(file) Return to tool.c CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / ProviderManager2 / CMPIR

  1 a.dunfey 1.3.8.1 //%2006////////////////////////////////////////////////////////////////////////
  2 schuur   1.1     //
  3 martin   1.3     // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  4                  // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  5                  // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
  6 schuur   1.1     // IBM Corp.; EMC Corporation, The Open Group.
  7 martin   1.3     // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8                  // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9                  // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 10                  // EMC Corporation; VERITAS Software Corporation; The Open Group.
 11 a.dunfey 1.3.8.1 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 12                  // EMC Corporation; Symantec Corporation; The Open Group.
 13 schuur   1.1     //
 14                  // Permission is hereby granted, free of charge, to any person obtaining a copy
 15                  // of this software and associated documentation files (the "Software"), to
 16                  // deal in the Software without restriction, including without limitation the
 17                  // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 18                  // sell copies of the Software, and to permit persons to whom the Software is
 19                  // furnished to do so, subject to the following conditions:
 20 martin   1.3     // 
 21 schuur   1.1     // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 22                  // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 23                  // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 24                  // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 25                  // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 26                  // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 27                  // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 28                  // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 29                  //
 30                  //==============================================================================
 31                  //
 32                  // Author: Frank Scheffler
 33                  //
 34                  // Modified By:  Adrian Schuur (schuur@de.ibm.com)
 35 r.kieninger 1.2     //               Marek Szermutzky, IBM (mszermutzky@de.ibm.com)
 36 schuur      1.1     //
 37                     //%/////////////////////////////////////////////////////////////////////////////
 38                     
 39                     /*!
 40                       \file tool.c
 41                       \brief General tooling facility.
 42                     
 43                       This module offers general tooling methods that may be used by different
 44                       components on the CIMOM as well as on the remote side.
 45                     
 46                       \author Frank Scheffler
 47                     */
 48                     
 49                     #include <stdio.h>
 50 r.kieninger 1.2     #ifdef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM
 51                     #include <dll.h>
 52                     #include <errno.h>
 53                     #else
 54 schuur      1.1     #include <dlfcn.h>
 55 r.kieninger 1.2     #endif
 56 schuur      1.1     #include "tool.h"
 57 r.kieninger 1.2     #include "debug.h"
 58 schuur      1.1     
 59                     #define GENERIC_ENTRY_POINT(n) \
 60                             typedef CMPI##n##MI * (* GENERIC_##n##MI) ( CMPIBroker * broker, \
 61                     					            CMPIContext * ctx, \
 62                                                                         const char * provider )
 63                     #define FIXED_ENTRY_POINT(n) \
 64                             typedef CMPI##n##MI * (* FIXED_##n##MI) ( CMPIBroker * broker, \
 65                     					          CMPIContext * ctx )
 66                     
 67                     #define LOAD_MI(n) \
 68                             GENERIC_ENTRY_POINT(n); \
 69                             FIXED_ENTRY_POINT(n); \
 70                     \
 71                             CMPI##n##MI * tool_load_##n##MI ( const char * provider, \
 72                                                               void * library, \
 73                     					  CMPIBroker * broker, \
 74                     					  CMPIContext * ctx ) \
 75                     { \
 76                     	GENERIC_##n##MI g = \
 77                     		(GENERIC_##n##MI) \
 78                                      __get_generic_entry_point ( library, #n ); \
 79 schuur      1.1     \
 80                     	if ( g == NULL ) { \
 81                     		FIXED_##n##MI f = \
 82                     			(FIXED_##n##MI) \
 83                     			__get_fixed_entry_point ( provider, \
 84                     						  library, \
 85                     						  #n ); \
 86                     \
 87                     		if ( f == NULL ) return NULL; \
 88                     		return ( f ) ( broker, ctx ); \
 89                     	} \
 90                     	return ( g ) ( broker, ctx, provider ); \
 91                     }
 92                     
 93                     
 94                     /*****************************************************************************/
 95                     
 96                     //! Loads a dynamic load library.
 97                     /*!
 98                       Loads the libary named lib<libname>.so using dlopen().
 99                     
100 schuur      1.1       \param libname the library name.
101                       \return the library handle.
102                      */
103                     void * tool_load_lib ( const char * libname )
104                     {
105                       char filename[255];
106 r.kieninger 1.2       void * dllhand;
107 schuur      1.1       sprintf ( filename, "lib%s.so", libname );
108 r.kieninger 1.2       #ifndef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM
109 schuur      1.1       return dlopen ( filename, RTLD_LAZY );
110 r.kieninger 1.2       #else
111                     	dllhand = (void *) dllload ( filename );
112                     	if (dllhand == 0) TRACE_CRITICAL( ("Trying to load library: %s failed with %s\n", libname, strerror(errno)) );
113                         return dllhand;
114                       #endif
115 schuur      1.1     }
116                     
117                     
118                     static void * __get_generic_entry_point ( void * library,
119                     					  const char * ptype )
120                     {
121                     	char entry_point[255];
122 r.kieninger 1.2     	void * dll_entry;
123 schuur      1.1     	sprintf ( entry_point, "_Generic_Create_%sMI", ptype );
124                     
125 r.kieninger 1.2         #ifndef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM
126 schuur      1.1     	return dlsym ( library, entry_point );
127 r.kieninger 1.2         #else
128                     		dll_entry = (void*) dllqueryfn ( (dllhandle *) library, entry_point );
129                     		if (dll_entry == 0) TRACE_CRITICAL((stderr,"Getting generic entry point: %s failed with %s\n", entry_point, strerror(errno)));
130                     		return dll_entry;
131                         #endif
132 schuur      1.1     }
133                     
134                     
135                     static void * __get_fixed_entry_point ( const char * provider,
136                     					void * library,
137                     					const char * ptype )
138                     {
139                     	char entry_point[255];
140 r.kieninger 1.2     	void * dll_entry;
141 schuur      1.1     	sprintf ( entry_point, "%s_Create_%sMI", provider, ptype );
142                     
143 r.kieninger 1.2         #ifndef PEGASUS_PLATFORM_ZOS_ZSERIES_IBM
144 schuur      1.1     	return dlsym ( library, entry_point );
145 r.kieninger 1.2         #else
146                     		dll_entry = (void*)dllqueryfn ( (dllhandle*) library, entry_point );
147                     		if (dll_entry == 0) TRACE_CRITICAL((stderr,"Getting fixed entry point: %s failed with %s\n", entry_point, strerror(errno)));
148                     		return dll_entry;
149                         #endif
150 schuur      1.1     }
151                     
152                     
153                     LOAD_MI(Instance);
154                     LOAD_MI(Association);
155                     LOAD_MI(Method);
156                     LOAD_MI(Property);
157                     LOAD_MI(Indication);
158                     
159                     
160                     /****************************************************************************/
161                     
162                     /*** Local Variables:  ***/
163                     /*** mode: C           ***/
164                     /*** c-basic-offset: 8 ***/
165                     /*** End:              ***/

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