port

package

v0.0.0-...-4810afc Latest Latest Go to latest Published: Apr 20, 2024 License: Apache-2.0, MIT Imports: 4 Imported by: 4

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Repository

github.com/google/gvisor

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Documentation ¶

Overview ¶

Package port provides port ID allocation for netlink sockets.

A netlink port is any int32 value. Positive ports are typically equivalent to the PID of the binding process. If that port is unavailable, negative ports are searched to find a free port that will not conflict with other PIDS.

Index ¶

type Manager
- func New() *Manager
- func (m *Manager) Allocate(protocol int, hint int32) (int32, bool)
- func (m *Manager) Release(protocol int, port int32)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Manager ¶

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

Manager allocates netlink port IDs.

+stateify savable

func New ¶

func New() *Manager

New creates a new Manager.

func (*Manager) Allocate ¶

func (m *Manager) Allocate(protocol int, hint int32) (int32, bool)

Allocate reserves a new port ID for protocol. hint will be taken if available.

func (*Manager) Release ¶

func (m *Manager) Release(protocol int, port int32)

Release frees the specified port for protocol.

Preconditions: port is already allocated.

Source Files ¶

View all Source files

port.go

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