grpc

package
v1.20.0 Latest Latest
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Published: Dec 17, 2019 License: BSD-3-Clause Imports: 12 Imported by: 0

Documentation

Overview

Package grpc is a generated protocol buffer package.

It is generated from these files:

fixtures_test.proto

It has these top-level messages:

FixtureRequest
FixtureReply

Package grpc provides functions to trace the google.golang.org/grpc package v1.2.

Example (Client)
package main

import (
	"log"

	grpctrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/google.golang.org/grpc.v12"

	"google.golang.org/grpc"
)

func main() {
	// Create the client interceptor using the grpc trace package.
	i := grpctrace.UnaryClientInterceptor(grpctrace.WithServiceName("my-grpc-client"))

	// Dial in using the created interceptor...
	conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure(), grpc.WithUnaryInterceptor(i))
	if err != nil {
		log.Fatal(err)
	}
	defer conn.Close()

	// And continue using the connection as normal.
}
Output:

Example (Server)
package main

import (
	"log"
	"net"

	grpctrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/google.golang.org/grpc.v12"

	"google.golang.org/grpc"
)

func main() {
	// Create a listener for the server.
	ln, err := net.Listen("tcp", ":50051")
	if err != nil {
		log.Fatal(err)
	}

	// Create the unary server interceptor using the grpc trace package.
	i := grpctrace.UnaryServerInterceptor(grpctrace.WithServiceName("my-grpc-client"))

	// Initialize the grpc server as normal, using the tracing interceptor.
	s := grpc.NewServer(grpc.UnaryInterceptor(i))

	// ... register your services

	// Start serving incoming connections.
	if err := s.Serve(ln); err != nil {
		log.Fatalf("failed to serve: %v", err)
	}
}
Output:

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func RegisterFixtureServer added in v1.0.0

func RegisterFixtureServer(s *grpc1.Server, srv FixtureServer)

func UnaryClientInterceptor

func UnaryClientInterceptor(opts ...InterceptorOption) grpc.UnaryClientInterceptor

UnaryClientInterceptor will add tracing to a gprc client.

func UnaryServerInterceptor

func UnaryServerInterceptor(opts ...InterceptorOption) grpc.UnaryServerInterceptor

UnaryServerInterceptor will trace requests to the given grpc server.

Types

type FixtureClient added in v1.0.0

type FixtureClient interface {
	Ping(ctx context.Context, in *FixtureRequest, opts ...grpc1.CallOption) (*FixtureReply, error)
}

func NewFixtureClient added in v1.0.0

func NewFixtureClient(cc *grpc1.ClientConn) FixtureClient

type FixtureReply added in v1.0.0

type FixtureReply struct {
	Message string `protobuf:"bytes,1,opt,name=message" json:"message,omitempty"`
}

The response message containing the greetings

func (*FixtureReply) Descriptor added in v1.0.0

func (*FixtureReply) Descriptor() ([]byte, []int)

func (*FixtureReply) GetMessage added in v1.0.0

func (m *FixtureReply) GetMessage() string

func (*FixtureReply) ProtoMessage added in v1.0.0

func (*FixtureReply) ProtoMessage()

func (*FixtureReply) Reset added in v1.0.0

func (m *FixtureReply) Reset()

func (*FixtureReply) String added in v1.0.0

func (m *FixtureReply) String() string

type FixtureRequest added in v1.0.0

type FixtureRequest struct {
	Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
}

The request message containing the user's name.

func (*FixtureRequest) Descriptor added in v1.0.0

func (*FixtureRequest) Descriptor() ([]byte, []int)

func (*FixtureRequest) GetName added in v1.0.0

func (m *FixtureRequest) GetName() string

func (*FixtureRequest) ProtoMessage added in v1.0.0

func (*FixtureRequest) ProtoMessage()

func (*FixtureRequest) Reset added in v1.0.0

func (m *FixtureRequest) Reset()

func (*FixtureRequest) String added in v1.0.0

func (m *FixtureRequest) String() string

type FixtureServer added in v1.0.0

type FixtureServer interface {
	Ping(context.Context, *FixtureRequest) (*FixtureReply, error)
}

type InterceptorOption added in v1.0.0

type InterceptorOption func(*interceptorConfig)

InterceptorOption represents an option that can be passed to the grpc unary client and server interceptors.

func WithAnalytics added in v1.11.0

func WithAnalytics(on bool) InterceptorOption

WithAnalytics enables Trace Analytics for all started spans.

func WithAnalyticsRate added in v1.11.0

func WithAnalyticsRate(rate float64) InterceptorOption

WithAnalyticsRate sets the sampling rate for Trace Analytics events correlated to started spans.

func WithServiceName added in v1.0.0

func WithServiceName(name string) InterceptorOption

WithServiceName sets the given service name for the intercepted client.

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