ipaddresstable.c

snmp的源代码,已经在我的ubuntu下编译通过

    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressIfIndex_get",
                "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ipAddressIfIndex_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressType
 * ipAddressType is subid 4 of ipAddressEntry.
 * Its status is Current, and its access level is Create.
 * OID: .1.3.6.1.2.1.4.34.1.4
 * Description:
The type of address.  broadcast(3) is not a valid value for
            IPv6 addresses (RFC3513).  
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  1      hasdefval 1
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   1
 *   defval: unicast
 *
 * Enum range: 2/8. Values:  unicast(1), anycast(2), broadcast(3)
 *
 * 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 ipAddressType data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ipAddressType_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
ipAddressType_get(ipAddressTable_rowreq_ctx * rowreq_ctx,
                  u_long * ipAddressType_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ipAddressType_val_ptr);


    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressType_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ipAddressType_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressPrefix
 * ipAddressPrefix is subid 5 of ipAddressEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.4.34.1.5
 * Description:
A pointer to the row in the prefix table to which this
            address belongs.  May be { 0 0 } if there is no such row.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  0      hasdefval 1
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *   defval: zeroDotZero
 *
 *
 * Its syntax is RowPointer (based on perltype OBJECTID)
 * The net-snmp type is ASN_OBJECT_ID. The C type decl is oid (oid)
 * This data type requires a length.  (Max 2147483647)
 */
/**
 * Extract the current value of the ipAddressPrefix data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ipAddressPrefix_val_ptr_ptr
 *        Pointer to storage for a oid variable
 * @param ipAddressPrefix_val_ptr_len_ptr
 *        Pointer to a size_t. On entry, it will contain the size (in bytes)
 *        pointed to by ipAddressPrefix.
 *        On exit, this value should contain the data size (in bytes).
 *
 * @retval MFD_SUCCESS         : success
 * @retval MFD_SKIP            : skip this node (no value for now)
 * @retval MFD_ERROR           : Any other error
*
 * @note If you need more than (*ipAddressPrefix_val_ptr_len_ptr) bytes of memory,
 *       allocate it using malloc() and update ipAddressPrefix_val_ptr_ptr.
 *       <b>DO NOT</b> free the previous pointer.
 *       The MFD helper will release the memory you allocate.
 *
 * @remark If you call this function yourself, you are responsible
 *         for checking if the pointer changed, and freeing any
 *         previously allocated memory. (Not necessary if you pass
 *         in a pointer to static memory, obviously.)
 */
int
ipAddressPrefix_get(ipAddressTable_rowreq_ctx * rowreq_ctx,
                    oid ** ipAddressPrefix_val_ptr_ptr,
                    size_t *ipAddressPrefix_val_ptr_len_ptr)
{
    oid            *src;
    int             len;

   /** we should have a non-NULL pointer and enough storage */
    netsnmp_assert((NULL != ipAddressPrefix_val_ptr_ptr)
                   && (NULL != *ipAddressPrefix_val_ptr_ptr));
    netsnmp_assert(NULL != ipAddressPrefix_val_ptr_len_ptr);


    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressPrefix_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * TODO:231:o: |-> Extract the current value of the ipAddressPrefix data.
     * set (* ipAddressPrefix_val_ptr_ptr ) and (* ipAddressPrefix_val_ptr_len_ptr ) from rowreq_ctx->data
     */
    if (NULL == rowreq_ctx->data->ia_prefix_oid) {
        src = nullOid;
        len = nullOidLen / sizeof(oid);
    } else {
        src = rowreq_ctx->data->ia_prefix_oid;
        len = rowreq_ctx->data->ia_prefix_oid_len;
    }
    if ((*ipAddressPrefix_val_ptr_len_ptr) < len) {
        (*ipAddressPrefix_val_ptr_ptr) =
            malloc(len * sizeof((*ipAddressPrefix_val_ptr_ptr)[0]));
        if (NULL == (*ipAddressPrefix_val_ptr_ptr)) {
            snmp_log(LOG_ERR, "could not allocate memory\n");
            return MFD_ERROR;
        }
    }
    (*ipAddressPrefix_val_ptr_len_ptr) = len;
    memcpy((*ipAddressPrefix_val_ptr_ptr), src,
           len * sizeof((*ipAddressPrefix_val_ptr_ptr)[0]));

    return MFD_SUCCESS;
}                               /* ipAddressPrefix_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressOrigin
 * ipAddressOrigin is subid 6 of ipAddressEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.4.34.1.6
 * Description:
The origin of the address.
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  1      hasdefval 0
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   0
 *
 * Enum range: 4/8. Values:  other(1), manual(2), dhcp(4), linklayer(5), random(6)
 *
 * Its syntax is IpAddressOriginTC (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 ipAddressOrigin data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ipAddressOrigin_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
ipAddressOrigin_get(ipAddressTable_rowreq_ctx * rowreq_ctx,
                    u_long * ipAddressOrigin_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ipAddressOrigin_val_ptr);


    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressOrigin_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ipAddressOrigin_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressStatus
 * ipAddressStatus is subid 7 of ipAddressEntry.
 * Its status is Current, and its access level is Create.
 * OID: .1.3.6.1.2.1.4.34.1.7
 * Description:
The status of the address, describing if the address can be
            used for communication.


            In the absence of other information, an IPv4 address is
            always preferred(1).
 *
 * Attributes:
 *   accessible 1     isscalar 0     enums  1      hasdefval 1
 *   readable   1     iscolumn 1     ranges 0      hashint   0
 *   settable   1
 *   defval: preferred
 *
 * Enum range: 5/8. Values:  preferred(1), invalid(3), inaccessible(4), unknown(5), tentative(6), duplicate(7)
 *
 * Its syntax is IpAddressStatusTC (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 ipAddressStatus data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ipAddressStatus_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
ipAddressStatus_get(ipAddressTable_rowreq_ctx * rowreq_ctx,
                    u_long * ipAddressStatus_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ipAddressStatus_val_ptr);


    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressStatus_get", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ipAddressStatus_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressCreated
 * ipAddressCreated is subid 8 of ipAddressEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.4.34.1.8
 * Description:
The value of sysUpTime at the time this entry was created.
            If this entry was created 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 TimeStamp (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 ipAddressCreated data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ipAddressCreated_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
ipAddressCreated_get(ipAddressTable_rowreq_ctx * rowreq_ctx,
                     u_long * ipAddressCreated_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ipAddressCreated_val_ptr);


    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressCreated_get",
                "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ipAddressCreated_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressLastChanged
 * ipAddressLastChanged is subid 9 of ipAddressEntry.
 * Its status is Current, and its access level is ReadOnly.
 * OID: .1.3.6.1.2.1.4.34.1.9
 * Description:
The value of sysUpTime at the time this entry was last
            updated.  If this entry was updated 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 TimeStamp (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 ipAddressLastChanged data.
 *
 * Set a value using the data context for the row.
 *
 * @param rowreq_ctx
 *        Pointer to the row request context.
 * @param ipAddressLastChanged_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
ipAddressLastChanged_get(ipAddressTable_rowreq_ctx * rowreq_ctx,
                         u_long * ipAddressLastChanged_val_ptr)
{
   /** we should have a non-NULL pointer */
    netsnmp_assert(NULL != ipAddressLastChanged_val_ptr);


    DEBUGMSGTL(("verbose:ipAddressTable:ipAddressLastChanged_get",
                "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

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

    return MFD_SUCCESS;
}                               /* ipAddressLastChanged_get */

/*---------------------------------------------------------------------
 * IP-MIB::ipAddressEntry.ipAddressRowStatus
 * ipAddressRowStatus is subid 10 of ipAddressEntry.
 * Its status is Current, and its access level is Create.
 * OID: .1.3.6.1.2.1.4.34.1.10
 * Description:
The status of this conceptual row.


            The RowStatus TC requires that this DESCRIPTION clause
            states under which circumstances other objects in this row