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AsnAny

The AsnAny structure contains an SNMP variable type and value. This structure is a member of the RFC1157VarBind structure that is used as a parameter in many of the SNMP functions.

typedef struct {
BYTE asnType;
union {
// RFC 1155 SimpleSyntax (subset of ISO ASN.1)
AsnInteger number;
AsnOctetString string;
AsnObjectIdentifier object;

// ISO ASN.1
AsnSequence sequence;

// RFC 1155 ApplicationSyntax
AsnIPAddress address;
AsnCounter counter;
AsnGauge gauge;
AsnTimeticks ticks;
AsnOpaque arbitrary;
} asnValue;
} AsnAny;

Members

asnType

Indicates the variable's type. This member can be only one of the following values:

Value
Meaning
Printed as
ASN_INTEGER
Indicates an integer variable.
%ld(long)
ASN_OCTETSTRING
Indicates an octet string variable.
putchar <oct>
ASN_OBJECTIDENTIFIER
Indicates an object identifier variable.
.1.2.3.4
ASN_SEQUENCE
Indicates an ASN sequence variable.
ASN_OCTET STRING
ASN_RFC1155_IPADDRESS
Indicates an IP address variable.
157.578.160
ASN_RFC1155_COUNTER
Indicates a counter variable.
%lu (unsigned log)
ASN_RFC1155_GAUGE
Indicates a gauge variable.
%lu (unsigned log)
ASN_RFC1155_TIMETICKS
Indicates a timeticks variable.
%lu (unsigned log)
ASN_RFC1155_OPAQUE
Indicates an opaque variable.
0x5 ox3 ox
ASN_RFC1213_DISPSTRING
Indicates a display string variable.
ASN_OCTET STRING

asnValue

Contains the variable's value. This member can be only one of the following:

Value
Meaning
number
Accesses an integer variable
string
Accesses an octet string variable
object
Accesses an object identifier variable
sequence
Accesses an ASN sequence variable
address
Accesses an IP address variable
counter
Accesses a counter variable
gauge
Accesses a gauge variable
ticks
Accesses a timeticks variable
arbitrary
Accesses an opaque variable

For more information, see RFC 1155.

See Also

RFC1157VarBind


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