ly2-snode-flags.c

#include <stdlib.h>
#include <stdio.h>
#include <err.h>

#include <libyang/libyang.h>

//#define YANG_SEARCH_PATH "/usr/local/share/yang/"
#define YANG_SEARCH_PATH "/mnt/renato/git/rust/yang2-rs/assets/yang/"

int main(int argc, char **argv)
{
	struct ly_ctx *ly_ctx;
	const struct lys_module *module;
	const struct lysc_node *snode;
	const char *path =
		"/ietf-routing:routing/control-plane-protocols/control-plane-protocol/ietf-isis:isis/preference/internal";

	/* initialization */
	if (ly_ctx_new(YANG_SEARCH_PATH, 0, &ly_ctx) != LY_SUCCESS)
		errx(1, "ly_ctx_new(): %s", ly_errmsg(ly_ctx));

	module = ly_ctx_load_module(ly_ctx, "ietf-isis", NULL, NULL);
	if (module == NULL)
		errx(1, "ly_ctx_load_module: %s", ly_errmsg(ly_ctx));

	snode = lys_find_path(ly_ctx, NULL, path, 0);
	if (!snode)
		errx(1, "lys_find_path: %s\n", ly_errmsg(ly_ctx));

	while (snode) {
		char buf[BUFSIZ];

		memset(buf, 0, sizeof(buf));
		lysc_path(snode, LYSC_PATH_LOG, buf, sizeof(buf));
		printf("%s: %u\n", buf, snode->flags & LYS_CONFIG_W);
		snode = lysc_node_parent_full(snode);
	}

	/* cleanup */
	ly_ctx_destroy(ly_ctx, NULL);

	return 0;
}