commonappservices/alarmserver/Client/Source/ASCliClientUtils.cpp
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     1 // Copyright (c) 1999-2009 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 //
       
    15 
       
    16 #include <ascliclientutils.h>
       
    17 
       
    18 // System includes
       
    19 #include <e32math.h>
       
    20 
       
    21 // User includes
       
    22 #include <asclidefinitions.h>
       
    23 
       
    24 //
       
    25 // ----> AlarmClientUtils (source)
       
    26 //
       
    27 
       
    28 /*
       
    29  * Panic the client
       
    30  */
       
    31 void AlarmClientUtils::Panic(TAlarmClientPanic aPanic)
       
    32 	{
       
    33 	_LIT(KAlarmServerClientPanic, "ALMSRVCLI");
       
    34 	User::Panic(KAlarmServerClientPanic, aPanic);
       
    35 	}
       
    36 
       
    37 
       
    38 /*
       
    39  * Panic the client, indicating some form of logic error or terminal
       
    40  * fault.
       
    41  */
       
    42 void AlarmClientUtils::Fault(TAlarmClientFault aFault)
       
    43 	{
       
    44 	_LIT(KAlarmServerClientFault, "ALMSRVCLIFAULT");
       
    45 	User::Panic(KAlarmServerClientFault, aFault);
       
    46 	}
       
    47 
       
    48 
       
    49 EXPORT_C TInt AlarmClientUtils::StartAlarmServer()
       
    50 /** Starts the alarm server.
       
    51 
       
    52 @return KErrNone if successful, KErrAlreadyExists if the server is already 
       
    53 running, otherwise a system-wide error. */
       
    54 	{
       
    55 	//
       
    56 	// EPOC is easy, we just create a new server process. Simultaneous launching
       
    57 	// of two such processes should be detected when the second one attempts to
       
    58 	// create the server object, failing with KErrAlreadyExists.
       
    59 	//
       
    60 	RProcess server;
       
    61 	TInt ret = server.Create(ASCliDefinitions::ServerImageName(), KNullDesC, ASCliDefinitions::ServerUidType());
       
    62 
       
    63 	// Did we manage to create the thread/process?
       
    64 	if	(ret != KErrNone)
       
    65 		return ret;
       
    66 
       
    67 	// Wait to see if the thread/process died during construction
       
    68 	TRequestStatus serverDiedRequestStatus;
       
    69 	server.Rendezvous(serverDiedRequestStatus);
       
    70 	
       
    71 	// do we have to abort?
       
    72 	if(serverDiedRequestStatus != KRequestPending)
       
    73 		{
       
    74 		server.Kill(0); // abort the sartup here
       
    75 		}
       
    76 	else
       
    77 		{
       
    78 		server.Resume(); // start server
       
    79 		}
       
    80 
       
    81     User::WaitForRequest(serverDiedRequestStatus);
       
    82     // determine the reason for the server exit
       
    83     TInt exitReason =(server.ExitType()==EExitPanic) ? KErrGeneral : serverDiedRequestStatus.Int();
       
    84 	server.Close();
       
    85 	return exitReason;
       
    86 	}