port

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Published: May 30, 2023 License: Apache-2.0 Imports: 3 Imported by: 18

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Types

type ChildContext added in v0.3.0

type ChildContext struct {
	// PID of the child, can be used for ns-entering to the child namespaces.
	PID int
	// IP of the tap device
	IP net.IP
}

ChildContext is used for RunParentDriver

type ChildDriver added in v0.3.0

type ChildDriver interface {
	RunChildDriver(opaque map[string]string, quit <-chan struct{}) error
}

type Manager

type Manager interface {
	AddPort(ctx context.Context, spec Spec) (*Status, error)
	ListPorts(ctx context.Context) ([]Status, error)
	RemovePort(ctx context.Context, id int) error
}

Manager MUST be thread-safe.

type ParentDriver

type ParentDriver interface {
	Manager
	Info(ctx context.Context) (*api.PortDriverInfo, error)
	// OpaqueForChild typically consists of socket path
	// for controlling child from parent
	OpaqueForChild() map[string]string
	// RunParentDriver signals initComplete when ParentDriver is ready to
	// serve as Manager.
	// RunParentDriver blocks until quit is signaled.
	//
	// ChildContext is optional.
	RunParentDriver(initComplete chan struct{}, quit <-chan struct{}, cctx *ChildContext) error
}

ParentDriver is a driver for the parent process.

type Spec

type Spec struct {
	// Proto is one of ["tcp", "tcp4", "tcp6", "udp", "udp4", "udp6"].
	// "tcp" may cause listening on both IPv4 and IPv6. (Corresponds to Go's net.Listen .)
	Proto      string `json:"proto,omitempty"`
	ParentIP   string `json:"parentIP,omitempty"` // IPv4 or IPv6 address. can be empty (0.0.0.0).
	ParentPort int    `json:"parentPort,omitempty"`
	ChildPort  int    `json:"childPort,omitempty"`
	// ChildIP is an IPv4 or IPv6 address.
	// Default values:
	// - builtin     driver: 127.0.0.1
	// - slirp4netns driver: slirp4netns's child IP, e.g., 10.0.2.100
	ChildIP string `json:"childIP,omitempty"`
}

type Status

type Status struct {
	ID   int  `json:"id"`
	Spec Spec `json:"spec"`
}

Directories

Path Synopsis
msg
parent/udp/udpproxy
Package udpproxy is from https://raw.githubusercontent.com/docker/libnetwork/fec6476dfa21380bf8ee4d74048515d968c1ee63/cmd/proxy/udp_proxy.go
Package udpproxy is from https://raw.githubusercontent.com/docker/libnetwork/fec6476dfa21380bf8ee4d74048515d968c1ee63/cmd/proxy/udp_proxy.go

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