network

package

v0.0.0-...-f662469 Latest Latest Go to latest Published: Apr 19, 2024 License: AGPL-3.0 Imports: 11 Imported by: 0

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Repository

github.com/loopholelabs/drafter

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func CreateNAT(hostInterface string) error
func RemoveNAT(hostInterface string) error
type Daemon
- func NewDaemon(hostInterface string, hostVethCIDR string, namespaceVethCIDR string, ...) *Daemon
type IP
- func NewIP(ip *ipam.IP) *IP
- func (i *IP) String() string
type IPPair
- func NewIPPair(firstIP *IP, secondIP *IP, prefix *ipam.Prefix, ipTable *IPTable) *IPPair
- func (p *IPPair) GetFirstIP() *IP
- func (p *IPPair) GetSecondIP() *IP
type IPTable
- func NewIPTable(cidr string) *IPTable
type Namespace
- func NewNamespace(id string, hostInterface string, namespaceInterface string, ...) *Namespace

Constants ¶

View Source

const (
	PairMask        = 30
	GatewayReserved = 2
)

Variables ¶

View Source

var (
	ErrNotEnoughAvailableIPsInHostCIDR      = errors.New("not enough available IPs in host CIDR")
	ErrNotEnoughAvailableIPsInNamespaceCIDR = errors.New("not enough available IPs in namespace CIDR")
	ErrAllNamespacesClaimed                 = errors.New("all namespaces claimed")
)

View Source

var (
	ErrInvalidCIDRSize = errors.New("invalid cidr size")
)

Functions ¶

func CreateNAT ¶

func CreateNAT(hostInterface string) error

func RemoveNAT ¶

func RemoveNAT(hostInterface string) error

Types ¶

type Daemon ¶

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

func NewDaemon ¶

func NewDaemon(
	hostInterface string,

	hostVethCIDR string,
	namespaceVethCIDR string,

	namespaceInterface string,
	namespaceInterfaceGateway string,
	namespaceInterfaceNetmask uint32,
	namespaceInterfaceIP string,
	namespaceInterfaceMAC string,

	namespacePrefix string,

	onBeforeCreateNamespace func(id string) error,
	onBeforeRemoveNamespace func(id string) error,
) *Daemon

func (*Daemon) ClaimNamespace ¶

func (d *Daemon) ClaimNamespace() (string, error)

func (*Daemon) Close ¶

func (d *Daemon) Close(ctx context.Context) error

func (*Daemon) Open ¶

func (d *Daemon) Open(ctx context.Context) error

func (*Daemon) ReleaseNamespace ¶

func (d *Daemon) ReleaseNamespace(namespace string) error

type IP ¶

type IP struct {
	*ipam.IP
}

func NewIP ¶

func NewIP(ip *ipam.IP) *IP

func (*IP) String ¶

func (i *IP) String() string

type IPPair ¶

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

func NewIPPair ¶

func NewIPPair(
	firstIP *IP,
	secondIP *IP,

	prefix *ipam.Prefix,
	ipTable *IPTable,
) *IPPair

func (*IPPair) GetFirstIP ¶

func (p *IPPair) GetFirstIP() *IP

func (*IPPair) GetSecondIP ¶

func (p *IPPair) GetSecondIP() *IP

type IPTable ¶

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

func NewIPTable ¶

func NewIPTable(cidr string) *IPTable

func (*IPTable) AvailableIPs ¶

func (t *IPTable) AvailableIPs() uint64

func (*IPTable) AvailablePairs ¶

func (t *IPTable) AvailablePairs() uint64

func (*IPTable) GetIP ¶

func (t *IPTable) GetIP(ctx context.Context) (*IP, error)

func (*IPTable) GetPair ¶

func (t *IPTable) GetPair(ctx context.Context) (*IPPair, error)

func (*IPTable) Open ¶

func (t *IPTable) Open(ctx context.Context) error

func (*IPTable) ReleaseIP ¶

func (t *IPTable) ReleaseIP(ctx context.Context, ip *IP) error

func (*IPTable) ReleasePair ¶

func (i *IPTable) ReleasePair(ctx context.Context, ipPair *IPPair) error

type Namespace ¶

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

func NewNamespace ¶

func NewNamespace(
	id string,

	hostInterface string,
	namespaceInterface string,

	namespaceInterfaceGateway string,
	namespaceInterfaceNetmask uint32,

	hostVethInternalIP string,
	hostVethExternalIP string,

	namespaceInterfaceIP string,
	namespaceVethIP string,

	blockedSubnet string,

	namespaceInterfaceMAC string,
) *Namespace

func (*Namespace) Close ¶

func (n *Namespace) Close() error

func (*Namespace) GetID ¶

func (n *Namespace) GetID() string

func (*Namespace) Open ¶

func (n *Namespace) Open() error

Source Files ¶

View all Source files

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