On Thu, 2011-06-02 at 18:55 +0100, Ian Jackson wrote:
> This is mainly for debugging purposes at the moment. Eventually I
> hope all commands will gain this so that -N will be a global option.
>
> In the meantime this new option is not documented and should be
> regarded as unstable.
>
> Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> ---
> tools/libxl/xl_cmdimpl.c | 34 +++++++++++++++++++++++++++++++---
> 1 files changed, 31 insertions(+), 3 deletions(-)
>
> diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
> index d2e343d..ac6d719 100644
> --- a/tools/libxl/xl_cmdimpl.c
> +++ b/tools/libxl/xl_cmdimpl.c
> @@ -4018,13 +4018,25 @@ int main_networkdetach(int argc, char **argv)
>
> int main_blockattach(int argc, char **argv)
> {
> - int opt;
> + int opt, dry_run = 0;
> uint32_t fe_domid, be_domid = 0;
> libxl_device_disk disk = { 0 };
> XLU_Config *config = 0;
>
> - if ((opt = def_getopt(argc, argv, "", "block-attach", 2)) != -1)
> - return opt;
> + while ((opt = getopt(argc, argv, "Nh")) != -1) {
You've undone part of 23299:39f2942fe56b here, not on purpose?
Ian.
> + switch (opt) {
> + case 'N':
> + /* fixme this should become a global option eventually */
> + dry_run = 1;
> + break;
> + case 'h':
> + help("block-attach");
> + return 0;
> + default:
> + fprintf(stderr, "option `%c' not supported.\n", optopt);
> + break;
> + }
> + }
> if ((argc-optind < 2)) {
> help("block-attach");
> return 2;
> @@ -4041,6 +4053,22 @@ int main_blockattach(int argc, char **argv)
>
> disk.backend_domid = be_domid;
>
> + if (dry_run) {
> + /* fixme: this should be generated from the idl */
> + /* fixme: enums (backend, format) should be converted to strings */
> + printf("disk.backend_domid = %"PRIx32"\n", disk.backend_domid);
> + printf("disk.pdev_path = %s\n", disk.pdev_path);
> + printf("disk.vdev = %s\n", disk.vdev);
> + printf("disk.backend = %d\n", disk.backend);
> + printf("disk.format = %d\n", disk.format);
> + printf("disk.script = %s\n", disk.script);
> + printf("disk.removable = %d\n", disk.removable);
> + printf("disk.readwrite = %d\n", disk.readwrite);
> + printf("disk.is_cdrom = %d\n", disk.is_cdrom);
> + if (ferror(stdout) || fflush(stdout)) { perror("stdout"); exit(-1); }
> + return 0;
> + }
> +
> if (libxl_device_disk_add(ctx, fe_domid, &disk)) {
> fprintf(stderr, "libxl_device_disk_add failed.\n");
> }
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