direct_client:廣播接收

 1 #!/usr/bin/env python
 2 
 3 #_*_coding:utf-8_*_
 4 
 5 import pika,time,sys
 6 
 7 connection = pika.BlockingConnection(pika.ConnectionParameters(
 8                ‘localhost‘))
 9 channel = connection.channel()
10 
11 channel.exchange_declare(exchange=‘direct_logs‘,#定義一個接收的頻道
12
 
                          type=‘direct‘)
13 
14 reult=channel.queue_declare(exclusive=True)#隨機生成唯一的隊列名，會在消息接收後自動刪除
15 queuename=reult.method.queue#隊列名 自動生成
16 
17 
18 severities = sys.argv[1:]
19 if not severities:
20     sys.stderr.write("Usage: %s [info] [warning] [error]\n" % sys.argv[0])#啟動接收的消息級別
 

21     sys.exit(1)
22 
23 for severity in severities:#循環接收各級別的消息
24     channel.queue_bind(exchange=‘direct_logs‘,
25                        queue=queuename,
26                        routing_key=severity)
27 
28 def callback(ch, method, properties, body):#回調函數
29     print(‘接收消息中…………‘)
30     #time.sleep(5)
 

31     print(" [x] Received %r" % body.decode())
32     ch.basic_ack(delivery_tag=method.delivery_tag)
33 
34 
35 channel.basic_qos(prefetch_count=1)#同時只處理一個消息
36 channel.basic_consume(callback,#接收到消息調用回調函數 callback
37                       queue=queuename,
38                       #no_ack=True
39                        )
40 
41 print(‘ [*] 接收消息中. To exit press CTRL+C‘)
42 
43 channel.start_consuming()#啟動消息接收

rabbitmq_server_direct 服務端 廣播

 1 #!/usr/bin/env python
 2 #{data} {time}
 3 #_*_coding:utf-8_*_
 4 
 5 import pika,sys,time
 6 connection = pika.BlockingConnection(pika.ConnectionParameters(
 7                ‘localhost‘))
 8 channel = connection.channel()#管道
 9 
10 
11 
12 severity = sys.argv[1] if len(sys.argv) > 1 else ‘info‘#啟動參數 默認無參數為 info 級別
13 msg=‘‘.join(sys.argv[2:]) or  ‘info:消息默認發送………‘#啟動參數 為空，發默認消息
14 for i in range(10):
15     time.sleep(1)
16     channel.basic_publish(exchange=‘direct_logs‘,#綁定頻道
17                           routing_key=severity,#默認的消息隊列級別
18                           body=msg+str(i),
19                           #properties=pika.BasicProperties(delivery_mode=2)#持久化 廣播不能使用
20                            )
21     print(msg,severity)
22 connection.close()
23 #channel.close()

rabbitmq_server:

rabbitmq_server_2: 消息持久化

 1 import pika
 2 connection = pika.BlockingConnection(pika.ConnectionParameters(
 3                ‘localhost‘))
 4 channel = connection.channel()#管道
 5 
 6 #聲明queue
 7 #channel.queue_declare(queue=‘hello‘)#隊列名 hello
 8 channel.queue_declare(queue=‘hello‘,durable=True)#隊列名 hello,持久化隊列
 9 
10 for i in range(10):
11 
12     channel.basic_publish(exchange=‘‘,
13                           routing_key=‘hello‘,
14                           body=‘Hello World!%s‘%i,
15                           properties=pika.BasicProperties(delivery_mode=2))
16     print(" [x] Sent ‘Hello World!‘",i)
17 connection.close()

rabbitmq_server_fanout. fanout 模式發送端

 1 import pika,sys,time
 2 connection = pika.BlockingConnection(pika.ConnectionParameters(
 3                ‘localhost‘))
 4 channel = connection.channel()#管道
 5 
 6 #聲明queue 廣播模式不用聲明隊列
 7 #channel.queue_declare(queue=‘hello‘)#隊列名 hello
 8 #channel.queue_declare(queue=‘hello‘,durable=True)#隊列名 hello,持久化隊列
 9 
10 argv=input(‘輸入消息‘)
11 msg=‘‘.join(sys.argv[1:]) or  ‘info:消息默認發送………‘
12 for i in range(10):
13     time.sleep(1)
14     channel.basic_publish(exchange=‘logs‘,#綁定頻道
15                           #routing_key=‘hello‘,
16                           routing_key=‘‘,
17                           body=msg+str(i),
18                           #properties=pika.BasicProperties(delivery_mode=2)#持久化 廣播不能使用
19                            )
20     print(msg,i)
21 #connection.close()

rabbitmq_client_fanout fanout 接收端

 1 #!/usr/bin/env python
 2 #{data} {time}
 3 
 4 #_*_coding:utf-8_*_
 5 
 6 import pika,time
 7 
 8 connection = pika.BlockingConnection(pika.ConnectionParameters(
 9                ‘localhost‘))
10 channel = connection.channel()
11 #channel.queue_declare(queue=‘hello2‘)#服務端與客戶端的設置需一致，不然會報錯
12 #channel.queue_declare(queue=‘hello2‘,durable=True)#隊列名 hello,持久化隊列
13 channel.exchange_declare(exchange=‘logs‘,#綁定頻道
14                          type=‘fanout‘)#接收類型
15 reult=channel.queue_declare(exclusive=True)#隨機生成唯一的隊列名，會在消息接收後自動刪除
16 queuename=reult.method.queue#隊列名 自動生成
17 channel.queue_bind(exchange=‘logs‘,#先要綁定頻道
18                    queue=queuename
19                    )
20 
21 
22 def callback(ch, method, properties, body):#回調函數
23     print(‘接收消息中…………‘)
24     #time.sleep(5)
25     print(" [x] Received %r" % body.decode())
26     ch.basic_ack(delivery_tag=method.delivery_tag)
27 
28 
29 channel.basic_qos(prefetch_count=1)#同時只處理一個消息
30 channel.basic_consume(callback,#接收到消息調用回調函數 callback
31                       queue=queuename,
32                       #no_ack=True
33                        )
34 
35 print(‘ [*] 接收消息中. To exit press CTRL+C‘)
36 
37 channel.start_consuming()#啟動消息接收

python第五十七天------補上筆記