
Apparently stop_consuming() does basic.cancel. Which is completely not what we want. Instead of using start/stop consuming, let's just do the busy loop by ourselves.
41 lines
1.4 KiB
Python
Executable File
41 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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import pika
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import uuid
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class FibonacciRpcClient(object):
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def __init__(self):
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self.connection = pika.BlockingConnection(pika.ConnectionParameters(
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host='localhost'))
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self.channel = self.connection.channel()
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result = self.channel.queue_declare(exclusive=True)
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self.callback_queue = result.method.queue
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self.channel.basic_consume(self.on_response, no_ack=True,
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queue=self.callback_queue)
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def on_response(self, ch, method, props, body):
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if self.corr_id == props.correlation_id:
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self.response = body
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def call(self, n):
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self.response = None
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self.corr_id = str(uuid.uuid4())
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self.channel.basic_publish(exchange='',
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routing_key='rpc_queue',
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properties=pika.BasicProperties(
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reply_to = self.callback_queue,
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correlation_id = self.corr_id,
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),
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body=str(n))
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while self.response is None:
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self.connection.process_data_events()
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return int(self.response)
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fibonacci_rpc = FibonacciRpcClient()
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print " [x] Requesting fib(30)"
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response = fibonacci_rpc.call(30)
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print " [.] Got %r" % (response,)
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