SIP Stack (1 of 3)

#include "SIPParserInclude\CSIPViaParser.h"

#include "SIPParserInclude\CSIPViaParmParser.h"

namespace SIPParserFW
{
	CSIPViaParser::CSIPViaParser()
	{
		ReleaseCSIPViaParserData() ;
	}

	CSIPViaParser::CSIPViaParser( const CSIPViaParser &SIPViaParser )
		: ASIPParserListParser( SIPViaParser )
	{
		ReleaseCSIPViaParserData() ;

		CopyCSIPViaParserData( SIPViaParser ) ;
	}

	CSIPViaParser::~CSIPViaParser()
	{
		ReleaseCSIPViaParserData() ;
	}

	CSIPViaParser& CSIPViaParser::operator=( const CSIPViaParser &SIPViaParser )
	{
		ReleaseCSIPViaParserData() ;

		ASIPParserListParser::operator=( SIPViaParser ) ;

		CopyCSIPViaParserData( SIPViaParser ) ;

		return *this ;
	}

	void CSIPViaParser::ReleaseCSIPViaParserData()
	{
	}

	void CSIPViaParser::CopyCSIPViaParserData( const CSIPViaParser &SIPViaParser )
	{
	}

	CSIPViaParser* CSIPViaParser::GetAvailable()
	{
		CSIPViaParser *pSIPViaParser = CPoolObject<CSIPViaParser>::GetAvailable() ;
		return pSIPViaParser ;
	}

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

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

	void CSIPViaParser::ReleaseParameters()
	{
		ReleaseCSIPViaParserData() ;
		
		ASIPParserListParser::ReleaseParameters() ;
	}

	ASIPParserListParser* CSIPViaParser::Copy()
	{
		CSIPViaParser *pSIPViaParser = CSIPViaParser::GetAvailable() ;
		if( pSIPViaParser == NULL )
			return NULL ;

		*pSIPViaParser = *this ;

		return pSIPViaParser ;
	}

	// Grammer
	//Via = ( "Via" / "v" ) HCOLON via-parm *(COMMA via-parm)
	//via-parm = sent-protocol LWS sent-by *( SEMI via-params )
	//via-params = via-ttl / via-maddr / via-received / via-branch / via-extension
	//via-ttl = "ttl" EQUAL ttl
	//via-maddr = "maddr" EQUAL host
	//via-received = "received" EQUAL (IPv4address / IPv6address)
	//via-branch = "branch" EQUAL token
	//via-extension = generic-param
	//sent-protocol = protocol-name SLASH protocol-version 	SLASH transport
	//protocol-name = "SIP" / token
	//protocol-version = token
	//transport = "UDP" / "TCP" / "TLS" / "SCTP" / other-transport
	//other-transport = token
	//sent-by = host [ COLON port ]
	//ttl = 1*3DIGIT ; 0 to 255

	// Please see RFC3261, Pages from 179 to 180
	// Please see RFC3261, Pages from 219 to 232 for ABNF forms
	// Please see file ..\Document\SIPSIPViaParm Parsing Logic.txt for parsing algorithm
	
	FW_RETURN_TYPE CSIPViaParser::QueryAvailableParser( ASIPParser **pSIPParser )
	{
		*pSIPParser = NULL ;

		CSIPViaParmParser *pSIPViaParmParser = CSIPViaParmParser::GetAvailable() ;
		if( pSIPViaParmParser == NULL )
			return SIP_PARSE_ERR_SIP_VIA_PARM_PARSER_OBJECT_NOT_CREATED ;

		*pSIPParser = pSIPViaParmParser ;

		return SIP_ERR_SUCCESS ;
	}

	std::string CSIPViaParser::GetHeaderName() const
	{
		return GetRuntimeHeaderName( SIP_HEADER_VIA ) ;
	}

} // End namespace