mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-04 16:32:02 -08:00
86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
|
// streaming-read-benchmark benchmarks the peformance of reading
|
||
|
// from /dev/zero on the server to /dev/null on the client via io.Copy.
|
||
|
package main
|
||
|
|
||
|
import (
|
||
|
"flag"
|
||
|
"fmt"
|
||
|
"io"
|
||
|
"log"
|
||
|
"net"
|
||
|
"os"
|
||
|
"syscall"
|
||
|
"time"
|
||
|
|
||
|
"golang.org/x/crypto/ssh"
|
||
|
"golang.org/x/crypto/ssh/agent"
|
||
|
|
||
|
"github.com/pkg/sftp"
|
||
|
)
|
||
|
|
||
|
var (
|
||
|
USER = flag.String("user", os.Getenv("USER"), "ssh username")
|
||
|
HOST = flag.String("host", "localhost", "ssh server hostname")
|
||
|
PORT = flag.Int("port", 22, "ssh server port")
|
||
|
PASS = flag.String("pass", os.Getenv("SOCKSIE_SSH_PASSWORD"), "ssh password")
|
||
|
SIZE = flag.Int("s", 1<<15, "set max packet size")
|
||
|
)
|
||
|
|
||
|
func init() {
|
||
|
flag.Parse()
|
||
|
}
|
||
|
|
||
|
func main() {
|
||
|
var auths []ssh.AuthMethod
|
||
|
if aconn, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK")); err == nil {
|
||
|
auths = append(auths, ssh.PublicKeysCallback(agent.NewClient(aconn).Signers))
|
||
|
|
||
|
}
|
||
|
if *PASS != "" {
|
||
|
auths = append(auths, ssh.Password(*PASS))
|
||
|
}
|
||
|
|
||
|
config := ssh.ClientConfig{
|
||
|
User: *USER,
|
||
|
Auth: auths,
|
||
|
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
|
||
|
}
|
||
|
addr := fmt.Sprintf("%s:%d", *HOST, *PORT)
|
||
|
conn, err := ssh.Dial("tcp", addr, &config)
|
||
|
if err != nil {
|
||
|
log.Fatalf("unable to connect to [%s]: %v", addr, err)
|
||
|
}
|
||
|
defer conn.Close()
|
||
|
|
||
|
c, err := sftp.NewClient(conn, sftp.MaxPacket(*SIZE))
|
||
|
if err != nil {
|
||
|
log.Fatalf("unable to start sftp subsytem: %v", err)
|
||
|
}
|
||
|
defer c.Close()
|
||
|
|
||
|
r, err := c.Open("/dev/zero")
|
||
|
if err != nil {
|
||
|
log.Fatal(err)
|
||
|
}
|
||
|
defer r.Close()
|
||
|
|
||
|
w, err := os.OpenFile("/dev/null", syscall.O_WRONLY, 0600)
|
||
|
if err != nil {
|
||
|
log.Fatal(err)
|
||
|
}
|
||
|
defer w.Close()
|
||
|
|
||
|
const size int64 = 1e9
|
||
|
|
||
|
log.Printf("reading %v bytes", size)
|
||
|
t1 := time.Now()
|
||
|
n, err := io.Copy(w, io.LimitReader(r, size))
|
||
|
if err != nil {
|
||
|
log.Fatal(err)
|
||
|
}
|
||
|
if n != size {
|
||
|
log.Fatalf("copy: expected %v bytes, got %d", size, n)
|
||
|
}
|
||
|
log.Printf("read %v bytes in %s", size, time.Since(t1))
|
||
|
}
|