natfw/natfwicecandidatehandler/src/ciceconnection.cpp
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     1 /*
       
     2 * Copyright (c) 2007 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:    Wrapper class to convert multiplexer connection into object.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include "mncmconnectionmultiplexer.h"
       
    21 #include "natfwcandidate.h"
       
    22 #include "ciceconnection.h"
       
    23 #include "icecandidatehandlerdefs.h"
       
    24 #include "icecandidatehandlerlogs.h"
       
    25 
       
    26 // ======== MEMBER FUNCTIONS ========
       
    27 
       
    28 CIceConnection::CIceConnection( TUint aStreamId, 
       
    29         MNcmConnectionMultiplexer& aMultiplexer, 
       
    30         MIceConnectionObserver& aObserver )
       
    31         :
       
    32         iStreamId( aStreamId ),
       
    33         iMultiplexer( aMultiplexer ),
       
    34         iObserver( aObserver )
       
    35     {
       
    36     
       
    37     }
       
    38 
       
    39 
       
    40 void CIceConnection::ConstructL( TUint aAddrFamily )
       
    41     {
       
    42     iMultiplexer.RegisterConnectionObserverL( iStreamId, *this );
       
    43     iConnectionId 
       
    44         = iMultiplexer.CreateConnectionL( iStreamId, aAddrFamily );
       
    45     
       
    46     TUint32 dummyIap;
       
    47     TInt dummyQos;
       
    48     iMultiplexer.GetStreamInfoL( iStreamId, dummyIap, dummyQos, iProtocol );
       
    49     
       
    50     iLocalAddress = iMultiplexer.LocalIPAddressL( iStreamId, iConnectionId );
       
    51     }
       
    52 
       
    53 
       
    54 CIceConnection* CIceConnection::NewL( TUint aStreamId, 
       
    55         TUint aAddrFamily,
       
    56         MNcmConnectionMultiplexer& aMultiplexer, 
       
    57         MIceConnectionObserver& aObserver )
       
    58     {
       
    59     CIceConnection* self = CIceConnection::NewLC( 
       
    60         aStreamId, aAddrFamily, aMultiplexer, aObserver );
       
    61     CleanupStack::Pop( self );
       
    62     return self;
       
    63     }
       
    64 
       
    65 
       
    66 CIceConnection* CIceConnection::NewLC( TUint aStreamId, 
       
    67         TUint aAddrFamily,
       
    68         MNcmConnectionMultiplexer& aMultiplexer, 
       
    69         MIceConnectionObserver& aObserver )
       
    70     {
       
    71     CIceConnection* self = new( ELeave ) CIceConnection( 
       
    72         aStreamId, aMultiplexer, aObserver );
       
    73     CleanupStack::PushL( self );
       
    74     self->ConstructL( aAddrFamily );
       
    75     return self;
       
    76     }
       
    77 
       
    78 
       
    79 CIceConnection::~CIceConnection()
       
    80     {
       
    81     TRAP_IGNORE( iMultiplexer.UnregisterConnectionObserverL( 
       
    82         iStreamId, *this ) )
       
    83     
       
    84     TRAP_IGNORE( iMultiplexer.RemoveConnectionL( iStreamId, iConnectionId ) )
       
    85     iBoundCandidates.ResetAndDestroy();
       
    86     }
       
    87 
       
    88 
       
    89 // ---------------------------------------------------------------------------
       
    90 // CIceConnection::StreamId
       
    91 // ---------------------------------------------------------------------------
       
    92 //
       
    93 TUint CIceConnection::StreamId() const
       
    94     {
       
    95     return iStreamId;
       
    96     }
       
    97 
       
    98 
       
    99 // ---------------------------------------------------------------------------
       
   100 // CIceConnection::State
       
   101 // ---------------------------------------------------------------------------
       
   102 //
       
   103 CIceConnection::TConnectionState CIceConnection::State() const
       
   104     {
       
   105     return iState;
       
   106     }
       
   107 
       
   108 
       
   109 // ---------------------------------------------------------------------------
       
   110 // CIceConnection::LocalAddress
       
   111 // ---------------------------------------------------------------------------
       
   112 //
       
   113 const TInetAddr& CIceConnection::LocalAddress() const
       
   114     {
       
   115     return iLocalAddress;
       
   116     }
       
   117 
       
   118 
       
   119 // ---------------------------------------------------------------------------
       
   120 // CIceConnection::TransportProtocol
       
   121 // ---------------------------------------------------------------------------
       
   122 //
       
   123 TUint CIceConnection::TransportProtocol() const
       
   124     {
       
   125     return iProtocol;
       
   126     }
       
   127 
       
   128 
       
   129 // ---------------------------------------------------------------------------
       
   130 // CIceConnection::ConnectionId
       
   131 // ---------------------------------------------------------------------------
       
   132 //
       
   133 TUint CIceConnection::ConnectionId() const
       
   134     {
       
   135     return iConnectionId;
       
   136     }    
       
   137 
       
   138 
       
   139 // ---------------------------------------------------------------------------
       
   140 // CIceConnection::SetReceivingStateL
       
   141 // ---------------------------------------------------------------------------
       
   142 //
       
   143 void CIceConnection::SetReceivingStateL( TNATFWStreamingState aState,
       
   144         TConnectionNotifyState aNotifyState )
       
   145     {
       
   146     __ICEDP( "CIceConnection::SetReceivingStateL" )
       
   147     
       
   148     iNotifyState = aNotifyState;
       
   149     iMultiplexer.SetReceivingStateL( iStreamId, iConnectionId, aState );
       
   150     }
       
   151 
       
   152 
       
   153 // ---------------------------------------------------------------------------
       
   154 // CIceConnection::SetSendingStateL
       
   155 // ---------------------------------------------------------------------------
       
   156 //
       
   157 void CIceConnection::SetSendingStateL( TNATFWStreamingState aState,
       
   158         TConnectionNotifyState aNotifyState,
       
   159         const TInetAddr& aDestAddr )
       
   160     {
       
   161     __ICEDP( "CIceConnection::SetSendingStateL" )
       
   162     
       
   163     iNotifyState = aNotifyState;
       
   164     iMultiplexer.SetSendingStateL( 
       
   165         iStreamId, iConnectionId, aDestAddr, aState );
       
   166     }
       
   167 
       
   168 
       
   169 // ---------------------------------------------------------------------------
       
   170 // CIceConnection::BindWithCandidateL
       
   171 // ---------------------------------------------------------------------------
       
   172 //
       
   173 void CIceConnection::BindWithCandidateL( const CNATFWCandidate& aCandidate )
       
   174     {
       
   175     CNATFWCandidate* candidate = CNATFWCandidate::NewLC( aCandidate );
       
   176     iBoundCandidates.AppendL( candidate );
       
   177     CleanupStack::Pop( candidate );
       
   178     }
       
   179 
       
   180 
       
   181 // ---------------------------------------------------------------------------
       
   182 // CIceConnection::IsBoundToCandidate
       
   183 // ---------------------------------------------------------------------------
       
   184 //
       
   185 TBool CIceConnection::IsBoundToCandidate( 
       
   186         const CNATFWCandidate& aCandidate ) const
       
   187     {
       
   188     TInt index( iBoundCandidates.Count() - 1 );
       
   189     TBool matchFound( EFalse );
       
   190     while ( !matchFound && 0 <= index )
       
   191         {
       
   192         CNATFWCandidate& item( *iBoundCandidates[index] );
       
   193         if ( aCandidate.Type() == item.Type() &&
       
   194              TIceUtils::MatchAddresses( aCandidate.TransportAddr(),
       
   195                  item.TransportAddr() ) &&
       
   196              TIceUtils::MatchAddresses( aCandidate.Base(), item.Base() ) )
       
   197              {
       
   198              matchFound = ETrue;
       
   199              }
       
   200         
       
   201         index--;
       
   202         }
       
   203     
       
   204     return matchFound;
       
   205     }
       
   206 
       
   207 
       
   208 // ---------------------------------------------------------------------------
       
   209 // From class MNcmConnectionObserver.
       
   210 // ---------------------------------------------------------------------------
       
   211 //
       
   212 void CIceConnection::ConnectionNotify( TUint aStreamId, TUint aConnectionId,
       
   213         TConnectionNotifyType aType, TInt aError )
       
   214     {
       
   215     if ( iStreamId == aStreamId && iConnectionId == aConnectionId )
       
   216         {
       
   217         __ICEDP( "CIceConnection::ConnectionNotify, CONSUMING" )
       
   218         
       
   219         if ( ENotifyStateEnabled == iNotifyState )
       
   220             {
       
   221             MIceConnectionObserver::TNotifyType type 
       
   222             = ConvertToIceConnectionEvent( aType );
       
   223             
       
   224             if ( MIceConnectionObserver::ENotifyFirstMediaPacketSent != type )
       
   225                 {
       
   226                 iObserver.ConnectionNotify( *this, type, aError );
       
   227                 }
       
   228             }
       
   229         }
       
   230     }
       
   231 
       
   232 
       
   233 // ---------------------------------------------------------------------------
       
   234 // CIceConnection::ConvertToIceConnectionEvent
       
   235 // ---------------------------------------------------------------------------
       
   236 //
       
   237 MIceConnectionObserver::TNotifyType 
       
   238     CIceConnection::ConvertToIceConnectionEvent( 
       
   239         MNcmConnectionObserver::TConnectionNotifyType aType ) const
       
   240     {
       
   241     switch ( aType )
       
   242         {
       
   243         case MNcmConnectionObserver::EConnectionRemoved:
       
   244             return MIceConnectionObserver::ENotifyConnectionRemoved;
       
   245         
       
   246         case MNcmConnectionObserver::EConnectionError:
       
   247             return MIceConnectionObserver::ENotifyConnectionError;
       
   248         
       
   249         case MNcmConnectionObserver::EFirstMediaPacketSent:
       
   250             return MIceConnectionObserver::ENotifyFirstMediaPacketSent;
       
   251         
       
   252         case MNcmConnectionObserver::EReceivingActivated:
       
   253             return MIceConnectionObserver::ENotifyRecvActivated;
       
   254         
       
   255         case MNcmConnectionObserver::EReceivingDeactivated:
       
   256             return MIceConnectionObserver::ENotifyRecvDeactivated;
       
   257        
       
   258         case MNcmConnectionObserver::ESendingActivated:
       
   259             return MIceConnectionObserver::ENotifySendActivated;
       
   260         
       
   261         case MNcmConnectionObserver::ESendingDeactivated:
       
   262             return MIceConnectionObserver::ENotifySendDeactivated;
       
   263         
       
   264         default:
       
   265             ASSERT( EFalse );
       
   266             return MIceConnectionObserver::ENotifyUnknown; // lint#527
       
   267         }
       
   268     }