Question

importing existing COM+ component into an ATL Web Service

Asked by: Code_Angel

I need to call an existing COM+ component into an ATL Web Service. The Generated .IDL file by the OLE/COM Object Viewer of the com+ component is as below.The component was developed in Visual C++ 6
----------------------------------------------------------------------------------
// Generated .IDL file (by the OLE/COM Object Viewer)
//
// typelib filename: tmc.dll

[
  uuid(57CA9202-5167-402F-B366-A850F52851EB),
  version(1.0),
  helpstring("tmc 1.0 Type Library")
]
library TMCLib
{
    // TLib :     // TLib : OLE Automation : {00020430-0000-0000-C000-000000000046}
    importlib("stdole2.tlb");

    // Forward declare all types defined in this typelib
    interface ITMC_Message;

    [
      uuid(3EF4595C-C6C0-4CD1-86BB-B28474AE6F8F),
      helpstring("TMC_Message Class")
    ]
    coclass TMC_Message {
        [default] interface ITMC_Message;
    };

    [
      odl,
      uuid(9D911DE1-0993-4B5E-B2AD-EC71551FEFEA),
      helpstring("ITMC_Message Interface"),
      dual,
      oleautomation
    ]
    interface ITMC_Message : IDispatch {
        [id(0x00000001), helpstring("method m_TMCMsgReceive")]
        HRESULT m_TMCMsgReceive(
                        [in, out] BSTR* pbstrTerminalSerialNumberParam,
                        [in, out] long* plEnterpriseIDParam,
                        [in, out] long* plOperatorIDParam,
                        [in, out] long* plStoreIDParam,
                        [in, out] long* plStoreTerminalIDParam,
                        [in, out] long* plTMCMsgSequenceNumberParam,
                        [in, out] long* plTMCOperatorSessionIDParam,
                        [in, out] long* plTMCMsgTypeParam,
                        [in, out] VARIANT_BOOL* pfMsgCompressionFlagParam,
                        [in, out] BSTR* pbstrTerminalVersion,
                        [in, out] BSTR* pbstrMsgDataBufferParam,
                        [in, out] BSTR* pbstrMsgReturnBufferParam,
                        [in, out] long* plErrorReturnCodeParam);
    };
};
-----------------------------------------------------------------------------------------------------------------------------------------------

In Visual C++ .Net I have created my ATL Web Service added a reference to COM object and wrote the code below to import the COM+ component into the web service.
------------------------------------------------------------------------------------------------------------------------------------------------
// TMCSOAWebService.h : Defines the ATL Server request handler class
//
#pragma once
#include <iostream>
#import "C:\Program Files\TMC\tmc.dll" no_namespace


namespace TMCSOAWebServiceService
{
// all struct, enum, and typedefs for your webservice should go inside the namespace

// ITMCSOAWebServiceService - web service interface declaration
//
[
      uuid("61768E03-B414-4372-ACD1-C4ECC083AC7A"),
      object
]
__interface ITMCSOAWebServiceService
{
      // HelloWorld is a sample ATL Server web service method.  It shows how to
      // declare a web service method and its in-parameters and out-parameters
      //[id(1)] HRESULT HelloWorld([in] BSTR bstrInput, [out, retval] BSTR *bstrOutput);
[id(1)]      HRESULT TMCMsgReceive(
                [in, out] BSTR* pbstrTerminalSerialNumberParam,
                [in, out] long* plEnterpriseIDParam,
                [in, out] long* plOperatorIDParam,
                [in, out] long* plStoreIDParam,
                [in, out] long* plStoreTerminalIDParam,
                [in, out] long* plTMCMsgSequenceNumberParam,
                [in, out] long* plTMCOperatorSessionIDParam,
                [in, out] long* plTMCMsgTypeParam,
                [in, out] VARIANT_BOOL* pfMsgCompressionFlagParam,
                [in, out] BSTR* pbstrTerminalVersion,
                [in, out] BSTR* pbstrMsgDataBufferParam,
                [in, out] BSTR* pbstrMsgReturnBufferParam,
                [in, out] long* plErrorReturnCodeParam);

      // TODO: Add additional web service methods here
};


// TMCSOAWebServiceService - web service implementation
//
[
      request_handler(name="Default", sdl="GenTMCSOAWebServiceWSDL"),
      soap_handler(
            name="TMCSOAWebServiceService",
            namespace="urn:TMCSOAWebServiceService",
            protocol="soap"
      )
]
class CTMCSOAWebServiceService :
      public ITMCSOAWebServiceService
{
public:
      // uncomment the service declaration(s) if you want to use
      // a service that was generated with your ISAPI extension
//      CComPtr<IFileCache> m_spFileCache;
//      CComPtr<IMemoryCache> m_spBlobCache;
//      CComPtr<IBrowserCapsSvc> m_spBrowserCaps;
      HTTP_CODE InitializeHandler(AtlServerRequest *pRequestInfo, IServiceProvider *pProvider)
      {
            if (HTTP_SUCCESS != CSoapHandler<CTMCSOAWebServiceService>::InitializeHandler(pRequestInfo, pProvider))
                  return HTTP_FAIL;

            // Get the IFileCache service from the ISAPI extension
//            if (FAILED(pProvider->QueryService(__uuidof(IFileCache),
//                                    &m_spFileCache)))
//                  return HTTP_FAIL;

            // Get the IMemoryCache service from the ISAPI extension
//            if (FAILED(pProvider->QueryService(__uuidof(IMemoryCache),
//                                    &m_spBlobCache)))
//                  return HTTP_FAIL;

            // Uncomment the following code to retrieve a data source
            // connection from the data source cache. Replace connection_name
            // with a string used to identify the connection and
            // connection_string with an OLEDB connection string
            // which is valid for your data source. This code assumes that
            // the service provider pointed to by m_spServiceProvider
            // can provide an IDataSourceCache pointer to a data source
            // cache service (usually implemented in the ISAPI extension).
//            CDataConnection dc;
//            if (S_OK != GetDataSource(  pProvider,
//                                                      _T("connection_name"),
//                                                      L"connection_string",
//                                                      &dc ))
//                  return HTTP_FAIL;

            // Get the IBrowserCapsSvc service from the ISAPI extension
//            if (FAILED(pProvider->QueryService(__uuidof(IBrowserCapsSvc),
//                                    &m_spBrowserCaps)))
//                  return HTTP_FAIL;
            return HTTP_SUCCESS;
      }      
      // This is a sample web service method that shows how to use the
      // soap_method attribute to expose a method as a web method
      [ soap_method ]

HRESULT TMCMsgReceive( BSTR* pbstrTerminalSerialNumberParam,
                                          long* plEnterpriseIDParam,
                                          long* plOperatorIDParam,
                                          long* plStoreIDParam,
                                          long* plStoreTerminalIDParam,
                                          long* plTMCMsgSequenceNumberParam,
                                          long* plTMCOperatorSessionIDParam,
                                          long* plTMCMsgTypeParam,
                                         VARIANT_BOOL* pfMsgCompressionFlagParam,
                                         BSTR* pbstrTerminalVersion,
                                         BSTR* pbstrMsgDataBufferParam,
                                         BSTR* pbstrMsgReturnBufferParam,
                                        long* plErrorReturnCodeParam)

      {
            ::CoInitialize(NULL);
            {
            ITMC_Message::m_TMCMsgReceive(pbstrTerminalSerialNumberParam,
                                      plEnterpriseIDParam,
                                      plOperatorIDParam,
                                      plStoreIDParam,
                                      plStoreTerminalIDParam,
                                      plTMCMsgSequenceNumberParam,
                                      plTMCOperatorSessionIDParam,
                                      plTMCMsgTypeParam,
                                      pfMsgCompressionFlagParam,
                                      pbstrTerminalVersion,
                                      pbstrMsgDataBufferParam,
                                      pbstrMsgReturnBufferParam,
                                      plErrorReturnCodeParam);
            
            
        }
            ::CoUninitialize();
            return S_OK;
      }
      // TODO: Add additional web service methods here
}; // class CTMCSOAWebServiceService

} // namespace TMCSOAWebServiceService
------------------------------------------------------------------------------------------------------------------------------------------
I am getting the following " error C2352: 'ITMC_Message::m_TMCMsgReceive' : illegal call of non-static member function "
I thought possibly  the error could be fixed by the hotfix on http://support.microsoft.com/?kbid=821711. I have installed the hotfix but still getting the same error. I have also tried using the Tlbimp utility but it's failing to open the file in during compilation. Cold some please help ?

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Asked On
2005-01-10 at 07:07:22ID21268318
Topics

Microsoft Visual C++.Net

,

Microsoft Programming

Participating Experts
1
Points
500
Comments
4

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Answers

 

by: drichardsPosted on 2005-01-10 at 08:28:05ID: 13004321

You ARE trying to call a non-static member function: 'ITMC_Message::m_TMCMsgReceive(pbstrTerminalSerialNumberParam, ...' is trying to use 'm_TMCMsgReceive' as a static method.  I'm not sure what the  TMC_Message object is, but somehow you need to get an instance.  You could try simply creating one using CoCreateInstance and then calling the method through the instance.

 

by: Code_AngelPosted on 2005-01-10 at 10:27:56ID: 13005786

Thanks DRichards, I guess I didn't realise I had missed that part out. The code now compiles ok, cheers.

20120131-EE-VQP-002

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