1 schuur 1.1 //%////////////-*-c++-*-///////////////////////////////////////////////////////////
  2            //
  3            // Copyright (c) 2000 - 2003 BMC Software, Hewlett-Packard Company, IBM,
  4            // The Open Group, Tivoli Systems
  5            //
  6            // Permission is hereby granted, free of charge, to any person obtaining a copy
  7            // of this software and associated documentation files (the "Software"), to
  8            // deal in the Software without restriction, including without limitation the
  9            // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 10            // sell copies of the Software, and to permit persons to whom the Software is
 11            // furnished to do so, subject to the following conditions:
 12            //
 13            // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 14            // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 15            // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 16            // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 17            // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 18            // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 19            // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 20            // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 21            //
 22 schuur 1.1 //==============================================================================
 23            //
 24            // Author: Chip Vincent (cvincent@us.ibm.com)
 25            //
 26            // Modified By:
 27            //      Nag Boranna, Hewlett-Packard Company(nagaraja_boranna@hp.com)
 28            //		Yi Zhou, Hewlett-Packard Company(yi_zhou@hp.com)
 29            //     Mike Day, IBM (mdday@us.ibm.com)
 30            //     Adrian Schuur, IBM (schuur@de.ibm.com)
 31            //
 32            //%/////////////////////////////////////////////////////////////////////////////
 33            
 34            #include "CMPIProviderModule.h"
 35            
 36            #include <Pegasus/Common/Destroyer.h>
 37            #include <Pegasus/Common/FileSystem.h>
 38            #include <Pegasus/Common/MessageLoader.h> //l10n
 39            #include <Pegasus/Config/ConfigManager.h>
 40            #include <Pegasus/ProviderManager2/CMPI/CMPIProvider.h>
 41            #include <Pegasus/ProviderManager2/CMPI/CMPIProviderManager.h>
 42            

 43 schuur 1.3 PEGASUS_USING_STD;

 44 schuur 1.1 PEGASUS_NAMESPACE_BEGIN
 45            
 46            CMPIProviderModule::CMPIProviderModule(const String & fileName,
 47                                                   const String & interfaceName)
 48                : _fileName(fileName),
 49                _interfaceName(interfaceName),
 50                _ref_count(0),
 51                _library(0)
 52            {
 53               if (fileName[0]!='/')
 54                  _fileName=CMPIProviderManager::resolveFileName(fileName);
 55               else _fileName=fileName;
 56            }
 57            
 58            CMPIProviderModule::~CMPIProviderModule(void)
 59            {
 60            }
 61            
 62            ProviderVector CMPIProviderModule::load(const String & providerName)
 63            {
 64                _library = System::loadDynamicLibrary((const char *)_fileName.getCString());
 65 schuur 1.1 
 66                if(_library == 0)
 67                {
 68            
 69                    String s0 = "ProviderLoadFailure";
 70                    throw Exception(MessageLoaderParms("ProviderManager.CMPIProviderModule.CANNOT_LOAD_LIBRARY",
 71                        "$0 ($1:$2):Cannot load library, error: $3",
 72                        s0,
 73                        _fileName,
 74                        providerName,
 75                        System::dynamicLoadError()));
 76                }
 77            
 78                char symbolName[512];
 79                CString mName=providerName.getCString();
 80                ProviderVector miVector;
 81                memset(&miVector,0,sizeof(ProviderVector));
 82                int specificMode=0;
 83            
 84                if ((miVector.createGenInstMI=(CREATE_GEN_INST_MI)
 85                       System::loadDynamicSymbol(_library,"_Generic_Create_InstanceMI"))) {

 86 schuur 1.2        if (miVector.createGenInstMI)
 87                     miVector.miTypes|=CMPI_MIType_Instance;

 88 schuur 1.1        miVector.genericMode=1;
 89                }
 90            
 91                strcpy(symbolName,(const char*)mName);
 92                strcat(symbolName,"_Create_InstanceMI");
 93                if ((miVector.createInstMI=(CREATE_INST_MI)
 94                      System::loadDynamicSymbol(_library,symbolName))) {

 95 schuur 1.2        if (miVector.createInstMI)
 96                      miVector.miTypes|=CMPI_MIType_Instance;

 97 schuur 1.1        specificMode=1;
 98                }
 99            
100            
101                if ((miVector.createGenAssocMI=(CREATE_GEN_ASSOC_MI)
102                      System::loadDynamicSymbol(_library,"_Generic_Create_AssociationMI"))) {

103 schuur 1.2        if (miVector.createGenAssocMI)
104                      miVector.miTypes|=CMPI_MIType_Association;

105 schuur 1.1        miVector.genericMode=1;
106                }
107            
108                strcpy(symbolName,(const char*)mName);
109                strcat(symbolName,"_Create_AssociationMI");
110                if ((miVector.createAssocMI=(CREATE_ASSOC_MI)
111                      System::loadDynamicSymbol(_library,symbolName))) {

112 schuur 1.2        if (miVector.createAssocMI)
113                     miVector.miTypes|=CMPI_MIType_Association;

114 schuur 1.1        specificMode=1;
115                }
116            
117            
118                if ((miVector.createGenMethMI=(CREATE_GEN_METH_MI)
119                      System::loadDynamicSymbol(_library,"_Generic_Create_MethodMI"))) {

120 schuur 1.2        if (miVector.createGenMethMI)
121                      miVector.miTypes|=CMPI_MIType_Method;

122 schuur 1.1        miVector.genericMode=1;
123                }
124            
125                strcpy(symbolName,(const char*)mName);
126                strcat(symbolName,"_Create_MethodMI");
127                if ((miVector.createMethMI=(CREATE_METH_MI)
128                      System::loadDynamicSymbol(_library,symbolName))) {

129 schuur 1.2        if (miVector.createMethMI)
130                      miVector.miTypes|=CMPI_MIType_Method;

131 schuur 1.1        specificMode=1;
132                }
133            
134            
135                if ((miVector.createGenPropMI=(CREATE_GEN_PROP_MI)
136                      System::loadDynamicSymbol(_library,"_Generic_Create_PropertyMI"))) {

137 schuur 1.2        if (miVector.createGenPropMI)
138                      miVector.miTypes|=CMPI_MIType_Property;

139 schuur 1.1        miVector.genericMode=1;
140                }
141            
142                strcpy(symbolName,(const char*)mName);
143                strcat(symbolName,"_Create_PropertyMI");
144                if ((miVector.createPropMI=(CREATE_PROP_MI)
145                          System::loadDynamicSymbol(_library,symbolName))) {

146 schuur 1.2        if (miVector.createPropMI)
147                      miVector.miTypes|=CMPI_MIType_Property;

148 schuur 1.1        specificMode=1;
149                }
150            
151            
152                if ((miVector.createGenIndMI=(CREATE_GEN_IND_MI)
153                      System::loadDynamicSymbol(_library,"_Generic_Create_IndicationMI"))) {

154 schuur 1.2        if (miVector.createGenIndMI)
155                      miVector.miTypes|=CMPI_MIType_Indication;

156 schuur 1.1        miVector.genericMode=1;
157                }
158            
159                strcpy(symbolName,(const char*)mName);
160                strcat(symbolName,"_Create_IndicationMI");
161                if ((miVector.createIndMI=(CREATE_IND_MI)
162                       System::loadDynamicSymbol(_library,symbolName))) {

163 schuur 1.2        if (miVector.createIndMI)
164                      miVector.miTypes|=CMPI_MIType_Indication;

165 schuur 1.1        specificMode=1;
166                }
167            
168                if (miVector.miTypes==0) {
169                   throw Exception("ProviderLoadFailure "+_fileName+":"+_providerName+
170                       " Provider is a not CMPI style provider");
171                }
172            
173                if (miVector.genericMode && specificMode) {
174                   throw Exception("ProviderLoadFailure "+_fileName+":"+_providerName+
175                       " onflicting generic/specfic CMPI style provider");
176                }
177            
178            /*    // test for the appropriate interface
179                if(dynamic_cast<CIMProvider *>(provider) == 0)
180                {
181                    //l10n
182                    //String errorString = "provider is not a CIMProvider.";
183                    //throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString);
184                    String s0 = "ProviderLoadFailure";
185                    String s3 = "CIMProvider";
186 schuur 1.1         throw Exception(MessageLoaderParms("ProviderManager.CMPIProviderModule.PROVIDER_IS_NOT_A",
187                        "$0 ($1:$2):provider is not a $3.",
188                        s0,
189                        _fileName,
190                        providerName,
191                        s3));
192                }
193            */
194                _ref_count++;
195            
196                return miVector;
197            }
198            
199            void CMPIProviderModule::unloadModule(void)
200            {
201                _ref_count--;
202            
203                if(_ref_count.value() > 0)
204                    return;
205            
206                _ref_count = 0;
207 schuur 1.1 
208                if(_library != 0)
209                {
210                    System::unloadDynamicLibrary(_library);
211                    _library = 0;
212                }
213            }
214            
215            PEGASUS_NAMESPACE_END