bearermanagement/S60MCPR/src/s60extendedtmselector.cpp
changeset 0 5a93021fdf25
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     1 /*
       
     2 * Copyright (c) 2008-2009 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: S60 IP TM selector implementation
       
    15 *
       
    16 */
       
    17 
       
    18 /**
       
    19 @file s60tiermanagerselector.cpp
       
    20 S60 IP TM selector implementation
       
    21 */
       
    22 
       
    23 #include <comms-infras/ss_log.h>
       
    24 #include <comms-infras/ss_tiermanagerutils.h>
       
    25 #include <commsdattypesv1_1.h> // CommsDat
       
    26 #include <es_connpref.h>    //TConnIdList
       
    27 #include <commdbconnpref.h>
       
    28 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
       
    29 #include <commsdattypeinfov1_1_internal.h>
       
    30 #include <commsdattypesv1_1_partner.h> 
       
    31 #endif
       
    32 #include <extendedconnpref.h>
       
    33 
       
    34 #include "s60extendedtmselector.h"
       
    35 #include "s60tiermanagerfactory.h"
       
    36 #include "s60mcpr.h"
       
    37 
       
    38 #include <comms-infras/esock_params_internal.h>
       
    39 
       
    40 
       
    41 using namespace ESock;
       
    42 using namespace CommsDat;
       
    43 
       
    44 // -----------------------------------------------------------------------------
       
    45 // IpProto Tier Manager's UID.
       
    46 // Since meaning of the selection policy id changes with
       
    47 // the legacy flavor it is difficult to derive the next layer
       
    48 // tier's id dynamically when supporting all of the legacy scenarios.
       
    49 // At the same time it is known that for all of these legacy
       
    50 // setups this is and always will be the only next layer tier manager.
       
    51 // -----------------------------------------------------------------------------
       
    52 static const TUid KLegacyNextLayerTierId = { 0x10281DF0 }; //CIPProtoTierManagerFactory::iUid
       
    53 
       
    54 // -----------------------------------------------------------------------------
       
    55 // CExtendedS60SelectorBase::CExtendedS60SelectorBase
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 CExtendedS60SelectorBase::CExtendedS60SelectorBase(  TUid aTierId, const ESock::RConnPrefList& aConnPrefList )
       
    59     :    ASimpleSelectorBase( )
       
    60     {
       
    61     iTierId = aTierId;
       
    62     iConnPrefList = aConnPrefList;
       
    63     }
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // CExtendedS60SelectorBase::~CExtendedS60SelectorBase
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 CExtendedS60SelectorBase::~CExtendedS60SelectorBase()
       
    70     {
       
    71     }
       
    72         
       
    73 // -----------------------------------------------------------------------------
       
    74 // CExtendedS60SelectorBase::SelectL
       
    75 // -----------------------------------------------------------------------------
       
    76 //
       
    77 void CExtendedS60SelectorBase::SelectL(ISelectionNotify& aSelectionNotify)
       
    78     {
       
    79     //This code doesn't need to be in a seperate selector. It could be moved to
       
    80     //a transition if the method FindOrCreateProviderL was re-created in
       
    81     //another file (it is currently inherited from ASimpleSelectorBase)
       
    82 
       
    83     CMDBSession* dbs = CMDBSession::NewLC(KCDVersion1_2);
       
    84 
       
    85     iTierRecord = TierManagerUtils::LoadTierRecordL(iTierId,*dbs);
       
    86     CleanupStack::Pop();
       
    87     iDbs = dbs;
       
    88 
       
    89     //__ASSERT_DEBUG(iDbs, User::Panic(KSpecAssert_ESockCrPrvTMSelC, 1));
       
    90     //__ASSERT_DEBUG(iTierRecord, User::Panic(KSpecAssert_ESockCrPrvTMSelC, 2));
       
    91 
       
    92     TUint accessPoint = 0;
       
    93     CCDAccessPointRecord* apRec;
       
    94     TUid tierId;
       
    95     TUint selected = 0;
       
    96 
       
    97     // Get sub session unique id
       
    98     ESock::RConnPrefList::TIter<TConnCSRPref> iterCSR = iConnPrefList.getIter<TConnCSRPref>();
       
    99 
       
   100     // If no prefs in list return error
       
   101     if (iterCSR.IsEnd())
       
   102         {
       
   103         User::Leave(KErrArgument);
       
   104         }
       
   105     
       
   106     //This iterator runs through all the instances of TConnCSRPref
       
   107     while(!iterCSR.IsEnd())
       
   108         {
       
   109         iSubSessionUniqueId = iterCSR->SubSessionUniqueId();
       
   110         iterCSR++;
       
   111         }
       
   112     
       
   113     //This iterator links to all the elements of TExtendedConnPref that exist in the list
       
   114     ESock::RConnPrefList::TIter<TExtendedConnPref> iterAP = iConnPrefList.getIter<TExtendedConnPref>();
       
   115 
       
   116     // If no prefs in list return error
       
   117     if (iterAP.IsEnd())
       
   118         {
       
   119         User::Leave(KErrArgument);
       
   120         }
       
   121     
       
   122     //This iterator runs through all the instances of TExtendedConnPref
       
   123     while(!iterAP.IsEnd())
       
   124         {
       
   125         accessPoint = iTierRecord->iDefaultAccessPoint;
       
   126         //The access point record that that access point represents is retrived
       
   127         apRec = TierManagerUtils::LoadAccessPointRecordL(accessPoint,*iDbs);
       
   128         tierId = TierManagerUtils::MapElementIdToTagId(apRec->iTier, *iDbs);
       
   129 
       
   130         delete apRec;
       
   131         // If the access point is related to this tier manager the provider
       
   132         // is created
       
   133         if(iTierId == tierId)
       
   134             {
       
   135             aSelectionNotify.SelectComplete(this, FindOrCreateProviderL(accessPoint));
       
   136             ++selected;
       
   137             iterAP++;
       
   138             // For now we accept only one instance of TExtendedConnPref 
       
   139             break;
       
   140             }
       
   141         else
       
   142             {
       
   143             LOG_DETAILED( ESockLog::Printf(KCoreTMgrSelSupSubTag, _L("CCoreProviderSelectorSuper %08x:\t AP %d not in tier %08x"), this, accessPoint, iTierId) );
       
   144             iterAP++;
       
   145             }
       
   146         }
       
   147 
       
   148     if (selected == 0)
       
   149         {
       
   150         LOG_DETAILED( ESockLog::Printf(KCoreTMgrSelSupSubTag, _L("CCoreProviderSelectorSuper %08x:\t No APs selected [Tier: %08x]"), this, iTierId) );
       
   151         User::Leave(KErrArgument);
       
   152         }
       
   153     
       
   154     aSelectionNotify.SelectComplete(this, NULL);
       
   155     return;
       
   156     }
       
   157 
       
   158 // -----------------------------------------------------------------------------
       
   159 // CExtendedS60SelectorBase::FindOrCreateProviderL
       
   160 // -----------------------------------------------------------------------------
       
   161 //
       
   162 CMetaConnectionProviderBase* CExtendedS60SelectorBase::FindOrCreateProviderL( TUint aAccessPoint )
       
   163     {
       
   164     ASSERT(aAccessPoint); //Should not be 0 now.
       
   165 
       
   166     //Find factory
       
   167     TUid mCprUid = TierManagerUtils::ReadMCprUidL( aAccessPoint, *iDbs );
       
   168     CMetaConnectionProviderFactoryBase* factory = 
       
   169         static_cast<CMetaConnectionProviderFactoryBase*>(iMetaContainer.FindOrCreateFactoryL( mCprUid ));
       
   170 
       
   171     //Create the provider
       
   172     TUid tierId = TUid::Uid( iTierRecord->iRecordTag );
       
   173     TProviderInfo providerInfo( tierId, aAccessPoint );
       
   174     TUid tierImplUid = TierManagerUtils::MapTierIdtoTierImplIdL(tierId,*iDbs);
       
   175     TMetaConnectionFactoryQuery query( providerInfo, tierImplUid );
       
   176     
       
   177     //We are not looking for an existing provider, we always create a new one.
       
   178     //This is the legacy selection (can also be the legacy attach, one layer deep selection)
       
   179     CMetaConnectionProviderBase* provider = static_cast<CMetaConnectionProviderBase*>( factory->CreateObjectL( query ));
       
   180     CS60MetaConnectionProvider* prov = static_cast<CS60MetaConnectionProvider*>( provider );
       
   181     
       
   182     CleanupStack::PushL( provider );
       
   183     
       
   184     // Provision selection preferences to S60 NetMCPR.
       
   185     prov->SetConnPrefList( iConnPrefList );
       
   186     prov->SetSubSessionUniqueId( iSubSessionUniqueId );
       
   187     
       
   188     // Change the provider info so that this provider is never found by other selections
       
   189     const TProviderInfo& pi = provider->ProviderInfo();
       
   190     provider->SetProviderInfo( TProviderInfo( pi.TierId(), pi.APId(), provider )); //This provider will never be found
       
   191    
       
   192     // Override the selection policy as we always do for legacy prefs
       
   193     ASSERT(provider->AccessPointConfig().FindExtension(TOverridenSelectionPrefsExt::TypeId())==NULL);
       
   194 
       
   195     RMetaExtensionContainer mec;
       
   196     mec.Open(provider->AccessPointConfig());
       
   197     CleanupClosePushL(mec);
       
   198 
       
   199     TOverridenSelectionPrefsExt* ext = new (ELeave) TOverridenSelectionPrefsExt( KLegacyNextLayerTierId, iSelectionPrefs );
       
   200     CleanupStack::PushL( ext );
       
   201     mec.AppendExtensionL( ext ); //The ownership of the extension goes to AccessPointConfig now.
       
   202     CleanupStack::Pop( ext );
       
   203 
       
   204     provider->AccessPointConfig().Close();
       
   205     provider->AccessPointConfig().Open(mec);
       
   206     CleanupStack::PopAndDestroy(&mec);
       
   207     
       
   208     CleanupStack::Pop( provider );
       
   209     provider->IncrementBlockingDestroy();
       
   210     return provider;
       
   211     }
       
   212 
       
   213