csrdpdu.cpp

来自「ABis无线接口全套资料」· C++ 代码 · 共 115 行

//
// csrdpdu.cpp
// Define SRD interface analysis class methods.
// 2005-12-14
// Wu jianjin
//

#ifndef _CSRDPDU_HPP
#include "csrdpdu.hpp"
#endif

#ifndef _PCUIE_HPP
#include "pcuie.hpp"
#endif

CSrdPdu::CSrdPdu( )
{
	Init( );
}

CSrdPdu::CSrdPdu(CSrdPdu& s) : CPduBase(s)
{
}

CSrdPdu::~CSrdPdu( )
{
}

void CSrdPdu::Init( )
{
	CPduBase::Init( );
}

int	CSrdPdu::Unpacked(char  * ptr, UINT16 len) // Unpacked the PDU octets string.
{
	// Nothing to do.
	return 0;
}

char  * CSrdPdu::Output(UINT16& len) // Packed the PDU in dedicat model.
{
	char  * pPdu = NULL;
	len = 0;

	pPdu = ComposeSrdPdu(len);

	return pPdu;
}

int CSrdPdu::DecomposeJoyitApi(char  * ptr, UINT16 len) // Not used.
{
	// Nothing to do.
	return 0;
}

char  * CSrdPdu::ComposeJoyitApi(UINT16& len) // Not used.
{
	// Nothing to do.
	return NULL;
}

// ===========================================================================
//
// Description: Pack up IE into SRD interface.
// Input: Null
// Output:
//		len		Length of Joyit API message.
// Return: char *
//		NULL	Failure.
//		Other	Pointer point to Joyit API message.
//
// ===========================================================================
char  * CSrdPdu::ComposeSrdPdu(UINT16& len)
{
	char * pPdu = NULL;
	char pdu[MAX_MSGLEN] = { 0 };
	UINT16 pos = 0;
	UINT16 l;
	int i;
	UINT8 totalie = NoIe( );

	if (totalie != totalie)
	{
		return pPdu;
	}

	// Make up all other IEs.
	for (i=0; i<totalie; ++i)
	{
		if (PCU_IE_COSM == IE[i].id)
		{
			pdu[pos++] = IE[i].len; // IE[i].GetIeData( );
		}

		memcpy(pdu+pos, IE[i].GetIeData(l), IE[i].len);
		pos += IE[i].len;
	}

	// Allocate memory for this PDU.
	pPdu = new char[pos];

	if (pPdu != NULL)
	{
		memcpy(pPdu, pdu, pos);
		len = pos;
	}
	else
	{ // Out of memory.
		printf("Make up SRD interface PDU out of memory.\n");
	}
	
	return pPdu;
}