main.c

#include <stdio.h>
#include <destiny.h>

#define IF_ID (0)
#define NODE_ID	(23)

static void init(void) {
	ipv6_addr_t tmp;

	net_if_set_hardware_address(IF_ID, NODE_ID);

	ipv6_addr_set_link_local_prefix(&tmp);
	ipv6_addr_set_by_eui64(&tmp, IF_ID, &tmp);
	ipv6_net_if_add_addr(IF_ID, &tmp, NDP_ADDR_STATE_PREFERRED,
                              NDP_OPT_PI_VLIFETIME_INFINITE,
                              NDP_OPT_PI_PLIFETIME_INFINITE, 0);

	ipv6_addr_set_all_nodes_addr(&tmp);
	ipv6_net_if_add_addr(IF_ID, &tmp, NDP_ADDR_STATE_PREFERRED,
                              NDP_OPT_PI_VLIFETIME_INFINITE,
                              NDP_OPT_PI_PLIFETIME_INFINITE, 0);

}

static void send_broadcast(void) {
	int sock;
	sockaddr6_t sa_bcast;
	char addr_str[IPV6_MAX_ADDR_STR_LEN];
	char buffer[] = "test";

	sa_bcast.sin6_family = AF_INET6;
	sa_bcast.sin6_port = HTONS(12345);
	ipv6_addr_set_all_nodes_addr(&sa_bcast.sin6_addr);

	printf("sending to %s\n", inet_ntop(AF_INET6, &sa_bcast.sin6_addr, addr_str, IPV6_MAX_ADDR_STR_LEN));

	sock = destiny_socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
	int bytes_send = destiny_socket_sendto(sock, buffer, sizeof buffer, 0, &sa_bcast, sizeof sa_bcast);

	printf("send: %d bytes\n", bytes_send);
}

int main(void) {
	init();
	send_broadcast();

	return 0;
}