[PATCH 1/3] iface-modem-messaging: port mm_iface_modem_messaging_initialize to use GTask

Aleksander Morgado aleksander at aleksander.es
Wed Jun 28 08:23:26 UTC 2017


On Tue, Jun 27, 2017 at 5:54 PM, Ben Chan <benchan at chromium.org> wrote:
> ---
>  src/mm-iface-modem-messaging.c | 129 +++++++++++++++++++----------------------
>  1 file changed, 60 insertions(+), 69 deletions(-)
>

Pushed to git master, thanks!

> diff --git a/src/mm-iface-modem-messaging.c b/src/mm-iface-modem-messaging.c
> index 01a30f01..4a6604c6 100644
> --- a/src/mm-iface-modem-messaging.c
> +++ b/src/mm-iface-modem-messaging.c
> @@ -1050,7 +1050,7 @@ mm_iface_modem_messaging_enable (MMIfaceModemMessaging *self,
>  /*****************************************************************************/
>
>  typedef struct _InitializationContext InitializationContext;
> -static void interface_initialization_step (InitializationContext *ctx);
> +static void interface_initialization_step (GTask *task);
>
>  typedef enum {
>      INITIALIZATION_STEP_FIRST,
> @@ -1062,38 +1062,17 @@ typedef enum {
>  } InitializationStep;
>
>  struct _InitializationContext {
> -    MMIfaceModemMessaging *self;
>      MmGdbusModemMessaging *skeleton;
> -    GCancellable *cancellable;
> -    GSimpleAsyncResult *result;
>      InitializationStep step;
>  };
>
>  static void
> -initialization_context_complete_and_free (InitializationContext *ctx)
> +initialization_context_free (InitializationContext *ctx)
>  {
> -    g_simple_async_result_complete_in_idle (ctx->result);
> -    g_object_unref (ctx->self);
> -    g_object_unref (ctx->result);
> -    g_object_unref (ctx->cancellable);
>      g_object_unref (ctx->skeleton);
>      g_free (ctx);
>  }
>
> -static gboolean
> -initialization_context_complete_and_free_if_cancelled (InitializationContext *ctx)
> -{
> -    if (!g_cancellable_is_cancelled (ctx->cancellable))
> -        return FALSE;
> -
> -    g_simple_async_result_set_error (ctx->result,
> -                                     MM_CORE_ERROR,
> -                                     MM_CORE_ERROR_CANCELLED,
> -                                     "Interface initialization cancelled");
> -    initialization_context_complete_and_free (ctx);
> -    return TRUE;
> -}
> -
>  static void
>  skip_unknown_storages (GArray *mem)
>  {
> @@ -1112,11 +1091,13 @@ skip_unknown_storages (GArray *mem)
>  static void
>  load_supported_storages_ready (MMIfaceModemMessaging *self,
>                                 GAsyncResult *res,
> -                               InitializationContext *ctx)
> +                               GTask *task)
>  {
> +    InitializationContext *ctx;
>      StorageContext *storage_ctx;
>      GError *error = NULL;
>
> +    ctx = g_task_get_task_data (task);
>      storage_ctx = get_storage_context (self);
>      if (!MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->load_supported_storages_finish (
>              self,
> @@ -1183,14 +1164,15 @@ load_supported_storages_ready (MMIfaceModemMessaging *self,
>
>      /* Go on to next step */
>      ctx->step++;
> -    interface_initialization_step (ctx);
> +    interface_initialization_step (task);
>  }
>
>  static void
>  check_support_ready (MMIfaceModemMessaging *self,
>                       GAsyncResult *res,
> -                     InitializationContext *ctx)
> +                     GTask *task)
>  {
> +    InitializationContext *ctx;
>      GError *error = NULL;
>
>      if (!MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->check_support_finish (self,
> @@ -1209,15 +1191,17 @@ check_support_ready (MMIfaceModemMessaging *self,
>      }
>
>      /* Go on to next step */
> +    ctx = g_task_get_task_data (task);
>      ctx->step++;
> -    interface_initialization_step (ctx);
> +    interface_initialization_step (task);
>  }
>
>  static void
>  init_current_storages_ready (MMIfaceModemMessaging *self,
>                               GAsyncResult *res,
> -                             InitializationContext *ctx)
> +                             GTask *task)
>  {
> +    InitializationContext *ctx;
>      StorageContext *storage_ctx;
>      GError *error = NULL;
>
> @@ -1233,16 +1217,25 @@ init_current_storages_ready (MMIfaceModemMessaging *self,
>      }
>
>      /* Go on to next step */
> +    ctx = g_task_get_task_data (task);
>      ctx->step++;
> -    interface_initialization_step (ctx);
> +    interface_initialization_step (task);
>  }
>
>  static void
> -interface_initialization_step (InitializationContext *ctx)
> +interface_initialization_step (GTask *task)
>  {
> +    MMIfaceModemMessaging *self;
> +    InitializationContext *ctx;
> +
>      /* Don't run new steps if we're cancelled */
> -    if (initialization_context_complete_and_free_if_cancelled (ctx))
> +    if (g_task_return_error_if_cancelled (task)) {
> +        g_object_unref (task);
>          return;
> +    }
> +
> +    self = g_task_get_source_object (task);
> +    ctx = g_task_get_task_data (task);
>
>      switch (ctx->step) {
>      case INITIALIZATION_STEP_FIRST:
> @@ -1258,23 +1251,23 @@ interface_initialization_step (InitializationContext *ctx)
>          ctx->step++;
>
>      case INITIALIZATION_STEP_CHECK_SUPPORT:
> -        if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (ctx->self),
> +        if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (self),
>                                                     support_checked_quark))) {
>              /* Set the checked flag so that we don't run it again */
> -            g_object_set_qdata (G_OBJECT (ctx->self),
> +            g_object_set_qdata (G_OBJECT (self),
>                                  support_checked_quark,
>                                  GUINT_TO_POINTER (TRUE));
>              /* Initially, assume we don't support it */
> -            g_object_set_qdata (G_OBJECT (ctx->self),
> +            g_object_set_qdata (G_OBJECT (self),
>                                  supported_quark,
>                                  GUINT_TO_POINTER (FALSE));
>
> -            if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->check_support &&
> -                MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->check_support_finish) {
> -                MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->check_support (
> -                    ctx->self,
> +            if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->check_support &&
> +                MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->check_support_finish) {
> +                MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->check_support (
> +                    self,
>                      (GAsyncReadyCallback)check_support_ready,
> -                    ctx);
> +                    task);
>                  return;
>              }
>
> @@ -1285,37 +1278,37 @@ interface_initialization_step (InitializationContext *ctx)
>          ctx->step++;
>
>      case INITIALIZATION_STEP_FAIL_IF_UNSUPPORTED:
> -        if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (ctx->self),
> +        if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (self),
>                                                     supported_quark))) {
> -            g_simple_async_result_set_error (ctx->result,
> -                                             MM_CORE_ERROR,
> -                                             MM_CORE_ERROR_UNSUPPORTED,
> -                                             "Messaging not supported");
> -            initialization_context_complete_and_free (ctx);
> +            g_task_return_new_error (task,
> +                                     MM_CORE_ERROR,
> +                                     MM_CORE_ERROR_UNSUPPORTED,
> +                                     "Messaging not supported");
> +            g_object_unref (task);
>              return;
>          }
>          /* Fall down to next step */
>          ctx->step++;
>
>      case INITIALIZATION_STEP_LOAD_SUPPORTED_STORAGES:
> -        if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->load_supported_storages &&
> -            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->load_supported_storages_finish) {
> -            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->load_supported_storages (
> -                ctx->self,
> +        if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->load_supported_storages &&
> +            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->load_supported_storages_finish) {
> +            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->load_supported_storages (
> +                self,
>                  (GAsyncReadyCallback)load_supported_storages_ready,
> -                ctx);
> +                task);
>              return;
>          }
>          /* Fall down to next step */
>          ctx->step++;
>
>      case INITIALIZATION_STEP_INIT_CURRENT_STORAGES:
> -        if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->init_current_storages &&
> -            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->init_current_storages_finish) {
> -            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (ctx->self)->init_current_storages (
> -                ctx->self,
> +        if (MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->init_current_storages &&
> +            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->init_current_storages_finish) {
> +            MM_IFACE_MODEM_MESSAGING_GET_INTERFACE (self)->init_current_storages (
> +                self,
>                  (GAsyncReadyCallback)init_current_storages_ready,
> -                ctx);
> +                task);
>              return;
>          }
>          /* Fall down to next step */
> @@ -1328,22 +1321,22 @@ interface_initialization_step (InitializationContext *ctx)
>          g_signal_connect (ctx->skeleton,
>                            "handle-create",
>                            G_CALLBACK (handle_create),
> -                          ctx->self);
> +                          self);
>          g_signal_connect (ctx->skeleton,
>                            "handle-delete",
>                            G_CALLBACK (handle_delete),
> -                          ctx->self);
> +                          self);
>          g_signal_connect (ctx->skeleton,
>                            "handle-list",
>                            G_CALLBACK (handle_list),
> -                          ctx->self);
> +                          self);
>
>          /* Finally, export the new interface */
> -        mm_gdbus_object_skeleton_set_modem_messaging (MM_GDBUS_OBJECT_SKELETON (ctx->self),
> +        mm_gdbus_object_skeleton_set_modem_messaging (MM_GDBUS_OBJECT_SKELETON (self),
>                                                        MM_GDBUS_MODEM_MESSAGING (ctx->skeleton));
>
> -        g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
> -        initialization_context_complete_and_free (ctx);
> +        g_task_return_boolean (task, TRUE);
> +        g_object_unref (task);
>          return;
>      }
>
> @@ -1355,7 +1348,7 @@ mm_iface_modem_messaging_initialize_finish (MMIfaceModemMessaging *self,
>                                              GAsyncResult *res,
>                                              GError **error)
>  {
> -    return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
> +    return g_task_propagate_boolean (G_TASK (res), error);
>  }
>
>  void
> @@ -1366,6 +1359,7 @@ mm_iface_modem_messaging_initialize (MMIfaceModemMessaging *self,
>  {
>      InitializationContext *ctx;
>      MmGdbusModemMessaging *skeleton = NULL;
> +    GTask *task;
>
>      /* Did we already create it? */
>      g_object_get (self,
> @@ -1388,16 +1382,13 @@ mm_iface_modem_messaging_initialize (MMIfaceModemMessaging *self,
>      /* Perform async initialization here */
>
>      ctx = g_new0 (InitializationContext, 1);
> -    ctx->self = g_object_ref (self);
> -    ctx->cancellable = g_object_ref (cancellable);
> -    ctx->result = g_simple_async_result_new (G_OBJECT (self),
> -                                             callback,
> -                                             user_data,
> -                                             mm_iface_modem_messaging_initialize);
>      ctx->step = INITIALIZATION_STEP_FIRST;
>      ctx->skeleton = skeleton;
>
> -    interface_initialization_step (ctx);
> +    task = g_task_new (self, cancellable, callback, user_data);
> +    g_task_set_task_data (task, ctx, (GDestroyNotify)initialization_context_free);
> +
> +    interface_initialization_step (task);
>  }
>
>  void
> --
> 2.13.1
>



-- 
Aleksander
https://aleksander.es


More information about the ModemManager-devel mailing list