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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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:
*
* Copyright 2025 Dan Williams <dan@ioncontrol.co>
*/
#include <gio/gio.h>
#include "mm-utils.h"
#include "mm-sleep-context.h"
static void log_object_iface_init (MMLogObjectInterface *iface);
G_DEFINE_TYPE_EXTENDED (MMSleepContext, mm_sleep_context, G_TYPE_OBJECT, 0,
G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
struct _MMSleepContextPrivate {
GTask *task;
guint timeout_id;
};
enum {
DONE,
LAST_SIGNAL,
};
static guint signals[LAST_SIGNAL] = { 0 };
/*****************************************************************************/
static gchar *
log_object_build_id (MMLogObject *_self)
{
return g_strdup_printf ("sleep-context");
}
/*****************************************************************************/
static void
timeout_cleanup (MMSleepContext *self)
{
if (self->priv->timeout_id)
g_source_remove (self->priv->timeout_id);
self->priv->timeout_id = 0;
}
void
mm_sleep_context_complete (MMSleepContext *self,
GError *error)
{
timeout_cleanup (self);
if (error) {
mm_obj_dbg (self, "completing with error '%s'", error->message);
g_task_return_error (self->priv->task, error);
} else {
mm_obj_dbg (self, "completing with success");
g_task_return_boolean (self->priv->task, TRUE);
}
g_clear_object (&self->priv->task);
}
static gboolean
operation_timeout (MMSleepContext *self)
{
mm_obj_dbg (self, "timeout");
mm_sleep_context_complete (self,
g_error_new_literal (G_IO_ERROR,
G_IO_ERROR_TIMED_OUT,
"timeout waiting for sleep preparation to complete"));
return G_SOURCE_REMOVE;
}
static void
operation_ready (MMSleepContext *self,
GAsyncResult *res)
{
g_autoptr(GError) error = NULL;
gboolean success;
mm_obj_dbg (self, "notifying listeners task is done");
success = g_task_propagate_boolean (G_TASK (res), &error);
g_assert (success || error);
g_signal_emit (self, signals[DONE], 0, error);
}
/*****************************************************************************/
MMSleepContext *
mm_sleep_context_new (guint timeout_seconds)
{
MMSleepContext *self;
self = MM_SLEEP_CONTEXT (g_object_new (MM_TYPE_SLEEP_CONTEXT, NULL));
self->priv->task = g_task_new (self,
NULL,
(GAsyncReadyCallback)operation_ready,
NULL);
self->priv->timeout_id = g_timeout_add_seconds (timeout_seconds,
(GSourceFunc)operation_timeout,
self);
mm_obj_dbg (self, "new context with %d second timeout", timeout_seconds);
return self;
}
static void
log_object_iface_init (MMLogObjectInterface *iface)
{
iface->build_id = log_object_build_id;
}
static void
mm_sleep_context_init (MMSleepContext *self)
{
/* Initialize opaque pointer to private data */
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
MM_TYPE_SLEEP_CONTEXT,
MMSleepContextPrivate);
}
static void
dispose (GObject *object)
{
MMSleepContext *self = MM_SLEEP_CONTEXT (object);
timeout_cleanup (self);
/* Task must always be completed and cleared before disposal */
g_assert (self->priv->task == NULL);
G_OBJECT_CLASS (mm_sleep_context_parent_class)->dispose (object);
}
static void
mm_sleep_context_class_init (MMSleepContextClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof (MMSleepContextPrivate));
/* Virtual methods */
object_class->dispose = dispose;
signals[DONE] = g_signal_new (MM_SLEEP_CONTEXT_DONE,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (MMSleepContextClass, done),
NULL, /* accumulator */
NULL, /* accumulator data */
g_cclosure_marshal_generic,
G_TYPE_NONE,
1,
G_TYPE_ERROR);
}
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