package main import ( "crypto/tls" "fmt" "log" "net" "net/http" "os" "os/exec" "time" "github.com/go-ping/ping" "github.com/naiba/nezha/pkg/utils" "github.com/shirou/gopsutil/v3/disk" ) func main() { // icmp() // tcpping() // httpWithSSLInfo() // diskinfo() cmdExec() } func tcpping() { start := time.Now() conn, err := net.DialTimeout("tcp", "example.com:80", time.Second*10) if err != nil { panic(err) } conn.Write([]byte("ping\n")) conn.Close() fmt.Println(time.Now().Sub(start).Microseconds(), float32(time.Now().Sub(start).Microseconds())/1000.0) } func diskinfo() { // 硬盘信息 dparts, _ := disk.Partitions(false) for _, part := range dparts { u, _ := disk.Usage(part.Mountpoint) if u != nil { log.Printf("%s %d %d", part.Device, u.Total, u.Used) } } } func httpWithSSLInfo() { // 跳过 SSL 检查 transCfg := &http.Transport{ TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, } httpClient := &http.Client{Transport: transCfg, CheckRedirect: func(req *http.Request, via []*http.Request) error { return http.ErrUseLastResponse }} resp, err := httpClient.Get("http://mail.nai.ba") fmt.Println(err, resp.StatusCode) // SSL 证书信息获取 // c := cert.NewCert("expired-ecc-dv.ssl.com") // fmt.Println(c.Error) } func icmp() { pinger, err := ping.NewPinger("10.10.10.2") if err != nil { panic(err) // Blocks until finished. } pinger.Count = 3000 pinger.Timeout = 10 * time.Second if err = pinger.Run(); err != nil { panic(err) } fmt.Println(pinger.PacketsRecv, float32(pinger.Statistics().AvgRtt.Microseconds())/1000.0) } func cmdExec() { execFrom, err := os.Getwd() if err != nil { panic(err) } var cmd *exec.Cmd pg, err := utils.NewProcessExitGroup() if err != nil { panic(err) } if utils.IsWindows() { cmd = exec.Command("cmd", "/c", execFrom+"/cmd/playground/example.sh hello asd") } else { cmd = exec.Command("sh", "-c", execFrom+`/cmd/playground/example.sh hello && \ echo world!`) } pg.AddProcess(cmd) go func() { time.Sleep(time.Second * 2) if err = pg.Dispose(); err != nil { panic(err) } fmt.Println("killed") }() output, err := cmd.Output() log.Println("output:", string(output)) log.Println("err:", err) }