expexpressiontable.c

snmp的源代码,已经在我的ubuntu下编译通过

/*
 *Copyright(c)2004,Cisco URP imburses and Network Information Center in Beijing University of Posts and Telecommunications researches.
 *
 *All right reserved
 *
 *File Name: expExpressionTable.c
 *File Description: expExpressionTable MIB operation.
 *
 *Current Version:1.0
 *Author:JianShun Tong
 *Date:2004.8.20
 */

/*
 * This file was generated by mib2c and is intended for use as
 * a mib module for the ucd-snmp snmpd agent. 
 */


/*
 * This should always be included first before anything else 
 */
#include <net-snmp/net-snmp-config.h>
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif


/*
 * minimal include directives 
 */
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "header_complex.h"
#include "expErrorTable.h"
#include "expExpressionTable.h"
#include "expObjectTable.h"
#include "expValueTable.h"


/*
 * expExpressionTable_variables_oid:
 *   this is the top level oid that we want to register under.  This
 *   is essentially a prefix, with the suffix appearing in the
 *   variable below.
 */

oid             expExpressionTable_variables_oid[] =
    { 1, 3, 6, 1, 2, 1, 90, 1, 2, 1 };

/*
 * variable2 expExpressionTable_variables:
 */

struct variable2 expExpressionTable_variables[] = {
    /*
     * magic number        , variable type , ro/rw , callback fn  , L, oidsuffix 
     */
#define	EXPEXPRESSION  3
    {EXPEXPRESSION,          ASN_OCTET_STR, RWRITE, var_expExpressionTable, 2, {1, 3}},
#define	EXPEXPRESSIONVALUETYPE 4
    {EXPEXPRESSIONVALUETYPE, ASN_INTEGER,   RWRITE, var_expExpressionTable, 2, {1, 4}},
#define	EXPEXPRESSIONCOMMENT 5
    {EXPEXPRESSIONCOMMENT,   ASN_OCTET_STR, RWRITE, var_expExpressionTable, 2, {1, 5}},
#define	EXPEXPRESSIONDELTALNTERVAL 6
    {EXPEXPRESSIONDELTALNTERVAL, ASN_INTEGER, RWRITE, var_expExpressionTable, 2, {1, 6}},
#define	EXPEXPRESSIONPREFIX 7
    {EXPEXPRESSIONPREFIX,    ASN_OBJECT_ID, RONLY,  var_expExpressionTable, 2, {1, 7}},
#define	EXPEXPRESSIONERRORS 8
    {EXPEXPRESSIONERRORS,    ASN_UNSIGNED,  RONLY,  var_expExpressionTable, 2, {1, 8}},
#define	EXPEXPRESSIONENTRYSTATUS  9
    {EXPEXPRESSIONENTRYSTATUS, ASN_INTEGER, RWRITE, var_expExpressionTable, 2, {1, 9}}
};

/*
 * global storage of our data, saved in and configured by header_complex() 
 */

struct header_complex_index *expExpressionTableStorage = NULL;
extern struct header_complex_index *expObjectTableStorage;
extern struct header_complex_index *expValueTableStorage;

oid             mmTimeInstance[] = { 1, 3, 6, 1, 2, 1, 1, 3, 0 };

/*
 * init_expExpressionTable():
 *   Initialization routine.  This is called when the agent starts up.
 *   At a minimum, registration of your variables should take place here.
 */
void
init_expExpressionTable(void)
{


    /*
     * register ourselves with the agent to handle our mib tree 
     */
    REGISTER_MIB("expExpressionTable", expExpressionTable_variables,
                 variable2, expExpressionTable_variables_oid);

    /*
     * register our config handler(s) to deal with registrations 
     */
    snmpd_register_config_handler("expExpressionTable",
                                  parse_expExpressionTable, NULL, NULL);


    snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_STORE_DATA,
                           store_expExpressionTable, NULL);


    DEBUGMSGTL(("expExpressionTable", "done.\n"));
}

struct expExpressionTable_data *
create_expExpressionTable_data(void)
{
    struct expExpressionTable_data *StorageNew;
    StorageNew = SNMP_MALLOC_STRUCT(expExpressionTable_data);
    /*
     * fill in default row values here into StorageNew 
     */
    /*
     * fill in values for all tables (even if not
     * appropriate), since its easier to do here than anywhere
     * else 
     */

    StorageNew->expExpression = strdup("");
    StorageNew->expExpressionValueType = EXPEXPRESSION_COUNTER32;
    StorageNew->expExpressionComment = strdup("");
    StorageNew->expExpressionDeltaInterval = 0;
    StorageNew->expExpressionPrefix = calloc(1, sizeof(oid) * 2);       /* 0.0 */
    StorageNew->expExpressionPrefixLen = 2;
    StorageNew->hc_ObjectTableStorage = NULL;
    StorageNew->hc_ValueTableStorage = NULL;
    StorageNew->storageType = ST_NONVOLATILE;
    return StorageNew;
}

int
expExpressionTable_add(struct expExpressionTable_data *thedata)
{
    netsnmp_variable_list *vars = NULL;


    DEBUGMSGTL(("expExpressionTable", "adding data...  "));
    /*
     * add the index variables to the varbind list, which is 
     * used by header_complex to index the data 
     */
    snmp_varlist_add_variable(&vars, NULL, 0, ASN_OCTET_STR, (char *) thedata->expExpressionOwner, thedata->expExpressionOwnerLen);     /* expExpressionOwner */
    snmp_varlist_add_variable(&vars, NULL, 0, ASN_OCTET_STR, (char *) thedata->expExpressionName, thedata->expExpressionNameLen);       /* expExpressionName */

    header_complex_add_data(&expExpressionTableStorage, vars, thedata);
    DEBUGMSGTL(("expExpressionTable", "registered an entry\n"));


    DEBUGMSGTL(("expExpressionTable", "done.\n"));
    return SNMPERR_SUCCESS;
}



/*
 * parse_mteTriggerTable():
 *   parses .conf file entries needed to configure the mib.
 */
void
parse_expExpressionTable(const char *token, char *line)
{
    size_t          tmpint;
    oid            *tmpoid = NULL;
    struct expExpressionTable_data *StorageTmp =
        SNMP_MALLOC_STRUCT(expExpressionTable_data);

    DEBUGMSGTL(("expExpressionTable", "parsing config...  "));

    if (StorageTmp == NULL) {
        config_perror("malloc failure");
        return;
    }

    line =
        read_config_read_data(ASN_OCTET_STR, line,
                              &StorageTmp->expExpressionOwner,
                              &StorageTmp->expExpressionOwnerLen);
    if (StorageTmp->expExpressionOwner == NULL) {
        config_perror("invalid specification for expExpressionOwner");
        return;
    }

    line =
        read_config_read_data(ASN_OCTET_STR, line,
                              &StorageTmp->expExpressionName,
                              &StorageTmp->expExpressionNameLen);
    if (StorageTmp->expExpressionName == NULL) {
        config_perror("invalid specification for expExpressionName");
        return;
    }

    line =
        read_config_read_data(ASN_OCTET_STR, line,
                              &StorageTmp->expExpression,
                              &StorageTmp->expExpressionLen);

    line =
        read_config_read_data(ASN_INTEGER, line,
                              &StorageTmp->expExpressionValueType,
                              &tmpint);

    line =
        read_config_read_data(ASN_OCTET_STR, line,
                              &StorageTmp->expExpressionComment,
                              &StorageTmp->expExpressionCommentLen);

    line =
        read_config_read_data(ASN_INTEGER, line,
                              &StorageTmp->expExpressionDeltaInterval,
                              &tmpint);

    line =
        read_config_read_data(ASN_OBJECT_ID, line,
                              &StorageTmp->expExpressionPrefix,
                              &StorageTmp->expExpressionPrefixLen);

    line =
        read_config_read_data(ASN_UNSIGNED, line,
                              &StorageTmp->expExpressionErrors, &tmpint);

    line =
        read_config_read_data(ASN_INTEGER, line,
                              &StorageTmp->expExpressionEntryStatus,
                              &tmpint);

    line =
        read_config_read_data(ASN_INTEGER, line,
                              &StorageTmp->have_copied_auth_info, &tmpint);
    if (StorageTmp->have_copied_auth_info) {
        line =
            read_config_read_data(ASN_INTEGER, line,
                                  &StorageTmp->pdu_version, &tmpint);
        line =
            read_config_read_data(ASN_INTEGER, line,
                                  &StorageTmp->pdu_securityModel, &tmpint);
        line =
            read_config_read_data(ASN_INTEGER, line,
                                  &StorageTmp->pdu_securityLevel, &tmpint);
        line =
            read_config_read_data(ASN_OBJECT_ID, line, &tmpoid, &tmpint);
        if (!netsnmp_tdomain_support
            (tmpoid, tmpint, &StorageTmp->pdu_tDomain,
             &StorageTmp->pdu_tDomainLen)) {
            config_perror
                ("unsupported transport domain for mteTriggerEntry");
            return;
        }
        if (tmpoid != NULL) {
            free(tmpoid);
        }

        /*
         * can be NULL?  Yes.  
         */
        line = read_config_read_data(ASN_OCTET_STR, line,
                                     &(StorageTmp->pdu_transport),
                                     &StorageTmp->pdu_transportLen);

        line =
            read_config_read_data(ASN_OCTET_STR, line,
                                  &StorageTmp->pdu_community,
                                  &StorageTmp->pdu_community_len);
        if (StorageTmp->pdu_community == NULL) {
            config_perror("invalid specification for pdu_community");
            return;
        }
        line =
            read_config_read_data(ASN_OCTET_STR, line,
                                  &StorageTmp->pdu_securityName,
                                  &StorageTmp->pdu_securityNameLen);
        if (StorageTmp->pdu_securityName == NULL) {
            config_perror("invalid specification for pdu_securityName");
            return;
        }
    }
    StorageTmp->storageType = ST_NONVOLATILE;
    expExpressionTable_add(StorageTmp);


    DEBUGMSGTL(("expExpressionTable", "done.\n"));
}


/*
 * store_expExpressionTable():
 *   stores .conf file entries needed to configure the mib.
 */
int
store_expExpressionTable(int majorID, int minorID, void *serverarg,
                         void *clientarg)
{
    char            line[SNMP_MAXBUF];
    char           *cptr;
    size_t          tmpint;
    struct expExpressionTable_data *StorageTmp;
    struct expObjectTable_data *ObjectStorageTmp;
    struct expValueTable_data *ValueStorageTmp;
    struct header_complex_index *hcindex, *hc_object, *hc_value;

    DEBUGMSGTL(("expExpressionTable", "storing data...  "));

    for (hcindex = expExpressionTableStorage; hcindex != NULL;
         hcindex = hcindex->next) {
        StorageTmp = (struct expExpressionTable_data *) hcindex->data;


        if (StorageTmp->storageType == ST_NONVOLATILE) {

            memset(line, 0, sizeof(line));
            strcat(line, "expExpressionTable ");
            cptr = line + strlen(line);
            /*
             * expExpressionTable
             */


            cptr =
                read_config_store_data(ASN_OCTET_STR, cptr,
                                       &StorageTmp->expExpressionOwner,
                                       &StorageTmp->expExpressionOwnerLen);
            cptr =
                read_config_store_data(ASN_OCTET_STR, cptr,
                                       &StorageTmp->expExpressionName,
                                       &StorageTmp->expExpressionNameLen);
            cptr =
                read_config_store_data(ASN_OCTET_STR, cptr,
                                       &StorageTmp->expExpression,
                                       &StorageTmp->expExpressionLen);
            cptr =
                read_config_store_data(ASN_INTEGER, cptr,
                                       &StorageTmp->expExpressionValueType,
                                       &tmpint);
            cptr =
                read_config_store_data(ASN_OCTET_STR, cptr,
                                       &StorageTmp->expExpressionComment,
                                       &StorageTmp->
                                       expExpressionCommentLen);
            cptr =
                read_config_store_data(ASN_INTEGER, cptr,
                                       &StorageTmp->
                                       expExpressionDeltaInterval,
                                       &tmpint);
            cptr =
                read_config_store_data(ASN_OBJECT_ID, cptr,
                                       &StorageTmp->expExpressionPrefix,
                                       &StorageTmp->
                                       expExpressionPrefixLen);
            cptr =
                read_config_store_data(ASN_UNSIGNED, cptr,
                                       &StorageTmp->expExpressionErrors,
                                       &tmpint);
            cptr =
                read_config_store_data(ASN_INTEGER, cptr,
                                       &StorageTmp->
                                       expExpressionEntryStatus, &tmpint);
            cptr =
                read_config_store_data(ASN_INTEGER, cptr,
                                       &StorageTmp->have_copied_auth_info,
                                       &tmpint);
            if (StorageTmp->have_copied_auth_info) {
                cptr =
                    read_config_store_data(ASN_INTEGER, cptr,
                                           &StorageTmp->pdu_version,
                                           &tmpint);
                cptr =
                    read_config_store_data(ASN_INTEGER, cptr,
                                           &StorageTmp->pdu_securityModel,
                                           &tmpint);
                cptr =
                    read_config_store_data(ASN_INTEGER, cptr,