1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // dnsserverconfig.h

    15 // Source file for the DNS Proxy client side implementation.

    16 //

    17 

    18 

    19 

    20 /**

    21  @file

    22  @internalComponent

    23 */

    24 

    25 #include "dnsproxyclientconfigparams.h"

    26 #include "dnsproxyclient.h"

    27 

    28 // Runs client-side and starts the separate server process

    29 static TInt StartTheServer()

    30     {

    31     _LIT(KServerExecutableName,"DNSProxy.exe");

    32 

    33     RProcess server;

    34 

    35     TInt err = server.Create(KServerExecutableName, KNullDesC);

    36     if (err != KErrNone)

    37         return err;

    38 

    39     TRequestStatus stat;

    40     server.Rendezvous(stat);

    41     if (stat!=KRequestPending)

    42     	//abort startup

    43         server.Kill(0);

    44     else

    45     	//logon OK - start the server

    46         server.Resume();

    47 

    48    // wait for start or death

    49     User::WaitForRequest(stat);

    50 

    51     err = server.ExitType();

    52     if (EExitPanic == err)

    53         err = KErrGeneral;

    54     else

    55         err = stat.Int();

    56 

    57     // This is no longer needed

    58     server.Close();

    59     return err;

    60     }

    61 

    62 

    63 EXPORT_C TInt RDNSClient::Connect()

    64 /**

    65  * This method is used to connect to the server

    66  * @return TInt

    67  *

    68  * @internalTechnology

    69  **/

    70     {

    71     TInt retry=2;

    72 

    73     for (;;)

    74         {

    75         // Uses system-pool message slots

    76         TInt r=CreateSession(KServerName,TVersion(1,0,0));

    77         if ( (KErrNotFound!=r) && (KErrServerTerminated!=r) )

    78             return (r);

    79         if (--retry==0)

    80             return (r);

    81         r=StartTheServer();

    82         if ( (KErrNone!=r) && (KErrAlreadyExists!=r) )

    83             return (r);

    84         }

    85     }

    86 

    87 EXPORT_C void RDNSClient::ConfigureDnsProxyServer(const TDes8& aInfo, TRequestStatus& aStatus)

    88 /**

    89  * Client side message to configure DNS Proxy Server.

    90  * @param aInfo of type TDes8& which represents connection info

    91  *

    92  * @internalTechnology

    93  **/

    94     {

    95     SendReceive(EProxyConfigure, TIpcArgs(&aInfo),aStatus);

    96     }

    97 

    98 /**

    99  * Client side message to Add dns db

   100  * @param aAddress of type TDes& which represents IP address of the connected hosts.

   101  * @param aName of type TDes& which represents host name of the connected hosts.

   102  *

   103  * @internalTechnology

   104  **/

   105 EXPORT_C void RDNSClient::AddDbEntry(const TDes8& aHostName, const TDes& aIpAddress, TRequestStatus& aStatus)

   106     {

   107     SendReceive(EProxyAddDb,TIpcArgs(&aIpAddress,&aHostName),aStatus);

   108     }

   109 

   110 /**

   111  * Client side message to Remove dns db

   112  * @param aAddress of type TDes& which represents IP address of the connected hosts.

   113  * @param aName of type TDes& which represents host name of the connected hosts.

   114  *

   115  * @internalTechnology

   116  **/

   117 EXPORT_C void RDNSClient::RemoveDbEntry(const TDes& aIpAddress, TRequestStatus& aStatus)

   118     {

   119     SendReceive(EProxyRemoveDb,TIpcArgs(&aIpAddress),aStatus);

   120     }

   121 

   122 EXPORT_C void RDNSClient::UpdateDomainName(const TDes8& aName, TRequestStatus& aStatus)

   123 /**

   124  * Client side message to set domain name in the Dns proxy server

   125  * @param aAddress of type TDes& which represents IP address of the connected hosts.

   126  * @param aName of type TDes& which represents host name of the connected hosts.

   127  *

   128  * @internalTechnology

   129  **/

   130     {

   131 	SendReceive(EProxyUpdateDomainName,TIpcArgs(&aName),aStatus);

   132     }

   133    

   134 EXPORT_C void RDNSClient::ConfigureUplinkInfo(const TDes8& aName, TRequestStatus& aStatus)

   135 /**

   136  * Client side message to set the Uplink information

   137  * @param aInfo of type TDes8& which represents connection info 

   138  *

   139  * @internalTechnology

   140  **/

   141     {

   142     SendReceive(EProxyConfigureUplink,TIpcArgs(&aName),aStatus);

   143     }