realtimenetprots/sipfw/SIP/Client/src/CSIPMessageElements.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          : CSIPMessageElements.cpp
       
    15 // Part of       : SIPClient
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 #include "sipmessageelements.h"
       
    23 #include "sipheaderbase.h"
       
    24 #include "sipfromheader.h"
       
    25 #include "sipcontactheader.h"
       
    26 #include "siptoheader.h"
       
    27 #include "sipcseqheader.h"
       
    28 #include "sipcontenttypeheader.h"
       
    29 #include "sipextensionheader.h"
       
    30 #include "SIPHeaderLookup.h"
       
    31 #include "sipstrings.h"
       
    32 #include "sipstrconsts.h"
       
    33 #include "_sipcodecdefs.h"
       
    34 
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CSIPMessageElements::NewL
       
    38 // -----------------------------------------------------------------------------
       
    39 //
       
    40 EXPORT_C CSIPMessageElements* CSIPMessageElements::NewL()
       
    41 	{
       
    42     CSIPMessageElements* self = CSIPMessageElements::NewLC();
       
    43     CleanupStack::Pop (self);
       
    44     return self;
       
    45 	}
       
    46 
       
    47 // -----------------------------------------------------------------------------
       
    48 // CSIPMessageElements::NewLC
       
    49 // -----------------------------------------------------------------------------
       
    50 //
       
    51 EXPORT_C CSIPMessageElements* CSIPMessageElements::NewLC ()
       
    52 	{
       
    53 	CSIPMessageElements* self = new(ELeave)CSIPMessageElements;
       
    54     CleanupStack::PushL (self);
       
    55     self->ConstructL ();
       
    56     return self;
       
    57 	}
       
    58 
       
    59 // -----------------------------------------------------------------------------
       
    60 // CSIPMessageElements::CSIPMessageElements
       
    61 // -----------------------------------------------------------------------------
       
    62 //
       
    63 CSIPMessageElements::CSIPMessageElements ()
       
    64  : iHeaderLookupOpen(EFalse) 
       
    65 	{
       
    66 	}
       
    67 
       
    68 // -----------------------------------------------------------------------------
       
    69 // CSIPMessageElements::ConstructL
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 void CSIPMessageElements::ConstructL()
       
    73 	{
       
    74 	SIPHeaderLookup::OpenL();
       
    75     iHeaderLookupOpen = ETrue;
       
    76 	}
       
    77 
       
    78 // -----------------------------------------------------------------------------
       
    79 // CSIPMessageElements::~CSIPMessageElements
       
    80 // -----------------------------------------------------------------------------
       
    81 //
       
    82 EXPORT_C CSIPMessageElements::~CSIPMessageElements () 
       
    83 	{
       
    84     if (iHeaderLookupOpen)
       
    85         {
       
    86 	    SIPHeaderLookup::Close();
       
    87         }
       
    88 	delete iContent;
       
    89 	iUserHeaders.ResetAndDestroy();
       
    90     delete iFromHeader;
       
    91     delete iToHeader;
       
    92     delete iCSeqHeader;
       
    93     delete iContentTypeHeader;
       
    94 	}
       
    95 
       
    96 // -----------------------------------------------------------------------------
       
    97 // CSIPMessageElements::SetUserHeadersL
       
    98 // -----------------------------------------------------------------------------
       
    99 //
       
   100 EXPORT_C void 
       
   101 CSIPMessageElements::SetUserHeadersL (RPointerArray<CSIPHeaderBase>& aHeaders)
       
   102 	{
       
   103     RPointerArray<CSIPHeaderBase> tmpHeaders;
       
   104     CleanupClosePushL(tmpHeaders);
       
   105 	for (TInt i=0; i<aHeaders.Count(); i++)
       
   106         {
       
   107         CSIPHeaderBase* header = aHeaders[i];
       
   108         CheckUserHeaderL(header);
       
   109         tmpHeaders.AppendL(header);
       
   110         }
       
   111     CleanupStack::Pop(1); // tmpHeaders
       
   112     iUserHeaders.ResetAndDestroy();
       
   113     iUserHeaders = tmpHeaders;
       
   114     aHeaders.Reset();
       
   115 	}
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CSIPMessageElements::UserHeaders
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 EXPORT_C const RPointerArray<CSIPHeaderBase>& 
       
   122 CSIPMessageElements::UserHeaders() const
       
   123 	{
       
   124 	return iUserHeaders;
       
   125 	}
       
   126 
       
   127 // -----------------------------------------------------------------------------
       
   128 // CSIPMessageElements::SetContentL
       
   129 // -----------------------------------------------------------------------------
       
   130 //
       
   131 EXPORT_C void CSIPMessageElements::SetContentL (HBufC8* aContent,
       
   132                                                 CSIPContentTypeHeader* aType)
       
   133 	{
       
   134 	__ASSERT_ALWAYS (aContent != 0, User::Leave(KErrArgument));
       
   135 	__ASSERT_ALWAYS (aType != 0, User::Leave(KErrArgument));
       
   136 
       
   137     delete iContentTypeHeader;
       
   138     iContentTypeHeader = aType;
       
   139 	delete iContent;
       
   140 	iContent = aContent;
       
   141 	}
       
   142 
       
   143 // -----------------------------------------------------------------------------
       
   144 // CSIPMessageElements::Content
       
   145 // -----------------------------------------------------------------------------
       
   146 //
       
   147 EXPORT_C const TDesC8& CSIPMessageElements::Content () const
       
   148     {
       
   149     if (iContent)
       
   150         {
       
   151         return *iContent;
       
   152         }
       
   153     return KNullDesC8;
       
   154     }
       
   155 
       
   156 // -----------------------------------------------------------------------------
       
   157 // CSIPMessageElements::Content
       
   158 // -----------------------------------------------------------------------------
       
   159 //
       
   160 EXPORT_C const CSIPContentTypeHeader* CSIPMessageElements::ContentType() const
       
   161     {
       
   162     return iContentTypeHeader;
       
   163     }
       
   164 
       
   165 // -----------------------------------------------------------------------------
       
   166 // CSIPMessageElements::ExtractContent
       
   167 // -----------------------------------------------------------------------------
       
   168 //
       
   169 EXPORT_C HBufC8* CSIPMessageElements::ExtractContent ()
       
   170     {
       
   171     HBufC8* tmp = iContent;
       
   172     iContent = 0;
       
   173     delete iContentTypeHeader;
       
   174     iContentTypeHeader = 0;
       
   175     return tmp;
       
   176     }
       
   177 
       
   178 // -----------------------------------------------------------------------------
       
   179 // CSIPMessageElements::InternalizeL
       
   180 // -----------------------------------------------------------------------------
       
   181 //
       
   182 CSIPMessageElements* CSIPMessageElements::InternalizeL(RReadStream& aReadStream)
       
   183 	{
       
   184 	CSIPMessageElements* self = CSIPMessageElements::NewLC();
       
   185     self->DoInternalizeL(aReadStream);
       
   186 	CleanupStack::Pop(self);
       
   187     return self;
       
   188 	}
       
   189 
       
   190 // -----------------------------------------------------------------------------
       
   191 // CSIPMessageElements::DoInternalizeL
       
   192 // -----------------------------------------------------------------------------
       
   193 //
       
   194 void CSIPMessageElements::DoInternalizeL (RReadStream& aReadStream)
       
   195 	{
       
   196 	TUint8 moreHeaders = aReadStream.ReadUint8L();
       
   197 	while (moreHeaders)
       
   198 		{
       
   199 		TUint32 nameLength = aReadStream.ReadUint32L();
       
   200 		HBufC8* name = HBufC8::NewLC (nameLength);
       
   201 		TPtr8 namePtr(name->Des());
       
   202 		aReadStream.ReadL (namePtr,nameLength);
       
   203 		RStringF nameStr = SIPStrings::Pool().OpenFStringL(namePtr);
       
   204 		CleanupClosePushL(nameStr);
       
   205 		CSIPHeaderBase* header = 
       
   206 		    SIPHeaderLookup::InternalizeL(nameStr,aReadStream);
       
   207 		CleanupStack::PopAndDestroy(); // nameStr
       
   208 		CleanupStack::PopAndDestroy(name);
       
   209 		CleanupStack::PushL(header);
       
   210 		AddHeaderL(header);
       
   211 		CleanupStack::Pop(header);
       
   212 		moreHeaders = aReadStream.ReadUint8L();
       
   213 		}
       
   214 	}
       
   215 
       
   216 // -----------------------------------------------------------------------------
       
   217 // CSIPMessageElements::ExternalizeL
       
   218 // -----------------------------------------------------------------------------
       
   219 //
       
   220 void 
       
   221 CSIPMessageElements::ExternalizeL (RWriteStream& aWriteStream) const
       
   222 	{
       
   223     if (iFromHeader)
       
   224         {
       
   225 		aWriteStream.WriteUint8L(1); // more headers in the stream flag
       
   226         iFromHeader->ExternalizeL(aWriteStream);
       
   227         }
       
   228     if (iToHeader)
       
   229         {
       
   230 		aWriteStream.WriteUint8L(1); // more headers in the stream flag
       
   231         iToHeader->ExternalizeL(aWriteStream);
       
   232         }
       
   233     if (iCSeqHeader)
       
   234         {
       
   235 		aWriteStream.WriteUint8L(1); // more headers in the stream flag
       
   236         iCSeqHeader->ExternalizeL(aWriteStream);
       
   237         }
       
   238     if (iContentTypeHeader)
       
   239         {
       
   240         aWriteStream.WriteUint8L(1); // more headers in the stream flag
       
   241         iContentTypeHeader->ExternalizeL(aWriteStream);
       
   242         }
       
   243     ExternalizeUserHeadersL (aWriteStream);
       
   244 	aWriteStream.WriteUint8L(0); // no more headers in the stream flag
       
   245 	}
       
   246 
       
   247 // -----------------------------------------------------------------------------
       
   248 // CSIPMessageElements::UserHeaderCount
       
   249 // -----------------------------------------------------------------------------
       
   250 //
       
   251 TInt CSIPMessageElements::UserHeaderCount (RStringF aName) const
       
   252     {
       
   253     TInt headerCount = 0;
       
   254 	for (TInt i=0; i < iUserHeaders.Count(); i++)
       
   255 		{
       
   256         if (iUserHeaders[i]->Name() == aName)
       
   257             {
       
   258             headerCount++;
       
   259             }
       
   260 		}
       
   261     return headerCount;
       
   262     }
       
   263 
       
   264 // -----------------------------------------------------------------------------
       
   265 // CSIPMessageElements::UserHeadersL
       
   266 // -----------------------------------------------------------------------------
       
   267 //
       
   268 const RPointerArray<CSIPHeaderBase> 
       
   269 CSIPMessageElements::UserHeadersL (RStringF aName) const
       
   270     {
       
   271     RPointerArray<CSIPHeaderBase> headers;
       
   272     CleanupClosePushL(headers);
       
   273 	for (TInt i=0; i < iUserHeaders.Count(); i++)
       
   274 		{
       
   275         if (iUserHeaders[i]->Name() == aName)
       
   276             {
       
   277             User::LeaveIfError(headers.Append(iUserHeaders[i]));
       
   278             }
       
   279 		}
       
   280     CleanupStack::Pop(1); // headers
       
   281     return headers;
       
   282     }
       
   283 
       
   284 // -----------------------------------------------------------------------------
       
   285 // CSIPMessageElements::RemoveHeaders
       
   286 // -----------------------------------------------------------------------------
       
   287 //
       
   288 TInt CSIPMessageElements::RemoveHeaders (RStringF aName)
       
   289     {
       
   290     TInt err = KErrNotFound;
       
   291 	for (TInt i=iUserHeaders.Count()-1; i>=0; i--)
       
   292 		{
       
   293         if (iUserHeaders[i]->Name() == aName)
       
   294             {
       
   295             CSIPHeaderBase* header = iUserHeaders[i];
       
   296             iUserHeaders.Remove(i);
       
   297             delete header;
       
   298             err = KErrNone;
       
   299             }
       
   300 		}
       
   301     return err;
       
   302     }   
       
   303 
       
   304 // -----------------------------------------------------------------------------
       
   305 // CSIPMessageElements::DetachUserHeader
       
   306 // -----------------------------------------------------------------------------
       
   307 //
       
   308 void CSIPMessageElements::DetachUserHeader (CSIPHeaderBase* aHeader)
       
   309     {
       
   310 	for (TInt i=0; i < iUserHeaders.Count(); i++)
       
   311 		{
       
   312         if (iUserHeaders[i] == aHeader)
       
   313             {
       
   314             iUserHeaders.Remove(i);
       
   315             }
       
   316 		}
       
   317     }
       
   318 
       
   319 // -----------------------------------------------------------------------------
       
   320 // CSIPMessageElements::AddHeaderL 
       
   321 // -----------------------------------------------------------------------------
       
   322 //
       
   323 void CSIPMessageElements::AddHeaderL (CSIPHeaderBase* aHeader)
       
   324 	{
       
   325 	__ASSERT_ALWAYS (aHeader != 0, User::Leave(KErrArgument));
       
   326 	
       
   327     if (aHeader->Name() == SIPStrings::StringF(SipStrConsts::EFromHeader))
       
   328         {
       
   329         delete iFromHeader;
       
   330         iFromHeader = static_cast<CSIPFromHeader*>(aHeader);
       
   331         }
       
   332     else if (aHeader->Name() == SIPStrings::StringF(SipStrConsts::EToHeader))
       
   333         {
       
   334         delete iToHeader;
       
   335         iToHeader = static_cast<CSIPToHeader*>(aHeader);
       
   336         }
       
   337     else if (aHeader->Name() == SIPStrings::StringF(SipStrConsts::ECSeqHeader))
       
   338         {
       
   339         delete iCSeqHeader;
       
   340         iCSeqHeader = static_cast<CSIPCSeqHeader*>(aHeader);
       
   341         }
       
   342     else if (aHeader->Name() == 
       
   343              SIPStrings::StringF(SipStrConsts::EContentTypeHeader))
       
   344         {
       
   345         delete iContentTypeHeader;
       
   346         iContentTypeHeader = static_cast<CSIPContentTypeHeader*>(aHeader);
       
   347         }
       
   348     else
       
   349         {
       
   350         User::LeaveIfError(iUserHeaders.Append(aHeader));
       
   351         }
       
   352 	}
       
   353 
       
   354 // -----------------------------------------------------------------------------
       
   355 // CSIPMessageElements::SetToL
       
   356 // -----------------------------------------------------------------------------
       
   357 //
       
   358 void CSIPMessageElements::SetToL (CSIPToHeader* aTo)
       
   359     {
       
   360     __ASSERT_ALWAYS (aTo != 0, User::Leave(KErrArgument));
       
   361     __ASSERT_ALWAYS (!aTo->HasParam(SIPStrings::StringF(SipStrConsts::ETag)),
       
   362                      User::Leave(KErrArgument));
       
   363 
       
   364     delete iToHeader;
       
   365     iToHeader = aTo;
       
   366     }
       
   367 
       
   368 // -----------------------------------------------------------------------------
       
   369 // CSIPMessageElements::To
       
   370 // -----------------------------------------------------------------------------
       
   371 //
       
   372 const CSIPToHeader* CSIPMessageElements::To() const
       
   373     {
       
   374     return iToHeader;
       
   375     }
       
   376 
       
   377 // -----------------------------------------------------------------------------
       
   378 // CSIPMessageElements::SetFromL
       
   379 // -----------------------------------------------------------------------------
       
   380 //
       
   381 void CSIPMessageElements::SetFromL (CSIPFromHeader* aFrom)
       
   382     {
       
   383     __ASSERT_ALWAYS (aFrom != 0, User::Leave(KErrArgument));
       
   384     __ASSERT_ALWAYS (!aFrom->HasParam(SIPStrings::StringF(SipStrConsts::ETag)),
       
   385                      User::Leave(KErrArgument));
       
   386 
       
   387     delete iFromHeader;
       
   388     iFromHeader = aFrom;
       
   389     }
       
   390 
       
   391 // -----------------------------------------------------------------------------
       
   392 // CSIPMessageElements::From
       
   393 // -----------------------------------------------------------------------------
       
   394 //
       
   395 const CSIPFromHeader* CSIPMessageElements::From() const
       
   396     {
       
   397     return iFromHeader;
       
   398     }
       
   399 
       
   400 // -----------------------------------------------------------------------------
       
   401 // CSIPMessageElements::CSeq
       
   402 // -----------------------------------------------------------------------------
       
   403 //
       
   404 const CSIPCSeqHeader* CSIPMessageElements::CSeq() const
       
   405     {
       
   406     return iCSeqHeader;
       
   407     }
       
   408 
       
   409 // -----------------------------------------------------------------------------
       
   410 // CSIPMessageElements::SetContent
       
   411 // -----------------------------------------------------------------------------
       
   412 //
       
   413 void CSIPMessageElements::SetContent (HBufC8* aContent)
       
   414     {
       
   415     delete iContent;
       
   416     iContent = aContent;
       
   417     }
       
   418 
       
   419 // -----------------------------------------------------------------------------
       
   420 // CSIPMessageElements::DetachContent
       
   421 // -----------------------------------------------------------------------------
       
   422 //
       
   423 void CSIPMessageElements::DetachContent ()
       
   424     {
       
   425     iContent = 0;
       
   426     }
       
   427 
       
   428 // -----------------------------------------------------------------------------
       
   429 // CSIPMessageElements::CheckUserHeaderL
       
   430 // -----------------------------------------------------------------------------
       
   431 //
       
   432 void CSIPMessageElements::CheckUserHeaderL (const CSIPHeaderBase* aHeader) const
       
   433     {
       
   434     __ASSERT_ALWAYS (aHeader != 0, User::Leave(KErrArgument));
       
   435     // The SIP headers can be divided to two sets:
       
   436     // Supported headers and extension headers.
       
   437     // The supported headers can be further divided into two subsets:
       
   438     // API headers and private headers. 
       
   439     // Private headers cannot be set by the application.
       
   440     RStringF name = aHeader->Name();
       
   441     if (SIPHeaderLookup::IsAPIHeader(name))
       
   442         {
       
   443         if (name == SIPStrings::StringF(SipStrConsts::EFromHeader) ||
       
   444             name == SIPStrings::StringF(SipStrConsts::EToHeader) ||
       
   445             name == SIPStrings::StringF(SipStrConsts::ECSeqHeader) ||
       
   446             name == SIPStrings::StringF(SipStrConsts::EContentTypeHeader))
       
   447             {
       
   448             User::Leave(KErrArgument);
       
   449             }
       
   450         }
       
   451     else
       
   452         {
       
   453         if (SIPHeaderLookup::IsSupported(name)) // Private header
       
   454             {
       
   455             User::Leave(KErrArgument);
       
   456             }
       
   457         }
       
   458     }
       
   459 
       
   460 // -----------------------------------------------------------------------------
       
   461 // CSIPMessageElements::ExternalizeUserHeadersL
       
   462 // -----------------------------------------------------------------------------
       
   463 //   
       
   464 void 
       
   465 CSIPMessageElements::ExternalizeUserHeadersL (RWriteStream& aWriteStream) const
       
   466     {
       
   467     CSIPHeaderBase* header = 0;
       
   468 	for (TInt i=0; i < iUserHeaders.Count(); i++)
       
   469 		{
       
   470         header = iUserHeaders[i];
       
   471         if (header->IsExtensionHeader())
       
   472             {
       
   473             ExternalizeL(static_cast<CSIPExtensionHeader*>(header),
       
   474                          aWriteStream);
       
   475             }
       
   476         else
       
   477             {
       
   478             aWriteStream.WriteUint8L(1); // more headers in the stream
       
   479             header->ExternalizeL(aWriteStream);
       
   480             }
       
   481 		}
       
   482     }
       
   483 
       
   484 // -----------------------------------------------------------------------------
       
   485 // CSIPMessageElements::ExternalizeL
       
   486 // -----------------------------------------------------------------------------
       
   487 //  
       
   488 void CSIPMessageElements::ExternalizeL (const CSIPExtensionHeader* aHeader,
       
   489                                         RWriteStream& aWriteStream) const
       
   490     {
       
   491     RPointerArray<CSIPHeaderBase> convertedHeaders;
       
   492     CSIPHeaderBase* convertedHeader = 0;
       
   493     if (SIPHeaderLookup::IsSupported(aHeader->Name()))
       
   494         {
       
   495         convertedHeaders = SIPHeaderLookup::CreateHeaderL(aHeader->Name(),
       
   496                                                           aHeader->Value());
       
   497         CSIPHeaderBase::PushLC(&convertedHeaders);
       
   498         for (TInt i=0; i < convertedHeaders.Count(); i++)
       
   499             {
       
   500             convertedHeader = convertedHeaders[i];
       
   501             if (convertedHeader->ExternalizeSupported())
       
   502                 {
       
   503                 aWriteStream.WriteUint8L(1); // more headers in the stream
       
   504                 convertedHeader->ExternalizeL(aWriteStream);
       
   505                 }
       
   506             }
       
   507         CleanupStack::PopAndDestroy(1); // convertedHeaders
       
   508         }
       
   509     else
       
   510         {
       
   511         aWriteStream.WriteUint8L(1); // more headers in the stream
       
   512         aHeader->ExternalizeL(aWriteStream);
       
   513         }
       
   514     convertedHeaders.Close();
       
   515     }
       
   516