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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "watchdog.h"
#include "bh_platform.h"
#define WATCHDOG_THREAD_PRIORITY 5
/* Queue of watchdog */
static bh_queue *watchdog_queue;
#ifdef WATCHDOG_ENABLED /* TODO */
static void
watchdog_timer_callback(void *timer)
{
watchdog_timer *wd_timer =
app_manager_get_wd_timer_from_timer_handle(timer);
watchdog_timer_stop(wd_timer);
os_mutex_lock(&wd_timer->lock);
if (!wd_timer->is_stopped) {
wd_timer->is_interrupting = true;
bh_post_msg(watchdog_queue, WD_TIMEOUT, wd_timer->module_data,
sizeof(module_data));
}
os_mutex_unlock(&wd_timer->lock);
}
#endif
bool
watchdog_timer_init(module_data *m_data)
{
#ifdef WATCHDOG_ENABLED /* TODO */
watchdog_timer *wd_timer = &m_data->wd_timer;
if (0 != os_mutex_init(&wd_timer->lock))
return false;
if (!(wd_timer->timer_handle =
app_manager_timer_create(watchdog_timer_callback, wd_timer))) {
os_mutex_destroy(&wd_timer->lock);
return false;
}
wd_timer->module_data = m_data;
wd_timer->is_interrupting = false;
wd_timer->is_stopped = false;
#endif
return true;
}
void
watchdog_timer_destroy(watchdog_timer *wd_timer)
{
#ifdef WATCHDOG_ENABLED /* TODO */
app_manager_timer_destroy(wd_timer->timer_handle);
os_mutex_destroy(&wd_timer->lock);
#endif
}
void
watchdog_timer_start(watchdog_timer *wd_timer)
{
os_mutex_lock(&wd_timer->lock);
wd_timer->is_interrupting = false;
wd_timer->is_stopped = false;
app_manager_timer_start(wd_timer->timer_handle,
wd_timer->module_data->timeout);
os_mutex_unlock(&wd_timer->lock);
}
void
watchdog_timer_stop(watchdog_timer *wd_timer)
{
app_manager_timer_stop(wd_timer->timer_handle);
}
#ifdef WATCHDOG_ENABLED /* TODO */
static void
watchdog_queue_callback(void *queue_msg)
{
if (bh_message_type(queue_msg) == WD_TIMEOUT) {
module_data *m_data = (module_data *)bh_message_payload(queue_msg);
if (g_module_interfaces[m_data->module_type]
&& g_module_interfaces[m_data->module_type]->module_watchdog_kill) {
g_module_interfaces[m_data->module_type]->module_watchdog_kill(
m_data);
app_manager_post_applets_update_event();
}
}
}
#endif
#ifdef WATCHDOG_ENABLED /* TODO */
static void *
watchdog_thread_routine(void *arg)
{
/* Enter loop run */
bh_queue_enter_loop_run(watchdog_queue, watchdog_queue_callback);
(void)arg;
return NULL;
}
#endif
bool
watchdog_startup()
{
if (!(watchdog_queue = bh_queue_create())) {
app_manager_printf(
"App Manager start failed: create watchdog queue failed.\n");
return false;
}
#if 0
//todo: enable watchdog
/* Start watchdog thread */
if (!jeff_runtime_create_supervisor_thread_with_prio(watchdog_thread_routine, NULL,
WATCHDOG_THREAD_PRIORITY)) {
bh_queue_destroy(watchdog_queue);
return false;
}
#endif
return true;
}
void
watchdog_destroy()
{
bh_queue_exit_loop_run(watchdog_queue);
bh_queue_destroy(watchdog_queue);
}
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