picker

Documentation

Index

• Constants
• func NewErrPicker(err error) balancer.Picker
• type McPickerBuilder
  • func (pb *McPickerBuilder) Build(info PickerBuildInfo) balancer.Picker
• type MrtPickerBuilder
  • func (pb *MrtPickerBuilder) Build(info PickerBuildInfo) balancer.Picker
• type PickerBuildInfo
• type PickerBuilder
• type RRPickerBuilder
  • func (pb *RRPickerBuilder) Build(info PickerBuildInfo) balancer.Picker
• type RWRRPickerBuilder
  • func (pb *RWRRPickerBuilder) Build(info PickerBuildInfo) balancer.Picker
• type SubConnInfo
• type WRRPickerBuilder
  • func (pb *WRRPickerBuilder) Build(info PickerBuildInfo) balancer.Picker

Constants

const WeightAttributeKey = "customize_weight"

Functions

func NewErrPicker

func NewErrPicker(err error) balancer.Picker

NewErrPicker returns a Picker that always returns err on Pick().

Types

type McPickerBuilder

type McPickerBuilder struct {
}

func (*McPickerBuilder) Build

func (pb *McPickerBuilder) Build(info PickerBuildInfo) balancer.Picker

type MrtPickerBuilder

type MrtPickerBuilder struct {
}

func (*MrtPickerBuilder) Build

func (pb *MrtPickerBuilder) Build(info PickerBuildInfo) balancer.Picker

type PickerBuildInfo

type PickerBuildInfo struct {
	// ReadySCs is a map from all ready SubConns to the Addresses used to
	// create them.
	ReadySCs map[balancer.SubConn]SubConnInfo
}

PickerBuildInfo contains information needed by the picker builder to construct a picker.

type PickerBuilder

type PickerBuilder interface {
	// Build returns a picker that will be used by gRPC to pick a SubConn.
	Build(info PickerBuildInfo) balancer.Picker
}

PickerBuilder creates balancer.Picker.

type RRPickerBuilder

type RRPickerBuilder struct {
}

func (*RRPickerBuilder) Build

func (pb *RRPickerBuilder) Build(info PickerBuildInfo) balancer.Picker

type RWRRPickerBuilder

type RWRRPickerBuilder struct{}

func (*RWRRPickerBuilder) Build

func (pb *RWRRPickerBuilder) Build(info PickerBuildInfo) balancer.Picker

type SubConnInfo

type SubConnInfo struct {
	Address resolver.Address // the address used to create this SubConn
}

SubConnInfo contains information about a SubConn created by the base balancer.

type WRRPickerBuilder

type WRRPickerBuilder struct{}

func (*WRRPickerBuilder) Build

func (pb *WRRPickerBuilder) Build(info PickerBuildInfo) balancer.Picker