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agent's Introduction

agent(网关)

Build Status

设计理念

设备只连接到网关,网关无状态,长连接。

agent功用

  1. 数据包加解密(DH+RC4)
  2. 透传原始数据到后端(bidirectional stream)
  3. 对协议(API)做测量,可视化(metrics visualization)
  4. 不断开tcp连接选服(game在线切换)
  5. 统一的连接入口(方便DNS round robin)

协议号划分

数据包会根据协议编号(0-65535) 透传 到对应的服务, 例如(示范):

  1-1000: 登陆相关协议,网关协同auth服务处理。
  1001-10000: 游戏逻辑段

具体的划分根据业务需求进行。

使用

agent 参考测试用例以及tools目录的simulate

封包

    +----------------------------------------------------------------+     
    | SIZE(2) | TIMESTAMP(4) | PROTO(2) | PAYLOAD(SIZE-6)            |     
    +----------------------------------------------------------------+     

SIZE: 后续数据包总长度
TIMESTAMP: 数据包序号
PROTO: 协议号
PAYLOAD: 负载

阅读

源码阅读从src/agent/main.go开始

环境变量

NSQD_HOST: eg : http://172.17.42.1:4151

依赖关系

Dependency

agent's People

Contributors

xtaci avatar johnnyluo586 avatar

Watchers

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