rabbitmq消息组播 | 易学教程

import pika
import sys
credentials = pika.PlainCredentials('alex', 'alex123')
connection = pika.BlockingConnection(pika.ConnectionParameters(
    '192.168.14.52',credentials=credentials))
channel = connection.channel()

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

severity = sys.argv[1] if len(sys.argv) > 1 else 'info' #严重程度,级别

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()

direct_send.py

import pika
import sys

credentials = pika.PlainCredentials('alex', 'alex123')
connection = pika.BlockingConnection(pika.ConnectionParameters(
    '192.168.14.52',credentials=credentials))
channel = connection.channel()

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

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



severities = sys.argv[1:]
if not severities:
    sys.stderr.write("Usage: %s [info] [warning] [error]\n" % sys.argv[0])
    sys.exit(1)

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

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


def callback(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()

direct_receive.py

import pika
import sys

credentials = pika.PlainCredentials('alex', 'alex123')
connection = pika.BlockingConnection(pika.ConnectionParameters(
    '192.168.14.52',credentials=credentials))
channel = connection.channel()


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

routing_key = sys.argv[1] if len(sys.argv) > 1 else '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()

topic_send.py

import pika
import sys

credentials = pika.PlainCredentials('alex', 'alex123')
connection = pika.BlockingConnection(pika.ConnectionParameters(
    '192.168.14.52',credentials=credentials))
channel = connection.channel()


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

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

binding_keys = sys.argv[1:]
if not binding_keys:
    sys.stderr.write("Usage: %s [binding_key]...\n" % sys.argv[0])
    sys.exit(1)

for binding_key in binding_keys:
    channel.queue_bind(exchange='topic_logs',
                       queue=queue_name,
                       routing_key=binding_key)

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


def callback(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()

topic_receive.py

来源：https://www.cnblogs.com/jintian/p/11370962.html

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RabbitMQ

组播

pika

exchange