void  TForm1::cdmasmsDec(void* pInputMsg, SMSElementDef& output_sms)
{
	//輸入pInputMsg是結(jié)構(gòu)為L3_SMSDef形式的消息
	pDealMsg = (L3_SMSDef*)pInputMsg;
	char burst_Type;  //突發(fā)消息類型
	char num_Datas;   //突發(fā)消息包括char的數(shù)目
	char smsmsg_Type;
	/*SMS data相關(guān)域的定義*/
	char paraID;
	char paraLength;
	char paraData[200];
	char numChar_DataField = 0;  //作為判斷是否char域結(jié)束的標(biāo)志
        int i;  //當(dāng)前字節(jié)位置

	burst_Type = pDealMsg->smsHeader.burst_Type;
	/*如果消息類型不是SMS，則丟棄消息，并退出*/
	if((burst_Type!=SHORT_MESSAGE_SERVICES)
		                    &&(pDealMsg->smsHeader.msg_number != 1)
		                    &&(pDealMsg->smsHeader.num_msgs != 1) 
		                    &&(pDealMsg->smsHeader.num_fields <= 0))
	{
		ShowMessage("DBM 包不正確!");
		delete pInputMsg;
		return;
	}

	//有效char數(shù)目
	num_Datas = pDealMsg->smsHeader.num_Fields;
	smsmsg_Type = pDealMsg->l3_data[0];
	numChar_DataField = 1;  //SMS類型占1 byte

	/*判斷SMS消息類型，若不是點(diǎn)到點(diǎn)的SMS，則丟棄消息，并退出*/
	if(smsmsg_Type!=SMS_POINT_TO_POINT)
	{
		ShowMessage("不是點(diǎn)到點(diǎn)的SMS");
		delete pInputMsg;
		return;
	}

        while(numChar_DataField<num_Datas)
        {
                paraID = pDealMsg->l3_data[numChar_DataField];
                numChar_DataField++;
                paraLength = pDealMsg->l3_data[numChar_DataField];
                numChar_DataField++;

                //源/目地址參數(shù)的分析   //54頁
                if((paraID == Originating_Address)||(paraID == Destination_Address))
		{

                    CDMASMSAddrDec(pDealMsg,numChar_DataField,paraLength,output_sms);
		}

                if(paraID == Bearer_Data) //61頁
                {
                   
                   CDMASMSBearDataDec(pDealMsg,numChar_DataField,paraLength,output_sms);
                }
                //更新 numChar_DataField 參數(shù)
                numChar_DataField = numChar_DataField+paraLength;
        }


        SMSDisplay(output_sms);
        delete   pInputMsg;
        ShowMessage("SMS分析結(jié)束,退出");
        return;
}







//---------------------------------------------------------------------------
/*********************************************************
函數(shù)說明：
      輸入?yún)?shù)：pMsg：層三DBM消息
                charAddr ：BearData起始位置對應(yīng)l3_data[]的下標(biāo)(參數(shù)開始位置，不包括ID和長度)
                length：參數(shù)長度
      輸出參數(shù)：output_sms結(jié)構(gòu)
      功能：解析出SMS
*********************************************************/
void  TForm1::CDMASMSBearDataDec(L3_SMSDef* pMsg,int charAddr,int length,SMSElementDef& out_sms)
{
        int i;
        char  subParaID;
        char  subParaLength;
        char  currCharAddr = charAddr;  //當(dāng)前處理字節(jié)位置

        while((currCharAddr-charAddr)<length)
        {
                subParaID = pMsg->l3_data[currCharAddr];
                currCharAddr++;
                subParaLength = pMsg->l3_data[currCharAddr];
                currCharAddr++;

                /*消息類型字段的處理*/
		  if(subParaID == MESSAGE_IDENTIFIER)
		  {
		          MsgID_CDMASMSDec(pMsg,currCharAddr,subParaLength,out_sms);
		  }

                /*用戶數(shù)據(jù)字段的處理*/
                if(subParaID == USER_DATA)
                {
                        UserData_CDMASMSDec(pMsg,currCharAddr,subParaLength,out_sms);
                }
                /*用戶反應(yīng)碼字段的處理*/
		  if(subParaID == USER_RESPONSE_CODE)
		  {
		          User_RC_CDMASMSDec(pMsg,currCharAddr,subParaLength,out_sms);
		  }
                /*消息類型字段的處理*/
		  if(subParaID == MESSAGE_IDENTIFIER)
		  {
		          MsgID_CDMASMSDec(pMsg,currCharAddr,subParaLength,out_sms);
		  }
		  /*時間字段的處理*/
                if(subParaID == MESSAGE_CENTER_TIME_STAMP)
                {
                        Timer_CDMASMSDec(pMsg,currCharAddr,subParaLength,out_sms);
                }
                /*回叫號碼的處理*/
                if(subParaID == CALLBACK_NUMBER)
                {
                        CallbackNumber_CDMASMSDec(pMsg,currCharAddr,subParaLength,out_sms);
                }
                currCharAddr = currCharAddr+ subParaLength;
        }
}

//---------------------------------------------------------------------------