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-appstatus.h"
  28 #include "stc-manager-plugin-exception.h"
  29 #include "stc-manager-plugin-procfs.h"
  30
  31 static stc_s *g_stc = NULL;
  32
  33 /*
  34 static gboolean __validate_ident(const char *ident)
  35 {
  36         unsigned int i;
  37
  38         if (!ident)
  39                 return FALSE;
  40
  41         for (i = 0; i < strlen(ident); ++i)
  42                 if (!g_ascii_isprint(ident[i]))
  43                         return FALSE;
  44
  45         return TRUE;
  46 }
  47 */
  48
  49 static void __stc_manager_deinit(void)
  50 {
  51         __STC_LOG_FUNC_ENTER__;
  52
  53         if (!g_stc) {
  54                 STC_LOGE("Memory for manager structure is not allocated");
  55                 return;
  56         }
  57
  58         stc_monitor_deinit();
  59         stc_deinit_db_guard();
  60         stc_db_deinitialize();
  61
  62         stc_manager_gdbus_deinit((gpointer)g_stc);
  63
  64         stc_plugin_appstatus_deinit();
  65         stc_plugin_exception_deinit();
  66         stc_plugin_procfs_deinit();
  67
  68         STC_LOGI("stc manager deinitialized");
  69         FREE(g_stc);
  70         __STC_LOG_FUNC_EXIT__;
  71 }
  72
  73 static stc_s *__stc_manager_init(void)
  74 {
  75         __STC_LOG_FUNC_ENTER__;
  76         stc_s *stc;
  77         stc_error_e err = STC_ERROR_NONE;
  78
  79         stc = MALLOC0(stc_s, 1);
  80         if (!stc) {
  81                 STC_LOGE("Failed to allocate memory for manager structure");
  82                 return NULL;
  83         }
  84         g_stc = stc;
  85
  86         stc_util_initialize_config();
  87
  88         cgroup_set_release_agent(NET_CLS_SUBSYS, NET_RELEASE_AGENT);
  89
  90         EXEC(STC_ERROR_NONE, stc_db_initialize());
  91
  92         stc_plugin_appstatus_init();
  93         stc_plugin_exception_init();
  94         stc_plugin_procfs_init();
  95
  96         err = stc_monitor_init();
  97         if (err != STC_ERROR_NONE)
  98                 goto handle_error;
  99
 100         stc_manager_gdbus_init((gpointer)stc);
 101
 102         STC_LOGI("stc manager initialized");
 103         __STC_LOG_FUNC_EXIT__;
 104         return stc;
 105
 106 handle_error:
 107         STC_LOGD("Failed to initialize stc manager");
 108         __stc_manager_deinit();
 109         return NULL;
 110 }
 111
 112 stc_s *stc_get_manager(void)
 113 {
 114         return g_stc;
 115 }
 116
 117 gint32 main(gint32 argc, gchar *argv[])
 118 {
 119         GMainLoop *main_loop = NULL;
 120         gint32 ret = -1;
 121
 122         STC_LOGI("Smart Traffic Control Manager");
 123
 124         if (daemon(0, 0) != 0)
 125                 STC_LOGE("Can't start daemon");
 126
 127         /* Initialize required subsystems */
 128 #if !GLIB_CHECK_VERSION(2, 35, 0)
 129         g_type_init();
 130 #endif
 131
 132         /* Crate the GLIB main loop */
 133         main_loop = g_main_loop_new(NULL, FALSE);
 134
 135         stc_emulator_check_environment();
 136         if (stc_emulator_is_emulated() == FALSE) {
 137                 g_stc = __stc_manager_init();
 138                 if (!g_stc)
 139                         goto fail;
 140                 g_stc->main_loop = main_loop;
 141         }
 142
 143         /* Run the main loop */
 144         g_main_loop_run(main_loop);
 145
 146         ret = 0;
 147
 148 fail:
 149         if (stc_emulator_is_emulated() == FALSE)
 150                 __stc_manager_deinit();
 151
 152         if (main_loop)
 153                 g_main_loop_unref(main_loop);
 154
 155         return ret;
 156 }