// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <string.h>

#include <ynl.h>

#include "ovs_datapath-user.h"

int main(int argc, char **argv)
{
        struct ynl_sock *ys;
        int err;

        ys = ynl_sock_create(&ynl_ovs_datapath_family, NULL);
        if (!ys)
                return 1;

        if (argc > 1) {
                struct ovs_datapath_new_req *req;

                req = ovs_datapath_new_req_alloc();
                if (!req)
                        goto err_close;

                ovs_datapath_new_req_set_upcall_pid(req, 1);
                ovs_datapath_new_req_set_name(req, argv[1]);

                err = ovs_datapath_new(ys, req);
                ovs_datapath_new_req_free(req);
                if (err)
                        goto err_close;
        } else {
                struct ovs_datapath_get_req_dump *req;
                struct ovs_datapath_get_list *dps;

                printf("Dump:\n");
                req = ovs_datapath_get_req_dump_alloc();

                dps = ovs_datapath_get_dump(ys, req);
                ovs_datapath_get_req_dump_free(req);
                if (!dps)
                        goto err_close;

                ynl_dump_foreach(dps, dp) {
                        printf("  %s(%d): pid:%u cache:%u\n",
                               dp->name, dp->_hdr.dp_ifindex,
                               dp->upcall_pid, dp->masks_cache_size);
                }
                ovs_datapath_get_list_free(dps);
        }

        ynl_sock_destroy(ys);

        return 0;

err_close:
        fprintf(stderr, "YNL (%d): %s\n", ys->err.code, ys->err.msg);
        ynl_sock_destroy(ys);
        return 2;
}