realtimenetprots/sipfw/SIP/sipapi/src/sipinviteclienttransaction.cpp
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     1 // Copyright (c) 2003-2009 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          : SIPInviteClientTransaction.cpp
       
    15 // Part of       : SIPAPI
       
    16 // Version       : SIP/5.0
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "sip.h"
       
    22 #include "SipAssert.h"
       
    23 #include "transactionassociation.h"
       
    24 #include "sipinviteclienttransaction.h"
       
    25 #include "sipstrings.h"
       
    26 #include "sipstrconsts.h"
       
    27 
       
    28 
       
    29 #ifdef CPPUNIT_TEST
       
    30 
       
    31 #include "TestCleanupStack.h"
       
    32 
       
    33 #undef EXPORT_C
       
    34 #define EXPORT_C
       
    35 
       
    36 #endif
       
    37 
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CSIPInviteClientTransaction::NewL
       
    41 // -----------------------------------------------------------------------------
       
    42 //
       
    43 CSIPInviteClientTransaction*
       
    44 CSIPInviteClientTransaction::NewL(MTransactionAssociation& aAssociation)
       
    45     {
       
    46     CSIPInviteClientTransaction* self =
       
    47         CSIPInviteClientTransaction::NewLC(aAssociation);
       
    48     CleanupStack::Pop(self);
       
    49     return self;
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CSIPInviteClientTransaction::NewLC
       
    54 // -----------------------------------------------------------------------------
       
    55 //
       
    56 CSIPInviteClientTransaction*
       
    57 CSIPInviteClientTransaction::NewLC(MTransactionAssociation& aAssociation)
       
    58     {
       
    59     CSIPInviteClientTransaction* self =
       
    60         new (ELeave) CSIPInviteClientTransaction(aAssociation);
       
    61     CleanupStack::PushL(self);
       
    62     self->ConstructL();
       
    63     return self;
       
    64     }
       
    65 
       
    66 // -----------------------------------------------------------------------------
       
    67 // CSIPInviteClientTransaction::CSIPInviteClientTransaction
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 CSIPInviteClientTransaction::CSIPInviteClientTransaction(
       
    71                                      MTransactionAssociation& aAssociation) :
       
    72     CSIPClientTransaction(aAssociation, NULL)
       
    73 #ifdef CPPUNIT_TEST
       
    74     , iAssociationArray(1)
       
    75 #endif
       
    76     {
       
    77     }
       
    78 
       
    79 // -----------------------------------------------------------------------------
       
    80 // CSIPInviteClientTransaction::ConstructL
       
    81 // -----------------------------------------------------------------------------
       
    82 //
       
    83 void CSIPInviteClientTransaction::ConstructL()
       
    84     {
       
    85     iAssociationArray.AppendL(iAssociation);
       
    86 
       
    87     CSIPTransactionBase::ConstructL(SIPStrings::StringF(SipStrConsts::EInvite));
       
    88     }
       
    89 
       
    90 // -----------------------------------------------------------------------------
       
    91 // CSIPInviteClientTransaction::~CSIPInviteClientTransaction
       
    92 // RemoveTransaction event is sent to all associations.
       
    93 // CSIPTransactionBase::iAssociation is set to NULL to prevent
       
    94 // ~CSIPTransactionBase() from also sending RemoveTransaction.
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 EXPORT_C CSIPInviteClientTransaction::~CSIPInviteClientTransaction()
       
    98     {
       
    99     for (TInt i = 0; i < iAssociationArray.Count(); i++)
       
   100         {
       
   101         iAssociationArray[i]->RemoveTransaction(*this);
       
   102         }
       
   103     iAssociationArray.Reset();
       
   104 
       
   105     iAssociation = NULL;
       
   106     }
       
   107 
       
   108 // -----------------------------------------------------------------------------
       
   109 // CSIPInviteClientTransaction::CancelAllowed
       
   110 // It is possible to cancel an INVITE client transaction, though it can be done
       
   111 // only in "proceeding state". This method just indicates whether canceling is
       
   112 // possible at all, and does not check the current state.
       
   113 // -----------------------------------------------------------------------------
       
   114 //
       
   115 EXPORT_C TBool CSIPInviteClientTransaction::CancelAllowed() const
       
   116     {
       
   117     return ETrue;
       
   118     }
       
   119 
       
   120 // -----------------------------------------------------------------------------
       
   121 // CSIPInviteClientTransaction::Detach
       
   122 // iAssociation is set to NULL when the last association is detached. Until that
       
   123 // happens it is set point one of the associations (does not matter which one).
       
   124 // -----------------------------------------------------------------------------
       
   125 //
       
   126 void CSIPInviteClientTransaction::Detach(
       
   127                                  const MTransactionAssociation& aAssociation)
       
   128     {
       
   129     TInt pos = iAssociationArray.Find(&aAssociation);
       
   130 
       
   131     __ASSERT_DEBUG(pos != KErrNotFound,
       
   132 		User::Panic(_L("CSIPInviteClientTransaction::Detach() not found"),
       
   133 		KErrNotFound));
       
   134 
       
   135     if (pos != KErrNotFound)
       
   136         {
       
   137         iAssociationArray.Remove(pos);
       
   138         }
       
   139 
       
   140     if (iAssociationArray.Count() > 0)
       
   141         {
       
   142         iAssociation = iAssociationArray[0];
       
   143         }
       
   144     else
       
   145         {
       
   146         iAssociation = NULL;
       
   147         }
       
   148     }
       
   149 
       
   150 // -----------------------------------------------------------------------------
       
   151 // CSIPInviteClientTransaction::AddAssociationL
       
   152 // -----------------------------------------------------------------------------
       
   153 //
       
   154 void CSIPInviteClientTransaction::AddAssociationL(
       
   155                                         MTransactionAssociation& aAssociation)
       
   156     {
       
   157     __ASSERT_ALWAYS(iAssociationArray.Find(&aAssociation) == KErrNotFound,
       
   158         User::Leave(KErrAlreadyExists));
       
   159 
       
   160     aAssociation.AddTransactionL(*this);
       
   161 
       
   162     TInt err = iAssociationArray.Append(&aAssociation);
       
   163     if (err != KErrNone)
       
   164         {
       
   165         aAssociation.RemoveTransaction(*this);
       
   166         User::Leave(err);
       
   167         }
       
   168     }