internal

package
Version: v0.0.0-...-d88c8b5 Latest Latest
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Published: Feb 9, 2021 License: Apache-2.0 Imports: 3 Imported by: 0

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

View Source
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

View Source
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
	// ParseServiceConfig is a function to parse JSON service configs into
	// opaque data structures.
	ParseServiceConfig func(sc string) (interface{}, error)
	// StatusRawProto is exported by status/status.go. This func returns a
	// pointer to the wrapped Status proto for a given status.Status without a
	// call to proto.Clone(). The returned Status proto should not be mutated by
	// the caller.
	StatusRawProto interface{} // func (*status.Status) *spb.Status
)

Functions

This section is empty.

Types

type HealthChecker

type HealthChecker func(ctx context.Context, newStream func(string) (interface{}, error), setConnectivityState func(connectivity.State), serviceName string) error

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

The implementation is expected to create a health checking RPC stream by calling newStream(), watch for the health status of serviceName, and report it's health back by calling setConnectivityState().

The health checking protocol is defined at: https://github.com/grpc/grpc/blob/master/doc/health-checking.md

Source Files

Directories

Path Synopsis
Package backoff implement the backoff strategy for gRPC.
Package backoff implement the backoff strategy for gRPC.
Package balancerload defines APIs to parse server loads in trailers.
Package balancerload defines APIs to parse server loads in trailers.
Package binarylog implementation binary logging as defined in https://github.com/grpc/proposal/blob/master/A16-binary-logging.md.
Package binarylog implementation binary logging as defined in https://github.com/grpc/proposal/blob/master/A16-binary-logging.md.
Package channelz defines APIs for enabling channelz service, entry registration/deletion, and accessing channelz data.
Package channelz defines APIs for enabling channelz service, entry registration/deletion, and accessing channelz data.
Package envconfig contains grpc settings configured by environment variables.
Package envconfig contains grpc settings configured by environment variables.
Package grpcrand implements math/rand functions in a concurrent-safe way with a global random source, independent of math/rand's global source.
Package grpcrand implements math/rand functions in a concurrent-safe way with a global random source, independent of math/rand's global source.
Package grpcsync implements additional synchronization primitives built upon the sync package.
Package grpcsync implements additional synchronization primitives built upon the sync package.
Package syscall provides functionalities that grpc uses to get low-level operating system stats/info.
Package syscall provides functionalities that grpc uses to get low-level operating system stats/info.
Package transport defines and implements message oriented communication channel to complete various transactions (e.g., an RPC).
Package transport defines and implements message oriented communication channel to complete various transactions (e.g., an RPC).

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