grpcecho

package

v0.0.0-...-4567ff4 Latest Latest Go to latest Published: Dec 3, 2022 License: Apache-2.0 Imports: 17 Imported by: 0

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Repository

github.com/costinm/hbone

README ¶

Minimal implementation for Istio Echo app, gRPC only

The intent is to evaluate the overhead of various gRPC options.

0.8M for a min go program
4.7M for an echo using HTTP.
9M - this server, only plain gRPC
20M - same app, but proxyless gRPC
22M - plus opencensus, prom, zpages, reflection
ocgrpc adds ~300k

Documentation ¶

Constants ¶

View Source

const (
	ConnectionTimeout = 2 * time.Second
)

View Source

const ECHO_SERVICE = "/proto.EchoTestService/Echo"

Variables ¶

View Source

var (
	StatusCodeOK              = strconv.Itoa(http.StatusOK)
	StatusUnauthorized        = strconv.Itoa(http.StatusUnauthorized)
	StatusCodeForbidden       = strconv.Itoa(http.StatusForbidden)
	StatusCodeUnavailable     = strconv.Itoa(http.StatusServiceUnavailable)
	StatusCodeBadRequest      = strconv.Itoa(http.StatusBadRequest)
	StatusCodeTooManyRequests = strconv.Itoa(http.StatusTooManyRequests)
)

View Source

var DefaultRequestTimeout = 5 * time.Second

Functions ¶

This section is empty.

Types ¶

type EchoGrpcHandler ¶

type EchoGrpcHandler struct {
	Port         int
	Version      string
	Cluster      string
	IstioVersion string

	Mesh *hbone.HBone
}

func (*EchoGrpcHandler) Echo ¶

func (h *EchoGrpcHandler) Echo(ctx context.Context, s *h2.H2Stream, req *proto.EchoRequest) (*proto.EchoResponse, error)

func (*EchoGrpcHandler) ForwardEcho ¶

func (h *EchoGrpcHandler) ForwardEcho(ctx context.Context, req *proto.ForwardEchoRequest) (*proto.ForwardEchoResponse, error)

func (*EchoGrpcHandler) ServeHTTP ¶

func (h *EchoGrpcHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request)

Handle /grpc/ requests, equivalent with forward

type Field ¶

type Field string

Field is a list of fields returned in responses from the Echo server.

const (
	RequestIDField      Field = "X-Request-Id"
	ServiceVersionField Field = "ServiceVersion"
	ServicePortField    Field = "ServicePort"
	StatusCodeField     Field = "StatusCode"
	URLField            Field = "URL"
	HostField           Field = "Host"
	HostnameField       Field = "Hostname"
	MethodField         Field = "Method"
	ResponseHeader      Field = "ResponseHeader"
	ClusterField        Field = "Cluster"
	IstioVersionField   Field = "IstioVersion"
	IPField             Field = "IP" // The Requester’s IP Address.
)

Source Files ¶

View all Source files

echo_server.go

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