--- a/internetradio2.0/sessionlogsrc/irsessiondb.cpp Tue Jul 06 14:07:20 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,449 +0,0 @@
-/*
-* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: ?Description
-*
-*/
-
-
-#include <bautils.h>
-
-#include "irdebug.h"
-#include "irsessiondb.h"
-#include "irsessionloggerutility.h"
-
-_LIT(KSessionTable,"Session");
-_LIT(KID,"id");
-_LIT(KSessionLogCol, "SessionData");
-_LIT(KSessionIndex,"SessionIndex");
-
-const TInt KMaxNoSession = 15;
-
-
-// ======== LOCAL FUNCTIONS ========
-
-
-// ======== MEMBER FUNCTIONS ========
-
-// ---------------------------------------------------------------------------
-// Function : NewL()
-// two phased construction
-// ---------------------------------------------------------------------------
-//
- CIRSessionDb* CIRSessionDb::NewL()
- {
- IRLOG_DEBUG( "CIRSessionDb::NewL" );
- CIRSessionDb* self;
- self=CIRSessionDb::NewLC();
- CleanupStack::Pop(self);
- IRLOG_DEBUG( "CIRSessionDb::NewL - Exiting." );
- return self;
- }
-
-
-// ---------------------------------------------------------------------------
-// Function : NewLC()
-// Two phased construction
-// ---------------------------------------------------------------------------
-//
- CIRSessionDb* CIRSessionDb::NewLC()
- {
- IRLOG_DEBUG( "CIRSessionDb::NewLC" );
- CIRSessionDb *self;
- self=new(ELeave)CIRSessionDb;
- CleanupStack::PushL(self);
- self->ConstructL();
- IRLOG_DEBUG( "CIRSessionDb::NewLC - Exiting." );
- return self;
- }
-
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::~CIRSessionDb()
-// default destructor
-// ---------------------------------------------------------------------------
-//
-CIRSessionDb::~CIRSessionDb()
- {
- IRLOG_DEBUG( "CIRSessionDb::~CIRSessionDb" );
- CloseDb();
- iFsSession.Close();
- IRLOG_DEBUG( "CIRSessionDb::~CIRSessionDb - Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::CreateDbConditional()
-// Creates both the dbms files conditionally(only if not yet created)
-// calls CreateDbL()
-// ---------------------------------------------------------------------------
-//
- TInt CIRSessionDb::CreateDbConditional(TFileName &aSession)
- {
- IRLOG_DEBUG( "CIRSessionDb::CreateDbConditional" );
- iDbFile.Copy(aSession);
- if( !BaflUtils::FileExists(iFsSession, iDbFile) )
- {
- TRAPD(error,CreateDbL(iDbFile));
- if( error )
- {
- IRLOG_DEBUG( "CIRSessionDb::CreateDbConditional - Exiting (1)." );
- return error;
- }
- }
- IRLOG_DEBUG( "CIRSessionDb::CreateDbConditional - Exiting (2)." );
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb:AddSessionStartL()
-// adds the session log entry into data base
-// ---------------------------------------------------------------------------
-//
-void CIRSessionDb::AddSessionStartL(CIRSessionLogger& aSession)
- {
- IRLOG_DEBUG( "CIRSessionDb::AddSessionStartL" );
- OpenDbL();
- RDbTable sessionlogtable;
- TInt error=sessionlogtable.Open(iSessionDb,KSessionTable,sessionlogtable.
- EUpdatable);
- CleanupClosePushL(sessionlogtable);
- if( error )
- {
- CloseDb();
- User::LeaveIfError(error);
- }
-
- //! arrange the presets in incresing order of index
- sessionlogtable.SetIndex(KSessionIndex);
- sessionlogtable.Reset();
-
- //if session log is greater or equal to than 5
- if( sessionlogtable.CountL() >= KMaxNoSession )
- {
- //first row is selected
- sessionlogtable.FirstL();
- //the current row is selected
- sessionlogtable.GetL();
- //delete that entry
- sessionlogtable.DeleteL();
- }
- CleanupStack::PopAndDestroy(&sessionlogtable);
- //Algorithm : else condition need not handle seperatly
- //Algorithm : add sessionid and informations like
- //starttime,connectedfrom,sessionid,connectiontype,channelid
- //currentnetwork,homenetwork,sessiontable
- //Algorithm: if no. of session is greater than 5
-
- _LIT(query,"SELECT * FROM %S");
- HBufC* sqlStr=HBufC::NewLC(query().Length() + KSessionTable().Length());
- sqlStr->Des().Format(query,&KSessionTable);
-
- // Create a view on the database
- RDbView view;
- error = view.Prepare(iSessionDb,*sqlStr);
- if( error )
- {
- CloseDb();
- User::LeaveIfError(error);
- }
- CleanupStack::PopAndDestroy(sqlStr);
- CleanupClosePushL(view);
- error = view.EvaluateAll();
- if( error )
- {
- CloseDb();
- User::LeaveIfError(error);
- }
- CDbColSet* columns = view.ColSetL();
- CleanupStack::PushL(columns);
-
- RDbColWriteStream writeStream;
- TRAP(error,//trap start
- // Insert a row. Column order matches sql select statement
- view.InsertL();
- //get index
- view.SetColL(columns->ColNo(KID), aSession.SessionId());
- //!open stream
- writeStream.OpenLC(view,columns->ColNo(KSessionLogCol));
- aSession.ExternalizeL(writeStream);
- writeStream.CommitL();
- CleanupStack::PopAndDestroy(&writeStream);
- );
-
- CleanupStack::PopAndDestroy(columns);
- if( error!=KErrNone )
- {
- CloseDb();
- User::LeaveIfError(error);
- }
- view.PutL();
- CleanupStack::PopAndDestroy(&view);
- CloseDb();
- IRLOG_DEBUG( "CIRSessionDb::AddSessionStartL - Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::GetAllPresetL()
-// gets all the preset into an array
-// ---------------------------------------------------------------------------
-//
-void CIRSessionDb::GetAllSessionL(
- CArrayPtrFlat<CIRSessionLogger>& aSessionDataList)
- {
- IRLOG_DEBUG( "CIRSessionDb::GetAllSessionL" );
- OpenDbL();
- //not sure about this resetanddestroy
- //! Open for preset master
- aSessionDataList.ResetAndDestroy();
- //! temp item for holding the retrived data
- CIRSessionLogger *item;
- RDbColReadStream instream;
- RDbTable table;
- TInt error = table.Open(iSessionDb, KSessionTable, table.EReadOnly);
- CleanupClosePushL(table);
- if( error!=KErrNone )
- {
- //if open fails function leaves
- CloseDb();
- User::LeaveIfError(error);
- }
-
- CDbColSet* colSet = table.ColSetL();
- CleanupStack::PushL(colSet);
-
- //! arrange the presets in incresing order of index
- table.SetIndex(KSessionIndex);
- table.Reset();
- //! recursively retrive the preset data from the master table
- for (table.FirstL(); table.AtRow(); table.NextL())
- {
- item=CIRSessionLogger::NewL();
- CleanupStack::PushL(item);
- table.GetL();
- instream.OpenLC( table, colSet->ColNo( KSessionLogCol ) );
- item->InternalizeL(instream);
- //update sessionid
- aSessionDataList.AppendL(item);
- CleanupStack::PopAndDestroy(&instream);
- CleanupStack::Pop(item);
- }
-
- CleanupStack::PopAndDestroy(colSet);
- //!close the master table
- CleanupStack::PopAndDestroy(&table);
- CloseDb();
- IRLOG_DEBUG( "CIRSessionDb::GetAllSessionL - Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// Function : DeleteAllSession
-// delete all the session from session log entry
-// ---------------------------------------------------------------------------
-//
-void CIRSessionDb::DeleteAllSessionL()
- {
- IRLOG_DEBUG( "CIRSessionDb::DeleteAllSessionL" );
- //opening a data base
- OpenDbL();
- RDbTable sessionlogtable;
- //data base table opened
- TInt error=sessionlogtable.Open(iSessionDb,KSessionTable,sessionlogtable.
- EUpdatable);
- CleanupClosePushL(sessionlogtable);
- if( error!=KErrNone )
- {
- //if error we leave
- CloseDb();
- User::LeaveIfError(error);
- }
- //data base begin
- error = iSessionDb.Begin();
- if( error!=KErrNone )
- {
- //if open fails function leaves
- CloseDb();
- User::LeaveIfError(error);
- }
-
- //! arrange the presets in incresing order of index
- sessionlogtable.SetIndex(KSessionIndex);
- sessionlogtable.Reset();
- sessionlogtable.FirstL();
- while(sessionlogtable.AtRow())
- {
- //deleting all the rows in the table
- sessionlogtable.GetL();
- sessionlogtable.DeleteL();
- sessionlogtable.FirstL();
- }
- //saving the change
- CleanupStack::PopAndDestroy(&sessionlogtable);
- iSessionDb.Commit();
- CloseDb();
- IRLOG_DEBUG( "CIRSessionDb::DeleteAllSessionL - Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::ConstructL()
-// Standard 2nd phase construction
-// ---------------------------------------------------------------------------
-//
-void CIRSessionDb::ConstructL()
- {
- IRLOG_DEBUG( "CIRSessionDb::ConstructL" );
- User::LeaveIfError(iFsSession.Connect());
- IRLOG_DEBUG( "CIRSessionDb::ConstructL- Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::CloseDb()
-// Closes the database
-// ---------------------------------------------------------------------------
-//
-void CIRSessionDb::CloseDb()
- {
- IRLOG_DEBUG( "CIRSessionDb::CloseDb" );
- iSessionDb.Close();
- IRLOG_DEBUG( "CIRSessionDb::CloseDb - Exiting." );
- }
-
-
-// ---------------------------------------------------------------------------
-// Function : CreateSessionTableL
-// creates sessionlogtable with two column one is sessionid and rest of session
-// log data
-// ---------------------------------------------------------------------------
-//SessionTable
-//---------------------------
-//| KID | KSessionLogCol |
-//---------------------------
-//|TInt32 | EDbColLongText8 |
-//---------------------------
-//
-void CIRSessionDb::CreateSessionTableL()
- {
- IRLOG_DEBUG( "CIRSessionDb::CreateSessionTableL" );
- //start time of session
- TDbCol sessionid(KID, EDbColInt32);
- sessionid.iAttributes = TDbCol::ENotNull;
-
- //!this column is used to store preset data
- //!The column stores a potentially large amount of non-Unicode text data.
- TDbCol sessionlogcol(KSessionLogCol, EDbColLongText8);
- sessionlogcol.iAttributes = TDbCol::ENotNull;
-
- CDbColSet* sessionlogcolset = CDbColSet::NewLC();
- sessionlogcolset->AddL(sessionid);
- sessionlogcolset->AddL(sessionlogcol);
-
- // Create the sessionlog table with two columns
-
- User::LeaveIfError(iSessionDb.CreateTable(KSessionTable,
- *sessionlogcolset));
-
- //Create the KeyIndex for the table
- CreateSessionIndexL();
- CleanupStack::PopAndDestroy(sessionlogcolset);
- IRLOG_DEBUG( "CIRSessionDb::CreateSessionTableL - Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// Function : CreateSessionIndexL
-// sets sessionid as the primary key
-// ---------------------------------------------------------------------------
-//
-void CIRSessionDb::CreateSessionIndexL()
- {
- IRLOG_DEBUG( "CIRSessionDb::CreateSessionIndexL" );
- TDbKeyCol sessionid(KID);
- CDbKey* index = CDbKey::NewLC();
- index->AddL(sessionid);
- User::LeaveIfError(iSessionDb.CreateIndex( KSessionIndex, KSessionTable,
- *index));
- CleanupStack::PopAndDestroy(index);
- IRLOG_DEBUG( "CIRSessionDb::CreateSessionIndexL - Exiting." );
- }
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::OpenDbL()
-// opening the data base
-// ---------------------------------------------------------------------------
-//
- void CIRSessionDb::OpenDbL()
- {
- IRLOG_DEBUG( "CIRSessionDb::OpenDbL" );
- CloseDb();
- TInt error = KErrNone;
- if( !BaflUtils::FileExists(iFsSession, iDbFile) )
- {
- //if file doesn't exist function leaves with error code
- //KErrNotFound
- error = KErrNotFound;
- User::LeaveIfError(error);
- }
-
- error = iSessionDb.Open(iFsSession,iDbFile);
- if( error!=KErrNone )
- {
- //if database is failed to open then
- //function leaves
- IRLOG_ERROR2( "CIRSessionDb::OpenDbL - Opening session database failed (%d)", error );
- User::LeaveIfError(error);
- }
- if( iSessionDb.IsDamaged() || !iSessionDb.InTransaction() )
- {
- //if data base is damaged then
- //it tried to recover
- //if recovery is not possible function leaves
- error = iSessionDb.Recover();
- if ( KErrNone == error)
- {
- //if recovered data base is compacted
- error = iSessionDb.Compact();
- }
- User::LeaveIfError(error);
- }
- IRLOG_DEBUG( "CIRSessionDb::OpenDbL - Exiting." );
- }
-
-
-// ---------------------------------------------------------------------------
-// CIRSessionDb::CreateDbL()
-// Creates both the dbms files
-// calls CreateFavMasterTableL(),CreateFavUrlTableL
-// database filename
-// ---------------------------------------------------------------------------
-//
- void CIRSessionDb::CreateDbL(TFileName& aSession)
- {
- IRLOG_DEBUG( "CIRSessionDb::CreateDbL" );
- CloseDb();
- TInt error = iSessionDb.Replace(iFsSession,aSession);
- if ( error != KErrNone )
- {
- IRLOG_ERROR2( "CIRSessionDb::CreateDbL - Creating session database failed (%d)", error );
- }
- User::LeaveIfError(error);
- CreateSessionTableL();
- IRLOG_DEBUG( "CIRSessionDb::CreateDbL - Exiting." );
- }
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