[PATCH 2/2] mbimcli: new '--query-pco' action

Aleksander Morgado aleksander at aleksander.es
Fri Jul 27 09:58:01 UTC 2018


On Fri, Jul 27, 2018 at 8:38 AM, Ben Chan <benchan at chromium.org> wrote:
> Change-Id: I7f24d481cb92b2e817eba487d38739b8fed58b28
> ---
>  docs/man/Makefile.am                          |   1 +
>  src/mbimcli/Makefile.am                       |   1 +
>  .../mbimcli-basic-connect-extensions.c        | 246 ++++++++++++++++++
>  src/mbimcli/mbimcli.c                         |   8 +
>  src/mbimcli/mbimcli.h                         |   4 +
>  5 files changed, 260 insertions(+)
>  create mode 100644 src/mbimcli/mbimcli-basic-connect-extensions.c
>

LGTM, go on and merge

> diff --git a/docs/man/Makefile.am b/docs/man/Makefile.am
> index bb32c48..53648f5 100644
> --- a/docs/man/Makefile.am
> +++ b/docs/man/Makefile.am
> @@ -7,6 +7,7 @@ dist_man_MANS = \
>  MBIMCLI_SOURCES_WITH_HELP = \
>         $(top_srcdir)/src/mbimcli/mbimcli-atds.c \
>         $(top_srcdir)/src/mbimcli/mbimcli-basic-connect.c \
> +       $(top_srcdir)/src/mbimcli/mbimcli-basic-connect-extensions.c \
>         $(top_srcdir)/src/mbimcli/mbimcli-dss.c \
>         $(top_srcdir)/src/mbimcli/mbimcli-ms-firmware-id.c \
>         $(top_srcdir)/src/mbimcli/mbimcli-ms-host-shutdown.c \
> diff --git a/src/mbimcli/Makefile.am b/src/mbimcli/Makefile.am
> index 48f272f..ee213cc 100644
> --- a/src/mbimcli/Makefile.am
> +++ b/src/mbimcli/Makefile.am
> @@ -14,6 +14,7 @@ mbimcli_SOURCES = \
>         mbimcli.h mbimcli.c \
>         mbimcli-helpers.h mbimcli-helpers.c \
>         mbimcli-basic-connect.c \
> +       mbimcli-basic-connect-extensions.c \
>         mbimcli-phonebook.c \
>         mbimcli-dss.c \
>         mbimcli-ms-firmware-id.c \
> diff --git a/src/mbimcli/mbimcli-basic-connect-extensions.c b/src/mbimcli/mbimcli-basic-connect-extensions.c
> new file mode 100644
> index 0000000..112905c
> --- /dev/null
> +++ b/src/mbimcli/mbimcli-basic-connect-extensions.c
> @@ -0,0 +1,246 @@
> +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
> +/*
> + * mbimcli -- Command line interface to control MBIM devices
> + *
> + * This program is free software: you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation, either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program.  If not, see <http://www.gnu.org/licenses/>.
> + *
> + * Copyright 2018 Google LLC
> + */
> +
> +#include "config.h"
> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <locale.h>
> +#include <string.h>
> +#include <errno.h>
> +
> +#include <glib.h>
> +#include <gio/gio.h>
> +
> +#include <libmbim-glib.h>
> +
> +#include "mbim-common.h"
> +#include "mbimcli.h"
> +
> +/* Context */
> +typedef struct {
> +    MbimDevice *device;
> +    GCancellable *cancellable;
> +} Context;
> +static Context *ctx;
> +
> +/* Options */
> +static gchar *query_pco_str;
> +
> +static gboolean query_pco_arg_parse (const char *option_name,
> +                                     const char *value,
> +                                     gpointer user_data,
> +                                     GError **error);
> +
> +static GOptionEntry entries[] = {
> +    { "query-pco", 0, G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK, G_CALLBACK (query_pco_arg_parse),
> +      "Query PCO value (SessionID is optional, defaults to 0)",
> +      "[SessionID]"
> +    },
> +    { NULL }
> +};
> +
> +static gboolean
> +query_pco_arg_parse (const char *option_name,
> +                     const char *value,
> +                     gpointer user_data,
> +                     GError **error)
> +{
> +    query_pco_str = g_strdup (value ? value : "0");
> +    return TRUE;
> +}
> +
> +GOptionGroup *
> +mbimcli_basic_connect_extensions_get_option_group (void)
> +{
> +   GOptionGroup *group;
> +
> +   group = g_option_group_new ("basic-connect-extensions",
> +                               "Basic Connect Extensions options",
> +                               "Show Basic Connect Extensions Service options",
> +                               NULL,
> +                               NULL);
> +   g_option_group_add_entries (group, entries);
> +
> +   return group;
> +}
> +
> +static gboolean
> +session_id_parse (const gchar  *str,
> +                  guint32      *session_id,
> +                  GError      **error)
> +{
> +    gchar *endptr = NULL;
> +    gint64 n;
> +
> +    g_assert (str != NULL);
> +    g_assert (session_id != NULL);
> +
> +    if (!str[0]) {
> +        *session_id = 0;
> +        return TRUE;
> +    }
> +
> +    errno = 0;
> +    n = g_ascii_strtoll (str, &endptr, 10);
> +    if (errno || n < 0 || n > 255 || ((endptr - str) < strlen (str))) {
> +        g_set_error (error,
> +                     MBIM_CORE_ERROR,
> +                     MBIM_CORE_ERROR_FAILED,
> +                     "couldn't parse session ID '%s' (must be 0 - 255)",
> +                     str);
> +        return FALSE;
> +    }
> +    *session_id = (guint32) n;
> +
> +    return TRUE;
> +}
> +
> +gboolean
> +mbimcli_basic_connect_extensions_options_enabled (void)
> +{
> +    static guint n_actions = 0;
> +    static gboolean checked = FALSE;
> +
> +    if (checked)
> +        return !!n_actions;
> +
> +    n_actions = !!query_pco_str;
> +
> +    if (n_actions > 1) {
> +        g_printerr ("error: too many Basic Connect Extensions Service actions requested\n");
> +        exit (EXIT_FAILURE);
> +    }
> +
> +    checked = TRUE;
> +    return !!n_actions;
> +}
> +
> +static void
> +context_free (Context *context)
> +{
> +    if (!context)
> +        return;
> +
> +    if (context->cancellable)
> +        g_object_unref (context->cancellable);
> +    if (context->device)
> +        g_object_unref (context->device);
> +    g_slice_free (Context, context);
> +}
> +
> +static void
> +shutdown (gboolean operation_status)
> +{
> +    /* Cleanup context and finish async operation */
> +    context_free (ctx);
> +    mbimcli_async_operation_done (operation_status);
> +}
> +
> +static void
> +query_pco_ready (MbimDevice   *device,
> +                 GAsyncResult *res)
> +{
> +    MbimMessage *response;
> +    GError *error = NULL;
> +    MbimPcoValue *pco_value;
> +    gchar *pco_data;
> +
> +    response = mbim_device_command_finish (device, res, &error);
> +    if (!response || !mbim_message_response_get_result (response, MBIM_MESSAGE_TYPE_COMMAND_DONE, &error)) {
> +        g_printerr ("error: operation failed: %s\n", error->message);
> +        g_error_free (error);
> +        if (response)
> +            mbim_message_unref (response);
> +        shutdown (FALSE);
> +        return;
> +    }
> +
> +    g_print ("[%s] Successfully queried PCO\n\n",
> +             mbim_device_get_path_display (device));
> +    if (!mbim_message_basic_connect_extensions_pco_response_parse (
> +            response,
> +            &pco_value,
> +            &error)) {
> +        g_printerr ("error: couldn't parse response message: %s\n", error->message);
> +        g_error_free (error);
> +        mbim_message_unref (response);
> +        shutdown (FALSE);
> +        return;
> +    }
> +
> +    pco_data = mbim_common_str_hex (pco_value->pco_data_buffer, pco_value->pco_data_size, ' ');
> +    g_print ("[%s] PCO:\n"
> +             "\t   Session ID: '%u'\n"
> +             "\tPCO data type: '%s'\n"
> +             "\tPCO data size: '%u'\n"
> +             "\t     PCO data: '%s'\n",
> +             mbim_device_get_path_display (device),
> +             pco_value->session_id,
> +             VALIDATE_UNKNOWN (mbim_pco_type_get_string (pco_value->pco_data_type)),
> +             pco_value->pco_data_size,
> +             pco_data);
> +    g_free (pco_data);
> +    mbim_pco_value_free (pco_value);
> +
> +    mbim_message_unref (response);
> +    shutdown (TRUE);
> +}
> +
> +void
> +mbimcli_basic_connect_extensions_run (MbimDevice   *device,
> +                                      GCancellable *cancellable)
> +{
> +    /* Initialize context */
> +    ctx = g_slice_new (Context);
> +    ctx->device = g_object_ref (device);
> +    ctx->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
> +
> +    /* Request to get PCO? */
> +    if (query_pco_str) {
> +        MbimMessage *request;
> +        MbimPcoValue pco_value;
> +        GError *error = NULL;
> +
> +        if (!session_id_parse (query_pco_str, &pco_value.session_id, &error)) {
> +            g_printerr ("error: couldn't parse session ID: %s\n", error->message);
> +            g_error_free (error);
> +            shutdown (FALSE);
> +            return;
> +        }
> +
> +        pco_value.pco_data_size = 0;
> +        pco_value.pco_data_type = MBIM_PCO_TYPE_COMPLETE;
> +        pco_value.pco_data_buffer = NULL;
> +
> +        g_debug ("Asynchronously querying PCO...");
> +        request = mbim_message_basic_connect_extensions_pco_query_new (&pco_value, NULL);
> +        mbim_device_command (ctx->device,
> +                             request,
> +                             10,
> +                             ctx->cancellable,
> +                             (GAsyncReadyCallback)query_pco_ready,
> +                             NULL);
> +        mbim_message_unref (request);
> +        return;
> +    }
> +
> +    g_warn_if_reached ();
> +}
> diff --git a/src/mbimcli/mbimcli.c b/src/mbimcli/mbimcli.c
> index 7ee1716..abf5757 100644
> --- a/src/mbimcli/mbimcli.c
> +++ b/src/mbimcli/mbimcli.c
> @@ -278,6 +278,9 @@ device_open_ready (MbimDevice   *dev,
>      case MBIM_SERVICE_INTEL_FIRMWARE_UPDATE:
>          mbimcli_intel_firmware_update_run (dev, cancellable);
>          return;
> +    case MBIM_SERVICE_BASIC_CONNECT_EXTENSIONS:
> +        mbimcli_basic_connect_extensions_run (dev, cancellable);
> +        return;
>      default:
>          g_assert_not_reached ();
>      }
> @@ -355,6 +358,9 @@ parse_actions (void)
>      } else if (mbimcli_intel_firmware_update_options_enabled ()) {
>          service = MBIM_SERVICE_INTEL_FIRMWARE_UPDATE;
>          actions_enabled++;
> +    } else if (mbimcli_basic_connect_extensions_options_enabled ()) {
> +        service = MBIM_SERVICE_BASIC_CONNECT_EXTENSIONS;
> +        actions_enabled++;
>      }
>
>      /* Noop */
> @@ -400,6 +406,8 @@ int main (int argc, char **argv)
>                                  mbimcli_atds_get_option_group ());
>      g_option_context_add_group (context,
>                                  mbimcli_intel_firmware_update_get_option_group ());
> +    g_option_context_add_group (context,
> +                                mbimcli_basic_connect_extensions_get_option_group ());
>      g_option_context_add_main_entries (context, main_entries, NULL);
>      if (!g_option_context_parse (context, &argc, &argv, &error)) {
>          g_printerr ("error: %s\n",
> diff --git a/src/mbimcli/mbimcli.h b/src/mbimcli/mbimcli.h
> index a920872..5033b4e 100644
> --- a/src/mbimcli/mbimcli.h
> +++ b/src/mbimcli/mbimcli.h
> @@ -36,6 +36,7 @@ GOptionGroup *mbimcli_ms_firmware_id_get_option_group   (void);
>  GOptionGroup *mbimcli_ms_host_shutdown_get_option_group (void);
>  GOptionGroup *mbimcli_atds_get_option_group             (void);
>  GOptionGroup *mbimcli_intel_firmware_update_get_option_group (void);
> +GOptionGroup *mbimcli_basic_connect_extensions_get_option_group (void);
>
>  gboolean      mbimcli_basic_connect_options_enabled     (void);
>  gboolean      mbimcli_phonebook_options_enabled         (void);
> @@ -44,6 +45,7 @@ gboolean      mbimcli_ms_firmware_id_options_enabled    (void);
>  gboolean      mbimcli_ms_host_shutdown_options_enabled  (void);
>  gboolean      mbimcli_atds_options_enabled              (void);
>  gboolean      mbimcli_intel_firmware_update_options_enabled (void);
> +gboolean      mbimcli_basic_connect_extensions_options_enabled (void);
>
>  void          mbimcli_basic_connect_run                 (MbimDevice *device,
>                                                           GCancellable *cancellable);
> @@ -59,5 +61,7 @@ void          mbimcli_atds_run                          (MbimDevice *device,
>                                                           GCancellable *cancellable);
>  void          mbimcli_intel_firmware_update_run         (MbimDevice *device,
>                                                           GCancellable *cancellable);
> +void          mbimcli_basic_connect_extensions_run      (MbimDevice *device,
> +                                                         GCancellable *cancellable);
>
>  #endif /* __MBIMCLI_H__ */
> --
> 2.18.0.345.g5c9ce644c3-goog
>



-- 
Aleksander
https://aleksander.es


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