rabbitmq_有选择发送接收_消息过滤

生产者_procedure_send_有选择的发消息

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importpika
importsys

connection = pika.BlockingConnection(pika.ConnectionParameters(
   host='localhost'))
channel = connection.channel()

channel.exchange_declare(exchange='direct_logs',
                        exchange_type='direct')

severity = sys.argv[1]iflen(sys.argv) >1else'info'
message =' '.join(sys.argv[2:])or'Hello World!'
channel.basic_publish(exchange='direct_logs',
                     routing_key=severity,
                     body=message)
print(" [x] Sent %r:%r"% (severity, message))
connection.close()

 

消费者_consumer_recive_有选择的接收消息
importpika
importsys

connection = pika.BlockingConnection(pika.ConnectionParameters(
   host='localhost'))
channel = connection.channel()

channel.exchange_declare(exchange='direct_logs',
                        exchange_type='direct')

result = channel.queue_declare(exclusive=True)
queue_name = result.method.queue

severities = sys.argv[1:]
if notseverities:
    sys.stderr.write("Usage: %s [info] [warning] [error]"% sys.argv[0])
    sys.exit(1)

print(severities)
forseverityinseverities:
    channel.queue_bind(exchange='direct_logs',
                      queue=queue_name,
                      routing_key=severity)

print(' [*] Waiting for logs. To exit press CTRL+C')

defcallback(ch, method,properties, body):
   print(" [x] %r:%r"% (method.routing_key, body))

channel.basic_consume(callback,
                     queue=queue_name,
                     no_ack=True)

channel.start_consuming()

 

生产者_procedure_send_更详细的的过滤发送
importpika
importsys

connection = pika.BlockingConnection(pika.ConnectionParameters(
   host='localhost'))
channel = connection.channel()

channel.exchange_declare(exchange='topic_logs',
                         exchange_type='topic')

routing_key = sys.argv[1]iflen(sys.argv) >1else'anonymous.info'
message =' '.join(sys.argv[2:])or'Hello World!'
channel.basic_publish(exchange='topic_logs',
                     routing_key=routing_key,
                      body=message)
print(" [x] Sent %r:%r"% (routing_key, message))
connection.close()

 

消费者_consumer_recive更详细的过滤接收
importpika
importsys

connection = pika.BlockingConnection(pika.ConnectionParameters(
   host='localhost'))
channel = connection.channel()

channel.exchange_declare(exchange='topic_logs',
                        exchange_type='topic')

result = channel.queue_declare(exclusive=True)
queue_name = result.method.queue

binding_keys = sys.argv[1:]
if notbinding_keys:
    sys.stderr.write("Usage: %s [binding_key]..."% sys.argv[0])
    sys.exit(1)

forbinding_keyinbinding_keys:
    channel.queue_bind(exchange='topic_logs',
                      queue=queue_name,
                      routing_key=binding_key)

print(' [*] Waiting for logs. To exit press CTRL+C')


defcallback(ch, method,properties, body):
   print(" [x] %r:%r"% (method.routing_key, body))


channel.basic_consume(callback,
                     queue=queue_name,
                     no_ack=True)

channel.start_consuming()

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