direct

package
v1.54.2 Latest Latest
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Published: Jun 11, 2021 License: MIT Imports: 8 Imported by: 1

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Constants

This section is empty.

Variables

This section is empty.

Functions

func Spec

Spec returns a configuration specification for the direct peer chooser. The chooser uses transport.Request#ShardKey as the peer dentifier.

cfg := yarpcconfig.New()
cfg.MustRegisterPeerChooser(direct.Spec())

This enables the direct chooser:

outbounds:
  destination-service:
    grpc:
      direct: {}

Types

type Chooser

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

Chooser is a peer.Chooser that returns the peer identified by transport.Request#ShardKey, suitable for directly addressing a peer.

func New

func New(cfg Configuration, transport peer.Transport, opts ...ChooserOption) (*Chooser, error)

New creates a new direct peer chooser.

func (*Chooser) Choose

func (c *Chooser) Choose(ctx context.Context, req *transport.Request) (peer.Peer, func(error), error)

Choose uses the peer identifier set as the transport.Request#ShardKey to return the peer.

func (*Chooser) IsRunning

func (c *Chooser) IsRunning() bool

IsRunning statisfies the peer.Chooser interface.

func (*Chooser) Start

func (c *Chooser) Start() error

Start statisfies the peer.Chooser interface.

func (*Chooser) Stop

func (c *Chooser) Stop() error

Stop statisfies the peer.Chooser interface.

type ChooserOption

type ChooserOption func(*chooserOptions)

ChooserOption customizes the behavior of the peer chooser.

func Logger

func Logger(logger *zap.Logger) ChooserOption

Logger sets the logger for the chooser.

type Configuration

type Configuration struct{}

Configuration describes how to build a direct peer chooser.

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