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4.1.4 Invoking a Method

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The WS-Management Protocol can be used to invoke a method on a CIM class or instance. Win32_Process is a CIM class derived from CIM_Process, which has a method called Create that is used to create a process.

Invoke Method Request

 <s:Envelope
   xmlns:s="http://www.w3.org/2003/05/soap-envelope"
   xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing"
   xmlns:wsman="http://schemas.dmtf.org/wbem/wsman/1/wsman.xsd">
     <s:Header>
         <wsa:To>http://server:80/wsman</wsa:To>
         <wsman:ResourceURI s:mustUnderstand="true">
 http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_Process
         </wsman:ResourceURI>
         <wsa:ReplyTo>
             <wsa:Address s:mustUnderstand="true">
 http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous
             </wsa:Address>
         </wsa:ReplyTo>
         <wsa:Action s:mustUnderstand="true">
 http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_Process/Create
         </wsa:Action>
         <wsman:MaxEnvelopeSize s:mustUnderstand="true">
           51200
         </wsman:MaxEnvelopeSize>
         <wsa:MessageID>
           uuid:9A989269-283B-4624-BAC5-BC291F72E854
         </wsa:MessageID>
         <wsman:OperationTimeout>PT60.000S</wsman:OperationTimeout>
     </s:Header>
     <s:Body>
         <p:Create_INPUT 
 xmlns:p="http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cim/Win32_Process"
         >
             <p:CommandLine>notepad.exe</p:CommandLine>
             <p:CurrentDirectory>C:\</p:CurrentDirectory>
         </p:Create_INPUT>
     </s:Body>
 </s:Envelope>

Invoke Method Response

  
 <s:Envelope xml:lang="en-US"
   xmlns:s="http://www.w3.org/2003/05/soap-envelope"
   xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing"
   xmlns:wsman="http://schemas.dmtf.org/wbem/wsman/1/wsman.xsd">
     <s:Header>
         <wsa:Action s:mustUnderstand="true">
 http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_Process/CreateResponse
         </wsa:Action>
         <wsa:MessageID s:mustUnderstand="true">
           uuid:F0228E67-F37B-4BE3-BAA2-3BB58AA6F911
         </wsa:MessageID>
         <wsa:To>
 http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous
         </wsa:To>
         <wsa:RelatesTo s:mustUnderstand="true">
           uuid:9A989269-283B-4624-BAC5-BC291F72E854
         </wsa:RelatesTo>
     </s:Header>
     <s:Body>
         <p:Create_OUTPUT 
 xmlns:p="http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_Process"
         >
             <p:ProcessId>4000</p:ProcessId>
             <p:ReturnValue>0</p:ReturnValue>
         </p:Create_OUTPUT>
     </s:Body>
 </s:Envelope>