47 lines
1.3 KiB
Python
Executable File
47 lines
1.3 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(
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pika.ConnectionParameters(host='localhost'))
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self.channel = self.connection.channel()
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result = self.channel.queue_declare(queue='', exclusive=True)
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self.callback_queue = result.method.queue
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self.channel.basic_consume(
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queue=self.callback_queue,
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on_message_callback=self.on_response,
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auto_ack=True)
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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(
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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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