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/>.
23 #include "cgroup-util.h"
24 #include "test-helper.h"
25 #include "formats-util.h"
26 #include "process-util.h"
27 #include "string-util.h"
29 static void check_p_d_u(const char *path
, int code
, const char *result
) {
30 _cleanup_free_
char *unit
= NULL
;
33 r
= cg_path_decode_unit(path
, &unit
);
34 printf("%s: %s → %s %d expected %s %d\n", __func__
, path
, unit
, r
, result
, code
);
36 assert_se(streq_ptr(unit
, result
));
39 static void test_path_decode_unit(void) {
40 check_p_d_u("getty@tty2.service", 0, "getty@tty2.service");
41 check_p_d_u("getty@tty2.service/", 0, "getty@tty2.service");
42 check_p_d_u("getty@tty2.service/xxx", 0, "getty@tty2.service");
43 check_p_d_u("getty@.service/", -ENXIO
, NULL
);
44 check_p_d_u("getty@.service", -ENXIO
, NULL
);
45 check_p_d_u("getty.service", 0, "getty.service");
46 check_p_d_u("getty", -ENXIO
, NULL
);
47 check_p_d_u("getty/waldo", -ENXIO
, NULL
);
48 check_p_d_u("_cpu.service", 0, "cpu.service");
51 static void check_p_g_u(const char *path
, int code
, const char *result
) {
52 _cleanup_free_
char *unit
= NULL
;
55 r
= cg_path_get_unit(path
, &unit
);
56 printf("%s: %s → %s %d expected %s %d\n", __func__
, path
, unit
, r
, result
, code
);
58 assert_se(streq_ptr(unit
, result
));
61 static void test_path_get_unit(void) {
62 check_p_g_u("/system.slice/foobar.service/sdfdsaf", 0, "foobar.service");
63 check_p_g_u("/system.slice/getty@tty5.service", 0, "getty@tty5.service");
64 check_p_g_u("/system.slice/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service");
65 check_p_g_u("/system.slice/getty@tty5.service/", 0, "getty@tty5.service");
66 check_p_g_u("/system.slice/getty@tty6.service/tty5", 0, "getty@tty6.service");
67 check_p_g_u("sadfdsafsda", -ENXIO
, NULL
);
68 check_p_g_u("/system.slice/getty####@tty6.service/xxx", -ENXIO
, NULL
);
69 check_p_g_u("/system.slice/system-waldo.slice/foobar.service/sdfdsaf", 0, "foobar.service");
70 check_p_g_u("/system.slice/system-waldo.slice/_cpu.service/sdfdsaf", 0, "cpu.service");
71 check_p_g_u("/user.slice/user-1000.slice/user@1000.service/server.service", 0, "user@1000.service");
72 check_p_g_u("/user.slice/user-1000.slice/user@.service/server.service", -ENXIO
, NULL
);
75 static void check_p_g_u_u(const char *path
, int code
, const char *result
) {
76 _cleanup_free_
char *unit
= NULL
;
79 r
= cg_path_get_user_unit(path
, &unit
);
80 printf("%s: %s → %s %d expected %s %d\n", __func__
, path
, unit
, r
, result
, code
);
82 assert_se(streq_ptr(unit
, result
));
85 static void test_path_get_user_unit(void) {
86 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "foobar.service");
87 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo.slice/foobar.service", 0, "foobar.service");
88 check_p_g_u_u("/user.slice/user-1002.slice/session-2.scope/foobar.service/waldo", 0, "foobar.service");
89 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar.service/waldo/uuuux", 0, "foobar.service");
90 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/waldo/waldo/uuuux", -ENXIO
, NULL
);
91 check_p_g_u_u("/user.slice/user-1000.slice/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
92 check_p_g_u_u("/session-2.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
93 check_p_g_u_u("/xyz.slice/xyz-waldo.slice/session-77.scope/foobar@pie.service/pa/po", 0, "foobar@pie.service");
94 check_p_g_u_u("/meh.service", -ENXIO
, NULL
);
95 check_p_g_u_u("/session-3.scope/_cpu.service", 0, "cpu.service");
96 check_p_g_u_u("/user.slice/user-1000.slice/user@1000.service/server.service", 0, "server.service");
97 check_p_g_u_u("/user.slice/user-1000.slice/user@1000.service/foobar.slice/foobar@pie.service", 0, "foobar@pie.service");
98 check_p_g_u_u("/user.slice/user-1000.slice/user@.service/server.service", -ENXIO
, NULL
);
101 static void check_p_g_s(const char *path
, int code
, const char *result
) {
102 _cleanup_free_
char *s
= NULL
;
104 assert_se(cg_path_get_session(path
, &s
) == code
);
105 assert_se(streq_ptr(s
, result
));
108 static void test_path_get_session(void) {
109 check_p_g_s("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, "2");
110 check_p_g_s("/session-3.scope", 0, "3");
111 check_p_g_s("/session-.scope", -ENXIO
, NULL
);
112 check_p_g_s("", -ENXIO
, NULL
);
115 static void check_p_g_o_u(const char *path
, int code
, uid_t result
) {
118 assert_se(cg_path_get_owner_uid(path
, &uid
) == code
);
119 assert_se(uid
== result
);
122 static void test_path_get_owner_uid(void) {
123 check_p_g_o_u("/user.slice/user-1000.slice/session-2.scope/foobar.service", 0, 1000);
124 check_p_g_o_u("/user.slice/user-1006.slice", 0, 1006);
125 check_p_g_o_u("", -ENXIO
, 0);
128 static void check_p_g_slice(const char *path
, int code
, const char *result
) {
129 _cleanup_free_
char *s
= NULL
;
131 assert_se(cg_path_get_slice(path
, &s
) == code
);
132 assert_se(streq_ptr(s
, result
));
135 static void test_path_get_slice(void) {
136 check_p_g_slice("/user.slice", 0, "user.slice");
137 check_p_g_slice("/foobar", 0, "-.slice");
138 check_p_g_slice("/user.slice/user-waldo.slice", 0, "user-waldo.slice");
139 check_p_g_slice("", 0, "-.slice");
140 check_p_g_slice("foobar", 0, "-.slice");
141 check_p_g_slice("foobar.slice", 0, "foobar.slice");
142 check_p_g_slice("foo.slice/foo-bar.slice/waldo.service", 0, "foo-bar.slice");
145 static void check_p_g_u_slice(const char *path
, int code
, const char *result
) {
146 _cleanup_free_
char *s
= NULL
;
148 assert_se(cg_path_get_user_slice(path
, &s
) == code
);
149 assert_se(streq_ptr(s
, result
));
152 static void test_path_get_user_slice(void) {
153 check_p_g_u_slice("/user.slice", -ENXIO
, NULL
);
154 check_p_g_u_slice("/foobar", -ENXIO
, NULL
);
155 check_p_g_u_slice("/user.slice/user-waldo.slice", -ENXIO
, NULL
);
156 check_p_g_u_slice("", -ENXIO
, NULL
);
157 check_p_g_u_slice("foobar", -ENXIO
, NULL
);
158 check_p_g_u_slice("foobar.slice", -ENXIO
, NULL
);
159 check_p_g_u_slice("foo.slice/foo-bar.slice/waldo.service", -ENXIO
, NULL
);
161 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service", 0, "-.slice");
162 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service/", 0, "-.slice");
163 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service///", 0, "-.slice");
164 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service/waldo.service", 0, "-.slice");
165 check_p_g_u_slice("foo.slice/foo-bar.slice/user@1000.service/piep.slice/foo.service", 0, "piep.slice");
166 check_p_g_u_slice("/foo.slice//foo-bar.slice/user@1000.service/piep.slice//piep-pap.slice//foo.service", 0, "piep-pap.slice");
169 static void test_get_paths(void) {
170 _cleanup_free_
char *a
= NULL
;
172 assert_se(cg_get_root_path(&a
) >= 0);
173 log_info("Root = %s", a
);
176 static void test_proc(void) {
177 _cleanup_closedir_
DIR *d
= NULL
;
181 d
= opendir("/proc");
184 FOREACH_DIRENT(de
, d
, break) {
185 _cleanup_free_
char *path
= NULL
, *path_shifted
= NULL
, *session
= NULL
, *unit
= NULL
, *user_unit
= NULL
, *machine
= NULL
, *slice
= NULL
;
187 uid_t uid
= UID_INVALID
;
189 if (de
->d_type
!= DT_DIR
&&
190 de
->d_type
!= DT_UNKNOWN
)
193 r
= parse_pid(de
->d_name
, &pid
);
197 if (is_kernel_thread(pid
))
200 cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER
, pid
, &path
);
201 cg_pid_get_path_shifted(pid
, NULL
, &path_shifted
);
202 cg_pid_get_owner_uid(pid
, &uid
);
203 cg_pid_get_session(pid
, &session
);
204 cg_pid_get_unit(pid
, &unit
);
205 cg_pid_get_user_unit(pid
, &user_unit
);
206 cg_pid_get_machine_name(pid
, &machine
);
207 cg_pid_get_slice(pid
, &slice
);
209 printf(PID_FMT
"\t%s\t%s\t"UID_FMT
"\t%s\t%s\t%s\t%s\t%s\n",
222 static void test_escape_one(const char *s
, const char *r
) {
223 _cleanup_free_
char *b
;
227 assert_se(streq(b
, r
));
229 assert_se(streq(cg_unescape(b
), s
));
232 static void test_escape(void) {
233 test_escape_one("foobar", "foobar");
234 test_escape_one(".foobar", "_.foobar");
235 test_escape_one("foobar.service", "foobar.service");
236 test_escape_one("cgroup.service", "_cgroup.service");
237 test_escape_one("tasks", "_tasks");
238 if (access("/sys/fs/cgroup/cpu", F_OK
) == 0)
239 test_escape_one("cpu.service", "_cpu.service");
240 test_escape_one("_foobar", "__foobar");
241 test_escape_one("", "_");
242 test_escape_one("_", "__");
243 test_escape_one(".", "_.");
246 static void test_controller_is_valid(void) {
247 assert_se(cg_controller_is_valid("foobar"));
248 assert_se(cg_controller_is_valid("foo_bar"));
249 assert_se(cg_controller_is_valid("name=foo"));
250 assert_se(!cg_controller_is_valid(""));
251 assert_se(!cg_controller_is_valid("name="));
252 assert_se(!cg_controller_is_valid("="));
253 assert_se(!cg_controller_is_valid("cpu,cpuacct"));
254 assert_se(!cg_controller_is_valid("_"));
255 assert_se(!cg_controller_is_valid("_foobar"));
256 assert_se(!cg_controller_is_valid("tatü"));
259 static void test_slice_to_path_one(const char *unit
, const char *path
, int error
) {
260 _cleanup_free_
char *ret
= NULL
;
262 assert_se(cg_slice_to_path(unit
, &ret
) == error
);
263 assert_se(streq_ptr(ret
, path
));
266 static void test_slice_to_path(void) {
268 test_slice_to_path_one("foobar.slice", "foobar.slice", 0);
269 test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0);
270 test_slice_to_path_one("foobar-waldo.service", NULL
, -EINVAL
);
271 test_slice_to_path_one("-.slice", "", 0);
272 test_slice_to_path_one("--.slice", NULL
, -EINVAL
);
273 test_slice_to_path_one("-", NULL
, -EINVAL
);
274 test_slice_to_path_one("-foo-.slice", NULL
, -EINVAL
);
275 test_slice_to_path_one("-foo.slice", NULL
, -EINVAL
);
276 test_slice_to_path_one("foo-.slice", NULL
, -EINVAL
);
277 test_slice_to_path_one("foo--bar.slice", NULL
, -EINVAL
);
278 test_slice_to_path_one("foo.slice/foo--bar.slice", NULL
, -EINVAL
);
279 test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0);
280 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);
283 static void test_shift_path_one(const char *raw
, const char *root
, const char *shifted
) {
284 const char *s
= NULL
;
286 assert_se(cg_shift_path(raw
, root
, &s
) >= 0);
287 assert_se(streq(s
, shifted
));
290 static void test_shift_path(void) {
292 test_shift_path_one("/foobar/waldo", "/", "/foobar/waldo");
293 test_shift_path_one("/foobar/waldo", "", "/foobar/waldo");
294 test_shift_path_one("/foobar/waldo", "/foobar", "/waldo");
295 test_shift_path_one("/foobar/waldo", "/fuckfuck", "/foobar/waldo");
298 static void test_mask_supported(void) {
303 assert_se(cg_mask_supported(&m
) >= 0);
305 for (c
= 0; c
< _CGROUP_CONTROLLER_MAX
; c
++)
306 printf("'%s' is supported: %s\n", cgroup_controller_to_string(c
), yes_no(m
& CGROUP_CONTROLLER_TO_MASK(c
)));
310 test_path_decode_unit();
311 test_path_get_unit();
312 test_path_get_user_unit();
313 test_path_get_session();
314 test_path_get_owner_uid();
315 test_path_get_slice();
316 test_path_get_user_slice();
317 TEST_REQ_RUNNING_SYSTEMD(test_get_paths());
319 TEST_REQ_RUNNING_SYSTEMD(test_escape());
320 test_controller_is_valid();
321 test_slice_to_path();
323 TEST_REQ_RUNNING_SYSTEMD(test_mask_supported());