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Re: [Qemu-devel] [PATCH 3/7] monitor: Add migrate_set_capability complet


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PATCH 3/7] monitor: Add migrate_set_capability completion.
Date: Wed, 21 May 2014 19:42:12 +0100
User-agent: Mutt/1.5.23 (2014-03-12)

* Hani Benhabiles (address@hidden) wrote:
> Signed-off-by: Hani Benhabiles <address@hidden>
> ---
>  hmp-commands.hx |  1 +
>  hmp.h           |  2 ++
>  monitor.c       | 21 +++++++++++++++++++++
>  3 files changed, 24 insertions(+)
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 45e1763..919af6e 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -975,6 +975,7 @@ ETEXI
>          .params     = "capability state",
>          .help       = "Enable/Disable the usage of a capability for 
> migration",
>          .mhandler.cmd = hmp_migrate_set_capability,
> +        .command_completion = migrate_set_capability_completion,
>      },
>  
>  STEXI
> diff --git a/hmp.h b/hmp.h
> index a70804d..0c814d0 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -107,5 +107,7 @@ void ringbuf_write_completion(ReadLineState *rs, int 
> nb_args, const char *str);
>  void ringbuf_read_completion(ReadLineState *rs, int nb_args, const char 
> *str);
>  void watchdog_action_completion(ReadLineState *rs, int nb_args,
>                                  const char *str);
> +void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
> +                                       const char *str);

Thank you for doing this; I spend way too much time typing these commands.

>  #endif
> diff --git a/monitor.c b/monitor.c
> index fb300c2..6a3a5c9 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -4572,6 +4572,27 @@ void watchdog_action_completion(ReadLineState *rs, int 
> nb_args, const char *str)
>      add_completion_option(rs, str, "none");
>  }
>  
> +void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
> +                                       const char *str)
> +{
> +    size_t len;
> +
> +    len = strlen(str);
> +    readline_set_completion_index(rs, len);
> +    if (nb_args == 2) {
> +        int i;
> +        for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
> +            const char *name = MigrationCapability_lookup[i];
> +            if (!strncmp(str, name, len)) {
> +                readline_add_completion(rs, name);
> +            }
> +        }
> +    } else if (nb_args == 3) {
> +        add_completion_option(rs, str, "on");
> +        add_completion_option(rs, str, "off");
> +    }

It's a shame you have to do all of these manually; if we could tell something
that we had an enum of 'MigrationCapability' then it could remove the command
specific glue.

Dave

> +}
> +
>  static void monitor_find_completion_by_table(Monitor *mon,
>                                               const mon_cmd_t *cmd_table,
>                                               char **args,
> -- 
> 1.8.3.2
> 
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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