forked from smallnest/rpcx
/
grpc_client.go
145 lines (116 loc) · 3.36 KB
/
grpc_client.go
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package main
import (
"flag"
"reflect"
"sync"
"sync/atomic"
"time"
"github.com/gogo/protobuf/proto"
"github.com/montanaflynn/stats"
"github.com/smallnest/rpcx/log"
"golang.org/x/net/context"
"google.golang.org/grpc"
)
var concurrency = flag.Int("c", 1, "concurrency")
var total = flag.Int("n", 1, "total requests for all clients")
var host = flag.String("s", "127.0.0.1:8972", "listened ip and port")
func main() {
flag.Parse()
n := *concurrency
m := *total / n
log.Infof("concurrency: %d\nrequests per client: %d\n\n", n, m)
args := prepareArgs()
b, _ := proto.Marshal(args)
log.Infof("message size: %d bytes\n\n", len(b))
var wg sync.WaitGroup
wg.Add(n * m)
var trans uint64
var transOK uint64
d := make([][]int64, n, n)
//it contains warmup time but we can ignore it
totalT := time.Now().UnixNano()
for i := 0; i < n; i++ {
dt := make([]int64, 0, m)
d = append(d, dt)
go func(i int) {
conn, err := grpc.Dial(*host, grpc.WithInsecure())
if err != nil {
log.Fatalf("did not connect: %v", err)
}
c := NewHelloClient(conn)
//warmup
for j := 0; j < 5; j++ {
c.Say(context.Background(), args)
}
for j := 0; j < m; j++ {
t := time.Now().UnixNano()
reply, err := c.Say(context.Background(), args)
t = time.Now().UnixNano() - t
d[i] = append(d[i], t)
if err == nil && *(reply.Field1) == "OK" {
atomic.AddUint64(&transOK, 1)
}
atomic.AddUint64(&trans, 1)
wg.Done()
}
conn.Close()
}(i)
}
wg.Wait()
totalT = time.Now().UnixNano() - totalT
totalT = totalT / 1000000
log.Infof("took %d ms for %d requests\n", totalT, n*m)
totalD := make([]int64, 0, n*m)
for _, k := range d {
totalD = append(totalD, k...)
}
totalD2 := make([]float64, 0, n*m)
for _, k := range totalD {
totalD2 = append(totalD2, float64(k))
}
mean, _ := stats.Mean(totalD2)
median, _ := stats.Median(totalD2)
max, _ := stats.Max(totalD2)
min, _ := stats.Min(totalD2)
p99, _ := stats.Percentile(totalD2, 99.9)
log.Infof("sent requests : %d\n", n*m)
log.Infof("received requests : %d\n", atomic.LoadUint64(&trans))
log.Infof("received requests_OK : %d\n", atomic.LoadUint64(&transOK))
log.Infof("throughput (TPS) : %d\n", int64(n*m)*1000/totalT)
log.Infof("mean: %.f ns, median: %.f ns, max: %.f ns, min: %.f ns, p99: %.f ns\n", mean, median, max, min, p99)
log.Infof("mean: %d ms, median: %d ms, max: %d ms, min: %d ms, p99: %d ms\n", int64(mean/1000000), int64(median/1000000), int64(max/1000000), int64(min/1000000), int64(p99/1000000))
}
func prepareArgs() *BenchmarkMessage {
b := true
var i int32 = 100000
var i64 int64 = 100000
var s = "许多往事在眼前一幕一幕,变的那麼模糊"
var args BenchmarkMessage
v := reflect.ValueOf(&args).Elem()
num := v.NumField()
for k := 0; k < num; k++ {
field := v.Field(k)
if field.Type().Kind() == reflect.Ptr {
switch v.Field(k).Type().Elem().Kind() {
case reflect.Int, reflect.Int32:
field.Set(reflect.ValueOf(&i))
case reflect.Int64:
field.Set(reflect.ValueOf(&i64))
case reflect.Bool:
field.Set(reflect.ValueOf(&b))
case reflect.String:
field.Set(reflect.ValueOf(&s))
}
} else {
switch field.Kind() {
case reflect.Int, reflect.Int32, reflect.Int64:
field.SetInt(100000)
case reflect.Bool:
field.SetBool(true)
case reflect.String:
field.SetString(s)
}
}
}
return &args
}