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

  1 karl  1.33 //%2006////////////////////////////////////////////////////////////////////////
  2 schuur 1.1  //
  3 karl   1.12 // 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             // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8             // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9 karl   1.16 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 10             // EMC Corporation; VERITAS Software Corporation; The Open Group.
 11 karl   1.33 // 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 karl   1.16 // 
 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             //%/////////////////////////////////////////////////////////////////////////////
 33             
 34 schuur 1.10 #include "CMPI_Version.h"
 35             
 36 schuur 1.1  #include <Pegasus/Common/Constants.h>
 37 mike   1.38 #include <Pegasus/Common/Time.h>
 38 schuur 1.1  #include <Pegasus/Common/Tracer.h>
 39             #include <Pegasus/Common/PegasusVersion.h>
 40             
 41 konrad.r 1.26 #include <Pegasus/Common/MessageLoader.h>
 42               
 43 schuur   1.1  #include <Pegasus/ProviderManager2/CMPI/CMPIProvider.h>
 44               #include <Pegasus/ProviderManager2/CMPI/CMPIProviderModule.h>
 45 konrad.r 1.30 #include <Pegasus/ProviderManager2/CMPI/CMPILocalProviderManager.h>
 46 kumpf    1.9  
 47 schuur   1.3  PEGASUS_USING_STD;
 48 schuur   1.1  PEGASUS_NAMESPACE_BEGIN
 49 konrad.r 1.27 #define DDD(X)   if (_cmpi_trace) X;
 50               
 51               extern int _cmpi_trace;
 52               
 53 schuur   1.8  #undef IDLE_LIMIT
 54               #define IDLE_LIMIT 50
 55 konrad.r 1.30 
 56               /* Thread deletion specific */
 57               Semaphore CMPILocalProviderManager::_pollingSem(0);
 58               AtomicInt CMPILocalProviderManager::_stopPolling(0);
 59               Thread *CMPILocalProviderManager::_reaperThread = 0;
 60 mike     1.38 List<CMPILocalProviderManager::cleanupThreadRecord,Mutex> CMPILocalProviderManager::_finishedThreadList;
 61               Mutex CMPILocalProviderManager::_reaperMutex;
 62 konrad.r 1.30 
 63 konrad.r 1.24   CMPILocalProviderManager::CMPILocalProviderManager (void):
 64               _idle_timeout (IDLE_LIMIT)
 65 r.kieninger 1.14 {
 66 schuur      1.1  }
 67                  
 68 konrad.r    1.24 CMPILocalProviderManager::~CMPILocalProviderManager (void)
 69 r.kieninger 1.14 {
 70 konrad.r    1.24   Uint32 ccode;
 71 dj.gorey    1.6  
 72 konrad.r    1.24   _provider_ctrl (UNLOAD_ALL_PROVIDERS, this, &ccode);
 73                    // Since all of the providers are deleted we can delete the 
 74                    //  modules too.
 75                    for (ModuleTable::Iterator j = _modules.start (); j != 0; j++)
 76                      {
 77                        CMPIProviderModule *module = j.value ();
 78                        delete module;
 79                      }
 80 konrad.r    1.30 
 81                    if (_reaperThread) 
 82                      {
 83                  		AutoMutex lock(_reaperMutex);
 84                    		_stopPolling++;
 85                    		_pollingSem.signal();
 86                    		// Wait until it finishes itself.
 87                   		_reaperThread->join(); 
 88                    		delete _reaperThread; 
 89                  		_reaperThread = 0;
 90                    	}
 91                   PEGASUS_ASSERT(_finishedThreadList.size() == 0);
 92                  
 93 schuur      1.1  }
 94                  
 95 konrad.r    1.24 Sint32
 96                  CMPILocalProviderManager::_provider_ctrl (CTRL code, void *parm, void *ret)
 97 r.kieninger 1.14 {
 98 r.kieninger 1.13 
 99 konrad.r    1.24   static Uint32 quantum;
100                    PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "_provider_ctrl");
101 r.kieninger 1.13 
102 konrad.r    1.24   Sint32 ccode = 0;
103                    CTRL_STRINGS *parms = reinterpret_cast < CTRL_STRINGS * >(parm);
104 r.kieninger 1.13 
105 konrad.r    1.24   switch (code)
106 r.kieninger 1.14     {
107                  
108                      case GET_PROVIDER:
109 konrad.r    1.24       {
110 r.kieninger 1.14 
111 konrad.r    1.24         PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
112                                            "_provider_ctrl::GET_PROVIDER");
113 r.kieninger 1.14 
114 konrad.r    1.24         String providerName = *(parms->providerName);
115                          String moduleFileName = *(parms->fileName);
116                          String location = *(parms->location);
117 r.kieninger 1.14 
118 konrad.r    1.24         CMPIProvider *pr = 0;
119                          CMPIProvider::OpProviderHolder * ph =
120                            reinterpret_cast < CMPIProvider::OpProviderHolder * >(ret);
121 r.kieninger 1.14 
122 konrad.r    1.24         pr = _lookupProvider (providerName);
123 r.kieninger 1.15 
124 konrad.r    1.24         if (pr->getStatus () != CMPIProvider::INITIALIZED)
125                            {
126                              pr->setLocation (location);
127                              _initProvider (pr, moduleFileName);
128 r.kieninger 1.13 
129 konrad.r    1.24             if (pr->getStatus () != CMPIProvider::INITIALIZED)
130                                {
131                                  PEG_METHOD_EXIT ();
132                                  throw PEGASUS_CIM_EXCEPTION (CIM_ERR_FAILED,
133                                                               "provider initialization failed");
134                                }
135                            }
136 r.kieninger 1.13 
137                  
138 konrad.r    1.24         PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
139                                            "Returning Provider" + providerName);
140 schuur      1.1  
141 r.kieninger 1.15 
142 konrad.r    1.24         ph->SetProvider (pr);
143                          ph->GetProvider ().update_idle_timer ();
144                          break;
145                        }
146 r.kieninger 1.14 
147                      case UNLOAD_PROVIDER:
148 konrad.r    1.24       {
149                  
150                          PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
151                                            "_provider_ctrl::UNLOAD_PROVIDER");
152 konrad.r    1.30         CMPIProvider *pr = 0;
153                  	pr = _lookupProvider (*(parms->providerName));
154 konrad.r    1.24         if ((pr->getStatus () == CMPIProvider::INITIALIZED))
155                            {
156 r.kieninger 1.14 
157 konrad.r    1.24             PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
158 konrad.r    1.26                               "Unloading CMPIProvider: " + pr->getName());
159 r.kieninger 1.14 
160 konrad.r    1.24             AutoMutex lock (_providerTableMutex);
161                              // The provider table must be locked before unloading. 
162                              _providers.remove (pr->_name);
163                              _unloadProvider (pr);
164                              delete pr;
165 r.kieninger 1.14 
166 konrad.r    1.24           }
167 konrad.r    1.25 	    else {
168                  			// No need to have a memory leak.
169 konrad.r    1.29 			_providers.remove(pr->_name);
170 konrad.r    1.25 			delete pr;
171                  		}
172 konrad.r    1.24         break;
173                        }
174 schuur      1.1  
175 r.kieninger 1.14     case LOOKUP_PROVIDER:
176 konrad.r    1.24       {
177                  
178                          PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
179                                            "_provider_ctrl::LOOKUP_PROVIDER");
180 schuur      1.1  
181 konrad.r    1.24         AutoMutex lock (_providerTableMutex);
182 schuur      1.1  
183 konrad.r    1.24         if (true == _providers.lookup (*(parms->providerName),
184                                                         *(reinterpret_cast <
185                                                           CMPIProvider * *>(ret))))
186                            {
187                              PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
188                                                "Found CMPIProvider in cache: " +
189                                                *(parms->providerName));
190                  
191                              (*(reinterpret_cast < CMPIProvider * *>(ret)))->
192                                update_idle_timer ();
193                            }
194                          else
195                            {
196                  
197                              PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
198                                                "Could not find  CMPIProvider in cache: " +
199                                                *(parms->providerName));
200                              ccode = -1;
201                            }
202 dj.gorey    1.6  
203 konrad.r    1.24         break;
204                        }
205 schuur      1.1  
206 konrad.r    1.24     case LOOKUP_MODULE:
207                        {
208 schuur      1.1  
209 konrad.r    1.24         PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
210                                            "_provider_ctrl::LOOKUP_MODULE");
211 schuur      1.1  
212 konrad.r    1.24         AutoMutex lock (_providerTableMutex);
213 schuur      1.1  
214 konrad.r    1.24         if (false == _modules.lookup (*(parms->fileName),
215                                                        *(reinterpret_cast <
216                                                          CMPIProviderModule * *>(ret))))
217                            {
218                              PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
219                                                "Could not find  CMPIProvider Module in cache: "
220                                                + *(parms->fileName));
221                              ccode = -1;
222                            }
223 schuur      1.1  
224 konrad.r    1.24         break;
225                        }
226 schuur      1.1  
227 konrad.r    1.24     case INSERT_PROVIDER:
228                        {
229 r.kieninger 1.14 
230 konrad.r    1.24         PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
231                                            "_provider_ctrl::INSERT_PROVIDER");
232 schuur      1.1  
233 konrad.r    1.24         AutoMutex lock (_providerTableMutex);
234 konrad.r    1.26 	
235 konrad.r    1.24         if (false == _providers.insert (*(parms->providerName),
236                                                          *reinterpret_cast <
237                                                          CMPIProvider * *>(parm)))
238                            ccode = -1;
239                          break;
240                        }
241                      case INSERT_MODULE:
242                        {
243                          PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
244                                            "_provider_ctrl::INSERT_MODULE");
245                          AutoMutex lock (_providerTableMutex);
246                          if (false == _modules.insert (*(parms->fileName),
247                                                        *reinterpret_cast <
248                                                        CMPIProviderModule * *>(parm)))
249                            ccode = -1;
250                          break;
251                        }
252 schuur      1.1  
253 konrad.r    1.24     case UNLOAD_ALL_PROVIDERS:
254                        {
255                          PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
256                                            "_provider_ctrl::UNLOAD_ALL_PROVIDERS");
257                          CMPILocalProviderManager *myself =
258                            reinterpret_cast < CMPILocalProviderManager * >(parm);
259                          CMPIProvider *provider = 0;
260                          // Locked provider mutex.
261                          AutoMutex lock (_providerTableMutex);
262 dj.gorey    1.6  
263 konrad.r    1.24         Tracer::trace (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
264                                         "providers in cache = %d", myself->_providers.size ());
265                          ProviderTable::Iterator i = myself->_providers.start ();
266                          try
267                          {
268                            for (; i != 0; i++)
269                              {
270 r.kieninger 1.15 
271 konrad.r    1.24               provider = i.value ();
272                                PEGASUS_ASSERT (provider != 0);
273                                if (provider->getStatus () == CMPIProvider::UNINITIALIZED)
274                                  {
275                                    // Delete the skeleton.
276 konrad.r    1.30 		delete provider;
277 konrad.r    1.24                   continue;
278                                  }
279                                else
280                                  {
281                                    _unloadProvider (provider);
282                                    delete provider;
283                                  }
284                              }
285                            // All the providers are removed. Clear the hash-table
286                            _providers.clear ();
287 r.kieninger 1.14         }
288 konrad.r    1.24         catch (...)
289 r.kieninger 1.14         {
290 konrad.r    1.24           PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
291                                              "Unexpected Exception in UNLOAD_ALL_PROVIDERS.");
292 r.kieninger 1.14         }
293 konrad.r    1.24         break;
294                        }
295                      case UNLOAD_IDLE_PROVIDERS:
296                        {
297                          PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
298                                            "_provider_ctrl::UNLOAD_IDLE_PROVIDERS");
299                          AutoMutex lock (_providerTableMutex);
300                  
301                          quantum++;
302                          CMPILocalProviderManager *myself =
303                            reinterpret_cast < CMPILocalProviderManager * >(parm);
304 kumpf       1.32         CMPIProvider *provider = 0;
305 konrad.r    1.24         Uint32 numProviders = myself->_providers.size ();
306                  
307                          if (numProviders)
308                            {
309                              // Rather than removing the provider immediately while
310                              // iterating through the list we remember all candidates
311                              // for unload in a simple array.
312                              CMPIProvider **unloadProviderArray =
313                                new CMPIProvider *[numProviders];
314                              Uint32 upaIndex = 0;
315 r.kieninger 1.15 
316 r.kieninger 1.14             try
317                              {
318 konrad.r    1.24               struct timeval now;
319 mike        1.38               Time::gettimeofday (&now);
320 konrad.r    1.24               ProviderTable::Iterator i = myself->_providers.start ();
321                  
322                                for (; i != 0; i++)
323 r.kieninger 1.14                 {
324 konrad.r    1.24                   provider = i.value ();
325                                    PEGASUS_ASSERT (provider != 0);
326                  
327                                    if (provider->getStatus () == CMPIProvider::UNINITIALIZED)
328 r.kieninger 1.14                     {
329 konrad.r    1.24                       continue;
330 r.kieninger 1.14                     }
331 konrad.r    1.24 
332                                    if (provider->_quantum == quantum)
333 r.kieninger 1.14                     {
334 konrad.r    1.24                       continue;
335 r.kieninger 1.14                     }
336 r.kieninger 1.15 
337 konrad.r    1.24                   provider->_quantum = quantum;
338                  
339 mike        1.31                   if (provider->_current_operations.get ())
340 konrad.r    1.24                     {
341                                        PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
342                                                          "CMPIProvider has pending operations: "
343                                                          + provider->getName ());
344 r.kieninger 1.14 
345 konrad.r    1.24                       continue;
346 r.kieninger 1.15                     }
347 r.kieninger 1.14 
348 konrad.r    1.24                   PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
349                                                      "Checking timeout data for CMPIProvider: "
350                                                      + provider->getName ());
351                                    struct timeval timeout = { 0, 0 };
352                                    provider->get_idle_timer (&timeout);
353                  
354                                    PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
355                                                      " provider->unload_ok() returns: " +
356                                                      provider->unload_ok ()? "true" : "false");
357                  
358                                    if (provider->unload_ok () == true &&
359                                        (now.tv_sec - timeout.tv_sec) >
360                                        ((Sint32) myself->_idle_timeout))
361                                      {
362                                        // Remember this provider to be unloaded
363                                        unloadProviderArray[upaIndex] = provider;
364                                        upaIndex++;
365 r.kieninger 1.14                     }
366 konrad.r    1.24                   //else cout<<"--- NOT unloaded: "+ provider->getName()<<endl;
367 r.kieninger 1.14                 }
368 konrad.r    1.24 
369                                // Now finally we unload all providers that we identified as
370                                // candidates above.
371                                for (Uint32 index = 0; index < upaIndex; index++)
372                                  {
373                                    PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
374                                                      "Now trying to unload CMPIProvider " +
375                                                      provider->getName ());
376                                    CMPIProvider *provider = unloadProviderArray[index];
377                  
378 dave.sudlik 1.39                   {
379                                        // lock the provider mutex
380                  
381                                        AutoMutex pr_lock (provider->_statusMutex);
382 konrad.r    1.24 
383 dave.sudlik 1.39                       if (provider->tryTerminate () == false)
384                                          {
385                                            // provider not unloaded -- we are respecting this!
386                                            PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
387                                                              "Provider refused to unload: " +
388                                                              unloadProviderArray[index]->getName());
389                                            continue;
390                                          }
391                  
392                                        PEGASUS_ASSERT (provider->_module != 0);
393                  
394                                        // unload provider module
395                                        provider->_module->unloadModule ();
396                                        Logger::put (Logger::STANDARD_LOG, System::CIMSERVER,
397                                                     Logger::TRACE,
398                                                     "CMPILocalProviderManager::_provider_crtl -  Unload provider $0",
399                                                     provider->getName ());
400 konrad.r    1.24 
401 dave.sudlik 1.42                       // Note: The deleting of the cimom handle is being
402                                        // moved after the call to unloadModule() based on
403                                        // a previous fix for bug 3669 and consistency with
404                                        // other provider managers. Do not move it back before
405                                        // the call to unloadModule().
406                                        PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
407                                                          "Destroying CMPIProvider's CIMOM Handle "
408                                                          + provider->getName());
409                                        delete provider->_cimom_handle;
410                  
411 dave.sudlik 1.39                       // set provider status to UNINITIALIZED
412                                        provider->reset ();
413 mark.hamzy  1.28                   }
414 r.kieninger 1.14                 }
415 konrad.r    1.24             }
416                              catch (...)
417                              {
418                                PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
419                                                  "Unexpected Exception in UNLOAD_IDLE_PROVIDERS.");
420                              }
421 dave.sudlik 1.42             delete [] unloadProviderArray;
422 konrad.r    1.24           }                     // if there are any providers
423                          break;
424                        }
425 r.kieninger 1.14 
426                      default:
427 konrad.r    1.24       ccode = -1;
428                        break;
429 r.kieninger 1.14     }
430 konrad.r    1.24   PEG_METHOD_EXIT ();
431                    return (ccode);
432 schuur      1.1  }
433                  
434 konrad.r    1.30 
435                  
436                  /*
437                   * The reaper function polls out the threads from the global list (_finishedThreadList), 
438                   * joins them deletes them, and removes them from the CMPIProvider specific list.
439                   */
440 mike        1.38 ThreadReturnType PEGASUS_THREAD_CDECL CMPILocalProviderManager::_reaper(void *parm)
441 konrad.r    1.30 {
442                    Thread *myself = reinterpret_cast<Thread *>(parm);
443                    do { 
444                        	_pollingSem.wait();
445                  	    // All of the threads are finished working. We just need to reap 'em
446                  		cleanupThreadRecord *rec = 0;
447                  
448                  		while (_finishedThreadList.size() >0 )
449                  		{
450                  		    // Pull of the the threads from the global list.
451 mike        1.35 			rec = _finishedThreadList.remove_front();
452 konrad.r    1.30 			DDD(cerr << "Reaping the thread " << rec->thread << " from " << rec->provider->getName() << endl);
453                  			rec->thread->join();
454 mike        1.35 
455                  			// Remove the thread for the CMPIProvider.
456 dave.sudlik 1.34 	 		rec->provider->threadDelete(rec->thread);
457 mike        1.35 
458                  			// Delete the thread.
459 konrad.r    1.30 			delete rec->thread;
460                  			delete rec;
461                  		}
462                      }
463 mike        1.31   while (_stopPolling.get() == 0);
464 mike        1.38   myself->exit_self( (ThreadReturnType) 0);
465 konrad.r    1.30   return (0);
466                  }
467                   /*
468                    // Cleanup the thread and upon deletion of it, call the CMPIProvider' "threadDeleted".
469                    // to not, all the CMPIProvider '
470                    // Note that this function is called from the thread that finished with
471                    // running the providers function, and returns immediately while scheduling the
472                    // a cleanup procedure. If you want to wait until the thread is truly deleted,
473                    // call 'waitUntilThreadsDone' - but DO NOT do it in the the thread that
474                    // the Thread owns - you will wait forever.
475                    //
476                    // @argument t Thread that is not NULL and finished with running the provider function.
477                    // @argument p CMPIProvider in which the 't' Thread was running.
478                    */
479                  void 
480                  CMPILocalProviderManager::cleanupThread(Thread *t, CMPIProvider *p)
481                  {
482                  	PEGASUS_ASSERT( t != 0 && p != 0 );
483                  
484                  	PEGASUS_ASSERT ( p->isThreadOwner(t) );
485                    	// The mutex guards against a race condition for _reaperThread creation.
486 konrad.r    1.30   	AutoMutex lock(_reaperMutex);
487                  
488                      // Put the Thread and the CMPIProvider on the global list.
489                  	cleanupThreadRecord *record = new cleanupThreadRecord(t, p);
490 mike        1.35 	_finishedThreadList.insert_back(record);
491 konrad.r    1.30 
492                    	if (_reaperThread == 0)
493                      {
494                        _reaperThread = new Thread(_reaper, NULL, false);
495                        ThreadStatus rtn = PEGASUS_THREAD_OK;
496                        while ( (rtn = _reaperThread->run()) != PEGASUS_THREAD_OK)
497                        {
498                  		if (rtn == PEGASUS_THREAD_INSUFFICIENT_RESOURCES)
499 mike        1.38 	 		Threads::yield();
500 konrad.r    1.30 		else
501                  	    {
502                  			PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2, \
503                                  "Could not allocate thread to take care of deleting user threads. ");
504                  			delete _reaperThread; _reaperThread = 0;
505                  			return;
506                  	    }		
507                        }
508                      }/*
509                    Tracer::trace(TRC_PROVIDERMANAGER, Tracer::LEVEL2, \
510                  			"Cleaning up provider thread (%p) from provider %s.", 
511                  			t, (const char *)p->getName().getCString());*/
512                    // Wake up the reaper.
513                    _pollingSem.signal();
514                  
515                  }
516                  
517 konrad.r    1.24 CMPIProvider::OpProviderHolder CMPILocalProviderManager::
518                  getRemoteProvider (const String & location, const String & providerName)
519                  {
520                    CMPIProvider::OpProviderHolder ph;
521                    CTRL_STRINGS
522                      strings;
523                    Sint32
524                      ccode;
525                    const String
526                    proxy ("CMPIRProxyProvider");
527                  
528                    String
529                    rproviderName ("R");
530                    PEG_METHOD_ENTER (TRC_PROVIDERMANAGER,
531                                      "ProvidertManager::getRemoteProvider");
532                  
533                    rproviderName.append (providerName);
534                  
535                    strings.fileName = &proxy;
536                    strings.providerName = &rproviderName;
537                    strings.location = &location;
538 konrad.r    1.24 
539                    try
540                    {
541                      ccode = _provider_ctrl (GET_PROVIDER, &strings, &ph);
542                    }
543                    catch (const Exception & e)
544                    {
545 konrad.r    1.27     DDD(cerr << "--- loading proxy: " << e.getMessage () << endl);
546 konrad.r    1.24     PEG_METHOD_EXIT ();
547                      throw;
548                    }
549                    catch (...)
550                    {
551                      PEG_METHOD_EXIT ();
552                      throw;
553 kumpf       1.43   }
554 schuur      1.10 
555 konrad.r    1.24   PEG_METHOD_EXIT ();
556 kumpf       1.43   return ph;
557 schuur      1.1  }
558                  
559 konrad.r    1.24 CMPIProvider::OpProviderHolder CMPILocalProviderManager::
560                  getProvider (const String & fileName, const String & providerName)
561 r.kieninger 1.14 {
562 konrad.r    1.24   CMPIProvider::OpProviderHolder ph;
563                    CTRL_STRINGS
564                      strings;
565                    Sint32
566                      ccode;
567 r.kieninger 1.15 
568 konrad.r    1.24   String
569                    lproviderName ("L");
570                    PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "ProviderManager::getProvider");
571 konrad.r    1.26   if (fileName.size() == 0)
572                    {
573 thilo.boehm 1.36         throw Exception(MessageLoaderParms(
574                           "ProviderManager.CMPI.CMPILocalProviderManager.CANNOT_FIND_LIBRARY",
575                           "For provider $0 the library name was empty. Check provider registered location.",
576                           providerName));
577 r.kieninger 1.15 
578 konrad.r    1.26   }
579 konrad.r    1.24   lproviderName.append (providerName);
580                    strings.fileName = &fileName;
581                    strings.providerName = &lproviderName;
582                    strings.location = &String::EMPTY;
583 r.kieninger 1.14 
584 konrad.r    1.24   try
585                    {
586                      ccode = _provider_ctrl (GET_PROVIDER, &strings, &ph);
587                    }
588                    catch (const Exception & e)
589                    {
590 konrad.r    1.27     DDD(cerr << "--- loading proxy: " << e.getMessage () << endl);
591 konrad.r    1.24     PEG_METHOD_EXIT ();
592                      throw;
593                    }
594                    catch (...)
595                    {
596                      PEG_METHOD_EXIT ();
597                      throw;
598                    }
599 schuur      1.1  
600                  
601 konrad.r    1.24   PEG_METHOD_EXIT ();
602                    return (ph);
603 schuur      1.1  
604                  }
605                  
606 konrad.r    1.24 void
607                  CMPILocalProviderManager::unloadProvider (const String & fileName,
608                                                            const String & providerName)
609 r.kieninger 1.14 {
610 konrad.r    1.24   CTRL_STRINGS strings;
611                    PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "ProviderManager::unloadProvider");
612 konrad.r    1.25 
613                    String lproviderName ("L");
614                    String rproviderName ("R");
615                    lproviderName.append (providerName);
616                    rproviderName.append (providerName);
617                  
618 konrad.r    1.24   strings.fileName = &fileName;
619 konrad.r    1.25   strings.providerName = &lproviderName;
620                    strings.location = &String::EMPTY;
621 konrad.r    1.24   _provider_ctrl (UNLOAD_PROVIDER, &strings, (void *) 0);
622 konrad.r    1.25    
623                    strings.providerName = &rproviderName;
624                  
625                    _provider_ctrl (UNLOAD_PROVIDER, &strings, (void *) 0);
626                  
627 konrad.r    1.24   PEG_METHOD_EXIT ();
628 r.kieninger 1.14 }
629                  
630 konrad.r    1.24 void
631                  CMPILocalProviderManager::shutdownAllProviders (void)
632 r.kieninger 1.14 {
633                  
634 konrad.r    1.24   PEG_METHOD_ENTER (TRC_PROVIDERMANAGER,
635                                      "ProviderManager::shutdownAllProviders");
636                    _provider_ctrl (UNLOAD_ALL_PROVIDERS, (void *) this, (void *) 0);
637                    PEG_METHOD_EXIT ();
638 r.kieninger 1.13 }
639                  
640                  
641 konrad.r    1.24 Boolean
642                  CMPILocalProviderManager::hasActiveProviders ()
643 r.kieninger 1.14 {
644 konrad.r    1.24   PEG_METHOD_ENTER (TRC_PROVIDERMANAGER,
645                                      "ProviderManager::hasActiveProviders");
646 r.kieninger 1.14 
647 konrad.r    1.24   try
648                    {
649                      AutoMutex lock (_providerTableMutex);
650                      Tracer::trace (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
651                                     "providers in _providers table = %d", _providers.size ());
652 r.kieninger 1.14 
653 konrad.r    1.24     // Iterate through the _providers table looking for an active provider
654                      for (ProviderTable::Iterator i = _providers.start (); i != 0; i++)
655                        {
656                          if (i.value ()->getStatus () == CMPIProvider::INITIALIZED)
657                            {
658                              PEG_METHOD_EXIT ();
659                              return true;
660                            }
661                        }
662                    }
663                    catch (...)
664                    {
665                      // Unexpected exception; do not assume that no providers are loaded
666                      PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
667                                        "Unexpected Exception in hasActiveProviders.");
668                      PEG_METHOD_EXIT ();
669                      return true;
670                    }
671 r.kieninger 1.14 
672 konrad.r    1.24   // No active providers were found in the _providers table
673                    PEG_METHOD_EXIT ();
674                    return false;
675 r.kieninger 1.14 }
676                  
677 konrad.r    1.24 void
678                  CMPILocalProviderManager::unloadIdleProviders (void)
679 r.kieninger 1.14 {
680 kumpf       1.41     PEG_METHOD_ENTER(TRC_PROVIDERMANAGER,
681                          "ProviderManager::unloadIdleProviders");
682 r.kieninger 1.14 
683 kumpf       1.41     try
684 r.kieninger 1.14     {
685 kumpf       1.41         _provider_ctrl (UNLOAD_IDLE_PROVIDERS, this, (void *) 0);
686 r.kieninger 1.14     }
687 kumpf       1.41     catch (...)
688 r.kieninger 1.14     {
689 kumpf       1.41         PEG_TRACE_STRING(TRC_PROVIDERMANAGER, Tracer::LEVEL2,
690                              "Caught unexpected exception from UNLOAD_IDLE_PROVIDERS.");
691 r.kieninger 1.14     }
692 kumpf       1.41 
693                      PEG_METHOD_EXIT ();
694 schuur      1.1  }
695                  
696 konrad.r    1.24 Array <
697                    CMPIProvider * >CMPILocalProviderManager::getIndicationProvidersToEnable ()
698 carolann.graves 1.17 {
699 konrad.r        1.24   PEG_METHOD_ENTER (TRC_PROVIDERMANAGER,
700                                          "CMPILocalProviderManager::getIndicationProvidersToEnable");
701 carolann.graves 1.17 
702 konrad.r        1.24   Array < CMPIProvider * >enableProviders;
703 carolann.graves 1.17 
704 konrad.r        1.24   Tracer::trace (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
705                                       "Number of providers in _providers table = %d",
706                                       _providers.size ());
707 carolann.graves 1.17 
708 konrad.r        1.24   try
709                        {
710                          AutoMutex
711                          lock (_providerTableMutex);
712 carolann.graves 1.17 
713 konrad.r        1.24     //
714                          // Iterate through the _providers table
715                          //
716                          for (ProviderTable::Iterator i = _providers.start (); i != 0; i++)
717                            {
718 carolann.graves 1.17         //
719 konrad.r        1.24         //  Enable any indication provider with current subscriptions
720 carolann.graves 1.17         //
721 konrad.r        1.24         CMPIProvider *
722                                provider = i.value ();
723                              if (provider->testSubscriptions ())
724                                {
725                                  enableProviders.append (provider);
726                                }
727                            }
728                      
729                        }
730                        catch (const CIMException & e)
731                        {
732                          PEG_TRACE_STRING (TRC_DISCARDED_DATA, Tracer::LEVEL2,
733                                            "CIMException: " + e.getMessage ());
734                        }
735                        catch (const Exception & e)
736                        {
737                          PEG_TRACE_STRING (TRC_DISCARDED_DATA, Tracer::LEVEL2,
738                                            "Exception: " + e.getMessage ());
739                        }
740                        catch (...)
741                        {
742 konrad.r        1.24     PEG_TRACE_STRING (TRC_DISCARDED_DATA, Tracer::LEVEL2,
743                                            "Unexpected error in getIndicationProvidersToEnable");
744                        }
745                      
746                        Tracer::trace (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
747                                       "Number of indication providers to enable = %d",
748                                       enableProviders.size ());
749                      
750                        PEG_METHOD_EXIT ();
751                        return enableProviders;
752                      }
753                      
754                      CMPIProvider *
755                      CMPILocalProviderManager::_initProvider (CMPIProvider * provider,
756                                                               const String & moduleFileName)
757                      {
758                        PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "_initProvider");
759 carolann.graves 1.17 
760 konrad.r        1.24   CMPIProviderModule *module = 0;
761                        ProviderVector base;
762 carolann.graves 1.17 
763 konrad.r        1.24   {
764                          // lock the providerTable mutex
765                          AutoMutex lock (_providerTableMutex);
766 carolann.graves 1.17 
767 konrad.r        1.24     // lookup provider module
768                          module = _lookupModule (moduleFileName);
769                        }                             // unlock the providerTable mutex
770 schuur          1.1  
771 kumpf           1.37   Boolean moduleLoaded = false;
772 konrad.r        1.24   Boolean deleteProvider = false;
773 konrad.r        1.26   String exceptionMsg = moduleFileName;
774 konrad.r        1.24   {
775                          // lock the provider status mutex
776                          AutoMutex lock (provider->_statusMutex);
777 r.kieninger     1.14 
778 konrad.r        1.24     if (provider->_status == CMPIProvider::INITIALIZED)
779                            {
780                              // Initialization is already complete
781                              return provider;
782                            }
783 r.kieninger     1.14 
784 konrad.r        1.24     PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
785                                            "Loading/Linking Provider Module " + moduleFileName);
786 kumpf           1.18 
787 konrad.r        1.24     // load the provider
788                          try
789                          {
790                            base = module->load (provider->_name);
791 kumpf           1.37       moduleLoaded = true;
792 konrad.r        1.24     }
793 konrad.r        1.26     catch (const Exception &e)
794                          {
795                      	  exceptionMsg = e.getMessage();
796                            PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
797                                              "Exception caught Loading/Linking Provider Module " +
798                                              moduleFileName+ " error is: "+exceptionMsg);
799                      	  deleteProvider =true;
800                          }
801 konrad.r        1.24     catch (...)
802 kumpf           1.18     {
803 konrad.r        1.24       PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
804 konrad.r        1.26                         "Unknown exception caught Loading/Linking Provider Module " +
805 konrad.r        1.24                         moduleFileName);
806 konrad.r        1.26        exceptionMsg = moduleFileName;
807 kumpf           1.37       deleteProvider = true;
808 konrad.r        1.24     }
809 kumpf           1.37 
810 konrad.r        1.26     if (!deleteProvider)
811                          {
812                            // initialize the provider
813                            PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
814                                            "Initializing Provider " + provider->getName());
815 r.kieninger     1.14 
816 konrad.r        1.26       CIMOMHandle *cimomHandle = new CIMOMHandle ();
817                            provider->set (module, base, cimomHandle);
818                            provider->_quantum = 0;
819 konrad.r        1.24 
820 konrad.r        1.26       try
821                            {
822                            	provider->initialize (*(provider->_cimom_handle));
823                            }
824                            catch (const Exception &e)
825                            {
826                           	PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
827                      				"Problem initializing: " + e.getMessage());
828                            	deleteProvider = true;
829                      	exceptionMsg = e.getMessage();
830                            }
831                            catch (...) 
832                            {
833                           	PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL2,
834                      				"Unknown problem initializing " + provider->getName());
835                            	deleteProvider = true;
836                      	exceptionMsg = provider->getName();
837                            }
838                          }                             // unlock the provider status mutex
839                        }
840                        /* We wait until this moment to delete the provider b/c we need
841 konrad.r        1.26      be outside the scope for the AutoMutex for the provider. */
842                        if (deleteProvider)
843                        {
844 konrad.r        1.24       // delete the cimom handle
845                            delete provider->_cimom_handle;
846                            // set provider status to UNINITIALIZED
847                            provider->reset ();
848 kumpf           1.37 
849 konrad.r        1.24       // unload provider module
850 kumpf           1.37       if (moduleLoaded)
851                            {
852                                module->unloadModule();
853                            }
854 r.kieninger     1.14 
855 konrad.r        1.24       AutoMutex lock (_providerTableMutex);
856 konrad.r        1.26       _providers.remove (provider->_name);
857 konrad.r        1.24       delete provider;
858 konrad.r        1.26 
859                            PEG_METHOD_EXIT ();
860                            throw Exception(exceptionMsg);
861 r.kieninger     1.14     }
862                      
863 konrad.r        1.24   PEG_METHOD_EXIT ();
864                        return (provider);
865 r.kieninger     1.14 }
866                      
867                      
868 konrad.r        1.24 void
869                      CMPILocalProviderManager::_unloadProvider (CMPIProvider * provider)
870 r.kieninger     1.14 {
871 konrad.r        1.24   //
872                        // NOTE:  It is the caller's responsibility to make sure that
873                        // the ProviderTable mutex is locked before calling this method.
874                        //
875                        PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "_unloadProvider");
876 r.kieninger     1.14 
877 konrad.r        1.24   PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
878 konrad.r        1.26                     "Unloading Provider " + provider->getName());
879 r.kieninger     1.14 
880 mike            1.31   if (provider->_current_operations.get ())
881 r.kieninger     1.14     {
882 konrad.r        1.24       PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
883                                              "Provider cannot be unloaded due to pending operations: "
884 konrad.r        1.26                         + provider->getName());
885 r.kieninger     1.14     }
886 konrad.r        1.24   else
887 r.kieninger     1.14     {
888 konrad.r        1.24       PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
889 konrad.r        1.26                         "Terminating Provider " + provider->getName());
890 konrad.r        1.24 
891 r.kieninger     1.14 
892 konrad.r        1.24       // lock the provider mutex
893                            AutoMutex pr_lock (provider->_statusMutex);
894 r.kieninger     1.14 
895 konrad.r        1.24       try
896                            {
897                              provider->terminate ();
898                            }
899                            catch (...)
900                            {
901                              PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL3,
902                                                "Error occured terminating CMPI provider " +
903 konrad.r        1.26                           provider->getName());
904 konrad.r        1.24       }
905 r.kieninger     1.14 
906 konrad.r        1.24       // delete the cimom handle
907                            PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
908                                              "Destroying CMPIProvider's CIMOM Handle " +
909 konrad.r        1.26                         provider->getName());
910 r.kieninger     1.14 
911 konrad.r        1.24       delete provider->_cimom_handle;
912                            PEGASUS_ASSERT (provider->_module != 0);
913 r.kieninger     1.14 
914 konrad.r        1.24       // unload provider module
915                            provider->_module->unloadModule ();
916                            Logger::put (Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE,
917                                         "CMPILocalProviderManager::_provider_crtl -  Unload provider $0",
918                                         provider->getName ());
919 r.kieninger     1.14 
920 konrad.r        1.24       // set provider status to UNINITIALIZED
921                            provider->reset ();
922 r.kieninger     1.14 
923 konrad.r        1.24       // Do not delete the provider. The function calling this function
924                            // takes care of that.
925 r.kieninger     1.14     }
926 r.kieninger     1.13 
927 konrad.r        1.24   PEG_METHOD_EXIT ();
928 dj.gorey        1.6  }
929                      
930 konrad.r        1.24 CMPIProvider *
931                      CMPILocalProviderManager::_lookupProvider (const String & providerName)
932 r.kieninger     1.14 {
933 konrad.r        1.24   PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "_lookupProvider");
934                        // lock the providerTable mutex
935                        AutoMutex lock (_providerTableMutex);
936                        // look up provider in cache
937                        CMPIProvider *pr = 0;
938                        if (true == _providers.lookup (providerName, pr))
939 r.kieninger     1.14     {
940 konrad.r        1.24       PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
941                                              "Found Provider " + providerName +
942                                              " in CMPI Provider Manager Cache");
943 r.kieninger     1.14     }
944 konrad.r        1.24   else
945 r.kieninger     1.14     {
946 konrad.r        1.24       // create provider
947                            pr = new CMPIProvider (providerName, 0, 0);
948                            // insert provider in provider table
949                            _providers.insert (providerName, pr);
950 r.kieninger     1.14 
951 konrad.r        1.24       PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
952                                              "Created provider " + pr->getName ());
953 r.kieninger     1.14     }
954 dj.gorey        1.6  
955 konrad.r        1.24   PEG_METHOD_EXIT ();
956                        return (pr);
957 dj.gorey        1.6  }
958                      
959                      
960 konrad.r        1.24 CMPIProviderModule *
961                      CMPILocalProviderManager::_lookupModule (const String & moduleFileName)
962 r.kieninger     1.14 {
963 konrad.r        1.24   PEG_METHOD_ENTER (TRC_PROVIDERMANAGER, "_lookupModule");
964 r.kieninger     1.14 
965 konrad.r        1.24   // look up provider module in cache
966                        CMPIProviderModule *module = 0;
967 r.kieninger     1.14 
968 konrad.r        1.24   if (true == _modules.lookup (moduleFileName, module))
969 r.kieninger     1.14     {
970 konrad.r        1.24       // found provider module in cache
971                            PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
972                                              "Found Provider Module" + moduleFileName +
973                                              " in Provider Manager Cache");
974 dj.gorey        1.6  
975 konrad.r        1.24     }
976                        else
977                          {
978                            // provider module not found in cache, create provider module
979                            PEG_TRACE_STRING (TRC_PROVIDERMANAGER, Tracer::LEVEL4,
980                                              "Creating CMPI Provider Module " + moduleFileName);
981 r.kieninger     1.14 
982 konrad.r        1.24       module = new CMPIProviderModule (moduleFileName);
983 r.kieninger     1.14 
984 konrad.r        1.24       // insert provider module in module table
985                            _modules.insert (moduleFileName, module);
986 r.kieninger     1.14     }
987 dj.gorey        1.6  
988 konrad.r        1.24   PEG_METHOD_EXIT ();
989                        return (module);
990 schuur          1.1  }
991                      
992                      PEGASUS_NAMESPACE_END

No CVS admin address has been configured
Powered by
ViewCVS 0.9.2