ipsystemstatstable_interface.c

snmp的源代码,已经在我的ubuntu下编译通过

/*
 * Note: this file originally auto-generated by mib2c using
 *       version : 1.43 $ of : mfd-interface.m2c,v $ 
 *
 * $Id: ipSystemStatsTable_interface.c,v 1.4 2004/10/18 03:53:20 rstory Exp $
 */
/*
 * *********************************************************************
 * *********************************************************************
 * *********************************************************************
 * ***                                                               ***
 * ***  NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE  ***
 * ***                                                               ***
 * ***                                                               ***
 * ***       THIS FILE DOES NOT CONTAIN ANY USER EDITABLE CODE.      ***
 * ***                                                               ***
 * ***                                                               ***
 * ***       THE GENERATED CODE IS INTERNAL IMPLEMENTATION, AND      ***
 * ***                                                               ***
 * ***                                                               ***
 * ***    IS SUBJECT TO CHANGE WITHOUT WARNING IN FUTURE RELEASES.   ***
 * ***                                                               ***
 * ***                                                               ***
 * *********************************************************************
 * *********************************************************************
 * *********************************************************************
 */

/*
 * 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 "ipSystemStatsTable.h"


#include <net-snmp/library/container.h>

#include "ipSystemStatsTable_interface.h"

/**********************************************************************
 **********************************************************************
 ***
 *** Table ipSystemStatsTable
 ***
 **********************************************************************
 **********************************************************************/
/*
 * ipSystemStatsTable is subid 1 of ipTrafficStats.
 * Its status is Current.
 * OID: .1.3.6.1.2.1.4.31.1, length: 9
 */
typedef struct ipSystemStatsTable_interface_ctx_s {

    netsnmp_container *container;
    netsnmp_cache  *cache;      /* optional cache */

    ipSystemStatsTable_registration_ptr user_ctx;

    netsnmp_table_registration_info tbl_info;

    netsnmp_baby_steps_access_methods access_multiplexer;

} ipSystemStatsTable_interface_ctx;

static ipSystemStatsTable_interface_ctx ipSystemStatsTable_if_ctx;

static void
                _ipSystemStatsTable_container_init(ipSystemStatsTable_interface_ctx *
                                                   if_ctx);


static Netsnmp_Node_Handler _mfd_ipSystemStatsTable_pre_request;
static Netsnmp_Node_Handler _mfd_ipSystemStatsTable_post_request;
static Netsnmp_Node_Handler _mfd_ipSystemStatsTable_object_lookup;
static Netsnmp_Node_Handler _mfd_ipSystemStatsTable_get_values;
/**
 * @internal
 * Initialize the table ipSystemStatsTable 
 *    (Define its contents and how it's structured)
 */
void
    _ipSystemStatsTable_initialize_interface
    (ipSystemStatsTable_registration_ptr reg_ptr, u_long flags) {
    netsnmp_baby_steps_access_methods *access_multiplexer =
        &ipSystemStatsTable_if_ctx.access_multiplexer;
    netsnmp_table_registration_info *tbl_info =
        &ipSystemStatsTable_if_ctx.tbl_info;
    netsnmp_handler_registration *reginfo;
    netsnmp_mib_handler *handler;
    int             mfd_modes = 0;

    DEBUGMSGTL(("internal:ipSystemStatsTable:_ipSystemStatsTable_initialize_interface", "called\n"));


    /*************************************************
     *
     * save interface context for ipSystemStatsTable
     */
    /*
     * Setting up the table's definition
     */
    netsnmp_table_helper_add_indexes(tbl_info, ASN_INTEGER,
                                               /** index: ipSystemStatsIPVersion */
                                     0);

    /*
     * Define the minimum and maximum accessible columns.  This
     * optimizes retrival. 
     */
    tbl_info->min_column = IPSYSTEMSTATSTABLE_MIN_COL;
    tbl_info->max_column = IPSYSTEMSTATSTABLE_MAX_COL;

    /*
     * save users context
     */
    ipSystemStatsTable_if_ctx.user_ctx = reg_ptr;

    /*
     * call data access initialization code
     */
    ipSystemStatsTable_init_data(reg_ptr);

    /*
     * set up the container
     */
    _ipSystemStatsTable_container_init(&ipSystemStatsTable_if_ctx);
    if (NULL == ipSystemStatsTable_if_ctx.container) {
        snmp_log(LOG_ERR,
                 "could not initialize container for ipSystemStatsTable\n");
        return;
    }

    /*
     * access_multiplexer: REQUIRED wrapper for get request handling
     */
    access_multiplexer->object_lookup =
        _mfd_ipSystemStatsTable_object_lookup;
    access_multiplexer->get_values = _mfd_ipSystemStatsTable_get_values;

    /*
     * no wrappers yet
     */
    access_multiplexer->pre_request = _mfd_ipSystemStatsTable_pre_request;
    access_multiplexer->post_request =
        _mfd_ipSystemStatsTable_post_request;


    /*************************************************
     *
     * Create a registration, save our reg data, register table.
     */
    DEBUGMSGTL(("ipSystemStatsTable:init_ipSystemStatsTable",
                "Registering ipSystemStatsTable as a mibs-for-dummies table.\n"));
    handler =
        netsnmp_baby_steps_access_multiplexer_get(access_multiplexer);
    reginfo =
        netsnmp_handler_registration_create("ipSystemStatsTable", handler,
                                            ipSystemStatsTable_oid,
                                            ipSystemStatsTable_oid_size,
                                            HANDLER_CAN_BABY_STEP |
                                            HANDLER_CAN_RONLY);
    if (NULL == reginfo) {
        snmp_log(LOG_ERR, "error registering table ipSystemStatsTable\n");
        return;
    }
    reginfo->my_reg_void = &ipSystemStatsTable_if_ctx;

    /*************************************************
     *
     * set up baby steps handler, create it and inject it
     */
    if (access_multiplexer->object_lookup)
        mfd_modes |= BABY_STEP_OBJECT_LOOKUP;
    if (access_multiplexer->set_values)
        mfd_modes |= BABY_STEP_SET_VALUES;
    if (access_multiplexer->irreversible_commit)
        mfd_modes |= BABY_STEP_IRREVERSIBLE_COMMIT;
    if (access_multiplexer->object_syntax_checks)
        mfd_modes |= BABY_STEP_CHECK_OBJECT;

    if (access_multiplexer->pre_request)
        mfd_modes |= BABY_STEP_PRE_REQUEST;
    if (access_multiplexer->post_request)
        mfd_modes |= BABY_STEP_POST_REQUEST;

    if (access_multiplexer->undo_setup)
        mfd_modes |= BABY_STEP_UNDO_SETUP;
    if (access_multiplexer->undo_cleanup)
        mfd_modes |= BABY_STEP_UNDO_CLEANUP;
    if (access_multiplexer->undo_sets)
        mfd_modes |= BABY_STEP_UNDO_SETS;

    if (access_multiplexer->row_creation)
        mfd_modes |= BABY_STEP_ROW_CREATE;
    if (access_multiplexer->consistency_checks)
        mfd_modes |= BABY_STEP_CHECK_CONSISTENCY;
    if (access_multiplexer->commit)
        mfd_modes |= BABY_STEP_COMMIT;
    if (access_multiplexer->undo_commit)
        mfd_modes |= BABY_STEP_UNDO_COMMIT;

    handler = netsnmp_baby_steps_handler_get(mfd_modes);
    netsnmp_inject_handler(reginfo, handler);

    /*************************************************
     *
     * inject row_merge helper with prefix rootoid_len + 2 (entry.col)
     */
    handler = netsnmp_get_row_merge_handler(reginfo->rootoid_len + 2);
    netsnmp_inject_handler(reginfo, handler);

    /*************************************************
     *
     * inject container_table helper
     */
    handler =
        netsnmp_container_table_handler_get(tbl_info,
                                            ipSystemStatsTable_if_ctx.
                                            container,
                                            TABLE_CONTAINER_KEY_NETSNMP_INDEX);
    netsnmp_inject_handler(reginfo, handler);

    /*************************************************
     *
     * inject cache helper
     */
    if (NULL != ipSystemStatsTable_if_ctx.cache) {
        handler =
            netsnmp_cache_handler_get(ipSystemStatsTable_if_ctx.cache);
        netsnmp_inject_handler(reginfo, handler);
    }

    /*
     * register table
     */
    netsnmp_register_table(reginfo, tbl_info);
}                               /* _ipSystemStatsTable_initialize_interface */

void
ipSystemStatsTable_valid_columns_set(netsnmp_column_info *vc)
{
    ipSystemStatsTable_if_ctx.tbl_info.valid_columns = vc;
}                               /* ipSystemStatsTable_valid_columns_set */

/**
 * @internal
 * convert the index component stored in the context to an oid
 */
int
ipSystemStatsTable_index_to_oid(netsnmp_index * oid_idx,
                                ipSystemStatsTable_mib_index * mib_idx)
{
    int             err = SNMP_ERR_NOERROR;

    /*
     * temp storage for parsing indexes
     */
    /*
     * ipSystemStatsIPVersion(1)/InetVersion/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h
     */
    netsnmp_variable_list var_ipSystemStatsIPVersion;

    /*
     * set up varbinds
     */
    memset(&var_ipSystemStatsIPVersion, 0x00,
           sizeof(var_ipSystemStatsIPVersion));
    var_ipSystemStatsIPVersion.type = ASN_INTEGER;

    /*
     * chain temp index varbinds together
     */
    var_ipSystemStatsIPVersion.next_variable = NULL;


    DEBUGMSGTL(("verbose:ipSystemStatsTable:ipSystemStatsTable_index_to_oid", "called\n"));

    /*
     * ipSystemStatsIPVersion(1)/InetVersion/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h 
     */
    snmp_set_var_value(&var_ipSystemStatsIPVersion,
                       (u_char *) & mib_idx->ipSystemStatsIPVersion,
                       sizeof(mib_idx->ipSystemStatsIPVersion));


    err = build_oid_noalloc(oid_idx->oids, oid_idx->len, &oid_idx->len,
                            NULL, 0, &var_ipSystemStatsIPVersion);
    if (err)
        snmp_log(LOG_ERR, "error %d converting index to oid\n");

    /*
     * parsing may have allocated memory. free it.
     */
    snmp_reset_var_buffers(&var_ipSystemStatsIPVersion);

    return err;
}                               /* ipSystemStatsTable_index_to_oid */

/**
 * extract ipSystemStatsTable indexes from a netsnmp_index
 *
 * @retval SNMP_ERR_NOERROR  : no error
 * @retval SNMP_ERR_GENERR   : error
 */
int
ipSystemStatsTable_index_from_oid(netsnmp_index * oid_idx,
                                  ipSystemStatsTable_mib_index * mib_idx)
{
    int             err = SNMP_ERR_NOERROR;

    /*
     * temp storage for parsing indexes
     */
    /*
     * ipSystemStatsIPVersion(1)/InetVersion/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h
     */
    netsnmp_variable_list var_ipSystemStatsIPVersion;

    /*
     * set up varbinds
     */
    memset(&var_ipSystemStatsIPVersion, 0x00,
           sizeof(var_ipSystemStatsIPVersion));
    var_ipSystemStatsIPVersion.type = ASN_INTEGER;

    /*
     * chain temp index varbinds together
     */
    var_ipSystemStatsIPVersion.next_variable = NULL;


    DEBUGMSGTL(("verbose:ipSystemStatsTable:ipSystemStatsTable_index_from_oid", "called\n"));

    /*
     * parse the oid into the individual index components
     */
    err = parse_oid_indexes(oid_idx->oids, oid_idx->len,
                            &var_ipSystemStatsIPVersion);
    if (err == SNMP_ERR_NOERROR) {
        /*
         * copy out values
         */
        mib_idx->ipSystemStatsIPVersion =
            *((u_long *) var_ipSystemStatsIPVersion.val.string);


    }

    /*
     * parsing may have allocated memory. free it.
     */
    snmp_reset_var_buffers(&var_ipSystemStatsIPVersion);

    return err;
}                               /* ipSystemStatsTable_index_from_oid */


/*
 *********************************************************************
 * @internal
 * allocate resources for a ipSystemStatsTable_rowreq_ctx
 */
ipSystemStatsTable_rowreq_ctx *
ipSystemStatsTable_allocate_rowreq_ctx(ipSystemStatsTable_data * data)
{
    ipSystemStatsTable_rowreq_ctx *rowreq_ctx =
        SNMP_MALLOC_TYPEDEF(ipSystemStatsTable_rowreq_ctx);

    DEBUGMSGTL(("internal:ipSystemStatsTable:ipSystemStatsTable_allocate_rowreq_ctx", "called\n"));

    if (NULL == rowreq_ctx) {
        snmp_log(LOG_ERR, "Couldn't allocate memory for a "
                 "ipSystemStatsTable_rowreq_ctx.\n");
    } else {
        if (NULL != data) {
            rowreq_ctx->data = data;
        } else if (NULL ==
                   (rowreq_ctx->data =
                    ipSystemStatsTable_allocate_data())) {
            SNMP_FREE(rowreq_ctx);
            return NULL;
        }
    }

    /*
     * undo context will be allocated when needed (in *_undo_setup)
     */

    rowreq_ctx->oid_idx.oids = rowreq_ctx->oid_tmp;

    rowreq_ctx->ipSystemStatsTable_data_list = NULL;
    rowreq_ctx->ipSystemStatsTable_reg =
        ipSystemStatsTable_if_ctx.user_ctx;