mtetriggerconf.c

开发snmp的开发包有两个开放的SNMP开发库

     *       definitions in IF-MIB, but will do for now.
     */
    if (strncmp( line, "yes", 3) == 0) {
        DEBUGMSGTL(("disman:event:conf", "Registering linkUpDown traps\n"));

        parse_mteMonitor("monitor",
            "-r 60 -S -e _linkUp   \"linkUp\"   ifOperStatus != 2");
        parse_mteMonitor("monitor",
            "-r 60 -S -e _linkDown \"linkDown\" ifOperStatus == 2");
    }
}


void
parse_default_mteMonitors(const char *token, char *line)
{
    if (strncmp( line, "yes", 3) == 0) {
        DEBUGMSGTL(("disman:event:conf", "Registering default monitors\n"));

        parse_mteMonitor("monitor",
            "-o prNames -o prErrMessage   \"process table\" prErrorFlag  != 0");
        parse_mteMonitor("monitor",
            "-o memErrorName -o memSwapErrorMsg \"memory\"  memSwapError != 0");
        parse_mteMonitor("monitor",
            "-o extNames -o extOutput     \"extTable\"      extResult    != 0");
        parse_mteMonitor("monitor",
            "-o dskPath -o dskErrorMsg    \"dskTable\"      dskErrorFlag != 0");
        parse_mteMonitor("monitor",
            "-o laNames -o laErrMessage   \"laTable\"       laErrorFlag  != 0");
        parse_mteMonitor("monitor",
            "-o fileName -o fileErrorMsg  \"fileTable\" fileErrorFlag    != 0");
        parse_mteMonitor("monitor",
            "-o snmperrErrMessage         \"snmperrs\"  snmperrErrorFlag != 0");
    }
    return;
}

/* ================================================
 *
 *  Handlers for loading persistent trigger entries
 *
 * ================================================ */



/* 
 *  Entries for the main mteTriggerTable
 */

char *
_parse_mteTCols( char *line, struct mteTrigger *entry, int bcomp )
{
    void  *vp;
    size_t tmp;
    size_t len;

    len  = MTE_STR2_LEN; vp = entry->mteTriggerComment;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp, &len);
    if ( bcomp ) {
        /*
         * The newer style of config directive skips the
         *   mteTriggerTest and mteTriggerSampleType values,
         *   as these are set implicitly from the relevant
         *   config directives.
         * Backwards compatability with the previous (combined) 
         *   style reads these in explicitly.
         */
        len  = 1;
        vp   = &entry->mteTriggerTest;
        line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        if (tmp == 2)
            entry->flags |= MTE_TRIGGER_FLAG_DELTA;
    }
    vp   = entry->mteTriggerValueID;
    entry->mteTriggerValueID_len = MAX_OID_LEN;
    line = read_config_read_data(ASN_OBJECT_ID, line, &vp,
                                &entry->mteTriggerValueID_len);
    if (bcomp) {
        /*
         * The newer style combines the various boolean values
         *   into a single field (which comes later).
         * Backwards compatability means reading these individually. 
         */
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        if (tmp == TV_TRUE)
            entry->flags |= MTE_TRIGGER_FLAG_VWILD;
    }
    len  = MTE_STR2_LEN; vp = entry->mteTriggerTarget;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp, &len);
    len  = MTE_STR2_LEN; vp = entry->mteTriggerContext;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp, &len);
    if (bcomp) {
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        if (tmp == TV_TRUE)
            entry->flags |= MTE_TRIGGER_FLAG_CWILD;
    }

    line = read_config_read_data(ASN_UNSIGNED,  line,
                                &entry->mteTriggerFrequency, NULL);

    len  = MTE_STR1_LEN; vp = entry->mteTriggerOOwner;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp, &len);
    len  = MTE_STR1_LEN; vp = entry->mteTriggerObjects;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);

    /*
     * Assorted boolean flag values, combined into a single field
     */
    if (bcomp) {
        /*
         * Backwards compatability stores the mteTriggerEnabled
         *   and mteTriggerEntryStatus values separately...
         */
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        if (tmp == TV_TRUE)
            entry->flags |= MTE_TRIGGER_FLAG_ENABLED;
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        if (tmp == RS_ACTIVE)
            entry->flags |= MTE_TRIGGER_FLAG_ACTIVE;
    } else {
        /*
         * ... while the newer style combines all the assorted
         *       boolean values into this single field.
         */
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        entry->flags |= ( tmp &
            (MTE_TRIGGER_FLAG_VWILD  |MTE_TRIGGER_FLAG_CWILD|
             MTE_TRIGGER_FLAG_ENABLED|MTE_TRIGGER_FLAG_ACTIVE));
    }

    return line;
}

void
parse_mteTTable(const char *token, char *line)
{
    char   owner[MTE_STR1_LEN+1];
    char   tname[MTE_STR1_LEN+1];
    void  *vp;
    size_t len;
    struct mteTrigger *entry;

    DEBUGMSGTL(("disman:event:conf", "Parsing mteTriggerTable config...\n"));

    /*
     * Read in the index information for this entry
     *  and create a (non-fixed) data structure for it.
     */
    memset( owner, 0, sizeof(owner));
    memset( tname, 0, sizeof(tname));
    len   = MTE_STR1_LEN; vp = owner;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len   = MTE_STR1_LEN; vp = tname;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    entry = _find_mteTrigger_entry( owner, tname );

    DEBUGMSG(("disman:event:conf", "(%s, %s) ", owner, tname));
    
    /*
     * Read in the accessible (trigger-independent) column values.
     */
    line = _parse_mteTCols( line, entry, 0 );
    /*
     * XXX - Will need to read in the 'iquery' access information
     */
    entry->flags |= MTE_TRIGGER_FLAG_VALID;

    DEBUGMSG(("disman:event:conf", "\n"));
}


/* 
 *  Entries from the mteTriggerDeltaTable
 */

char *
_parse_mteTDCols( char *line, struct mteTrigger *entry, int bcomp )
{
    void  *vp;
    size_t tmp;

    entry->mteDeltaDiscontID_len = MAX_OID_LEN;
    vp   = entry->mteDeltaDiscontID;
    line = read_config_read_data(ASN_OBJECT_ID, line, &vp,
                                &entry->mteDeltaDiscontID_len);
    line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
    if (bcomp) {
        if ( tmp == TV_TRUE )
            entry->flags |= MTE_TRIGGER_FLAG_DWILD;
    } else {
        if ( tmp & MTE_TRIGGER_FLAG_DWILD )
            entry->flags |= MTE_TRIGGER_FLAG_DWILD;
    }
    line = read_config_read_data(ASN_UNSIGNED,  line,
                                &entry->mteDeltaDiscontIDType, NULL);

    return line;
}

void
parse_mteTDTable(const char *token, char *line)
{
    char   owner[MTE_STR1_LEN+1];
    char   tname[MTE_STR1_LEN+1];
    void  *vp;
    size_t len;
    struct mteTrigger *entry;

    DEBUGMSGTL(("disman:event:conf", "Parsing mteTriggerDeltaTable config... "));

    /*
     * Read in the index information for this entry
     *  and create a (non-fixed) data structure for it.
     */
    memset( owner, 0, sizeof(owner));
    memset( tname, 0, sizeof(tname));
    len   = MTE_STR1_LEN; vp = owner;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len   = MTE_STR1_LEN; vp = tname;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    entry = _find_mteTrigger_entry( owner, tname );

    DEBUGMSG(("disman:event:conf", "(%s, %s) ", owner, tname));
    
    /*
     * Read in the accessible column values.
     */
    line = _parse_mteTDCols( line, entry, 0 );

    entry->flags |= (MTE_TRIGGER_FLAG_DELTA|
                     MTE_TRIGGER_FLAG_VALID);

    DEBUGMSG(("disman:event:conf", "\n"));
}


/* 
 *  Entries from the mteTriggerExistenceTable
 */

char *
_parse_mteTExCols( char *line, struct mteTrigger *entry, int bcomp )
{
    void  *vp;
    size_t tmp;
    size_t len;

    if (bcomp) {
        len  = 1;
        vp   = &entry->mteTExTest;
        line = read_config_read_data(ASN_OCTET_STR,  line, &vp, &len);
        len  = 1;
        vp   = &entry->mteTExStartup;
        line = read_config_read_data(ASN_OCTET_STR,  line, &vp, &len);
    } else {
        line  = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        entry->mteTExStartup = ( tmp & 0xff ); tmp >>= 8;
        entry->mteTExTest    = ( tmp & 0xff );
    }

    len  = MTE_STR1_LEN; vp = entry->mteTExObjOwner;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len  = MTE_STR1_LEN; vp = entry->mteTExObjects;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);

    len  = MTE_STR1_LEN; vp = entry->mteTExEvOwner;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len  = MTE_STR1_LEN; vp = entry->mteTExEvent;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);

    return line;
}

void
parse_mteTExTable(const char *token, char *line)
{
    char   owner[MTE_STR1_LEN+1];
    char   tname[MTE_STR1_LEN+1];
    void  *vp;
    size_t len;
    struct mteTrigger *entry;

    DEBUGMSGTL(("disman:event:conf", "Parsing mteTriggerExistenceTable config...  "));

    /*
     * Read in the index information for this entry
     *  and create a (non-fixed) data structure for it.
     */
    memset( owner, 0, sizeof(owner));
    memset( tname, 0, sizeof(tname));
    len   = MTE_STR1_LEN; vp = owner;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len   = MTE_STR1_LEN; vp = tname;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    entry = _find_mteTrigger_entry( owner, tname );

    DEBUGMSG(("disman:event:conf", "(%s, %s) ", owner, tname));
    
    /*
     * Read in the accessible column values.
     *  (Note that the first two are combined into a single field)
     */
    line = _parse_mteTExCols( line, entry, 0 );

    entry->mteTriggerTest |= MTE_TRIGGER_EXISTENCE;
    entry->flags          |= MTE_TRIGGER_FLAG_VALID;

    DEBUGMSG(("disman:event:conf", "\n"));
}


/* 
 *  Entries from the mteTriggerBooleanTable
 */

char *
_parse_mteTBlCols( char *line, struct mteTrigger *entry, int bcomp )
{
    void  *vp;
    size_t tmp;
    size_t len;

    if (bcomp) {
        line = read_config_read_data(ASN_UNSIGNED,  line,
                                    &entry->mteTBoolComparison, NULL);
        line = read_config_read_data(ASN_INTEGER,   line,
                                    &entry->mteTBoolValue, NULL);
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        if (tmp == TV_TRUE)
            entry->flags |= MTE_TRIGGER_FLAG_BSTART;
    } else {
        line = read_config_read_data(ASN_UNSIGNED,  line, &tmp, NULL);
        entry->mteTBoolComparison = ( tmp & 0x0f );
        entry->flags             |= ( tmp & MTE_TRIGGER_FLAG_BSTART );
        line = read_config_read_data(ASN_INTEGER,   line,
                                    &entry->mteTBoolValue, NULL);
    }


    len  = MTE_STR1_LEN; vp = entry->mteTBoolObjOwner;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len  = MTE_STR1_LEN; vp = entry->mteTBoolObjects;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);

    len  = MTE_STR1_LEN; vp = entry->mteTBoolEvOwner;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len  = MTE_STR1_LEN; vp = entry->mteTBoolEvent;
    line = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);

    return line;
}

void
parse_mteTBlTable(const char *token, char *line)
{
    char   owner[MTE_STR1_LEN+1];
    char   tname[MTE_STR1_LEN+1];
    void  *vp;
    size_t len;
    struct mteTrigger *entry;

    DEBUGMSGTL(("disman:event:conf", "Parsing mteTriggerBooleanTable config...  "));

    /*
     * Read in the index information for this entry
     *  and create a (non-fixed) data structure for it.
     */
    memset( owner, 0, sizeof(owner));
    memset( tname, 0, sizeof(tname));