author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 10:16:25 +0300 | |
branch | RCL_3 |
changeset 41 | f54bfd820e04 |
parent 0 | 307788aac0a8 |
permissions | -rw-r--r-- |
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// Name : CSIPMessageParser.cpp |
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// Part of : SIP Codec |
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// Version : SIP/4.0 |
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// |
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#include "sipmessageparser.h" |
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#include "CSIPPreParser.h" |
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#include "TSIPHeaderNameValueIter.h" |
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#include "CSIPHeaderNameValue.h" |
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#include "SIPHeaderLookup.h" |
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#include "sipcodecerr.h" |
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#include "sipmessage.h" |
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#include "siprequest.h" |
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#include "sipresponse.h" |
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#include "sipheaderbase.h" |
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#include "sipuri.h" |
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#include "uricontainer.h" |
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#include "_sipcodecdefs.h" |
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_LIT8(KSIPWithSlash, "SIP/"); |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::NewL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CSIPMessageParser* CSIPMessageParser::NewL () |
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{ |
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CSIPMessageParser* self= CSIPMessageParser::NewLC (); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::NewLC |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CSIPMessageParser* CSIPMessageParser::NewLC () |
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{ |
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CSIPMessageParser* self=new(ELeave) CSIPMessageParser; |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::CSIPMessageParser |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPMessageParser::CSIPMessageParser() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::ConstructL |
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// ----------------------------------------------------------------------------- |
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// |
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void CSIPMessageParser::ConstructL () |
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{ |
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SIPHeaderLookup::OpenL (); |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::~CSIPMessageParser |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CSIPMessageParser::~CSIPMessageParser() |
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{ |
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SIPHeaderLookup::Close (); |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::FromText |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TInt CSIPMessageParser::FromText (HBufC8* aInputSIPMessage, |
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CSIPMessage** aSIPMessage) |
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{ |
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TInt parseErrorInHeaders=KErrNone; |
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CSIPMessage* sipMessage = 0; |
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TRAPD (err, sipMessage = FromTextL (aInputSIPMessage,parseErrorInHeaders)); |
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*aSIPMessage = sipMessage; |
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if (err == KErrNone) |
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{ |
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err = parseErrorInHeaders; |
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} |
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return err; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::FromTextL |
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// ----------------------------------------------------------------------------- |
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108 |
// |
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CSIPMessage* CSIPMessageParser::FromTextL (HBufC8* aInputSIPMessage, |
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TInt& aParseErrorInHeaders) |
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111 |
{ |
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__ASSERT_ALWAYS (aInputSIPMessage != 0, User::Leave(KErrArgument)); |
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113 |
|
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aParseErrorInHeaders = KErrNone; |
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CSIPPreParser* preParser = CSIPPreParser::NewL(aInputSIPMessage); |
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CleanupStack::PushL(preParser); |
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CSIPMessage* sipMessage = CreateSIPMessageLC (preParser->FirstLineL()); |
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118 |
|
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TSIPHeaderNameValueIter iter (*preParser); |
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while (!iter.End()) |
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121 |
{ |
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CSIPHeaderNameValue* header = iter.NextL (); |
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RPointerArray<CSIPHeaderBase> headerArray; |
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TRAPD (err, headerArray = |
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SIPHeaderLookup::CreateHeaderL(header->Name(),header->Value())); |
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delete header; |
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if (err == KErrNoMemory) |
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128 |
{ |
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User::Leave(KErrNoMemory); |
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} |
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if (err == KErrNone) |
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132 |
{ |
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CSIPHeaderBase::PushLC(&headerArray); |
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for (TInt i=0; i < headerArray.Count(); i++) |
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135 |
{ |
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sipMessage->AddHeaderL (headerArray[i]); |
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headerArray[i] = 0; |
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} |
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CleanupStack::PopAndDestroy(1); // headerArray |
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} |
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else // ignore header with syntax error |
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142 |
{ |
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// Set the first error |
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if (aParseErrorInHeaders == KErrNone) |
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145 |
{ |
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aParseErrorInHeaders = err; |
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} |
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148 |
} |
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149 |
} |
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150 |
|
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HBufC8* content = preParser->ContentL(); |
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sipMessage->SetContent (content); |
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CleanupStack::Pop(sipMessage); |
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CleanupStack::PopAndDestroy(preParser); |
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return sipMessage; |
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156 |
} |
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157 |
|
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158 |
// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::CreateSIPMessageLC |
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// ----------------------------------------------------------------------------- |
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161 |
// |
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CSIPMessage* CSIPMessageParser::CreateSIPMessageLC (const TDesC8& aFirstLine) |
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163 |
{ |
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CSIPMessage* sipMessage = NULL; |
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165 |
|
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if (aFirstLine.FindF(KSIPWithSlash) == 0) |
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167 |
{ |
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sipMessage = CreateSIPResponseLC(aFirstLine); |
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169 |
} |
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170 |
else |
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171 |
{ |
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sipMessage = CreateSIPRequestLC(aFirstLine); |
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173 |
} |
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174 |
|
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return sipMessage; |
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176 |
} |
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177 |
|
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178 |
// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::CreateSIPRequestLC |
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// ----------------------------------------------------------------------------- |
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181 |
// |
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CSIPRequest* CSIPMessageParser::CreateSIPRequestLC (const TDesC8& aRequestLine) |
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183 |
{ |
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__ASSERT_ALWAYS (aRequestLine.Length()>0, |
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User::Leave(KErrSipCodecRequestLine)); |
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186 |
|
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//Method SP Request-URI SP SIP-Version |
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CSIPRequest* sipRequest = CSIPRequest::NewLC(); |
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TLex8 lex(aRequestLine); |
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190 |
|
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191 |
//Method |
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TPtrC8 method = lex.NextToken(); |
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sipRequest->SetMethodL(method); |
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194 |
|
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195 |
//Request-URI |
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CURIContainer* uri = CURIContainer::DecodeL(lex.NextToken()); |
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CleanupStack::PushL(uri); |
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sipRequest->SetRequestURIL (uri); |
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CleanupStack::Pop(uri); |
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200 |
|
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201 |
//SIP-Version |
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sipRequest->SetSIPVersionL(lex.NextToken()); |
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203 |
|
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204 |
return sipRequest; |
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205 |
} |
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206 |
|
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207 |
// ----------------------------------------------------------------------------- |
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208 |
// CSIPMessageParser::CreateSIPResponseLC |
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209 |
// ----------------------------------------------------------------------------- |
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// |
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CSIPResponse* CSIPMessageParser::CreateSIPResponseLC (const TDesC8& aStatusLine) |
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{ |
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__ASSERT_ALWAYS (aStatusLine.Length()>0, |
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User::Leave(KErrSipCodecResponseLine)); |
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|
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//SIP-Version SP Status-Code SP Reason-Phrase |
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CSIPResponse* sipResponse = CSIPResponse::NewL(); |
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CleanupStack::PushL (sipResponse); |
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TLex8 lex(aStatusLine); |
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|
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sipResponse->SetSIPVersionL (lex.NextToken()); |
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sipResponse->SetResponseCodeL (ParseResponseCodeL(lex.NextToken())); |
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if (lex.Get() != ' ') |
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{ |
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User::Leave(KErrSipCodecResponseLine); |
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} |
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sipResponse->SetReasonPhraseL (lex.Remainder()); |
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|
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return sipResponse; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CSIPMessageParser::ParseResponseCodeL |
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// ----------------------------------------------------------------------------- |
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// |
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TUint CSIPMessageParser::ParseResponseCodeL (const TDesC8& aResponseCode) |
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{ |
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__ASSERT_ALWAYS (aResponseCode.Length() > 0, |
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User::Leave (KErrSipCodecResponseCode)); |
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|
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TLex8 lex(aResponseCode); |
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TUint chrCount=0; |
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lex.Mark(); |
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TChar chr = lex.Get(); |
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while (chr) |
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{ |
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chrCount++; |
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chr = lex.Get(); |
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} |
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const TInt KCharactersInResponseCode = 3; |
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if (chrCount != KCharactersInResponseCode) |
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{ |
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User::Leave (KErrSipCodecResponseCode); |
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} |
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lex.UnGetToMark(); |
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TUint value=0; |
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if (lex.Val(value) != KErrNone) |
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{ |
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User::Leave (KErrSipCodecResponseCode); |
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} |
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return value; |
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} |