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iface-modem-signal: port mm_iface_modem_signal_initialize to use GTask

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This commit is contained in:
Ben Chan
2017-04-12 18:52:49 -07:00
committed by Aleksander Morgado
parent ed8bea8a3c
commit 01cba808e4
1 changed files with 44 additions and 54 deletions
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98
src/mm-iface-modem-signal.c
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@@ -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