chiark / gitweb /
core: add new .slice unit type for partitioning systems
[elogind.git] / src / test / test-cgroup-util.c
index b30bf23..d4d58b3 100644 (file)
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
 #include <assert.h>
 
 #include "util.h"
 #include "cgroup-util.h"
 
-#define check_c_t_u(path, code, result) \
-{ \
-   char a[] = path; \
-   char *unit = NULL; \
-   assert_se(cgroup_to_unit(a, &unit) == code); \
-   assert(code < 0 || streq(unit, result));                 \
+static void check_p_d_u(const char *path, int code, const char *result) {
+        _cleanup_free_ char *unit = NULL;
+
+        assert_se(cg_path_decode_unit(path, &unit) == code);
+        assert_se(streq_ptr(unit, result));
+}
+
+static void test_path_decode_unit(void) {
+        check_p_d_u("getty@.service/getty@tty2.service", 0, "getty@tty2.service");
+        check_p_d_u("getty@.service/getty@tty2.service/xxx", 0, "getty@tty2.service");
+        check_p_d_u("getty@.service/", -EINVAL, NULL);
+        check_p_d_u("getty@.service", -EINVAL, NULL);
+        check_p_d_u("getty.service", 0, "getty.service");
+        check_p_d_u("getty", -EINVAL, NULL);
+}
+
+static void check_p_g_u(const char *path, int code, const char *result) {
+        _cleanup_free_ char *unit = NULL;
+
+        assert_se(cg_path_get_unit(path, &unit) == code);
+        assert_se(streq_ptr(unit, result));
+}
+
+static void check_p_g_u_u(const char *path, int code, const char *result) {
+        _cleanup_free_ char *unit = NULL;
+
+        assert_se(cg_path_get_user_unit(path, &unit) == code);
+        assert_se(streq_ptr(unit, result));
+}
+
+static void test_path_get_unit(void) {
+        check_p_g_u("/system/foobar.service/sdfdsaf", 0, "foobar.service");
+        check_p_g_u("/system/getty@.service/getty@tty5.service", 0, "getty@tty5.service");
+        check_p_g_u("/system/getty@.service/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service");
+        check_p_g_u("/system/getty@.service/getty@tty5.service/", 0, "getty@tty5.service");
+        check_p_g_u("/system/getty@tty6.service/tty5", 0, "getty@tty6.service");
+        check_p_g_u("sadfdsafsda", -ENOENT, NULL);
+        check_p_g_u("/system/getty####@tty6.service/tty5", -EINVAL, NULL);
+}
+
+static void test_path_get_user_unit(void) {
+        check_p_g_u_u("/user/lennart/2/systemd-21548/foobar.service", 0, "foobar.service");
+        check_p_g_u_u("/user/lennart/2/systemd-21548/foobar.service/waldo", 0, "foobar.service");
+        check_p_g_u_u("/user/lennart/2/systemd-21548/foobar.service/waldo/uuuux", 0, "foobar.service");
+        check_p_g_u_u("/user/lennart/2/systemd-21548/waldo/waldo/uuuux", -EINVAL, NULL);
+        check_p_g_u_u("/user/lennart/2/foobar.service", -ENOENT, NULL);
+        check_p_g_u_u("/user/lennart/2/systemd-21548/foobar@.service/foobar@pie.service/pa/po", 0, "foobar@pie.service");
+}
+
+static void test_get_paths(void) {
+        _cleanup_free_ char *a = NULL, *b = NULL, *c = NULL, *d = NULL;
+
+        assert_se(cg_get_root_path(&a) >= 0);
+        log_info("Root = %s", a);
+
+        assert_se(cg_get_system_path(&b) >= 0);
+        log_info("System = %s", b);
+
+        assert_se(cg_get_user_path(&c) >= 0);
+        log_info("User = %s", c);
+
+        assert_se(cg_get_machine_path("harley", &d) >= 0);
+        log_info("Machine = %s", d);
+}
+
+static void test_proc(void) {
+        _cleanup_closedir_ DIR *d = NULL;
+        struct dirent *de;
+        int r;
+
+        d = opendir("/proc");
+        assert_se(d);
+
+        FOREACH_DIRENT(de, d, break) {
+                _cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *prefix = NULL;
+                pid_t pid;
+                uid_t uid = (uid_t) -1;
+
+                if (de->d_type != DT_DIR &&
+                    de->d_type != DT_UNKNOWN)
+                        continue;
+
+                r = parse_pid(de->d_name, &pid);
+                if (r < 0)
+                        continue;
+
+                if (is_kernel_thread(pid))
+                        continue;
+
+                cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &path);
+                cg_pid_get_path_shifted(pid, &prefix, &path_shifted);
+                cg_pid_get_owner_uid(pid, &uid);
+                cg_pid_get_session(pid, &session);
+                cg_pid_get_unit(pid, &unit);
+                cg_pid_get_user_unit(pid, &user_unit);
+                cg_pid_get_machine_name(pid, &machine);
+
+                printf("%lu\t%s\t%s\t%s\t%lu\t%s\t%s\t%s\t%s\n",
+                       (unsigned long) pid,
+                       path,
+                       prefix,
+                       path_shifted,
+                       (unsigned long) uid,
+                       session,
+                       unit,
+                       user_unit,
+                       machine);
+        }
+}
+
+static void test_escape_one(const char *s, const char *r) {
+        _cleanup_free_ char *b;
+
+        b = cg_escape(s);
+        assert_se(b);
+        assert_se(streq(b, r));
+
+        assert_se(streq(cg_unescape(b), s));
+}
+
+static void test_escape(void) {
+        test_escape_one("foobar", "foobar");
+        test_escape_one(".foobar", "_.foobar");
+        test_escape_one("foobar.service", "foobar.service");
+        test_escape_one("cgroup.service", "_cgroup.service");
+        test_escape_one("cpu.service", "_cpu.service");
+        test_escape_one("tasks", "_tasks");
+        test_escape_one("_foobar", "__foobar");
+        test_escape_one("", "_");
+        test_escape_one("_", "__");
+        test_escape_one(".", "_.");
+}
+
+static void test_controller_is_valid(void) {
+        assert_se(cg_controller_is_valid("foobar", false));
+        assert_se(cg_controller_is_valid("foo_bar", false));
+        assert_se(cg_controller_is_valid("name=foo", true));
+        assert_se(!cg_controller_is_valid("", false));
+        assert_se(!cg_controller_is_valid("name=", true));
+        assert_se(!cg_controller_is_valid("=", false));
+        assert_se(!cg_controller_is_valid("cpu,cpuacct", false));
+        assert_se(!cg_controller_is_valid("_", false));
+        assert_se(!cg_controller_is_valid("_foobar", false));
+        assert_se(!cg_controller_is_valid("tatü", false));
+}
+
+static void test_slice_to_path_one(const char *unit, const char *path, int error) {
+        _cleanup_free_ char *ret = NULL;
+
+        assert_se(cg_slice_to_path(unit, &ret) == error);
+        assert_se(streq_ptr(ret, path));
 }
 
+static void test_slice_to_path(void) {
 
-static void test_cgroup_to_unit(void) {
-        check_c_t_u("/system/getty@.service/tty2", 0, "getty@tty2.service");
-        check_c_t_u("/system/getty@.service/", -EINVAL, "getty@tty2.service");
-        check_c_t_u("/system/getty@.service", -EINVAL, "getty@tty2.service");
-        check_c_t_u("/system/getty.service", 0, "getty.service");
-        check_c_t_u("/system/getty", -EINVAL, "getty.service");
+        test_slice_to_path_one("foobar.slice", "foobar.slice", 0);
+        test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0);
+        test_slice_to_path_one("foobar-waldo.service", NULL, -EINVAL);
+        test_slice_to_path_one("-.slice", NULL, -EINVAL);
+        test_slice_to_path_one("-foo-.slice", NULL, -EINVAL);
+        test_slice_to_path_one("-foo.slice", NULL, -EINVAL);
+        test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0);
+        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);
 }
 
 int main(void) {
-        test_cgroup_to_unit();
+        test_path_decode_unit();
+        test_path_get_unit();
+        test_path_get_user_unit();
+        test_get_paths();
+        test_proc();
+        test_escape();
+        test_controller_is_valid();
+        test_slice_to_path();
 
         return 0;
 }