iftable.c

snmp的源代码,已经在我的ubuntu下编译通过

            incoming connection); it should remain in the down(2) state
            if and only if there is a fault that prevents it from going
            to the up(1) state; it should remain in the notPresent(6)
            state if the interface has missing (typically, hardware)
            components.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  1      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 * Enum range: 5/8. Values:  up(1), down(2), testing(3), unknown(4), dormant(5), notPresent(6), lowerLayerDown(7)
 *
 * Its syntax is INTEGER (based on perltype INTEGER)
 * The net-snmp type is ASN_INTEGER. The C type decl is long (u_long)
 */
/**
 * Extract the current value of the ifOperStatus data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifOperStatus_val_ptr
 *        Pointer to storage for a long variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifOperStatus_get(ifTable_rowreq_ctx * rowreq_ctx,
                 u_long * ifOperStatus_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifOperStatus_val_ptr);


    DEBUGMSGTL(("verbose:ifTable:ifOperStatus_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ifOperStatus data.
     * set (* ifOperStatus_val_ptr ) from rowreq_ctx->data
     */
    (*ifOperStatus_val_ptr) = rowreq_ctx->data.ifOperStatus;

    return MFD_SUCCESS;
}                               /* ifOperStatus_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifEntry.ifLastChange
 * ifLastChange is subid 9 of ifEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.2.2.1.9
 * Description:
The value of sysUpTime at the time the interface entered
            its current operational state.  If the current state was
            entered prior to the last re-initialization of the local
            network management subsystem, then this object contains a
            zero value.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  0      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 *
 * Its syntax is TICKS (based on perltype TICKS)
 * The net-snmp type is ASN_TIMETICKS. The C type decl is u_long (u_long)
 */
/**
 * Extract the current value of the ifLastChange data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifLastChange_val_ptr
 *        Pointer to storage for a u_long variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifLastChange_get(ifTable_rowreq_ctx * rowreq_ctx,
                 u_long * ifLastChange_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifLastChange_val_ptr);


    DEBUGMSGTL(("verbose:ifTable:ifLastChange_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ifLastChange data.
     * set (* ifLastChange_val_ptr ) from rowreq_ctx->data
     */
    (*ifLastChange_val_ptr) = rowreq_ctx->data.ifLastChange;

    return MFD_SUCCESS;
}                               /* ifLastChange_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifEntry.ifInOctets
 * ifInOctets is subid 10 of ifEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.2.2.1.10
 * Description:
The total number of octets received on the interface,
            including framing characters.

            Discontinuities in the value of this counter can occur at
            re-initialization of the management system, and at other
            times as indicated by the value of
            ifCounterDiscontinuityTime.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  0      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 *
 * Its syntax is COUNTER (based on perltype COUNTER)
 * The net-snmp type is ASN_COUNTER. The C type decl is u_long (u_long)
 */
/**
 * Extract the current value of the ifInOctets data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifInOctets_val_ptr
 *        Pointer to storage for a u_long variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifInOctets_get(ifTable_rowreq_ctx * rowreq_ctx,
               u_long * ifInOctets_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifInOctets_val_ptr);


    DEBUGMSGTL(("verbose:ifTable:ifInOctets_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ifInOctets data.
     * set (* ifInOctets_val_ptr ) from rowreq_ctx->data
     */
    (*ifInOctets_val_ptr) = rowreq_ctx->data.ifInOctets;

    return MFD_SUCCESS;
}                               /* ifInOctets_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifEntry.ifInUcastPkts
 * ifInUcastPkts is subid 11 of ifEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.2.2.1.11
 * Description:
The number of packets, delivered by this sub-layer to a
            higher (sub-)layer, which were not addressed to a multicast
            or broadcast address at this sub-layer.

            Discontinuities in the value of this counter can occur at
            re-initialization of the management system, and at other
            times as indicated by the value of
            ifCounterDiscontinuityTime.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  0      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 *
 * Its syntax is COUNTER (based on perltype COUNTER)
 * The net-snmp type is ASN_COUNTER. The C type decl is u_long (u_long)
 */
/**
 * Extract the current value of the ifInUcastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifInUcastPkts_val_ptr
 *        Pointer to storage for a u_long variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifInUcastPkts_get(ifTable_rowreq_ctx * rowreq_ctx,
                  u_long * ifInUcastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifInUcastPkts_val_ptr);


    DEBUGMSGTL(("verbose:ifTable:ifInUcastPkts_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ifInUcastPkts data.
     * set (* ifInUcastPkts_val_ptr ) from rowreq_ctx->data
     */
    (*ifInUcastPkts_val_ptr) = rowreq_ctx->data.ifInUcastPkts;

    return MFD_SUCCESS;
}                               /* ifInUcastPkts_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifEntry.ifInNUcastPkts
 * ifInNUcastPkts is subid 12 of ifEntry.
 * Its status is Deprecated, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.2.2.1.12
 * Description:
The number of packets, delivered by this sub-layer to a
            higher (sub-)layer, which were addressed to a multicast or
            broadcast address at this sub-layer.

            Discontinuities in the value of this counter can occur at
            re-initialization of the management system, and at other
            times as indicated by the value of
            ifCounterDiscontinuityTime.

            This object is deprecated in favour of ifInMulticastPkts and
            ifInBroadcastPkts.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  0      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 *
 * Its syntax is COUNTER (based on perltype COUNTER)
 * The net-snmp type is ASN_COUNTER. The C type decl is u_long (u_long)
 */
/**
 * Extract the current value of the ifInNUcastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifInNUcastPkts_val_ptr
 *        Pointer to storage for a u_long variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifInNUcastPkts_get(ifTable_rowreq_ctx * rowreq_ctx,
                   u_long * ifInNUcastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifInNUcastPkts_val_ptr);


    DEBUGMSGTL(("verbose:ifTable:ifInNUcastPkts_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ifInNUcastPkts data.
     * set (* ifInNUcastPkts_val_ptr ) from rowreq_ctx->data
     */
    (*ifInNUcastPkts_val_ptr) = rowreq_ctx->data.ifInNUcastPkts;

    return MFD_SUCCESS;
}                               /* ifInNUcastPkts_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifEntry.ifInDiscards
 * ifInDiscards is subid 13 of ifEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.2.2.1.13
 * Description:
The number of inbound packets which were chosen to be
            discarded even though no errors had been detected to prevent

            their being deliverable to a higher-layer protocol.  One
            possible reason for discarding such a packet could be to
            free up buffer space.

            Discontinuities in the value of this counter can occur at
            re-initialization of the management system, and at other
            times as indicated by the value of
            ifCounterDiscontinuityTime.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  0      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 *
 * Its syntax is COUNTER (based on perltype COUNTER)
 * The net-snmp type is ASN_COUNTER. The C type decl is u_long (u_long)
 */
/**
 * Extract the current value of the ifInDiscards data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifInDiscards_val_ptr
 *        Pointer to storage for a u_long variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifInDiscards_get(ifTable_rowreq_ctx * rowreq_ctx,
                 u_long * ifInDiscards_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifInDiscards_val_ptr);


    DEBUGMSGTL(("verbose:ifTable:ifInDiscards_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ifInDiscards data.
     * set (* ifInDiscards_val_ptr ) from rowreq_ctx->data
     */
    (*ifInDiscards_val_ptr) = rowreq_ctx->data.ifInDiscards;

    return MFD_SUCCESS;
}                               /* ifInDiscards_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifEntry.ifInErrors
 * ifInErrors is subid 14 of ifEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.2.2.1.14
 * Description:
For packet-oriented interfaces, the number of inbound
            packets that contained errors preventing them from being
            deliverable to a higher-layer protocol.  For character-
            oriented or fixed-length interfaces, the number of inbound
            transmission units that contained errors preventing them
            from being deliverable to a higher-layer protocol.

            Discontinuities in the value of this counter can occur at