realtimenetprots/sipfw/SIP/SigCompController/DefaultPlugin/src/sipsigcompcompartmentctx.cpp
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     1 // Copyright (c) 2002-2009 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 // Name          : sipSigcompcompartmentctx.cpp
       
    15 // Part of       : SIPSigComp
       
    16 // Version       : SIP/3.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "sipsigcompcompartmentctx.h"
       
    22 #include "sigcompcompartment.h"
       
    23 #include "MCompartmentCtxOwner.h"
       
    24 #include "MCompartmentCtxUser.h"
       
    25 
       
    26 const TInt KUserArrayGranularity = 4;
       
    27 
       
    28 // -----------------------------------------------------------------------------
       
    29 // CSipSigCompCompartmentCtx::NewL
       
    30 // -----------------------------------------------------------------------------
       
    31 //
       
    32 CSipSigCompCompartmentCtx* CSipSigCompCompartmentCtx::NewL(
       
    33     MCompartmentCtxOwner& aMyOwner,
       
    34 	const CSigComp& aSigComp, 
       
    35 	const TInetAddr& aAddress,
       
    36 	TUint32 aIapId,
       
    37 	TBool aDynamicCompression )
       
    38 	{
       
    39 	CSipSigCompCompartmentCtx* self = 
       
    40 	    CSipSigCompCompartmentCtx::NewLC( aMyOwner, 
       
    41 	                                      aSigComp, 
       
    42 	                                      aAddress, 
       
    43 	                                      aIapId,
       
    44 								          aDynamicCompression );
       
    45 	CleanupStack::Pop();
       
    46 	return self;
       
    47 	}
       
    48 
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CSipSigCompCompartmentCtx::NewLC
       
    52 // -----------------------------------------------------------------------------
       
    53 //
       
    54 CSipSigCompCompartmentCtx* CSipSigCompCompartmentCtx::NewLC(
       
    55     MCompartmentCtxOwner& aMyOwner,
       
    56 	const CSigComp& aSigComp, 
       
    57 	const TInetAddr& aAddress,
       
    58 	TUint32 aIapId,
       
    59 	TBool aDynamicCompression )
       
    60 	{
       
    61 	CSipSigCompCompartmentCtx* self = 
       
    62 	    new ( ELeave ) CSipSigCompCompartmentCtx( aMyOwner, 
       
    63 	                                              aSigComp, 
       
    64 	                                              aAddress, 
       
    65 	                                              aIapId,
       
    66 	                                              aDynamicCompression );
       
    67 	CleanupStack::PushL( self );
       
    68 	self->ConstructL();
       
    69 	return self;
       
    70 	}
       
    71 
       
    72 // -----------------------------------------------------------------------------
       
    73 // CSipSigCompCompartmentCtx::ConstructL
       
    74 // -----------------------------------------------------------------------------
       
    75 //
       
    76 void CSipSigCompCompartmentCtx::ConstructL()
       
    77 	{
       
    78 	iSigCompCompartment = 
       
    79 	    CSigCompCompartment::NewL( iSigComp, iDynamicCompression );
       
    80 	}
       
    81 
       
    82 // -----------------------------------------------------------------------------
       
    83 // CSipSigCompCompartmentCtx::~CSipSigCompCompartmentCtx
       
    84 // -----------------------------------------------------------------------------
       
    85 //
       
    86 CSipSigCompCompartmentCtx::~CSipSigCompCompartmentCtx()
       
    87 	{
       
    88 	iUserArray.Reset();
       
    89 	iUserArray.Close();
       
    90 	delete iSigCompCompartment;
       
    91 	}
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CSipSigCompCompartmentCtx::Compartment
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 CSigCompCompartment* CSipSigCompCompartmentCtx::Compartment()
       
    98 	{
       
    99 	return iSigCompCompartment;
       
   100 	}
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CSipSigCompCompartmentCtx::AttachCompartmentUserL
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 void CSipSigCompCompartmentCtx::AttachCompartmentUserL(
       
   107     MCompartmentCtxUser* aUser )
       
   108 	{
       
   109 	// If entry of aUser existed already in array, fail silently
       
   110     TInt err  = iUserArray.InsertInAddressOrder( aUser );
       
   111     if ( err != KErrNone && err != KErrAlreadyExists )
       
   112         {
       
   113         User::Leave( err );
       
   114         }
       
   115 	}
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CSipSigCompCompartmentCtx::DetachCompartmentUser
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 void CSipSigCompCompartmentCtx::DetachCompartmentUser(
       
   122     MCompartmentCtxUser* aUser )
       
   123 	{
       
   124 	TInt index = iUserArray.Find( aUser );
       
   125 	if ( index != KErrNotFound )
       
   126 	    {
       
   127 	    iUserArray.Remove( index );
       
   128 	    iUserArray.Compress();
       
   129 	    }
       
   130 	    
       
   131 	// If no more users, compartment can be deleted
       
   132 	if ( iUserArray.Count() == 0 )
       
   133 	    {
       
   134 	    iMyOwner.KillMe( this );
       
   135 	    }
       
   136 	}
       
   137 
       
   138 // -----------------------------------------------------------------------------
       
   139 // CSipSigCompCompartmentCtx::Match
       
   140 // -----------------------------------------------------------------------------
       
   141 //
       
   142 TBool CSipSigCompCompartmentCtx::Match( 
       
   143     const TInetAddr& aAddress, 
       
   144     TUint32 aIapId ) const
       
   145 	{
       
   146 	// Don't care about address port
       
   147 	return ( !aAddress.IsWildAddr() && 
       
   148 	         iAddress.Match( aAddress ) &&
       
   149 	         iIapId == aIapId );
       
   150 	}
       
   151 
       
   152 // -----------------------------------------------------------------------------
       
   153 // CSipSigCompCompartmentCtx::SetCurrentState
       
   154 // -----------------------------------------------------------------------------
       
   155 //
       
   156 void CSipSigCompCompartmentCtx::SetCurrentState(
       
   157 	CSipSigCompCompartmentCtx::TState aCurrentState )
       
   158 	{
       
   159 	iCurrentState = aCurrentState;
       
   160 	}
       
   161 
       
   162 // -----------------------------------------------------------------------------
       
   163 // CSipSigCompCompartmentCtx::SendFailedL
       
   164 // -----------------------------------------------------------------------------
       
   165 //
       
   166 void CSipSigCompCompartmentCtx::SendFailedL()
       
   167 	{
       
   168 	if ( iCurrentState == CSipSigCompCompartmentCtx::EAlive )
       
   169 		{
       
   170 		ResetCompartmentL();
       
   171 		}
       
   172 	else
       
   173 		{
       
   174 		NotifyUsersAboutSelfDestruction();
       
   175 		iMyOwner.KillMe( this );
       
   176 		}
       
   177 	}
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // CSipSigCompCompartmentCtx::NotifyUsersAboutSelfDestruction
       
   181 // -----------------------------------------------------------------------------
       
   182 //
       
   183 void CSipSigCompCompartmentCtx::NotifyUsersAboutSelfDestruction()
       
   184 	{
       
   185 	TInt lastIndex( iUserArray.Count() - 1 );
       
   186 	for ( TInt i = lastIndex; i >= 0; i-- )
       
   187 		{
       
   188 		iUserArray[ i ]->CompartmentDeleted();
       
   189 		}	
       
   190 	}
       
   191 
       
   192 // -----------------------------------------------------------------------------
       
   193 // CSipSigCompCompartmentCtx::ResetCompartmentL
       
   194 // -----------------------------------------------------------------------------
       
   195 //
       
   196 void CSipSigCompCompartmentCtx::ResetCompartmentL()
       
   197 	{
       
   198 	delete iSigCompCompartment; 
       
   199 	iSigCompCompartment = 0;
       
   200 	iSigCompCompartment = 
       
   201 	    CSigCompCompartment::NewL( iSigComp, iDynamicCompression );
       
   202 	}
       
   203 
       
   204 // -----------------------------------------------------------------------------
       
   205 // Constructor
       
   206 // -----------------------------------------------------------------------------
       
   207 //
       
   208 CSipSigCompCompartmentCtx::CSipSigCompCompartmentCtx(
       
   209     MCompartmentCtxOwner& aMyOwner,
       
   210 	const CSigComp& aSigComp, 
       
   211 	const TInetAddr& aAddress,
       
   212 	TUint32 aIapId,
       
   213 	TBool aDynamicCompression ) : 
       
   214     iMyOwner( aMyOwner ), 
       
   215     iSigComp( aSigComp ),
       
   216     iAddress( aAddress ),
       
   217     iIapId( aIapId ),
       
   218     iDynamicCompression( aDynamicCompression ),
       
   219     iUserArray( KUserArrayGranularity ),
       
   220     iCurrentState( CSipSigCompCompartmentCtx::EIdle )
       
   221 	{
       
   222 	}
       
   223