ifxtable.c

snmp的源代码,已经在我的ubuntu下编译通过

     * TODO:231:o: |-> Extract the current value of the ifName data.
     * set (* ifName_val_ptr_ptr ) and (* ifName_val_ptr_len_ptr ) from rowreq_ctx->data
     */
    /*
     * make sure there is enough space for ifName data
     */
    tmp_len = strlen(rowreq_ctx->data.ifName);
    if ((NULL == (*ifName_val_ptr_ptr))
        || ((*ifName_val_ptr_len_ptr) < tmp_len)) {
        /*
         * allocate space for ifName data
         */
        (*ifName_val_ptr_ptr) =
            malloc(tmp_len * sizeof((*ifName_val_ptr_ptr)[0]));
        if (NULL == (*ifName_val_ptr_ptr)) {
            snmp_log(LOG_ERR, "could not allocate memory\n");
            return MFD_ERROR;
        }
    }
    (*ifName_val_ptr_len_ptr) = tmp_len;
    memcpy((*ifName_val_ptr_ptr), rowreq_ctx->data.ifName,
           (*ifName_val_ptr_len_ptr) * sizeof((*ifName_val_ptr_ptr)[0]));

    return MFD_SUCCESS;
}                               /* ifName_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifXEntry.ifInMulticastPkts
 * ifInMulticastPkts is subid 2 of ifXEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.31.1.1.1.2
 * Description:
The number of packets, delivered by this sub-layer to a
            higher (sub-)layer, which were addressed to a multicast
            address at this sub-layer.  For a MAC layer protocol, this
            includes both Group and Functional addresses.

            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 ifInMulticastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifInMulticastPkts_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
ifInMulticastPkts_get(ifXTable_rowreq_ctx * rowreq_ctx,
                      u_long * ifInMulticastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifInMulticastPkts_val_ptr);


    DEBUGMSGTL(("verbose:ifXTable:ifInMulticastPkts_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ifInMulticastPkts_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifXEntry.ifInBroadcastPkts
 * ifInBroadcastPkts is subid 3 of ifXEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.31.1.1.1.3
 * Description:
The number of packets, delivered by this sub-layer to a
            higher (sub-)layer, which were addressed to a 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 ifInBroadcastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifInBroadcastPkts_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
ifInBroadcastPkts_get(ifXTable_rowreq_ctx * rowreq_ctx,
                      u_long * ifInBroadcastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifInBroadcastPkts_val_ptr);


    DEBUGMSGTL(("verbose:ifXTable:ifInBroadcastPkts_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ifInBroadcastPkts_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifXEntry.ifOutMulticastPkts
 * ifOutMulticastPkts is subid 4 of ifXEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.31.1.1.1.4
 * Description:
The total number of packets that higher-level protocols
            requested be transmitted, and which were addressed to a
            multicast address at this sub-layer, including those that
            were discarded or not sent.  For a MAC layer protocol, this
            includes both Group and Functional addresses.

            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 ifOutMulticastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifOutMulticastPkts_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
ifOutMulticastPkts_get(ifXTable_rowreq_ctx * rowreq_ctx,
                       u_long * ifOutMulticastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifOutMulticastPkts_val_ptr);


    DEBUGMSGTL(("verbose:ifXTable:ifOutMulticastPkts_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ifOutMulticastPkts_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifXEntry.ifOutBroadcastPkts
 * ifOutBroadcastPkts is subid 5 of ifXEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.31.1.1.1.5
 * Description:
The total number of packets that higher-level protocols
            requested be transmitted, and which were addressed to a
            broadcast address at this sub-layer, including those that
            were discarded or not sent.

            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 ifOutBroadcastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifOutBroadcastPkts_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
ifOutBroadcastPkts_get(ifXTable_rowreq_ctx * rowreq_ctx,
                       u_long * ifOutBroadcastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifOutBroadcastPkts_val_ptr);


    DEBUGMSGTL(("verbose:ifXTable:ifOutBroadcastPkts_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ifOutBroadcastPkts_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifXEntry.ifHCInOctets
 * ifHCInOctets is subid 6 of ifXEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.31.1.1.1.6
 * Description:
The total number of octets received on the interface,
            including framing characters.  This object is a 64-bit
            version of ifInOctets.

            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 COUNTER64 (based on perltype COUNTER64)
 * The net-snmp type is ASN_COUNTER64. The C type decl is U64 (U64)
 */
/**
 * Extract the current value of the ifHCInOctets data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifHCInOctets_val_ptr
 *        Pointer to storage for a U64 variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifHCInOctets_get(ifXTable_rowreq_ctx * rowreq_ctx,
                 U64 * ifHCInOctets_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifHCInOctets_val_ptr);

    /*
     * TODO:231:o: |-> copy ifHCInOctets data.
     * get (* ifHCInOctets_val_ptr ).low and (* ifHCInOctets_val_ptr ).high from rowreq_ctx->data
     */
    (*ifHCInOctets_val_ptr).high = rowreq_ctx->data.ifHCInOctets.high;
    (*ifHCInOctets_val_ptr).low = rowreq_ctx->data.ifHCInOctets.low;


    return MFD_SUCCESS;
}                               /* ifHCInOctets_get */

/*---------------------------------------------------------------------
 * IF-MIB::ifXEntry.ifHCInUcastPkts
 * ifHCInUcastPkts is subid 7 of ifXEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.31.1.1.1.7
 * 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.  This object is a
            64-bit version of ifInUcastPkts.

            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 COUNTER64 (based on perltype COUNTER64)
 * The net-snmp type is ASN_COUNTER64. The C type decl is U64 (U64)
 */
/**
 * Extract the current value of the ifHCInUcastPkts data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ifHCInUcastPkts_val_ptr
 *        Pointer to storage for a U64 variable
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
 */
int
ifHCInUcastPkts_get(ifXTable_rowreq_ctx * rowreq_ctx,
                    U64 * ifHCInUcastPkts_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ifHCInUcastPkts_val_ptr);

    /*
     * TODO:231:o: |-> copy ifHCInUcastPkts data.
     * get (* ifHCInUcastPkts_val_ptr ).low and (* ifHCInUcastPkts_val_ptr ).high from rowreq_ctx->data