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|
PDUs DEFINITIONS ::=
-- Search for 'org' to find changes for erlang.
-- SnmpMgmtCom and PDUs only for dbg.
BEGIN
EXPORTS SnmpPrivMsg, SnmpAuthMsg, SnmpMgmtCom, PDUs;
-- From RFC 1442
-- names of objects
ObjectName ::=
OBJECT IDENTIFIER
-- syntax of objects
ObjectSyntax ::=
CHOICE {
simple
SimpleSyntax,
-- note that SEQUENCEs for conceptual tables and
-- rows are not mentioned here...
applicationWide
ApplicationSyntax
}
-- built-in ASN.1 types
SimpleSyntax ::=
CHOICE {
-- INTEGERs with a more restrictive range
-- may also be used
integerValue
INTEGER,
stringValue
OCTET STRING,
objectIDValue
OBJECT IDENTIFIER,
-- only the enumerated form is allowed
bitValue
BIT STRING
}
-- indistinguishable from INTEGER, but never needs more than
-- 32Bits for a two's complement representation
Integer32 ::=
[UNIVERSAL 2]
IMPLICIT INTEGER (-2147483648..2147483647)
-- applicationWide types
ApplicationSyntax ::=
CHOICE {
ipAddressValue
IpAddress,
counterValue
Counter32,
gaugeValue
Gauge32,
timeticksValue
TimeTicks,
arbitraryValue
Opaque,
nsapAddressValue
NsapAddress,
bigCounterValue
Counter64,
unsignedIntegerValue
UInteger32
}
-- in networkByte order
-- (this is a tagged type for historical reasons)
IpAddress ::=
[APPLICATION 0]
IMPLICIT OCTET STRING (SIZE (4))
-- this wraps
Counter32 ::=
[APPLICATION 1]
IMPLICIT INTEGER (0..4294967295)
-- this doesn't wrap
Gauge32 ::=
[APPLICATION 2]
IMPLICIT INTEGER (0..4294967295)
-- hundredths of seconds since an epoch
TimeTicks ::=
[APPLICATION 3]
IMPLICIT INTEGER (0..4294967295)
-- for backwardCompatibility only
Opaque ::=
[APPLICATION 4]
IMPLICIT OCTET STRING
-- for OSI NSAP addresses
-- (this is a tagged type for historical reasons)
NsapAddress ::=
[APPLICATION 5]
-- org: IMPLICIT OCTET STRING (SIZE (1 | 4..21))
IMPLICIT OCTET STRING
-- for counters that wrap in less than one hour with only 32 bits
Counter64 ::=
[APPLICATION 6]
IMPLICIT INTEGER (0..18446744073709551615)
-- an unsigned 32Bit quantity
UInteger32 ::=
[APPLICATION 7]
IMPLICIT INTEGER (0..4294967295)
-- From RFC 1445
SnmpPrivMsg ::= [1] IMPLICIT SEQUENCE {
privDst
OBJECT IDENTIFIER,
privData
[1] IMPLICIT OCTET STRING
}
SnmpAuthMsg ::= [1] IMPLICIT SEQUENCE {
authInfo
ANY, -- defined by authentication protocol
authData
SnmpMgmtCom
}
SnmpMgmtCom ::= [2] IMPLICIT SEQUENCE {
dstParty
OBJECT IDENTIFIER,
srcParty
OBJECT IDENTIFIER,
context
OBJECT IDENTIFIER,
pdu
PDUs
}
-- From RFC 1448
-- org: no tag at all. we need a tag to test 'PDUs'.
PDUs ::= [PRIVATE 1]
-- remove tag when 'PDUs' only is used in another type.
CHOICE {
getRequest
GetRequestPdu,
getNextRequest
GetNextRequestPdu,
getBulkRequest
GetBulkRequestPdu,
response
ResponsePdu,
setRequest
SetRequestPdu,
informRequest
InformRequestPdu,
snmpV2Trap
SNMPv2TrapPdu
}
-- PDUs
GetRequestPdu ::=
[0]
IMPLICIT PDU
GetNextRequestPdu ::=
[1]
IMPLICIT PDU
ResponsePdu ::=
[2]
IMPLICIT PDU
SetRequestPdu ::=
[3]
IMPLICIT PDU
-- [4] is obsolete
GetBulkRequestPdu ::=
[5]
IMPLICIT BulkPDU
InformRequestPdu ::=
[6]
IMPLICIT PDU
SNMPv2TrapPdu ::=
[7]
IMPLICIT PDU
maxBindings
INTEGER ::= 2147483647
PDU ::=
SEQUENCE {
requestId
Integer32,
errorStatus -- sometimes ignored
INTEGER {
noError(0),
tooBig(1),
noSuchName(2), -- for proxy compatibility
badValue(3), -- for proxy compatibility
readOnly(4), -- for proxy compatibility
genErr(5),
noAccess(6),
wrongType(7),
wrongLength(8),
wrongEncoding(9),
wrongValue(10),
noCreation(11),
inconsistentValue(12),
resourceUnavailable(13),
commitFailed(14),
undoFailed(15),
authorizationError(16),
notWritable(17),
inconsistentName(18)
},
errorIndex -- sometimes ignored
INTEGER (0..maxBindings),
variableBindings -- values are sometimes ignored
VarBindList
}
BulkPDU ::= -- MUST be identical in
SEQUENCE { -- structure to PDU
requestId
Integer32,
nonRepeaters
INTEGER (0..maxBindings),
maxRepetitions
INTEGER (0..maxBindings),
variableBindings -- values are ignored
VarBindList
}
VarBind ::=
SEQUENCE {
name
ObjectName,
data CHOICE {
value
ObjectSyntax,
unSpecified -- in retrieval requests
NULL,
-- exceptions in responses
noSuchObject[0]
IMPLICIT NULL,
noSuchInstance[1]
IMPLICIT NULL,
endOfMibView[2]
IMPLICIT NULL
}
}
-- variableBinding list
VarBindList ::=
SEQUENCE OF VarBind
-- org:
-- VarBindList ::=
-- SEQUENCE (SIZE (0..maxBindings)) OF
-- VarBind
END
|
