src/netlink.c


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#include "netlink.h"

#include <stdio.h>

static struct mnl_socket *nl;
static uint32_t seq;

bool nl_init(void) {
	nl = mnl_socket_open(NETLINK_ROUTE);
	if (nl == NULL) {
		perror("mnl_socket_open");
		return false;
	}

	if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
		perror("mnl_socket_bind");
		nl_deinit();
		return false;
	}

	return true;
}

void nl_deinit(void) {
	if (!nl)
		return;

	mnl_socket_close(nl);
	nl = NULL;
}

struct mnl_socket * nl_socket(void) {
	return nl;
}

uint32_t nl_seq(void) {
	return seq++;
}