gosnmp

package module

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Versions in this module

v1

v1.44.0

Jul 16, 2026

v1.43.2

Jan 12, 2026

v1.43.1

Jan 5, 2026

v1.43.0

Jan 4, 2026

Changes in this version

type MockHandler

+ func (m *MockHandler) GetExponentialTimeout() bool

+ func (m *MockHandler) SetExponentialTimeout(value bool)

+ type MockHandlerMockRecorder struct

+ func (mr *MockHandlerMockRecorder) BulkWalk(rootOid, walkFn interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) BulkWalkAll(rootOid interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) Check(err interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) Close() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Community() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Connect() *gomock.Call

+ func (mr *MockHandlerMockRecorder) ConnectIPv4() *gomock.Call

+ func (mr *MockHandlerMockRecorder) ConnectIPv6() *gomock.Call

+ func (mr *MockHandlerMockRecorder) ContextEngineID() *gomock.Call

+ func (mr *MockHandlerMockRecorder) ContextName() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Get(oids interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) GetBulk(oids, nonRepeaters, maxRepetitions interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) GetExponentialTimeout() *gomock.Call

+ func (mr *MockHandlerMockRecorder) GetNext(oids interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) Logger() *gomock.Call

+ func (mr *MockHandlerMockRecorder) MaxOids() *gomock.Call

+ func (mr *MockHandlerMockRecorder) MaxRepetitions() *gomock.Call

+ func (mr *MockHandlerMockRecorder) MsgFlags() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Port() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Retries() *gomock.Call

+ func (mr *MockHandlerMockRecorder) SecurityModel() *gomock.Call

+ func (mr *MockHandlerMockRecorder) SecurityParameters() *gomock.Call

+ func (mr *MockHandlerMockRecorder) SendTrap(trap interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) Set(pdus interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetCommunity(community interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetContextEngineID(contextEngineID interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetContextName(contextName interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetExponentialTimeout(value interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetLogger(logger interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetMaxOids(maxOids interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetMaxRepetitions(maxRepetitions interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetMsgFlags(msgFlags interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetPort(port interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetRetries(retries interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetSecurityModel(securityModel interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetSecurityParameters(securityParameters interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetTarget(target interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetTimeout(timeout interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) SetVersion(version interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) Target() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Timeout() *gomock.Call

+ func (mr *MockHandlerMockRecorder) UnmarshalTrap(trap, useResponseSecurityParameters interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) Version() *gomock.Call

+ func (mr *MockHandlerMockRecorder) Walk(rootOid, walkFn interface{}) *gomock.Call

+ func (mr *MockHandlerMockRecorder) WalkAll(rootOid interface{}) *gomock.Call

v1.42.1

Jul 20, 2025

Changes in this version

type GoSNMP

+ func (x *GoSNMP) Close() error

v1.42.0

Jul 17, 2025

v1.41.0

Jun 4, 2025

Changes in this version

type TrapListener

+ func (t *TrapListener) WithBufferSize(i uint) *TrapListener

v1.40.0

Apr 15, 2025

v1.39.0

Mar 2, 2025

v1.38.0

Aug 7, 2024

Changes in this version

type GoSNMP

+ TrapSecurityParametersTable *SnmpV3SecurityParametersTable

+ type SnmpV3SecurityParametersTable struct

+ Logger Logger

+ func NewSnmpV3SecurityParametersTable(logger Logger) *SnmpV3SecurityParametersTable

+ func (spm *SnmpV3SecurityParametersTable) Add(key string, sp SnmpV3SecurityParameters) error

+ func (spm *SnmpV3SecurityParametersTable) Get(key string) ([]SnmpV3SecurityParameters, error)

v1.37.0

Nov 1, 2023

Changes in this version

+ func PasswordCaching(enable bool)

type GoSNMP

+ func (x *GoSNMP) MkSnmpPacket(pdutype PDUType, pdus []SnmpPDU, nonRepeaters uint8, maxRepetitions uint32) *SnmpPacket

type SnmpV3SecurityParameters

+ InitPacket func(packet *SnmpPacket) error

+ InitSecurityKeys func() error

type TrapListener

+ CloseTimeout time.Duration

type UsmSecurityParameters

+ func (sp *UsmSecurityParameters) InitPacket(packet *SnmpPacket) error

+ func (sp *UsmSecurityParameters) InitSecurityKeys() error

v1.36.1

Sep 5, 2023

Changes in this version

+ var ErrFloatBufferTooShort = errors.New("float buffer too short")

v1.36.0

Aug 28, 2023

Changes in this version

type PDUType

+ func (i PDUType) String() string

type SnmpPacket

+ func (packet *SnmpPacket) SafeString() string

type SnmpV3MsgFlags

+ func (i SnmpV3MsgFlags) String() string

type SnmpV3SecurityModel

+ func (i SnmpV3SecurityModel) String() string

type SnmpV3SecurityParameters

+ SafeString func() string

type UsmSecurityParameters

+ func (sp *UsmSecurityParameters) SafeString() string

v1.35.0

May 23, 2022

Changes in this version

type GoSNMP

+ Control func(network, address string, c syscall.RawConn) error

type TrapListener

+ func (t *TrapListener) SendUDP(packet *SnmpPacket, addr *net.UDPAddr) error

v1.34.0

Nov 17, 2021

Changes in this version

+ const AsnContext

+ const AsnExtensionTag

+ var ErrZeroLenInteger = errors.New("zero length integer")

v1.33.0

Oct 19, 2021

Changes in this version

+ var ErrBase128IntegerTooLarge = errors.New("base 128 integer too large")

+ var ErrBase128IntegerTruncated = errors.New("base 128 integer truncated")

+ var ErrFloatTooLarge = errors.New("float too large")

+ var ErrIntegerTooLarge = errors.New("integer too large")

+ var ErrInvalidOidLength = errors.New("invalid OID length")

+ var ErrInvalidPacketLength = errors.New("invalid packet length")

+ var ErrZeroByteBuffer = errors.New("zero byte buffer")

type GoSNMP

+ LocalAddr string

v1.32.0

May 13, 2021

Changes in this version

+ const MaxObjectSubIdentifierValue

+ var ErrInvalidMsgs = errors.New("invalid messages")

+ var ErrUnknownPDUHandlers = errors.New("unknown pdu handlers")

+ var ErrUnknownSecurityModels = errors.New("unknown security models")

type Logger

+ func NewLogger(logger LoggerInterface) Logger

+ type LoggerInterface interface

+ Print func(v ...interface{})

+ Printf func(format string, v ...interface{})

v1.31.0

Apr 5, 2021

Changes in this version

+ var ErrDecryption = errors.New("decryption error")

+ var ErrNotInTimeWindow = errors.New("not in time window")

+ var ErrUnknownEngineID = errors.New("unknown engine id")

+ var ErrUnknownReportPDU = errors.New("unknown report pdu")

+ var ErrUnknownSecurityLevel = errors.New("unknown security level")

+ var ErrUnknownUsername = errors.New("unknown username")

+ var ErrWrongDigest = errors.New("wrong digest")

v1.30.0

Feb 20, 2021

Changes in this version

type GoSNMP

+ OnFinish func(*GoSNMP)

+ OnRecv func(*GoSNMP)

+ OnRetry func(*GoSNMP)

+ OnSent func(*GoSNMP)

+ PreSend func(*GoSNMP)

+ UseUnconnectedUDPSocket bool

v1.29.0

Dec 7, 2020

v1.28.0

Oct 15, 2020

Changes in this version

type Asn1BER

+ func (i Asn1BER) String() string

type GoSNMP

+ AppOpts map[string]interface{}

+ Context context.Context

+ Transport string

type SNMPError

+ func (i SNMPError) String() string

type SnmpTrap

+ IsInform bool

type SnmpV3AuthProtocol

+ const SHA224

+ const SHA256

+ const SHA384

+ const SHA512

+ func (authProtocol SnmpV3AuthProtocol) HashType() crypto.Hash

+ func (authProtocol SnmpV3AuthProtocol) String() string

type SnmpV3PrivProtocol

+ const AES192

+ const AES192C

+ const AES256

+ const AES256C

+ func (i SnmpV3PrivProtocol) String() string

type SnmpV3SecurityParameters

+ Description func() string

+ type TrapHandlerFunc func(s *SnmpPacket, u *net.UDPAddr)

type UsmSecurityParameters

+ PrivacyKey []byte

+ SecretKey []byte

+ func (sp *UsmSecurityParameters) Description() string

v1.17.0

Nov 10, 2018

Changes in this version

+ const AsnExtensionID

+ const BitString

+ const Boolean

+ const Counter32

+ const Counter64

+ const EndOfContents

+ const EndOfMibView

+ const Gauge32

+ const IPAddress

+ const Integer

+ const MaxOids

+ const NoSuchInstance

+ const NoSuchObject

+ const NsapAddress

+ const Null

+ const ObjectDescription

+ const ObjectIdentifier

+ const OctetString

+ const Opaque

+ const OpaqueDouble

+ const OpaqueFloat

+ const TimeTicks

+ const Uinteger32

+ const UnknownType

+ var Default = &GoSNMP

+ func Check(err error)

+ func Partition(currentPosition, partitionSize, sliceLength int) bool

+ func ToBigInt(value interface{}) *big.Int

+ type Asn1BER byte

+ type BitStringValue struct

+ BitLength int

+ Bytes []byte

+ func (b BitStringValue) At(i int) int

+ func (b BitStringValue) RightAlign() []byte

+ type GoSNMP struct

+ Community string

+ Conn net.Conn

+ ContextEngineID string

+ ContextName string

+ ExponentialTimeout bool

+ Logger Logger

+ MaxOids int

+ MaxRepetitions uint8

+ MsgFlags SnmpV3MsgFlags

+ NonRepeaters int

+ Port uint16

+ Retries int

+ SecurityModel SnmpV3SecurityModel

+ SecurityParameters SnmpV3SecurityParameters

+ Target string

+ Timeout time.Duration

+ Version SnmpVersion

+ func (x *GoSNMP) BulkWalk(rootOid string, walkFn WalkFunc) error

+ func (x *GoSNMP) BulkWalkAll(rootOid string) (results []SnmpPDU, err error)

+ func (x *GoSNMP) Check(err error)

+ func (x *GoSNMP) Connect() error

+ func (x *GoSNMP) ConnectIPv4() error

+ func (x *GoSNMP) ConnectIPv6() error

+ func (x *GoSNMP) Get(oids []string) (result *SnmpPacket, err error)

+ func (x *GoSNMP) GetBulk(oids []string, nonRepeaters uint8, maxRepetitions uint8) (result *SnmpPacket, err error)

+ func (x *GoSNMP) GetNext(oids []string) (result *SnmpPacket, err error)

+ func (x *GoSNMP) SendTrap(trap SnmpTrap) (result *SnmpPacket, err error)

+ func (x *GoSNMP) Set(pdus []SnmpPDU) (result *SnmpPacket, err error)

+ func (x *GoSNMP) SetMsgID(msgID uint32)

+ func (x *GoSNMP) SetRequestID(reqID uint32)

+ func (x *GoSNMP) SnmpDecodePacket(resp []byte) (*SnmpPacket, error)

+ func (x *GoSNMP) SnmpEncodePacket(pdutype PDUType, pdus []SnmpPDU, nonRepeaters uint8, maxRepetitions uint8) ([]byte, error)

+ func (x *GoSNMP) UnmarshalTrap(trap []byte) (result *SnmpPacket)

+ func (x *GoSNMP) Walk(rootOid string, walkFn WalkFunc) error

+ func (x *GoSNMP) WalkAll(rootOid string) (results []SnmpPDU, err error)

+ type Handler interface

+ BulkWalk func(rootOid string, walkFn WalkFunc) error

+ BulkWalkAll func(rootOid string) (results []SnmpPDU, err error)

+ Check func(err error)

+ Close func() error

+ Community func() string

+ Connect func() error

+ ConnectIPv4 func() error

+ ConnectIPv6 func() error

+ ContextEngineID func() string

+ ContextName func() string

+ Get func(oids []string) (result *SnmpPacket, err error)

+ GetBulk func(oids []string, nonRepeaters uint8, maxRepetitions uint8) (result *SnmpPacket, err error)

+ GetExponentialTimeout func() bool

+ GetNext func(oids []string) (result *SnmpPacket, err error)

+ Logger func() Logger

+ MaxOids func() int

+ MaxRepetitions func() uint8

+ MsgFlags func() SnmpV3MsgFlags

+ NonRepeaters func() int

+ Port func() uint16

+ Retries func() int

+ SecurityModel func() SnmpV3SecurityModel

+ SecurityParameters func() SnmpV3SecurityParameters

+ SendTrap func(trap SnmpTrap) (result *SnmpPacket, err error)

+ Set func(pdus []SnmpPDU) (result *SnmpPacket, err error)

+ SetCommunity func(community string)

+ SetContextEngineID func(contextEngineID string)

+ SetContextName func(contextName string)

+ SetExponentialTimeout func(value bool)

+ SetLogger func(logger Logger)

+ SetMaxOids func(maxOids int)

+ SetMaxRepetitions func(maxRepetitions uint8)

+ SetMsgFlags func(msgFlags SnmpV3MsgFlags)

+ SetNonRepeaters func(nonRepeaters int)

+ SetPort func(port uint16)

+ SetRetries func(retries int)

+ SetSecurityModel func(securityModel SnmpV3SecurityModel)

+ SetSecurityParameters func(securityParameters SnmpV3SecurityParameters)

+ SetTarget func(target string)

+ SetTimeout func(timeout time.Duration)

+ SetVersion func(version SnmpVersion)

+ Target func() string

+ Timeout func() time.Duration

+ UnmarshalTrap func(trap []byte) (result *SnmpPacket)

+ Version func() SnmpVersion

+ Walk func(rootOid string, walkFn WalkFunc) error

+ WalkAll func(rootOid string) (results []SnmpPDU, err error)

+ func NewHandler() Handler

+ type Logger interface

+ Print func(v ...interface{})

+ Printf func(format string, v ...interface{})

+ type MockHandler struct

+ func NewMockHandler(ctrl *gomock.Controller) *MockHandler

+ func (_m *MockHandler) BulkWalk(rootOid string, walkFn WalkFunc) error

+ func (_m *MockHandler) BulkWalkAll(rootOid string) ([]SnmpPDU, error)

+ func (_m *MockHandler) Check(err error)

+ func (_m *MockHandler) Close() error

+ func (_m *MockHandler) Community() string

+ func (_m *MockHandler) Connect() error

+ func (_m *MockHandler) ConnectIPv4() error

+ func (_m *MockHandler) ConnectIPv6() error

+ func (_m *MockHandler) ContextEngineID() string

+ func (_m *MockHandler) ContextName() string

+ func (_m *MockHandler) EXPECT() *_MockHandlerRecorder

+ func (_m *MockHandler) Get(oids []string) (*SnmpPacket, error)

+ func (_m *MockHandler) GetBulk(oids []string, nonRepeaters uint8, maxRepetitions uint8) (*SnmpPacket, error)

+ func (_m *MockHandler) GetNext(oids []string) (*SnmpPacket, error)

+ func (_m *MockHandler) Logger() Logger

+ func (_m *MockHandler) MaxOids() int

+ func (_m *MockHandler) MaxRepetitions() uint8

+ func (_m *MockHandler) MsgFlags() SnmpV3MsgFlags

+ func (_m *MockHandler) NonRepeaters() int

+ func (_m *MockHandler) Port() uint16

+ func (_m *MockHandler) Retries() int

+ func (_m *MockHandler) SecurityModel() SnmpV3SecurityModel

+ func (_m *MockHandler) SecurityParameters() SnmpV3SecurityParameters

+ func (_m *MockHandler) SendTrap(trap SnmpTrap) (*SnmpPacket, error)

+ func (_m *MockHandler) Set(pdus []SnmpPDU) (*SnmpPacket, error)

+ func (_m *MockHandler) SetCommunity(community string)

+ func (_m *MockHandler) SetContextEngineID(contextEngineID string)

+ func (_m *MockHandler) SetContextName(contextName string)

+ func (_m *MockHandler) SetLogger(logger Logger)

+ func (_m *MockHandler) SetMaxOids(maxOids int)

+ func (_m *MockHandler) SetMaxRepetitions(maxRepetitions uint8)

+ func (_m *MockHandler) SetMsgFlags(msgFlags SnmpV3MsgFlags)

+ func (_m *MockHandler) SetNonRepeaters(nonRepeaters int)

+ func (_m *MockHandler) SetPort(port uint16)

+ func (_m *MockHandler) SetRetries(retries int)

+ func (_m *MockHandler) SetSecurityModel(securityModel SnmpV3SecurityModel)

+ func (_m *MockHandler) SetSecurityParameters(securityParameters SnmpV3SecurityParameters)

+ func (_m *MockHandler) SetTarget(target string)

+ func (_m *MockHandler) SetTimeout(timeout time.Duration)

+ func (_m *MockHandler) SetVersion(version SnmpVersion)

+ func (_m *MockHandler) Target() string

+ func (_m *MockHandler) Timeout() time.Duration

+ func (_m *MockHandler) UnmarshalTrap(trap []byte) *SnmpPacket

+ func (_m *MockHandler) Version() SnmpVersion

+ func (_m *MockHandler) Walk(rootOid string, walkFn WalkFunc) error

+ func (_m *MockHandler) WalkAll(rootOid string) ([]SnmpPDU, error)

+ type PDUType byte

+ const GetBulkRequest

+ const GetNextRequest

+ const GetRequest

+ const GetResponse

+ const InformRequest

+ const Report

+ const SNMPv2Trap

+ const Sequence

+ const SetRequest

+ const Trap

+ type SNMPError uint8

+ const AuthorizationError

+ const BadValue

+ const CommitFailed

+ const GenErr

+ const InconsistentName

+ const InconsistentValue

+ const NoAccess

+ const NoCreation

+ const NoError

+ const NoSuchName

+ const NotWritable

+ const ReadOnly

+ const ResourceUnavailable

+ const TooBig

+ const UndoFailed

+ const WrongEncoding

+ const WrongLength

+ const WrongType

+ const WrongValue

+ type SnmpPDU struct

+ Logger Logger

+ Name string

+ Type Asn1BER

+ Value interface{}

+ func (p *SnmpPDU) Check(err error)

+ type SnmpPacket struct

+ Community string

+ ContextEngineID string

+ ContextName string

+ Error SNMPError

+ ErrorIndex uint8

+ Logger Logger

+ MaxRepetitions uint8

+ MsgFlags SnmpV3MsgFlags

+ MsgID uint32

+ MsgMaxSize uint32

+ NonRepeaters uint8

+ PDUType PDUType

+ RequestID uint32

+ SecurityModel SnmpV3SecurityModel

+ SecurityParameters SnmpV3SecurityParameters

+ Variables []SnmpPDU

+ Version SnmpVersion

+ func (p *SnmpPacket) Check(err error)

+ func (packet *SnmpPacket) MarshalMsg() ([]byte, error)

+ type SnmpTrap struct

+ AgentAddress string

+ Enterprise string

+ GenericTrap int

+ SpecificTrap int

+ Timestamp uint

+ Variables []SnmpPDU

+ type SnmpV3AuthProtocol uint8

+ const MD5

+ const NoAuth

+ const SHA

+ type SnmpV3MsgFlags uint8

+ const AuthNoPriv

+ const AuthPriv

+ const NoAuthNoPriv

+ const Reportable

+ type SnmpV3PrivProtocol uint8

+ const AES

+ const DES

+ const NoPriv

+ type SnmpV3SecurityModel uint8

+ const UserSecurityModel

+ type SnmpV3SecurityParameters interface

+ Copy func() SnmpV3SecurityParameters

+ Log func()

+ type SnmpVersion uint8

+ const Version1

+ const Version2c

+ const Version3

+ func (s SnmpVersion) String() string

+ type TrapListener struct

+ OnNewTrap func(s *SnmpPacket, u *net.UDPAddr)

+ Params *GoSNMP

+ func NewTrapListener() *TrapListener

+ func (t *TrapListener) Close()

+ func (t *TrapListener) Listen(addr string) (err error)

+ func (t *TrapListener) Listening() <-chan bool

+ type UsmSecurityParameters struct

+ AuthenticationParameters string

+ AuthenticationPassphrase string

+ AuthenticationProtocol SnmpV3AuthProtocol

+ AuthoritativeEngineBoots uint32

+ AuthoritativeEngineID string

+ AuthoritativeEngineTime uint32

+ Logger Logger

+ PrivacyParameters []byte

+ PrivacyPassphrase string

+ PrivacyProtocol SnmpV3PrivProtocol

+ UserName string

+ func (sp *UsmSecurityParameters) Copy() SnmpV3SecurityParameters

+ func (sp *UsmSecurityParameters) Log()

+ type VarBind struct

+ Name asn1.ObjectIdentifier

+ Value asn1.RawValue

+ type WalkFunc func(dataUnit SnmpPDU) error

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