mtetriggertable.c

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/*
 * 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 "mteTriggerTable.h"
#include "mteTriggerBooleanTable.h"
#include "mteTriggerDeltaTable.h"
#include "mteTriggerExistenceTable.h"
#include "mteTriggerThresholdTable.h"
#include "mteEventTable.h"
#include "mteObjectsTable.h"

/*
 * mteTriggerTable_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.
 */

/*
 * trap definitions 
 */
oid             mteTriggerFired[] = { 1, 3, 6, 1, 2, 1, 88, 2, 0, 1 };
oid             mteTriggerRising[] = { 1, 3, 6, 1, 2, 1, 88, 2, 0, 2 };
oid             mteTriggerFalling[] = { 1, 3, 6, 1, 2, 1, 88, 2, 0, 3 };
oid             mteTriggerFailure[] = { 1, 3, 6, 1, 2, 1, 88, 2, 0, 4 };
oid             mteEventSetFailure[] = { 1, 3, 6, 1, 2, 1, 88, 2, 0, 5 };

/*
 * trap objects 
 */
oid             mteHotTrigger[] = { 1, 3, 6, 1, 2, 1, 88, 2, 1, 1 };
oid             mteHotTargetName[] = { 1, 3, 6, 1, 2, 1, 88, 2, 1, 2 };
oid             mteHotContextName[] = { 1, 3, 6, 1, 2, 1, 88, 2, 1, 3 };
oid             mteHotOID[] = { 1, 3, 6, 1, 2, 1, 88, 2, 1, 4 };
oid             mteHotValue[] = { 1, 3, 6, 1, 2, 1, 88, 2, 1, 5 };
oid             mteFailedReason[] = { 1, 3, 6, 1, 2, 1, 88, 2, 1, 6 };

/*
 * For discontinuity checking.  
 */
oid             sysUpTimeInstance[] = { 1, 3, 6, 1, 2, 1, 1, 3, 0 };

oid             mteTriggerTable_variables_oid[] =
    { 1, 3, 6, 1, 2, 1, 88, 1, 2, 2 };


/*
 * variable2 mteTriggerTable_variables:
 *   this variable defines function callbacks and type return information 
 *   for the mteTriggerTable mib section 
 */


struct variable2 mteTriggerTable_variables[] = {
    /*
     * magic number        , variable type , ro/rw , callback fn  , L, oidsuffix 
     */
#define   MTETRIGGERCOMMENT     5
    {MTETRIGGERCOMMENT, ASN_OCTET_STR, RWRITE, var_mteTriggerTable, 2,
     {1, 3}},
#define   MTETRIGGERTEST        6
    {MTETRIGGERTEST, ASN_OCTET_STR, RWRITE, var_mteTriggerTable, 2, {1, 4}},
#define   MTETRIGGERSAMPLETYPE  7
    {MTETRIGGERSAMPLETYPE, ASN_INTEGER, RWRITE, var_mteTriggerTable, 2,
     {1, 5}},
#define   MTETRIGGERVALUEID     8
    {MTETRIGGERVALUEID, ASN_OBJECT_ID, RWRITE, var_mteTriggerTable, 2,
     {1, 6}},
#define   MTETRIGGERVALUEIDWILDCARD  9
    {MTETRIGGERVALUEIDWILDCARD, ASN_INTEGER, RWRITE, var_mteTriggerTable,
     2, {1, 7}},
#define   MTETRIGGERTARGETTAG   10
    {MTETRIGGERTARGETTAG, ASN_OCTET_STR, RWRITE, var_mteTriggerTable, 2,
     {1, 8}},
#define   MTETRIGGERCONTEXTNAME  11
    {MTETRIGGERCONTEXTNAME, ASN_OCTET_STR, RWRITE, var_mteTriggerTable, 2,
     {1, 9}},
#define   MTETRIGGERCONTEXTNAMEWILDCARD  12
    {MTETRIGGERCONTEXTNAMEWILDCARD, ASN_INTEGER, RWRITE,
     var_mteTriggerTable, 2, {1, 10}},
#define   MTETRIGGERFREQUENCY   13
    {MTETRIGGERFREQUENCY, ASN_UNSIGNED, RWRITE, var_mteTriggerTable, 2,
     {1, 11}},
#define   MTETRIGGEROBJECTSOWNER  14
    {MTETRIGGEROBJECTSOWNER, ASN_OCTET_STR, RWRITE, var_mteTriggerTable, 2,
     {1, 12}},
#define   MTETRIGGEROBJECTS     15
    {MTETRIGGEROBJECTS, ASN_OCTET_STR, RWRITE, var_mteTriggerTable, 2,
     {1, 13}},
#define   MTETRIGGERENABLED     16
    {MTETRIGGERENABLED, ASN_INTEGER, RWRITE, var_mteTriggerTable, 2,
     {1, 14}},
#define   MTETRIGGERENTRYSTATUS  17
    {MTETRIGGERENTRYSTATUS, ASN_INTEGER, RWRITE, var_mteTriggerTable, 2,
     {1, 15}},

};
/*
 * (L = length of the oidsuffix) 
 */


/*
 * global storage of our data, saved in and configured by header_complex() 
 */
struct header_complex_index *mteTriggerTableStorage = NULL;

netsnmp_session *mte_callback_sess = NULL;
extern int      callback_master_num;

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

#ifndef NETSNMP_TRANSPORT_CALLBACK_DOMAIN
    snmp_log(LOG_WARNING,"mteTriggerTable has been disabled because "
               "the callback transport is not available.\n");
    return;
#endif

    /*
     * register ourselves with the agent to handle our mib tree 
     */
    REGISTER_MIB("mteTriggerTable", mteTriggerTable_variables, variable2,
                 mteTriggerTable_variables_oid);


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

    snmpd_register_config_handler("monitor", parse_simple_monitor, NULL,
                                  "[options] monitor_expression [see \"man snmpd.conf\"]");
    snmpd_register_config_handler("defaultMonitors",
                                  parse_default_monitors, NULL, "yes|no");

    /*
     * we need to be called back later to store our data 
     */
    snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_STORE_DATA,
                           store_mteTriggerTable, NULL);


    /*
     * place any other initialization junk you need here 
     */
    se_add_pair_to_slist("mteBooleanOperators", strdup("!="),
                         MTETRIGGERBOOLEANCOMPARISON_UNEQUAL);
    se_add_pair_to_slist("mteBooleanOperators", strdup("=="),
                         MTETRIGGERBOOLEANCOMPARISON_EQUAL);
    se_add_pair_to_slist("mteBooleanOperators", strdup("<"),
                         MTETRIGGERBOOLEANCOMPARISON_LESS);
    se_add_pair_to_slist("mteBooleanOperators", strdup("<="),
                         MTETRIGGERBOOLEANCOMPARISON_LESSOREQUAL);
    se_add_pair_to_slist("mteBooleanOperators", strdup(">"),
                         MTETRIGGERBOOLEANCOMPARISON_GREATER);
    se_add_pair_to_slist("mteBooleanOperators", strdup(">="),
                         MTETRIGGERBOOLEANCOMPARISON_GREATEROREQUAL);

#ifdef NETSNMP_TRANSPORT_CALLBACK_DOMAIN
    /*
     * open a 'callback' session to the main agent 
     */
    if (mte_callback_sess == NULL) {
        mte_callback_sess = netsnmp_callback_open(callback_master_num,
                                                  NULL, NULL, NULL);
        DEBUGMSGTL(("mteTriggerTable", "created callback session = %08x\n",
                    mte_callback_sess));
    }
#endif
    DEBUGMSGTL(("mteTriggerTable", "done.\n"));
}

struct mteTriggerTable_data *
create_mteTriggerTable_data(void)
{
    struct mteTriggerTable_data *StorageNew;

    StorageNew = SNMP_MALLOC_STRUCT(mteTriggerTable_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->mteTriggerComment = strdup("");
    StorageNew->mteTriggerTest = strdup("");
    StorageNew->mteTriggerTest[0] |= (char) MTETRIGGERTEST_BOOLEAN;
    StorageNew->mteTriggerTestLen = 1;
    StorageNew->mteTriggerSampleType = MTETRIGGERSAMPLETYPE_ABSOLUTEVALUE;
    StorageNew->mteTriggerValueID = calloc(1, sizeof(oid) * sizeof(2)); /* 0.0 */
    StorageNew->mteTriggerValueIDLen = 2;
    StorageNew->mteTriggerValueIDWildcard =
        MTETRIGGERVALUEIDWILDCARD_FALSE;
    StorageNew->mteTriggerTargetTag = strdup("");
    StorageNew->mteTriggerContextName = strdup("");
    StorageNew->mteTriggerContextNameWildcard =
        MTETRIGGERCONTEXTNAMEWILDCARD_FALSE;
    StorageNew->mteTriggerFrequency = 600;
    StorageNew->mteTriggerObjectsOwner = strdup("");
    StorageNew->mteTriggerObjects = strdup("");
    StorageNew->mteTriggerEnabled = MTETRIGGERENABLED_FALSE;
    memdup((unsigned char **)
           &(StorageNew->mteTriggerDeltaDiscontinuityID),
           (unsigned char *) sysUpTimeInstance, sizeof(sysUpTimeInstance));
    StorageNew->mteTriggerDeltaDiscontinuityIDLen =
        sizeof(sysUpTimeInstance) / sizeof(oid);
    StorageNew->mteTriggerDeltaDiscontinuityIDWildcard = TV_FALSE;
    StorageNew->mteTriggerDeltaDiscontinuityIDType =
        MTETRIGGERDELTADISCONTINUITYIDTYPE_TIMETICKS;
    StorageNew->mteTriggerExistenceTest = strdup("");
    StorageNew->mteTriggerExistenceTest[0] =
        (char) (MTETRIGGEREXISTENCETEST_PRESENT |
                MTETRIGGEREXISTENCETEST_ABSENT);
    StorageNew->mteTriggerExistenceTestLen = 1;
    StorageNew->mteTriggerExistenceStartup = strdup("");
    StorageNew->mteTriggerExistenceStartup[0] =
        (char) (MTETRIGGEREXISTENCESTARTUP_PRESENT);
    StorageNew->mteTriggerExistenceStartupLen = 1;
    StorageNew->mteTriggerExistenceObjectsOwner = strdup("");
    StorageNew->mteTriggerExistenceObjects = strdup("");
    StorageNew->mteTriggerExistenceEventOwner = strdup("");
    StorageNew->mteTriggerExistenceEvent = strdup("");
    StorageNew->mteTriggerBooleanComparison =
        MTETRIGGERBOOLEANCOMPARISON_UNEQUAL;
    StorageNew->mteTriggerBooleanStartup = MTETRIGGERBOOLEANSTARTUP_TRUE;
    StorageNew->mteTriggerBooleanObjectsOwner = strdup("");
    StorageNew->mteTriggerBooleanObjects = strdup("");
    StorageNew->mteTriggerBooleanEventOwner = strdup("");
    StorageNew->mteTriggerBooleanEvent = strdup("");
    StorageNew->mteTriggerThresholdStartup =
        MTETRIGGERTHRESHOLDSTARTUP_RISINGORFALLING;
    StorageNew->mteTriggerThresholdObjectsOwner = strdup("");
    StorageNew->mteTriggerThresholdObjects = strdup("");
    StorageNew->mteTriggerThresholdRisingEventOwner = strdup("");
    StorageNew->mteTriggerThresholdRisingEvent = strdup("");
    StorageNew->mteTriggerThresholdFallingEventOwner = strdup("");
    StorageNew->mteTriggerThresholdFallingEvent = strdup("");
    StorageNew->mteTriggerThresholdDeltaRisingEventOwner = strdup("");
    StorageNew->mteTriggerThresholdDeltaRisingEvent = strdup("");
    StorageNew->mteTriggerThresholdDeltaFallingEventOwner = strdup("");
    StorageNew->mteTriggerThresholdDeltaFallingEvent = strdup("");
    StorageNew->lastboolresult = -1;
    StorageNew->storageType = ST_NONVOLATILE;
    StorageNew->prevDiscoTicks = 0;
    StorageNew->prevUptimeTicks = 0;
    return StorageNew;
}

/*
 * mteTriggerTable_add(): adds a structure node to our data set 
 */
int
mteTriggerTable_add(struct mteTriggerTable_data *thedata)
{
    netsnmp_variable_list *vars = NULL;


    DEBUGMSGTL(("mteTriggerTable", "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->mteOwner, thedata->mteOwnerLen); /* mteOwner */
    snmp_varlist_add_variable(&vars, NULL, 0, ASN_PRIV_IMPLIED_OCTET_STR, (char *) thedata->mteTriggerName, thedata->mteTriggerNameLen);        /* mteTriggerName */



    header_complex_add_data(&mteTriggerTableStorage, vars, thedata);
    DEBUGMSGTL(("mteTriggerTable", "registered an entry\n"));


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


#define MTE_PROCESS_LINE(line) \
  snprintf(buf, SPRINT_MAX_LEN, "-u %s %s", mte_default_user, line); \
  parse_simple_monitor("monitor", buf);

void
parse_default_monitors(const char *token, char *line)
{
    char            buf[SPRINT_MAX_LEN];
    char           *mte_default_user =
        netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_INTERNAL_SECNAME);

    if (strncmp(line, "yes", 3) == 0) {

        DEBUGMSGTL(("mteTriggerTable", "registering default monitors\n"));

        if (mte_default_user == NULL) {
            config_perror
                ("You must specify a user name first using the agentSecName token\n");
            return;
        }

        /*
         * we don't include many additional objects here as most of
         * the error messages are complete with the needed
         * information 
         */
        MTE_PROCESS_LINE
            ("-o prNames -o prErrMessage \"process table\" prErrorFlag != 0");
        MTE_PROCESS_LINE
            ("-o memErrorName -o memSwapErrorMsg \"memory\" memSwapError != 0");
        MTE_PROCESS_LINE
            ("-o extNames -o extOutput \"extTable\" extResult != 0");
        MTE_PROCESS_LINE
            ("-o dskPath -o dskErrorMsg \"dskTable\" dskErrorFlag != 0");
        MTE_PROCESS_LINE
            ("-o laNames -o laErrMessage  \"laTable\" laErrorFlag != 0");
        MTE_PROCESS_LINE
            ("-o fileName -o fileErrorMsg  \"fileTable\" fileErrorFlag != 0");
        /*