GAT1399协议分析（四）--保活

一、定义

GAT1400.4中定义/VIAS/System/Keepalive，消息未POST消息

其中Keepalive消息定义为

其中ResponseStatus定义为：

二、wireshark捕获的消息

请求：

POST /VIID/System/Keepalive HTTP/1.1
Host: 10.0.21.166:1400
Content-Type: application/VIID+JSON; charset=UTF-8
User-Identify: 34078100001190001002
Accept: */*
User-Agent: Vision-Zenith, ChengDu
Accept-Encoding: gzip, deflate
Cache-Control: no-cache
Content-Length: 55

{"KeepaliveObject":{"DeviceID":"34078100001190001002"}}

应答：

文本化：

HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8
Date: Tue, 04 Jun 2024 01:46:02 GMT
Content-Length: 153

{"ResponseStatusObject":{

"Id":"34078100001190001002",

"StatusCode":0,

"RequestURL":"/VIID/System/Register",

"StatusString":"",

"LocalTime":"20240604094602"

}}