portmapper

package
v0.0.0-...-70409ac Latest Latest
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Published: Sep 25, 2015 License: Apache-2.0 Imports: 19 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source
var (
	// ErrUnknownBackendAddressType refers to an unknown container or unsupported address type
	ErrUnknownBackendAddressType = errors.New("unknown container address type not supported")
	// ErrPortMappedForIP refers to a port already mapped to an ip address
	ErrPortMappedForIP = errors.New("port is already mapped to ip")
	// ErrPortNotMapped refers to an unmapped port
	ErrPortNotMapped = errors.New("port is not mapped")
)

Functions

This section is empty.

Types

type PortMapper

type PortMapper struct {
	Allocator *portallocator.PortAllocator
	// contains filtered or unexported fields
}

PortMapper manages the network address translation

func New

func New() *PortMapper

New returns a new instance of PortMapper

func NewWithPortAllocator

func NewWithPortAllocator(allocator *portallocator.PortAllocator) *PortMapper

NewWithPortAllocator returns a new instance of PortMapper which will use the specified PortAllocator

func (*PortMapper) Map

func (pm *PortMapper) Map(container net.Addr, hostIP net.IP, hostPort int, useProxy bool) (host net.Addr, err error)

Map maps the specified container transport address to the host's network address and transport port

func (*PortMapper) MapRange

func (pm *PortMapper) MapRange(container net.Addr, hostIP net.IP, hostPortStart, hostPortEnd int, useProxy bool) (host net.Addr, err error)

MapRange maps the specified container transport address to the host's network address and transport port range

func (*PortMapper) ReMapAll

func (pm *PortMapper) ReMapAll()

ReMapAll will re-apply all port mappings

func (*PortMapper) SetIptablesChain

func (pm *PortMapper) SetIptablesChain(c *iptables.ChainInfo, bridgeName string)

SetIptablesChain sets the specified chain into portmapper

func (*PortMapper) Unmap

func (pm *PortMapper) Unmap(host net.Addr) error

Unmap removes stored mapping for the specified host transport address

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