1 martin 1.21 //%LICENSE////////////////////////////////////////////////////////////////

 2 martin 1.22 //

 3 martin 1.21 // Licensed to The Open Group (TOG) under one or more contributor license
 4             // agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
 5             // this work for additional information regarding copyright ownership.
 6             // Each contributor licenses this file to you under the OpenPegasus Open
 7             // Source License; you may not use this file except in compliance with the
 8             // License.

 9 martin 1.22 //

10 martin 1.21 // Permission is hereby granted, free of charge, to any person obtaining a
11             // copy of this software and associated documentation files (the "Software"),
12             // to deal in the Software without restriction, including without limitation
13             // the rights to use, copy, modify, merge, publish, distribute, sublicense,
14             // and/or sell copies of the Software, and to permit persons to whom the
15             // Software is furnished to do so, subject to the following conditions:

16 martin 1.22 //

17 martin 1.21 // The above copyright notice and this permission notice shall be included
18             // in all copies or substantial portions of the Software.

19 martin 1.22 //

20 martin 1.21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

21 martin 1.22 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

22 martin 1.21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23             // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24             // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25             // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26             // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

27 martin 1.22 //

28 martin 1.21 //////////////////////////////////////////////////////////////////////////

29 chip   1.1  //
30             //%/////////////////////////////////////////////////////////////////////////////
31             
32             #include "ProviderModule.h"
33             
34             #include <Pegasus/Common/FileSystem.h>

35 kumpf  1.13 #include <Pegasus/Common/MessageLoader.h>

36 chip   1.3  

37 chip   1.1  PEGASUS_NAMESPACE_BEGIN
38             

39 kumpf  1.13 ProviderModule::ProviderModule(const String& fileName)

40 kumpf  1.18     : _library(fileName)

41 chip   1.1  {
42             }
43             

44 kumpf  1.13 ProviderModule::~ProviderModule()

45 chip   1.1  {
46             }
47             

48 kumpf  1.13 CIMProvider* ProviderModule::load(const String& providerName)

49 chip   1.1  {
50                 // dynamically load the provider library

51 kumpf  1.18     if (!_library.load())

52 chip   1.1      {

53 kumpf  1.18         throw Exception(MessageLoaderParms(
54                         "ProviderManager.ProviderModule.CANNOT_LOAD_LIBRARY",
55                         "ProviderLoadFailure ($0:$1):Cannot load library, error: $2",
56                         _library.getFileName(),
57                         providerName,
58                         _library.getLoadErrorMessage()));

59 chip   1.1      }
60             

61 kumpf  1.13     // find library entry point

62 kumpf  1.19     CIMProvider * (*createProvider)(const String&) =

63 kumpf  1.17         (CIMProvider* (*)(const String&))
64                         _library.getSymbol("PegasusCreateProvider");

65 chip   1.1  

66 kumpf  1.13     if (createProvider == 0)

67 chip   1.1      {

68 kumpf  1.18         _library.unload();

69 kumpf  1.13         throw Exception(MessageLoaderParms(
70                         "ProviderManager.ProviderModule.ENTRY_POINT_NOT_FOUND",

71 chip   1.3              "ProviderLoadFailure ($0:$1):entry point not found.",

72 kumpf  1.17             _library.getFileName(),

73 chip   1.1              providerName));
74                 }
75             
76                 // invoke the provider entry point

77 kumpf  1.17     CIMProvider* provider = createProvider(providerName);

78 chip   1.3  

79 chip   1.1      // test for the appropriate interface

80 kumpf  1.17     if (dynamic_cast<CIMProvider *>(provider) == 0)

81 chip   1.1      {

82 kumpf  1.18         _library.unload();

83 kumpf  1.13         throw Exception(MessageLoaderParms(
84                         "ProviderManager.ProviderModule.PROVIDER_IS_NOT_A",

85 chip   1.3              "ProviderLoadFailure ($0:$1):provider is not a CIMProvider.",

86 kumpf  1.17             _library.getFileName(),

87 chip   1.3              providerName));

88 chip   1.1      }

89 kumpf  1.17 

90 kumpf  1.19     return provider;

91 chip   1.1  }
92             

93 kumpf  1.13 void ProviderModule::unloadModule()

94 chip   1.1  {

95 kumpf  1.18     _library.unload();

96 chip   1.1  }
97             
98             PEGASUS_NAMESPACE_END