main.go
1.03 KB
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package main
import (
"bufio"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"os/exec"
)
func main() {
var host string
var out io.Writer
if l := len(os.Args); l == 1 {
b, err := ioutil.ReadFile("host.iperf")
if err != nil {
host = "172.30.0.1"
} else {
host = string(b)
}
out = os.Stdout
} else if l == 2 {
host = os.Args[1]
out = os.Stdout
} else {
f, err := os.OpenFile(os.Args[2], os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil {
log.Fatal(err)
}
defer f.Close()
host = os.Args[1]
out = f
}
test("hw-ethernet", host, out)
}
func test(code, host string, out io.Writer) {
c := exec.Command("iperf", "-c", host, "-i", "1", "-t", "10")
stdout, err := c.StdoutPipe()
err = c.Start()
if err != nil {
log.Fatal(err)
}
state := 0
s := bufio.NewScanner(stdout)
for s.Scan() {
fmt.Fprintf(out, "{\"%v\": {\"progress\": %v, \"result\": \"%v\"}}\n", code, state, s.Text())
if state < 90 {
state += 10
}
}
fmt.Fprintf(out, "{\"%v\": {\"progress\": 100, \"result\": \"\"}}\n", code)
}