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 1.1 PEGASUS_NAMESPACE_BEGIN
 44            
 45            CMPIProviderModule::CMPIProviderModule(const String & fileName,
 46                                                   const String & interfaceName)
 47                : _fileName(fileName),
 48                _interfaceName(interfaceName),
 49                _ref_count(0),
 50                _library(0)
 51            {
 52               if (fileName[0]!='/')
 53                  _fileName=CMPIProviderManager::resolveFileName(fileName);
 54               else _fileName=fileName;
 55            }
 56            
 57            CMPIProviderModule::~CMPIProviderModule(void)
 58            {
 59            }
 60            
 61            ProviderVector CMPIProviderModule::load(const String & providerName)
 62            {
 63                _library = System::loadDynamicLibrary((const char *)_fileName.getCString());
 64 schuur 1.1 
 65                if(_library == 0)
 66                {
 67            
 68                    String s0 = "ProviderLoadFailure";
 69                    throw Exception(MessageLoaderParms("ProviderManager.CMPIProviderModule.CANNOT_LOAD_LIBRARY",
 70                        "$0 ($1:$2):Cannot load library, error: $3",
 71                        s0,
 72                        _fileName,
 73                        providerName,
 74                        System::dynamicLoadError()));
 75                }
 76            
 77                char symbolName[512];
 78                CString mName=providerName.getCString();
 79                ProviderVector miVector;
 80                memset(&miVector,0,sizeof(ProviderVector));
 81                int specificMode=0;
 82            
 83                if ((miVector.createGenInstMI=(CREATE_GEN_INST_MI)
 84                       System::loadDynamicSymbol(_library,"_Generic_Create_InstanceMI"))) {
 85 schuur 1.1        miVector.miTypes|=CMPI_MIType_Instance;
 86                   miVector.genericMode=1;
 87                }
 88            
 89                strcpy(symbolName,(const char*)mName);
 90                strcat(symbolName,"_Create_InstanceMI");
 91                if ((miVector.createInstMI=(CREATE_INST_MI)
 92                      System::loadDynamicSymbol(_library,symbolName))) {
 93                   miVector.miTypes|=CMPI_MIType_Instance;
 94                   specificMode=1;
 95                }
 96            
 97            
 98                if ((miVector.createGenAssocMI=(CREATE_GEN_ASSOC_MI)
 99                      System::loadDynamicSymbol(_library,"_Generic_Create_AssociationMI"))) {
100                   miVector.miTypes|=CMPI_MIType_Association;
101                   miVector.genericMode=1;
102                }
103            
104                strcpy(symbolName,(const char*)mName);
105                strcat(symbolName,"_Create_AssociationMI");
106 schuur 1.1     if ((miVector.createAssocMI=(CREATE_ASSOC_MI)
107                      System::loadDynamicSymbol(_library,symbolName))) {
108                   miVector.miTypes|=CMPI_MIType_Association;
109                   specificMode=1;
110                }
111            
112            
113                if ((miVector.createGenMethMI=(CREATE_GEN_METH_MI)
114                      System::loadDynamicSymbol(_library,"_Generic_Create_MethodMI"))) {
115                   miVector.miTypes|=CMPI_MIType_Method;
116                   miVector.genericMode=1;
117                }
118            
119                strcpy(symbolName,(const char*)mName);
120                strcat(symbolName,"_Create_MethodMI");
121                if ((miVector.createMethMI=(CREATE_METH_MI)
122                      System::loadDynamicSymbol(_library,symbolName))) {
123                   miVector.miTypes|=CMPI_MIType_Method;
124                   specificMode=1;
125                }
126            
127 schuur 1.1 
128                if ((miVector.createGenPropMI=(CREATE_GEN_PROP_MI)
129                      System::loadDynamicSymbol(_library,"_Generic_Create_PropertyMI"))) {
130                   miVector.miTypes|=CMPI_MIType_Property;
131                   miVector.genericMode=1;
132                }
133            
134                strcpy(symbolName,(const char*)mName);
135                strcat(symbolName,"_Create_PropertyMI");
136                if ((miVector.createPropMI=(CREATE_PROP_MI)
137                          System::loadDynamicSymbol(_library,symbolName))) {
138                   miVector.miTypes|=CMPI_MIType_Property;
139                   specificMode=1;
140                }
141            
142            
143                if ((miVector.createGenIndMI=(CREATE_GEN_IND_MI)
144                      System::loadDynamicSymbol(_library,"_Generic_Create_IndicationMI"))) {
145                   miVector.miTypes|=CMPI_MIType_Indication;
146                   miVector.genericMode=1;
147                }
148 schuur 1.1 
149                strcpy(symbolName,(const char*)mName);
150                strcat(symbolName,"_Create_IndicationMI");
151                if ((miVector.createIndMI=(CREATE_IND_MI)
152                       System::loadDynamicSymbol(_library,symbolName))) {
153                   miVector.miTypes|=CMPI_MIType_Indication;
154                   specificMode=1;
155                }
156            
157                if (miVector.miTypes==0) {
158                   throw Exception("ProviderLoadFailure "+_fileName+":"+_providerName+
159                       " Provider is a not CMPI style provider");
160                }
161            
162                if (miVector.genericMode && specificMode) {
163                   throw Exception("ProviderLoadFailure "+_fileName+":"+_providerName+
164                       " onflicting generic/specfic CMPI style provider");
165                }
166            
167            /*    // test for the appropriate interface
168                if(dynamic_cast<CIMProvider *>(provider) == 0)
169 schuur 1.1     {
170                    //l10n
171                    //String errorString = "provider is not a CIMProvider.";
172                    //throw Exception("ProviderLoadFailure (" + _fileName + ":" + providerName + "):" + errorString);
173                    String s0 = "ProviderLoadFailure";
174                    String s3 = "CIMProvider";
175                    throw Exception(MessageLoaderParms("ProviderManager.CMPIProviderModule.PROVIDER_IS_NOT_A",
176                        "$0 ($1:$2):provider is not a $3.",
177                        s0,
178                        _fileName,
179                        providerName,
180                        s3));
181                }
182            */
183                _ref_count++;
184            
185                return miVector;
186            }
187            
188            void CMPIProviderModule::unloadModule(void)
189            {
190 schuur 1.1     _ref_count--;
191            
192                if(_ref_count.value() > 0)
193                    return;
194            
195                _ref_count = 0;
196            
197                if(_library != 0)
198                {
199                    System::unloadDynamicLibrary(_library);
200                    _library = 0;
201                }
202            }
203            
204            PEGASUS_NAMESPACE_END