network

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v1.10.0 Latest Latest Go to latest Published: Mar 31, 2023 License: Apache-2.0 Imports: 5 Imported by: 0

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Repository

github.com/rabbitstack/fibratus

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Documentation ¶

Index ¶

Variables
type Address
- func AddressFromIP(ip net.IP) Address
- func (addr Address) ToIP() net.IP
- func (addr Address) ToIPString() string
type L4Proto
- func (proto L4Proto) String() string
type ReverseDNS
- func NewReverseDNS(size int, ttl, exp time.Duration) *ReverseDNS

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrMaxNamesReached = errors.New("dns reverse max names reached")

ErrMaxNamesReached is thrown when the capacity of the names map is reached

Functions ¶

This section is empty.

Types ¶

type Address ¶

type Address [16]byte

Address is the comparable type-alias for the IP v4/v6 addresses

func AddressFromIP ¶

func AddressFromIP(ip net.IP) Address

AddressFromIP constructs the address from the IP address.

func (Address) ToIP ¶

func (addr Address) ToIP() net.IP

ToIP converts the address to net.IP type.

func (Address) ToIPString ¶

func (addr Address) ToIPString() string

ToIPString converts the address to IP string representation.

type L4Proto ¶

type L4Proto uint8

L4Proto is the type alias for the Layer 4 protocol.

const (
	// TCP identifies TCP Layer 4 protocol.
	TCP L4Proto = iota + 1
	// UDP identifies UDP Layer 4 protocol.
	UDP
)

func (L4Proto) String ¶

func (proto L4Proto) String() string

String returns the string representation of the Layer 4 protocol.

type ReverseDNS ¶

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

ReverseDNS performs reverse DNS resolutions and keeps the cache of resolved IP to domain mappings.

func NewReverseDNS ¶

func NewReverseDNS(size int, ttl, exp time.Duration) *ReverseDNS

NewReverseDNS creates a new DNS reverser with the specified size and TTL period.

func (*ReverseDNS) Add ¶

func (r *ReverseDNS) Add(addr Address) ([]string, error)

Add performs a reverse lookup for the given address, returning a list of names mapping to that address. It assigns a ttl to the names value and puts it in the map. If the names map capacity is reached this method returns an error and gives up on adding new entries.

func (*ReverseDNS) Close ¶

func (r *ReverseDNS) Close()

Close closes the expiration ticker.

func (*ReverseDNS) Expire ¶

func (r *ReverseDNS) Expire()

Expire evicts name values that are eligible for expiration.

func (*ReverseDNS) Get ¶

func (r *ReverseDNS) Get(addr Address) []string

Get returns all the name mappings for the specified address.

func (*ReverseDNS) Len ¶

func (r *ReverseDNS) Len() int

Len returns the size of the names map.

Source Files ¶

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