realtimenetprots/sipfw/SIP/Codec/src/CSIPRetryAfterHeader.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          : CSIPRetryAfterHeader.cpp
       
    15 // Part of       : SIP Codec
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "sipretryafterheader.h"
       
    22 #include "CSIPTokenizer.h"
       
    23 #include "sipcodecerr.h"
       
    24 #include "SIPSyntaxCheck.h"
       
    25 #include "sipstrings.h"
       
    26 #include "sipstrconsts.h"
       
    27 #include "CSIPRetryAfterHeaderParams.h"
       
    28 #include "sipcodecutils.h"
       
    29 #include "_sipcodecdefs.h"
       
    30 
       
    31 const TInt KMaxUintLength(10);
       
    32 _LIT8(KTUintFormat, "%u");
       
    33 
       
    34 
       
    35 // ----------------------------------------------------------------------------
       
    36 // CSIPRetryAfterHeader::DecodeL
       
    37 // ----------------------------------------------------------------------------
       
    38 //
       
    39 EXPORT_C CSIPRetryAfterHeader* 
       
    40 CSIPRetryAfterHeader::DecodeL(const TDesC8& aValue)
       
    41     {
       
    42     CSIPRetryAfterHeader* header = new(ELeave)CSIPRetryAfterHeader;
       
    43     CleanupStack::PushL(header);
       
    44     header->ConstructL();
       
    45     header->ParseL(aValue, EFalse);
       
    46     CleanupStack::Pop(header);
       
    47     return header;
       
    48     }
       
    49 
       
    50 // ----------------------------------------------------------------------------
       
    51 // CSIPRetryAfterHeader::NewL
       
    52 // ----------------------------------------------------------------------------
       
    53 //
       
    54 EXPORT_C CSIPRetryAfterHeader* CSIPRetryAfterHeader::NewL(TUint aRetryAfter)
       
    55     {
       
    56     CSIPRetryAfterHeader* self = CSIPRetryAfterHeader::NewLC(aRetryAfter);
       
    57     CleanupStack::Pop(self);
       
    58     return self;
       
    59     }
       
    60 
       
    61 // ----------------------------------------------------------------------------
       
    62 // CSIPRetryAfterHeader::NewLC
       
    63 // ----------------------------------------------------------------------------
       
    64 //
       
    65 EXPORT_C CSIPRetryAfterHeader* CSIPRetryAfterHeader::NewLC(TUint aRetryAfter)
       
    66     {
       
    67     CSIPRetryAfterHeader* self = new (ELeave)CSIPRetryAfterHeader(aRetryAfter);
       
    68     CleanupStack::PushL(self);
       
    69     self->ConstructL();
       
    70     return self;
       
    71     }
       
    72 
       
    73 // ----------------------------------------------------------------------------
       
    74 // CSIPRetryAfterHeader::CSIPRetryAfterHeader
       
    75 // ----------------------------------------------------------------------------
       
    76 //
       
    77 CSIPRetryAfterHeader::CSIPRetryAfterHeader()
       
    78 : CSIPParameterHeaderBase(';')
       
    79     {
       
    80     }
       
    81 
       
    82 // ----------------------------------------------------------------------------
       
    83 // CSIPRetryAfterHeader::CSIPRetryAfterHeader
       
    84 // ----------------------------------------------------------------------------
       
    85 //
       
    86 CSIPRetryAfterHeader::CSIPRetryAfterHeader(TUint aRetryAfter)
       
    87 : CSIPParameterHeaderBase(';'), iRetryAfter(aRetryAfter)
       
    88     {
       
    89     }
       
    90 
       
    91 // ----------------------------------------------------------------------------
       
    92 // CSIPRetryAfterHeader::ConstructL
       
    93 // ----------------------------------------------------------------------------
       
    94 //
       
    95 void CSIPRetryAfterHeader::ConstructL()
       
    96     {
       
    97     iParams = new(ELeave) CSIPRetryAfterHeaderParams;
       
    98     iComment = KNullDesC8().AllocL();
       
    99     }
       
   100 
       
   101 // ----------------------------------------------------------------------------
       
   102 // CSIPRetryAfterHeader::ConstructL
       
   103 // ----------------------------------------------------------------------------
       
   104 //
       
   105 void 
       
   106 CSIPRetryAfterHeader::ConstructL(const CSIPRetryAfterHeader& aRetryAfterHeader)
       
   107     {
       
   108     iRetryAfter = aRetryAfterHeader.iRetryAfter;
       
   109     iParams = CSIPRetryAfterHeaderParams::NewL(*(aRetryAfterHeader.iParams));
       
   110     TPtrC8 comment(aRetryAfterHeader.Comment());
       
   111     delete iComment; iComment = 0;
       
   112     iComment = comment.AllocL();
       
   113     }
       
   114 
       
   115 // ----------------------------------------------------------------------------
       
   116 // CSIPRetryAfterHeader::~CSIPRetryAfterHeader
       
   117 // ----------------------------------------------------------------------------
       
   118 //
       
   119 EXPORT_C CSIPRetryAfterHeader::~CSIPRetryAfterHeader()
       
   120     {
       
   121     delete iParams;
       
   122     delete iComment;
       
   123     }
       
   124 
       
   125 // ----------------------------------------------------------------------------
       
   126 // CSIPRetryAfterHeader::SetRetryAfter
       
   127 // ----------------------------------------------------------------------------
       
   128 //
       
   129 EXPORT_C void CSIPRetryAfterHeader::SetRetryAfter(TUint aValue)
       
   130     {
       
   131     iRetryAfter = aValue;
       
   132     }
       
   133 
       
   134 // ----------------------------------------------------------------------------
       
   135 // CSIPRetryAfterHeader::RetryAfter
       
   136 // ----------------------------------------------------------------------------
       
   137 //
       
   138 EXPORT_C TUint CSIPRetryAfterHeader::RetryAfter() const
       
   139     {
       
   140     return iRetryAfter;
       
   141     }
       
   142 
       
   143 // ----------------------------------------------------------------------------
       
   144 // CSIPRetryAfterHeader::Comment
       
   145 // ----------------------------------------------------------------------------
       
   146 //
       
   147 EXPORT_C const TDesC8& CSIPRetryAfterHeader::Comment() const
       
   148     {
       
   149     return *iComment;
       
   150     }
       
   151 
       
   152 // ----------------------------------------------------------------------------
       
   153 // CSIPRetryAfterHeader::DurationParameter
       
   154 // ----------------------------------------------------------------------------
       
   155 //
       
   156 EXPORT_C TInt CSIPRetryAfterHeader::DurationParam() const
       
   157     {
       
   158     return iParams->IntParamValue(
       
   159                             SIPStrings::StringF(SipStrConsts::EDuration));
       
   160     }
       
   161 
       
   162 // ----------------------------------------------------------------------------
       
   163 // CSIPRetryAfterHeader::SetDurationParameterL
       
   164 // ----------------------------------------------------------------------------
       
   165 //
       
   166 EXPORT_C void CSIPRetryAfterHeader::SetDurationParamL(TInt aDurationParam)
       
   167     {
       
   168     iParams->SetParamL(
       
   169             SIPStrings::StringF(SipStrConsts::EDuration), aDurationParam);
       
   170     }
       
   171 
       
   172 // ----------------------------------------------------------------------------
       
   173 // CSIPRetryAfterHeader::InternalizeValueL
       
   174 // ----------------------------------------------------------------------------
       
   175 //
       
   176 EXPORT_C CSIPHeaderBase* 
       
   177 CSIPRetryAfterHeader::InternalizeValueL(RReadStream& aReadStream)
       
   178     {
       
   179     CSIPRetryAfterHeader* header = new(ELeave) CSIPRetryAfterHeader;
       
   180     CleanupStack::PushL(header);
       
   181     header->DoInternalizeValueL(aReadStream);
       
   182     CleanupStack::Pop(header);
       
   183     return header;
       
   184     }
       
   185 
       
   186 // ----------------------------------------------------------------------------
       
   187 // CSIPRetryAfterHeader::CloneL
       
   188 // ----------------------------------------------------------------------------
       
   189 //
       
   190 EXPORT_C CSIPHeaderBase* CSIPRetryAfterHeader::CloneL() const
       
   191     {
       
   192     CSIPRetryAfterHeader* header = new(ELeave) CSIPRetryAfterHeader;
       
   193     CleanupStack::PushL(header);
       
   194     header->ConstructL(*this);
       
   195     CleanupStack::Pop(header);
       
   196     return header;
       
   197     }
       
   198 
       
   199 // ----------------------------------------------------------------------------
       
   200 // CSIPRetryAfterHeader::Name
       
   201 // ----------------------------------------------------------------------------
       
   202 //
       
   203 EXPORT_C RStringF CSIPRetryAfterHeader::Name() const
       
   204     {
       
   205     return SIPStrings::StringF(SipStrConsts::ERetryAfterHeader);
       
   206     }
       
   207 
       
   208 // ----------------------------------------------------------------------------
       
   209 // CSIPRetryAfterHeader::PreferredPlaceInMessage
       
   210 // ----------------------------------------------------------------------------
       
   211 //
       
   212 CSIPHeaderBase::TPreferredPlace 
       
   213 CSIPRetryAfterHeader::PreferredPlaceInMessage() const
       
   214     {
       
   215     return CSIPHeaderBase::EMiddleBottom;
       
   216     }
       
   217 
       
   218 // ----------------------------------------------------------------------------
       
   219 // CSIPRetryAfterHeader::BaseDecodeL
       
   220 // ----------------------------------------------------------------------------
       
   221 //
       
   222 RPointerArray<CSIPHeaderBase> 
       
   223 CSIPRetryAfterHeader::BaseDecodeL(const TDesC8& aValue)
       
   224     {
       
   225 	CSIPRetryAfterHeader* header = DecodeL(aValue);
       
   226 	CleanupStack::PushL (header);
       
   227 	RPointerArray<CSIPHeaderBase> headers;
       
   228 	User::LeaveIfError(headers.Append(header));
       
   229 	CleanupStack::Pop(header);
       
   230 	return headers;
       
   231     }
       
   232 
       
   233 // ----------------------------------------------------------------------------
       
   234 // CSIPRetryAfterHeader::ExternalizeValueL
       
   235 // ----------------------------------------------------------------------------
       
   236 //
       
   237 void CSIPRetryAfterHeader::ExternalizeValueL(RWriteStream& aWriteStream) const
       
   238     {
       
   239     aWriteStream.WriteUint32L(iRetryAfter);
       
   240 
       
   241     TPtrC8 comment(Comment());        
       
   242     aWriteStream.WriteUint32L(comment.Length());
       
   243     if(comment.Length() > 0)
       
   244         {
       
   245         aWriteStream.WriteL(comment);
       
   246         }
       
   247     iParams->ExternalizeL(aWriteStream);
       
   248     }
       
   249 
       
   250 // ----------------------------------------------------------------------------
       
   251 // CSIPRetryAfterHeader::ToTextMandatoryPartLC
       
   252 // ----------------------------------------------------------------------------
       
   253 //
       
   254 HBufC8* CSIPRetryAfterHeader::ToTextMandatoryPartLC() const
       
   255     {
       
   256     HBufC8* retryAfter = HBufC8::NewLC(KMaxUintLength+1+iComment->Length());
       
   257     TPtr8 retryAfterPtr(retryAfter->Des());
       
   258     retryAfterPtr.Format(KTUintFormat, iRetryAfter);
       
   259     if (iComment->Length() > 0)
       
   260         {
       
   261         retryAfterPtr.Append(' ');
       
   262         retryAfterPtr.Append(*iComment);        
       
   263         }
       
   264     return retryAfter;
       
   265     }
       
   266 
       
   267 // ----------------------------------------------------------------------------
       
   268 // CSIPRetryAfterHeader::ParseMandatoryPartL
       
   269 // ----------------------------------------------------------------------------
       
   270 //
       
   271 void CSIPRetryAfterHeader::ParseMandatoryPartL(const TDesC8& aMandatoryPart)
       
   272     {
       
   273     TLex8 lex(aMandatoryPart);
       
   274     TPtrC8 retryAfter(lex.NextToken());
       
   275     TLex8 retryAfterLex(retryAfter);
       
   276     TInt err = retryAfterLex.Val(iRetryAfter);
       
   277 
       
   278     if(err != KErrNone)
       
   279         {
       
   280         User::Leave(KErrSipCodecRetryAfterHeader); // Value not TUint
       
   281         }
       
   282     lex.SkipSpace();
       
   283     
       
   284     // Check if there is comment available
       
   285     TPtrC8 remainder(lex.Remainder());
       
   286     if(remainder.Length() == 0)
       
   287         {
       
   288         return; // No comment
       
   289         }
       
   290 
       
   291     HBufC8* comment = remainder.AllocLC();
       
   292     TPtr8 commentPtr(comment->Des());
       
   293     commentPtr.Trim();
       
   294     if(!SIPSyntaxCheck::Comment(commentPtr)) 
       
   295         {
       
   296         User::Leave(KErrSipCodecRetryAfterHeader); // Not valid comment
       
   297         }
       
   298     
       
   299     delete iComment; iComment = 0;
       
   300     iComment = commentPtr.AllocL();
       
   301     CleanupStack::PopAndDestroy(comment);
       
   302     }
       
   303 
       
   304 // ----------------------------------------------------------------------------
       
   305 // CSIPRetryAfterHeader::Params
       
   306 // ----------------------------------------------------------------------------
       
   307 //
       
   308 const CSIPParamContainerBase& CSIPRetryAfterHeader::Params() const
       
   309     {
       
   310     return *iParams;
       
   311     }
       
   312 
       
   313 // ----------------------------------------------------------------------------
       
   314 // CSIPRetryAfterHeader::Params
       
   315 // ----------------------------------------------------------------------------
       
   316 //
       
   317 CSIPParamContainerBase& CSIPRetryAfterHeader::Params()
       
   318     {
       
   319     return *iParams;
       
   320     }
       
   321 
       
   322 // ----------------------------------------------------------------------------
       
   323 // CSIPRetryAfterHeader::DoInternalizeValueL
       
   324 // ----------------------------------------------------------------------------
       
   325 //
       
   326 void CSIPRetryAfterHeader::DoInternalizeValueL(RReadStream& aReadStream)
       
   327     {
       
   328     iRetryAfter = aReadStream.ReadUint32L();
       
   329     iComment = SIPCodecUtils::ReadDescFromStreamL(aReadStream);
       
   330     iParams = CSIPRetryAfterHeaderParams::InternalizeL(aReadStream);
       
   331     }
       
   332