1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Zbigniew Jędrzejewski-Szmek
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "cgroup-util.h"
27 static void check_p_d_u(const char *path, int code, const char *result) {
28 _cleanup_free_ char *unit = NULL;
30 assert_se(cg_path_decode_unit(path, &unit) == code);
31 assert_se(streq_ptr(unit, result));
34 static void test_path_decode_unit(void) {
35 check_p_d_u("getty@tty2.service", 0, "getty@tty2.service");
36 check_p_d_u("getty@tty2.service/", 0, "getty@tty2.service");
37 check_p_d_u("getty@tty2.service/xxx", 0, "getty@tty2.service");
38 check_p_d_u("getty@.service/", -EINVAL, NULL);
39 check_p_d_u("getty@.service", -EINVAL, NULL);
40 check_p_d_u("getty.service", 0, "getty.service");
41 check_p_d_u("getty", -EINVAL, NULL);
42 check_p_d_u("getty/waldo", -EINVAL, NULL);
43 check_p_d_u("_cpu.service", 0, "cpu.service");
46 static void check_p_g_u(const char *path, int code, const char *result) {
47 _cleanup_free_ char *unit = NULL;
49 assert_se(cg_path_get_unit(path, &unit) == code);
50 assert_se(streq_ptr(unit, result));
53 static void test_path_get_unit(void) {
54 check_p_g_u("/system.slice/foobar.service/sdfdsaf", 0, "foobar.service");
55 check_p_g_u("/system.slice/getty@tty5.service", 0, "getty@tty5.service");
56 check_p_g_u("/system.slice/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service");
57 check_p_g_u("/system.slice/getty@tty5.service/", 0, "getty@tty5.service");
58 check_p_g_u("/system.slice/getty@tty6.service/tty5", 0, "getty@tty6.service");
59 check_p_g_u("sadfdsafsda", -EINVAL, NULL);
60 check_p_g_u("/system.slice/getty####@tty6.service/xxx", -EINVAL, NULL);
61 check_p_g_u("/system.slice/system-waldo.slice/foobar.service/sdfdsaf", 0, "foobar.service");
62 check_p_g_u("/system.slice/system-waldo.slice/_cpu.service/sdfdsaf", 0, "cpu.service");
65 static void check_p_g_u_u(const char *path, int code, const char *result) {
66 _cleanup_free_ char *unit = NULL;
68 assert_se(cg_path_get_user_unit(path, &unit) == code);
69 assert_se(streq_ptr(unit, result));
72 static void test_path_get_user_unit(void) {
73 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "foobar.service");
74 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo.slice/foobar.service", 0, "foobar.service");
75 check_p_g_u_u("/user.slice/user-1002.slice/session-2.scope/foobar.service/waldo", 0, "foobar.service");
76 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service/waldo/uuuux", 0, "foobar.service");
77 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo/waldo/uuuux", -EINVAL, NULL);
78 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
79 check_p_g_u_u("/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
80 check_p_g_u_u("/xyz.slice/xyz-waldo.slice/session-77.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
81 check_p_g_u_u("/meh.service", -ENOENT, NULL);
82 check_p_g_u_u("/session-3.scope/_cpu.service", 0, "cpu.service");
85 static void check_p_g_s(const char *path, int code, const char *result) {
86 _cleanup_free_ char *s = NULL;
88 assert_se(cg_path_get_session(path, &s) == code);
89 assert_se(streq_ptr(s, result));
92 static void test_path_get_session(void) {
93 check_p_g_s("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "2");
94 check_p_g_s("/session-3.scope", 0, "3");
95 check_p_g_s("", -ENOENT, 0);
98 static void check_p_g_o_u(const char *path, int code, uid_t result) {
101 assert_se(cg_path_get_owner_uid(path, &uid) == code);
102 assert_se(uid == result);
105 static void test_path_get_owner_uid(void) {
106 check_p_g_o_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, 1000);
107 check_p_g_o_u("/user.slice/user-1006.slice", 0, 1006);
108 check_p_g_o_u("", -ENOENT, 0);
111 static void check_p_g_m_n(const char *path, int code, const char *result) {
112 _cleanup_free_ char *m = NULL;
114 assert_se(cg_path_get_machine_name(path, &m) == code);
115 assert_se(streq_ptr(m, result));
118 static void test_path_get_machine_name(void) {
119 check_p_g_m_n("/user.slice/machine-foobar.scope", 0, "foobar");
120 check_p_g_m_n("/machine-foobar.scope", 0, "foobar");
121 check_p_g_m_n("/user.slice/user-kuux.slice/machine-foobar.scope", 0, "foobar");
122 check_p_g_m_n("/user.slice/user-kuux.slice/machine-foobar.scope/asjhdkj", 0, "foobar");
123 check_p_g_m_n("", -ENOENT, NULL);
126 static void test_get_paths(void) {
127 _cleanup_free_ char *a = NULL;
129 assert_se(cg_get_root_path(&a) >= 0);
130 log_info("Root = %s", a);
133 static void test_proc(void) {
134 _cleanup_closedir_ DIR *d = NULL;
138 d = opendir("/proc");
141 FOREACH_DIRENT(de, d, break) {
142 _cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *prefix = NULL, *slice = NULL;
144 uid_t uid = (uid_t) -1;
146 if (de->d_type != DT_DIR &&
147 de->d_type != DT_UNKNOWN)
150 r = parse_pid(de->d_name, &pid);
154 if (is_kernel_thread(pid))
157 cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &path);
158 cg_pid_get_path_shifted(pid, &prefix, &path_shifted);
159 cg_pid_get_owner_uid(pid, &uid);
160 cg_pid_get_session(pid, &session);
161 cg_pid_get_unit(pid, &unit);
162 cg_pid_get_user_unit(pid, &user_unit);
163 cg_pid_get_machine_name(pid, &machine);
164 cg_pid_get_slice(pid, &slice);
166 printf("%lu\t%s\t%s\t%s\t%lu\t%s\t%s\t%s\t%s\t%s\n",
180 static void test_escape_one(const char *s, const char *r) {
181 _cleanup_free_ char *b;
185 assert_se(streq(b, r));
187 assert_se(streq(cg_unescape(b), s));
190 static void test_escape(void) {
191 test_escape_one("foobar", "foobar");
192 test_escape_one(".foobar", "_.foobar");
193 test_escape_one("foobar.service", "foobar.service");
194 test_escape_one("cgroup.service", "_cgroup.service");
195 test_escape_one("cpu.service", "_cpu.service");
196 test_escape_one("tasks", "_tasks");
197 test_escape_one("_foobar", "__foobar");
198 test_escape_one("", "_");
199 test_escape_one("_", "__");
200 test_escape_one(".", "_.");
203 static void test_controller_is_valid(void) {
204 assert_se(cg_controller_is_valid("foobar", false));
205 assert_se(cg_controller_is_valid("foo_bar", false));
206 assert_se(cg_controller_is_valid("name=foo", true));
207 assert_se(!cg_controller_is_valid("", false));
208 assert_se(!cg_controller_is_valid("name=", true));
209 assert_se(!cg_controller_is_valid("=", false));
210 assert_se(!cg_controller_is_valid("cpu,cpuacct", false));
211 assert_se(!cg_controller_is_valid("_", false));
212 assert_se(!cg_controller_is_valid("_foobar", false));
213 assert_se(!cg_controller_is_valid("tatü", false));
216 static void test_slice_to_path_one(const char *unit, const char *path, int error) {
217 _cleanup_free_ char *ret = NULL;
219 assert_se(cg_slice_to_path(unit, &ret) == error);
220 assert_se(streq_ptr(ret, path));
223 static void test_slice_to_path(void) {
225 test_slice_to_path_one("foobar.slice", "foobar.slice", 0);
226 test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0);
227 test_slice_to_path_one("foobar-waldo.service", NULL, -EINVAL);
228 test_slice_to_path_one("-.slice", NULL, -EINVAL);
229 test_slice_to_path_one("-foo-.slice", NULL, -EINVAL);
230 test_slice_to_path_one("-foo.slice", NULL, -EINVAL);
231 test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0);
232 test_slice_to_path_one("a-b-c-d-e.slice", "a.slice/a-b.slice/a-b-c.slice/a-b-c-d.slice/a-b-c-d-e.slice", 0);
236 test_path_decode_unit();
237 test_path_get_unit();
238 test_path_get_user_unit();
239 test_path_get_session();
240 test_path_get_owner_uid();
241 test_path_get_machine_name();
245 test_controller_is_valid();
246 test_slice_to_path();