[PATCH 3/3] iface-modem-signal: port mm_iface_modem_signal_initialize to use GTask
Ben Chan
benchan at chromium.org
Thu Apr 13 01:52:49 UTC 2017
---
src/mm-iface-modem-signal.c | 98 ++++++++++++++++++++-------------------------
1 file changed, 44 insertions(+), 54 deletions(-)
diff --git a/src/mm-iface-modem-signal.c b/src/mm-iface-modem-signal.c
index f8348831..9751b5d6 100644
--- a/src/mm-iface-modem-signal.c
+++ b/src/mm-iface-modem-signal.c
@@ -355,7 +355,7 @@ mm_iface_modem_signal_enable (MMIfaceModemSignal *self,
/*****************************************************************************/
typedef struct _InitializationContext InitializationContext;
-static void interface_initialization_step (InitializationContext *ctx);
+static void interface_initialization_step (GTask *task);
typedef enum {
INITIALIZATION_STEP_FIRST,
@@ -365,52 +365,31 @@ typedef enum {
} InitializationStep;
struct _InitializationContext {
- MMIfaceModemSignal *self;
MmGdbusModemSignal *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_slice_free (InitializationContext, ctx);
}
-
gboolean
mm_iface_modem_signal_initialize_finish (MMIfaceModemSignal *self,
GAsyncResult *res,
GError **error)
{
- return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
-}
-
-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;
+ return g_task_propagate_boolean (G_TASK (res), error);
}
static void
check_support_ready (MMIfaceModemSignal *self,
GAsyncResult *res,
- InitializationContext *ctx)
+ GTask *task)
{
+ InitializationContext *ctx;
GError *error = NULL;
if (!MM_IFACE_MODEM_SIGNAL_GET_INTERFACE (self)->check_support_finish (self, res, &error)) {
@@ -427,16 +406,29 @@ check_support_ready (MMIfaceModemSignal *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)
{
+ MMIfaceModemSignal *self;
+ InitializationContext *ctx;
+
/* Don't run new steps if we're cancelled */
- if (initialization_context_complete_and_free_if_cancelled (ctx))
+ if (g_cancellable_is_cancelled (g_task_get_cancellable (task))) {
+ g_task_return_new_error (task,
+ MM_CORE_ERROR,
+ MM_CORE_ERROR_CANCELLED,
+ "Interface initialization cancelled");
+ 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:
@@ -452,23 +444,23 @@ 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_SIGNAL_GET_INTERFACE (ctx->self)->check_support &&
- MM_IFACE_MODEM_SIGNAL_GET_INTERFACE (ctx->self)->check_support_finish) {
- MM_IFACE_MODEM_SIGNAL_GET_INTERFACE (ctx->self)->check_support (
- ctx->self,
+ if (MM_IFACE_MODEM_SIGNAL_GET_INTERFACE (self)->check_support &&
+ MM_IFACE_MODEM_SIGNAL_GET_INTERFACE (self)->check_support_finish) {
+ MM_IFACE_MODEM_SIGNAL_GET_INTERFACE (self)->check_support (
+ self,
(GAsyncReadyCallback)check_support_ready,
- ctx);
+ task);
return;
}
@@ -479,13 +471,13 @@ 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,
- "Extended Signal information not supported");
- initialization_context_complete_and_free (ctx);
+ g_task_return_new_error (task,
+ MM_CORE_ERROR,
+ MM_CORE_ERROR_UNSUPPORTED,
+ "Extended Signal information not supported");
+ g_object_unref (task);
return;
}
/* Fall down to next step */
@@ -498,13 +490,13 @@ interface_initialization_step (InitializationContext *ctx)
g_signal_connect (ctx->skeleton,
"handle-setup",
G_CALLBACK (handle_setup),
- ctx->self);
+ self);
/* Finally, export the new interface */
- mm_gdbus_object_skeleton_set_modem_signal (MM_GDBUS_OBJECT_SKELETON (ctx->self),
+ mm_gdbus_object_skeleton_set_modem_signal (MM_GDBUS_OBJECT_SKELETON (self),
MM_GDBUS_MODEM_SIGNAL (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;
}
@@ -519,6 +511,7 @@ mm_iface_modem_signal_initialize (MMIfaceModemSignal *self,
{
InitializationContext *ctx;
MmGdbusModemSignal *skeleton = NULL;
+ GTask *task;
/* Did we already create it? */
g_object_get (self,
@@ -535,16 +528,13 @@ mm_iface_modem_signal_initialize (MMIfaceModemSignal *self,
/* Perform async initialization here */
ctx = g_slice_new0 (InitializationContext);
- 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_signal_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
--
2.12.2.715.g7642488e1d-goog
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