1 /*

     2 * Copyright (c) 2007-2009 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 the License "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 * Example Code

    16 * No changes necessary to support User Prompt Service

    17 *

    18 */

    19 

    20 

    21 #include <e32cmn.h>

    22 #include "tmsgclient.h"

    23 

    24 static TInt StartServer()

    25 	{

    26 	const TUidType serverUid(KNullUid,KNullUid,KMsgServerUid3);

    27 	RProcess server;

    28 	TInt r=server.Create(KMsgServerImg,KNullDesC,serverUid);

    29 	if (r!=KErrNone)

    30 		return r;

    31 	TRequestStatus stat;

    32 	server.Rendezvous(stat);

    33 	if (stat!=KRequestPending)

    34 		server.Kill(0);		// abort startup

    35 	else

    36 		server.Resume();	// logon OK - start the server

    37 	User::WaitForRequest(stat);		// wait for start or death

    38 	r=(server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();

    39 	server.Close();

    40 	return r;

    41 	}

    42 

    43 EXPORT_C TInt RMsgSession::Connect()

    44 	{

    45 	TInt retry=2;

    46 	for (;;)

    47 		{

    48 		TVersion version(KMsgServerVersionMajor, KMsgServerVersionMinor, KMsgServerVersionBuild);

    49 		TInt r=CreateSession(KMsgServerName, version);

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

    51 			return r;

    52 		if (--retry==0)

    53 			return r;

    54 		r=StartServer();

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

    56 			return r;

    57 		}

    58 	}

    59 

    60 EXPORT_C void RMsgSession::SendMsg(const TDesC& aTo, const TDesC& aBody, TRequestStatus& aStatus) const

    61 /**

    62  Sends a message

    63  @param aTo		The recipient of the message.

    64  @param	aBody	The message body.	

    65  @param aStatus	The server completes this request object when it has finished handling the request. 

    66  */

    67 	{

    68 	aStatus = KRequestPending;

    69 	SendReceive(ESendMsg, TIpcArgs(&aTo, &aBody), aStatus);

    70 	}

    71 

    72 EXPORT_C void RMsgSession::CancelSendMsg() const

    73 /**

    74  Cancels an active call to SendMsg

    75  */

    76 	{

    77 	SendReceive(ECancelSendMsg);

    78 	}