realtimenetprots/sipfw/SIP/Registration/src/CSIPRegistrar.cpp
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     1 // Copyright (c) 2005-2009 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          : CSIPRegistrar.cpp
       
    15 // Part of       : Registration
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "CSIPRegistrar.h"
       
    22 #include "CSIPRegistrarStore.h"
       
    23 #include "TSIPRegistrationUtility.h"
       
    24 #include "uricontainer.h"
       
    25 #include "siprequest.h"
       
    26 #include "sipcallidheader.h"
       
    27 #include "sipcseqheader.h"
       
    28 #include "sipstrings.h"
       
    29 #include "sipstrconsts.h"
       
    30 
       
    31 
       
    32 // -----------------------------------------------------------------------------
       
    33 // CSIPRegistrar::NewLC
       
    34 // -----------------------------------------------------------------------------
       
    35 //
       
    36 CSIPRegistrar* CSIPRegistrar::NewLC(const CURIContainer&  aRegistrar,
       
    37 									const TDesC8&         aCallId,
       
    38 									TUint                 aCSeqNumber, 
       
    39 									const TRegistrationId aRegistrationId,
       
    40 									CSIPRegistrarStore&   aRegistrarStore)
       
    41 	{
       
    42     CSIPRegistrar* self = 
       
    43 		new (ELeave) CSIPRegistrar(aCSeqNumber, aRegistrarStore);
       
    44 	CleanupStack::PushL(self);
       
    45 	self->ConstructL(aRegistrar, aCallId, aRegistrationId);
       
    46 	return self;
       
    47 	}
       
    48 
       
    49 // -----------------------------------------------------------------------------
       
    50 // CSIPRegistrar::CSIPRegistrar
       
    51 // -----------------------------------------------------------------------------
       
    52 //
       
    53 CSIPRegistrar::CSIPRegistrar(TUint               aCSeqNumber, 
       
    54 							 CSIPRegistrarStore& aRegistrarStore) 
       
    55  : iCSeqNumber     (aCSeqNumber),
       
    56    iRegistrarStore (aRegistrarStore)
       
    57 	{
       
    58 	}
       
    59 
       
    60 // -----------------------------------------------------------------------------
       
    61 // CSIPRegistrar::ConstructL
       
    62 // -----------------------------------------------------------------------------
       
    63 //
       
    64 void CSIPRegistrar::ConstructL(const CURIContainer&  aRegistrar,
       
    65 		                       const TDesC8&         aCallId,
       
    66 							   const TRegistrationId aRegistrationId)
       
    67 	{
       
    68 	iRegistrar = CURIContainer::NewL(aRegistrar);
       
    69 	iCallId    = aCallId.AllocL();
       
    70 	User::LeaveIfError(iRegistrationIds.Append(aRegistrationId));
       
    71 	}
       
    72 
       
    73 // -----------------------------------------------------------------------------
       
    74 // CSIPRegistrar::~CSIPRegistrar
       
    75 // -----------------------------------------------------------------------------
       
    76 //
       
    77 CSIPRegistrar::~CSIPRegistrar()
       
    78 	{
       
    79 	delete iCallId;
       
    80 	delete iRegistrar;
       
    81 	iRegistrationIds.Reset();
       
    82 	}
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CSIPRegistrar::Registrar
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 const CURIContainer& CSIPRegistrar::Registrar() const
       
    89 	{
       
    90 	return *iRegistrar;
       
    91 	}
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CSIPRegistrar::IncreaseCSeqNumber
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 void CSIPRegistrar::IncreaseCSeqNumber()
       
    98 	{
       
    99 	iCSeqNumber++;
       
   100 	}
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CSIPRegistrar::FillCallIdAndCSeqL
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 void CSIPRegistrar::FillCallIdAndCSeqL(CSIPRequest& aSIPRequest)
       
   107 	{
       
   108 	CSIPCallIDHeader* callId = CSIPCallIDHeader::DecodeL(*iCallId);
       
   109 	CleanupStack::PushL(callId);
       
   110 	// fill in callid header, and add it to request
       
   111 	CSIPCallIDHeader* oldCallId = aSIPRequest.CallID();
       
   112 	if (oldCallId)
       
   113 		{
       
   114 		aSIPRequest.ReplaceHeaderL(oldCallId, callId);
       
   115 		}
       
   116 	else // there are callId header in request
       
   117 		{
       
   118 		aSIPRequest.AddHeaderL(callId);
       
   119 		}
       
   120 	CleanupStack::Pop(callId);
       
   121 
       
   122 	// increase the CSeqNumber by one
       
   123 	IncreaseCSeqNumber();
       
   124 
       
   125     CSIPCSeqHeader* oldCSeqHeader = aSIPRequest.CSeq();
       
   126 	if (oldCSeqHeader)
       
   127 		{
       
   128 		oldCSeqHeader->SetSeq(iCSeqNumber);
       
   129 		}
       
   130 	else
       
   131 		{	
       
   132 		// create a CSIPCSeqHeader header, and add it to request
       
   133 		CSIPCSeqHeader* cseqHeader = CSIPCSeqHeader::NewLC(
       
   134 			iCSeqNumber, SIPStrings::StringF(SipStrConsts::ERegister));
       
   135 		aSIPRequest.AddHeaderL(cseqHeader);
       
   136 		CleanupStack::Pop(cseqHeader);
       
   137 		}
       
   138 	}
       
   139 
       
   140 // -----------------------------------------------------------------------------
       
   141 // CSIPRegistrar::AddRegistrationIdL
       
   142 // -----------------------------------------------------------------------------
       
   143 //
       
   144 void CSIPRegistrar::AddRegistrationIdL(const TRegistrationId aRegistrationId)
       
   145 	{
       
   146 	User::LeaveIfError(iRegistrationIds.Append(aRegistrationId));
       
   147 	}
       
   148 
       
   149 // -----------------------------------------------------------------------------
       
   150 // CSIPRegistrar::BindingRemoved
       
   151 // -----------------------------------------------------------------------------
       
   152 //
       
   153 TBool CSIPRegistrar::BindingRemoved(const TRegistrationId aRegistrationId)  
       
   154 	{
       
   155 	TInt idFound = FindRegistrationId(aRegistrationId);
       
   156 
       
   157 	// there is no registration binding relate to this registrar,
       
   158 	// remove the registrar
       
   159 	if (idFound != KErrNotFound)
       
   160 		{
       
   161 		if (iRegistrationIds.Count() == 1)
       
   162 			{
       
   163 			// if registration is added to delete mgr succeed,
       
   164 			// remove registration id
       
   165 			TInt res = iRegistrarStore.RemoveRegistrar(this);
       
   166 			if (res == KErrNone)
       
   167 				{
       
   168 				iRegistrationIds.Remove(idFound);
       
   169 				return ETrue; 
       
   170 				}
       
   171 			else
       
   172 				{
       
   173 				return EFalse;
       
   174 				}
       
   175 			}
       
   176 		else
       
   177 			{
       
   178 			iRegistrationIds.Remove(idFound);
       
   179 			return ETrue;
       
   180 			}
       
   181 		}
       
   182 
       
   183 	return EFalse;
       
   184 	}  
       
   185 
       
   186 // -----------------------------------------------------------------------------
       
   187 // CSIPRegistrar::FindRegistrationId
       
   188 // -----------------------------------------------------------------------------
       
   189 //
       
   190 TInt CSIPRegistrar::FindRegistrationId (const TRegistrationId aRegistrationId)
       
   191 	{
       
   192 	TInt idFound = KErrNotFound;
       
   193 
       
   194 	for (TInt i=iRegistrationIds.Count()-1; (i>=0 && idFound==KErrNotFound); i--)
       
   195 		{
       
   196 		if (iRegistrationIds[i] == aRegistrationId)
       
   197 			{
       
   198 			return i;
       
   199 			}
       
   200 		}
       
   201 	return idFound;
       
   202 	}
       
   203 
       
   204 // -----------------------------------------------------------------------------
       
   205 // CSIPRegistrar::CSeqNumber
       
   206 // -----------------------------------------------------------------------------
       
   207 //
       
   208 TUint CSIPRegistrar::CSeqNumber() const
       
   209 	{
       
   210 	return iCSeqNumber;
       
   211 	}
       
   212 
       
   213