Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
12 contributors

Users who have contributed to this file

@menghanl @yangzhouhan @ZhouyihaiDing @dfawley @iamqizhao @pedgeio @apolcyn @MakMukhi @dsymonds @knweiss @jtattermusch @easwars
293 lines (265 sloc) 8.61 KB
/*
*
* Copyright 2014 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
//go:generate protoc -I grpc_testing --go_out=plugins=grpc:grpc_testing grpc_testing/control.proto grpc_testing/messages.proto grpc_testing/payloads.proto grpc_testing/services.proto grpc_testing/stats.proto
/*
Package benchmark implements the building blocks to setup end-to-end gRPC benchmarks.
*/
package benchmark
import (
"context"
"fmt"
"io"
"log"
"net"
"google.golang.org/grpc"
testpb "google.golang.org/grpc/benchmark/grpc_testing"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/status"
)
// Allows reuse of the same testpb.Payload object.
func setPayload(p *testpb.Payload, t testpb.PayloadType, size int) {
if size < 0 {
grpclog.Fatalf("Requested a response with invalid length %d", size)
}
body := make([]byte, size)
switch t {
case testpb.PayloadType_COMPRESSABLE:
case testpb.PayloadType_UNCOMPRESSABLE:
grpclog.Fatalf("PayloadType UNCOMPRESSABLE is not supported")
default:
grpclog.Fatalf("Unsupported payload type: %d", t)
}
p.Type = t
p.Body = body
}
// NewPayload creates a payload with the given type and size.
func NewPayload(t testpb.PayloadType, size int) *testpb.Payload {
p := new(testpb.Payload)
setPayload(p, t, size)
return p
}
type testServer struct {
}
func (s *testServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
return &testpb.SimpleResponse{
Payload: NewPayload(in.ResponseType, int(in.ResponseSize)),
}, nil
}
func (s *testServer) StreamingCall(stream testpb.BenchmarkService_StreamingCallServer) error {
response := &testpb.SimpleResponse{
Payload: new(testpb.Payload),
}
in := new(testpb.SimpleRequest)
for {
// use ServerStream directly to reuse the same testpb.SimpleRequest object
err := stream.(grpc.ServerStream).RecvMsg(in)
if err == io.EOF {
// read done.
return nil
}
if err != nil {
return err
}
setPayload(response.Payload, in.ResponseType, int(in.ResponseSize))
if err := stream.Send(response); err != nil {
return err
}
}
}
func (s *testServer) UnconstrainedStreamingCall(stream testpb.BenchmarkService_UnconstrainedStreamingCallServer) error {
in := new(testpb.SimpleRequest)
// Receive a message to learn response type and size.
err := stream.RecvMsg(in)
if err == io.EOF {
// read done.
return nil
}
if err != nil {
return err
}
response := &testpb.SimpleResponse{
Payload: new(testpb.Payload),
}
setPayload(response.Payload, in.ResponseType, int(in.ResponseSize))
go func() {
for {
// Using RecvMsg rather than Recv to prevent reallocation of SimpleRequest.
err := stream.RecvMsg(in)
switch status.Code(err) {
case codes.Canceled:
case codes.OK:
default:
log.Fatalf("server recv error: %v", err)
}
}
}()
go func() {
for {
err := stream.Send(response)
switch status.Code(err) {
case codes.Unavailable:
case codes.OK:
default:
log.Fatalf("server send error: %v", err)
}
}
}()
<-stream.Context().Done()
return stream.Context().Err()
}
// byteBufServer is a gRPC server that sends and receives byte buffer.
// The purpose is to benchmark the gRPC performance without protobuf serialization/deserialization overhead.
type byteBufServer struct {
respSize int32
}
// UnaryCall is an empty function and is not used for benchmark.
// If bytebuf UnaryCall benchmark is needed later, the function body needs to be updated.
func (s *byteBufServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
return &testpb.SimpleResponse{}, nil
}
func (s *byteBufServer) StreamingCall(stream testpb.BenchmarkService_StreamingCallServer) error {
for {
var in []byte
err := stream.(grpc.ServerStream).RecvMsg(&in)
if err == io.EOF {
return nil
}
if err != nil {
return err
}
out := make([]byte, s.respSize)
if err := stream.(grpc.ServerStream).SendMsg(&out); err != nil {
return err
}
}
}
func (s *byteBufServer) UnconstrainedStreamingCall(stream testpb.BenchmarkService_UnconstrainedStreamingCallServer) error {
for {
var in []byte
err := stream.(grpc.ServerStream).RecvMsg(&in)
if err == io.EOF {
return nil
}
if err != nil {
return err
}
out := make([]byte, s.respSize)
if err := stream.(grpc.ServerStream).SendMsg(&out); err != nil {
return err
}
}
}
// ServerInfo contains the information to create a gRPC benchmark server.
type ServerInfo struct {
// Type is the type of the server.
// It should be "protobuf" or "bytebuf".
Type string
// Metadata is an optional configuration.
// For "protobuf", it's ignored.
// For "bytebuf", it should be an int representing response size.
Metadata interface{}
// Listener is the network listener for the server to use
Listener net.Listener
}
// StartServer starts a gRPC server serving a benchmark service according to info.
// It returns a function to stop the server.
func StartServer(info ServerInfo, opts ...grpc.ServerOption) func() {
opts = append(opts, grpc.WriteBufferSize(128*1024))
opts = append(opts, grpc.ReadBufferSize(128*1024))
s := grpc.NewServer(opts...)
switch info.Type {
case "protobuf":
testpb.RegisterBenchmarkServiceServer(s, &testServer{})
case "bytebuf":
respSize, ok := info.Metadata.(int32)
if !ok {
grpclog.Fatalf("failed to StartServer, invalid metadata: %v, for Type: %v", info.Metadata, info.Type)
}
testpb.RegisterBenchmarkServiceServer(s, &byteBufServer{respSize: respSize})
default:
grpclog.Fatalf("failed to StartServer, unknown Type: %v", info.Type)
}
go s.Serve(info.Listener)
return func() {
s.Stop()
}
}
// DoUnaryCall performs an unary RPC with given stub and request and response sizes.
func DoUnaryCall(tc testpb.BenchmarkServiceClient, reqSize, respSize int) error {
pl := NewPayload(testpb.PayloadType_COMPRESSABLE, reqSize)
req := &testpb.SimpleRequest{
ResponseType: pl.Type,
ResponseSize: int32(respSize),
Payload: pl,
}
if _, err := tc.UnaryCall(context.Background(), req); err != nil {
return fmt.Errorf("/BenchmarkService/UnaryCall(_, _) = _, %v, want _, <nil>", err)
}
return nil
}
// DoStreamingRoundTrip performs a round trip for a single streaming rpc.
func DoStreamingRoundTrip(stream testpb.BenchmarkService_StreamingCallClient, reqSize, respSize int) error {
pl := NewPayload(testpb.PayloadType_COMPRESSABLE, reqSize)
req := &testpb.SimpleRequest{
ResponseType: pl.Type,
ResponseSize: int32(respSize),
Payload: pl,
}
if err := stream.Send(req); err != nil {
return fmt.Errorf("/BenchmarkService/StreamingCall.Send(_) = %v, want <nil>", err)
}
if _, err := stream.Recv(); err != nil {
// EOF is a valid error here.
if err == io.EOF {
return nil
}
return fmt.Errorf("/BenchmarkService/StreamingCall.Recv(_) = %v, want <nil>", err)
}
return nil
}
// DoByteBufStreamingRoundTrip performs a round trip for a single streaming rpc, using a custom codec for byte buffer.
func DoByteBufStreamingRoundTrip(stream testpb.BenchmarkService_StreamingCallClient, reqSize, respSize int) error {
out := make([]byte, reqSize)
if err := stream.(grpc.ClientStream).SendMsg(&out); err != nil {
return fmt.Errorf("/BenchmarkService/StreamingCall.(ClientStream).SendMsg(_) = %v, want <nil>", err)
}
var in []byte
if err := stream.(grpc.ClientStream).RecvMsg(&in); err != nil {
// EOF is a valid error here.
if err == io.EOF {
return nil
}
return fmt.Errorf("/BenchmarkService/StreamingCall.(ClientStream).RecvMsg(_) = %v, want <nil>", err)
}
return nil
}
// NewClientConn creates a gRPC client connection to addr.
func NewClientConn(addr string, opts ...grpc.DialOption) *grpc.ClientConn {
return NewClientConnWithContext(context.Background(), addr, opts...)
}
// NewClientConnWithContext creates a gRPC client connection to addr using ctx.
func NewClientConnWithContext(ctx context.Context, addr string, opts ...grpc.DialOption) *grpc.ClientConn {
opts = append(opts, grpc.WithWriteBufferSize(128*1024))
opts = append(opts, grpc.WithReadBufferSize(128*1024))
conn, err := grpc.DialContext(ctx, addr, opts...)
if err != nil {
grpclog.Fatalf("NewClientConn(%q) failed to create a ClientConn %v", addr, err)
}
return conn
}
You can’t perform that action at this time.