smsprotocols/smsstack/smsu/src/smsuact.cpp
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child 42 3adadc800673
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     1 // Copyright (c) 1998-2009 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 // Implements the CSmsuActive class
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file
       
    20 */
       
    21 
       
    22 #include "smsuact.h"
       
    23 #include "SmsuTimer.h"
       
    24 #include "smsstacklog.h"
       
    25 #include "smsumain.h"
       
    26 
       
    27 /**
       
    28  *  Constructor.
       
    29  *  
       
    30  *  @param aPriority Active object priority
       
    31  *  @capability None
       
    32  */
       
    33 EXPORT_C CSmsuActiveBase::CSmsuActiveBase(TInt aPriority)
       
    34 : CActive(aPriority)
       
    35 	{
       
    36 	CActiveScheduler::Add(this);
       
    37 	} // CSmsuActiveBase::CSmsuActiveBase
       
    38 
       
    39 
       
    40 /**
       
    41  *  Destructor.
       
    42  *  @capability None
       
    43  */
       
    44 EXPORT_C CSmsuActiveBase::~CSmsuActiveBase()
       
    45 	{
       
    46 	Cancel();
       
    47 	delete iSmsuTimeout;
       
    48 	} // CSmsuActiveBase::~CSmsuActiveBase
       
    49 
       
    50 
       
    51 /**
       
    52  *  Constructs a timer.
       
    53  *  
       
    54  *  This is required before use of TimedSetActive().
       
    55  *  @capability None
       
    56  */
       
    57 EXPORT_C void CSmsuActiveBase::ConstructTimeoutL()
       
    58 	{
       
    59 	LOGSMSU1("CSmsuActiveBase::ConstructTimeoutL()");
       
    60 
       
    61 	iSmsuTimeout = CSmsuTimeout::NewL(*this);
       
    62 	} // CSmsuActiveBase::ConstructTimeoutL
       
    63 
       
    64 
       
    65 /**
       
    66  *  Activates the object, and sets it to be completed after a specified time.
       
    67  *  
       
    68  *  @param aTimeIntervalMicroSeconds32 Time after which to complete the object
       
    69  *  @capability None
       
    70  */
       
    71 EXPORT_C void CSmsuActiveBase::TimedSetActive(const TTimeIntervalMicroSeconds32& aTimeIntervalMicroSeconds32)
       
    72 	{
       
    73 	LOGSMSU2("CSmsuActiveBase::TimedSetActive(): aTimeIntervalMicroSeconds32=%d",
       
    74 			 aTimeIntervalMicroSeconds32.Int());
       
    75 
       
    76 	__ASSERT_DEBUG(iSmsuTimeout != NULL, SmsuPanic(ESmsuTimeoutNull));
       
    77 	
       
    78 	if (iSmsuTimeout != NULL)
       
    79 		{
       
    80 		iSmsuTimeout->Start(aTimeIntervalMicroSeconds32);
       
    81 		}
       
    82 
       
    83 	SetActive();
       
    84 	} // CSmsuActiveBase::TimedSetActive
       
    85 
       
    86 
       
    87 /**
       
    88  *  Cancels a TimedSetActive() request.
       
    89  *
       
    90  *  @see TimedSetActive
       
    91  */
       
    92 EXPORT_C void CSmsuActiveBase::TimedSetActiveCancel()
       
    93 	{
       
    94 	LOGSMSU1("CSmsuActiveBase::TimedSetActiveCancel()");
       
    95 
       
    96 	if (iSmsuTimeout != NULL)
       
    97 		{
       
    98 		iSmsuTimeout->Cancel();
       
    99 		}
       
   100 	} // CSmsuActiveBase::TimedSetActiveCancel
       
   101 
       
   102 
       
   103 /**
       
   104  *  Determines if the object has timed out.
       
   105  *
       
   106  *  @see TimedSetActive
       
   107  */
       
   108 EXPORT_C TBool CSmsuActiveBase::TimedOut() const
       
   109 	{
       
   110 	LOGSMSU1("CSmsuActiveBase::TimedOut()");
       
   111 
       
   112 	if (iSmsuTimeout != NULL)
       
   113 		{
       
   114 		return iSmsuTimeout->TimedOut();
       
   115 		}
       
   116 	
       
   117 	return EFalse;
       
   118 	} // CSmsuActiveBase::TimedOut
       
   119 
       
   120 
       
   121 /**
       
   122  *  Sets an asynchronous observer to which to report completion of this object.
       
   123  *  
       
   124  *  @param aStatus Asynchronous status word of the observer
       
   125  *  @capability None
       
   126  */
       
   127 EXPORT_C void CSmsuActiveBase::Queue(TRequestStatus& aStatus)
       
   128 	{
       
   129 	LOGSMSU1("CSmsuActiveBase::Queue()");
       
   130 
       
   131 	__ASSERT_DEBUG(iReport==NULL, SmsuPanic(ESmsuAlreadyActive));
       
   132 
       
   133 	aStatus=KRequestPending;
       
   134 	iReport=&aStatus;
       
   135 	} // CSmsuActiveBase::Queue
       
   136 
       
   137 
       
   138 /**
       
   139  *  Handles the object's request completion event.
       
   140  *  
       
   141  *  If a timer has been set with TimedSetActive(), this is cancelled. DoRunL()
       
   142  *  is then called. If, after this, the object is not active, Complete() is called.
       
   143  *  @capability None
       
   144  */
       
   145 EXPORT_C void CSmsuActiveBase::RunL()
       
   146 	{
       
   147 	LOGSMSU1("CSmsuActiveBase::RunL()");
       
   148 
       
   149 	if (iSmsuTimeout != NULL)
       
   150 		{
       
   151 		iSmsuTimeout->Cancel();
       
   152 		}
       
   153 
       
   154 	DoRunL();
       
   155 
       
   156     if (!IsActive())
       
   157     	{
       
   158         Complete(iStatus.Int());
       
   159         }
       
   160 	} // CSmsuActiveBase::RunL
       
   161 
       
   162 
       
   163 /**
       
   164  *  Object use complete.
       
   165  *  
       
   166  *  This is called at the end of the RunL(), if the RunL() has not reset the object
       
   167  *  to be active.
       
   168  *  
       
   169  *  If an observer has been set (see Queue()), DoComplete() is called, and that
       
   170  *  observer is signalled with the object status.
       
   171  *  
       
   172  *  @param aStatus Active object status word
       
   173  *  @capability None
       
   174  */
       
   175 EXPORT_C void CSmsuActiveBase::Complete(TInt aStatus)
       
   176 	{
       
   177 	LOGSMSU2("CSmsuActiveBase::Complete(): aStatus=%d", aStatus);
       
   178 
       
   179 	if (iReport)
       
   180 		{
       
   181 		DoComplete(aStatus);
       
   182 		User::RequestComplete(iReport, aStatus);
       
   183 		iReport = NULL;
       
   184 		}
       
   185 	} // CSmsuActiveBase::Complete
       
   186 
       
   187 
       
   188 /**
       
   189  *  Handles leaves occurring in the RunL() function.
       
   190  *  
       
   191  *  It calls Complete().
       
   192  *  
       
   193  *  @param aError RunL() leave code
       
   194  *  @return KErrNone
       
   195  *  @capability None
       
   196  */
       
   197 EXPORT_C TInt CSmsuActiveBase::RunError(TInt aError)
       
   198 	{
       
   199 	LOGSMSU2("CSmsuActiveBase::RunError(): aError=%d", aError);
       
   200 
       
   201 	__ASSERT_DEBUG(!IsActive(), User::Invariant());
       
   202 
       
   203 	Complete(aError);
       
   204 
       
   205 	return KErrNone;
       
   206 	} // CSmsuActiveBase::RunError
       
   207 
       
   208 
       
   209 /**
       
   210  *  Signals this object.
       
   211  *  
       
   212  *  @param aStatus Status code with which to signal the object
       
   213  *  @param aSetActive True to set the object to be active
       
   214  *  @capability None
       
   215  */
       
   216 EXPORT_C void CSmsuActiveBase::CompleteMyself(TInt aStatus, TBool aSetActive /* = ETrue */)
       
   217     {
       
   218     // Ignore in code coverage - not used within the SMS stack.
       
   219     BULLSEYE_OFF
       
   220     LOGSMSU3("CSmsuActiveBase::CompleteMyself(): aStatus=%d, aSetActive=%d",
       
   221              aStatus, aSetActive);
       
   222     
       
   223     // Initialise iStatus with a pending request...
       
   224     iStatus = KRequestPending;
       
   225     
       
   226     // Set active if required...
       
   227     if (aSetActive)
       
   228         {
       
   229         SetActive();
       
   230         }
       
   231 
       
   232     // Complete the request...
       
   233     TRequestStatus* status = &iStatus;
       
   234     
       
   235     User::RequestComplete(status, aStatus);
       
   236     BULLSEYE_RESTORE
       
   237     }
       
   238 
       
   239 /**
       
   240  *  This function is used to request that the active object is completed
       
   241  *  after the current timeout is handled. When a timeout occurs, the active
       
   242  *  object is cancelled which requires DoCancel() to be called. However
       
   243  *  the object is active until after the DoCancel() meaning it is not
       
   244  *  possible to make a new request. This function requests a second
       
   245  *  call to Complete() (via RunL etc.) which is done without the object
       
   246  *  being active.
       
   247  *
       
   248  *  This function can only be called when a timeout occurs, otherwise
       
   249  *  it would not get actioned.
       
   250  *  
       
   251  *  @param aStatus Status code with which to signal the object
       
   252  *
       
   253  *  @capability None
       
   254  */
       
   255 EXPORT_C void CSmsuActiveBase::CompleteMyselfAfterTimeout(TInt aStatus)
       
   256 	{
       
   257 	LOGSMSU2("CSmsuActiveBase::CompleteMyselfAfterTimeout(): aStatus=%d", aStatus);
       
   258 
       
   259 	__ASSERT_DEBUG(iSmsuTimeout != NULL, SmsuPanic(ESmsuTimeoutNull));
       
   260 	
       
   261 	if (iSmsuTimeout != NULL  &&  iSmsuTimeout->TimedOut())
       
   262 		{
       
   263 		iSmsuTimeout->RequestCompleteMyselfAfterCancel(aStatus);
       
   264 		}
       
   265 	} // CSmsuActiveBase::CompleteMyselfAfterTimeout