snmpnotifyfiltertable_interface.c

开发snmp的开发包有两个开放的SNMP开发库

    return rc;
}                               /* _snmpNotifyFilterTable_set_column */

int
_mfd_snmpNotifyFilterTable_set_values(netsnmp_mib_handler *handler, netsnmp_handler_registration
                                      *reginfo, netsnmp_agent_request_info
                                      *agtreq_info,
                                      netsnmp_request_info *requests)
{
    snmpNotifyFilterTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);
    netsnmp_table_request_info *tri;
    int             rc = SNMP_ERR_NOERROR;

    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_mfd_snmpNotifyFilterTable_set_values", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    rowreq_ctx->column_set_flags = 0;
    for (; requests; requests = requests->next) {
        /*
         * set column data
         */
        tri = netsnmp_extract_table_info(requests);
        if (NULL == tri)
            continue;

        rc = _snmpNotifyFilterTable_set_column(rowreq_ctx,
                                               requests->requestvb,
                                               tri->colnum);
        if (MFD_SUCCESS != rc) {
            DEBUGMSGTL(("snmpNotifyFilterTable:mfd", "error %d from "
                        "snmpNotifyFilterTable_set_column\n", rc));
            netsnmp_set_request_error(agtreq_info, requests,
                                      SNMP_VALIDATE_ERR(rc));
        }
    }                           /* for results */

    return SNMP_ERR_NOERROR;
}                               /* _mfd_snmpNotifyFilterTable_set_values */

/*----------------------------------------------------------------------
 *
 * SET: commit
 *
 *---------------------------------------------------------------------*/
/**
 * @internal
 * commit the values
 */
int
_mfd_snmpNotifyFilterTable_commit(netsnmp_mib_handler *handler,
                                  netsnmp_handler_registration *reginfo,
                                  netsnmp_agent_request_info *agtreq_info,
                                  netsnmp_request_info *requests)
{
    int             rc;
    snmpNotifyFilterTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_mfd_snmpNotifyFilterTable_commit", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    rc = snmpNotifyFilterTable_commit(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        DEBUGMSGTL(("snmpNotifyFilterTable:mfd", "error %d from "
                    "snmpNotifyFilterTable_commit\n", rc));
        netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
    }

    if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
        /*
         * if we successfully commited this row, set the dirty flag. Use the
         * current value + 1 (i.e. dirty = # rows changed).
         * this is checked in post_request...
         */
        snmpNotifyFilterTable_dirty_set(snmpNotifyFilterTable_dirty_get() + 1); /* set table dirty flag */
    }

    return SNMP_ERR_NOERROR;
}

int
_mfd_snmpNotifyFilterTable_undo_commit(netsnmp_mib_handler *handler, netsnmp_handler_registration
                                       *reginfo, netsnmp_agent_request_info
                                       *agtreq_info,
                                       netsnmp_request_info *requests)
{
    int             rc;
    snmpNotifyFilterTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_mfd_snmpNotifyFilterTable_undo_commit", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
        u_int           d = snmpNotifyFilterTable_dirty_get();

        netsnmp_assert(d != 0);
        if (d)
            snmpNotifyFilterTable_dirty_set(d - 1);
    }

    rc = snmpNotifyFilterTable_undo_commit(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        /*
         * nothing we can do about it but log it
         */
        DEBUGMSGTL(("snmpNotifyFilterTable:mfd", "error %d from "
                    "snmpNotifyFilterTable_undo_commit\n", rc));
    }

    if (rowreq_ctx->rowreq_flags & MFD_ROW_DIRTY) {
        snmp_log(LOG_WARNING,
                 "snmpNotifyFilterTable row dirty flag still set after undo_commit\n");
        rowreq_ctx->rowreq_flags &= ~MFD_ROW_DIRTY;
    }

    return SNMP_ERR_NOERROR;
}                               /* _mfd_snmpNotifyFilterTable_commit */

/*----------------------------------------------------------------------
 *
 * SET: Undo
 *
 *---------------------------------------------------------------------*/
/**
 * @internal
 * undo the value for a particular column
 */
NETSNMP_STATIC_INLINE int
_snmpNotifyFilterTable_undo_column(snmpNotifyFilterTable_rowreq_ctx *
                                   rowreq_ctx, netsnmp_variable_list * var,
                                   int column)
{
    int             rc = SNMPERR_SUCCESS;

    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_snmpNotifyFilterTable_undo_column", "called for %d\n", column));

    netsnmp_assert(NULL != rowreq_ctx);

    switch (column) {

        /*
         * snmpNotifyFilterMask(2)/OCTETSTR/ASN_OCTET_STR/char(char)//L/A/W/e/R/D/h 
         */
    case COLUMN_SNMPNOTIFYFILTERMASK:
        rc = snmpNotifyFilterMask_undo(rowreq_ctx);
        break;

        /*
         * snmpNotifyFilterType(3)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/D/h 
         */
    case COLUMN_SNMPNOTIFYFILTERTYPE:
        rc = snmpNotifyFilterType_undo(rowreq_ctx);
        break;

        /*
         * snmpNotifyFilterStorageType(4)/StorageType/ASN_INTEGER/long(u_long)//l/A/W/E/r/D/h 
         */
    case COLUMN_SNMPNOTIFYFILTERSTORAGETYPE:
        rc = snmpNotifyFilterStorageType_undo(rowreq_ctx);
        break;

        /*
         * snmpNotifyFilterRowStatus(5)/RowStatus/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h 
         */
    case COLUMN_SNMPNOTIFYFILTERROWSTATUS:
        rc = snmpNotifyFilterRowStatus_undo(rowreq_ctx);
        break;

    default:
        snmp_log(LOG_ERR,
                 "unknown column %d in _snmpNotifyFilterTable_undo_column\n",
                 column);
        break;
    }

    return rc;
}                               /* _snmpNotifyFilterTable_undo_column */

int
_mfd_snmpNotifyFilterTable_undo_values(netsnmp_mib_handler *handler, netsnmp_handler_registration
                                       *reginfo, netsnmp_agent_request_info
                                       *agtreq_info,
                                       netsnmp_request_info *requests)
{
    int             rc;
    snmpNotifyFilterTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);
    netsnmp_table_request_info *tri;

    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_mfd_snmpNotifyFilterTable_undo_values", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    rc = snmpNotifyFilterTable_undo(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        /*
         * nothing we can do about it but log it
         */
        DEBUGMSGTL(("snmpNotifyFilterTable:mfd", "error %d from "
                    "snmpNotifyFilterTable_undo\n", rc));
    }

    for (; requests; requests = requests->next) {
        /*
         * set column data
         */
        tri = netsnmp_extract_table_info(requests);
        if (NULL == tri)
            continue;

        rc = _snmpNotifyFilterTable_undo_column(rowreq_ctx,
                                                requests->requestvb,
                                                tri->colnum);
        if (MFD_SUCCESS != rc) {
            /*
             * nothing we can do about it but log it
             */
            DEBUGMSGTL(("snmpNotifyFilterTable:mfd", "error %d from "
                        "snmpNotifyFilterTable_undo_column\n", rc));
        }
    }                           /* for results */

    return SNMP_ERR_NOERROR;
}                               /* _mfd_snmpNotifyFilterTable_undo_values */

/*----------------------------------------------------------------------
 *
 * SET: irreversible commit
 *
 *---------------------------------------------------------------------*/
/**
 * @internal
 * commit irreversible actions
 */
int
_mfd_snmpNotifyFilterTable_irreversible_commit(netsnmp_mib_handler
                                               *handler, netsnmp_handler_registration
                                               *reginfo, netsnmp_agent_request_info
                                               *agtreq_info, netsnmp_request_info
                                               *requests)
{
    snmpNotifyFilterTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_mfd_snmpNotifyFilterTable_irreversible:commit", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * check for and handle row creation/deletion
     * and update column exist flags...
     */
    if (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED) {
        if (!(rowreq_ctx->rowreq_flags & MFD_ROW_CREATED))
            CONTAINER_REMOVE(snmpNotifyFilterTable_if_ctx.container,
                             rowreq_ctx);
    } else {
        if (rowreq_ctx->column_set_flags) {
            rowreq_ctx->column_set_flags = 0;
        }
        if (rowreq_ctx->rowreq_flags & MFD_ROW_CREATED) {
            rowreq_ctx->rowreq_flags &= ~MFD_ROW_CREATED;
            CONTAINER_INSERT(snmpNotifyFilterTable_if_ctx.container,
                             rowreq_ctx);
        }
    }

    return SNMP_ERR_NOERROR;
}                               /* _mfd_snmpNotifyFilterTable_irreversible_commit */

/***********************************************************************
 *
 * DATA ACCESS
 *
 ***********************************************************************/
/**
 * @internal
 */
static void
_container_item_free(snmpNotifyFilterTable_rowreq_ctx * rowreq_ctx,
                     void *context)
{
    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_container_item_free",
                "called\n"));

    if (NULL == rowreq_ctx)
        return;

    snmpNotifyFilterTable_release_rowreq_ctx(rowreq_ctx);
}                               /* _container_item_free */

/**
 * @internal
 */
static void
_container_free(netsnmp_container *container)
{
    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_container_free",
                "called\n"));

    if (NULL == container) {
        snmp_log(LOG_ERR,
                 "invalid container in snmpNotifyFilterTable_container_free\n");
        return;
    }

    /*
     * call user code
     */
    snmpNotifyFilterTable_container_free(container);

    /*
     * free all items. inefficient, but easy.
     */
    CONTAINER_CLEAR(container,
                    (netsnmp_container_obj_func *) _container_item_free,
                    NULL);
}                               /* _container_free */

/**
 * @internal
 * initialize the container with functions or wrappers
 */
void
_snmpNotifyFilterTable_container_init(snmpNotifyFilterTable_interface_ctx *
                                      if_ctx)
{
    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_snmpNotifyFilterTable_container_init", "called\n"));

    /*
     * container init
     */
    snmpNotifyFilterTable_container_init(&if_ctx->container);
    if (NULL == if_ctx->container)
        if_ctx->container =
            netsnmp_container_find
            ("snmpNotifyFilterTable:table_container");
    if (NULL == if_ctx->container) {
        snmp_log(LOG_ERR, "error creating container in "
                 "snmpNotifyFilterTable_container_init\n");
        return;
    }

}                               /* _snmpNotifyFilterTable_container_init */

/**
 * @internal
 * shutdown the container with functions or wrappers
 */
void
 
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    _snmpNotifyFilterTable_container_shutdown
    (snmpNotifyFilterTable_interface_ctx * if_ctx) {
    DEBUGMSGTL(("internal:snmpNotifyFilterTable:_snmpNotifyFilterTable_container_shutdown", "called\n"));

    snmpNotifyFilterTable_container_shutdown(if_ctx->container);

    _container_free(if_ctx->container);

}                               /* _snmpNotifyFilterTable_container_shutdown */

/***********************************************************************
 *
 * PERSISTENCE
 *
 ***********************************************************************/

static int      _snmpNotifyFilterTable_container_save_rows(int majorID,