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

  1 kumpf 1.1 //%2003////////////////////////////////////////////////////////////////////////
  2           //
  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           // IBM Corp.; EMC Corporation, The Open Group.
  7           //
  8           // Permission is hereby granted, free of charge, to any person obtaining a copy
  9           // of this software and associated documentation files (the "Software"), to
 10           // deal in the Software without restriction, including without limitation the
 11           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 12           // sell copies of the Software, and to permit persons to whom the Software is
 13           // furnished to do so, subject to the following conditions:
 14           //
 15           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 16           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 17           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 18           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 19           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 20           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 21           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 22 kumpf 1.1 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 23           //
 24           //==============================================================================
 25           //
 26           // Author: Chip Vincent (cvincent@us.ibm.com)
 27           //         Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com)
 28           //
 29           // Modified By:
 30           //
 31           //%/////////////////////////////////////////////////////////////////////////////
 32           
 33           #include "BasicProviderManagerRouter.h"
 34           
 35           #include <Pegasus/Common/Config.h>
 36           #include <Pegasus/Common/CIMMessage.h>
 37           #include <Pegasus/Common/Tracer.h>
 38           #include <Pegasus/ProviderManager2/OperationResponseHandler.h>
 39           #include <Pegasus/ProviderManager2/ProviderManagerModule.h>
 40           #include <Pegasus/ProviderManager2/ProviderManager.h>
 41           
 42           // ProviderManager library names.  Should these be defined elsewhere?
 43 kumpf 1.1 #if defined(PEGASUS_OS_OS400)
 44           # define LIBRARY_NAME_DEFAULTPM "QSYS/QYCMDFTPVM"
 45           # define LIBRARY_NAME_CMPIPM    "QSYS/QYCMCMPIPM"
 46           # define LIBRARY_NAME_JMPIPM    "QSYS/QYCMJMPIPM"
 47           #else
 48           # define LIBRARY_NAME_DEFAULTPM "DefaultProviderManager"
 49           # define LIBRARY_NAME_CMPIPM    "CMPIProviderManager"
 50           # define LIBRARY_NAME_JMPIPM    "JMPIProviderManager"
 51           #endif
 52           
 53           PEGASUS_NAMESPACE_BEGIN
 54           
 55           // BEGIN TEMP SECTION
 56           class ProviderManagerContainer
 57           {
 58           public:
 59               ProviderManagerContainer()
 60               : _manager(0)
 61               {
 62               }
 63           
 64 kumpf 1.1     ProviderManagerContainer(const ProviderManagerContainer & container)
 65               : _manager(0)
 66               {
 67                   *this = container;
 68               }
 69           
 70               ProviderManagerContainer(
 71                   const String& physicalName,
 72                   const String& logicalName,
 73                   const String& interfaceName,
 74                   PEGASUS_INDICATION_CALLBACK indicationCallback)
 75               : _manager(0)
 76               {
 77                   _physicalName = ProviderManager::_resolvePhysicalName(physicalName);
 78           
 79                   _logicalName = logicalName;
 80                   _interfaceName = interfaceName;
 81           
 82                   _module = ProviderManagerModule(_physicalName);
 83                   _module.load();
 84           
 85 kumpf 1.1         _manager = _module.getProviderManager(_logicalName);
 86                   PEGASUS_ASSERT(_manager != 0);
 87           
 88                   _manager->setIndicationCallback(indicationCallback);
 89               }
 90           
 91               ~ProviderManagerContainer()
 92               {
 93                   _module.unload();
 94               }
 95           
 96               ProviderManagerContainer& operator=(
 97                   const ProviderManagerContainer & container)
 98               {
 99                   if (this == &container)
100                   {
101                       return *this;
102                   }
103           
104                   _logicalName = container._logicalName;
105                   _physicalName = container._physicalName;
106 kumpf 1.1         _interfaceName = container._interfaceName;
107           
108                   _module = container._module;
109                   _manager = container._manager;
110           
111                   return *this;
112               }
113           
114               ProviderManager* getProviderManager()
115               {
116                   return _manager;
117               }
118           
119               const String& getPhysicalName() const
120               {
121                   return _physicalName;
122               }
123           
124               const String& getLogicalName() const
125               {
126                   return _logicalName;
127 kumpf 1.1     }
128           
129               const String& getInterfaceName() const
130               {
131                   return _interfaceName;
132               }
133           
134           private:
135               String _physicalName;
136               String _logicalName;
137               String _interfaceName;
138           
139               ProviderManagerModule _module;
140               ProviderManager* _manager;
141           };
142           // END TEMP SECTION
143           
144           
145           PEGASUS_INDICATION_CALLBACK BasicProviderManagerRouter::_indicationCallback = 0;
146           
147           // Private, unimplemented constructor
148 kumpf 1.1 BasicProviderManagerRouter::BasicProviderManagerRouter()
149           {
150           }
151           
152           BasicProviderManagerRouter::BasicProviderManagerRouter(
153               PEGASUS_INDICATION_CALLBACK indicationCallback)
154           {
155               PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
156                   "BasicProviderManagerRouter::BasicProviderManagerRouter");
157           
158               _indicationCallback = indicationCallback;
159           
160               PEG_METHOD_EXIT();
161           }
162           
163           BasicProviderManagerRouter::~BasicProviderManagerRouter()
164           {
165               PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
166                   "BasicProviderManagerRouter::~BasicProviderManagerRouter");
167               PEG_METHOD_EXIT();
168           }
169 kumpf 1.1 
170           Message* BasicProviderManagerRouter::processMessage(Message * message)
171           {
172               PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
173                   "BasicProviderManagerRouter::processMessage");
174           
175               CIMRequestMessage* request = dynamic_cast<CIMRequestMessage *>(message);
176               PEGASUS_ASSERT(request != 0);
177           
178               Message* response = 0;
179           
180               //
181               // Retrieve the ProviderManager routing information
182               //
183           
184               CIMInstance providerModule;
185           
186               if ((dynamic_cast<CIMOperationRequestMessage*>(request) != 0) ||
187 kumpf 1.4         (request->getType() == CIM_EXPORT_INDICATION_REQUEST_MESSAGE) ||
188           	(request->getType() == CIM_INITIALIZE_PROVIDER_REQUEST_MESSAGE))
189 kumpf 1.1     {
190                   // Provider information is in OperationContext
191                   ProviderIdContainer pidc = (ProviderIdContainer)
192                       request->operationContext.get(ProviderIdContainer::NAME);
193                   providerModule = pidc.getModule();
194               }
195               else if (dynamic_cast<CIMIndicationRequestMessage*>(request) != 0)
196               {
197                   // Provider information is in CIMIndicationRequestMessage
198                   CIMIndicationRequestMessage* indReq =
199                       dynamic_cast<CIMIndicationRequestMessage*>(request);
200                   providerModule = indReq->providerModule;
201               }
202               else if (request->getType() == CIM_ENABLE_MODULE_REQUEST_MESSAGE)
203               {
204                   // Provider information is in CIMEnableModuleRequestMessage
205                   CIMEnableModuleRequestMessage* emReq =
206                       dynamic_cast<CIMEnableModuleRequestMessage*>(request);
207                   providerModule = emReq->providerModule;
208               }
209               else if (request->getType() == CIM_DISABLE_MODULE_REQUEST_MESSAGE)
210 kumpf 1.1     {
211                   // Provider information is in CIMDisableModuleRequestMessage
212                   CIMDisableModuleRequestMessage* dmReq =
213                       dynamic_cast<CIMDisableModuleRequestMessage*>(request);
214                   providerModule = dmReq->providerModule;
215               }
216               else if (request->getType() == CIM_STOP_ALL_PROVIDERS_REQUEST_MESSAGE)
217               {
218                   // This operation is not provider-specific
219               }
220               else
221               {
222                   // Error: Unrecognized message type.
223                   PEGASUS_ASSERT(0);
224                   CIMResponseMessage* resp = new CIMResponseMessage(
225                       0, request->messageId, CIMException(),
226                       request->queueIds.copyAndPop());
227                   resp->synch_response(request);
228                   OperationResponseHandler handler(request, resp);
229                   handler.setStatus(CIM_ERR_FAILED, "Unknown message type.");
230                   response = resp;
231 kumpf 1.1     }
232           
233               //
234               // Forward the request to the appropriate ProviderManager(s)
235               //
236           
237               if (request->getType() == CIM_STOP_ALL_PROVIDERS_REQUEST_MESSAGE)
238               {
239                   // Send CIMStopAllProvidersRequestMessage to all ProviderManagers
240                   for (Uint32 i = 0, n = _providerManagerTable.size(); i < n; i++)
241                   {
242                       ProviderManagerContainer* pmc=_providerManagerTable[i];
243                       Message* resp = pmc->getProviderManager()->processMessage(request);
244                       if (resp)
245                       {
246 kumpf 1.3                 delete resp;
247 kumpf 1.1             }
248                   }
249 kumpf 1.3 
250                   response = new CIMStopAllProvidersResponseMessage(
251                       request->messageId,
252                       CIMException(),
253                       request->queueIds.copyAndPop());
254 kumpf 1.1     }
255               else
256               {
257                   // Retrieve the provider interface type
258                   String interfaceType;
259                   CIMValue itValue = providerModule.getProperty(
260                       providerModule.findProperty("InterfaceType")).getValue();
261                   itValue.get(interfaceType);
262           
263                   // Look up the appropriate ProviderManager by InterfaceType
264                   ProviderManager* pm = _lookupProviderManager(interfaceType);
265                   response = pm->processMessage(request);
266               }
267           
268               // preserve message key
269               response->setKey(request->getKey());
270           
271               // set HTTP method in response from request
272               response->setHttpMethod(request->getHttpMethod());
273           
274               PEG_METHOD_EXIT();
275 kumpf 1.1     return response;
276           }
277           
278           // ATTN: May need to add interfaceVersion parameter to further constrain lookup
279           ProviderManager* BasicProviderManagerRouter::_lookupProviderManager(
280               const String& interfaceType)
281           {
282               PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
283                   "BasicProviderManagerRouter::_lookupProviderManager");
284           
285               //
286               // Search for this InterfaceType in the table of loaded ProviderManagers
287               //
288               {
289                   ReadLock tableLock(_providerManagerTableLock);
290           
291                   // find provider manager for specified provider interface type
292                   for(Uint32 i = 0, n = _providerManagerTable.size(); i < n; i++)
293                   {
294                       if (interfaceType == _providerManagerTable[i]->getInterfaceName())
295                       {
296 kumpf 1.1                 ProviderManagerContainer* pmc=_providerManagerTable[i];
297                           PEG_METHOD_EXIT();
298                           return pmc->getProviderManager();
299                       }
300                   }
301               }
302           
303               //
304               // Load the ProviderManager for this InterfaceType and add it to the table
305               //
306               {
307                   WriteLock tableLock(_providerManagerTableLock);
308           
309                   // ATTN: this section is a temporary solution to populate the list of
310                   // enabled provider managers for a given distribution.  It includes
311                   // another temporary solution for converting a generic file name into
312                   // a file name useable by each platform.
313           
314           #if defined(ENABLE_DEFAULT_PROVIDER_MANAGER)
315                   if (interfaceType == "C++Default")
316                   {
317 kumpf 1.1             ProviderManagerContainer* pmc = new ProviderManagerContainer(
318                           LIBRARY_NAME_DEFAULTPM, "DEFAULT", "C++Default",
319                           _indicationCallback);
320                       _providerManagerTable.append(pmc);
321                       return pmc->getProviderManager();
322                   }
323           #endif
324           
325           #if defined(ENABLE_CMPI_PROVIDER_MANAGER)
326                   if (interfaceType == "CMPI")
327                   {
328                       ProviderManagerContainer* pmc = new ProviderManagerContainer(
329                           LIBRARY_NAME_CMPIPM, "CMPI", "CMPI", _indicationCallback);
330                       _providerManagerTable.append(pmc);
331                       return pmc->getProviderManager();
332                   }
333           #endif
334           
335           #if defined(ENABLE_JMPI_PROVIDER_MANAGER)
336                   if (interfaceType == "JMPI")
337                   {
338 kumpf 1.1             ProviderManagerContainer* pmc = new ProviderManagerContainer(
339                           LIBRARY_NAME_JMPIPM, "JMPI", "JMPI", _indicationCallback);
340                       _providerManagerTable.append(pmc);
341                       return pmc->getProviderManager();
342                   }
343           #endif
344                   // END TEMP SECTION
345               }
346           
347               // Error: ProviderManager not found for the specified interface type
348               PEGASUS_ASSERT(0);
349               PEG_METHOD_EXIT();
350               return 0;
351           }
352           
353           void BasicProviderManagerRouter::unload_idle_providers(void)
354           {
355               PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
356                   "BasicProviderManagerRouter::unload_idle_providers");
357           
358               for(Uint32 i = 0, n = _providerManagerTable.size(); i < n; i++)
359 kumpf 1.1     {
360                   ProviderManagerContainer* pmc = _providerManagerTable[i];
361                   pmc->getProviderManager()->unload_idle_providers();
362               }
363           
364               PEG_METHOD_EXIT();
365           }
366           
367           PEGASUS_NAMESPACE_END

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