func checkSealedCopy(cmd *seal.Command, c *gcli.Context) error {
cmd.Verify = c.Bool(verifyAfterCopy)
// have to do init ourselves as we set amount of writers
nr, level, filters, err := cli.CheckCommonFlags(c)
if err != nil {
return err
}
nw := c.Int(streamsPerOutputDevice)
if nw < 1 {
return fmt.Errorf("--%v must not be smaller than 1", streamsPerOutputDevice)
}
return cmd.Init(nr, nw, c.Args(), level, filters)
}
func startSealedCopy(cmd *seal.Command, c *gcli.Context) {
// Yes, currently the post-verification is only implemented in the CLI ...
// Testing needs to do similar things to set it up ...
if cmd.Verify {
// Setup a aggregation result handler which tracks produced indices
var indices []string
cmdDone := make(chan bool)
handler := cli.MakeLogHandler(cmd.LogLevel())
aggHandler := api.IndexTrackingResultHandlerAdapter(&indices, handler)
// and run ourselves
err := api.StartEngine(cmd, aggHandler)
// Make sure we don't keep logging while verification is going with its own handler
close(cmdDone)
if err == nil && len(indices) == 0 {
panic("Unexpectedly I didn't see a single seal index without error")
} else if len(indices) > 0 {
// no matter whether we have an error, try to verify what's there
select {
case <-cmd.Done:
// this does nothing, most importantly, it doesn't run verify, as we don't run it
// after cancellation. It's arguable whether we migth want to do that anyway
// as the index is valid !
default:
{
// prepare and run a verify command
verifycmd, err := verify.NewCommand(indices, c.GlobalInt(cli.StreamsPerInputDeviceFlagName))
if err == nil {
err = api.StartEngine(verifycmd, handler)
}
}
}
}
// Finally, exit with appropriate error code
if err != nil {
os.Exit(1)
}
} else {
// copy without verify
cli.RunAction(cmd, c)
}
}
func checkSeal(cmd *seal.Command, c *gcli.Context) error {
cmd.Format = c.String(formatFlag)
if len(cmd.Format) > 0 {
valid := false
for _, name := range codec.Names() {
if name == cmd.Format {
valid = true
break
}
}
if !valid {
return fmt.Errorf("Invalid seal format '%s', must be one of %s", cmd.Format, strings.Join(codec.Names(), ", "))
}
}
if err := cli.CheckCommonFlagsAndInit(cmd, c); err != nil {
return err
}
return nil
}