locationtriggering/ltserver/ltserverlogic/src/lbtcleanuphandler.cpp
changeset 0 667063e416a2
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     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  This file defines the clean up handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <e32std.h>
       
    21 #include <lbtcommon.h>
       
    22 #include <f32file.h>
       
    23 #include <s32file.h>
       
    24 #include <centralrepository.h>
       
    25 #include "lbtcleanuphandler.h"
       
    26 #include "lbtcontainer.h"
       
    27 #include "lbtcontainerupdatefilter.h"
       
    28 #include "lbttriggerfilterbyattribute.h"
       
    29 #include "lbttriggeringsettingskeys.h"
       
    30 #include "lbtlogger.h"
       
    31 
       
    32 // LOCAL ENUMERATIONS
       
    33 
       
    34 enum
       
    35 	{
       
    36 	TLbtNone,
       
    37 	TLbtContainerCleaningUp,
       
    38 	TLbtWaitingForTimer
       
    39 	};
       
    40 
       
    41 // CONSTANTS
       
    42 _LIT(KLbtAppCleanupFileName, "lbtappcleanup.dat");
       
    43 
       
    44 // ======== LOCAL FUNCTIONS ========
       
    45 TInt CleanupItemOrder( const CLbtCleanupItem& aFirst, const CLbtCleanupItem& aSecond )
       
    46 	{
       
    47 	FUNC_ENTER("CleanupItemOrder");
       
    48 	const TTime& aFirstTime = aFirst.GetTime();
       
    49 	const TTime& aSecondTime = aSecond.GetTime();
       
    50 	
       
    51 	if( aFirstTime == aSecondTime )
       
    52 		{
       
    53 		return 0;
       
    54 		}
       
    55 	else if( aFirstTime < aSecondTime )
       
    56 		{
       
    57 		return -1;
       
    58 		}
       
    59 	else
       
    60 		{
       
    61 		return 1;
       
    62 		}
       
    63 	}
       
    64 
       
    65 // ============ CLASS METHODS ==========
       
    66 
       
    67 // ---------------------------------------------------------------------------
       
    68 // CLbtCleanupHandler::NewL
       
    69 // ---------------------------------------------------------------------------
       
    70 //
       
    71 CLbtCleanupHandler* CLbtCleanupHandler::NewL( CLbtContainer& aContainer )
       
    72 	{
       
    73 	FUNC_ENTER("CLbtCleanupHandler::NewL");	
       
    74 	CLbtCleanupHandler* self = new (ELeave) CLbtCleanupHandler( aContainer );
       
    75 	CleanupStack::PushL(self);
       
    76 	self->ConstructL();
       
    77 	CleanupStack::Pop(self);
       
    78 	return self;
       
    79 	}
       
    80 
       
    81 // ---------------------------------------------------------------------------
       
    82 // CLbtCleanupHandler::ConstructL
       
    83 // ---------------------------------------------------------------------------
       
    84 //
       
    85 void CLbtCleanupHandler::ConstructL()
       
    86 	{
       
    87 	FUNC_ENTER("CLbtCleanupHandler::ConstructL");
       
    88 	CTimer::ConstructL();	
       
    89 	iOperation = TLbtNone;
       
    90 
       
    91 	CRepository* repository = CRepository::NewL(TUid::Uid(KCRUidLocationTriggeringSettings));
       
    92 	repository->Get(ELbtDaysForCleanup, iDaysForCleanup);
       
    93 	delete repository;
       
    94 
       
    95 	ReadCleanupDataFromFileL();
       
    96 	CleanupNextItemL();
       
    97 	}
       
    98 	
       
    99 // ---------------------------------------------------------------------------
       
   100 // CLbtCleanupHandler::AddTriggersForCleanupL
       
   101 // ---------------------------------------------------------------------------
       
   102 //	
       
   103 void CLbtCleanupHandler::AddTriggersForCleanupL( const RArray<TLbtTriggerId>& aTriggers )
       
   104 	{
       
   105 	FUNC_ENTER("CLbtCleanupHandler::AddTriggersForCleanupL");
       
   106 	CLbtCleanupItem* item = new(ELeave) CLbtCleanupItem;
       
   107 	
       
   108 	TTime utcTime;
       
   109 	utcTime.UniversalTime();
       
   110 	
       
   111 	TTimeIntervalDays cleanupDays(iDaysForCleanup);
       
   112 	utcTime += cleanupDays;
       
   113 		
       
   114 	item->AddCleanupItem( aTriggers, utcTime );
       
   115 	
       
   116 	TLinearOrder<CLbtCleanupItem> order(CleanupItemOrder);
       
   117 	iCleanupItems.InsertInOrder( item, order );
       
   118 
       
   119 	WriteCleanupDataToFileL();
       
   120 	CleanupNextItemL();
       
   121 	}
       
   122 
       
   123 // ---------------------------------------------------------------------------
       
   124 // CLbtCleanupHandler::RemoveTriggersFromCleanupL
       
   125 // ---------------------------------------------------------------------------
       
   126 //	
       
   127 void CLbtCleanupHandler::RemoveTriggersFromCleanupL( const RArray<TLbtTriggerId>& aTriggers )
       
   128 	{
       
   129 	FUNC_ENTER("CLbtCleanupHandler::RemoveTriggersFromCleanupL");
       
   130 	// Bool to check if at the end of removal, current cleanup have to be aborted
       
   131 	TBool cancelCleanup = EFalse;
       
   132 	
       
   133 	// Parse through cleanup items
       
   134 	for( TInt j=0;j<iCleanupItems.Count();++j )
       
   135 		{
       
   136 		RArray<TLbtTriggerId>& array = iCleanupItems[j]->GetTriggers();
       
   137 		for( TInt i=0;i<aTriggers.Count();++i )
       
   138 			{
       
   139 			TInt index = array.Find( aTriggers[i] );
       
   140 			if( index != KErrNotFound )
       
   141 				{
       
   142 				array.Remove(index);
       
   143 				}
       
   144 			}
       
   145 
       
   146 		if( array.Count() == 0 )
       
   147 			{
       
   148 			CLbtCleanupItem* item = iCleanupItems[j];
       
   149 			iCleanupItems.Remove(j);
       
   150 			delete item;
       
   151 			if( j==0 )
       
   152 				{
       
   153 				cancelCleanup = ETrue;
       
   154 				}			
       
   155 			}
       
   156 		}
       
   157 	
       
   158 	if( cancelCleanup )
       
   159 		{
       
   160 		Cancel();
       
   161 		}
       
   162 	WriteCleanupDataToFileL();
       
   163 	CleanupNextItemL();
       
   164 	}
       
   165 
       
   166 // ---------------------------------------------------------------------------
       
   167 // CLbtCleanupHandler::CleanupNextItemL
       
   168 // ---------------------------------------------------------------------------
       
   169 //	
       
   170 void CLbtCleanupHandler::CleanupNextItemL()
       
   171 	{
       
   172 	FUNC_ENTER("CLbtCleanupHandler::CleanupNextItemL");
       
   173 	if( iCleanupItems.Count() > 0 &&
       
   174 	    !IsActive() )
       
   175 		{
       
   176 		const TTime& utcTime = iCleanupItems[0]->GetTime();
       
   177 		
       
   178 		// First get the universal time
       
   179 		TTime time;
       
   180 		time.UniversalTime();
       
   181 		
       
   182 		if( time > utcTime )
       
   183 			{
       
   184 			// The UT has already elapsed
       
   185 			LOG("Provided UTC has already elapsed. Cleaning up Immediately");
       
   186 			iOperation = TLbtContainerCleaningUp;
       
   187 			
       
   188 			// Get the trigger ids
       
   189 			RArray<TLbtTriggerId>& triggers = iCleanupItems[0]->GetTriggers();
       
   190 			
       
   191 			CLbtTriggerFilterByAttribute* filterByAttribute = CLbtTriggerFilterByAttribute::NewL();
       
   192 			CleanupStack::PushL(filterByAttribute);
       
   193 			
       
   194 			// Cleanup startup triggers
       
   195 			filterByAttribute->AddTriggerTypeL(CLbtTriggerEntry::ETypeStartup);
       
   196 			
       
   197 			// Add the trigger ids trhat need to be cleanedup
       
   198 			for( TInt i=0;i<triggers.Count();++i )
       
   199 				{
       
   200 				filterByAttribute->AddTriggerIdL( triggers[i] );
       
   201 				}
       
   202 				
       
   203 			CLbtContainerUpdateFilter* updateFilter = CLbtContainerUpdateFilter::NewL( filterByAttribute ,NULL );		
       
   204 			iContainer.DeleteTriggers( updateFilter, iContainerOp, iStatus );
       
   205 			SetActive();
       
   206 			
       
   207 			CleanupStack::Pop(filterByAttribute);
       
   208 			}
       
   209 		else
       
   210 			{
       
   211 			if( !IsActive() )
       
   212 				{
       
   213 				LOG("Waiting for Provided UTC")
       
   214 				// Wait for timer expiry
       
   215 				iOperation = TLbtWaitingForTimer;
       
   216 				AtUTC(utcTime);
       
   217 				}			
       
   218 			}
       
   219 		}
       
   220 	}
       
   221 
       
   222 // ---------------------------------------------------------------------------
       
   223 // CLbtCleanupHandler::Cancel
       
   224 // ---------------------------------------------------------------------------
       
   225 //	
       
   226 void CLbtCleanupHandler::Cancel()
       
   227 	{
       
   228 	FUNC_ENTER("CLbtCleanupHandler::Cancel");
       
   229 	
       
   230 	if( IsActive() )
       
   231 		{
       
   232 		if( iOperation == TLbtContainerCleaningUp )
       
   233 			{
       
   234 			iContainer.CancelAsyncOperation( iContainerOp );		
       
   235 			}
       
   236 		else if( iOperation == TLbtWaitingForTimer )
       
   237 			{
       
   238 			CTimer::Cancel();
       
   239 			}
       
   240 		}
       
   241 	iOperation = TLbtNone;
       
   242 	}
       
   243 
       
   244 	
       
   245 // ---------------------------------------------------------------------------
       
   246 // CLbtCleanupHandler::RunL
       
   247 // ---------------------------------------------------------------------------
       
   248 //	
       
   249 void CLbtCleanupHandler::RunL()
       
   250 	{
       
   251 	FUNC_ENTER("CLbtCleanupHandler::RunL");
       
   252 	LOG1("iOperation %d",iOperation);
       
   253 	
       
   254 	if( iStatus.Int() != KErrNone )
       
   255 		{
       
   256 		LOG1("CLbtCleanupHandler, iStatus = %d", iStatus.Int());
       
   257 		return;
       
   258 		}
       
   259 
       
   260 	switch(iOperation)
       
   261 		{
       
   262 		case TLbtContainerCleaningUp: 
       
   263 			{
       
   264 			CLbtCleanupItem* item = iCleanupItems[0];
       
   265 			iCleanupItems.Remove(0);
       
   266 			delete item;
       
   267 			iOperation = TLbtNone;
       
   268 			WriteCleanupDataToFileL();
       
   269 			CleanupNextItemL();
       
   270 			break;
       
   271 			}
       
   272 		case TLbtWaitingForTimer:
       
   273 			{
       
   274 			LOG("Timer has expired. Cleaning triggers");
       
   275 			iOperation = TLbtContainerCleaningUp;
       
   276 			
       
   277 			// Get the trigger ids
       
   278 			RArray<TLbtTriggerId>& triggers = iCleanupItems[0]->GetTriggers();
       
   279 			
       
   280 			CLbtTriggerFilterByAttribute* filterByAttribute = CLbtTriggerFilterByAttribute::NewL();
       
   281 			CleanupStack::PushL(filterByAttribute);
       
   282 			
       
   283 			// Cleanup startup triggers
       
   284 			filterByAttribute->AddTriggerTypeL(CLbtTriggerEntry::ETypeStartup);
       
   285 			
       
   286 			// Add the trigger ids trhat need to be cleaned up
       
   287 			for( TInt i=0;i<triggers.Count();++i )
       
   288 				{
       
   289 				filterByAttribute->AddTriggerIdL( triggers[i] );
       
   290 				}
       
   291 				
       
   292 			CLbtContainerUpdateFilter* updateFilter = CLbtContainerUpdateFilter::NewL( filterByAttribute ,NULL );		
       
   293 			iContainer.DeleteTriggers( updateFilter, iContainerOp, iStatus );
       
   294 			SetActive();
       
   295 			
       
   296 			CleanupStack::Pop(filterByAttribute);
       
   297 			break;
       
   298 			}
       
   299 		default:
       
   300 			{
       
   301 			iOperation = TLbtNone;
       
   302 			break;
       
   303 			}
       
   304 		}
       
   305 	}
       
   306 
       
   307 // ---------------------------------------------------------------------------
       
   308 // CLbtCleanupHandler::RunError
       
   309 // ---------------------------------------------------------------------------
       
   310 //	
       
   311 TInt CLbtCleanupHandler::RunError( TInt aError )
       
   312 	{
       
   313 	FUNC_ENTER("CLbtCleanupHandler::RunError");
       
   314 	ERROR("CLbtCleanupHandler::RunL left with error code", aError);
       
   315 	return KErrNone;
       
   316 	}
       
   317 	
       
   318 // ---------------------------------------------------------------------------
       
   319 // CLbtCleanupHandler::WriteCleanupDataToFileL
       
   320 // ---------------------------------------------------------------------------
       
   321 //
       
   322 void CLbtCleanupHandler::WriteCleanupDataToFileL()
       
   323 	{
       
   324 	FUNC_ENTER("CLbtCleanupHandler::WriteCleanupDataToFileL");	
       
   325 	
       
   326 	RFs fs;
       
   327 	User::LeaveIfError( fs.Connect() );
       
   328 	
       
   329 	CleanupClosePushL( fs );
       
   330     
       
   331     // Obtain the file path
       
   332     TFileName file;
       
   333     
       
   334     // Gets the path in which the file can be created
       
   335     fs.SessionPath(file);
       
   336 
       
   337     // Create the file Directory ie the private directory of the process
       
   338     fs.MkDirAll(file);
       
   339     
       
   340     // Append the name of the file
       
   341     file.Append(KLbtAppCleanupFileName);
       
   342     
       
   343     // Open write stream to write to the file
       
   344     RFileWriteStream writeStream;
       
   345     
       
   346     // Open the file to replace the contents. If the file is not preset
       
   347     // this method will create the file
       
   348     TInt error = writeStream.Replace( fs, file, EFileWrite );    
       
   349     if( error != KErrNone )
       
   350     	{
       
   351     	ERROR("Opening of cleanup file failed with : %d", error);
       
   352     	writeStream.Close();
       
   353     	CleanupStack::PopAndDestroy(); //fs
       
   354     	User::Leave(error);
       
   355     	}
       
   356     CleanupClosePushL( writeStream );
       
   357     
       
   358     // First write the number of cleanup items
       
   359     writeStream.WriteInt16L( iCleanupItems.Count() );
       
   360 
       
   361 	for(TInt i=0;i<iCleanupItems.Count();++i)
       
   362 		{
       
   363 		RArray<TLbtTriggerId>& triggers = iCleanupItems[i]->GetTriggers();
       
   364 		
       
   365 		// Write the trigger ids into the file
       
   366 		writeStream.WriteInt16L( triggers.Count() );
       
   367 		for(TInt j=0;j<triggers.Count();++j)
       
   368 			{
       
   369 			writeStream.WriteUint32L( triggers[j] );
       
   370 			}
       
   371 		
       
   372 		// Write the time into the file
       
   373 		const TDateTime dateTime = iCleanupItems[i]->GetTime().DateTime();
       
   374 		
       
   375 		// Write the year
       
   376 		writeStream.WriteInt32L( dateTime.Year() );
       
   377 		
       
   378 		// Write the month
       
   379 		writeStream.WriteInt32L( dateTime.Month() );
       
   380 		
       
   381 		// Write the day
       
   382 		writeStream.WriteInt32L( dateTime.Day() );
       
   383 		}
       
   384     
       
   385     CleanupStack::PopAndDestroy(2); //fs and writeSteam    
       
   386 	}
       
   387 
       
   388 // ---------------------------------------------------------------------------
       
   389 // CLbtCleanupHandler::ReadCleanupDataFromFileL
       
   390 // ---------------------------------------------------------------------------
       
   391 //
       
   392 void CLbtCleanupHandler::ReadCleanupDataFromFileL()
       
   393 	{
       
   394 	FUNC_ENTER("CLbtCleanupHandler::ReadCleanupDataFromFileL");
       
   395 	
       
   396 	// First reset the cleanup data 
       
   397 	iCleanupItems.ResetAndDestroy();
       
   398 	
       
   399 	// Open handle to file system
       
   400 	RFs fs;
       
   401 	User::LeaveIfError(fs.Connect());
       
   402 	
       
   403 	CleanupClosePushL(fs);
       
   404 	
       
   405 	// Obtain the file path
       
   406     TFileName file;
       
   407     
       
   408     // Gets the path in which the file can be created
       
   409     fs.SessionPath(file);
       
   410 
       
   411     // Create the file Directory ie the private directory of the process
       
   412     fs.MkDirAll(file);
       
   413     
       
   414     // Append the name of the file
       
   415     file.Append(KLbtAppCleanupFileName);
       
   416     
       
   417     // Open read stream
       
   418     RFileReadStream readStream;
       
   419     
       
   420     TInt error = readStream.Open( fs, file, EFileRead );
       
   421     if( error != KErrNone )
       
   422     	{
       
   423     	// File may not exists
       
   424     	ERROR("Opening of cleanup file failed with : %d", error);
       
   425     	readStream.Close();
       
   426     	CleanupStack::PopAndDestroy(); //fs
       
   427     	return;
       
   428     	}
       
   429     CleanupClosePushL( readStream );
       
   430     
       
   431     // Get the count in the cleanup array
       
   432     TInt count = readStream.ReadInt16L();    
       
   433     for(TInt i=0; i<count; ++i)
       
   434     	{
       
   435     	RArray<TLbtTriggerId> triggers;
       
   436     	CleanupClosePushL(triggers);
       
   437     	
       
   438     	// Read the trigger ids
       
   439     	TInt triggerCount = readStream.ReadInt16L();
       
   440     	for(TInt j=0;j<triggerCount;++j)
       
   441     		{
       
   442     		triggers.Append( readStream.ReadUint32L() );
       
   443     		}
       
   444     	
       
   445     	// Read the universal time
       
   446     	TInt year = readStream.ReadInt32L();
       
   447     	TMonth month = static_cast<TMonth>( readStream.ReadInt32L() );
       
   448     	TInt day = readStream.ReadInt32L();
       
   449     	
       
   450     	TDateTime dateTime( year,
       
   451     						month,
       
   452     						day,
       
   453     						0,
       
   454     						0,
       
   455     						0,
       
   456     						0 );
       
   457     	TTime time( dateTime );
       
   458     	
       
   459     	CLbtCleanupItem* cleanupItem = new (ELeave) CLbtCleanupItem();
       
   460     	cleanupItem->AddCleanupItem( triggers, time );
       
   461     	
       
   462     	CleanupStack::Pop(); // triggers
       
   463     	triggers.Close();
       
   464     	
       
   465     	// Append cleanup item to the cleaup items array
       
   466     	iCleanupItems.Append( cleanupItem );
       
   467     	}
       
   468 
       
   469     CleanupStack::PopAndDestroy(2); // fs and readStream
       
   470 	}
       
   471 
       
   472 // ---------------------------------------------------------------------------
       
   473 // CLbtCleanupHandler::~CLbtCleanupHandler
       
   474 // ---------------------------------------------------------------------------
       
   475 //	
       
   476 CLbtCleanupHandler::~CLbtCleanupHandler()
       
   477 	{
       
   478 	FUNC_ENTER("CLbtCleanupHandler::~CLbtCleanupHandler");
       
   479 	Cancel();	
       
   480 	iCleanupItems.ResetAndDestroy();
       
   481 	}
       
   482 	
       
   483 // ---------------------------------------------------------------------------
       
   484 // CLbtCleanupHandler::CLbtCleanupHandler
       
   485 // ---------------------------------------------------------------------------
       
   486 //
       
   487 CLbtCleanupHandler::CLbtCleanupHandler( CLbtContainer& aContainer ): 
       
   488 					CTimer(CActive::EPriorityLow),
       
   489 					iContainer( aContainer )
       
   490 	{
       
   491 	CActiveScheduler::Add(this);
       
   492 	}
       
   493 
       
   494 // ---------------------------------------------------------------------------
       
   495 // CLbtCleanupItem::AddCleanupItem
       
   496 // ---------------------------------------------------------------------------
       
   497 //
       
   498 void CLbtCleanupItem::AddCleanupItem( const RArray<TLbtTriggerId>& aTriggers, TTime& aUTCTime )
       
   499 	{
       
   500 	FUNC_ENTER("CLbtCleanupItem::AddCleanupItem");
       
   501 	iTriggers.Reset();	
       
   502 	for(TInt i=0;i<aTriggers.Count();++i)
       
   503 		{
       
   504 		iTriggers.Append( aTriggers[i] );
       
   505 		}
       
   506 	iUTCTime = aUTCTime;
       
   507 	}
       
   508 
       
   509 // ---------------------------------------------------------------------------
       
   510 // CLbtCleanupItem::GetTime
       
   511 // ---------------------------------------------------------------------------
       
   512 //
       
   513 const TTime& CLbtCleanupItem::GetTime() const
       
   514 	{
       
   515 	return iUTCTime;
       
   516 	}
       
   517 	
       
   518 // ---------------------------------------------------------------------------
       
   519 // CLbtCleanupItem::GetTriggers
       
   520 // ---------------------------------------------------------------------------
       
   521 //
       
   522 RArray<TLbtTriggerId>& CLbtCleanupItem::GetTriggers()
       
   523 	{
       
   524 	return iTriggers;
       
   525 	}
       
   526 	
       
   527 // ---------------------------------------------------------------------------
       
   528 // CLbtCleanupItem::~CLbtCleanupItem
       
   529 // ---------------------------------------------------------------------------
       
   530 //
       
   531 CLbtCleanupItem::~CLbtCleanupItem()
       
   532 	{
       
   533 	FUNC_ENTER("CLbtCleanupItem::~CLbtCleanupItem");
       
   534 	iTriggers.Close();
       
   535 	}
       
   536 
       
   537 // end of file
       
   538