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确定后同步将在后台操作,完成时将刷新页面,请耐心等待。
// Copyright 2021 CloudWeGo 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.
package netpoll
import (
"syscall"
"testing"
)
func TestWritev(t *testing.T) {
r, w := GetSysFdPairs()
var barrier = barrier{}
barrier.bs = [][]byte{
[]byte(""), // len=0
[]byte("first line"), // len=10
[]byte("second line"), // len=11
[]byte("third line"), // len=10
}
barrier.ivs = make([]syscall.Iovec, len(barrier.bs))
wn, err := writev(w, barrier.bs, barrier.ivs)
MustNil(t, err)
Equal(t, wn, 31)
var p = make([]byte, 50)
rn, err := syscall.Read(r, p)
MustNil(t, err)
Equal(t, rn, 31)
t.Logf("READ %s", p[:rn])
}
func TestReadv(t *testing.T) {
r, w := GetSysFdPairs()
vs := [][]byte{
[]byte("first line"), // len=10
[]byte("second line"), // len=11
[]byte("third line"), // len=10
}
w1, _ := syscall.Write(w, vs[0])
w2, _ := syscall.Write(w, vs[1])
w3, _ := syscall.Write(w, vs[2])
Equal(t, w1+w2+w3, 31)
var barrier = barrier{}
barrier.bs = [][]byte{
make([]byte, 0),
make([]byte, 10),
make([]byte, 11),
make([]byte, 10),
}
barrier.ivs = make([]syscall.Iovec, len(barrier.bs))
rn, err := readv(r, barrier.bs, barrier.ivs)
MustNil(t, err)
Equal(t, rn, 31)
for i, v := range barrier.bs {
t.Logf("READ [%d] %s", i, v)
}
}
func TestSendmsg(t *testing.T) {
r, w := GetSysFdPairs()
var barrier = barrier{}
barrier.bs = [][]byte{
[]byte(""), // len=0
[]byte("first line"), // len=10
[]byte("second line"), // len=11
[]byte("third line"), // len=10
}
barrier.ivs = make([]syscall.Iovec, len(barrier.bs))
wn, err := sendmsg(w, barrier.bs, barrier.ivs, false)
MustNil(t, err)
Equal(t, wn, 31)
var p = make([]byte, 50)
rn, err := syscall.Read(r, p)
MustNil(t, err)
Equal(t, rn, 31)
t.Logf("READ %s", p[:rn])
}
func BenchmarkWrite(b *testing.B) {
b.StopTimer()
r, w := GetSysFdPairs()
message := "hello, world!"
size := 5
go func() {
buffer := make([]byte, 13)
for {
syscall.Read(r, buffer)
}
}()
// benchmark
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
var wmsg = make([]byte, len(message)*5)
var n int
for j := 0; j < size; j++ {
n += copy(wmsg[n:], message)
}
syscall.Write(w, wmsg)
}
}
func BenchmarkWritev(b *testing.B) {
b.StopTimer()
r, w := GetSysFdPairs()
message := "hello, world!"
size := 5
var barrier = barrier{}
barrier.bs = make([][]byte, size)
barrier.ivs = make([]syscall.Iovec, len(barrier.bs))
for i := range barrier.bs {
barrier.bs[i] = make([]byte, len(message))
}
go func() {
buffer := make([]byte, 13)
for {
syscall.Read(r, buffer)
}
}()
// benchmark
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
writev(w, barrier.bs, barrier.ivs)
}
}
func BenchmarkSendmsg(b *testing.B) {
b.StopTimer()
r, w := GetSysFdPairs()
message := "hello, world!"
size := 5
var barrier = barrier{}
barrier.bs = make([][]byte, size)
barrier.ivs = make([]syscall.Iovec, len(barrier.bs))
for i := range barrier.bs {
barrier.bs[i] = make([]byte, len(message))
}
go func() {
buffer := make([]byte, 13)
for {
syscall.Read(r, buffer)
}
}()
// benchmark
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
sendmsg(w, barrier.bs, barrier.ivs, false)
}
}
func BenchmarkRead(b *testing.B) {
b.StopTimer()
r, w := GetSysFdPairs()
message := "hello, world!"
size := 5
wmsg := make([]byte, size*len(message))
var n int
for j := 0; j < size; j++ {
n += copy(wmsg[n:], message)
}
go func() {
for {
syscall.Write(w, wmsg)
}
}()
// benchmark
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
var buffer = make([]byte, size*len(message))
syscall.Read(r, buffer)
}
}
func BenchmarkReadv(b *testing.B) {
b.StopTimer()
r, w := GetSysFdPairs()
message := "hello, world!"
size := 5
var barrier = barrier{}
barrier.bs = make([][]byte, size)
barrier.ivs = make([]syscall.Iovec, len(barrier.bs))
for i := range barrier.bs {
barrier.bs[i] = make([]byte, len(message))
}
go func() {
for {
writeAll(w, []byte(message))
}
}()
// benchmark
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
readv(r, barrier.bs, barrier.ivs)
}
}
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