multimediacommsengine/mmcesrv/mmceserver/src/mcestateupdated.cpp
changeset 0 1bce908db942
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     1 /*
       
     2 * Copyright (c) 2005 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 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 #include "mcestateupdated.h"
       
    23 #include "mcesipsession.h"
       
    24 #include "mceactionset.h"
       
    25 #include "mcefcactionset.h"
       
    26 #include "mceclientserver.h"
       
    27 #include "mcenatmacros.h"
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CMceStateUpdated::CMceStateUpdated
       
    31 // -----------------------------------------------------------------------------
       
    32 //
       
    33 CMceStateUpdated::CMceStateUpdated ()
       
    34     : CMceState( KMceStateUpdated )
       
    35 	{
       
    36 	}
       
    37 
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CMceStateUpdated::~CMceStateUpdated
       
    41 // -----------------------------------------------------------------------------
       
    42 //
       
    43 CMceStateUpdated::~CMceStateUpdated()
       
    44 	{
       
    45 	}
       
    46 
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // CMceStateUpdated::DoAcceptL
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 TBool CMceStateUpdated::DoAcceptL( TMceStateTransitionEvent& aEvent )
       
    53 	{
       
    54 
       
    55     User::LeaveIfError(
       
    56       aEvent.Code() == EMceItcEnable  ||
       
    57       aEvent.Code() == EMceItcDisable  ||
       
    58       aEvent.Code() == EMceItcAcceptSession ||
       
    59       aEvent.Code() == EMceItcRejectSession ||
       
    60       aEvent.Code() == EMceItcCallInQueue ||   
       
    61       aEvent.Code() == EMceItcRing ||
       
    62       IsExtensionRequestEvent( aEvent )
       
    63       
       
    64         ? KErrNone : KErrTotalLossOfPrecision );
       
    65     
       
    66 	return ETrue;
       
    67 	}
       
    68 
       
    69 // -----------------------------------------------------------------------------
       
    70 // CMceStateUpdated::EntryL
       
    71 // -----------------------------------------------------------------------------
       
    72 //
       
    73 void CMceStateUpdated::EntryL( TMceStateTransitionEvent& aEvent )
       
    74 	{
       
    75 
       
    76 	if ( IsExtensionRequestEvent( aEvent ))
       
    77 		{
       
    78 		HandleExtensionRequestEventL( aEvent );	
       
    79 		}
       
    80 	
       
    81 	else
       
    82 		{
       
    83 		CMceSipSession& session = aEvent.Session();
       
    84 		CSIPServerTransaction& request = session.Request();
       
    85 		CSIPServerTransaction* requestPtr = &request;
       
    86 			
       
    87 	    switch ( aEvent.Code() )
       
    88 	        {
       
    89 	        case EMceItcAcceptSession:
       
    90 	            {            
       
    91 	            if ( (requestPtr!=NULL) && !MceSip::HasContent( request ) )
       
    92 	            	{
       
    93 	                NAT_WAIT_NO_EXEC( session, session.Actions().EncodeL() );
       
    94 
       
    95 			        session.FCActions().UpdateFCAnswerL( *session.Offer() );
       
    96 			       	session.Actions().SendAnswerL( request, aEvent.ParamClientMessage() );
       
    97 			       	}
       
    98 	            else if ( MCE_NEED_TO_SEND( session, NULL ) )
       
    99 	                {
       
   100 	                //encode body
       
   101 	                if( session.IsNatSession() )
       
   102 	                	{
       
   103 	                	 //nothing to do
       
   104 	                	}
       
   105 	                else
       
   106 	                	{
       
   107 	                	NAT_WAIT_NO_EXEC( session, session.Actions().EncodeL() );
       
   108 	                	}
       
   109 	                
       
   110 	                session.FCActions().UpdateFCAnswerL( *session.Offer() );
       
   111 	                session.Actions().SendAnswerL( request, 
       
   112 	                                               aEvent.ParamClientMessage() );
       
   113 	                session.FCActions().StartFCL();                       
       
   114 	                }
       
   115 	            else 
       
   116 	                {
       
   117 	                session.Actions().Send200OKL( session.Request() );
       
   118 	                session.FCActions().StartFCL();
       
   119 	                }                
       
   120 	 
       
   121 	            break;
       
   122 	            }
       
   123 	        case EMceItcRejectSession:
       
   124 	            {
       
   125 	            session.Actions().SendDeclineL( request, 
       
   126 	                                            aEvent.ParamClientMessage() );
       
   127 	            session.Actions().StopMedia();
       
   128 	            session.FCActions().ReleaseFC();
       
   129 	            break;
       
   130 	            }
       
   131 	        case EMceItcRing:
       
   132 	            {
       
   133 	            TBool reliable = session.Actions().SendRingL( request, 
       
   134 	                                        aEvent.ParamClientMessage() );
       
   135 	            if ( reliable )
       
   136 	                {
       
   137 	                // need to wait for PRACK
       
   138 	                session.Actions().StateChanged( KMceStateAcknowledgementRequired );
       
   139 	                }
       
   140 	            break;
       
   141 	            }
       
   142 	        case EMceItcCallInQueue:
       
   143 	            {
       
   144 	            TBool reliable = session.Actions().SendSipQueuedL( request, 
       
   145 	                                        aEvent.ParamClientMessage() );
       
   146 	            if ( reliable )
       
   147 	                {
       
   148 	                // need to wait for PRACK
       
   149 	                session.Actions().StateChanged( KMceStateAcknowledgementRequired );
       
   150 	                }
       
   151 	            break;
       
   152 	            }
       
   153 	        case EMceItcEnable:
       
   154 	        case EMceItcDisable:
       
   155 	            {
       
   156 	            session.Actions().ControlMediaL( aEvent.ParamIDs(), 
       
   157 	                                             (TMceItcFunctions)aEvent.Code() );
       
   158 	            break;
       
   159 	            }
       
   160 	        default:
       
   161 	            {
       
   162 	            }
       
   163 	        }
       
   164 		}
       
   165 
       
   166 	}
       
   167 
       
   168 // -----------------------------------------------------------------------------
       
   169 // CMceStateUpdated::ExitL
       
   170 // -----------------------------------------------------------------------------
       
   171 //
       
   172 void CMceStateUpdated::ExitL( TMceStateTransitionEvent& aEvent )
       
   173 	{
       
   174 	
       
   175 	if ( IsExtensionRequestEvent( aEvent ))
       
   176 		{
       
   177 		//Do Nothing;
       
   178 		}
       
   179 	
       
   180 	else
       
   181 		{
       
   182 		CMceSipSession& session = aEvent.Session();
       
   183 		CSIPServerTransaction& request = session.Request();
       
   184 		CSIPServerTransaction* requestPtr = &request;
       
   185 
       
   186 	    switch ( aEvent.Code() )
       
   187 	        {
       
   188 	        case EMceItcAcceptSession:
       
   189 	            {
       
   190 	            if ( (requestPtr!=NULL) && !MceSip::HasContent( request ) )
       
   191 	            	{
       
   192 	                // Pull Mode
       
   193 			        session.Actions().StateChanged( KMceStateServerOffering );
       
   194 	                session.Actions().ClientStateChanged( aEvent.ParamIDs(), 
       
   195 	                                                  CMceSession::EAnswering ); 
       
   196 			       	}
       
   197 			    else
       
   198 	    		    {
       
   199 	    		    session.Actions().StateChanged( KMceStateAnswering );
       
   200 	                session.Actions().ClientStateChanged( aEvent.ParamIDs(), 
       
   201 	                                                  CMceSession::EAnswering );  
       
   202 	    		    }   	
       
   203 	            break;
       
   204 	            }
       
   205 	        case EMceItcRejectSession:
       
   206 	            {
       
   207 	            session.Actions().StateChanged( KMceStateTerminated );
       
   208 	            session.Actions().ClientStateChanged( aEvent.ParamIDs(), 
       
   209 	                                                  CMceSession::ETerminated );
       
   210 	            break;
       
   211 	            }
       
   212 	        default:
       
   213 	            {
       
   214 	            }
       
   215 	        }
       
   216 
       
   217 		}
       
   218 	
       
   219 	}
       
   220 
       
   221 
       
   222 
       
   223 // End of File
       
   224