以微服务+MQ构建支持高并发连接的分布式消息服务系统
- Gateway节点
Node通过订阅MQ消息的方式，完成消息在节点间的转发 - 根据业务场景的需求，需要考虑Node节点消息消费与生产速度的匹配
- Client间的pub/sub关系比较多，如
n个node, 发送m条消息/topic/node，节点消费的需求是n*m条/topic - Client端多为pub操作，而系统下发消息较少的情况，节点消费需求则比较低
- Client间的pub/sub关系比较多，如
Gateway编程模型
根据配置选择 conf/conf.toml
- MQ
conf.broker- Kafka
- 服务注册与发现
conf.auth- Etcd
- Consul
# 启动Gateway，[-h]帮助查看可选参数
$ cd gateway
$ go run -tags "consul" main.go
# RPC Auth服务，[-h]帮助查看可选参数
$ cd api
$ go run -tags "consul" main.go- MQTT Web Client
- Gateway 测试服务
host=gmqtt.k8s.hbchen.comport=80
-
gateway
- sessions
- mock
- redis
- topic
- mem
- client auth
- mock
- rpc
- pub/sub auth
- mock
- rpc
- sessions
-
broker
- kafka
-
Developing
- api
- auth
- RPC服务间的访问控制：RBAC
- client
- auth
- client auth
- pub/sub auth
- register
- register
- unregister
- auth
- cluster
- nodes
- 节点列表
- clients
- 终端列表
- sessions
- 会话列表
- topics
- 话题信息
- subscriptions
- 订阅信息
- nodes
- auth
- console
- deploy
- api
- MBP开发环境
- mock broker
- pub timeout 3000 ms, size 64
$ go test -run=TestClient$
# 1 client pub, sent 100000 messages, no sub
# qos 0
Total sent 100000 messages dropped 0 in 3096.074512 ms, 0.030961 ms/msg, 32298 msgs/sec
# qos 1
Total sent 100000 messages dropped 0 in 10411.318733 ms, 0.104113 ms/msg, 9604 msgs/sec$ go test -run=TestClients$
# 1000 clients, sent 1000 messages/client, no sub
# qos 0
Total Sent 1000000 messages dropped 0 in 14628.666153 ms, 0.014629 ms/msg, 68358 msgs/sec
# qos 1
Total Sent 1000000 messages dropped 0 in 38669.812430 ms, 0.038670 ms/msg, 25859 msgs/sec
# 1000 clients, sent 1000 messages/client, 1 client sub
# qos 1
Total Sent 1000000 messages dropped 0 in 65403.199238 ms, 0.065403 ms/msg, 15289 msgs/sec
Total Received 1000000 messages in 65403.199238 ms, 0.065403 ms/msg, 15289 msgs/sec
# qos 2
Total Sent 1000000 messages dropped 0 in 68339.624216 ms, 0.068340 ms/msg, 14632 msgs/sec
Total Received 1000000 messages in 68339.624216 ms, 0.068340 ms/msg, 14632 msgs/sec# 在.proto有import时注意相对的路径
protoc -I=$GOPATH/src:. --go_out=. api/proto/define.proto# Start the server
$ bin/zookeeper-server-start.sh config/zookeeper.properties
$ bin/kafka-server-start.sh config/server.properties
# List topic
bin/kafka-topics.sh --list --zookeeper localhost:2181
# Start a consumer
bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic topic --from-beginning# 启动报错，需修改conf/application.conf
kafka-manager.zkhosts="localhost:2181"
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