package tdx import ( "context" "github.com/injoyai/ios" "net" "strings" "time" ) func NewHostDial(hosts []string, timeout time.Duration) ios.DialFunc { if len(hosts) == 0 { hosts = Hosts } index := 0 return func(ctx context.Context) (ios.ReadWriteCloser, string, error) { defer func() { index++ }() if index >= len(hosts) { index = 0 } addr := hosts[index] if !strings.Contains(addr, ":") { addr += ":7709" } c, err := net.DialTimeout("tcp", addr, timeout) return c, hosts[index], err } }