sync

package
v0.0.0-...-b3c803a Latest Latest
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Published: Sep 11, 2021 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package sync is an interface for distributed synchronization

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrLockTimeout = errors.New("lock timeout")
)

Functions

This section is empty.

Types

type Leader

type Leader interface {
	// resign leadership
	Resign() error
	// status returns when leadership is lost
	Status() chan bool
}

Leader provides leadership election

type LeaderOption

type LeaderOption func(o *LeaderOptions)

type LeaderOptions

type LeaderOptions struct{}

type LockOption

type LockOption func(o *LockOptions)

func LockTTL

func LockTTL(t time.Duration) LockOption

LockTTL sets the lock ttl

func LockWait

func LockWait(t time.Duration) LockOption

LockWait sets the wait time

type LockOptions

type LockOptions struct {
	TTL  time.Duration
	Wait time.Duration
}

type Option

type Option func(o *Options)

func Nodes

func Nodes(a ...string) Option

Nodes sets the addresses to use

func Prefix

func Prefix(p string) Option

Prefix sets a prefix to any lock ids used

type Options

type Options struct {
	Nodes  []string
	Prefix string
}

type Sync

type Sync interface {
	// Initialise options
	Init(...Option) error
	// Return the options
	Options() Options
	// Elect a leader
	Leader(id string, opts ...LeaderOption) (Leader, error)
	// Lock acquires a lock
	Lock(id string, opts ...LockOption) error
	// Unlock releases a lock
	Unlock(id string) error
	// Sync implementation
	String() string
}

Sync is an interface for distributed synchronization

Directories

Path Synopsis
Package etcd is an etcd implementation of lock
Package etcd is an etcd implementation of lock
Package memory provides a sync.Mutex implementation of the lock for local use
Package memory provides a sync.Mutex implementation of the lock for local use

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