1 /*

     2 * Copyright (c) 2004-2005 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: 

    15 *

    16 */

    17 

    18 

    19 #ifndef _WSOCK_HOST_RESOLVER_H_

    20 #define _WSOCK_HOST_RESOLVER_H_

    21 

    22 #include <es_prot.h>

    23 

    24 class CWinsockHostResolver : public CHostResolvProvdBase

    25 {

    26     enum TResolveErr {

    27         EResolveOK,

    28         EResolveNoMore,

    29         EResolveFailed

    30     };

    31 

    32 private:

    33     HBufC* iHostName;

    34     const TWinProtocolDesc* iProtocolDesc;

    35 

    36 public:

    37     static CWinsockHostResolver* NewL(const TWinProtocolDesc* aProtocolDesc);

    38     virtual ~CWinsockHostResolver();

    39 

    40     // CHostResolvProvdBase

    41     virtual void GetByName(TNameRecord& aName);

    42     virtual void GetByAddress(TNameRecord& aName);

    43     virtual void SetHostName(TDes& aNameBuf);

    44     virtual void GetHostName(TDes& aNameBuf);

    45 

    46     // CResolverProvdBase

    47     virtual void CancelCurrentOperation();

    48 

    49 private:

    50     CWinsockHostResolver(const TWinProtocolDesc* aProtocolDesc);

    51     void ConstructL();

    52     TResolveErr Resolve6(const char* aName, TInt aIndex, TInetAddr* aAddr);

    53     TInt Resolve(const char* aName, TInt aIndex, TInetAddr* aAddr);

    54     TInt GetHostNameFromAddr6(const TIp6Addr& aAddr, THostName& aName);

    55     TInt GetHostNameFromAddr(TUint32 aAddr, THostName& aName);

    56 };

    57 

    58 #endif // _WSOCK_HOST_RESOLVER_H_