ndn

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 Go to latest Published: May 28, 2021 License: MIT Imports: 18 Imported by: 0

README

Go Forwarder Library for YaNFD

This library implements the Named Data Networking packet format for with with the YaNFD forwarder.

Features Implemented and Planned

TLV
  • TLV encoding and decoding
Network Packets
  • Congestion marking
  • Data
  • Interest
  • Link Object (planned)
  • Names
  • Signatures
    • Data signatures
    • Signed Interests (planned)
  • NDNLPv2
    • Encoding and decoding
Security (tentative)
  • Certificates (planned)
  • Encryption and Decryption (not currently planned)
  • Signing/Validation (in progress)
    • SHA256
    • SHA256-RSA (planned)
    • SHA256-ECDSA (planned)
    • HMAC-SHA256 (planned)
  • Trust schemas (not currently planned)

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type BaseNameComponent 

type BaseNameComponent struct {
	// contains filtered or unexported fields
}

BaseNameComponent represents a name component without a specialized type.

func NewBaseNameComponent 

func NewBaseNameComponent(tlvType uint16, value []byte) *BaseNameComponent

NewBaseNameComponent creates a name component of an arbitrary type.

func (*BaseNameComponent) DeepCopy 

func (n *BaseNameComponent) DeepCopy() NameComponent

DeepCopy makes a deep copy of the name component.

func (*BaseNameComponent) Encode 

func (n *BaseNameComponent) Encode() *tlv.Block

Encode encodes the name component into a block.

func (*BaseNameComponent) Equals 

func (n *BaseNameComponent) Equals(other NameComponent) bool

Equals returns whether the two name components match.

func (*BaseNameComponent) String 

func (n *BaseNameComponent) String() string

func (*BaseNameComponent) Type 

func (n *BaseNameComponent) Type() uint16

Type returns the TLV type of the name component.

func (*BaseNameComponent) Value 

func (n *BaseNameComponent) Value() []byte

Value returns the TLV value of the name component.

type ByteOffsetNameComponent 

type ByteOffsetNameComponent struct {
	BaseNameComponent
	// contains filtered or unexported fields
}

ByteOffsetNameComponent is a component containing a byte offset.

func DecodeByteOffsetNameComponent 

func DecodeByteOffsetNameComponent(value []byte) *ByteOffsetNameComponent

DecodeByteOffsetNameComponent decodes a ByteOffsetNameComponent from a TLV wire value.

func NewByteOffsetNameComponent 

func NewByteOffsetNameComponent(value uint64) *ByteOffsetNameComponent

NewByteOffsetNameComponent creates a new ByteOffsetNameComponent.

func (*ByteOffsetNameComponent) DeepCopy 

func (n *ByteOffsetNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*ByteOffsetNameComponent) SetValue 

func (n *ByteOffsetNameComponent) SetValue(value uint64)

SetValue sets the value of a ByteOffsetNameComponent.

func (*ByteOffsetNameComponent) String 

func (n *ByteOffsetNameComponent) String() string

type Data 

type Data struct {
	// contains filtered or unexported fields
}

Data represents an NDN Data packet.

func DecodeData 

func DecodeData(wire *tlv.Block, shouldValidateSignature bool) (*Data, error)

DecodeData decodes a Data packet from the wire.

func NewData 

func NewData(name *Name, content []byte) *Data

NewData creates a new Data packet with the given name and content.

func (*Data) Content 

func (d *Data) Content() []byte

Content returns a copy of the content in the Data packet.

func (*Data) Encode 

func (d *Data) Encode() (*tlv.Block, error)

Encode encodes the Data into a block.

func (*Data) HasWire 

func (d *Data) HasWire() bool

HasWire returns whether the Data packet has an existing valid wire encoding.

func (*Data) MetaInfo 

func (d *Data) MetaInfo() *MetaInfo

MetaInfo returns the MetaInfo of the Data packet.

func (*Data) Name 

func (d *Data) Name() *Name

Name returns the name of the Data packet.

func (*Data) PitToken 

func (d *Data) PitToken() int

PitToken returns the PIT token attached to the Data (if any).

func (*Data) SetContent 

func (d *Data) SetContent(content []byte)

SetContent sets the content of the Data packet.

func (*Data) SetMetaInfo 

func (d *Data) SetMetaInfo(metaInfo *MetaInfo)

SetMetaInfo sets the MetaInfo of the Data packet.

func (*Data) SetName 

func (d *Data) SetName(name *Name)

SetName sets the name of the Data packet.

func (*Data) SetPitToken 

func (d *Data) SetPitToken(pitToken int)

SetPitToken sets the PIT token attached to the Data.

func (*Data) SetSignatureInfo 

func (d *Data) SetSignatureInfo(sigInfo *SignatureInfo)

SetSignatureInfo sets the SignatureInfo in the Data packet.

func (*Data) ShouldValidateSignature 

func (d *Data) ShouldValidateSignature() bool

ShouldValidateSignature returns whether signature validation is enabled for this Data.

func (*Data) SignatureInfo 

func (d *Data) SignatureInfo() *SignatureInfo

SignatureInfo returns a copy of the SignatureInfo in the Data packet.

func (*Data) SignatureValue 

func (d *Data) SignatureValue() []byte

SignatureValue returns a copy of the SignatureValue in the Data packet. If the signature has not yet been calculated,

func (*Data) String 

func (d *Data) String() string

type Delegation 

type Delegation struct {
	// contains filtered or unexported fields
}

Delegation contains a Link Object delegation.

func DecodeDelegation 

func DecodeDelegation(wire *tlv.Block) (*Delegation, error)

DecodeDelegation decodes a delegation from the wire.

func NewDelegation 

func NewDelegation(preference uint64, name *Name) (*Delegation, error)

NewDelegation creates a new delegation.

func (*Delegation) Encode 

func (d *Delegation) Encode() *tlv.Block

Encode encodes the delegation into a block.

func (*Delegation) Name 

func (d *Delegation) Name() *Name

Name returns a copy of the name set in the delegation.

func (*Delegation) Preference 

func (d *Delegation) Preference() uint64

Preference returns the preference set in the delegation.

func (*Delegation) SetName 

func (d *Delegation) SetName(name *Name)

SetName sets the name in the delegation.

func (*Delegation) SetPreference 

func (d *Delegation) SetPreference(preference uint64)

SetPreference sets the preference in the delegation.

func (*Delegation) String 

func (d *Delegation) String() string

type GenericNameComponent 

type GenericNameComponent struct {
	BaseNameComponent
}

GenericNameComponent represents a generic NDN name component.

func NewGenericNameComponent 

func NewGenericNameComponent(value []byte) *GenericNameComponent

NewGenericNameComponent creates a new GenericNameComponent.

func (*GenericNameComponent) DeepCopy 

func (n *GenericNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*GenericNameComponent) SetValue 

func (n *GenericNameComponent) SetValue(value []byte)

SetValue sets the value of a GenericNameComponent.

func (*GenericNameComponent) String 

func (n *GenericNameComponent) String() string

type ImplicitSha256DigestComponent 

type ImplicitSha256DigestComponent struct {
	BaseNameComponent
}

ImplicitSha256DigestComponent represents an implicit SHA-256 digest component.

func NewImplicitSha256DigestComponent 

func NewImplicitSha256DigestComponent(value []byte) *ImplicitSha256DigestComponent

NewImplicitSha256DigestComponent creates a new ImplicitSha256DigestComponent.

func (*ImplicitSha256DigestComponent) DeepCopy 

func (n *ImplicitSha256DigestComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*ImplicitSha256DigestComponent) SetValue 

func (n *ImplicitSha256DigestComponent) SetValue(value []byte) error

SetValue sets the value of an ImplicitSha256DigestComponent.

func (*ImplicitSha256DigestComponent) String 

func (n *ImplicitSha256DigestComponent) String() string

type Interest 

type Interest struct {
	// contains filtered or unexported fields
}

Interest represents an NDN Interest packet.

func DecodeInterest 

func DecodeInterest(wire *tlv.Block) (*Interest, error)

DecodeInterest decodes an Interest from the wire.

func NewInterest 

func NewInterest(name *Name) *Interest

NewInterest creates a new Interest with the specified name and default values.

func (*Interest) AppendApplicationParameter 

func (i *Interest) AppendApplicationParameter(block *tlv.Block)

AppendApplicationParameter appends an application parameter to the Interest. If not already present (or the type of the parameter block specified), it adds an empty ApplicationParameters block before appending this block.

func (*Interest) AppendForwardingHint 

func (i *Interest) AppendForwardingHint(delegation *Delegation)

AppendForwardingHint appends a delegation to the ForwardingHint in the Interest.

func (*Interest) ApplicationParameters 

func (i *Interest) ApplicationParameters() []tlv.Block

ApplicationParameters returns a copy of the application parameters of the Interest.

func (*Interest) CanBePrefix 

func (i *Interest) CanBePrefix() bool

CanBePrefix returns whether the Interest can be satisfied by a Data packet whos name the Interest name is a prefix of.

func (*Interest) ClearApplicationParameters 

func (i *Interest) ClearApplicationParameters()

ClearApplicationParameters clears all ApplicationParameters from the Interest.

func (*Interest) ClearForwardingHints 

func (i *Interest) ClearForwardingHints()

ClearForwardingHints removes all forwarding hints attached to the Interest.

func (*Interest) Encode 

func (i *Interest) Encode() (*tlv.Block, error)

Encode encodes the data into a block.

func (*Interest) EraseForwardingHint 

func (i *Interest) EraseForwardingHint(index int) error

EraseForwardingHint removes the forwarding hint at the specified index from the Interest.

func (*Interest) ForwardingHint 

func (i *Interest) ForwardingHint() []Delegation

ForwardingHint returns a copy of the delegations in the ForwardingHint in the Interest.

func (*Interest) HasWire 

func (i *Interest) HasWire() bool

HasWire returns whether a wire encoding exists for the Interest.

func (*Interest) HopLimit 

func (i *Interest) HopLimit() *uint8

HopLimit returns the hop limit of the Interest or nil if no hop limit is set.

func (*Interest) Lifetime 

func (i *Interest) Lifetime() time.Duration

Lifetime returns the lifetime of the Interest.

func (*Interest) MustBeFresh 

func (i *Interest) MustBeFresh() bool

MustBeFresh returns whether the Interest can only be satisfied by "fresh" Data packets.

func (*Interest) Name 

func (i *Interest) Name() *Name

Name returns the name of the Interest.

func (*Interest) Nonce 

func (i *Interest) Nonce() []byte

Nonce gets the nonce of the Interest.

func (*Interest) ResetNonce 

func (i *Interest) ResetNonce()

ResetNonce regenerates the value of the nonce.

func (*Interest) SetCanBePrefix 

func (i *Interest) SetCanBePrefix(canBePrefix bool)

SetCanBePrefix sets whether the Interest can be satisfied by a Data packet whos name the Interest name is a prefix of.

func (*Interest) SetHopLimit 

func (i *Interest) SetHopLimit(hopLimit uint8)

SetHopLimit sets the hop limit of the Interest.

func (*Interest) SetLifetime 

func (i *Interest) SetLifetime(lifetime time.Duration)

SetLifetime set the lifetime of the Interest.

func (*Interest) SetMustBeFresh 

func (i *Interest) SetMustBeFresh(mustBeFresh bool)

SetMustBeFresh sets whether the Interest can only be satisfied by "fresh" Data packets.

func (*Interest) SetName 

func (i *Interest) SetName(name *Name)

SetName sets the name of the Interest.

func (*Interest) SetNonce 

func (i *Interest) SetNonce(nonce []byte) error

SetNonce sets the nonce to the specified value. If not exactly 4 bytes, an error is returned.

func (*Interest) String 

func (i *Interest) String() string

func (*Interest) UnsetHopLimit 

func (i *Interest) UnsetHopLimit()

UnsetHopLimit unsets the hop limit of the Interest.

type KeywordNameComponent 

type KeywordNameComponent struct {
	BaseNameComponent
}

KeywordNameComponent is a component containing a well-known keyword.

func NewKeywordNameComponent 

func NewKeywordNameComponent(value []byte) *KeywordNameComponent

NewKeywordNameComponent creates a new KeywordNameComponent.

func (*KeywordNameComponent) DeepCopy 

func (n *KeywordNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*KeywordNameComponent) SetValue 

func (n *KeywordNameComponent) SetValue(value []byte)

SetValue sets the value of a KeywordNameComponent.

func (*KeywordNameComponent) String 

func (n *KeywordNameComponent) String() string

type LinkObject 

type LinkObject struct {
	Data
}

LinkObject is a specialized Data packet containing delegation information.

type LinkType 

type LinkType int

LinkType indicates what type of link a face is. 

const (
	// PointToPoint is a face with one remote endpoint.
	PointToPoint LinkType = 0
	// MultiAccess is a face that communicates with a multicast group.
	MultiAccess LinkType = 1
	// AdHoc communicates on a wireless ad-hoc network.
	AdHoc LinkType = 2
)

type MetaInfo 

type MetaInfo struct {
	// contains filtered or unexported fields
}

MetaInfo represents the MetaInfo in a Data packet.

func DecodeMetaInfo 

func DecodeMetaInfo(wire *tlv.Block) (*MetaInfo, error)

DecodeMetaInfo decodes a MetaInfo from a block.

func NewMetaInfo 

func NewMetaInfo() *MetaInfo

NewMetaInfo creates a new MetaInfo structure.

func (*MetaInfo) ContentType 

func (m *MetaInfo) ContentType() *uint64

ContentType returns the ContentType set in the MetaInfo.

func (*MetaInfo) Encode 

func (m *MetaInfo) Encode() (*tlv.Block, error)

Encode encodes the MetaInfo into a block.

func (*MetaInfo) FinalBlockID 

func (m *MetaInfo) FinalBlockID() NameComponent

FinalBlockID returns the FinalBlockId set in the MetaInfo.

func (*MetaInfo) FreshnessPeriod 

func (m *MetaInfo) FreshnessPeriod() *time.Duration

FreshnessPeriod returns the FreshnessPeriod set in the MetaInfo.

func (*MetaInfo) HasWire 

func (m *MetaInfo) HasWire() bool

HasWire returns whether the MetaInfo has an existing valid wire encoding.

func (*MetaInfo) SetContentType 

func (m *MetaInfo) SetContentType(contentType uint64)

SetContentType sets the ContentType in the MetaInfo.

func (*MetaInfo) SetFinalBlockID 

func (m *MetaInfo) SetFinalBlockID(finalBlockID NameComponent)

SetFinalBlockID sets the FinalBlockId in the MetaInfo.

func (*MetaInfo) SetFreshnessPeriod 

func (m *MetaInfo) SetFreshnessPeriod(freshnessPeriod time.Duration)

SetFreshnessPeriod sets the FreshnessPeriod in the MetaInfo.

func (*MetaInfo) String 

func (m *MetaInfo) String() string

func (*MetaInfo) UnsetContentType 

func (m *MetaInfo) UnsetContentType()

UnsetContentType unsets the ContentType in the MetaInfo.

func (*MetaInfo) UnsetFinalBlockID 

func (m *MetaInfo) UnsetFinalBlockID()

UnsetFinalBlockID unsets the FinalBlockId in the MetaInfo.

func (*MetaInfo) UnsetFreshnessPeriod 

func (m *MetaInfo) UnsetFreshnessPeriod()

UnsetFreshnessPeriod unsets the FreshnessPeriod in the MetaInfo.

type Name 

type Name struct {
	// contains filtered or unexported fields
}

Name represents an NDN name.

func DecodeName 

func DecodeName(b *tlv.Block) (*Name, error)

DecodeName decodes a name from wire encoding.,

func NameFromString 

func NameFromString(str string) (*Name, error)

NameFromString decodes a name from a string.

func NewName 

func NewName() *Name

NewName constructs an empty name.

func (*Name) Append 

func (n *Name) Append(component NameComponent) *Name

Append adds the specified name component to the end of the name.

func (*Name) At 

func (n *Name) At(index int) NameComponent

At returns the name component at the specified index. If out of range, nil is returned.

func (*Name) Clear 

func (n *Name) Clear()

Clear erases all components from the name.

func (*Name) Compare 

func (n *Name) Compare(other *Name) int

Compare returns the canonical order of this name against the the specified other name.

func (*Name) DeepCopy 

func (n *Name) DeepCopy() *Name

DeepCopy returns a deep copy of the name.

func (*Name) Encode 

func (n *Name) Encode() *tlv.Block

Encode encodes the name into a bock.

func (*Name) Equals 

func (n *Name) Equals(other *Name) bool

Equals returns whether the specified name is equal to this name.

func (*Name) Erase 

func (n *Name) Erase(index int) error

Erase erases the specified name component. If out of range, no action is taken.

func (*Name) Find 

func (n *Name) Find(tlvType uint16) (int, NameComponent)

Find returns the first name component with the specified type, as well as its index.

func (*Name) HasWire 

func (n *Name) HasWire() bool

HasWire returns whether the name has a wire encoding.

func (*Name) Insert 

func (n *Name) Insert(index int, component NameComponent) error

Insert inserts a name component at the specified index.

func (*Name) Prefix 

func (n *Name) Prefix(size int) *Name

Prefix returns a name prefix of the specified number of components. If greater than or equal to the size of the name, this returns a copy of the name.

func (*Name) PrefixOf 

func (n *Name) PrefixOf(other *Name) bool

PrefixOf returns whether this name is a prefix of the specified name.

func (*Name) Set 

func (n *Name) Set(index int, component NameComponent) error

Set replaces the component at the specified index with the specified component.

func (*Name) Size 

func (n *Name) Size() int

Size returns the number of components in the name.

func (*Name) String 

func (n *Name) String() string

type NameComponent 

type NameComponent interface {
	String() string
	DeepCopy() NameComponent
	Type() uint16
	Value() []byte
	Equals(other NameComponent) bool
	Encode() *tlv.Block
}

NameComponent represents an NDN name component.

func DecodeNameComponent 

func DecodeNameComponent(wire *tlv.Block) (NameComponent, error)

DecodeNameComponent decodes a name component from the wire.

type ParametersSha256DigestComponent 

type ParametersSha256DigestComponent struct {
	BaseNameComponent
}

ParametersSha256DigestComponent represents a component containing the SHA-256 digest of the Interest parameters.

func NewParametersSha256DigestComponent 

func NewParametersSha256DigestComponent(value []byte) *ParametersSha256DigestComponent

NewParametersSha256DigestComponent creates a new ParametersSha256DigestComponent.

func (*ParametersSha256DigestComponent) DeepCopy 

func (n *ParametersSha256DigestComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*ParametersSha256DigestComponent) SetValue 

func (n *ParametersSha256DigestComponent) SetValue(value []byte) error

SetValue sets the value of an ParametersSha256DigestComponent.

func (*ParametersSha256DigestComponent) String 

func (n *ParametersSha256DigestComponent) String() string

type PendingPacket 

type PendingPacket struct {
	Wire           *tlv.Block
	NetPacket      interface{}
	PitToken       []byte
	CongestionMark *uint64
	IncomingFaceID *uint64
	NextHopFaceID  *uint64
	CachePolicy    *uint64
}

PendingPacket represents a pending network-layer packet to be sent or recently received on the link, plus any associated metadata.

func (*PendingPacket) DeepCopy 

func (p *PendingPacket) DeepCopy() *PendingPacket

DeepCopy creates a deep copy of a pending packet.

type PrefixAnnouncement 

type PrefixAnnouncement struct {
	// contains filtered or unexported fields
}

PrefixAnnouncement is a specially-formatted Data packet used by applications to announce prefixes they produce.

func DecodePrefixAnnouncement 

func DecodePrefixAnnouncement(wire *tlv.Block) (*PrefixAnnouncement, error)

DecodePrefixAnnouncement decodes a prefix announcement from the wire.

func NewPrefixAnnouncement 

func NewPrefixAnnouncement(data *Data) (*PrefixAnnouncement, error)

NewPrefixAnnouncement creates a prefix announcement from a data packet.

func (*PrefixAnnouncement) ExpirationPeriod 

func (p *PrefixAnnouncement) ExpirationPeriod() uint64

ExpirationPeriod returns the expiration period contained in the prefix announcement.

func (*PrefixAnnouncement) Prefix 

func (p *PrefixAnnouncement) Prefix() *Name

Prefix returns the prefix announced by the the prefix announcement.

func (*PrefixAnnouncement) Valid 

func (p *PrefixAnnouncement) Valid() bool

Valid returns whether the PrefixAnnouncement is validly formatted.

func (*PrefixAnnouncement) ValidityPeriod 

func (p *PrefixAnnouncement) ValidityPeriod() (time.Time, time.Time)

ValidityPeriod returns the validity period contained in the prefix announcement. If unset, returns 0 time for both values.

type Scope 

type Scope int

Scope indicates the scope of a face 

const (
	// Unknown indicates that the scope is unknown.
	Unknown Scope = -1
	// NonLocal indicates the face is non-local (to another forwarder).
	NonLocal Scope = 0
	// Local indicates the face is local (to an application).
	Local Scope = 1
)

type SegmentNameComponent 

type SegmentNameComponent struct {
	BaseNameComponent
	// contains filtered or unexported fields
}

SegmentNameComponent is a component containing a segment number.

func DecodeSegmentNameComponent 

func DecodeSegmentNameComponent(value []byte) *SegmentNameComponent

DecodeSegmentNameComponent decodes a SegmentNameComponent from a TLV wire value.

func NewSegmentNameComponent 

func NewSegmentNameComponent(value uint64) *SegmentNameComponent

NewSegmentNameComponent creates a new SegmentNameComponent.

func (*SegmentNameComponent) DeepCopy 

func (n *SegmentNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*SegmentNameComponent) SetValue 

func (n *SegmentNameComponent) SetValue(value uint64)

SetValue sets the value of a KeywordNameComponent.

func (*SegmentNameComponent) String 

func (n *SegmentNameComponent) String() string

type SequenceNumNameComponent 

type SequenceNumNameComponent struct {
	BaseNameComponent
	// contains filtered or unexported fields
}

SequenceNumNameComponent is a component containing a sequence number.

func DecodeSequenceNumNameComponent 

func DecodeSequenceNumNameComponent(value []byte) *SequenceNumNameComponent

DecodeSequenceNumNameComponent decodes a SequenceNumNameComponent from a TLV wire value.

func NewSequenceNumNameComponent 

func NewSequenceNumNameComponent(value uint64) *SequenceNumNameComponent

NewSequenceNumNameComponent creates a new SequenceNumNameComponent.

func (*SequenceNumNameComponent) DeepCopy 

func (n *SequenceNumNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*SequenceNumNameComponent) SetValue 

func (n *SequenceNumNameComponent) SetValue(value uint64)

SetValue sets the value of a SequenceNumNameComponent.

func (*SequenceNumNameComponent) String 

func (n *SequenceNumNameComponent) String() string

type SignatureInfo 

type SignatureInfo struct {
	// contains filtered or unexported fields
}

SignatureInfo represents either the SignatureInfo (for Data packets) or InterestSignatureInfo blocks.

func DecodeSignatureInfo 

func DecodeSignatureInfo(wire *tlv.Block) (*SignatureInfo, error)

DecodeSignatureInfo decodes a SignatureInfo or InterestSignatureInfo from the wire.

func NewInterestSignatureInfo 

func NewInterestSignatureInfo(signatureType security.SignatureType) *SignatureInfo

NewInterestSignatureInfo creates a new InterestSignatureInfo.

func NewSignatureInfo 

func NewSignatureInfo(signatureType security.SignatureType) *SignatureInfo

NewSignatureInfo creates a new SignatureInfo for a Data packet.

func (*SignatureInfo) Encode 

func (s *SignatureInfo) Encode() (*tlv.Block, error)

Encode encodes the SignatureInfo (or InterestSignatureInfo) into a block.

func (*SignatureInfo) HasWire 

func (s *SignatureInfo) HasWire() bool

HasWire returns whether a valid up-to-date wire encoding exists for the SignatureInfo.

func (*SignatureInfo) Interest 

func (s *SignatureInfo) Interest() bool

Interest returns true if this is an InterestSignatureInfo and false if it is a SignatureInfo (for Data packets).

func (*SignatureInfo) KeyLocator 

func (s *SignatureInfo) KeyLocator() *tlv.Block

KeyLocator returns the KeyLocator of the signature.

func (*SignatureInfo) Nonce 

func (s *SignatureInfo) Nonce() []byte

Nonce returns the SignatureNonce of the signature.

func (*SignatureInfo) SeqNum 

func (s *SignatureInfo) SeqNum() *uint64

SeqNum returns the SignatureSeqNum of the signature.

func (*SignatureInfo) SetKeyLocator 

func (s *SignatureInfo) SetKeyLocator(keyLocator *tlv.Block)

SetKeyLocator sets the KeyLocator of the signature.

func (*SignatureInfo) SetNonce 

func (s *SignatureInfo) SetNonce(nonce []byte)

SetNonce sets the SignatureNonce of the signature.

func (*SignatureInfo) SetSeqNum 

func (s *SignatureInfo) SetSeqNum(seqNum uint64)

SetSeqNum sets the SignatureSeqNum of the signature.

func (*SignatureInfo) SetTime 

func (s *SignatureInfo) SetTime(newTime *time.Time)

SetTime sets the SignatureTime of the signature.

func (*SignatureInfo) SetType 

func (s *SignatureInfo) SetType(signatureType security.SignatureType)

SetType sets the type of the signature.

func (*SignatureInfo) String 

func (s *SignatureInfo) String() string

func (*SignatureInfo) Time 

func (s *SignatureInfo) Time() *time.Time

Time returns the SignatureTime of the signature.

func (*SignatureInfo) Type 

func (s *SignatureInfo) Type() security.SignatureType

Type returns the type of the signature.

func (*SignatureInfo) UnsetKeyLocator 

func (s *SignatureInfo) UnsetKeyLocator()

UnsetKeyLocator unsets the KeyLocator of the signature.

func (*SignatureInfo) UnsetNonce 

func (s *SignatureInfo) UnsetNonce()

UnsetNonce unsets the SignatureNonce of the signature.

func (*SignatureInfo) UnsetSeqNum 

func (s *SignatureInfo) UnsetSeqNum()

UnsetSeqNum unsets the SignatureSeqNum of the signature.

func (*SignatureInfo) UnsetTime 

func (s *SignatureInfo) UnsetTime()

UnsetTime unsets the SignatureTime of the signature.

type State 

type State int

State indicates the state of a face 

const (
	// Up indicates the face is up
	Up State = iota
	// Down indicates the face is down
	Down State = iota
	// AdminDown indicates the face is administratively down
	AdminDown State = iota
)

func (State) String 

func (s State) String() string

type TimestampNameComponent 

type TimestampNameComponent struct {
	BaseNameComponent
	// contains filtered or unexported fields
}

TimestampNameComponent is a component containing a Unix timestamp (in microseconds).

func DecodeTimestampNameComponent 

func DecodeTimestampNameComponent(value []byte) *TimestampNameComponent

DecodeTimestampNameComponent decodes a TimestampNameComponent from a TLV wire value.

func NewTimestampNameComponent 

func NewTimestampNameComponent(value uint64) *TimestampNameComponent

NewTimestampNameComponent creates a new TimestampNameComponent.

func (*TimestampNameComponent) DeepCopy 

func (n *TimestampNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*TimestampNameComponent) SetValue 

func (n *TimestampNameComponent) SetValue(value uint64)

SetValue sets the value of a TimestampNameComponent.

func (*TimestampNameComponent) String 

func (n *TimestampNameComponent) String() string

type URI 

type URI struct {
	// contains filtered or unexported fields
}

URI represents a URI for a face.

func DecodeURIString 

func DecodeURIString(str string) *URI

DecodeURIString decodes a URI from a string.

func MakeDevFaceURI 

func MakeDevFaceURI(ifname string) *URI

MakeDevFaceURI constucts a URI for a network interface.

func MakeEthernetFaceURI 

func MakeEthernetFaceURI(mac net.HardwareAddr) *URI

MakeEthernetFaceURI constructs a URI for an Ethernet face.

func MakeFDFaceURI 

func MakeFDFaceURI(fd int) *URI

MakeFDFaceURI constructs a file descriptor URI.

func MakeInternalFaceURI 

func MakeInternalFaceURI() *URI

MakeInternalFaceURI constructs an internal face URI.

func MakeNullFaceURI 

func MakeNullFaceURI() *URI

MakeNullFaceURI constructs a null face URI.

func MakeUDPFaceURI 

func MakeUDPFaceURI(ipVersion int, host string, port uint16) *URI

MakeUDPFaceURI constructs a URI for a UDP face.

func MakeUnixFaceURI 

func MakeUnixFaceURI(path string) *URI

MakeUnixFaceURI constructs a URI for a Unix face.

func (*URI) Canonize 

func (u *URI) Canonize() error

Canonize attempts to canonize the URI, if not already canonical.

func (*URI) GetURIType 

func (u *URI) GetURIType() uriType

GetURIType returns the type of the face URI.

func (*URI) IsCanonical 

func (u *URI) IsCanonical() bool

IsCanonical returns whether the face URI is canonical.

func (*URI) Path 

func (u *URI) Path() string

Path returns the path of the face URI.

func (*URI) PathHost 

func (u *URI) PathHost() string

PathHost returns the host component of the path of the face URI.

func (*URI) PathZone 

func (u *URI) PathZone() string

PathZone returns the zone component of the path of the face URI.

func (*URI) Port 

func (u *URI) Port() uint16

Port returns the port of the face URI.

func (*URI) Scheme 

func (u *URI) Scheme() string

Scheme returns the scheme of the face URI.

func (*URI) Scope 

func (u *URI) Scope() Scope

Scope returns the scope of the URI.

func (*URI) String 

func (u *URI) String() string

type VersionNameComponent 

type VersionNameComponent struct {
	BaseNameComponent
	// contains filtered or unexported fields
}

VersionNameComponent is a component containing a version number.

func DecodeVersionNameComponent 

func DecodeVersionNameComponent(value []byte) *VersionNameComponent

DecodeVersionNameComponent decodes a VersionNameComponent from a TLV wire value.

func NewVersionNameComponent 

func NewVersionNameComponent(value uint64) *VersionNameComponent

NewVersionNameComponent creates a new VersionNameComponent.

func (*VersionNameComponent) DeepCopy 

func (n *VersionNameComponent) DeepCopy() NameComponent

DeepCopy creates a deep copy of the name component.

func (*VersionNameComponent) SetValue 

func (n *VersionNameComponent) SetValue(value uint64)

SetValue sets the value of a VersionNameComponent.

func (*VersionNameComponent) String 

func (n *VersionNameComponent) String() string

func (*VersionNameComponent) Version 

func (n *VersionNameComponent) Version() uint64

Version returns the version contained in the name component.

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