src/stc-manager.c

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <signal.h>
  18 #include "stc-manager.h"
  19 #include "stc-emulator.h"
  20 #include "stc-manager-gdbus.h"
  21 #include "stc-db.h"
  22 #include "counter.h"
  23 #include "table-restrictions.h"
  24 #include "helper-cgroup.h"
  25 #include "helper-nfacct-rule.h"
  26 #include "stc-monitor.h"
  27 #include "stc-manager-plugin.h"
  28 #include "stc-app-lifecycle.h"
  29
  30 static stc_s *g_stc = NULL;
  31
  32 static void __stc_manager_deinit(void)
  33 {
  34         __STC_LOG_FUNC_ENTER__;
  35
  36         if (!g_stc) {
  37                 STC_LOGE("Memory for manager structure is not allocated");
  38                 return;
  39         }
  40
  41         stc_monitor_deinit();
  42         stc_deinit_db_guard();
  43         stc_db_deinitialize();
  44
  45         stc_manager_gdbus_deinit((gpointer)g_stc);
  46         stc_app_lifecycle_monitor_deinit();
  47         stc_manager_plugin_deinit();
  48
  49         STC_LOGI("stc manager deinitialized");
  50         FREE(g_stc);
  51         __STC_LOG_FUNC_EXIT__;
  52 }
  53
  54 static stc_s *__stc_manager_init(void)
  55 {
  56         __STC_LOG_FUNC_ENTER__;
  57         stc_s *stc;
  58         stc_error_e err = STC_ERROR_NONE;
  59
  60         stc = MALLOC0(stc_s, 1);
  61         if (!stc) {
  62                 STC_LOGE("Failed to allocate memory for manager structure");
  63                 return NULL;
  64         }
  65         g_stc = stc;
  66
  67         cgroup_set_release_agent(NET_CLS_SUBSYS, NET_RELEASE_AGENT);
  68
  69         EXEC(STC_ERROR_NONE, stc_db_initialize());
  70
  71         err = stc_monitor_init();
  72         if (err != STC_ERROR_NONE)
  73                 goto handle_error;
  74
  75         stc_manager_plugin_init();
  76         stc_app_lifecycle_monitor_init();
  77         stc_manager_gdbus_init((gpointer)stc);
  78
  79         STC_LOGI("stc manager initialized");
  80         __STC_LOG_FUNC_EXIT__;
  81         return stc;
  82
  83 handle_error:
  84         STC_LOGD("Failed to initialize stc manager");
  85         __stc_manager_deinit();
  86         return NULL;
  87 }
  88
  89 stc_s *stc_get_manager(void)
  90 {
  91         return g_stc;
  92 }
  93
  94 gint32 main(gint32 argc, gchar *argv[])
  95 {
  96         GMainLoop *main_loop = NULL;
  97         gint32 ret = -1;
  98
  99         STC_LOGI("Smart Traffic Control Manager");
 100
 101         if (daemon(0, 0) != 0)
 102                 STC_LOGE("Can't start daemon");
 103
 104         /* Initialize required subsystems */
 105 #if !GLIB_CHECK_VERSION(2, 35, 0)
 106         g_type_init();
 107 #endif
 108
 109         /* Crate the GLIB main loop */
 110         main_loop = g_main_loop_new(NULL, FALSE);
 111
 112         stc_emulator_check_environment();
 113         if (stc_emulator_is_emulated() == FALSE) {
 114                 g_stc = __stc_manager_init();
 115                 if (!g_stc)
 116                         goto fail;
 117                 g_stc->main_loop = main_loop;
 118         }
 119
 120         /* Run the main loop */
 121         g_main_loop_run(main_loop);
 122
 123         ret = 0;
 124
 125 fail:
 126         if (stc_emulator_is_emulated() == FALSE)
 127                 __stc_manager_deinit();
 128
 129         if (main_loop)
 130                 g_main_loop_unref(main_loop);
 131
 132         return ret;
 133 }