C++ CCommsDbTableView::UpdateRecord方法代码示例

/**
 * Function that takes an IP address from user input, accesses the
 * Bluetooth PAN Profile table in the CommDb and updates the IpAddr
 * field with the supplied address.
 */		
void CPanConnections::SetLocalIpAddrL(TUint32 addr)
	{
	iLocalIpAddr = addr;
	iSrcAddr.SetAddress(iLocalIpAddr);
	CCommsDatabase* db = CCommsDatabase::NewL();
	CleanupStack::PushL(db);
	// Get the LAN service table
	CCommsDbTableView* tableView = db->OpenTableLC(TPtrC(LAN_SERVICE));

	TBuf<KMaxBufferSize> tableName;
	TInt err = tableView->GotoFirstRecord();
	if(err == KErrNone)
		{
		// Get the name of the table
		tableView->ReadTextL(TPtrC(COMMDB_NAME), tableName);
		if(tableName == TPtrC(_S("BluetoothPANProfile")))
			{
			TInetAddr tempAddr;
			TBuf<KMaxBufferSize> dispBuf;
			tempAddr.SetAddress(iLocalIpAddr);
			tempAddr.Output(dispBuf);
			
			User::LeaveIfError(tableView->UpdateRecord());	
			tableView->WriteTextL(_L("IpAddr"), dispBuf);
		
			User::LeaveIfError(tableView->PutRecordChanges());
			User::LeaveIfError(db->CommitTransaction());	
			}
		}
	else
		{
		User::Leave(KErrNotFound);
		}
	CleanupStack::PopAndDestroy(2);//db & tableView 
	}

void XQAccessPointManagerPrivate::storeWPADataL(const TInt aIapId, const TDesC& aPresharedKey, const XQWLAN& aWlan)
{
    CCommsDbTableView* wLanServiceTable;
    
    CApUtils* apUtils = CApUtils::NewLC(*ipCommsDB);
    TUint32 iapId = apUtils->IapIdFromWapIdL(aIapId);
    CleanupStack::PopAndDestroy(apUtils);

    TUint32 serviceId;

    CCommsDbTableView* iapTable = ipCommsDB->OpenViewMatchingUintLC(TPtrC(IAP),
                                                                    TPtrC(COMMDB_ID),
                                                                    iapId);
    User::LeaveIfError(iapTable->GotoFirstRecord());
    iapTable->ReadUintL(TPtrC(IAP_SERVICE), serviceId);
    CleanupStack::PopAndDestroy( iapTable );

    wLanServiceTable = ipCommsDB->OpenViewMatchingUintLC(TPtrC(XQ_WLAN_SERVICE),
                                                         TPtrC(XQ_WLAN_SERVICE_ID),
                                                         serviceId );
    TInt errorCode = wLanServiceTable->GotoFirstRecord();
    if (errorCode == KErrNone) {
        User::LeaveIfError(wLanServiceTable->UpdateRecord());
    } else {
        TUint32 dummyUid(0);
        User::LeaveIfError(wLanServiceTable->InsertRecord(dummyUid));
        wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_SERVICE_ID), aIapId);
    }
    CleanupCancelPushL(*wLanServiceTable);

    TBool usesPsk(aWlan.usesPreSharedKey());
    // Save WPA Mode
    wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_ENABLE_WPA_PSK), usesPsk); 
    
    // Save security mode
    wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_SECURITY_MODE),
                                 fromQtSecurityModeToS60SecurityMode(aWlan.securityMode())); 

    // Save PreShared Key
    TBuf8<KWpaKeyMaxLength> keyWPA;
    
    //convert to 8 bit
    keyWPA.Copy(aPresharedKey);
    wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_WPA_PRE_SHARED_KEY),keyWPA);

    // Check and save PreShared Key Length
    TInt len(keyWPA.Length());
        
    wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_WPA_KEY_LENGTH),len);

    User::LeaveIfError(wLanServiceTable->PutRecordChanges());

    CleanupStack::Pop(wLanServiceTable); // table rollback...
    CleanupStack::PopAndDestroy(wLanServiceTable);
}

/**
 * Function that accesses the PAN Service Table in the CommsDb and configures
 * the IAP to the required settings.
 */		
void CPanConnections::ConfigureIAPL(TBool aIsListening, TBTDevAddr* aDevAddr, TBool aUsePANNotifier)
	{
	// Open CommDb and get a view of the PAN service extentions table.
	CCommsDatabase* db = CCommsDatabase::NewL();
	CleanupStack::PushL(db);
	CCommsDbTableView* tableView = db->OpenTableLC(TPtrC(PAN_SERVICE_EXTENSIONS));

	TBuf<KMaxBufferSize> tableName;
	TInt err = tableView->GotoFirstRecord();
	if(err == KErrNone)
		{
		tableView->ReadTextL(TPtrC(COMMDB_NAME), tableName);
		if(tableName == TPtrC(_S("PANServiceExtensionsTable1")))
			{
			
			User::LeaveIfError(tableView->UpdateRecord());// Start update
			//enable listening mode	
			tableView->WriteBoolL(TPtrC(PAN_ALLOW_INCOMING),aIsListening);
			tableView->WriteBoolL(TPtrC(PAN_DISABLE_SDP_QUERY), 0);

			tableView->WriteBoolL(TPtrC(PAN_PROMPT_FOR_REMOTE_DEVICES), aUsePANNotifier);

			if(aDevAddr)
				{
				TBuf<KMaxBufferSize> buf;
				aDevAddr->GetReadable(buf);

				tableView->WriteTextL(TPtrC(PAN_PEER_MAC_ADDRESSES), buf);
				}
			else
				{
				tableView->WriteTextL(TPtrC(PAN_PEER_MAC_ADDRESSES), _L(""));
				}
			// Finalise changes made.
			User::LeaveIfError(tableView->PutRecordChanges());// Finish update
			User::LeaveIfError(db->CommitTransaction());

			CleanupStack::PopAndDestroy(2); // db & tableView
			return;
			}
		}
	User::Leave(KErrNotFound);
	}

/**
 * Function that accesses the PAN Service table in the CommDb 
 * and applies the appropriate role, this function will be used for
 * local or peer as well as the PAN role (U or Gn).
 */	
void CPanConnections::SetFixedRoleL(TSide aSide, TUint aRole)
	{
	if (aSide == ELocalRole)
		iLocalRole = aRole;
	else
		iPeerRole = aRole;
	
	CCommsDatabase* db = CCommsDatabase::NewL();
	CleanupStack::PushL(db);
	CCommsDbTableView* tableView = db->OpenTableLC(TPtrC(PAN_SERVICE_EXTENSIONS));

	TBuf<KMaxBufferSize> tableName;
	TInt err = tableView->GotoFirstRecord();
	if(err == KErrNone)
		{
		tableView->ReadTextL(TPtrC(COMMDB_NAME), tableName);
		if(tableName == TPtrC(_S("PANServiceExtensionsTable1")))
			{
			User::LeaveIfError(tableView->UpdateRecord());	
			if(aSide == ELocalRole)
				{
				tableView->WriteBoolL(TPtrC(PAN_LOCAL_ROLE), aRole);
				}
			else 
				{
				tableView->WriteBoolL(TPtrC(PAN_PEER_ROLE), aRole);
				}
			User::LeaveIfError(tableView->PutRecordChanges());
			User::LeaveIfError(db->CommitTransaction());

			CleanupStack::PopAndDestroy(2);
			return;
			}
		}
	User::Leave(KErrNotFound);
	}

void XQAccessPointManagerPrivate::storeWEPDataL(const TInt aIapId, const TDesC& aPresharedKey)
{
    CCommsDbTableView* wLanServiceTable;

    CApUtils* apUtils = CApUtils::NewLC(*ipCommsDB);
    TUint32 iapId = apUtils->IapIdFromWapIdL(aIapId);
    CleanupStack::PopAndDestroy(apUtils);

    TUint32 serviceId;

    CCommsDbTableView* iapTable = ipCommsDB->OpenViewMatchingUintLC(TPtrC(IAP),
                                                                    TPtrC(COMMDB_ID),
                                                                    iapId);
                            
    User::LeaveIfError(iapTable->GotoFirstRecord());
    iapTable->ReadUintL(TPtrC(IAP_SERVICE), serviceId);
    CleanupStack::PopAndDestroy(iapTable);

    wLanServiceTable = ipCommsDB->OpenViewMatchingUintLC(TPtrC(XQ_WLAN_SERVICE),
                                                         TPtrC(XQ_WLAN_SERVICE_ID),
                                                         serviceId);
    TInt errorCode = wLanServiceTable->GotoFirstRecord();
    if (errorCode == KErrNone) {
        User::LeaveIfError(wLanServiceTable->UpdateRecord());
    }
    else {
        TUint32 dummyUid = 0;
        User::LeaveIfError(wLanServiceTable->InsertRecord(dummyUid));
        wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_SERVICE_ID), aIapId);
    }
    
    CleanupCancelPushL(*wLanServiceTable);

    // Save index of key in use
    TUint32 keyInUse(KFirstWepKey);
    wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_WEP_INDEX), keyInUse);

    // Save authentication mode
    TUint32 auth(0); // set to open... 
    if (isS60VersionGreaterThan3_1()) {  
        //TODO: wLanServiceTable->WriteUintL(TPtrC(NU_WLAN_AUTHENTICATION_MODE), auth);
    } else {
        wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_AUTHENTICATION_MODE), auth);
    }
    // not we need to convert the key.... to 8bit and to hex... and again detect the required bits..
    TBuf8<KMaxWepKeyLen> key;
    
    //convert to 8 bit
    key.Copy(aPresharedKey);

    TBool useHex(EFalse);
    TWepKeyLength keyLength;
    TBool validKey = validWepKeyLength(aPresharedKey, useHex, keyLength);
    
    if (!useHex) {
        // Must be converted to hexa and stored as a hexa
        // Ascii key is half the length of Hex
        HBufC8* buf8Conv = HBufC8::NewLC(key.Length() * 2);
        asciiToHex(key, buf8Conv);
        
        if (isS60VersionGreaterThan3_1()) {  
            wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_HEX_WEP_KEY1), buf8Conv->Des());
        } else {
            wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_WEP_KEY1), buf8Conv->Des());
        }
        CleanupStack::PopAndDestroy(buf8Conv);
    } else if (isHex(aPresharedKey)) {
        //already in hexa format
        if (isS60VersionGreaterThan3_1()) {  
            wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_HEX_WEP_KEY1), key);
        } else {
            wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_WEP_KEY1), key);
        }
    }
  
    wLanServiceTable->WriteUintL(TPtrC(XQ_WLAN_WEP_KEY1_FORMAT), useHex);
  
    key.Zero();
    // write default values to the rest of the columns
    if (isS60VersionGreaterThan3_1()) {  
        wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_HEX_WEP_KEY2), 
                                     key);
    } else { 
        wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_WEP_KEY2), 
                                     key );
    }
    // Save third WEP key
    if (isS60VersionGreaterThan3_1()) {  
        wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_HEX_WEP_KEY3), 
                                     key);
    } else { 
        wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_WEP_KEY3), 
                                     key);
    }
    // Save fourth WEP key
    if (isS60VersionGreaterThan3_1()) {  
        //TODO: wLanServiceTable->WriteTextL(TPtrC(NU_WLAN_WEP_KEY4), 
        //                             key);
    } else {
        wLanServiceTable->WriteTextL(TPtrC(XQ_WLAN_WEP_KEY4), 
//.........这里部分代码省略.........