hackaton2019

#include "lwip/timeouts.h"
#include "netif/tapif.h"
#include "lwip/tcpip.h"
#include "lwip/netif.h"

void lwsapi_init(void);

struct netif netif;

static void tap_netif_init(void* arg)
{
	sys_sem_t *init_sem;
	LWIP_ASSERT("arg != NULL", arg != NULL);
	init_sem = (sys_sem_t*)arg;

	/* init network interfaces */
	ip4_addr_t ipaddr, netmask, gw;

	IP4_ADDR(&gw, 10, 0, 0, 1);               // host IP address of TAP device
	IP4_ADDR(&ipaddr, 10, 0, 0, 2);           // LwIP virtual program IP address
	IP4_ADDR(&netmask, 255, 255, 255, 0);

	netif_add(&netif, &ipaddr, &netmask, &gw, NULL, tapif_init, tcpip_input);
	netif_set_default(&netif);
	netif_set_up(&netif);

	lwsapi_init();

	sys_sem_signal(init_sem);
}


int main(int argc, char **argv)
{
	setvbuf(stdout, NULL,_IONBF, 0);		/* no stdio-buffering, please! */

	err_t err;
	sys_sem_t init_sem;

	err = sys_sem_new(&init_sem, 0);
	LWIP_ASSERT("failed to create init_sem", err == ERR_OK);
	LWIP_UNUSED_ARG(err);
	tcpip_init(tap_netif_init, &init_sem);

	/* we have to wait for initialization to finish before
	* calling update_adapter()! */
	sys_sem_wait(&init_sem);
	sys_sem_free(&init_sem);

	while (1) {
	    /* poll the driver, get any outstanding frames, alloc memory for them, and
		call netif->input, which is actually ip_input() */
		sys_msleep(1);
		tapif_poll(&netif);
	}

	return 0;
}