[secs]HSMS timeout

 T6: Active 端

    select.req <-T6-> select.rsp

T7: Passive 端

    open -> not_select <-T7-> select

T5: Active 端

    connect_fail <-T5-> connecting

T8: msg:{B <-T8-> B...}

[csharp]C# 如何得知某個 class 有實作某個介面

 ## 方法

1. objectType.GetInterfaces().Contains(interfaceType)

2. interfaceType.IsAssignableFrom(objectType)

3. objectType.IsAssignableTo(interfaceType)

4. objectType.GetInterface(nameof(interface)) != null

## 參考來源

https://www.facebook.com/groups/1706638306295947/?multi_permalinks=3338835626409532