internal

Documentation

Overview

Package internal contains gRPC-internal code, to avoid polluting the godoc of the top-level grpc package. It must not import any grpc symbols to avoid circular dependencies.

Index

• Constants
• Variables
• type HealthChecker

Constants

const (
	// CredsBundleModeFallback switches GoogleDefaultCreds to fallback mode.
	CredsBundleModeFallback = "fallback"
	// CredsBundleModeBalancer switches GoogleDefaultCreds to grpclb balancer
	// mode.
	CredsBundleModeBalancer = "balancer"
	// CredsBundleModeBackendFromBalancer switches GoogleDefaultCreds to mode
	// that supports backend returned by grpclb balancer.
	CredsBundleModeBackendFromBalancer = "backend-from-balancer"
)

Variables

var (
	// WithResolverBuilder is exported by dialoptions.go
	WithResolverBuilder interface{} // func (resolver.Builder) grpc.DialOption
	// WithHealthCheckFunc is not exported by dialoptions.go
	WithHealthCheckFunc interface{} // func (HealthChecker) DialOption
	// HealthCheckFunc is used to provide client-side LB channel health checking
	HealthCheckFunc HealthChecker
	// BalancerUnregister is exported by package balancer to unregister a balancer.
	BalancerUnregister func(name string)
	// KeepaliveMinPingTime is the minimum ping interval.  This must be 10s by
	// default, but tests may wish to set it lower for convenience.
	KeepaliveMinPingTime = 10 * time.Second
)

Types

type HealthChecker

type HealthChecker func(ctx context.Context, newStream func() (interface{}, error), reportHealth func(bool), serviceName string) error

HealthChecker defines the signature of the client-side LB channel health checking function.