1 /*

     2 * Copyright (c) 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 "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 * Main entry point of EmailServerMonitor

    16 *

    17 */

    18 

    19 //  Include Files  

    20 #include <e32base.h>

    21 #include <e32std.h>

    22 #include <e32des16.h>                   // Descriptors

    23 #include <bacline.h>                    // CCommandLineArguments

    24 

    25 #include "emailtrace.h"

    26 #include "emailshutdownconst.h"

    27 #include "emailservermonitorconst.h"

    28 #include "emailservermonitorutilities.h"

    29 #include "emailservermonitor.h"

    30 #include "emailshutter.h"

    31 

    32 

    33 // ---------------------------------------------------------------------------

    34 // Defines operation mode by parsing command line parameters

    35 // ---------------------------------------------------------------------------

    36 //

    37 LOCAL_C TEmailServerMonitorMode ParseCommandLineArgumentsL()

    38     {

    39     FUNC_LOG;

    40     TEmailServerMonitorMode mode = EEsmModeNormal;

    41     

    42     CCommandLineArguments* args = CCommandLineArguments::NewLC();

    43     // Check if some command line arguments were given

    44     if( args->Count() > 1 )

    45        {

    46        TPtrC argumentPtr( args->Arg(1) );

    47        if( argumentPtr == KEmailShutdownHandlerArgOnlyShutter )

    48            {

    49            mode = EEsmModeOnlyShutter;

    50            }

    51        else if( argumentPtr == KEmailShutdownHandlerArgRestart )

    52            {

    53            mode = EEsmModeRestartAfterInstallation;

    54            }

    55        }

    56     CleanupStack::PopAndDestroy(args);

    57     

    58     INFO_1( "TEmailServerMonitorMode: %d", mode );

    59     return mode;

    60     }

    61 

    62 // ---------------------------------------------------------------------------

    63 // Starts active scheduler, runs the needed operations, and then deletes

    64 // the active scheduler when everything is done

    65 // ---------------------------------------------------------------------------

    66 //

    67 LOCAL_C void DoStartL()

    68     {

    69     FUNC_LOG;

    70     // Create active scheduler (to run active objects)

    71     CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();

    72     CleanupStack::PushL(scheduler);

    73     CActiveScheduler::Install(scheduler);

    74     

    75     TEmailServerMonitorMode mode = ParseCommandLineArgumentsL();

    76 

    77     // Start email shutter functionality

    78     CEmailShutter* shutter = CEmailShutter::NewLC();

    79     if( mode == EEsmModeRestartAfterInstallation )

    80         {

    81         shutter->SetPsKeyInstallationFinished();

    82         shutter->RestartServicesAfterInstallation();

    83         }

    84     shutter->StartObservingShutdownEvent();

    85 

    86     CEmailServerMonitor* monitor = NULL;

    87     if( mode != EEsmModeOnlyShutter )

    88         {

    89         // Start email server observing functionality

    90         monitor = CEmailServerMonitor::NewLC();

    91         monitor->Start();

    92         shutter->SetMonitor( monitor );

    93         }

    94 

    95     // Complete client's Rendezvous

    96     RProcess::Rendezvous( KErrNone );

    97     

    98     // Start asynchronous services

    99     CActiveScheduler::Start();

   100     

   101     INFO( "ActiveScheduler stopped, closing down" );

   102     // Cancel any pending requests and delete handler objects

   103     // after active scheduler is stopped

   104     

   105     if( monitor )

   106         {

   107         monitor->Cancel();

   108         CleanupStack::PopAndDestroy( monitor );

   109         }

   110     

   111     shutter->Cancel();

   112     CleanupStack::PopAndDestroy( shutter );

   113 

   114     // Delete active scheduler

   115     CleanupStack::PopAndDestroy( scheduler );

   116     }

   117 

   118 // ======== GLOBAL FUNCTIONS ========

   119 

   120 // ---------------------------------------------------------------------------

   121 // Executable main entry point

   122 // ---------------------------------------------------------------------------

   123 //

   124 GLDEF_C TInt E32Main()

   125     {

   126     FUNC_LOG;

   127     __UHEAP_MARK;

   128 

   129     RProcess ownProcess;

   130     TSecureId ownUid = ownProcess.SecureId();

   131     INFO_1( "%S", &ownProcess.FileName() );

   132     ownProcess.Close();

   133 

   134     // Just exit if there is another process already running

   135     if( IsProcessRunning( ownUid ) )

   136         {

   137         INFO( "Another instance of Email Server Monitor already running!" );

   138         }

   139     else

   140         {

   141         // Rename thread for debug purposes, return code can be ignored

   142         RThread::RenameMe( KEmailServerMonitorName );

   143     

   144         // Create the cleanup stack

   145         CTrapCleanup* cleanup = NULL;

   146         cleanup = CTrapCleanup::New();

   147         if ( !cleanup )

   148             {

   149             // No errors leaked outside, return success.

   150             INFO( "Could not create clean up stack!" );

   151             return KErrNone;

   152             }

   153     

   154         // Run application code inside TRAP harness

   155         TRAPD( mainError, DoStartL() );

   156         

   157         if( mainError != KErrNone )

   158             {

   159             ERROR_1( mainError, "Email Server Monitor main error code: %d", mainError );

   160             }

   161         

   162         delete cleanup;

   163         }

   164 

   165     INFO( "Email Server Monitor finished!" );

   166     __UHEAP_MARKEND;

   167     return KErrNone;

   168     }