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Re: [libvirt] [PATCH 7/7] virt-admin: Introduce command client-info



On 29.04.2016 15:45, Erik Skultety wrote:
> Wire-up the client identity getter into virt-admin tool. This patch adjusts
> man-page accordingly.
> 
> Signed-off-by: Erik Skultety <eskultet redhat com>
> ---
>  tools/virt-admin.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 91 insertions(+)

Missing documentation.

> 
> diff --git a/tools/virt-admin.c b/tools/virt-admin.c
> index f0fecdd..72c54ae 100644
> --- a/tools/virt-admin.c
> +++ b/tools/virt-admin.c
> @@ -655,6 +655,91 @@ cmdSrvClientsList(vshControl *ctl, const vshCmd *cmd)
>      return ret;
>  }
>  
> +/* -------------------
> + * Command client-info
> + * -------------------
> + */
> +
> +static const vshCmdInfo info_client_info[] = {
> +    {.name = "help",
> +     .data = N_("retrieve client's identity info from <server>")
> +    },
> +    {.name = "desc",
> +     .data = N_("Retrieve identity details about <client> from <server>")
> +    },
> +    {.name = NULL}
> +};
> +
> +static const vshCmdOptDef opts_client_info[] = {
> +    {.name = "client",
> +     .type = VSH_OT_DATA,
> +     .flags = VSH_OFLAG_REQ,
> +     .help = N_("client which to retrieve identity information for"),
> +    },
> +    {.name = "server",
> +     .type = VSH_OT_DATA,
> +     .flags = VSH_OFLAG_REQ,
> +     .help = N_("server to which <client> is connected to"),
> +    },
> +    {.name = NULL}

I wonder if we should reverse the order of these two. Server is more
important than client. But maybe I'm bikeshedding, so whatever is your
gut feeling.

> +};
> +
> +static bool
> +cmdClientInfo(vshControl *ctl, const vshCmd *cmd)
> +{
> +    bool ret = false;
> +    size_t i;
> +    unsigned long long id;
> +    const char *srvname = NULL;
> +    char *timestr = NULL;
> +    virAdmServerPtr srv = NULL;
> +    virAdmClientPtr clnt = NULL;
> +    virTypedParameterPtr params = NULL;
> +    int nparams = 0;
> +    vshAdmControlPtr priv = ctl->privData;
> +
> +    if (vshCommandOptULongLong(ctl, cmd, "client", &id) < 0)
> +        return false;
> +
> +    if (vshCommandOptStringReq(ctl, cmd, "server", &srvname) < 0)
> +        return false;
> +
> +    if (!(srv = virAdmConnectLookupServer(priv->conn, srvname, 0)) ||
> +        !(clnt = virAdmServerLookupClient(srv, id, 0)))
> +        goto cleanup;
> +
> +    /* Retrieve client identity info */
> +    if (virAdmClientGetInfo(clnt, &params, &nparams, 0) < 0) {
> +        vshError(ctl, _("failed to retrieve client identity information for "
> +                        "client '%llu' connected to server '%s'"),
> +                        id, virAdmServerGetName(srv));
> +        goto cleanup;
> +    }
> +
> +    if (vshAdmGetTimeStr(ctl, virAdmClientGetTimestamp(clnt), &timestr) < 0)
> +        goto cleanup;
> +
> +    /* this info is provided by the client object itself */
> +    vshPrint(ctl, "%-15s: %llu\n", "id", virAdmClientGetID(clnt));
> +    vshPrint(ctl, "%-15s: %s\n", "connection_time", timestr);
> +    vshPrint(ctl, "%-15s: %s\n", "transport",
> +             vshAdmClientTransportToString(virAdmClientGetTransport(clnt)));
> +
> +    for (i = 0; i < nparams; i++) {
> +        char *str = vshGetTypedParamValue(ctl, &params[i]);
> +        vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
> +        VIR_FREE(str);
> +    }
> +
> +    ret = true;
> +
> + cleanup:
> +    virTypedParamsFree(params, nparams);
> +    virAdmServerFree(srv);
> +    virAdmClientFree(clnt);
> +    VIR_FREE(timestr);
> +    return ret;
> +}
>  static void *
>  vshAdmConnectionHandler(vshControl *ctl)
>  {
> @@ -966,6 +1051,12 @@ static const vshCmdDef monitoringCmds[] = {
>       .info = info_srv_clients_list,
>       .flags = 0
>      },
> +    {.name = "client-info",
> +     .handler = cmdClientInfo,
> +     .opts = opts_client_info,
> +     .info = info_client_info,
> +     .flags = 0
> +    },
>      {.name = NULL}
>  };
>  
> 

Michal


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