balancer

Documentation

Index

• Variables
• func WithEndpoint(ctx context.Context, endpoint Endpoint) context.Context
• type Connection
  • func New(ctx context.Context, c config.Config, pool *conn.Pool, ...) (_ Connection, err error)
• type Discoverer
• type Endpoint
  • func ContextEndpoint(ctx context.Context) (e Endpoint, ok bool)
• type Info
• type Router

Variables

var ErrNoEndpoints = xerrors.Wrap(fmt.Errorf("no endpoints"))

Functions

func WithEndpoint

func WithEndpoint(ctx context.Context, endpoint Endpoint) context.Context

Types

type Connection

type Connection interface {
	Info
	Router
	Discoverer
}

func New

func New(
	ctx context.Context,
	c config.Config,
	pool *conn.Pool,
	opts ...discoveryConfig.Option,
) (_ Connection, err error)

type Discoverer

type Discoverer interface {
	Discovery() discovery.Client
}

type Endpoint

type Endpoint interface {
	NodeID() uint32
}

func ContextEndpoint

func ContextEndpoint(ctx context.Context) (e Endpoint, ok bool)

type Info

type Info interface {
	// Endpoint returns initial endpoint
	Endpoint() string

	// Name returns balancer name
	Name() string

	// Secure returns true if balancer connection is secure
	Secure() bool
}

type Router

type Router interface {
	// ClientConnInterface interface allows Router use as grpc.ClientConnInterface
	// with lazy getting raw grpc-connection in Invoke() or NewStream() stages.
	// Lazy getting grpc-connection must use for embedded into driver client-side
	// balancing may be put into code-generated client constructor as is.
	grpc.ClientConnInterface
	closer.Closer
}