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第 28 章 Message Queuing & RPC

目录

28.1. RabbitMQ
28.1.1. 安装 RabbitMQ
28.1.1.1. Ubuntu
28.1.1.2. CentOS
28.1.2. rabbitmqctl - command line tool for managing a RabbitMQ broker
28.1.2.1. list_users
28.1.2.2. 虚拟机管理
28.1.2.3. list_queues
28.1.2.4. list_exchanges
28.1.3. rabbitmq-plugins - command line tool for managing RabbitMQ broker plugins
28.1.3.1. rabbitmq_management
28.1.4. Python - Pika
28.1.5. Ruby amqp
28.2. ZeroMQ
28.2.1. python-zeromq
28.2.1.1. pyzmq
28.2.1.2. example
28.2.2. ruby zmq
28.3. nanomsg
28.4. Gearman
28.4.1. Getting Started with Gearman
28.4.1.1. CentOS
28.4.1.2. Ubuntu
28.4.1.3. 防火墙设置
28.4.2. gearman
28.4.3. Gearman PHP Extension
28.5. Celery
28.6. ActiveMQ
28.7. http://kr.github.io/beanstalkd/
28.8. gRPC

28.1. RabbitMQ

RabbitMQ

28.1.1. 安装 RabbitMQ

running on 127.0.0.1 (localhost) on port 5672 (standard AMQP port).

28.1.1.1. Ubuntu

$ sudo apt-get install rabbitmq-server
			

28.1.1.2. CentOS

# yum install -y rabbitmq-server
# chkconfig rabbitmq-server on
# service rabbitmq-server start
			

添加用户, 添加权限, 删除guest用户

# rabbitmqctl add_user rabbit password
# rabbitmqctl set_permissions -p "/" rabbit ".*" ".*" ".*"
# rabbitmqctl delete_user guest
			

28.1.2. rabbitmqctl - command line tool for managing a RabbitMQ broker

rabbitmqctl status
		

28.1.2.1. list_users

# rabbitmqctl list_users
Listing users ...
guest	[administrator]
...done.
			

28.1.2.2. 虚拟机管理

$ rabbitmqctl add_vhost test
$ rabbitmqctl add_user testuser password
$ rabbitmqctl set_permissions -p test testuser ".*" ".*" ".*"			
			

28.1.2.3. list_queues

# rabbitmqctl list_queues
Listing queues ...
amq.gen-RhBwbb9EdZ8Fgk_heGZQ2w	0
bb	0
customer	276930
demo	0
email	0
example	0
hello	1
members_id	282
new_members_id	0
q_linvo	0
real	0
...done.
			

			
			

28.1.2.4. list_exchanges

# rabbitmqctl list_exchanges
Listing exchanges ...
	direct
amq.direct	direct
amq.fanout	fanout
amq.headers	headers
amq.match	headers
amq.rabbitmq.log	topic
amq.rabbitmq.trace	topic
amq.topic	topic
email	direct
...done.
			

28.1.3. rabbitmq-plugins - command line tool for managing RabbitMQ broker plugins

启用插件

rabbitmq-plugins enable rabbitmq_management		
		

28.1.3.1. rabbitmq_management

RabbitMQ Management HTTP API (https://cdn.rawgit.com/rabbitmq/rabbitmq-management/rabbitmq_v3_6_0/priv/www/api/index.html)

启用插件 Management and Monitoring 插件

rabbitmq-plugins enable rabbitmq_management
systemctl restart rabbitmq-server			
			
# curl -u guest:guest http://localhost:15672/api/overview
{"management_version":"3.3.5","statistics_level":"fine","exchange_types":[{"name":"topic","description":"AMQP topic exchange, as per the AMQP specification","enabled":true},{"name":"fanout","description":"AMQP fanout exchange, as per the AMQP specification","enabled":true},{"name":"direct","description":"AMQP direct exchange, as per the AMQP specification","enabled":true},{"name":"headers","description":"AMQP headers exchange, as per the AMQP specification","enabled":true}],"rabbitmq_version":"3.3.5","cluster_name":"rabbit@iZ623qr3xctZ","erlang_version":"R16B03-1","erlang_full_version":"Erlang R16B03-1 (erts-5.10.4) [source] [64-bit] [smp:8:8] [async-threads:30] [hipe] [kernel-poll:true]","message_stats":{},"queue_totals":{"messages":0,"messages_details":{"rate":0.0},"messages_ready":0,"messages_ready_details":{"rate":0.0},"messages_unacknowledged":0,"messages_unacknowledged_details":{"rate":0.0}},"object_totals":{"consumers":1,"queues":3,"exchanges":10,"connections":1,"channels":1},"node":"rabbit@iZ623qr3xctZ","statistics_db_node":"rabbit@iZ623qr3xctZ","listeners":[{"node":"rabbit@iZ623qr3xctZ","protocol":"amqp","ip_address":"::","port":5672},{"node":"rabbit@iZ623qr3xctZ","protocol":"clustering","ip_address":"::","port":25672}],"contexts":[{"node":"rabbit@iZ623qr3xctZ","description":"RabbitMQ Management","path":"/","port":15672}]}			
			

vhosts

# curl -u guest:guest http://localhost:15672/api/vhosts
[{"messages":0,"messages_details":{"rate":0.0},"messages_ready":0,"messages_ready_details":{"rate":0.0},"messages_unacknowledged":0,"messages_unacknowledged_details":{"rate":0.0},"recv_oct":617,"recv_oct_details":{"rate":0.0},"send_oct":625,"send_oct_details":{"rate":0.0},"name":"/","tracing":false}]			
			

queues

# curl -s -u guest:guest http://localhost:15672/api/queues/%2f/example | sed 's/,/,\n/g'
{"message_stats":{"ack":817,
"ack_details":{"rate":0.8},
"deliver":829,
"deliver_details":{"rate":0.8},
"deliver_get":829,
"deliver_get_details":{"rate":0.8},
"publish":33700,
"publish_details":{"rate":22.4},
"redeliver":9,
"redeliver_details":{"rate":0.0}},
"messages":32884,
"messages_details":{"rate":39.2},
"messages_ready":32881,
"messages_ready_details":{"rate":39.2},
"messages_unacknowledged":3,
"messages_unacknowledged_details":{"rate":0.0},
"policy":"",
"exclusive_consumer_tag":"",
"consumers":1,
"consumer_utilisation":0.00005551817727208515,
"memory":34387224,
"backing_queue_status":{"q1":0,
"q2":0,
"delta":["delta",
0,
0,
0],
"q3":0,
"q4":32881,
"len":32881,
"pending_acks":3,
"target_ram_count":"infinity",
"ram_msg_count":32881,
"ram_ack_count":3,
"next_seq_id":33700,
"persistent_count":0,
"avg_ingress_rate":31.071205055112543,
"avg_egress_rate":0.7083061832348867,
"avg_ack_ingress_rate":0.7083061832348867,
"avg_ack_egress_rate":0.7083061832348867},
"state":"running",
"incoming":[{"stats":{"publish":33700,
"publish_details":{"rate":22.4}},
"exchange":{"name":"email",
"vhost":"/"}}],
"deliveries":[{"stats":{"redeliver":3,
"redeliver_details":{"rate":0.0},
"deliver_get":348,
"deliver_get_details":{"rate":0.8},
"deliver":348,
"deliver_details":{"rate":0.8},
"ack":345,
"ack_details":{"rate":0.8}},
"channel_details":{"name":"127.0.0.1:41033 -> 127.0.0.1:5672 (1)",
"number":1,
"connection_name":"127.0.0.1:41033 -> 127.0.0.1:5672",
"peer_port":41033,
"peer_host":"127.0.0.1"}}],
"consumer_details":[{"channel_details":{"name":"127.0.0.1:41033 -> 127.0.0.1:5672 (1)",
"number":1,
"connection_name":"127.0.0.1:41033 -> 127.0.0.1:5672",
"peer_port":41033,
"peer_host":"127.0.0.1"},
"queue":{"name":"example",
"vhost":"/"},
"consumer_tag":"amq.ctag-6BSkZzt3eWgBG5Jn2nl4QA",
"exclusive":false,
"ack_required":true,
"prefetch_count":3,
"arguments":{}}],
"name":"example",
"vhost":"/",
"durable":true,
"auto_delete":false,
"arguments":{},
"node":"rabbit@iZ623qr3xctZ"}			
			

28.1.4. Python - Pika

http://pika.github.com/

sudo apt-get install python-setuptools python-pip git-core
sudo pip install pika

sudo easy_install pika
		

28.1.5. Ruby amqp

$ sudo gem install amqp
		

例 28.1. Ruby on RabbitMQ

subscriber.rb

$ cat subscriber.rb
require 'rubygems'
require 'amqp'

EM.run {
  amq = MQ.new
  amq.queue("logins").subscribe do |login|
    puts login
  end
}
			

producer.rb

$ cat producer.rb
require 'rubygems'
require 'amqp'

EM.run {
  amq = MQ.new
  queue = amq.queue("logins")
  %w[scott nic robi].each { |login|
      queue.publish(login)
  }
}
			

test

$ ruby subscriber.rb

$ ruby producer.rb
			

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