tcplistenertable_interface.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 : 1.67 $ of : mfd-interface.m2c,v $ 
 *
 * $Id: tcpListenerTable_interface.c 15015 2006-08-17 15:06:43Z rstory $
 */
/*
 * *********************************************************************
 * *********************************************************************
 * *********************************************************************
 * ***                                                               ***
 * ***  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 "tcpListenerTable.h"


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

#include "tcpListenerTable_interface.h"

#include <ctype.h>

/**********************************************************************
 **********************************************************************
 ***
 *** Table tcpListenerTable
 ***
 **********************************************************************
 **********************************************************************/
/*
 * TCP-MIB::tcpListenerTable is subid 20 of tcp.
 * Its status is Current.
 * OID: .1.3.6.1.2.1.6.20, length: 8
 */
typedef struct tcpListenerTable_interface_ctx_s {

    netsnmp_container *container;
    netsnmp_cache  *cache;

    tcpListenerTable_registration *user_ctx;

    netsnmp_table_registration_info tbl_info;

    netsnmp_baby_steps_access_methods access_multiplexer;

} tcpListenerTable_interface_ctx;

static tcpListenerTable_interface_ctx tcpListenerTable_if_ctx;

static void
                _tcpListenerTable_container_init(tcpListenerTable_interface_ctx * if_ctx);
static void
                _tcpListenerTable_container_shutdown(tcpListenerTable_interface_ctx *
                                                     if_ctx);


netsnmp_container *
tcpListenerTable_container_get(void)
{
    return tcpListenerTable_if_ctx.container;
}

tcpListenerTable_registration *
tcpListenerTable_registration_get(void)
{
    return tcpListenerTable_if_ctx.user_ctx;
}

tcpListenerTable_registration *
tcpListenerTable_registration_set(tcpListenerTable_registration * newreg)
{
    tcpListenerTable_registration *old = tcpListenerTable_if_ctx.user_ctx;
    tcpListenerTable_if_ctx.user_ctx = newreg;
    return old;
}

int
tcpListenerTable_container_size(void)
{
    return CONTAINER_SIZE(tcpListenerTable_if_ctx.container);
}

/*
 * mfd multiplexer modes
 */
static Netsnmp_Node_Handler _mfd_tcpListenerTable_pre_request;
static Netsnmp_Node_Handler _mfd_tcpListenerTable_post_request;
static Netsnmp_Node_Handler _mfd_tcpListenerTable_object_lookup;
static Netsnmp_Node_Handler _mfd_tcpListenerTable_get_values;
/**
 * @internal
 * Initialize the table tcpListenerTable 
 *    (Define its contents and how it's structured)
 */
void
_tcpListenerTable_initialize_interface(tcpListenerTable_registration *
                                       reg_ptr, u_long flags)
{
    netsnmp_baby_steps_access_methods *access_multiplexer =
        &tcpListenerTable_if_ctx.access_multiplexer;
    netsnmp_table_registration_info *tbl_info =
        &tcpListenerTable_if_ctx.tbl_info;
    netsnmp_handler_registration *reginfo;
    netsnmp_mib_handler *handler;
    int             mfd_modes = 0;

    DEBUGMSGTL(("internal:tcpListenerTable:_tcpListenerTable_initialize_interface", "called\n"));


    /*************************************************
     *
     * save interface context for tcpListenerTable
     */
    /*
     * Setting up the table's definition
     */
    netsnmp_table_helper_add_indexes(tbl_info, ASN_INTEGER,
                                               /** index: tcpListenerLocalAddressType */
                                     ASN_OCTET_STR,
                                                 /** index: tcpListenerLocalAddress */
                                     ASN_UNSIGNED,
                                                /** index: tcpListenerLocalPort */
                                     0);

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

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

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

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

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

    /*
     * no wrappers yet
     */
    access_multiplexer->pre_request = _mfd_tcpListenerTable_pre_request;
    access_multiplexer->post_request = _mfd_tcpListenerTable_post_request;


    /*************************************************
     *
     * Create a registration, save our reg data, register table.
     */
    DEBUGMSGTL(("tcpListenerTable:init_tcpListenerTable",
                "Registering tcpListenerTable as a mibs-for-dummies table.\n"));
    handler =
        netsnmp_baby_steps_access_multiplexer_get(access_multiplexer);
    reginfo =
        netsnmp_handler_registration_create("tcpListenerTable", handler,
                                            tcpListenerTable_oid,
                                            tcpListenerTable_oid_size,
                                            HANDLER_CAN_BABY_STEP |
                                            HANDLER_CAN_RONLY);
    if (NULL == reginfo) {
        snmp_log(LOG_ERR, "error registering table tcpListenerTable\n");
        return;
    }
    reginfo->my_reg_void = &tcpListenerTable_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,
                                            tcpListenerTable_if_ctx.
                                            container,
                                            TABLE_CONTAINER_KEY_NETSNMP_INDEX);
    netsnmp_inject_handler(reginfo, handler);

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

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

}                               /* _tcpListenerTable_initialize_interface */

/**
 * @internal
 * Shutdown the table tcpListenerTable
 */
void
_tcpListenerTable_shutdown_interface(tcpListenerTable_registration *
                                     reg_ptr)
{
    /*
     * shutdown the container
     */
    _tcpListenerTable_container_shutdown(&tcpListenerTable_if_ctx);
}

void
tcpListenerTable_valid_columns_set(netsnmp_column_info *vc)
{
    tcpListenerTable_if_ctx.tbl_info.valid_columns = vc;
}                               /* tcpListenerTable_valid_columns_set */

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

    /*
     * temp storage for parsing indexes
     */
    /*
     * tcpListenerLocalAddressType(1)/InetAddressType/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h
     */
    netsnmp_variable_list var_tcpListenerLocalAddressType;
    /*
     * tcpListenerLocalAddress(2)/InetAddress/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/h
     */
    netsnmp_variable_list var_tcpListenerLocalAddress;
    /*
     * tcpListenerLocalPort(3)/InetPortNumber/ASN_UNSIGNED/u_long(u_long)//l/a/w/e/R/d/H
     */
    netsnmp_variable_list var_tcpListenerLocalPort;