/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2021 Hengqi Chen */

#include <test_progs.h>
#include <sys/un.h>
#include "test_skc_to_unix_sock.skel.h"

static const char *sock_path = "@skc_to_unix_sock";

void test_skc_to_unix_sock(void)
{
        struct test_skc_to_unix_sock *skel;
        struct sockaddr_un sockaddr;
        int err, sockfd = 0;

        skel = test_skc_to_unix_sock__open();
        if (!ASSERT_OK_PTR(skel, "could not open BPF object"))
                return;

        skel->rodata->my_pid = getpid();

        err = test_skc_to_unix_sock__load(skel);
        if (!ASSERT_OK(err, "could not load BPF object"))
                goto cleanup;

        err = test_skc_to_unix_sock__attach(skel);
        if (!ASSERT_OK(err, "could not attach BPF object"))
                goto cleanup;

        /* trigger unix_listen */
        sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
        if (!ASSERT_GT(sockfd, 0, "socket failed"))
                goto cleanup;

        memset(&sockaddr, 0, sizeof(sockaddr));
        sockaddr.sun_family = AF_UNIX;
        strscpy(sockaddr.sun_path, sock_path);
        sockaddr.sun_path[0] = '\0';

        err = bind(sockfd, (struct sockaddr *)&sockaddr, sizeof(sockaddr));
        if (!ASSERT_OK(err, "bind failed"))
                goto cleanup;

        err = listen(sockfd, 1);
        if (!ASSERT_OK(err, "listen failed"))
                goto cleanup;

        ASSERT_EQ(strcmp(skel->bss->path, sock_path), 0, "bpf_skc_to_unix_sock failed");

cleanup:
        if (sockfd)
                close(sockfd);
        test_skc_to_unix_sock__destroy(skel);
}