inetnettomediatable.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: inetNetToMediaTable.c 14169 2006-01-25 16:28:12Z dts12 $
 */
/** \page MFD helper for inetNetToMediaTable
 *
 * \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 "inetNetToMediaTable.h"

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

#include "inetNetToMediaTable_interface.h"

oid             inetNetToMediaTable_oid[] = { INETNETTOMEDIATABLE_OID };
int             inetNetToMediaTable_oid_size =
OID_LENGTH(inetNetToMediaTable_oid);

inetNetToMediaTable_registration inetNetToMediaTable_user_context;

void            initialize_table_inetNetToMediaTable(void);
void            shutdown_table_inetNetToMediaTable(void);


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

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

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

}                               /* init_inetNetToMediaTable */

/**
 * Shut-down the inetNetToMediaTable module (agent is exiting)
 */
void
shutdown_inetNetToMediaTable(void)
{
    if (should_init("inetNetToMediaTable"))
        shutdown_table_inetNetToMediaTable();

}

/**
 * Initialize the table inetNetToMediaTable 
 *    (Define its contents and how it's structured)
 */
void
initialize_table_inetNetToMediaTable(void)
{
    inetNetToMediaTable_registration *user_context;
    u_long          flags;

    DEBUGMSGTL(("verbose:inetNetToMediaTable:initialize_table_inetNetToMediaTable", "called\n"));

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

    /*
     * TODO:302:o: |->Initialize inetNetToMediaTable 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("inetNetToMediaTable", NULL, NULL);

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

    /*
     * call interface initialization code
     */
    _inetNetToMediaTable_initialize_interface(user_context, flags);
}                               /* initialize_table_inetNetToMediaTable */

/**
 * Shutdown the table inetNetToMediaTable 
 */
void
shutdown_table_inetNetToMediaTable(void)
{
    /*
     * call interface shutdown code
     */
    _inetNetToMediaTable_shutdown_interface
        (&inetNetToMediaTable_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
inetNetToMediaTable_rowreq_ctx_init(inetNetToMediaTable_rowreq_ctx *
                                    rowreq_ctx, void *user_init_ctx)
{
    DEBUGMSGTL(("verbose:inetNetToMediaTable:inetNetToMediaTable_rowreq_ctx_init", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:210:o: |-> Perform extra inetNetToMediaTable rowreq initialization. (eg DEFVALS)
     */

    return MFD_SUCCESS;
}                               /* inetNetToMediaTable_rowreq_ctx_init */

/**
 * extra context cleanup
 *
 */
void
inetNetToMediaTable_rowreq_ctx_cleanup(inetNetToMediaTable_rowreq_ctx *
                                       rowreq_ctx)
{
    DEBUGMSGTL(("verbose:inetNetToMediaTable:inetNetToMediaTable_rowreq_ctx_cleanup", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:211:o: |-> Perform extra inetNetToMediaTable rowreq cleanup.
     */
}                               /* inetNetToMediaTable_rowreq_ctx_cleanup */

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

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

    return MFD_SUCCESS;
}                               /* inetNetToMediaTable_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
inetNetToMediaTable_post_request(inetNetToMediaTable_registration *
                                 user_context, int rc)
{
    DEBUGMSGTL(("verbose:inetNetToMediaTable:inetNetToMediaTable_post_request", "called\n"));

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

    /*
     * check to set if any rows were changed.
     */
    if (inetNetToMediaTable_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
             */
        }

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

    return MFD_SUCCESS;
}                               /* inetNetToMediaTable_post_request */


/**********************************************************************
 **********************************************************************
 ***
 *** Table inetNetToMediaTable
 ***
 **********************************************************************
 **********************************************************************/
/*
 * IP-MIB::inetNetToMediaTable is subid 35 of ip.
 * Its status is Current.
 * OID: .1.3.6.1.2.1.4.35, length: 8
 */

/*
 * ---------------------------------------------------------------------
 * * TODO:200:r: Implement inetNetToMediaTable data context functions.
 */
/*
 * inetNetToMediaTable_allocate_data
 *
 * Purpose: create new inetNetToMediaTable_data.
 */
inetNetToMediaTable_data *
inetNetToMediaTable_allocate_data(void)
{
    /*
     * TODO:201:r: |-> allocate memory for the inetNetToMediaTable data context.
     */
    /** this might not be right for netsnmp_inetmedia_entry */
    inetNetToMediaTable_data *rtn = netsnmp_access_arp_entry_create();

    DEBUGMSGTL(("verbose:inetNetToMediaTable:inetNetToMediaTable_allocate_data", "called\n"));

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

    return rtn;
}                               /* inetNetToMediaTable_allocate_data */

/*
 * inetNetToMediaTable_release_data
 *
 * Purpose: release inetNetToMediaTable data.
 */
void
inetNetToMediaTable_release_data(inetNetToMediaTable_data * data)
{
    DEBUGMSGTL(("verbose:inetNetToMediaTable:inetNetToMediaTable_release_data", "called\n"));

    /*
     * TODO:202:r: |-> release memory for the inetNetToMediaTable data context.
     */
    netsnmp_access_arp_entry_free(data);
}                               /* inetNetToMediaTable_release_data */



/**
 * set mib index(es)
 *
 * @param tbl_idx mib index structure
 * @param inetNetToMediaIfIndex_val
 * @param inetNetToMediaNetAddressType_val
 * @param inetNetToMediaNetAddress_val_ptr
 * @param inetNetToMediaNetAddress_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
inetNetToMediaTable_indexes_set_tbl_idx(inetNetToMediaTable_mib_index *
                                        tbl_idx,
                                        long inetNetToMediaIfIndex_val,
                                        u_long
                                        inetNetToMediaNetAddressType_val,
                                        char
                                        *inetNetToMediaNetAddress_val_ptr,
                                        size_t
                                        inetNetToMediaNetAddress_val_ptr_len)
{
    DEBUGMSGTL(("verbose:inetNetToMediaTable:inetNetToMediaTable_indexes_set_tbl_idx", "called\n"));

    /*
     * inetNetToMediaIfIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/a/w/e/R/d/H 
     */
    /** WARNING: this code might not work for netsnmp_arp_entry */
    tbl_idx->inetNetToMediaIfIndex = inetNetToMediaIfIndex_val;

    /*
     * inetNetToMediaNetAddressType(2)/InetAddressType/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h 
     */
    /** WARNING: this code might not work for netsnmp_arp_entry */
    tbl_idx->inetNetToMediaNetAddressType =
        inetNetToMediaNetAddressType_val;

    /*
     * inetNetToMediaNetAddress(3)/InetAddress/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/h 
     */
    tbl_idx->inetNetToMediaNetAddress_len = sizeof(tbl_idx->inetNetToMediaNetAddress) / sizeof(tbl_idx->inetNetToMediaNetAddress[0]);   /* max length */
    /** WARNING: this code might not work for netsnmp_arp_entry */
    /*
     * make sure there is enough space for inetNetToMediaNetAddress data
     */
    if (tbl_idx->inetNetToMediaNetAddress_len <
        inetNetToMediaNetAddress_val_ptr_len) {
        snmp_log(LOG_ERR, "not enough space for value\n");
        return MFD_ERROR;
    }
    tbl_idx->inetNetToMediaNetAddress_len =
        inetNetToMediaNetAddress_val_ptr_len;
    memcpy(tbl_idx->inetNetToMediaNetAddress,
           inetNetToMediaNetAddress_val_ptr,
           inetNetToMediaNetAddress_val_ptr_len *
           sizeof(inetNetToMediaNetAddress_val_ptr[0]));


    return MFD_SUCCESS;
}                               /* inetNetToMediaTable_indexes_set_tbl_idx */

/**
 * @internal
 * set row context indexes
 *
 * @param reqreq_ctx the row context that needs updated indexes
 *
 * @retval MFD_SUCCESS     : success.
 * @retval MFD_ERROR       : other error.
 *