def connect(self):
with self.lock:
if self.is_connected:
return
self._disconnecting = False
conn_name = '%s(%s)' % (self.host, self.port)
logger.info('Connecting to queue manager:`%s`, channel:`%s`'
', connection info:`%s`' %
(self.queue_manager, self.channel, conn_name))
self.mgr = self.mq.QueueManager(None)
kwargs = {}
cd = self.mq.cd()
cd.ChannelName = self.channel
cd.ConnectionName = conn_name.encode('utf8')
cd.ChannelType = self.CMQC.MQCHT_CLNTCONN
cd.TransportType = self.CMQC.MQXPT_TCP
if self.ssl:
if not (self.ssl_cipher_spec and self.ssl_key_repository):
msg = 'SSL support requires setting both ssl_cipher_spec and ssl_key_repository'
logger.error(msg)
raise BaseException(msg)
kwargs['sco'] = self.mq.sco()
kwargs['sco'].KeyRepository = self.ssl_key_repository
cd.SSLCipherSpec = self.ssl_cipher_spec
if self.use_shared_connections:
connect_options = self.CMQC.MQCNO_HANDLE_SHARE_BLOCK
else:
connect_options = self.CMQC.MQCNO_HANDLE_SHARE_NONE
try:
self.mgr.connect_with_options(self.queue_manager,
cd=cd,
opts=connect_options,
user=self.username,
password=self.password,
**kwargs)
except self.mq.MQMIError as e:
exc = WebSphereMQException(e, e.comp, e.reason)
raise exc
else:
self.is_connected = True
logger.info(
'Successfully connected to queue manager:`%s`, channel:`%s`, connection info:`%s`'
% (self.queue_manager, self.channel, conn_name))
def receive(self,
destination,
wait_interval,
_connection_closing='zato.connection.closing'):
if self._disconnecting:
logger.info('Connection factory disconnecting, aborting receive')
return _connection_closing
else:
if self.has_debug:
logger.debug('receive -> not disconnecting')
if not self.is_connected:
if self.has_debug:
logger.debug('receive -> _is_connected1 %s' %
self.is_connected)
self.connect()
if self.has_debug:
logger.debug('receive -> _is_connected2 %s' %
self.is_connected)
queue = self.get_queue_for_receiving(destination)
try:
# Default message descriptor ..
md = self.mq.md()
# .. and custom get message options
gmo = self.mq.gmo()
gmo.Options = self.CMQC.MQGMO_WAIT | self.CMQC.MQGMO_FAIL_IF_QUIESCING
gmo.WaitInterval = wait_interval
message = queue.get(None, md, gmo)
return self._build_text_message(md, message)
except self.mq.MQMIError, e:
if e.reason == self.CMQC.MQRC_NO_MSG_AVAILABLE:
text = 'No message available for destination:`%s`, wait_interval:`%s` ms' % (
destination, wait_interval)
raise NoMessageAvailableException(text)
else:
logger.debug(
'Exception caught in get, comp:`%s`, reason:`%s`' %
(e.comp, e.reason))
exc = WebSphereMQException(e, e.comp, e.reason)
raise exc
def send(self, message, destination):
if self._disconnecting:
logger.info('Connection factory disconnecting, aborting receive')
return
else:
if self.has_debug:
logger.debug('send -> not disconnecting')
if not self.is_connected:
if self.has_debug:
logger.debug('send -> _is_connected1 %s' % self.is_connected)
self.connect()
if self.has_debug:
logger.debug('send -> _is_connected2 %s' % self.is_connected)
destination = self._strip_prefixes_from_destination(destination)
# Will consist of an MQRFH2 header and the actual business payload.
buff = StringIO()
# Build the message descriptor (MQMD)
md = self._build_md(message)
now = long(time() * 1000)
# Create MQRFH2 header, if requested to
if self.needs_jms:
mqrfh2jms = MQRFH2JMS(self.needs_mcd, self.has_debug).build_header(
message, destination, self.CMQC, now)
buff.write(mqrfh2jms)
if message.text is not None:
buff.write(message.text.encode('utf-8'))
body = buff.getvalue()
buff.close()
queue = self.get_queue_for_sending(destination)
try:
queue.put(body, md)
except self.mq.MQMIError, e:
logger.error('MQMIError in queue.put, comp:`%s`, reason:`%s`' %
(e.comp, e.reason))
exc = WebSphereMQException(e, e.comp, e.reason)
raise exc
def _build_text_message(self, md, message):
if self.has_debug:
logger.debug('Building a text message:`%r`, md:`%r`' % (repr(message), repr(md)))
class_ = MQRFH2JMS if self.needs_jms else DummyMQRFH2JMS
mqrfh2 = class_(self.needs_mcd)
mqrfh2.build_folders_and_payload_from_message(message)
jms_folder = mqrfh2.folders.get('jms', None)
usr_folder = mqrfh2.folders.get('usr', None)
# Create a message instance ..
text_message = TextMessage()
text_message.mqmd = md
if usr_folder:
for attr_name, attr_value in usr_folder.items():
setattr(text_message, attr_name, str(attr_value))
# .. set its JMS properties ..
if jms_folder:
if jms_folder.find('Dst') is not None:
text_message.jms_destination = jms_folder.find('Dst').text.strip()
if jms_folder.find('Exp') is not None:
text_message.jms_expiration = long(jms_folder.find('Exp').text)
else:
text_message.jms_expiration = 0 # Same as in Java
if jms_folder.find('Cid') is not None:
text_message.jms_correlation_id = jms_folder.find('Cid').text
else:
text_message.jms_correlation_id = getattr(md, 'CorrelId', None)
if md.Persistence == self.CMQC.MQPER_NOT_PERSISTENT:
text_message.jms_delivery_mode = DELIVERY_MODE_NON_PERSISTENT
elif md.Persistence in(self.CMQC.MQPER_PERSISTENT, self.CMQC.MQPER_PERSISTENCE_AS_Q_DEF):
text_message.jms_delivery_mode = DELIVERY_MODE_PERSISTENT
else:
text = "Don't know how to handle md.Persistence mode:`%s`" % (md.Persistence)
logger.error(text)
exc = WebSphereMQException(text)
raise exc
if md.ReplyToQ.strip():
if self.has_debug:
logger.debug('Found md.ReplyToQ:`%r`' % md.ReplyToQ)
text_message.jms_reply_to = 'queue://' + md.ReplyToQMgr.strip() + '/' + md.ReplyToQ.strip()
text_message.jms_priority = md.Priority
text_message.jms_message_id = md.MsgId
text_message.put_date = md.PutDate.strip()
text_message.put_time = md.PutTime.strip()
text_message.jms_redelivered = bool(int(md.BackoutCount))
text_message.JMSXUserID = md.UserIdentifier.strip()
text_message.JMSXAppID = md.PutApplName.strip()
text_message.JMSXDeliveryCount = md.BackoutCount
text_message.JMSXGroupID = md.GroupId.strip()
text_message.JMSXGroupSeq = md.MsgSeqNumber
md_report_to_jms = {
self.CMQC.MQRO_EXCEPTION: 'Exception',
self.CMQC.MQRO_EXPIRATION: 'Expiration',
self.CMQC.MQRO_COA: 'COA',
self.CMQC.MQRO_COD: 'COD',
self.CMQC.MQRO_PAN: 'PAN',
self.CMQC.MQRO_NAN: 'NAN',
self.CMQC.MQRO_PASS_MSG_ID: 'Pass_Msg_ID',
self.CMQC.MQRO_PASS_CORREL_ID: 'Pass_Correl_ID',
self.CMQC.MQRO_DISCARD_MSG: 'Discard_Msg',
}
for report_name, jms_header_name in iteritems(md_report_to_jms):
report_value = md.Report & report_name
if report_value:
header_value = report_value
else:
header_value = None
setattr(text_message, 'JMS_IBM_Report_' + jms_header_name, header_value)
text_message.JMS_IBM_MsgType = md.MsgType
text_message.JMS_IBM_Feedback = md.Feedback
text_message.JMS_IBM_Format = md.Format.strip()
text_message.JMS_IBM_PutApplType = md.PutApplType
text_message.JMS_IBM_PutDate = md.PutDate.strip()
text_message.JMS_IBM_PutTime = md.PutTime.strip()
if md.MsgFlags & self.CMQC.MQMF_LAST_MSG_IN_GROUP:
text_message.JMS_IBM_Last_Msg_In_Group = self.CMQC.MQMF_LAST_MSG_IN_GROUP
else:
text_message.JMS_IBM_Last_Msg_In_Group = None
# .. and its payload too.
if mqrfh2.payload:
text_message.text = mqrfh2.payload.decode('utf-8', 'replace')
return text_message
def send(self, message, destination):
if self._disconnecting:
logger.info('Connection factory disconnecting, aborting receive')
return
else:
if self.has_debug:
logger.debug('send -> not disconnecting')
if not self.is_connected:
if self.has_debug:
logger.debug('send -> _is_connected1 %s' % self.is_connected)
self.connect()
if self.has_debug:
logger.debug('send -> _is_connected2 %s' % self.is_connected)
if not isinstance(destination, unicode):
destination = destination.decode('utf8')
destination = self._strip_prefixes_from_destination(destination)
destination = destination.encode('utf8')
# Will consist of an MQRFH2 header and the actual business payload.
buff = BytesIO()
# Build the message descriptor (MQMD)
md = self._build_md(message)
now = long(time() * 1000)
# Create MQRFH2 header, if requested to
if self.needs_jms:
mqrfh2jms = MQRFH2JMS(self.needs_mcd, self.has_debug).build_header(message, destination, self.CMQC, now)
buff.write(mqrfh2jms)
if message.text is not None:
buff.write(message.text.encode('utf8') if isinstance(message.text, unicode) else message.text)
body = buff.getvalue()
buff.close()
queue = self.get_queue_for_sending(destination)
#raise Exception('QQQ {}'.format(repr(md)))
try:
queue.put(body, md)
except self.mq.MQMIError as e:
logger.error('MQMIError in queue.put, comp:`%s`, reason:`%s`' % (e.comp, e.reason))
exc = WebSphereMQException(e, e.comp, e.reason)
raise exc
if not self.cache_open_send_queues:
queue.close()
# Map the JMS headers overwritten by calling queue.put
message.jms_message_id = md.MsgId
message.jms_priority = md.Priority
message.jms_correlation_id = md.CorrelId
message.JMSXUserID = md.UserIdentifier
message.JMSXAppID = md.PutApplName
if md.PutDate and md.PutTime:
message.jms_timestamp = self._get_jms_timestamp_from_md(md.PutDate.strip(), md.PutTime.strip())
message.JMS_IBM_PutDate = md.PutDate.strip()
message.JMS_IBM_PutTime = md.PutTime.strip()
else:
logger.warn('No md.PutDate and md.PutTime found, md:`%r`' % repr(md))
# queue.put has succeeded, so overwrite expiration time as well
if message.jms_expiration:
message.jms_expiration += now
if self.has_debug:
logger.debug('Successfully sent a message `%s`, connection info `%s`' % (message, self.get_connection_info()))
logger.debug('message:`%s`, body:`%r`, md:`%r`' % (message, body, repr(md)))
