109 lines
2.3 KiB
C
109 lines
2.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
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#define _GNU_SOURCE
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#include <cgroup_helpers.h>
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#include <test_progs.h>
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#include "cgrp_kfunc_failure.skel.h"
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#include "cgrp_kfunc_success.skel.h"
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static struct cgrp_kfunc_success *open_load_cgrp_kfunc_skel(void)
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{
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struct cgrp_kfunc_success *skel;
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int err;
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skel = cgrp_kfunc_success__open();
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if (!ASSERT_OK_PTR(skel, "skel_open"))
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return NULL;
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skel->bss->pid = getpid();
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err = cgrp_kfunc_success__load(skel);
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if (!ASSERT_OK(err, "skel_load"))
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goto cleanup;
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return skel;
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cleanup:
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cgrp_kfunc_success__destroy(skel);
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return NULL;
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}
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static int mkdir_rm_test_dir(void)
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{
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int fd;
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const char *cgrp_path = "cgrp_kfunc";
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fd = create_and_get_cgroup(cgrp_path);
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if (!ASSERT_GT(fd, 0, "mkdir_cgrp_fd"))
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return -1;
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close(fd);
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remove_cgroup(cgrp_path);
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return 0;
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}
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static void run_success_test(const char *prog_name)
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{
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struct cgrp_kfunc_success *skel;
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struct bpf_program *prog;
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struct bpf_link *link = NULL;
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skel = open_load_cgrp_kfunc_skel();
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if (!ASSERT_OK_PTR(skel, "open_load_skel"))
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return;
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if (!ASSERT_OK(skel->bss->err, "pre_mkdir_err"))
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goto cleanup;
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prog = bpf_object__find_program_by_name(skel->obj, prog_name);
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if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
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goto cleanup;
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link = bpf_program__attach(prog);
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if (!ASSERT_OK_PTR(link, "attached_link"))
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goto cleanup;
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ASSERT_EQ(skel->bss->invocations, 0, "pre_rmdir_count");
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if (!ASSERT_OK(mkdir_rm_test_dir(), "cgrp_mkdir"))
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goto cleanup;
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ASSERT_EQ(skel->bss->invocations, 1, "post_rmdir_count");
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ASSERT_OK(skel->bss->err, "post_rmdir_err");
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cleanup:
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bpf_link__destroy(link);
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cgrp_kfunc_success__destroy(skel);
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}
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static const char * const success_tests[] = {
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"test_cgrp_acquire_release_argument",
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"test_cgrp_acquire_leave_in_map",
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"test_cgrp_xchg_release",
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"test_cgrp_get_release",
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"test_cgrp_get_ancestors",
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};
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void test_cgrp_kfunc(void)
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{
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int i, err;
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err = setup_cgroup_environment();
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if (!ASSERT_OK(err, "cgrp_env_setup"))
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goto cleanup;
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for (i = 0; i < ARRAY_SIZE(success_tests); i++) {
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if (!test__start_subtest(success_tests[i]))
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continue;
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run_success_test(success_tests[i]);
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}
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RUN_TESTS(cgrp_kfunc_failure);
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cleanup:
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cleanup_cgroup_environment();
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}
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