(file) Return to ProviderModule.cpp CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / ProviderManager2 / Default

Diff for /pegasus/src/Pegasus/ProviderManager2/Default/ProviderModule.cpp between version 1.13 and 1.20.6.1

version 1.13, 2005/03/03 19:27:56 version 1.20.6.1, 2007/09/26 22:12:56
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 //%2005////////////////////////////////////////////////////////////////////////  //%2006////////////////////////////////////////////////////////////////////////
 // //
 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
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 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 // EMC Corporation; VERITAS Software Corporation; The Open Group. // EMC Corporation; VERITAS Software Corporation; The Open Group.
   // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
   // EMC Corporation; Symantec Corporation; The Open Group.
 // //
 // Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
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 // //
 //============================================================================== //==============================================================================
 // //
 // Author: Chip Vincent (cvincent@us.ibm.com)  
 //  
 // Modified By:  
 //              Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)  
 //              Yi Zhou, Hewlett-Packard Company (yi_zhou@hp.com)  
 //              Mike Day, IBM (mdday@us.ibm.com)  
 //              Adrian Schuur, IBM (schuur@de.ibm.com)  
 //              Josephine Eskaline Joyce (jojustin@in.ibm.com) for PEP#101  
 //              Sean Keenan, Hewlett-Packard Company <sean.keenan@hp.com>  
 //              Roger Kumpf, Hewlett-Packard Company <roger_kumpf@hp.com>  
 //  
 //%///////////////////////////////////////////////////////////////////////////// //%/////////////////////////////////////////////////////////////////////////////
  
 #include "ProviderModule.h" #include "ProviderModule.h"
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 #include <Pegasus/Common/FileSystem.h> #include <Pegasus/Common/FileSystem.h>
 #include <Pegasus/Common/MessageLoader.h> #include <Pegasus/Common/MessageLoader.h>
  
 #ifdef PEGASUS_OS_OS400  
 # include "CreateProviderOS400SystemState.h"  
 #endif  
   
   
 PEGASUS_NAMESPACE_BEGIN PEGASUS_NAMESPACE_BEGIN
  
 ProviderModule::ProviderModule(const String& fileName) ProviderModule::ProviderModule(const String& fileName)
     : _fileName(fileName),      : _library(fileName)
       _refCount(0),  
       _library(0)  
 { {
 } }
  
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 CIMProvider* ProviderModule::load(const String& providerName) CIMProvider* ProviderModule::load(const String& providerName)
 { {
     CIMProvider* provider = 0;  /*
   BOOKMARK3:
   */
   std::cout << "ProviderModule::load[" << providerName << "]" << std::endl;
  
     // dynamically load the provider library     // dynamically load the provider library
     if (_library == 0)      if (!_library.load())
     {     {
         _library =  
             System::loadDynamicLibrary((const char *)_fileName.getCString());  
   
         if (_library == 0)  
         {  
             // ATTN: does unload() need to be called?  
             throw Exception(MessageLoaderParms(             throw Exception(MessageLoaderParms(
                 "ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY",                 "ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY",
                 "ProviderLoadFailure ($0:$1):Cannot load library, error: $2",                 "ProviderLoadFailure ($0:$1):Cannot load library, error: $2",
                 _fileName,              _library.getFileName(),
                 providerName,                 providerName,
                 System::dynamicLoadError()));              _library.getLoadErrorMessage()));
         }  
     }     }
  
     // find library entry point     // find library entry point
     CIMProvider * (*createProvider)(const String &) = 0;      CIMProvider * (*createProvider)(const String&) =
           (CIMProvider* (*)(const String&))
     createProvider = (CIMProvider* (*)(const String&))System::loadDynamicSymbol(              _library.getSymbol("PegasusCreateProvider");
         _library, "PegasusCreateProvider");  
  
     if (createProvider == 0)     if (createProvider == 0)
     {     {
           _library.unload();
         throw Exception(MessageLoaderParms(         throw Exception(MessageLoaderParms(
             "ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND",             "ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND",
             "ProviderLoadFailure ($0:$1):entry point not found.",             "ProviderLoadFailure ($0:$1):entry point not found.",
             _fileName,              _library.getFileName(),
             providerName));             providerName));
     }     }
  
     // invoke the provider entry point     // invoke the provider entry point
 #ifndef PEGASUS_OS_OS400      CIMProvider* provider = createProvider(providerName);
     provider = createProvider(providerName);  
 #else  
     // On OS/400, need to call a layer of code that does platform-specific  
     // checks before calling the provider  
     provider = OS400_CreateProvider(  
         providerName.getCString(), createProvider, _fileName);  
 #endif  
  
     // test for the appropriate interface     // test for the appropriate interface
     if(dynamic_cast<CIMProvider *>(provider) == 0)     if(dynamic_cast<CIMProvider *>(provider) == 0)
     {     {
           _library.unload();
         throw Exception(MessageLoaderParms(         throw Exception(MessageLoaderParms(
             "ProviderManager.ProviderModule.PROVIDER_IS_NOT_A",             "ProviderManager.ProviderModule.PROVIDER_IS_NOT_A",
             "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.",             "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.",
             _fileName,              _library.getFileName(),
             providerName));             providerName));
     }     }
     _refCount++;  
     return(provider);      return provider;
 } }
  
 void ProviderModule::unloadModule() void ProviderModule::unloadModule()
 { {
     if (_refCount.DecAndTestIfZero())      _library.unload();
     {  
         if (_library != 0)  
         {  
             System::unloadDynamicLibrary(_library);  
             _library = 0;  
         }  
     }  
 } }
  
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

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  Added in v.1.20.6.1
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