9.12.3 CreatePullPointSubscription

客户端可以从TopicProperties订阅指定的通知信息。下面的XML示例显示了设备规则引擎订阅所产生的通知。客户端只对引用名为VideoAnalyticsConfiguration、值为”2”和名为VideoSourceConfiguration、值为”1”的通知起反应。此订阅有一分钟超时。如果订阅没有明确续订或者不定期拉取消息，那么它将在此时间后自动终止。

  1. <?xml version="1.0" encoding="UTF-8"?>
  2.     <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://www.w3.org/2003/05/soap-envelope"
  3.             xmlns:wsa="http://www.w3.org/2005/08/addressing"
  4.             xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2"
  5.             xmlns:tet="http://www.onvif.org/ver10/events/wsdl"
  6.             xmlns:tns1="http://www.onvif.org/ver10/topics">
  7.     <SOAP-ENV:Header>
  8.         <wsa:Action>
  9.             http://www.onvif.org/ver10/events/wsdl/EventPortType/CreatePullPointSubscriptionRequest
  10.         </wsa:Action>
  11.     </SOAP-ENV:Header>
  12.     <SOAP-ENV:Body>
  13.         <tet:CreatePullPointSubscription>
  14.             <tet:Filter>
  15.                 <wsnt:TopicExpression Dialect="http://www.onvif.org/ver10/tev/topicExpression/ConcreteSet">
  16.                     tns1:RuleEngine//.
  17.                 </wsnt:TopicExpression>
  18.                 <wsnt:MessageContent Dialect="http://www.onvif.org/ver10/te v/messageContentFilter/ItemFilter">
  19.                     boolean(//tt:SimpleItem[@Name="VideoAnalyticsConfigurationToken" and @Value="2"]) and boolean(//tt:SimpleItem[@Name="VideoSourceConfigurationToken" and @Value="1"])
  20.                 </wsnt:MessageContent>
  21.             </tet:Filter>
  22.             <tet:InitialTerminationTime>
  23.                 PT1M
  24.             </tet:InitialTerminationTime>
  25.         </tet:CreatePullPointSubscription>
  26.     </SOAP-ENV:Body>
  27. </SOAP-ENV:Envelope>

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