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Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type Mapper ¶
type Mapper struct {
// contains filtered or unexported fields
}
Mapper attempts to open a set of ports on a router
func NewPortMapper ¶ added in v0.8.0
NewPortMapper returns an initialized mapper
func (*Mapper) Map ¶ added in v0.8.0
func (m *Mapper) Map(intPort, extPort uint16, desc string, ip ips.DynamicIPPort, updateTime time.Duration)
Map external port [extPort] (exposed to the internet) to internal port [intPort] (where our process is listening) and set [ip]. Does this every [updateTime]. [ip] may be nil.
func (*Mapper) UnmapAllPorts ¶
func (m *Mapper) UnmapAllPorts()
UnmapAllPorts stops mapping all ports from this mapper and attempts to unmap them.
type Router ¶
type Router interface {
// True iff this router supports NAT
SupportsNAT() bool
// Map external port [extPort] to internal port [intPort] for [duration]
MapPort(intPort, extPort uint16, desc string, duration time.Duration) error
// Undo a port mapping
UnmapPort(intPort, extPort uint16) error
// Return our external IP
ExternalIP() (net.IP, error)
}
Router describes the functionality that a network device must support to be able to open ports to an external IP.
func GetRouter ¶ added in v0.8.0
func GetRouter() Router
GetRouter returns a router on the current network.
func NewNoRouter ¶ added in v0.8.0
func NewNoRouter() Router
NewNoRouter returns a router that assumes the network is public
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