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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* Licensed under the Flora License, Version 1.1 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://floralicense.org/license/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <glib.h>
#include "err-check.h"
#include "scheduler.h"
#include "task.h"
#include "worker.h"
#include "task-factory.h"
#include "task-worker.h"
struct scheduler
{
worker_t *worker;
struct config_item *items;
size_t items_size;
};
struct config_item
{
worker_t *worker;
guint timer_id;
task_t *task;
int frequency;
};
static gboolean timer_func(gpointer user_data);
static void free_items(struct config_item *items, size_t items_size);
scheduler_t *scheduler_create()
{
struct scheduler *scheduler = g_malloc(sizeof(struct scheduler));
scheduler->worker = worker_create();
scheduler->items = NULL;
return scheduler;
}
void scheduler_destroy(scheduler_t *scheduler)
{
ON_NULL_RETURN(scheduler);
worker_destroy(scheduler->worker);
free_items(scheduler->items, scheduler->items_size);
g_free(scheduler);
}
void scheduler_change_config(scheduler_t *scheduler, const config_t *task_configs, size_t items_size)
{
ON_NULL_RETURN(scheduler);
ON_NULL_RETURN(task_configs);
worker_sync(scheduler->worker);
free_items(scheduler->items, scheduler->items_size);
scheduler->items_size = items_size;
scheduler->items = g_malloc(items_size * sizeof(struct config_item));
for (int i = 0; i < items_size; i++)
{
scheduler->items[i].worker = scheduler->worker;
scheduler->items[i].task = task_factory_create_task(&task_configs[i]);
scheduler->items[i].frequency = task_configs[i].frequency;
scheduler->items[i].timer_id = g_timeout_add(scheduler->items[i].frequency, timer_func, &scheduler->items[i]);
}
}
static gboolean timer_func(gpointer user_data)
{
ON_NULL_RETURN_VAL(user_data, FALSE);
struct config_item *config = (struct config_item *)user_data;
worker_enqueue_task(config->worker, config->task);
return TRUE;
}
static void free_items(struct config_item *items, size_t items_size)
{
ON_NULL_RETURN(items);
for (int i = 0; i < items_size; i++)
{
g_source_remove(items[i].timer_id);
task_release(items[i].task);
}
g_free(items);
}
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