BST_UINT8 *BST_APP_CEmailIMAP::SetImapIDCmd(
    const BST_UINT8 *pucImapIDCmd,
    BST_UINT16       usLen )
{
    BST_ERR_ENUM_UINT8      enRtnVal;

    if ( BST_NULL_PTR == pucImapIDCmd )
    {
        return BST_NULL_PTR;
    }
    if ( 0 == usLen )
    {
        return BST_NULL_PTR;
    }
    if ( BST_NULL_PTR == m_pstrImapIDCmd )
    {
        BST_RLS_LOG( "BST_APP_CEmailExchange::SetDeviceID m_pDeviceID=NULL" );
        return BST_NULL_PTR;
    }

    enRtnVal        = BST_LIB_StrFill( m_pstrImapIDCmd, pucImapIDCmd, usLen );
    BST_ASSERT_NORM_RTN( (BST_NO_ERROR_MSG != enRtnVal), BST_NULL_PTR );
    return ( BST_UINT8 *)(m_pstrImapIDCmd->pData);
}
BST_ERR_ENUM_UINT8 BST_SRV_CHNL_Acked (
    BST_SRV_CHNL_LINK_STRU     *pstLinkItem,
    const BST_UINT32            ulMinNumber,
    const BST_UINT32            ulMaxNumber )
{
    BST_SRV_CHNL_SENT_STRU             *pSentItem;
    BST_SRV_CHNL_SENT_STRU             *pSentItem2;
    BST_SRV_CHNL_HEAD_STRU             *pstPktItem;
    BST_SRV_CHNL_HEAD_STRU             *pstPktItem2;
    BST_UINT32                          ulSpinlockCnt;
    BST_UINT32                          ulOrigCounter;
    BST_DRV_STRU                       *pNetDrvHandle;
    BST_ERR_ENUM_UINT8                  enRtnVal;

    BST_ASSERT_NULL_RTN( pstLinkItem, BST_ERR_INVALID_PTR );
    BST_ASSERT_NORM_RTN( ulMaxNumber < ulMinNumber, BST_ERR_ILLEGAL_PARAM );

    BST_DBG_LOG2( "BST_SRV_CHNL_Acked ulMinNumber, ulMaxNumber",
                  ulMinNumber, ulMaxNumber );
    /*查找已发送的数据包的*/
    pSentItem                           = BST_SRV_Q_PeekHead(pstLinkItem->pSentList);
    ulOrigCounter                       = g_ulHighPriCnt;
    pSentItem2                          = BST_NULL_PTR;
    pstPktItem2                         = BST_NULL_PTR;
    while( pSentItem != BST_NULL_PTR )
    {
        if ( ( pSentItem->ulAckNo > ulMinNumber )
           &&( pSentItem->ulAckNo <=ulMaxNumber ) )
        {
            if( BST_DSPP_FLG_LVLTYPE_HS == pSentItem->usProcLevel )
            {
                ulSpinlockCnt           = BST_OS_SpinLock( &g_HighPriCntSpinLock );
                if ( g_ulHighPriCnt > 0 )
                {
                    g_ulHighPriCnt--;
                }
                BST_OS_SpinUnLock( &g_HighPriCntSpinLock , ulSpinlockCnt );
            }
            BST_DBG_LOG1("BST_SRV_CHNL_Acked,g_ulHighPriCnt--",g_ulHighPriCnt);
            BST_SRV_Q_RmvItem( (BST_SRV_CHNL_Q **)&pstLinkItem->pSentList,
                               (BST_SRV_CHNL_Q *)pSentItem,
                               (BST_SRV_CHNL_Q **)&pSentItem2 );
            BST_OS_FREE( pSentItem );
        }
        else
        {
            pSentItem2                  = pSentItem->pNext;
        }
        pSentItem                       = pSentItem2;
    }

    pstPktItem                          = BST_SRV_Q_PeekHead(pstLinkItem->pUnsendList);
    while ( pstPktItem != BST_NULL_PTR )
    {
        if( BST_IP_SKT_PROP_NONE != pstPktItem->ucPropType )
        {
            if( ( ( pstPktItem->stProp.ulSeqNum + pstPktItem->ulUsed  ) > ulMinNumber )
              &&( ( pstPktItem->stProp.ulSeqNum + pstPktItem->ulUsed  ) <=ulMaxNumber ) )
            {
                BST_SRV_Q_RmvItem( (BST_SRV_CHNL_Q **)&pstLinkItem->pUnsendList,
                                   (BST_SRV_CHNL_Q *)pstPktItem,
                                   (BST_SRV_CHNL_Q **)&pstPktItem2 );
                BST_SRV_FreeIpBlock( pstPktItem );
            }
            else
            {
                pstPktItem2             = pstPktItem->pNext;
            }
        }
        else
        {
            pstPktItem2                 = pstPktItem->pNext;
        }
        pstPktItem                      = pstPktItem2;
    }
    enRtnVal                            = BST_NO_ERROR_MSG;
    if( BST_NULL_PTR != pstLinkItem->pUnsendList )
    {
        BST_OS_TimerStop( pstLinkItem->ulTimerId );
        BST_DBG_LOG( "BST_SRV_CHNL_Acked, Proc Unsent List" );
        enRtnVal                        = BST_SRV_CHNL_ProcInCB( pstLinkItem );
    }

    /**
     * 刚刚有值,现在无值,那么说明全部高优先数据发送完成
     */
    if( ( 0 != ulOrigCounter ) && ( 0 == g_ulHighPriCnt ) )
    {
        pNetDrvHandle   = BST_DRV_NetGetDvcHandle();
        enRtnVal        = 0;
        pNetDrvHandle->pfIoCtrl( BST_DRV_CMD_HPR_DATA_FINISH, (BST_VOID *)&enRtnVal );
        BST_DBG_LOG( "BST_SRV_CHNL_Acked, BST_DRV_CMD_HPR_DATA_FINISH" );
    }

    return enRtnVal;
}