) | |
| except ConnectionTimeoutError as cte: | |
| self.logger.exception(cte) | |
| sys.exit(1) | |
| self.connection.connect() | |
| self.logger.debug("Connected to host {}".format(self.host, self.port)) | |
| def subscribe(self, queue_name): | |
| """ Subscribe action to a queue | |
| """ | |
| self.connection.subscribe({'destination': '/queue/{}'.format(queue_name), 'ack': 'client'}) | |
| self.logger.debug("Subscribed to {}".format(queue_name)) | |
| def unsubscribe(self, queue_name): | |
| """ Unsubscribe action | |
| """ | |
| self.connection.unsubscribe({'destination': '/queue/{}'.format(queue_name)}) | |
| self.logger.debug("Unsubscribed from {}".format(queue_name)) | |
| def disconnect(self): | |
| """ Disconnect from activemq | |
| """ | |
| if self.connection and self.connection.connected: | |
| try: | |
| self.connection.disconnect() | |
| self.logger.debug("Disconnected from activemq {}:{}".format(self.host, self.port)) | |
| except Exception as ex: | |
| self.logger.error("Error while closing stomp connection: {}".format(ex)) | |
| finally: | |
| self.connection.connected = False | |
| def get_message(self): | |
| """ Get queue message | |
| """ | |
| return self.connection.receive_frame() |
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