166 lines
5.0 KiB
C
166 lines
5.0 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*
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* Copyright 2025 Dan Williams <dan@ioncontrol.co>
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*/
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#include <gio/gio.h>
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#include "mm-utils.h"
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#include "mm-sleep-context.h"
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static void log_object_iface_init (MMLogObjectInterface *iface);
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G_DEFINE_TYPE_EXTENDED (MMSleepContext, mm_sleep_context, G_TYPE_OBJECT, 0,
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G_IMPLEMENT_INTERFACE (MM_TYPE_LOG_OBJECT, log_object_iface_init))
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struct _MMSleepContextPrivate {
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GTask *task;
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guint timeout_id;
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};
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enum {
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DONE,
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LAST_SIGNAL,
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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/*****************************************************************************/
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static gchar *
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log_object_build_id (MMLogObject *_self)
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{
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return g_strdup_printf ("sleep-context");
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}
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/*****************************************************************************/
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static void
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timeout_cleanup (MMSleepContext *self)
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{
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if (self->priv->timeout_id)
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g_source_remove (self->priv->timeout_id);
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self->priv->timeout_id = 0;
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}
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void
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mm_sleep_context_complete (MMSleepContext *self,
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GError *error)
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{
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timeout_cleanup (self);
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if (error) {
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mm_obj_dbg (self, "completing with error '%s'", error->message);
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g_task_return_error (self->priv->task, error);
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} else {
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mm_obj_dbg (self, "completing with success");
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g_task_return_boolean (self->priv->task, TRUE);
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}
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g_clear_object (&self->priv->task);
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}
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static gboolean
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operation_timeout (MMSleepContext *self)
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{
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mm_obj_dbg (self, "timeout");
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mm_sleep_context_complete (self,
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g_error_new_literal (G_IO_ERROR,
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G_IO_ERROR_TIMED_OUT,
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"timeout waiting for sleep preparation to complete"));
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return G_SOURCE_REMOVE;
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}
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static void
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operation_ready (MMSleepContext *self,
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GAsyncResult *res)
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{
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g_autoptr(GError) error = NULL;
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gboolean success;
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mm_obj_dbg (self, "notifying listeners task is done");
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success = g_task_propagate_boolean (G_TASK (res), &error);
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g_assert (success || error);
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g_signal_emit (self, signals[DONE], 0, error);
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}
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/*****************************************************************************/
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MMSleepContext *
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mm_sleep_context_new (guint timeout_seconds)
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{
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MMSleepContext *self;
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self = MM_SLEEP_CONTEXT (g_object_new (MM_TYPE_SLEEP_CONTEXT, NULL));
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self->priv->task = g_task_new (self,
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NULL,
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(GAsyncReadyCallback)operation_ready,
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NULL);
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self->priv->timeout_id = g_timeout_add_seconds (timeout_seconds,
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(GSourceFunc)operation_timeout,
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self);
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mm_obj_dbg (self, "new context with %d second timeout", timeout_seconds);
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return self;
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}
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static void
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log_object_iface_init (MMLogObjectInterface *iface)
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{
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iface->build_id = log_object_build_id;
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}
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static void
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mm_sleep_context_init (MMSleepContext *self)
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{
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/* Initialize opaque pointer to private data */
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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MM_TYPE_SLEEP_CONTEXT,
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MMSleepContextPrivate);
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}
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static void
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dispose (GObject *object)
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{
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MMSleepContext *self = MM_SLEEP_CONTEXT (object);
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timeout_cleanup (self);
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/* Task must always be completed and cleared before disposal */
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g_assert (self->priv->task == NULL);
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G_OBJECT_CLASS (mm_sleep_context_parent_class)->dispose (object);
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}
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static void
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mm_sleep_context_class_init (MMSleepContextClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (object_class, sizeof (MMSleepContextPrivate));
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/* Virtual methods */
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object_class->dispose = dispose;
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signals[DONE] = g_signal_new (MM_SLEEP_CONTEXT_DONE,
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G_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (MMSleepContextClass, done),
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NULL, /* accumulator */
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NULL, /* accumulator data */
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g_cclosure_marshal_generic,
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G_TYPE_NONE,
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1,
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G_TYPE_ERROR);
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}
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