inetcidrroutetable.c

开发snmp的开发包有两个开放的SNMP开发库

/*
 * Note: this file originally auto-generated by mib2c using
 *       version : 1.48 $ of : mfd-top.m2c,v $ 
 *
 * $Id: inetCidrRouteTable.c 15639 2006-12-06 15:01:27Z rstory $
 */
/** \page MFD helper for inetCidrRouteTable
 *
 * \section intro Introduction
 * Introductory text.
 *
 */
/*
 * standard Net-SNMP includes 
 */
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>

/*
 * include our parent header 
 */
#include "inetCidrRouteTable.h"

#include <net-snmp/agent/mib_modules.h>

#include "inetCidrRouteTable_interface.h"

oid             inetCidrRouteTable_oid[] = { INETCIDRROUTETABLE_OID };
int             inetCidrRouteTable_oid_size =
OID_LENGTH(inetCidrRouteTable_oid);

inetCidrRouteTable_registration inetCidrRouteTable_user_context;

void            initialize_table_inetCidrRouteTable(void);
void            shutdown_table_inetCidrRouteTable(void);

int
_route_number_handler(netsnmp_mib_handler *handler,
                      netsnmp_handler_registration *reginfo,
                      netsnmp_agent_request_info *reqinfo,
                      netsnmp_request_info *requests);


/**
 * Initializes the inetCidrRouteTable module
 */
void
init_inetCidrRouteTable(void)
{
    DEBUGMSGTL(("verbose:inetCidrRouteTable:init_inetCidrRouteTable",
                "called\n"));

    /*
     * TODO:300:o: Perform inetCidrRouteTable one-time module initialization.
     */

    /*
     * here we initialize all the tables we're planning on supporting
     */
    if (should_init("inetCidrRouteTable"))
        initialize_table_inetCidrRouteTable();

}                               /* init_inetCidrRouteTable */

/**
 * Shut-down the inetCidrRouteTable module (agent is exiting)
 */
void
shutdown_inetCidrRouteTable(void)
{
    if (should_init("inetCidrRouteTable"))
        shutdown_table_inetCidrRouteTable();

}

/**
 * Initialize the table inetCidrRouteTable 
 *    (Define its contents and how it's structured)
 */
void
initialize_table_inetCidrRouteTable(void)
{
    inetCidrRouteTable_registration *user_context;
    u_long          flags;

    DEBUGMSGTL(("verbose:inetCidrRouteTable:initialize_table_inetCidrRouteTable", "called\n"));

    /*
     * TODO:301:o: Perform inetCidrRouteTable one-time table initialization.
     */

    /*
     * TODO:302:o: |->Initialize inetCidrRouteTable user context
     * if you'd like to pass in a pointer to some data for this
     * table, allocate or set it up here.
     */
    /*
     * a netsnmp_data_list is a simple way to store void pointers. A simple
     * string token is used to add, find or remove pointers.
     */
    user_context =
        netsnmp_create_data_list("inetCidrRouteTable", NULL, NULL);

    /*
     * No support for any flags yet, but in the future you would
     * set any flags here.
     */
    flags = 0;

    /*
     * call interface initialization code
     */
    _inetCidrRouteTable_initialize_interface(user_context, flags);

    /*
     * regester scalar for route number
     */
    {
        oid             reg_oid[] =
            { INETCIDRROUTENUMBER_OID };
        netsnmp_handler_registration *myreg;
        netsnmp_mib_handler *handler;

        myreg =
            netsnmp_create_handler_registration("route number",
                                                _route_number_handler,
                                                reg_oid,
                                                OID_LENGTH(reg_oid),
                                                HANDLER_CAN_RONLY);
        /*
         * snarf cache to use w/cache handler to make sure the
         * container is loaded w/up to date data.
         */
        netsnmp_assert(NULL != inetCidrRouteTable_get_cache());
        handler =
            netsnmp_cache_handler_get(inetCidrRouteTable_get_cache());
        netsnmp_inject_handler(myreg, handler);
        
        netsnmp_register_instance(myreg);
    }
}                               /* initialize_table_inetCidrRouteTable */

/**
 * Shutdown the table inetCidrRouteTable 
 */
void
shutdown_table_inetCidrRouteTable(void)
{
    /*
     * call interface shutdown code
     */
    _inetCidrRouteTable_shutdown_interface
        (&inetCidrRouteTable_user_context);
}

/**
 * extra context initialization (eg default values)
 *
 * @param rowreq_ctx    : row request context
 * @param user_init_ctx : void pointer for user (parameter to rowreq_ctx_allocate)
 *
 * @retval MFD_SUCCESS  : no errors
 * @retval MFD_ERROR    : error (context allocate will fail)
 */
int
inetCidrRouteTable_rowreq_ctx_init(inetCidrRouteTable_rowreq_ctx *
                                   rowreq_ctx, void *user_init_ctx)
{
    DEBUGMSGTL(("verbose:inetCidrRouteTable:inetCidrRouteTable_rowreq_ctx_init", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:210:o: |-> Perform extra inetCidrRouteTable rowreq initialization. (eg DEFVALS)
     */
    rowreq_ctx->data->rt_nexthop_type = 0;

    rowreq_ctx->data->rt_metric1 = -1;

    rowreq_ctx->data->rt_metric2 = -1;

    rowreq_ctx->data->rt_metric3 = -1;

    rowreq_ctx->data->rt_metric4 = -1;

    rowreq_ctx->data->rt_metric5 = -1;


    return MFD_SUCCESS;
}                               /* inetCidrRouteTable_rowreq_ctx_init */

/**
 * extra context cleanup
 *
 */
void
inetCidrRouteTable_rowreq_ctx_cleanup(inetCidrRouteTable_rowreq_ctx *
                                      rowreq_ctx)
{
    DEBUGMSGTL(("verbose:inetCidrRouteTable:inetCidrRouteTable_rowreq_ctx_cleanup", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:211:o: |-> Perform extra inetCidrRouteTable rowreq cleanup.
     */
    if (NULL != rowreq_ctx->data) {
        inetCidrRouteTable_release_data(rowreq_ctx->data);
        rowreq_ctx->data = NULL;
    }
}                               /* inetCidrRouteTable_rowreq_ctx_cleanup */

/**
 * pre-request callback
 *
 *
 * @retval MFD_SUCCESS              : success.
 * @retval MFD_ERROR                : other error
 */
int
inetCidrRouteTable_pre_request(inetCidrRouteTable_registration *
                               user_context)
{
    DEBUGMSGTL(("verbose:inetCidrRouteTable:inetCidrRouteTable_pre_request", "called\n"));

    /*
     * TODO:510:o: Perform inetCidrRouteTable pre-request actions.
     */

    return MFD_SUCCESS;
}                               /* inetCidrRouteTable_pre_request */

/**
 * post-request callback
 *
 * Note:
 *   New rows have been inserted into the container, and
 *   deleted rows have been removed from the container and
 *   released.
 *
 * @param user_context 
 * @param rc : MFD_SUCCESS if all requests succeeded
 *
 * @retval MFD_SUCCESS : success.
 * @retval MFD_ERROR   : other error (ignored)
 */
int
inetCidrRouteTable_post_request(inetCidrRouteTable_registration *
                                user_context, int rc)
{
    DEBUGMSGTL(("verbose:inetCidrRouteTable:inetCidrRouteTable_post_request", "called\n"));

    /*
     * TODO:511:o: Perform inetCidrRouteTable post-request actions.
     */

    /*
     * check to set if any rows were changed.
     */
    if (inetCidrRouteTable_dirty_get()) {
        /*
         * check if request was successful. If so, this would be
         * a good place to save data to its persistent store.
         */
        if (MFD_SUCCESS == rc) {
            /*
             * save changed rows, if you haven't already
             */
        }

        inetCidrRouteTable_dirty_set(0);        /* clear table dirty flag */
    }

    return MFD_SUCCESS;
}                               /* inetCidrRouteTable_post_request */


/**********************************************************************
 **********************************************************************
 ***
 *** Table inetCidrRouteTable
 ***
 **********************************************************************
 **********************************************************************/
/*
 * IP-FORWARD-MIB::inetCidrRouteTable is subid 7 of ipForward.
 * Its status is Current.
 * OID: .1.3.6.1.2.1.4.24.7, length: 9
 */

/*
 * ---------------------------------------------------------------------
 * * TODO:200:r: Implement inetCidrRouteTable data context functions.
 */
/*
 * inetCidrRouteTable_allocate_data
 *
 * Purpose: create new inetCidrRouteTable_data->
 */
inetCidrRouteTable_data *
inetCidrRouteTable_allocate_data(void)
{
    /*
     * TODO:201:r: |-> allocate memory for the inetCidrRouteTable data context.
     */
    inetCidrRouteTable_data *rtn = netsnmp_access_route_entry_create();

    DEBUGMSGTL(("verbose:inetCidrRouteTable:inetCidrRouteTable_allocate_data", "called\n"));

    if (NULL == rtn) {
        snmp_log(LOG_ERR, "unable to malloc memory for new "
                 "inetCidrRouteTable_data->\n");
    }

    return rtn;
}                               /* inetCidrRouteTable_allocate_data */

/*
 * inetCidrRouteTable_release_data
 *
 * Purpose: release inetCidrRouteTable data->
 */
void
inetCidrRouteTable_release_data(inetCidrRouteTable_data * data)
{
    DEBUGMSGTL(("verbose:inetCidrRouteTable:inetCidrRouteTable_release_data", "called\n"));

    /*
     * TODO:202:r: |-> release memory for the inetCidrRouteTable data context.
     */
    netsnmp_access_route_entry_free(data);
}                               /* inetCidrRouteTable_release_data */



/**
 * set mib index(es)
 *
 * @param tbl_idx mib index structure
 * @param inetCidrRouteDestType_val
 * @param inetCidrRouteDest_val_ptr
 * @param inetCidrRouteDest_val_ptr_len
 * @param inetCidrRoutePfxLen_val
 * @param inetCidrRoutePolicy_val_ptr
 * @param inetCidrRoutePolicy_val_ptr_len
 * @param inetCidrRouteNextHopType_val
 * @param inetCidrRouteNextHop_val_ptr
 * @param inetCidrRouteNextHop_val_ptr_len
 * @retval MFD_SUCCESS     : success.
 * @retval MFD_ERROR       : other error.
 *
 * @remark
 *  This convenience function is useful for setting all the MIB index
 *  components with a single function call. It is assume that the C values
 *  have already been mapped from their native/rawformat to the MIB format.
 */
int
inetCidrRouteTable_indexes_set_tbl_idx(inetCidrRouteTable_mib_index *
                                       tbl_idx,
                                       u_long inetCidrRouteDestType_val,
                                       char *inetCidrRouteDest_val_ptr,
                                       size_t
                                       inetCidrRouteDest_val_ptr_len,
                                       u_long inetCidrRoutePfxLen_val,
                                       oid * inetCidrRoutePolicy_val_ptr,
                                       size_t
                                       inetCidrRoutePolicy_val_ptr_len,
                                       u_long inetCidrRouteNextHopType_val,
                                       char *inetCidrRouteNextHop_val_ptr,