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from __future__ import absolute_import, print_function
from amqp import promise
from kombu import Connection, Exchange, Queue, Consumer, Producer
from kombu.async import Hub
N = 10000
TEST_QUEUE = Queue('test3', Exchange('test3'))
program_finished = promise()
first_message_sent_at = [0]
class Producing(object):
def __init__(self, loop, connection):
self.loop = loop
self.connection = connection
self.producer = None
def start(self):
self.connection.register_with_event_loop(self.loop)
self.producer = Producer(self.connection, auto_declare=False)
for i in range(N):
self.producer.publish(
{'hello': i},
exchange=TEST_QUEUE.exchange,
routing_key=TEST_QUEUE.routing_key,
declare=[TEST_QUEUE],
callback=self.on_message_sent,
)
def on_message_sent(self, delivery_tag):
print('>>> message sent: {0:4d}/{1}'.format(delivery_tag, N))
class Consuming(object):
def __init__(self, loop, connection):
self.loop = loop
self.connection = connection
self.consumer = None
def start(self):
self.connection.register_with_event_loop(self.loop)
self.consumer = Consumer(
self.connection, [TEST_QUEUE],
on_message=self.on_message, prefetch_count=10,
)
def stop(self):
return self.consumer.stop(callback=program_finished,
close_channel=True)
def on_acknowledged(self, message):
if message.delivery_tag >= N:
self.stop()
def on_message(self, message):
print('<<< message received: {0:4d}/{1}'.format(
message.delivery_tag, N,
))
message.ack(callback=self.on_acknowledged)
if __name__ == '__main__':
loop = Hub()
connection = Connection('pyamqp://')
producer = Producing(loop, connection.clone())
producer.start()
consumer = Consuming(loop, connection.clone())
consumer.start()
while not program_finished.ready:
loop.run_once()
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