def test_conv_repo(self):
dsm = DatastoreManager()
ds = dsm.get_datastore("conversations")
ds.delete_datastore()
ds.create_datastore()
conv_repo = ConvRepository(dsm)
conv1 = ConversationMessage(sender='sender', recipient='receiver', conversation_id='1', protocol='rpc', headers={'nofield':'novalue'})
conv_id, _ = conv_repo.put_conv(conv1)
conv1r = conv_repo.conv_store.read(conv_id)
self.assertEquals(conv1.sender, conv1r.sender)
def on_start(self):
# Persister thread
self._persist_greenlet = spawn(self._trigger_func,
self.persist_interval)
log.debug('Publisher Greenlet started in "%s"' %
self.__class__.__name__)
# Conv subscription to as many as it takes
self.conv_sub = ConvSubscriber(callback=self._on_message)
self.conv_sub.start()
# Open repository
self.conv_repository = ConvRepository()
def on_start(self):
# Persister thread
self._persist_greenlet = spawn(self._trigger_func, self.persist_interval)
log.debug('Publisher Greenlet started in "%s"' % self.__class__.__name__)
# Conv subscription to as many as it takes
self.conv_sub = ConvSubscriber(callback=self._on_message)
self.conv_sub.start()
# Open repository
self.conv_repository = ConvRepository()
class ConversationPersister(StandaloneProcess):
def on_init(self):
#get the fields from the header that need to be logged
self.header_fields = CFG.get_safe('container.messaging.conversation_log.header_fields', [])
# Time in between event persists
self.persist_interval = 1.0
# Holds received events FIFO
self.conv_queue = Queue()
# Temporarily holds list of events to persist while datastore operation not yet completed
self.convs_to_persist = None
# bookkeeping for timeout greenlet
self._persist_greenlet = None
self._terminate_persist = Event() # when set, exits the timeout greenlet
# The event subscriber
self.conv_sub = None
# The conv repository
self.conv_repository = None
def on_start(self):
# Persister thread
self._persist_greenlet = spawn(self._trigger_func, self.persist_interval)
log.debug('Publisher Greenlet started in "%s"' % self.__class__.__name__)
# Conv subscription to as many as it takes
self.conv_sub = ConvSubscriber(callback=self._on_message)
self.conv_sub.start()
# Open repository
self.conv_repository = ConvRepository()
def on_quit(self):
# Stop event subscriber
self.conv_sub.stop()
# tell the trigger greenlet we're done
self._terminate_persist.set()
# wait on the greenlet to finish cleanly
self._persist_greenlet.join(timeout=10)
# Close the repository
self.conv_repository.close()
def _on_message(self, msg, *args, **kwargs):
conv = {}
unknown = 'unknown'
conv['sender'] = args[0].get('sender', unknown)
conv['recipient'] = args[0].get('receiver', unknown)
conv['conversation_id'] = args[0].get('conv-id', unknown)
conv['protocol'] = args[0].get('protocol', unknown)
if (len(self.header_fields) == 0):
conv['headers'] = args[0]
else:
conv['headers'] = {}
for key in self.header_fields:
conv['headers'][key] = args[0].get([key], unknown)
conv_msg = bootstrap.IonObject("ConversationMessage", conv)
self.conv_queue.put(conv_msg)
def _trigger_func(self, persist_interval):
log.debug('Starting conv persister thread with persist_interval=%s', persist_interval)
# Event.wait returns False on timeout (and True when set in on_quit),
# so we use this to both exit cleanly and do our timeout in a loop
while not self._terminate_persist.wait(timeout=persist_interval):
try:
self.convs_to_persist = [self.conv_queue.get() for x in xrange(self.conv_queue.qsize())]
self._persist_convs(self.convs_to_persist)
self.convs_to_persist = None
except Exception as ex:
log.exception("Failed to persist received conversations")
return False
def _persist_convs(self, conv_list):
if conv_list:
self.conv_repository.put_convs(conv_list)
class ConversationPersister(StandaloneProcess):
def on_init(self):
#get the fields from the header that need to be logged
self.header_fields = CFG.get_safe(
'container.messaging.conversation_log.header_fields', [])
# Time in between event persists
self.persist_interval = 1.0
# Holds received events FIFO
self.conv_queue = Queue()
# Temporarily holds list of events to persist while datastore operation not yet completed
self.convs_to_persist = None
# bookkeeping for timeout greenlet
self._persist_greenlet = None
self._terminate_persist = Event(
) # when set, exits the timeout greenlet
# The event subscriber
self.conv_sub = None
# The conv repository
self.conv_repository = None
def on_start(self):
# Persister thread
self._persist_greenlet = spawn(self._trigger_func,
self.persist_interval)
log.debug('Publisher Greenlet started in "%s"' %
self.__class__.__name__)
# Conv subscription to as many as it takes
self.conv_sub = ConvSubscriber(callback=self._on_message)
self.conv_sub.start()
# Open repository
self.conv_repository = ConvRepository()
def on_quit(self):
# Stop event subscriber
self.conv_sub.stop()
# tell the trigger greenlet we're done
self._terminate_persist.set()
# wait on the greenlet to finish cleanly
self._persist_greenlet.join(timeout=10)
# Close the repository
self.conv_repository.close()
def _on_message(self, msg, *args, **kwargs):
conv = {}
unknown = 'unknown'
conv['sender'] = args[0].get('sender', unknown)
conv['recipient'] = args[0].get('receiver', unknown)
conv['conversation_id'] = args[0].get('conv-id', unknown)
conv['protocol'] = args[0].get('protocol', unknown)
if (len(self.header_fields) == 0):
conv['headers'] = args[0]
else:
conv['headers'] = {}
for key in self.header_fields:
conv['headers'][key] = args[0].get([key], unknown)
conv_msg = bootstrap.IonObject("ConversationMessage", conv)
self.conv_queue.put(conv_msg)
def _trigger_func(self, persist_interval):
log.debug('Starting conv persister thread with persist_interval=%s',
persist_interval)
# Event.wait returns False on timeout (and True when set in on_quit),
# so we use this to both exit cleanly and do our timeout in a loop
while not self._terminate_persist.wait(timeout=persist_interval):
try:
self.convs_to_persist = [
self.conv_queue.get()
for x in xrange(self.conv_queue.qsize())
]
self._persist_convs(self.convs_to_persist)
self.convs_to_persist = None
except Exception as ex:
log.exception("Failed to persist received conversations")
return False
def _persist_convs(self, conv_list):
if conv_list:
self.conv_repository.put_convs(conv_list)
