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/*
*
* 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 (
"fmt"
"io"
"net"
"sync"
"testing"
"time"
"golang.org/x/net/context"
"google.golang.org/grpc"
testpb "google.golang.org/grpc/benchmark/grpc_testing"
"google.golang.org/grpc/benchmark/latency"
"google.golang.org/grpc/benchmark/stats"
"google.golang.org/grpc/grpclog"
)
// AddOne add 1 to the features slice
func AddOne(features []int, featuresMaxPosition []int) {
for i := len(features) - 1; i >= 0; i-- {
features[i] = (features[i] + 1)
if features[i]/featuresMaxPosition[i] == 0 {
break
}
features[i] = features[i] % featuresMaxPosition[i]
}
}
// 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
}
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
}
}
}
// 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
}
}
}
// 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
}
func runUnary(b *testing.B, benchFeatures stats.Features) {
s := stats.AddStats(b, 38)
nw := &latency.Network{Kbps: benchFeatures.Kbps, Latency: benchFeatures.Latency, MTU: benchFeatures.Mtu}
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
target := lis.Addr().String()
lis = nw.Listener(lis)
stopper := StartServer(ServerInfo{Type: "protobuf", Listener: lis}, grpc.MaxConcurrentStreams(uint32(benchFeatures.MaxConcurrentCalls+1)))
defer stopper()
conn := NewClientConn(
target, grpc.WithInsecure(),
grpc.WithDialer(func(address string, timeout time.Duration) (net.Conn, error) {
return nw.TimeoutDialer(net.DialTimeout)("tcp", address, timeout)
}),
)
tc := testpb.NewBenchmarkServiceClient(conn)
// Warm up connection.
for i := 0; i < 10; i++ {
unaryCaller(tc, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
}
ch := make(chan int, benchFeatures.MaxConcurrentCalls*4)
var (
mu sync.Mutex
wg sync.WaitGroup
)
wg.Add(benchFeatures.MaxConcurrentCalls)
// Distribute the b.N calls over maxConcurrentCalls workers.
for i := 0; i < benchFeatures.MaxConcurrentCalls; i++ {
go func() {
for range ch {
start := time.Now()
unaryCaller(tc, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
elapse := time.Since(start)
mu.Lock()
s.Add(elapse)
mu.Unlock()
}
wg.Done()
}()
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
ch <- i
}
close(ch)
wg.Wait()
b.StopTimer()
conn.Close()
}
func runStream(b *testing.B, benchFeatures stats.Features) {
s := stats.AddStats(b, 38)
nw := &latency.Network{Kbps: benchFeatures.Kbps, Latency: benchFeatures.Latency, MTU: benchFeatures.Mtu}
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
target := lis.Addr().String()
lis = nw.Listener(lis)
stopper := StartServer(ServerInfo{Type: "protobuf", Listener: lis}, grpc.MaxConcurrentStreams(uint32(benchFeatures.MaxConcurrentCalls+1)))
defer stopper()
conn := NewClientConn(
target, grpc.WithInsecure(),
grpc.WithDialer(func(address string, timeout time.Duration) (net.Conn, error) {
return nw.TimeoutDialer(net.DialTimeout)("tcp", address, timeout)
}),
)
tc := testpb.NewBenchmarkServiceClient(conn)
// Warm up connection.
stream, err := tc.StreamingCall(context.Background())
if err != nil {
b.Fatalf("%v.StreamingCall(_) = _, %v", tc, err)
}
for i := 0; i < 10; i++ {
streamCaller(stream, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
}
ch := make(chan struct{}, benchFeatures.MaxConcurrentCalls*4)
var (
mu sync.Mutex
wg sync.WaitGroup
)
wg.Add(benchFeatures.MaxConcurrentCalls)
// Distribute the b.N calls over maxConcurrentCalls workers.
for i := 0; i < benchFeatures.MaxConcurrentCalls; i++ {
stream, err := tc.StreamingCall(context.Background())
if err != nil {
b.Fatalf("%v.StreamingCall(_) = _, %v", tc, err)
}
go func() {
for range ch {
start := time.Now()
streamCaller(stream, benchFeatures.ReqSizeBytes, benchFeatures.RespSizeBytes)
elapse := time.Since(start)
mu.Lock()
s.Add(elapse)
mu.Unlock()
}
wg.Done()
}()
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
ch <- struct{}{}
}
close(ch)
wg.Wait()
b.StopTimer()
conn.Close()
}
func unaryCaller(client testpb.BenchmarkServiceClient, reqSize, respSize int) {
if err := DoUnaryCall(client, reqSize, respSize); err != nil {
grpclog.Fatalf("DoUnaryCall failed: %v", err)
}
}
func streamCaller(stream testpb.BenchmarkService_StreamingCallClient, reqSize, respSize int) {
if err := DoStreamingRoundTrip(stream, reqSize, respSize); err != nil {
grpclog.Fatalf("DoStreamingRoundTrip failed: %v", err)
}
}
Go
1
https://gitee.com/wangHvip/grpc-go.git
git@gitee.com:wangHvip/grpc-go.git
wangHvip
grpc-go
grpc-go
v1.14.0

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