本文主要是介绍实现国标GB28181流媒体服务解决方案2016版移动位置订阅流程简述,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
GB28181流媒体服务器发展目标
GB28181流媒体服务器已经实现了GB28181协议,能够接入各个厂家的监控设备和监控平台,实现统一管理,和web端无插件播放,同时支持手机、微信、网页播放。
今天我们来讲一下国标GB28181里面的移动位置订阅。移动位置订阅是国标28181-2016版本新出的协议,协议里面对移动位置订阅的描述不是很清晰,因此我们在这边简单规整一下,也简单说明一下移动订阅的流程。
移动订阅的流程
移动位置订阅的包体信息:
<?xml version="1.0"?>
<Query>
<CmdType>MobilePosition</CmdType>
<SN>51</SN>
<DeviceID>64000000001310000001</DeviceID>
<Interval>6</Interval>
</Query>
移动位置取消订阅的包体信息:
<?xml version="1.0"?>
<Query>
<CmdType>MobilePosition</CmdType>
<SN>7</SN>
<DeviceID>64000000001310000001</DeviceID>
</Query>
移动位置通知消息,包体内容:
<?xml version="1.0" ?>
<Notify>
<DeviceID>64000000001310000001</DeviceID>
<CmdType>MobilePosition</CmdType>
<SN>128</SN>
<Time>2017-05-19T10:27:58</Time>
<Longitude>116.336</Longitude>
<Latitude>39.942</Latitude>
<Speed>0.0</Speed>
<Direction>0.0</Direction>
<Altitude>0.0</Altitude>
</Notify>
移动位置订阅消息:
SUBSCRIBE sip:64000000001310000001@192.168.1.93:5060 SIP/2.0
Call-ID: 4ef921da0c61d38df35ed9794b79e6fd@0.0.0.0
CSeq: 1 SUBSCRIBE
From: <sip:34020000002000000001@3402000000>;tag=98909488_53173353_53a5809f-9432-4c74-b2f3-1b0d496fc3db
To: <sip:64000000001310000001@192.168.1.93:5060>
Max-Forwards: 70
Contact: "34020000002000000001" <sip:192.168.1.81:5060>
Expires: 600
Event: Catalog;id=55
Content-Type: Application/MANSCDP+xml
Via: SIP/2.0/UDP 192.168.1.81:5060;branch=z9hG4bK53a5809f-9432-4c74-b2f3-1b0d496fc3db_53173353_7382400244196
Content-Length: 157<?xml version="1.0"?>
<Query>
<CmdType>MobilePosition</CmdType>
<SN>51</SN>
<DeviceID>64000000001310000001</DeviceID>
<Interval>6</Interval>
</Query>
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.81:5060;branch=z9hG4bK53a5809f-9432-4c74-b2f3-1b0d496fc3db_53173353_7382400244196
From: <sip:34020000002000000001@3402000000>;tag=98909488_53173353_53a5809f-9432-4c74-b2f3-1b0d496fc3db
To: <sip:64000000001310000001@192.168.1.93:5060>;tag=waUyeIgW
Call-ID: 4ef921da0c61d38df35ed9794b79e6fd@0.0.0.0
CSeq: 1 SUBSCRIBE
Contact: <sip:64000000001310000001@192.168.1.93:5060>
Expires: 600
Content-Length: 0
移动位置上报的抓包信息(由于检测的时候设备还没有设备厂商过了GB28181-2016检测,还是采用的定制海康的设备,包体内容还有些小bug给公安一所说了,后面有所修改):
NOTIFY sip:34020000002000000001@3402000000 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.93:5060;rport;branch=z9hG4bK-3d09000-17478ee-Hi8M6Ajh
From: <sip:64000000001310000001@192.168.1.93:5060>;tag=waUyeIgW
To: <sip:34020000002000000001@3402000000>;tag=98909488_53173353_53a5809f-9432-4c74-b2f3-1b0d496fc3db
Call-ID: 4ef921da0c61d38df35ed9794b79e6fd@0.0.0.0
CSeq: 2 NOTIFY
Contact: <sip:192.168.1.93:5060>
Content-Type: Application/MANSCDP+xml
Max-Forwards: 70
Event: Catalog;id=55
Subscription-State: active
Content-Length: 310<?xml version="1.0" encoding="UTF-8"?>
<Notify>
<DeviceID>64000000001310000001</DeviceID>
<CmdType>MobilePosition</CmdType>
<SN>126</SN>
<Time>2017-05-19T10:27:38</Time>
<Longitude>116.336</Longitude>
<Latitude>39.942</Latitude>
<Speed>0.0</Speed>
<Direction>0.0</Direction>
<Altitude>0.0</Altitude>
</Notify>
SIP/2.0 200 OK
To: <sip:34020000002000000001@3402000000>;tag=98909488_53173353_53a5809f-9432-4c74-b2f3-1b0d496fc3db
Via: SIP/2.0/UDP 192.168.1.93:5060;rport=5060;branch=z9hG4bK-3d09000-17478ee-Hi8M6Ajh;received=192.168.1.93
CSeq: 2 NOTIFY
Call-ID: 4ef921da0c61d38df35ed9794b79e6fd@0.0.0.0
From: <sip:64000000001310000001@192.168.1.93:5060>;tag=waUyeIgW
Contact: <sip:192.168.1.81:5060>
Content-Length: 0
移动位置取消订阅:
SUBSCRIBE sip:192.168.1.93:5060 SIP/2.0
CSeq: 2 SUBSCRIBE
From: <sip:34020000002000000001@3402000000>;tag=98909488_53173353_53a5809f-9432-4c74-b2f3-1b0d496fc3db
To: <sip:64000000001310000001@192.168.1.93:5060>;tag=waUyeIgW
Call-ID: 4ef921da0c61d38df35ed9794b79e6fd@0.0.0.0
Max-Forwards: 70
Contact: <sip:192.168.1.81:5060>
Expires: 0
Event: Catalog;id=55
Content-Type: Application/MANSCDP+xml
Via: SIP/2.0/UDP 192.168.1.81:5060;branch=z9hG4bK53a5809f-9432-4c74-b2f3-1b0d496fc3db_53173353_7422092422952
Content-Length: 150<?xml version="1.0"?>
<Query>
<CmdType>MobilePosition</CmdType>
<SN>55</SN>
<DeviceID>64000000001310000001</DeviceID>
</Query>
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.81:5060;branch=z9hG4bK53a5809f-9432-4c74-b2f3-1b0d496fc3db_53173353_7422092422952
From: <sip:34020000002000000001@3402000000>;tag=98909488_53173353_53a5809f-9432-4c74-b2f3-1b0d496fc3db
To: <sip:64000000001310000001@192.168.1.93:5060>;tag=waUyeIgW
Call-ID: 4ef921da0c61d38df35ed9794b79e6fd@0.0.0.0
CSeq: 2 SUBSCRIBE
Contact: <sip:64000000001310000001@192.168.1.93:5060>
Expires: 600
Content-Length: 0
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