def on_kernels_message(self, body, message):
print("notify: RECEIVED KERNELS MSG - body: %r" % (body, ))
print("notify: RECEIVED KERNELS MSG - message: %r" % (message, ))
message.ack()
try:
respTarget = body['Source']
respQueue = body['RespQueue']
method = body['Method']
args = body['args']
# create the response connection
resp_connection = BrokerConnection(respTarget)
resp_queue = resp_connection.SimpleQueue(respQueue,
queue_opts={
'durable': False,
'auto_delete': True
},
exchange_opts={
'delivery_mode': 1,
'auto_delete': True,
'durable': False
})
payload = {"Result": DispatchKernels(method, args)}
resp_queue.put(payload, serializer='json')
resp_queue.close()
except:
print "Exception caught : %s" % sys.exc_info()[0]
return
def wait_many(timeout=1):
#: Create connection
#: If hostname, userid, password and virtual_host is not specified
#: the values below are the default, but listed here so it can
#: be easily changed.
connection = BrokerConnection("amqp://*****:*****@localhost:5672//")
#: SimpleQueue mimics the interface of the Python Queue module.
#: First argument can either be a queue name or a kombu.Queue object.
#: If a name, then the queue will be declared with the name as the queue
#: name, exchange name and routing key.
queue = connection.SimpleQueue("kombu_demo")
while True:
try:
message = queue.get(block=False, timeout=timeout)
except Empty:
break
else:
spawn(message.ack)
print(message.payload)
queue.close()
connection.close()
def send_many(n):
#: Create connection
#: If hostname, userid, password and virtual_host is not specified
#: the values below are the default, but listed here so it can
#: be easily changed.
connection = BrokerConnection(hostname="localhost",
userid="guest",
password="******",
virtual_host="/")
#: SimpleQueue mimics the interface of the Python Queue module.
#: First argument can either be a queue name or a kombu.Queue object.
#: If a name, then the queue will be declared with the name as the queue
#: name, exchange name and routing key.
queue = connection.SimpleQueue("kombu_demo")
def send_message(i):
queue.put({"hello": "world%s" % (i, )})
pool = eventlet.GreenPool(10)
for i in xrange(n):
pool.spawn(send_message, i)
pool.waitall()
def CallServer(self, method, args=None):
try:
LOG.debug(_("strBroker : %s "), self._strBroker)
connection = BrokerConnection(self._strBroker)
# create the response channel
respQueueName = self._respQueueName + str(uuid())
respconnection = BrokerConnection(self._strBroker)
respQueue = respconnection.SimpleQueue(respQueueName,
queue_opts={
'durable': False,
'auto_delete': True
},
exchange_opts={
'delivery_mode': 1,
'auto_delete': True,
'durable': False
})
with producers[connection].acquire(block=True) as producer:
maybe_declare(task_exchange, producer.channel)
payload = {
"RespQueue": respQueueName,
"Source": self._strBroker,
'Method': method,
'args': args
}
producer.publish(payload,
exchange=self._exchange,
serializer="json",
routing_key=self._routing_key)
# wait for the response
resp_message = respQueue.get(block=True, timeout=1)
resp_message.ack()
respQueue.close()
#respQueue.delete()
except:
LOG.debug(_("Exception caught : %s"), sys.exc_info()[0])
raise OpenCLClientException.OpenCLClientException(
"OpenCL Interface Exception")
if type(resp_message.payload['Result']).__name__ in ('list', 'tuple'):
nElems = len(resp_message.payload['Result'])
if resp_message.payload['Result'][nElems - 1] == -128:
raise OpenCLClientException.OpenCLClientException(
"OpenCL Interface Exception")
elif type(resp_message.payload['Result']).__name__ == 'int':
if resp_message.payload['Result'] == -128:
raise OpenCLClientException.OpenCLClientException(
"OpenCL Interface Exception")
else:
raise OpenCLClientException.OpenCLClientException(
"OpenCL Interface Exception")
return resp_message.payload['Result']
"""
Example receiving a message using the SimpleQueue interface.
"""
from kombu import BrokerConnection
#: Create connection
#: If hostname, userid, password and virtual_host is not specified
#: the values below are the default, but listed here so it can
#: be easily changed.
connection = BrokerConnection(hostname="localhost",
userid="guest",
password="******",
virtual_host="/")
#: SimpleQueue mimics the interface of the Python Queue module.
#: First argument can either be a queue name or a kombu.Queue object.
#: If a name, then the queue will be declared with the name as the queue
#: name, exchange name and routing key.
queue = connection.SimpleQueue("kombu_demo")
message = queue.get(block=True, timeout=10)
message.ack()
print(message.payload)
from kombu import BrokerConnection
from Queue import Empty
connection = BrokerConnection("amqp://*****:*****@localhost:5672//")
queue = connection.SimpleQueue("logs")
while 1:
try:
message = queue.get(block=True, timeout=1)
print message.payload
message.ack()
except Empty:
pass
print message
queue.close()
