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SIP Stack (1 of 3)

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20 Aug 2012CPOL3 min read 30.1K   1.7K   4  
SIP Stack Implementation on the basis of RFC SIP 3261 Specification
#include "SIPParserInclude\CSIPRetryAfterParser.h"

namespace SIPParserFW
{
	CSIPRetryAfterParser::CSIPRetryAfterParser()
	{
		ReleaseCSIPRetryAfterParserData() ;
	}

	CSIPRetryAfterParser::CSIPRetryAfterParser( const CSIPRetryAfterParser &SIPRetryAfterParser )
		: ASIPParser( SIPRetryAfterParser )
	{
		ReleaseCSIPRetryAfterParserData() ;

		CopyCSIPRetryAfterParserData( SIPRetryAfterParser ) ;
	}

	CSIPRetryAfterParser::~CSIPRetryAfterParser()
	{
		ReleaseCSIPRetryAfterParserData() ;
	}

	CSIPRetryAfterParser& CSIPRetryAfterParser::operator=( const CSIPRetryAfterParser &SIPRetryAfterParser )
	{
		ReleaseCSIPRetryAfterParserData() ;

		ASIPParser::operator=( SIPRetryAfterParser ) ;

		CopyCSIPRetryAfterParserData( SIPRetryAfterParser ) ;

		return *this ;
	}

	void CSIPRetryAfterParser::ReleaseCSIPRetryAfterParserData()
	{
		m_strRetryAfterInSecString.erase() ;
	}

	void CSIPRetryAfterParser::CopyCSIPRetryAfterParserData( const CSIPRetryAfterParser &SIPRetryAfterParser )
	{
		m_strRetryAfterInSecString = SIPRetryAfterParser.m_strRetryAfterInSecString ;
	}

	CSIPRetryAfterParser* CSIPRetryAfterParser::GetAvailable()
	{
		CSIPRetryAfterParser *pSIPRetryAfterParser = CPoolObject<CSIPRetryAfterParser>::GetAvailable() ;
		return pSIPRetryAfterParser ;
	}

	void CSIPRetryAfterParser::Release()
	{
		ReleaseParameters() ;

		CPoolObject<CSIPRetryAfterParser>::Release( this ) ;
	}

	void CSIPRetryAfterParser::ReleaseParameters()
	{
		ReleaseCSIPRetryAfterParserData() ;
		
		ASIPParser::ReleaseParameters() ;
	}

	ASIPParser* CSIPRetryAfterParser::Copy()
	{
		CSIPRetryAfterParser *pSIPRetryAfterParser = CSIPRetryAfterParser::GetAvailable() ;
		if( pSIPRetryAfterParser == NULL )
			return NULL ;

		*pSIPRetryAfterParser = *this ;

		return pSIPRetryAfterParser ;
	}

	// Grammer
	//Retry-After = "Retry-After" HCOLON delta-seconds
	//[ comment ] *( SEMI retry-param )
	//retry-param = ("duration" EQUAL delta-seconds) / generic-param


	// Please see RFC3261, Pages 176 to 177
	// Please see RFC3261, Pages from 219 to 232 for ABNF forms
	// Please see file ..\Document\SIPRetryAfter Parsing Logic.txt for parsing algorithm

	FW_RETURN_TYPE CSIPRetryAfterParser::Parse( const std::string &strStringToParse )
	{
		if( strStringToParse.empty() )
			return SIP_PARSE_ERR_EMPTY_STRING_TO_PARSE ;

		m_strRetryAfterInSecString = strStringToParse ;
		
		return SIP_ERR_SUCCESS ;
	}

	std::string CSIPRetryAfterParser::ToString() const
	{
		std::string strSIPRetryAfterString = "" ;

		if( !m_strRetryAfterInSecString.empty() )
			strSIPRetryAfterString = m_strRetryAfterInSecString ;

		return strSIPRetryAfterString ;
	}

	std::string CSIPRetryAfterParser::GetHeaderName() const
	{
		return GetRuntimeHeaderName( SIP_HEADER_RETRY_AFTER ) ;
	}
	
} // End namespace

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Architect
India India
Hatim Haidry

VC++, Technical Architect

India

haidryhatim@gmail.com

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