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-statistics.h"
  21 #include "stc-restriction.h"
  22 #include "stc-manager-gdbus.h"
  23 #include "stc-db.h"
  24 #include "counter.h"
  25 #include "table-restrictions.h"
  26 #include "helper-cgroup.h"
  27 #include "helper-nfacct-rule.h"
  28 #include "stc-monitor.h"
  29 #include "stc-manager-plugin.h"
  30 #include "stc-app-lifecycle.h"
  31
  32 static stc_s *g_stc = NULL;
  33
  34 static void __stc_manager_deinit(void)
  35 {
  36         __STC_LOG_FUNC_ENTER__;
  37
  38         if (!g_stc) {
  39                 STC_LOGE("Memory for manager structure is not allocated");
  40                 return;
  41         }
  42
  43         stc_app_lifecycle_monitor_deinit();
  44         stc_monitor_deinit();
  45         stc_deinit_db_guard();
  46         stc_db_deinitialize();
  47         stc_manager_gdbus_deinit((gpointer)g_stc);
  48         stc_manager_plugin_deinit();
  49
  50         STC_LOGI("stc manager deinitialized");
  51         FREE(g_stc);
  52         __STC_LOG_FUNC_EXIT__;
  53 }
  54
  55 static stc_s *__stc_manager_init(void)
  56 {
  57         __STC_LOG_FUNC_ENTER__;
  58         stc_s *stc;
  59         stc_error_e err = STC_ERROR_NONE;
  60
  61         stc = MALLOC0(stc_s, 1);
  62         if (!stc) {
  63                 STC_LOGE("Failed to allocate memory for manager structure");
  64                 return NULL;
  65         }
  66         g_stc = stc;
  67
  68         cgroup_set_release_agent(NET_CLS_SUBSYS, NET_RELEASE_AGENT);
  69
  70         EXEC(STC_ERROR_NONE, stc_db_initialize());
  71
  72         err = stc_monitor_init();
  73         if (err != STC_ERROR_NONE)
  74                 goto handle_error;
  75
  76         stc_manager_gdbus_init((gpointer)stc);
  77         stc_manager_plugin_init();
  78         stc_app_lifecycle_monitor_init();
  79
  80         STC_LOGI("stc manager initialized");
  81         __STC_LOG_FUNC_EXIT__;
  82         return stc;
  83
  84 handle_error:
  85         STC_LOGD("Failed to initialize stc manager");
  86         __stc_manager_deinit();
  87         return NULL;
  88 }
  89
  90 stc_s *stc_get_manager(void)
  91 {
  92         return g_stc;
  93 }
  94
  95 gint32 main(gint32 argc, gchar *argv[])
  96 {
  97         GMainLoop *main_loop = NULL;
  98         gint32 ret = -1;
  99
 100         STC_LOGI("Smart Traffic Control Manager");
 101
 102         if (daemon(0, 0) != 0)
 103                 STC_LOGE("Can't start daemon");
 104
 105         /* Initialize required subsystems */
 106 #if !GLIB_CHECK_VERSION(2, 35, 0)
 107         g_type_init();
 108 #endif
 109
 110         /* Crate the GLIB main loop */
 111         main_loop = g_main_loop_new(NULL, FALSE);
 112
 113         stc_emulator_check_environment();
 114         if (stc_emulator_is_emulated() == FALSE) {
 115                 g_stc = __stc_manager_init();
 116                 if (!g_stc)
 117                         goto fail;
 118                 g_stc->main_loop = main_loop;
 119         }
 120
 121         /* Run the main loop */
 122         g_main_loop_run(main_loop);
 123
 124         ret = 0;
 125
 126 fail:
 127         if (stc_emulator_is_emulated() == FALSE)
 128                 __stc_manager_deinit();
 129
 130         if (main_loop)
 131                 g_main_loop_unref(main_loop);
 132
 133         return ret;
 134 }