def place_order(body): conn = get_connection() cursor = conn.cursor() sql = "Insert into orders (total_amount, created_on, status, email) values (%s, %s,%s,%s )" values = (body['total_amount'], body['created_on'], 'Ordered', body['email']) rows = cursor.execute(sql, values) order_id = cursor.lastrowid for row in body['products']: sql = "Insert into order_details (product_id, order_id, product_name, quantity, unit_cost) values (%s, %s, %s, %s, %s)" values = (row['product_id'], order_id, row['product_name'], row['quantity'], row['unit_cost']) rows = cursor.execute(sql, values) conn.commit() queue = '/queue/ordered' amq_conf = None # if isOpen('activemq-service.default', 61613): amq_conf = StompConfig('tcp://activemq-service.default:61613') #else: # amq_conf = StompConfig('tcp://localhost:30012') try: client = Stomp(amq_conf) client.connect() client.send(queue, str(order_id).encode()) client.disconnect() except: print("something went wrong") conn.close() return {'order_id': order_id}
def queueFile(parameters): bucket = app.config['s3.bucket'] username = app.config['s3.username'] password = app.config['s3.password'] input_folder = app.config['s3.input_folder'] or '/comets/input/' if username and password: s3 = boto3.resource('s3', aws_access_key_id=username, aws_secret_access_key=password) else: s3 = boto3.resource('s3') s3.meta.client.upload_file( parameters['filepath'], bucket, input_folder + parameters['filename'], ) forQueue = json.dumps(parameters) client = Stomp( StompConfig('tcp://' + app.config['queue.host'] + ':' + str(app.config['queue.port']))) client.connect() client.send('/queue/Comets', forQueue, {'correlation-id': parameters['filename']}) client.disconnect()
def test_4_integration_stomp_1_1(self): if StompSpec.VERSION_1_1 not in commands.versions(VERSION): print 'This broker does not support STOMP protocol version 1.1' return client = Stomp(self.getConfig(StompSpec.VERSION_1_1)) client.connect(host=VIRTUALHOST) client.send(self.DESTINATION, 'test message 1') client.send(self.DESTINATION, 'test message 2') self.assertFalse(client.canRead(self.TIMEOUT)) token = client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: 'client-individual'}) self.assertTrue(client.canRead(self.TIMEOUT)) client.ack(client.receiveFrame()) self.assertTrue(client.canRead(self.TIMEOUT)) client.ack(client.receiveFrame()) self.assertFalse(client.canRead(self.TIMEOUT)) client.unsubscribe(token) client.send(self.DESTINATION, 'test message 3', receipt='4711') self.assertTrue(client.canRead(self.TIMEOUT)) self.assertEquals(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {'receipt-id': '4711'})) self.assertFalse(client.canRead(self.TIMEOUT)) client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: 'client-individual'}) self.assertTrue(client.canRead(self.TIMEOUT)) client.ack(client.receiveFrame()) self.assertFalse(client.canRead(self.TIMEOUT)) client.disconnect(receipt='4712') self.assertEquals(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {'receipt-id': '4712'})) self.assertRaises(StompConnectionError, client.receiveFrame) client.connect(host=VIRTUALHOST) client.disconnect(receipt='4711') self.assertEquals(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {'receipt-id': '4711'})) client.close() self.assertRaises(StompConnectionError, client.canRead, 0)
def main(): logging.basicConfig() logging.getLogger().setLevel(logging.WARN) client = Stomp(stomp_config) client.connect() client.send(stomp_queue, body=stomp_body) client.subscribe(stomp_queue, {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT, 'activemq.prefetchSize': 1}) if client.canRead(timeout=5): frame = client.receiveFrame() print 'Got %s' % frame.info() client.ack(frame) frame_body = str(frame.body) if frame_body == stomp_body: print "OK: Message received" status = 'ok' else: print "WARNING: Incorrect message body; is %s, should be %s" % (frame_body, stomp_body) status = 'warning' else: print "CRITICAL: Timed out while trying to collect the message" status = 'critical' client.disconnect() client.close(flush=True) return exit_codes[status]
def main(): parser = argparse.ArgumentParser() parser.add_argument("-d", nargs=1, required=True, help="destination", metavar="dest") parser.add_argument("-e", action="store_true", default=False, help="persistent msgs flag") parser.add_argument("-m", nargs=1, required=True, help="msg", metavar="msg") parser.add_argument("-n", nargs=1, default=False, help="number of msgs", metavar="int") parser.add_argument("-p", nargs=1, default=False, help="msg prefix", metavar="msg prefix") parser.add_argument("-s", nargs=1, required=True, help="broker", metavar="broker") parser.add_argument("-t", nargs=1, default=False, help="send msg every sec", metavar="float") args = parser.parse_args() broker = "tcp://%s:6163" % (args.s[0]) config = StompConfig(broker) client = Stomp(config) client.connect() rd = "".join(random.sample("abcdefghijklmno", 2)) try: i = 0 if args.n: while i < int(args.n[0]): send_msg(args, client, i, rd) i += 1 else: while True: send_msg(args, client, i, rd) i += 1 except KeyboardInterrupt: client.disconnect() raise SystemExit(1)
def send(self): """ Create a new stomp configuration client, connect and then serializes message by message posting them to your consumers in TOPIC standard and disconnect. """ try: configuration = StompConfig(uri=self._broker_uri) client = Stomp(configuration) client.connect(connectTimeout=self._broker_timeout) for message in self._queue: serialized_message = json.dumps(message, ensure_ascii=False) client.send(self._queue_destination, serialized_message) client.disconnect() except Exception, e: self.log.error( u'QueueManagerError - Error on sending objects from queue.') self.log.debug(e) raise Exception( 'QueueManagerError - Error on sending objects to queue.')
def test_6_integration_stomp_1_1_encoding_and_escaping_headers(self): if BROKER == 'rabbitmq': print 'Broker does not support unicode characters. Skipping this test case.' return version = StompSpec.VERSION_1_1 client = Stomp(self.getConfig(version)) try: client.connect(host=VIRTUALHOST, versions=[version]) except StompProtocolError as e: print 'Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % ( e, version) return specialCharactersHeader = u'fen\xeatre:\r\n' headers = {specialCharactersHeader: u'\xbfqu\xe9 tal?, s\xfc\xdf'} client.send(self.DESTINATION, body='test message 1', headers=headers) self.assertFalse(client.canRead(self.TIMEOUT)) token = client.subscribe( self.DESTINATION, { StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL }) self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() client.ack(frame) self.assertEquals(frame.version, version) self.assertEquals(frame.headers[specialCharactersHeader], headers[specialCharactersHeader]) self.assertFalse(client.canRead(self.TIMEOUT)) client.unsubscribe(token) client.disconnect(receipt='4712')
def test_6_integration_stomp_1_1_encoding_and_escaping_headers(self): if BROKER == 'rabbitmq': print('Broker does not support unicode characters. Skipping this test case.') return version = StompSpec.VERSION_1_1 client = Stomp(self.getConfig(version)) try: client.connect(host=VIRTUALHOST, versions=[version]) except StompProtocolError as e: print('Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % (e, version)) return key = b'fen\xc3\xaatre'.decode('utf-8') value = b'\xc2\xbfqu\xc3\xa9 tal?'.decode('utf-8') headers = {key: value} client.send(self.DESTINATION, body=b'test message 1', headers=headers) self.assertFalse(client.canRead(self.TIMEOUT)) token = client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() client.ack(frame) self.assertEqual(frame.version, version) self.assertEqual(frame.headers[key], headers[key]) self.assertFalse(client.canRead(self.TIMEOUT)) client.unsubscribe(token) client.disconnect(receipt='4712')
def _test_4_integration_stomp(self, version): client = Stomp(self.getConfig(version)) try: client.connect(host=VIRTUALHOST, versions=[version]) except StompProtocolError as e: print('Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % (e, version)) return client.send(self.DESTINATION, b'test message 1') client.send(self.DESTINATION, b'test message 2') self.assertFalse(client.canRead(self.TIMEOUT)) token = client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) self.assertTrue(client.canRead(self.TIMEOUT)) client.ack(client.receiveFrame()) self.assertTrue(client.canRead(self.TIMEOUT)) client.ack(client.receiveFrame()) self.assertFalse(client.canRead(self.TIMEOUT)) client.unsubscribe(token) client.send(self.DESTINATION, b'test message 3', receipt='4711') self.assertTrue(client.canRead(self.TIMEOUT)) self.assertEqual(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4711'})) self.assertFalse(client.canRead(self.TIMEOUT)) client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) self.assertTrue(client.canRead(self.TIMEOUT)) client.ack(client.receiveFrame()) self.assertFalse(client.canRead(self.TIMEOUT)) client.disconnect(receipt='4712') self.assertEqual(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4712'})) self.assertRaises(StompConnectionError, client.receiveFrame) client.connect(host=VIRTUALHOST) client.disconnect(receipt='4711') self.assertEqual(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4711'})) client.close() self.assertRaises(StompConnectionError, client.canRead, 0)
def writeJson(value,*argv): '''Writes the specified value to an output file Takes: value-> List or Dict *argv: Available options: 'stomp' 'post' 'outfile' Returns: none ''' outJson=json.dumps(value) print outJson if 'stomp' in argv: CONFIG = StompConfig(stomp_config.server, stomp_config.login,stomp_config.passcode) QUEUE = stomp_config.queue client = Stomp(CONFIG) client.connect() client.send(QUEUE, outJson) client.disconnect() elif 'outfile' in argv: with open(outfile,'w') as jsonFile: jsonFile.write(outJson) elif 'post' in argv: #TODO Post to php server pass
def Producer(account, message): def documentCreateNotice(): result = dict(body=dict(func_name="documentCreateNotice", func_args=[{ "doc_type": "importEmail" }]), recipient="*", profile="user", tag="grendizer") return json.dumps(result) def Send_Notify(message): result = dict(body=dict(func_name="toastr.info", func_args=[message]), recipient="*", profile="user", tag="grendizer") return json.dumps(result) def clearNotice(): result = dict(body=dict(func_name="toastr.clear", func_args=[]), recipient="*", profile="user", tag="grendizer") return json.dumps(result) send_notify = Send_Notify(message) clear_notice = clearNotice() notice = documentCreateNotice() logger.debug(u"Отправляем сообщение: %s" % message) client = Stomp(StompConfig(default_uri)) client.connect() client.send(queue, notice) client.send(queue, send_notify) client.send(queue, clear_notice) client.disconnect()
def test_6_integration_stomp_1_1_encoding_and_escaping_headers(self): if BROKER == 'rabbitmq': print 'Broker does not support unicode characters. Skipping this test case.' return version = StompSpec.VERSION_1_1 client = Stomp(self.getConfig(version)) try: client.connect(host=VIRTUALHOST, versions=[version]) except StompProtocolError as e: print 'Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % (e, version) return specialCharactersHeader = u'fen\xeatre:\r\n' headers = {specialCharactersHeader: u'\xbfqu\xe9 tal?, s\xfc\xdf'} client.send(self.DESTINATION, body='test message 1', headers=headers) self.assertFalse(client.canRead(self.TIMEOUT)) token = client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 4711, StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() client.ack(frame) self.assertEquals(frame.version, version) self.assertEquals(frame.headers[specialCharactersHeader], headers[specialCharactersHeader]) self.assertFalse(client.canRead(self.TIMEOUT)) client.unsubscribe(token) client.disconnect(receipt='4712')
class PublisherAMQ(object): ''' classdocs ''' CONFIG = StompConfig('tcp://localhost:61613') QUEUE = '/queue/revideomessagesBE' def __init__(self, selk, selv, config=None, queue=None): ''' Constructor ''' if config is not None: self.CONFIG = config if queue is not None: self.QUEUE = queue self.client = Stomp(self.CONFIG) self.client.connect() self.selk = selk self.selv = selv def send(self, msg): #print "Send::: " + self.selector self.client.send(self.QUEUE, msg, headers={self.selk: self.selv}) def end(self): self.client.disconnect()
def test_3_socket_failure_and_replay(self): client = Stomp(self.getConfig(StompSpec.VERSION_1_0)) client.connect(host=VIRTUALHOST) headers = {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL} token = client.subscribe(self.DESTINATION, headers) client.sendFrame( StompFrame(StompSpec.DISCONNECT) ) # DISCONNECT frame is out-of-band, as far as the session is concerned -> unexpected disconnect self.assertRaises(StompConnectionError, client.receiveFrame) client.connect(host=VIRTUALHOST) client.send(self.DESTINATION, 'test message 1') client.ack(client.receiveFrame()) client.unsubscribe(token) headers = { StompSpec.ID_HEADER: 'bla', StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL } client.subscribe(self.DESTINATION, headers) headers[StompSpec.DESTINATION_HEADER] = self.DESTINATION client.sendFrame( StompFrame(StompSpec.DISCONNECT) ) # DISCONNECT frame is out-of-band, as far as the session is concerned -> unexpected disconnect self.assertRaises(StompConnectionError, client.receiveFrame) client.connect(host=VIRTUALHOST) client.send(self.DESTINATION, 'test message 2') client.ack(client.receiveFrame()) client.unsubscribe((StompSpec.ID_HEADER, 'bla')) client.disconnect()
def send(data): mqcfg = settings.MESSAGE_QUEUE config = StompConfig(mqcfg['url'], login=mqcfg['username'], passcode=mqcfg['password']) stomp = Stomp(config) stomp.connect(host=mqcfg['broker']) stomp.send(mqcfg['vote_queue'], json.dumps(data)) stomp.disconnect()
def test_2_transaction(self): config = self.getConfig(StompSpec.VERSION_1_0) client = Stomp(config) client.connect(host=VIRTUALHOST) client.subscribe( self.DESTINATION, {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) self.assertFalse(client.canRead(self.TIMEOUT)) with client.transaction(4711) as transaction: self.assertEquals(transaction, '4711') client.send(self.DESTINATION, 'test message', {StompSpec.TRANSACTION_HEADER: transaction}) self.assertFalse(client.canRead(0)) self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() self.assertEquals(frame.body, 'test message') client.ack(frame) with client.transaction(4713, receipt='4712') as transaction: self.assertEquals(transaction, '4713') self.assertEquals( client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4712-begin'})) client.send(self.DESTINATION, 'test message', {StompSpec.TRANSACTION_HEADER: transaction}) client.send(self.DESTINATION, 'test message without transaction') self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() self.assertEquals(frame.body, 'test message without transaction') client.ack(frame) self.assertFalse(client.canRead(0)) frames = [client.receiveFrame() for _ in xrange(2)] frames = list(sorted(frames, key=lambda f: f.command)) frame = frames[0] client.ack(frame) self.assertEquals(frame.body, 'test message') frame = frames[1] self.assertEquals( frame, StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4712-commit'})) try: with client.transaction(4714) as transaction: self.assertEquals(transaction, '4714') client.send(self.DESTINATION, 'test message', {StompSpec.TRANSACTION_HEADER: transaction}) raise RuntimeError('poof') except RuntimeError as e: self.assertEquals(str(e), 'poof') else: raise self.assertFalse(client.canRead(self.TIMEOUT)) client.disconnect()
def recv_stomp (): config = StompConfig (stomp_uri) client = Stomp (config) client.connect () client.subscribe (stomp_source, {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) frame = client.receiveFrame () print "Received: {}".format (frame.info ()) client.ack (frame) client.disconnect ()
def test(size): config = StompConfig("tcp://%s:%d" % (ACTIVEMQ_HOST, ACTIVEMQ_PORT)) client = Stomp(config) client.connect() msg = "0" * size for i in range(0, COUNT): client.send(TOPIC, msg) client.send(TOPIC, "quit") client.disconnect()
def main(): parser = argparse.ArgumentParser() parser.add_argument('-a', action='store_true', default=False, help='client ack') parser.add_argument('-b', action='store_true', default=False, help='write body only') parser.add_argument('-d', nargs=1, required=True, help='destination', metavar='dest') parser.add_argument('-f', nargs=1, required=True, help='file with recorded msgs', metavar='file') parser.add_argument('-n', nargs=1, default=False, help='number of msgs', metavar='int') parser.add_argument('-r', action='store_true', default=False, help='reconnect') parser.add_argument('-s', nargs=1, required=True, help='broker', metavar='broker') parser.add_argument('-t', nargs=1, default=False, help='recv msg every sec', metavar='float') args = parser.parse_args() broker = 'tcp://%s:6163' % (args.s[0]) config = StompConfig(broker) client = Stomp(config) if not args.r: client.connect() if args.a: client.subscribe(args.d[0], {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) else: client.subscribe(args.d[0], {StompSpec.ACK_HEADER: StompSpec.ACK_AUTO}) try: consumed = 0 while True: if args.r: client.connect() if args.a: client.subscribe(args.d[0], {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) else: client.subscribe(args.d[0], {StompSpec.ACK_HEADER: StompSpec.ACK_AUTO}) if args.t: time.sleep(float(args.t[0])) else: time.sleep(1) fo = open(args.f[0], 'a+') frame = client.receiveFrame() consumed += 1 if args.b: fo.write(frame.body+'\n') else: fo.write(frame.info()+'\n') fo.close() if args.a: client.ack(frame) if args.r: client.disconnect() if args.n: if consumed == int(args.n[0]): raise KeyboardInterrupt except KeyboardInterrupt: client.stop() client.disconnect() raise SystemExit(1) except stompest.error.StompProtocolError: pass
def recv_stomp(): config = StompConfig(stomp_uri) client = Stomp(config) client.connect() client.subscribe(stomp_source, {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) frame = client.receiveFrame() print "Received: {}".format(frame.info()) client.ack(frame) client.disconnect()
def setUp(self): config = self.getConfig(StompSpec.VERSION_1_0) client = Stomp(config) client.connect(host=VIRTUALHOST) client.subscribe(self.DESTINATION, {StompSpec.ACK_HEADER: StompSpec.ACK_AUTO}) client.subscribe(self.DESTINATION, {StompSpec.ID_HEADER: 'bla', StompSpec.ACK_HEADER: StompSpec.ACK_AUTO}) while client.canRead(self.TIMEOUT): frame = client.receiveFrame() self.log.debug('Dequeued old %s' % frame.info()) client.disconnect()
def run(self, messages=None): client = Stomp(self.config) client.connect() j = 0 for message in messages: client.send(queue, message, receipt='message-asterisk-%d' % j, headers={'persistent': 'true'}) j = j + 1 client.disconnect(receipt='bye')
def test_3_timeout(self): timeout = 0.2 client = Stomp(StompConfig(uri='failover:(tcp://localhost:61610,tcp://localhost:61613)?startupMaxReconnectAttempts=1,randomize=false', login=LOGIN, passcode=PASSCODE, version=StompSpec.VERSION_1_0)) client.connect(host=VIRTUALHOST, connectTimeout=timeout) client.disconnect() client = Stomp(StompConfig(uri='failover:(tcp://localhost:61610,tcp://localhost:61611)?startupMaxReconnectAttempts=1,backOffMultiplier=3', login=LOGIN, passcode=PASSCODE, version=StompSpec.VERSION_1_0)) self.assertRaises(StompConnectionError, client.connect, host=VIRTUALHOST, connectTimeout=timeout) client = Stomp(StompConfig(uri='failover:(tcp://localhost:61610,tcp://localhost:61613)?randomize=false', login=LOGIN, passcode=PASSCODE, version=StompSpec.VERSION_1_0)) # default is startupMaxReconnectAttempts = 0 self.assertRaises(StompConnectionError, client.connect, host=VIRTUALHOST, connectTimeout=timeout)
def main(): parser = argparse.ArgumentParser() parser.add_argument('config_file') parser.add_argument('--debug', action='store_true') parser.add_argument('--logfile') parser.add_argument('--purge', action='store_true') parser.add_argument('--loadgen', action='store_true') parser.add_argument('--sessionid') parser.add_argument('--httpserver', action='store_true') args = parser.parse_args() if args.logfile: fh = FileHandler(args.logfile) formatter = logging.Formatter(FORMAT) fh.setFormatter(formatter) logger.addHandler(fh) if args.debug: logger.setLevel(logging.DEBUG) config = yaml.load(open(args.config_file)) sessionmaker = config_to_db_session(config, Base) stomp_endpoint = config['stomp_endpoint'] stomp_login = config['stomp_login'] stomp_password = config['stomp_password'] stomp_config = StompConfig(stomp_endpoint, login=stomp_login, passcode=stomp_password) if args.purge: purge_completed_jobs(sessionmaker()) return elif args.loadgen: if not args.sessionid: raise ValueError('parameter sessionid is required for load generator') jm = StompSync(stomp_config) jm.connect() generate_load(jm, args.sessionid) jm.disconnect() return elif args.httpserver: from jobmanager.www import app app.config['DB'] = sessionmaker app.config['params'] = config app.run() return jm = JobManager(sessionmaker, config=stomp_config) jm.run() l = task.LoopingCall(jm.run_periodic_checks) l.start(PERIODIC_CHECK_INTERVAL) reactor.run()
def test(): config = StompConfig("tcp://%s:%d" % (ACTIVEMQ_HOST, ACTIVEMQ_PORT)) client = Stomp(config) client.connect() client.subscribe(TOPIC, {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) while True: f = client.receiveFrame() client.ack(f) if f.body == "quit": client.disconnect() break
class ConsumerAMQ(object): ''' classdocs ''' CONFIG = StompConfig('tcp://localhost:61613') QUEUE = '/queue/revideomessagesFE' FRAMEBODY = "MESSAGE" def __init__(self, sel, config=None, queue=None): ''' Constructor ''' if config is not None: self.CONFIG = config if queue is not None: self.QUEUE = queue self.selector = sel self.client = Stomp(self.CONFIG) self.client.connect() self.client.subscribe( self.QUEUE, { StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL, "selector": self.selector }) def receive(self): frame = None cnt = 5 while True: frame = self.client.receiveFrame() #print "frame: " + frame.info() if frame.command == self.FRAMEBODY: self.client.ack(frame) break frame = None cnt = cnt - 1 if cnt <= 0: break if frame is None: return frame else: return frame.body def end(self): self.client.disconnect()
def test_5_integration_stomp_1_1_heartbeat(self): version = StompSpec.VERSION_1_1 if BROKER == 'apollo': print "Broker %s doesn't properly support heart-beating. Skipping test." % BROKER return port = 61612 if (BROKER == 'activemq') else PORT # stomp+nio on 61613 does not work properly, so use stomp on 61612 client = Stomp(self.getConfig(StompSpec.VERSION_1_1, port)) self.assertEquals(client.lastReceived, None) self.assertEquals(client.lastSent, None) heartBeatPeriod = 100 try: client.connect(host=VIRTUALHOST, heartBeats=(heartBeatPeriod, heartBeatPeriod), versions=[version]) except StompProtocolError as e: print 'Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % (e, version) return self.assertTrue((time.time() - client.lastReceived) < 0.1) if not (client.serverHeartBeat and client.clientHeartBeat): print 'broker does not support heart-beating. disconnecting ...' client.disconnect() client.close() return serverHeartBeatInSeconds = client.serverHeartBeat / 1000.0 clientHeartBeatInSeconds = client.clientHeartBeat / 1000.0 start = time.time() while (time.time() - start) < (2.5 * max(serverHeartBeatInSeconds, clientHeartBeatInSeconds)): time.sleep(0.5 * min(serverHeartBeatInSeconds, clientHeartBeatInSeconds)) client.canRead(0) self.assertTrue((time.time() - client.lastReceived) < (2.0 * serverHeartBeatInSeconds)) if (time.time() - client.lastSent) > (0.5 * clientHeartBeatInSeconds): client.beat() self.assertTrue((time.time() - client.lastSent) < 0.1) start = time.time() try: while not client.canRead(0.5 * clientHeartBeatInSeconds): pass except StompConnectionError: self.assertTrue((time.time() - start) < (3.0 * clientHeartBeatInSeconds)) self.assertTrue((time.time() - client.lastReceived) < (2.0 * serverHeartBeatInSeconds)) self.assertTrue((time.time() - client.lastSent) > clientHeartBeatInSeconds) else: raise client.close()
class ActiveMQSession(object): """ Create a scoped session for every request and closes it when the request ends. """ def __init__(self, stompconf): self.client = Stomp(stompconf) def process_resource(self, req, resp, resource, params): self.client.connect() resource.activemq_conn = self.client def process_response(self, req, resp, resource, req_succeeded): if hasattr(resource, 'activemq_conn'): self.client.disconnect() self.client.close()
def _sender(queue_req, msg, session_id, msg_id): stomp_config = config.mq_config.get('stomp') client = Stomp(StompConfig(stomp_config)) client.connect() #H = {StompSpec.CONTENT_LENGTH_HEADER: len(msg), "length": len(msg)} H = {} H['MsgID'] = msg_id H['SessionID'] = session_id H['Signature'] = sign(msg) if isinstance(msg, dict): msg = json.dumps(msg) print '===> [%s] session_ids: %s, body: %s' % (queue_req, session_id, msg) client.send(queue_req, body=msg, headers=H, receipt="ok") client.disconnect()
def test_5_integration_stomp_1_1_heartbeat(self): version = StompSpec.VERSION_1_1 port = 61612 if (BROKER == 'activemq') else PORT # stomp+nio on 61613 does not work properly, so use stomp on 61612 client = Stomp(self.getConfig(StompSpec.VERSION_1_1, port)) self.assertEquals(client.lastReceived, None) self.assertEquals(client.lastSent, None) heartBeatPeriod = 100 try: client.connect(host=VIRTUALHOST, heartBeats=(heartBeatPeriod, heartBeatPeriod), versions=[version]) except StompProtocolError as e: print 'Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % (e, version) return self.assertTrue((time.time() - client.lastReceived) < 0.1) if not (client.serverHeartBeat and client.clientHeartBeat): print 'broker does not support heart-beating. disconnecting ...' client.disconnect() client.close() return serverHeartBeatInSeconds = client.serverHeartBeat / 1000.0 clientHeartBeatInSeconds = client.clientHeartBeat / 1000.0 start = time.time() while (time.time() - start) < (2.5 * max(serverHeartBeatInSeconds, clientHeartBeatInSeconds)): time.sleep(0.5 * min(serverHeartBeatInSeconds, clientHeartBeatInSeconds)) client.canRead(0) self.assertTrue((time.time() - client.lastReceived) < (2.0 * serverHeartBeatInSeconds)) if (time.time() - client.lastSent) > (0.5 * clientHeartBeatInSeconds): client.beat() self.assertTrue((time.time() - client.lastSent) < 0.1) start = time.time() try: while not client.canRead(0.5 * clientHeartBeatInSeconds): pass if client.receiveFrame().command == StompSpec.ERROR: raise StompProtocolError() except (StompConnectionError, StompProtocolError): self.assertTrue((time.time() - start) < (3.0 * clientHeartBeatInSeconds)) self.assertTrue((time.time() - client.lastReceived) < (2.0 * serverHeartBeatInSeconds)) self.assertTrue((time.time() - client.lastSent) > clientHeartBeatInSeconds) else: raise client.close()
def change_order_status(id): conn = get_connection() cursor = conn.cursor() cursor.execute("SELECT status FROM orders where order_id = " + str(id) + "") rows = cursor.fetchall() status = rows[0][0] next_status = None if status == 'Ordered': next_status = 'ReadyToShip' queue = '/queue/readytoship' elif status == 'ReadyToShip': next_status = 'Shipped' queue = '/queue/shipped' elif status == 'Shipped': next_status = 'Delivered' if status == 'Delivered': return True if next_status == 'ReadyToShip' or next_status == 'Shipped': amq_conf = None #if isOpen('activemq.default', 61612): amq_conf = StompConfig('tcp://activemq-service.default:61613') #else: # amq_conf = StompConfig('tcp://localhost:30012') try: client = Stomp(amq_conf) client.connect() client.send(queue, str(id).encode()) client.disconnect() except: print("something went wrong") sql = "Update systeam_ecommerce.orders SET status = '" + next_status + "' where order_id = " + str( id) + "" rows = cursor.execute(sql) sql = "Delete from systeam_ecommerce.next_order where status = '" + status + "'" rows = cursor.execute(sql) conn.commit() conn.close() return True
def test_2_transaction(self): config = self.getConfig(StompSpec.VERSION_1_0) client = Stomp(config) client.connect(host=VIRTUALHOST) client.subscribe(self.DESTINATION, {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) self.assertFalse(client.canRead(self.TIMEOUT)) with client.transaction(4711) as transaction: self.assertEqual(transaction, '4711') client.send(self.DESTINATION, b'test message', {StompSpec.TRANSACTION_HEADER: transaction}) self.assertFalse(client.canRead(0)) self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() self.assertEqual(frame.body, b'test message') client.ack(frame) with client.transaction(4713, receipt='4712') as transaction: self.assertEqual(transaction, '4713') self.assertEqual(client.receiveFrame(), StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4712-begin'})) client.send(self.DESTINATION, b'test message', {StompSpec.TRANSACTION_HEADER: transaction}) client.send(self.DESTINATION, b'test message without transaction') self.assertTrue(client.canRead(self.TIMEOUT)) frame = client.receiveFrame() self.assertEqual(frame.body, b'test message without transaction') client.ack(frame) self.assertFalse(client.canRead(0)) frames = [client.receiveFrame() for _ in range(2)] frames = list(sorted(frames, key=lambda f: f.command)) frame = frames[0] client.ack(frame) self.assertEqual(frame.body, b'test message') frame = frames[1] self.assertEqual(frame, StompFrame(StompSpec.RECEIPT, {StompSpec.RECEIPT_ID_HEADER: '4712-commit'})) try: with client.transaction(4714) as transaction: self.assertEqual(transaction, '4714') client.send(self.DESTINATION, b'test message', {StompSpec.TRANSACTION_HEADER: transaction}) raise RuntimeError('poof') except RuntimeError as e: self.assertEqual(str(e), 'poof') else: raise self.assertFalse(client.canRead(self.TIMEOUT)) client.disconnect()
def sendqueue(tokenId): #try: timestr = time.strftime("%Y-%m-%d") QUEUE = jpsurvConfig.getAsString(QUEUE_NAME) QUEUE_CONFIG = StompConfig(jpsurvConfig.getAsString(QUEUE_URL)) client = Stomp(QUEUE_CONFIG) client.connect() client.send( QUEUE, json.dumps({ "filepath": UPLOAD_DIR, "token": tokenId, "timestamp": timestr })) client.disconnect() return
def test_5_integration_stomp_1_1_heartbeat(self): version = StompSpec.VERSION_1_1 client = Stomp(self.getConfig(StompSpec.VERSION_1_1)) self.assertEqual(client.lastReceived, None) self.assertEqual(client.lastSent, None) heartBeatPeriod = 100 try: client.connect(host=VIRTUALHOST, heartBeats=(heartBeatPeriod, heartBeatPeriod), versions=[version]) except StompProtocolError as e: print('Broker does not support STOMP protocol %s. Skipping this test case. [%s]' % (e, version)) return self.assertTrue((time.time() - client.lastReceived) < 0.1) if not (client.serverHeartBeat and client.clientHeartBeat): print('broker does not support heart-beating. disconnecting ...') client.disconnect() client.close() return serverHeartBeatInSeconds = client.serverHeartBeat / 1000.0 clientHeartBeatInSeconds = client.clientHeartBeat / 1000.0 start = time.time() while (time.time() - start) < (2.5 * max(serverHeartBeatInSeconds, clientHeartBeatInSeconds)): time.sleep(0.5 * min(serverHeartBeatInSeconds, clientHeartBeatInSeconds)) client.canRead(0) self.assertTrue((time.time() - client.lastReceived) < (2.0 * serverHeartBeatInSeconds)) if (time.time() - client.lastSent) > (0.5 * clientHeartBeatInSeconds): client.beat() self.assertTrue((time.time() - client.lastSent) < 0.1) start = time.time() try: while not client.canRead(0.5 * clientHeartBeatInSeconds): pass if client.receiveFrame().command == StompSpec.ERROR: raise StompProtocolError() except (StompConnectionError, StompProtocolError): self.assertTrue((time.time() - start) < (3.0 * clientHeartBeatInSeconds)) self.assertTrue((time.time() - client.lastReceived) < (2.0 * serverHeartBeatInSeconds)) self.assertTrue((time.time() - client.lastSent) > clientHeartBeatInSeconds) else: raise client.close()
def run(self): files = os.listdir(self.path) for queue_file in files: archive_file = '{0}/archive/{1}'.format(self.path, queue_file) if queue_file.startswith('archive'): pass else: with open("{0}/{1}".format(self.path, queue_file), 'r') as qf: get_lines = list(qf) for line in get_lines: dts = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S') client = Stomp(config=self.config) client.connect() print "Sending message {0} to queue {1}".format(line, queue_file) with open(archive_file, 'a') as af: af.write("{0} Sent message: {1} to queue {2}\n".format(dts, line, queue_file)) client.send(queue_file, json.dumps(line)) client.disconnect()
def CreateConnection(): try: Write2File(threading.currentThread().getName(), "INFO", "Connecting to ActiveMQ Server.") client = Stomp( StompConfig("tcp://" + server + ":" + port, login=login, passcode=passcode, version="1.2")) client.connect(versions=["1.2"], host=vhost, heartBeats=(0, 60000)) #CONNECT subscription = client.subscribe(destination, { "ack": "client", "id": "0", "headers": { "activemq.prefetchSize": 1 } }) #SUBSCRIB Write2File(threading.currentThread().getName(), "INFO", "Connection to ActiveMQ Server successfully established.") except: Write2File(threading.currentThread().getName(), "ERROR", str(sys.exc_info())) raise try: while (client.canRead(5)): Write2File(threading.currentThread().getName(), "DEBUG", "Setting LOCK.") container.acquire() ReceiveFrame(client) else: Write2File(threading.currentThread().getName(), "INFO", "Closing connection with ActiveMQ Server.") client.disconnect() if (container.acquire(blocking=False)): Write2File(threading.currentThread().getName(), "DEBUG", "Removing LOCK.") container.release() except: Write2File(threading.currentThread().getName(), "ERROR", str(sys.exc_info())) exit(1)
def main(): parser = argparse.ArgumentParser() parser.add_argument('-d', nargs=1, required=True, help='destination', metavar='dest') parser.add_argument('-e', action='store_true', default=False, help='persistent msgs flag') parser.add_argument('-a', nargs=1, required=False, help='fixed timestamp', metavar='fixed timestamp') parser.add_argument('-n', nargs=1, default=False, help='number of msgs', metavar='int') parser.add_argument('-o', default=6163, type=int, help='port', metavar='port') parser.add_argument('-z', default=16, type=int, help='size of msg payload', metavar='msg prefix') parser.add_argument('-p', nargs=1, default=False, help='msg prefix', metavar='msg prefix') parser.add_argument('-s', nargs=1, required=True, help='broker', metavar='broker') parser.add_argument('-i', action='store_true', required=False, default=False, help='paired service type') parser.add_argument('-w', action='store_true', default=False, help='format message wrongly') parser.add_argument('-t', nargs=1, default=False, help='send msg every sec', metavar='float') parser.add_argument('-v', action='store_true', default=False, help='verbose') args = parser.parse_args() broker = 'tcp://%s:%i' % (args.s[0], args.o) config = StompConfig(broker) client = Stomp(config) client.connect() try: i = 0 if args.n: while i < int(args.n[0]): msg = gen_msg(args) if args.v: print str(i) print '%.128s' % msg send_msg(args, client, msg) i += 1 else: while True: msg = gen_msg(args) if args.v: print str(i) print '%.128s' % msg send_msg(args, client, msg) i += 1 except KeyboardInterrupt: client.disconnect() raise SystemExit(1)
def sendqueue(inputFileId, emailAddress, fileName, url, socSystem): #try: import time now = time.strftime("%a %b %X %Z %Y") QUEUE = soccerConfig.getAsString(QUEUE_NAME) QUEUE_CONFIG = StompConfig(soccerConfig.getAsString(QUEUE_URL)) filePath = os.path.join(RESULTS_PATH, inputFileId) client = Stomp(QUEUE_CONFIG) client.connect() client.send( QUEUE, json.dumps({ "inputFileId": inputFileId, "emailAddress": emailAddress, "fileName": fileName, "timestamp": now, "url": url, "socSystem": socSystem })) client.disconnect()
def test_3_socket_failure_and_replay(self): client = Stomp(self.getConfig(StompSpec.VERSION_1_0)) client.connect(host=VIRTUALHOST) headers = {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL} token = client.subscribe(self.DESTINATION, headers) client.sendFrame(StompFrame(StompSpec.DISCONNECT)) # DISCONNECT frame is out-of-band, as far as the session is concerned -> unexpected disconnect self.assertRaises(StompConnectionError, client.receiveFrame) client.connect(host=VIRTUALHOST) client.send(self.DESTINATION, b'test message 1') client.ack(client.receiveFrame()) client.unsubscribe(token) headers = {StompSpec.ID_HEADER: 'bla', StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL} client.subscribe(self.DESTINATION, headers) headers[StompSpec.DESTINATION_HEADER] = self.DESTINATION client.sendFrame(StompFrame(StompSpec.DISCONNECT)) # DISCONNECT frame is out-of-band, as far as the session is concerned -> unexpected disconnect self.assertRaises(StompConnectionError, client.receiveFrame) client.connect(host=VIRTUALHOST) client.send(self.DESTINATION, b'test message 2') client.ack(client.receiveFrame()) client.unsubscribe((StompSpec.ID_HEADER, 'bla')) client.disconnect()
def _sender(queue_req, msg, session_id, msg_id, selector=None): stomp_config = config.mq.get('stomp') client = Stomp(StompConfig(stomp_config)) client.connect() #H = {StompSpec.CONTENT_LENGTH_HEADER: len(msg), "length": len(msg)} H = {} H['MsgID'] = msg_id H['SessionID'] = session_id H['Signature'] = sign(msg) if selector is not None: H[selector[0]] = selector[1] print 'send msg: ' print json.dumps(msg, indent=1) if isinstance(msg, dict): msg = json.dumps(msg) logger.info('===>[%s] session_ids: %s, body: %s' % (queue_req, session_id, msg)) client.send(queue_req, body=msg, headers=H, receipt="ok") client.disconnect()
def send_message(messageBody, destination=None, queueName=None): client = None if destination != None: client = Stomp(StompConfig(destination)) else: client = Stomp(StompConfig("tcp://localhost:61613")) QUEUE = None if queueName != None: QUEUE = queueName else: QUEUE = "pods2jbpm" #client = Stomp(CONFIG) client.connect() body = messageBody client.send(QUEUE, body) client.disconnect()
def processData(): # Process Files files = request.files print len(files) keys = [] parameters = request.form param = {} for key in parameters: param[key] = parameters[key] for file in files: files[file].save( os.path.join(app.config[rs3d.UPLOAD_FOLDER], files[file].filename)) param[file] = files[file].filename try: client = Stomp(app.config[rs3d.QUEUE_CONFIG]) client.connect() client.send(app.config[rs3d.QUEUE_NAME], json.dumps(param)) client.disconnect() return "Success" except Exception as e: return "Failed"
def send(self): """ Create a new stomp configuration client, connect and then serializes message by message posting them to your consumers in TOPIC standard and disconnect. """ try: configuration = StompConfig(uri=self._broker_uri) client = Stomp(configuration) client.connect(connectTimeout=self._broker_timeout) for message in self._queue: serialized_message = json.dumps(message, ensure_ascii=False) client.send(self._queue_destination, serialized_message) client.disconnect() except Exception, e: self.log.error(u"QueueManagerError - Error on sending objects from queue.") self.log.debug(e)
pp.create_reduction_script() # Check for registered processors if type(configuration.processors) == list: for p in configuration.processors: toks = p.split('.') if len(toks) == 2: processor_module = __import__("postprocessing.processors.%s" % toks[0], globals(), locals(), [toks[1], ], -1) try: processor_class = eval("processor_module.%s" % toks[1]) if namespace.queue == processor_class.get_input_queue_name(): # Instantiate and call the processor proc = processor_class(data, configuration, send_function=pp.send) proc() except: logging.error("PostProcessAdmin: Processor error: %s" % sys.exc_value) else: logging.error("PostProcessAdmin: Processors can only be specified in the format module.Processor_class") except: # If we have a proper data dictionary, send it back with an error message if type(data) == dict: data["error"] = str(sys.exc_value) stomp = Stomp(StompConfig(configuration.failover_uri, configuration.amq_user, configuration.amq_pwd)) stomp.connect() stomp.send(configuration.postprocess_error, json.dumps(data)) stomp.disconnect() raise except: logging.error("PostProcessAdmin: %s" % sys.exc_value)
class JMSClient(object): """Class JMSClient """ _mh = None _client = None _host = None _port = None _user = None _passw = None _verbose = None _is_connected = None def __init__(self, verbose=False): """Class constructor Called when the object is initialized Args: verbose (bool): verbose mode """ try: self._mh = MasterHead.get_head() self._verbose = verbose if (self._verbose): basicConfig() getLogger().setLevel(DEBUG) except StompError as ex: self._mh.demsg('htk_on_error', ex, self._mh.fromhere()) @property def client(self): """ STOMP client property getter """ return self._client @property def host(self): """ server host property getter """ return self._host @property def port(self): """ server port property getter """ return self._port @property def user(self): """ username property getter """ return self._user @property def passw(self): """ user password property getter """ return self._passw @property def verbose(self): """ verbose mode property getter """ return self._verbose @property def is_connected(self): """ is_connected property getter """ return self._is_connected def connect(self, host, port=61613, user=None, passw=None, timeout=10): """Method connects to server Args: host (str): hostname port (str): port user (str): username passw (str): password timeout (int): timeout Returns: bool: result Raises: event: jms_before_connect event: jms_after_connected """ try: msg = 'host:{0}, port:{1}, user:{2}, passw:{3}, timeout:{4}'.format( host, port, user, passw, timeout) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_connecting', msg), self._mh.fromhere()) ev = event.Event( 'jms_before_connect', host, port, user, passw, timeout) if (self._mh.fire_event(ev) > 0): host = ev.argv(0) port = ev.argv(1) user = ev.argv(2) passw = ev.argv(3) timeout = ev.argv(4) self._host = host self._port = port self._user = user self._passw = passw if (ev.will_run_default()): self._client = Stomp(StompConfig('tcp://{0}:{1}'.format(self._host, self._port), login=self._user, passcode=self._passw)) self._client.connect( connectTimeout=timeout, connectedTimeout=timeout) self._is_connected = True self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_connected'), self._mh.fromhere()) ev = event.Event('jms_after_connect') self._mh.fire_event(ev) return True except StompError as ex: self._mh.demsg('htk_on_error', ex, self._mh.fromhere()) return False def disconnect(self): """Method disconnects from server Args: none Returns: bool: result """ try: self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_disconnecting'), self._mh.fromhere()) if (not self._is_connected): self._mh.demsg('htk_on_warning', self._mh._trn.msg( 'htk_jms_not_connected'), self._mh.fromhere()) return False else: self._client.disconnect() self._client.close() self._is_connected = False self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_disconnected'), self._mh.fromhere()) return True except StompError as ex: self._mh.demsg('htk_on_error', ex, self._mh.fromhere()) return False def send(self, destination_name, message, destination_type='queue', headers={}): """Method sends message JMS headers - JMSCorrelationID, JMSExpiration, JMSDeliveryMode, JMSPriority, JMSReplyTo, JMSType Args: destination_name (str): queue|topic name message (str): message destination_type (str): queue|topic headers (dict): JMS headers, key - title, value - string Returns: bool: result Raises: event: jms_before_send event: jms_after_send """ try: msg = 'destination_name:{0}, message:{1}, destination_type:{2}, headers:{3}'.format( destination_name, message, destination_type, headers) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_sending_msg', msg), self._mh.fromhere()) if (not self._is_connected): self._mh.demsg('htk_on_warning', self._mh._trn.msg( 'htk_jms_not_connected'), self._mh.fromhere()) return False ev = event.Event( 'jms_before_send', destination_name, message, destination_type, headers) if (self._mh.fire_event(ev) > 0): destination_name = ev.argv(0) message = ev.argv(1) destination_type = ev.argv(2) headers = ev.argv(3) if (ev.will_run_default()): headers_new = {} for key, value in headers.items(): if (key in mapping): headers_new[mapping[key]] = value self._client.send('/{0}/{1}'.format(destination_type, destination_name), message if ( version_info[0] == 2) else message.encode('utf-8'), headers_new) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_msg_sent'), self._mh.fromhere()) ev = event.Event('jms_after_send') self._mh.fire_event(ev) return True except StompError as ex: self._mh.demsg('htk_on_error', ex, self._mh.fromhere()) return False def receive(self, destination_name, cnt=1): """Method receives messages Args: destination_name (str): queue name cnt (int): count of messages Returns: list: messages as dictionary {'message', JMS headers} Raises: event: jms_before_receive event: jms_after_receive """ try: msg = 'destination_name:{0}, count:{1}'.format( destination_name, cnt) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_receiving_msg', msg), self._mh.fromhere()) if (not self._is_connected): self._mh.demsg('htk_on_warning', self._mh._trn.msg( 'htk_jms_not_connected'), self._mh.fromhere()) return None ev = event.Event('jms_before_receive', destination_name, cnt) if (self._mh.fire_event(ev) > 0): destination_name = ev.argv(0) cnt = ev.argv(1) if (ev.will_run_default()): token = self._client.subscribe('/queue/{0}'.format(destination_name), {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) msgs = [] i = 0 while (i < cnt and self._client.canRead(1)): frame = self._client.receiveFrame() if (frame.command != 'MESSAGE'): break self._client.ack(frame) msgs.append(frame) i = i + 1 self._client.unsubscribe(token) messages = [] for msg in msgs: message = {} message['message'] = msg.body.decode() for header in msg.rawHeaders: if (header[0] in mapping.values()): message[ list(mapping.keys())[list(mapping.values()).index(header[0])]] = header[1] messages.append(message) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_msg_received', len(messages)), self._mh.fromhere()) ev = event.Event('jms_after_receive') self._mh.fire_event(ev) return messages except StompError as ex: self._mh.demsg('htk_on_error', ex, self._mh.fromhere()) return None def browse(self, destination_name, cnt=100, jms_correlation_id=None, jms_type=None): """Method browses queue Args: destination_name (str): queue name cnt (int): count of messages jms_correlation_id (str): requested JMSCorrelationID jms_type (str): requested JMSType Returns: list: messages as dictionary {'message', JMS headers} Raises: event: jms_before_browse event: jms_after_browse """ try: msg = 'destination_name:{0}, count:{1}, jms_correlation_id:{2}, jms_type:{3}'.format( destination_name, cnt, jms_correlation_id, jms_type) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_browsing', msg), self._mh.fromhere()) if (not self._is_connected): self._mh.demsg('htk_on_warning', self._mh._trn.msg( 'htk_jms_not_connected'), self._mh.fromhere()) return None ev = event.Event( 'jms_before_browse', destination_name, cnt, jms_correlation_id, jms_type) if (self._mh.fire_event(ev) > 0): destination_name = ev.argv(0) cnt = ev.argv(1) jms_correlation_id = ev.argv(2) jms_type = ev.argv(3) if (ev.will_run_default()): token = self._client.subscribe('/queue/{0}'.format(destination_name), {StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) msgs = [] i = 0 while (i < cnt and self._client.canRead(1)): frame = self._client.receiveFrame() correlation_id = None type = None for header in frame.rawHeaders: if (header[0] == 'correlation-id'): correlation_id = header[1] elif (header[0] == 'type'): type = header[1] if ((jms_correlation_id == None or jms_correlation_id == correlation_id) and (jms_type == None or jms_type == type)): msgs.append(frame) i = i + 1 self._client.unsubscribe(token) messages = [] for msg in msgs: message = {} message['message'] = msg.body.decode() for header in msg.rawHeaders: if (header[0] in mapping.values()): message[ list(mapping.keys())[list(mapping.values()).index(header[0])]] = header[1] messages.append(message) self._mh.demsg('htk_on_debug_info', self._mh._trn.msg( 'htk_jms_msg_received', len(messages)), self._mh.fromhere()) ev = event.Event('jms_after_browse') self._mh.fire_event(ev) return messages except StompError as ex: self._mh.demsg('htk_on_error', ex, self._mh.fromhere()) return None
def enqueue(queue_url, queue_name, data): """ Sends a message to a queue """ client = Stomp(StompConfig(queue_url)) client.connect() client.send(queue_name, data) client.disconnect()
import time from stompest.config import StompConfig from stompest.sync import Stomp server = "hostname" port = "61613" vhost = "yourvhost" login = "******" passcode = "password" destination = "/queue/test" #There're more options other than /queue/... try: client = Stomp( StompConfig("tcp://" + server + ":" + port, login=login, passcode=passcode, version="1.2")) client.connect(versions=["1.2"], host=vhost, heartBeats=(0, 60000)) #CONNECT msgNum = int(input("Quantity of test messages: ")) for i in range(msgNum): message = "test msg " + str(i + 1) client.send(destination, body=message, headers={"content-type": "text/plain"}, receipt=None) #SEND time.sleep(1) client.disconnect() #DISCONNECT except Exception, e: print e
def calculate(): pathwayConfig = app.config[Pathway.CONFIG] try: ts = str(time.time()) parameters = dict(request.form) for field in parameters: parameters[field] = parameters[field][0] parameters['idstr'] = ts filelist = request.files studyList = [] num_studies = int(parameters['num_studies']) for i in xrange(1,num_studies+1): studyKey = "study_" + str(i) studyObj = {} studyObj['lambda'] = parameters['lambda_' + str(i)] del parameters['lambda_'+str(i)] studyObj['sample_sizes'] = [] for resourceInd in range(1,int(parameters['num_resource_' + str(i)])+1): studyObj['sample_sizes'].append(parameters['sample_size_' + str(i) + '_' + str(resourceInd)]) del parameters['sample_size_' + str(i) + '_' + str(resourceInd)] del parameters['num_resource_' + str(i)] studyFile = filelist[studyKey] if studyFile.filename: filename = os.path.join(os.getcwd(),app.config['UPLOAD_FOLDER'],ts + '-' + str(i) + '.study') studyObj['filename'] = filename studyFile.save(filename) else: return Pathway.buildFailure("The file seems to be missing from Study #" + i + ".") studyList.append(studyObj) del parameters['num_studies'] parameters['studies'] = studyList if parameters['pathway_type'] == 'file_pathway': pathFile = filelist['file_pathway'] if pathFile.filename: filename = os.path.join(app.config['UPLOAD_FOLDER'],ts + '.pathway') parameters['pathway'] = filename pathFile.save(filename) else: return Pathway.buildFailure("The pathway file seems to be missing.") elif parameters['pathway_type'] == 'database_pathway': parameters['pathway'] = os.path.join(app.config['PATHWAY_FOLDER'],parameters['database_pathway']) else: return Pathway.buildFailure("The pathway file seems to be missing.") if "database_pathway" in parameters: del parameters['database_pathway'] if "selectAll" in parameters: del parameters['selectAll'] if "selectItem" in parameters: del parameters['selectItem'] superpop = {} subpop = {} for population in parameters['populations'].split(","): population = population.split('|') if os.path.isfile(os.path.join(app.config['POPULATION_FOLDER'],population[0],population[1]+'.txt')): superpop[population[0]] = 1 subpop_file = os.path.join(app.config['POPULATION_FOLDER'],population[0],population[1]+'.txt') with open(subpop_file, 'r') as subpop_file: for line in subpop_file: subpop[line.strip()] = 1 else: return Pathway.buildFailure("An invalid population was submitted.") if (len(superpop) > 1): return Pathway.buildFailure("An invalid population was submitted.") del parameters['populations'] for population in superpop: parameters['plink'] = app.config['PLINK_PATTERN'].replace("$pop",population) parameters['population'] = [] for population in subpop: parameters['population'].append(population) parameters['outdir'] = app.config['OUT_FOLDER'] parameters['refinep'] = parameters.get('refinep',"").lower() in ['true','t','1'] parameters['gene_subset'] = parameters.get('gene_subset',"").lower() in ['true','t','1'] jsonout = {"submittedTime": parameters['idstr'], "payload": parameters} with open(os.path.join(app.config['OUT_FOLDER'],str(parameters['idstr'])+'.json'),'w') as outfile: json.dump(jsonout,outfile) client = Stomp(pathwayConfig[Pathway.QUEUE_CONFIG]) client.connect() client.send(pathwayConfig.getAsString(Pathway.QUEUE_NAME), json.dumps(parameters)) client.disconnect() return Pathway.buildSuccess("The request has been received. An email will be sent when the calculation has completed.") except Exception as e: exc_type, exc_obj, exc_tb = sys.exc_info() fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1] print("EXCEPTION------------------------------", exc_type, fname, exc_tb.tb_lineno) return Pathway.buildFailure(str(e))
from stompest.config import StompConfig from stompest.sync import Stomp user = os.getenv('APOLLO_USER') or 'admin' password = os.getenv('APOLLO_PASSWORD') or 'password' host = os.getenv('APOLLO_HOST') or 'localhost' port = int(os.getenv('APOLLO_PORT') or 61613) destination = sys.argv[1:2] or ['/topic/event'] destination = destination[0] messages = 10000 data = 'Hello World from Python' config = StompConfig('tcp://%s:%d' % (host, port), login=user, passcode=password, version='1.1') client = Stomp(config) client.connect(host='mybroker') count = 0 start = time.time() for _ in xrange(messages): client.send(destination=destination, body=data, headers={'persistent': 'false'}) count += 1 diff = time.time() - start print 'Sent %s frames in %f seconds' % (count, diff) client.disconnect(receipt='bye') client.receiveFrame() client.close()
client.send(destination=destination, body="scai.fhg.de/voc/ccg", headers=headers) for i in queries: client.send(destination=destination, body="scai.fhg.de/concept/" + str(i), headers=headers) print u"# ErasmusMC ontology file".encode('utf-8') print u"VR 0.0".encode('utf-8') print u"ON CCG_Ontology".encode('utf-8') print u"--".encode('utf-8') @timeout(1) def receiveFrames(): frame = clientConsumer.receiveFrame() xml = ElementTree.fromstring(frame.body) modelText = xml.find('docelem').find('model').text if (modelText is not None): print unicode(modelText).encode('utf-8') print u"--".encode('utf-8') for reply in queries: receiveFrames() client.disconnect(receipt='bye') client.receiveFrame() client.close() clientConsumer.disconnect(receipt='bye') clientConsumer.receiveFrame() clientConsumer.close()
class PostProcessAdmin: def __init__(self, data, conf): logging.debug("json data: %s [%s]" % (str(data), type(data))) if not type(data) == dict: raise ValueError, "PostProcessAdmin expects a data dictionary" data["information"] = socket.gethostname() self.data = data self.conf = conf # List of error messages to be handled as information self.exceptions = self.conf.exceptions stompConfig = StompConfig(self.conf.failover_uri, self.conf.amq_user, self.conf.amq_pwd) self.client = Stomp(stompConfig) self.data_file = None self.facility = None self.instrument = None self.proposal = None self.run_number = None def _process_data(self, data): """ Retrieve run information from the data dictionary provided with an incoming message. @param data: data dictionary """ if data.has_key('data_file'): self.data_file = str(data['data_file']) if os.access(self.data_file, os.R_OK) == False: raise ValueError("Data file does not exist or is not readable: %s" % self.data_file) else: raise ValueError("data_file is missing: %s" % self.data_file) if data.has_key('facility'): self.facility = str(data['facility']).upper() else: raise ValueError("Facility is missing") if data.has_key('instrument'): self.instrument = str(data['instrument']).upper() else: raise ValueError("Instrument is missing") if data.has_key('ipts'): self.proposal = str(data['ipts']).upper() else: raise ValueError("IPTS is missing") if data.has_key('run_number'): self.run_number = str(data['run_number']) else: raise ValueError("Run number is missing") def reduce(self, remote=False): """ Reduction process using job submission. @param remote: If True, the job will be submitted to a compute node """ self._process_data(self.data) try: self.send('/queue/' + self.conf.reduction_started, json.dumps(self.data)) instrument_shared_dir = os.path.join('/', self.facility, self.instrument, 'shared', 'autoreduce') proposal_shared_dir = os.path.join('/', self.facility, self.instrument, self.proposal, 'shared', 'autoreduce') log_dir = os.path.join(proposal_shared_dir, "reduction_log") if not os.path.exists(log_dir): os.makedirs(log_dir) # Allow for an alternate output directory, if defined if len(self.conf.dev_output_dir.strip()) > 0: proposal_shared_dir = self.conf.dev_output_dir logging.info("Using output directory: %s" % proposal_shared_dir) # Look for run summary script summary_script = os.path.join(instrument_shared_dir, "sumRun_%s.py" % self.instrument) if os.path.exists(summary_script) == True: summary_output = os.path.join(proposal_shared_dir, "%s_%s_runsummary.csv" % (self.instrument, self.proposal)) cmd = "python " + summary_script + " " + self.instrument + " " + self.data_file + " " + summary_output logging.debug("Run summary subprocess started: " + cmd) subprocess.call(cmd, shell=True) logging.debug("Run summary subprocess completed, see " + summary_output) # Look for auto-reduction script reduce_script_path = os.path.join(instrument_shared_dir, "reduce_%s.py" % self.instrument) if os.path.exists(reduce_script_path) == False: self.send('/queue/' + self.conf.reduction_disabled, json.dumps(self.data)) return # Run the reduction out_log = os.path.join(log_dir, os.path.basename(self.data_file) + ".log") out_err = os.path.join(log_dir, os.path.basename(self.data_file) + ".err") if remote: job_handling.remote_submission(self.conf, reduce_script_path, self.data_file, proposal_shared_dir, out_log, out_err) else: job_handling.local_submission(self.conf, reduce_script_path, self.data_file, proposal_shared_dir, out_log, out_err) # Determine error condition success, status_data = job_handling.determine_success_local(self.conf, out_err) self.data.update(status_data) if success: if os.path.isfile(out_err): os.remove(out_err) self.send('/queue/' + self.conf.reduction_complete, json.dumps(self.data)) else: self.send('/queue/' + self.conf.reduction_error, json.dumps(self.data)) except: logging.error("reduce: %s" % sys.exc_value) self.data["error"] = "Reduction: %s " % sys.exc_value self.send('/queue/' + self.conf.reduction_error , json.dumps(self.data)) def catalog_raw(self): """ Catalog a nexus file containing raw data """ self._process_data(self.data) try: from ingest_nexus import IngestNexus self.send('/queue/' + self.conf.catalog_started, json.dumps(self.data)) if self.conf.comm_only is False: ingestNexus = IngestNexus(self.data_file) ingestNexus.execute() ingestNexus.logout() self.send('/queue/' + self.conf.catalog_complete, json.dumps(self.data)) except: logging.error("catalog_raw: %s" % sys.exc_value) self.data["error"] = "Catalog: %s" % sys.exc_value self.send('/queue/' + self.conf.catalog_error, json.dumps(self.data)) def catalog_reduced(self): """ Catalog reduced data files for a given run """ self._process_data(self.data) try: from ingest_reduced import IngestReduced self.send('/queue/' + self.conf.reduction_catalog_started, json.dumps(self.data)) if self.conf.comm_only is False: # Send image to the web monitor if len(self.conf.web_monitor_url.strip()) > 0: monitor_user = {'username': self.conf.amq_user, 'password': self.conf.amq_pwd} proposal_shared_dir = os.path.join('/', self.facility, self.instrument, self.proposal, 'shared', 'autoreduce') url_template = string.Template(self.conf.web_monitor_url) url = url_template.substitute(instrument=self.instrument, run_number=self.run_number) pattern = self.instrument + "_" + self.run_number + "*" for dirpath, dirnames, filenames in os.walk(proposal_shared_dir): listing = glob.glob(os.path.join(dirpath, pattern)) for filepath in listing: f, e = os.path.splitext(filepath) if e.startswith(os.extsep): e = e[len(os.extsep):] if e == "png" or e == "jpg" or filepath.endswith("plot_data.dat") or filepath.endswith("plot_data.json"): files = {'file': open(filepath, 'rb')} # Post the file if it's small enough if len(files) != 0 and os.path.getsize(filepath) < self.conf.max_image_size: request = requests.post(url, data=monitor_user, files=files, verify=False) logging.info("Submitted %s [status: %s]" % (filepath, request.status_code)) ingestReduced = IngestReduced(self.facility, self.instrument, self.proposal, self.run_number) ingestReduced.execute() ingestReduced.logout() self.send('/queue/' + self.conf.reduction_catalog_complete , json.dumps(self.data)) except: logging.error("catalog_reduced: %s" % sys.exc_value) self.data["error"] = "Reduction catalog: %s" % sys.exc_value self.send('/queue/' + self.conf.reduction_catalog_error , json.dumps(self.data)) def create_reduction_script(self): """ Create a new reduction script from a template """ try: import reduction_script_writer writer = reduction_script_writer.ScriptWriter(self.data["instrument"]) writer.process_request(self.data, configuration=self.conf, send_function=self.send) except: logging.error("create_reduction_script: %s" % sys.exc_value) def send(self, destination, data): """ Send an AMQ message @param destination: AMQ queue to send to @param data: payload of the message """ logging.info("%s: %s" % (destination, data)) self.client.connect() self.client.send(destination, data) self.client.disconnect()
class StompClient(BaseComponent): """ Send and Receive messages from a STOMP queue """ channel = "stomp" def init(self, host, port, username=None, password=None, connect_timeout=3, connected_timeout=3, version=StompSpec.VERSION_1_2, accept_versions=["1.0", "1.1", "1.2"], heartbeats=(0, 0), ssl_context=None, use_ssl=True, key_file=None, cert_file=None, ca_certs=None, ssl_version=ssl.PROTOCOL_SSLv23, key_file_password=None, proxy_host=None, proxy_port=None, proxy_user=None, proxy_password=None, channel=channel): """ Initialize StompClient. Called after __init__ """ self.channel = channel if proxy_host: LOG.info("Connect to %s:%s through proxy %s:%d", host, port, proxy_host, proxy_port) else: LOG.info("Connect to %s:%s", host, port) if use_ssl and not ssl_context: ssl_params = dict(key_file=key_file, cert_file=cert_file, ca_certs=ca_certs, ssl_version=ssl_version, password=key_file_password) LOG.info("Request to use old-style socket wrapper: %s", ssl_params) ssl_context = ssl_params if use_ssl: uri = "ssl://%s:%s" % (host, port) else: uri = "tcp://%s:%s" % (host, port) # Configure failover options so it only tries to connect once self._stomp_server = "failover:(%s)?maxReconnectAttempts=1,startupMaxReconnectAttempts=1" % uri self._stomp_config = StompConfig(uri=self._stomp_server, sslContext=ssl_context, version=version, login=username, passcode=password) self._heartbeats = heartbeats self._accept_versions = accept_versions self._connect_timeout = connect_timeout self._connected_timeout = connected_timeout Stomp._transportFactory = EnhancedStompFrameTransport Stomp._transportFactory.proxy_host = proxy_host Stomp._transportFactory.proxy_port = proxy_port Stomp._transportFactory.proxy_user = proxy_user Stomp._transportFactory.proxy_password = proxy_password self._client = Stomp(self._stomp_config) self._subscribed = {} self.server_heartbeat = None self.client_heartbeat = None self.ALLOWANCE = 2 # multiplier for heartbeat timeouts @property def connected(self): if self._client.session: return self._client.session.state == StompSession.CONNECTED else: return False @property def subscribed(self): return self._subscribed.keys() @property def stomp_logger(self): return LOG_CATEGORY @handler("disconnect") def _disconnect(self, receipt=None): if self.connected: self._client.disconnect(receipt=receipt) self._client.close(flush=True) self.fire(disconnected(reconnect=False)) self._subscribed = {} return "disconnected" def start_heartbeats(self): LOG.info("Client HB: %s Server HB: %s", self._client.clientHeartBeat, self._client.serverHeartBeat) if self._client.clientHeartBeat: if self.client_heartbeat: # Timer already exists, just reset it self.client_heartbeat.reset() else: LOG.info("Client will send heartbeats to server") # Send heartbeats at 80% of agreed rate self.client_heartbeat = Timer((self._client.clientHeartBeat / 1000.0) * 0.8, client_heartbeat(), persist=True) self.client_heartbeat.register(self) else: LOG.info("No Client heartbeats will be sent") if self._client.serverHeartBeat: if self.server_heartbeat: # Timer already exists, just reset it self.server_heartbeat.reset() else: LOG.info("Requested heartbeats from server.") # Allow a grace period on server heartbeats self.server_heartbeat = Timer((self._client.serverHeartBeat / 1000.0) * self.ALLOWANCE, server_heartbeat(), persist=True) self.server_heartbeat.register(self) else: LOG.info("Expecting no heartbeats from Server") @handler("connect") def connect(self, event, host=None, *args, **kwargs): """ connect to Stomp server """ LOG.info("Connect to Stomp...") try: self._client.connect(heartBeats=self._heartbeats, host=host, versions=self._accept_versions, connectTimeout=self._connect_timeout, connectedTimeout=self._connected_timeout) LOG.info("State after Connection Attempt: %s", self._client.session.state) if self.connected: LOG.info("Connected to %s", self._stomp_server) self.fire(connected()) self.start_heartbeats() return "success" except StompConnectionError: LOG.debug(traceback.format_exc()) self.fire(connection_failed(self._stomp_server)) event.success = False return "fail" @handler("server_heartbeat") def check_server_heartbeat(self, event): """ Confirm that heartbeat from server hasn't timed out """ now = time.time() last = self._client.lastReceived or 0 if last: elapsed = now - last else: elapsed = -1 LOG.debug("Last received data %d seconds ago", elapsed) if ((self._client.serverHeartBeat / 1000.0) * self.ALLOWANCE + last) < now: LOG.error("Server heartbeat timeout. %d seconds since last heartbeat. Disconnecting.", elapsed) event.success = False self.fire(heartbeat_timeout()) if self.connected: self._client.disconnect() # TODO: Try to auto-reconnect? @handler("client_heartbeat") def send_heartbeat(self, event): if self.connected: LOG.debug("Sending heartbeat") try: self._client.beat() except StompConnectionError: event.success = False self.fire(disconnected()) @handler("generate_events") def generate_events(self, event): if not self.connected: return try: if self._client.canRead(1): frame = self._client.receiveFrame() LOG.debug("Recieved frame %s", frame) self.fire(message(frame)) except StompConnectionError: self.fire(disconnected()) @handler("send") def send(self, event, destination, body, headers=None, receipt=None): LOG.debug("send()") if not self.connected: LOG.error("Can't send when Stomp is disconnected") self.fire(on_stomp_error(None, Exception("Message send attempted with stomp disconnected"))) event.success = False return try: self._client.send(destination, body=body.encode('utf-8'), headers=headers, receipt=receipt) LOG.debug("Message sent") except StompConnectionError as err: event.success = False self.fire(disconnected()) except StompError as err: LOG.error("Error sending ack") event.success = False self.fire(on_stomp_error(None, err)) @handler("subscribe") def _subscribe(self, event, destination, ack=ACK_CLIENT_INDIVIDUAL): if ack not in ACK_MODES: raise ValueError("Invalid client ack mode specified") LOG.info("Subscribe to message destination %s", destination) try: # Set ID to match destination name for easy reference later frame, token = self._client.subscribe(destination, headers={StompSpec.ACK_HEADER: ack, 'id': destination}) self._subscribed[destination] = token except StompConnectionError as err: event.success = False self.fire(disconnected()) except StompError as err: event.success = False LOG.debug(traceback.format_exc()) self.fire(on_stomp_error(None, err)) @handler("unsubscribe") def _unsubscribe(self, event, destination): if destination not in self._subscribed: LOG.error("Unsubscribe Request Ignored. Not subscribed to %s", destination) return try: token = self._subscribed.pop(destination) frame = self._client.unsubscribe(token) LOG.debug("Unsubscribed: %s", frame) except StompConnectionError as err: event.success = False self.fire(disconnected()) except StompError as err: LOG.error("Error sending ack") event.success = False self.fire(on_stomp_error(frame, err)) @handler("message") def on_message(self, event, headers, message): LOG.info("Stomp message received") @handler("ack") def ack_frame(self, event, frame): LOG.debug("ack_frame()") try: self._client.ack(frame) LOG.debug("Ack Sent") except StompConnectionError as err: LOG.error("Error sending ack") event.success = False self.fire(disconnected()) except StompError as err: LOG.error("Error sending ack") event.success = False self.fire(on_stomp_error(frame, err)) def get_subscription(self, frame): """ Get subscription from frame """ LOG.info(self._subscribed) _, token = self._client.message(frame) return self._subscribed[token]
from stompest.config import StompConfig from stompest.protocol import StompSpec from stompest.sync import Stomp CONFIG = StompConfig('tcp://localhost:61613', version=StompSpec.VERSION_1_1) QUEUE = '/queue/test' if __name__ == '__main__': client = Stomp(CONFIG) client.connect(heartBeats=(0, 10000)) client.subscribe(QUEUE, {StompSpec.ID_HEADER: 1, StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL}) client.send(QUEUE, 'test message 1') client.send(QUEUE, 'test message 2') while True: frame = client.receiveFrame() print 'Got %s' % frame.info() client.ack(frame) client.disconnect()
class Client(object): def __init__(self): self.stompest = None self.greenlet = None self.subscriptions = {} self._last_id = 0 def _next_id(self): self._last_id += 1 return self._last_id def connect(self): if not self.stompest: CONFIG, EXTRA = _get_config() self._hostname = EXTRA.get('hostname', None) self.stompest = Stomp(CONFIG) if self.stompest.session.state != StompSession.DISCONNECTED: return while True: try: self.stompest.connect(host=self._hostname) logger.info('Connected') break except StompConnectTimeout: continue if not self.greenlet: self.greenlet = gevent.spawn(self._run) def _run(self): while True: try: frame = self.stompest.receiveFrame() self.stompest.ack(frame) if frame.command == 'ERROR': logger.error(frame.info()) elif frame.command == 'MESSAGE': token = self.stompest.message(frame) if self.subscriptions.get(token): subscription = self.subscriptions[token] subscription.call(frame) else: logger.error("Received a message for %s (%s) but there was no matching subscription." % (frame.headers.get(StompSpec.DESTINATION_HEADER, '???'), token)) else: logger.warning("Unknown frame: %s" % frame.info()) # @todo Handle receipts except (gevent.GreenletExit, KeyboardInterrupt): # @todo Include a receipt in the disconnect. And instead of breaking right away wait for the # receipt frame before disconnecting and consider waiting on any greenlets we started. self.stompest.disconnect() break except StompConnectionError: # We've been disconnected from the server. Try reconnecting to it. self.connect() def on(self, destination, callback): self.connect() token = self.stompest.subscribe(destination, { StompSpec.ACK_HEADER: StompSpec.ACK_CLIENT_INDIVIDUAL, StompSpec.ID_HEADER: self._next_id(), }) subscription = Subscription( conn=self, destination=destination, token=token, callback=callback ) self.subscriptions[subscription.token] = subscription; # @todo consider adding optional support for additional custom headers def send(self, cmd, destination): self.connect() body = json.dumps(cmd) headers = {} headers[StompSpec.CONTENT_TYPE_HEADER] = 'application/json;charset=UTF-8' self.stompest.send(destination, body, headers) def join(self): try: self.connect() except (gevent.GreenletExit, KeyboardInterrupt): return try: gevent.joinall([self.greenlet]) except KeyboardInterrupt: self.greenlet.kill(block=True)