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| 1 | +@startuml |
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| 2 | +start |
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| 3 | +:用户发送HTTP请求到网关; |
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| 4 | + |
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| 5 | +:网关进行身份认证; |
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| 6 | +if (认证通过?) then (是) |
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| 7 | + :网关检查请求类型; |
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| 8 | + if (请求类型是IOT服务?) then (是) |
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| 9 | + :网关转发请求到IOT服务; |
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| 10 | + :IOT服务检查缓存; |
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| 11 | + if (缓存命中?) then (是) |
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| 12 | + :返回缓存结果给网关; |
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| 13 | + else (否) |
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| 14 | + :IOT服务处理请求; |
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| 15 | + :IOT服务生成结果; |
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| 16 | + endif |
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| 17 | + :IOT服务返回结果给网关; |
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| 18 | + else (否) |
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| 19 | + if (请求类型是MI服务?) then (是) |
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| 20 | + :网关转发请求到MI服务; |
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| 21 | + :MI服务检查缓存; |
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| 22 | + if (缓存命中?) then (是) |
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| 23 | + :返回缓存结果给网关; |
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| 24 | + else (否) |
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| 25 | + :MI服务处理请求; |
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| 26 | + :MI服务生成结果; |
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| 27 | + endif |
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| 28 | + :MI服务返回结果给网关; |
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| 29 | + else (否) |
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| 30 | + :未知的请求类型; |
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| 31 | + stop |
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| 32 | + endif |
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| 33 | + endif |
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| 34 | + :网关返回结果给用户; |
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| 35 | +else (否) |
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| 36 | + :认证失败; |
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| 37 | + :返回错误信息给用户; |
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| 38 | +endif |
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| 39 | +stop |
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| 40 | +@enduml |