Implement simple setting of link state and IP addresses

1 files changed, 38 insertions, 0 deletions

diff --git a/src/netlink.c b/src/netlink.c
new file mode 100644
index 0000000..ec9c935
--- /dev/null
+++ b/src/netlink.c
@@ -0,0 +1,38 @@
+#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++;
+}