src/libsystemd/systemd-state.c

   1 /*
   2  * libsyscommon
   3  *
   4  * Copyright (c) 2019 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the License);
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <libgdbus/dbus-systemd.h>
  22
  23 #include "shared/log.h"
  24
  25 #define SYSTEMD_DBUS_METHOD_SYSTEM_STATE        "SystemState"
  26 #define SYSTEMD_STATE_RUNNING                           "running"
  27 #define SYSTEMD_STATE_DEGRADED                          "degraded"
  28
  29 int check_system_boot_finished(void)
  30 {
  31         char *state = NULL;
  32         int ret = 0;
  33         size_t len;
  34         GVariant *reply = NULL;
  35
  36         reply = systemd_get_manager_property(SYSTEMD_DBUS_METHOD_SYSTEM_STATE);
  37         if (!reply) {
  38                 _E("Failed to get system state: No reply");
  39                 goto err;
  40         }
  41         if (!dh_get_param_from_var(reply, "s", &state)) {
  42                 _E("Failed to get system state(%s)", g_variant_get_type_string(reply));
  43                 goto err;
  44         }
  45
  46         _I("System state=%s", state);
  47
  48         len = strlen(state) + 1;
  49         if (!strncmp(state, SYSTEMD_STATE_RUNNING, len) ||
  50                 !strncmp(state, SYSTEMD_STATE_DEGRADED, len))
  51                 ret = 1;
  52         else
  53         ret = 0;
  54
  55 err:
  56         if (reply)
  57                 g_variant_unref(reply);
  58         free(state);
  59
  60         return ret;
  61 }