forked from seaweedfs/seaweedfs
/
stress_filer_upload.go
150 lines (125 loc) · 3 KB
/
stress_filer_upload.go
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package main
import (
"bytes"
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"math/rand"
"mime/multipart"
"net/http"
"os"
"path/filepath"
"strings"
"sync"
"time"
)
var (
dir = flag.String("dir", ".", "upload files under this directory")
concurrency = flag.Int("c", 1, "concurrent number of uploads")
times = flag.Int("n", 1, "repeated number of times")
destination = flag.String("to", "http://localhost:8888/", "destination directory on filer")
statsChan = make(chan stat, 8)
)
type stat struct {
size int64
}
func main() {
flag.Parse()
var fileNames []string
files, err := ioutil.ReadDir(*dir)
if err != nil {
log.Fatalf("fail to read dir %v: %v", *dir, err)
}
for _, file := range files {
if file.IsDir() {
continue
}
fileNames = append(fileNames, filepath.Join(*dir, file.Name()))
}
var wg sync.WaitGroup
for x := 0; x < *concurrency; x++ {
wg.Add(1)
client := &http.Client{}
go func() {
defer wg.Done()
rand.Shuffle(len(fileNames), func(i, j int) {
fileNames[i], fileNames[j] = fileNames[j], fileNames[i]
})
for t := 0; t < *times; t++ {
for _, filename := range fileNames {
if size, err := uploadFileToFiler(client, filename, *destination); err == nil {
statsChan <- stat{
size: size,
}
}
}
}
}()
}
go func() {
ticker := time.NewTicker(500 * time.Millisecond)
var lastTime time.Time
var counter, size int64
for {
select {
case stat := <-statsChan:
size += stat.size
counter++
case x := <-ticker.C:
if !lastTime.IsZero() {
elapsed := x.Sub(lastTime).Seconds()
fmt.Fprintf(os.Stdout, "%.2f files/s, %.2f MB/s\n",
float64(counter)/elapsed,
float64(size/1024/1024)/elapsed)
}
lastTime = x
size = 0
counter = 0
}
}
}()
wg.Wait()
}
func uploadFileToFiler(client *http.Client, filename, destination string) (size int64, err error) {
file, err := os.Open(filename)
if err != nil {
panic(err)
}
defer file.Close()
fi, err := file.Stat()
if !strings.HasSuffix(destination, "/") {
destination = destination + "/"
}
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
part, err := writer.CreateFormFile("file", file.Name())
if err != nil {
return 0, fmt.Errorf("fail to create form %v: %v", file.Name(), err)
}
_, err = io.Copy(part, file)
if err != nil {
return 0, fmt.Errorf("fail to write part %v: %v", file.Name(), err)
}
err = writer.Close()
if err != nil {
return 0, fmt.Errorf("fail to write part %v: %v", file.Name(), err)
}
uri := destination + file.Name()
request, err := http.NewRequest("POST", uri, body)
request.Header.Set("Content-Type", writer.FormDataContentType())
resp, err := client.Do(request)
if err != nil {
return 0, fmt.Errorf("http POST %s: %v", uri, err)
} else {
body := &bytes.Buffer{}
_, err := body.ReadFrom(resp.Body)
if err != nil {
return 0, fmt.Errorf("read http POST %s response: %v", uri, err)
}
io.Copy(ioutil.Discard, resp.Body)
resp.Body.Close()
}
return fi.Size(), nil
}