#include "eth_link.h"

#include "lwip/netif.h"
#include "app_init/app_init.h"
#include "wdt_task/wdt_task.h"
#include "net_lwip/netconf.h"

/**
 * @brief Ethernet link state monitor thread.
 *
 * @details
 * - Aligns task architecture with reference project's ethernet_link_thread.
 * - Polls link state of the given netif.
 * - Feeds watchdog flag for EthLink task.
 *
 * @param argument Must be a pointer to struct netif.
 */
void ethernet_link_thread(void *argument)
{
    struct netif *netif = (struct netif *)argument;

    if (netif == NULL) {
        for (;;) {
            v_wdt_setFlag(TASK_ID_EthLink);
            mSleep(MY_GET_SLEEP_TIME(TASK_ID_EthLink));
        }
    }

    for (;;) {
        (void)netif_is_link_up(netif);
        v_wdt_setFlag(TASK_ID_EthLink);
        mSleep(MY_GET_SLEEP_TIME(TASK_ID_EthLink));
    }
}

int is_eth_link_up(void)
{
    return (int)netif_is_link_up(NETCONF_ETH_NETIF);
}