src/monitor/stc-monitor.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 <linux/netlink.h>
  18 #include <vconf.h>
  19 #include <vconf-keys.h>
  20
  21 #include "stc-default-connection.h"
  22 #include "helper-nl.h"
  23 #include "helper-nfacct-rule.h"
  24 #include "helper-net-cls.h"
  25 #include "helper-cgroup.h"
  26 #include "helper-iptables.h"
  27 #include "counter.h"
  28 #include "table-statistics.h"
  29 #include "table-counters.h"
  30 #include "stc-monitor.h"
  31 #include "stc-manager-plugin.h"
  32
  33 #define MAX_INT_LENGTH 128
  34 #define VCONFKEY_STC_BACKGROUND_STATE "db/stc/background_state"
  35
  36 typedef struct {
  37         stc_app_key_s *app_key;
  38         stc_process_key_s *proc_key;
  39         gboolean entry_removed;
  40 } remove_pid_context_s;
  41
  42 typedef struct {
  43         struct nfacct_rule *counter;
  44         int64_t bytes;
  45         gboolean data_limit_reached;
  46 } classid_bytes_context_s;
  47
  48 static stc_system_s *g_system = NULL;
  49
  50 static nfacct_rule_jump __get_jump_by_intend(struct nfacct_rule *counter)
  51 {
  52         if (counter->intend == NFACCT_WARN)
  53                 return NFACCT_JUMP_ACCEPT;
  54         else if (counter->intend == NFACCT_BLOCK)
  55                 return NFACCT_JUMP_REJECT;
  56
  57         return NFACCT_JUMP_UNKNOWN;
  58 }
  59
  60 static stc_error_e __add_iptables_in(struct nfacct_rule *counter)
  61 {
  62         if (counter == NULL)
  63                 return STC_ERROR_INVALID_PARAMETER;
  64
  65         counter->action = NFACCT_ACTION_INSERT;
  66         counter->iotype = NFACCT_COUNTER_IN;
  67         counter->jump = __get_jump_by_intend(counter);
  68         counter->iptype = NFACCT_TYPE_IPV4;
  69         counter->send_limit = 0;
  70         counter->rcv_limit = 0;
  71
  72         return produce_net_rule(counter);
  73 }
  74
  75 static stc_error_e __add_iptables_out(struct nfacct_rule *counter)
  76 {
  77         if (counter == NULL)
  78                 return STC_ERROR_INVALID_PARAMETER;
  79
  80         counter->action = NFACCT_ACTION_INSERT;
  81         counter->iotype = NFACCT_COUNTER_OUT;
  82         counter->jump = __get_jump_by_intend(counter);
  83         counter->iptype = NFACCT_TYPE_IPV4;
  84         counter->send_limit = 0;
  85         counter->rcv_limit = 0;
  86
  87         return produce_net_rule(counter);
  88 }
  89
  90 static stc_error_e __del_iptables_in(struct nfacct_rule *counter)
  91 {
  92         if (counter == NULL)
  93                 return STC_ERROR_INVALID_PARAMETER;
  94
  95         counter->action = NFACCT_ACTION_DELETE;
  96         counter->iotype = NFACCT_COUNTER_IN;
  97         counter->jump = __get_jump_by_intend(counter);
  98         counter->iptype = NFACCT_TYPE_IPV4;
  99         counter->send_limit = 0;
 100         counter->rcv_limit = 0;
 101
 102         return produce_net_rule(counter);
 103 }
 104
 105 static stc_error_e __del_iptables_out(struct nfacct_rule *counter)
 106 {
 107         if (counter == NULL)
 108                 return STC_ERROR_INVALID_PARAMETER;
 109
 110         counter->action = NFACCT_ACTION_DELETE;
 111         counter->iotype = NFACCT_COUNTER_OUT;
 112         counter->jump = __get_jump_by_intend(counter);
 113         counter->iptype = NFACCT_TYPE_IPV4;
 114         counter->send_limit = 0;
 115         counter->rcv_limit = 0;
 116
 117         return produce_net_rule(counter);
 118 }
 119
 120 static stc_error_e __add_ip6tables_in(struct nfacct_rule *counter)
 121 {
 122         if (counter == NULL)
 123                 return STC_ERROR_INVALID_PARAMETER;
 124
 125         counter->action = NFACCT_ACTION_INSERT;
 126         counter->iotype = NFACCT_COUNTER_IN;
 127         counter->jump = __get_jump_by_intend(counter);
 128         counter->iptype = NFACCT_TYPE_IPV6;
 129         counter->send_limit = 0;
 130         counter->rcv_limit = 0;
 131
 132         return produce_net_rule(counter);
 133 }
 134
 135 static stc_error_e __add_ip6tables_out(struct nfacct_rule *counter)
 136 {
 137         if (counter == NULL)
 138                 return STC_ERROR_INVALID_PARAMETER;
 139
 140         counter->action = NFACCT_ACTION_INSERT;
 141         counter->iotype = NFACCT_COUNTER_OUT;
 142         counter->jump = __get_jump_by_intend(counter);
 143         counter->iptype = NFACCT_TYPE_IPV6;
 144         counter->send_limit = 0;
 145         counter->rcv_limit = 0;
 146
 147         return produce_net_rule(counter);
 148 }
 149
 150 static stc_error_e __del_ip6tables_in(struct nfacct_rule *counter)
 151 {
 152         if (counter == NULL)
 153                 return STC_ERROR_INVALID_PARAMETER;
 154
 155         counter->action = NFACCT_ACTION_DELETE;
 156         counter->iotype = NFACCT_COUNTER_IN;
 157         counter->jump = __get_jump_by_intend(counter);
 158         counter->iptype = NFACCT_TYPE_IPV6;
 159         counter->send_limit = 0;
 160         counter->rcv_limit = 0;
 161
 162         return produce_net_rule(counter);
 163 }
 164
 165 static stc_error_e __del_ip6tables_out(struct nfacct_rule *counter)
 166 {
 167         if (counter == NULL)
 168                 return STC_ERROR_INVALID_PARAMETER;
 169
 170         counter->action = NFACCT_ACTION_DELETE;
 171         counter->iotype = NFACCT_COUNTER_OUT;
 172         counter->jump = __get_jump_by_intend(counter);
 173         counter->iptype = NFACCT_TYPE_IPV6;
 174         counter->send_limit = 0;
 175         counter->rcv_limit = 0;
 176
 177         return produce_net_rule(counter);
 178 }
 179
 180 static int __processes_tree_key_compare(gconstpointer a, gconstpointer b,
 181                                         gpointer UNUSED user_data)
 182 {
 183         stc_process_key_s *key_a = (stc_process_key_s *)a;
 184         stc_process_key_s *key_b = (stc_process_key_s *)b;
 185
 186         return key_a->pid - key_b->pid;
 187 }
 188
 189 static void __processes_tree_value_free(gpointer data)
 190 {
 191         stc_process_value_s *value = (stc_process_value_s *)data;
 192
 193         FREE(value);
 194 }
 195
 196 static void __processes_tree_key_free(gpointer data)
 197 {
 198         stc_process_key_s *key = (stc_process_key_s *)data;
 199
 200         FREE(key);
 201 }
 202
 203 static int __apps_tree_key_compare(gconstpointer a, gconstpointer b,
 204                                    gpointer UNUSED user_data)
 205 {
 206         stc_app_key_s *key_a = (stc_app_key_s *)a;
 207         stc_app_key_s *key_b = (stc_app_key_s *)b;
 208         gint ret;
 209
 210         ret = g_strcmp0(key_a->pkg_id, key_b->pkg_id);
 211         if (ret)
 212                 return ret;
 213
 214         return g_strcmp0(key_a->app_id, key_b->app_id);
 215 }
 216
 217 static void __apps_tree_value_free(gpointer data)
 218 {
 219         stc_app_value_s *value = (stc_app_value_s *)data;
 220
 221         g_tree_destroy(value->processes);
 222         value->processes = NULL;
 223
 224         FREE(value);
 225 }
 226
 227 static void __apps_tree_key_free(gpointer data)
 228 {
 229         stc_app_key_s *key = (stc_app_key_s *)data;
 230
 231         g_free(key->pkg_id);
 232         g_free(key->app_id);
 233         FREE(key);
 234 }
 235
 236 static int __rstns_tree_key_compare(gconstpointer a, gconstpointer b,
 237                                     gpointer UNUSED user_data)
 238 {
 239         stc_rstn_key_s *key_a = (stc_rstn_key_s *)a;
 240         stc_rstn_key_s *key_b = (stc_rstn_key_s *)b;
 241         int ret;
 242
 243         ret = g_strcmp0(key_a->app_id, key_b->app_id);
 244         if (ret != 0)
 245                 return ret;
 246
 247         ret = g_strcmp0(key_a->ifname, key_b->ifname);
 248         if (ret != 0)
 249                 return ret;
 250
 251         ret = g_strcmp0(key_a->subscriber_id, key_b->subscriber_id);
 252         if (ret != 0)
 253                 return ret;
 254
 255         ret = key_a->iftype - key_b->iftype;
 256         if (ret != 0)
 257                 return ret;
 258
 259         return 0;
 260 }
 261
 262 static void __rstns_tree_value_free(gpointer data)
 263 {
 264         stc_rstn_value_s *value = (stc_rstn_value_s *)data;
 265
 266         FREE(value);
 267 }
 268
 269 static void __rstns_tree_key_free(gpointer data)
 270 {
 271         stc_rstn_key_s *key = (stc_rstn_key_s *)data;
 272
 273         FREE(key->app_id);
 274         FREE(key->ifname);
 275         FREE(key->subscriber_id);
 276         FREE(key);
 277 }
 278
 279 //LCOV_EXCL_START
 280 static gboolean __processes_tree_foreach_print(gpointer key, gpointer value,
 281                                                gpointer data)
 282 {
 283         stc_process_key_s *proc_key = (stc_process_key_s *)key;
 284         stc_process_value_s *proc_value = (stc_process_value_s *)value;
 285
 286         STC_LOGD("Process entry => PID [\033[1;33m%d\033[0;m], Ground state [%d]",
 287                  proc_key->pid, proc_value->ground);
 288         return FALSE;
 289 }
 290
 291 static void __processes_tree_printall(GTree *processes)
 292 {
 293         g_tree_foreach(processes, __processes_tree_foreach_print, NULL);
 294 }
 295
 296 static gboolean __apps_tree_foreach_print(gpointer key, gpointer value,
 297                                           gpointer data)
 298 {
 299         stc_app_key_s *app_key = (stc_app_key_s *)key;
 300         stc_app_value_s *app_value = (stc_app_value_s *)value;
 301
 302         STC_LOGD("Application info => Pkg ID [\033[0;34m%s\033[0;m], "
 303                  "App ID [\033[0;32m%s\033[0;m], Type [%d], classid [%d],"
 304                  " counter [ in (%lld), out (%lld)]",
 305                  app_key->pkg_id, app_key->app_id,
 306                  app_value->type, app_value->classid,
 307                  app_value->data_usage.in_bytes, app_value->data_usage.out_bytes);
 308
 309         __processes_tree_printall(app_value->processes);
 310         return FALSE;
 311 }
 312
 313 static void __apps_tree_printall(void)
 314 {
 315         g_tree_foreach(g_system->apps, __apps_tree_foreach_print, NULL);
 316 }
 317 //LCOV_EXCL_STOP
 318
 319 static gboolean __apps_tree_foreach_remove_pid(gpointer key, gpointer value,
 320                                                gpointer data)
 321 {
 322         remove_pid_context_s *context = (remove_pid_context_s *)data;
 323         stc_app_value_s *app_value = (stc_app_value_s *)value;
 324
 325         if (!g_tree_remove(app_value->processes, context->proc_key)) {
 326                 if (STC_DEBUG_LOG)
 327                         STC_LOGD("key not found"); //LCOV_EXCL_LINE
 328                 return FALSE;
 329         }
 330
 331         context->entry_removed = TRUE;
 332         context->app_key = (stc_app_key_s *)key;
 333
 334         return TRUE;
 335 }
 336
 337 static stc_app_value_s * __application_lookup(GTree *apps,
 338                                               const stc_app_key_s *key)
 339 {
 340         stc_app_value_s *lookup;
 341
 342         ret_value_msg_if(apps == NULL, NULL, "apps is null!");
 343
 344         lookup = g_tree_lookup(apps, key);
 345
 346         return lookup;
 347 }
 348
 349 static stc_process_value_s * __process_lookup(GTree *processes,
 350                                               const stc_process_key_s *key)
 351 {
 352         stc_process_value_s *lookup;
 353
 354         ret_value_msg_if(processes == NULL, NULL, "processes is null!");
 355
 356         lookup = g_tree_lookup(processes, key);
 357
 358         return lookup;
 359 }
 360
 361 //LCOV_EXCL_START
 362 static gboolean __processes_tree_check_empty(gpointer key, gpointer value,
 363                                              gpointer data)
 364 {
 365         guint *pid_count = (guint *)data;
 366         (*pid_count)++;
 367         return TRUE;
 368 }
 369 //LCOV_EXCL_STOP
 370
 371 static gboolean __add_application_monitor(gpointer key, gpointer value,
 372                                           gpointer data)
 373 {
 374         stc_app_value_s *app_value = (stc_app_value_s *)value;
 375         default_connection_s *connection = (default_connection_s *)data;
 376         stc_s *stc = stc_get_manager();
 377
 378         if (app_value->classid == STC_TOTAL_DATACALL_CLASSID ||
 379             app_value->classid == STC_TOTAL_WIFI_CLASSID ||
 380             app_value->classid == STC_TOTAL_BLUETOOTH_CLASSID)
 381                 return FALSE;
 382
 383         if (stc && connection && connection->ifname) {
 384                 struct nfacct_rule counter;
 385
 386                 if (!stc->carg) {
 387                         stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 388                         if (stc->carg == NULL) //LCOV_EXCL_LINE
 389                                 return FALSE; //LCOV_EXCL_LINE
 390
 391                         stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 392                 }
 393
 394                 memset(&counter, 0, sizeof(struct nfacct_rule));
 395
 396                 counter.carg = stc->carg;
 397                 counter.classid = app_value->classid;
 398                 counter.intend = NFACCT_COUNTER;
 399                 counter.iftype = connection->type;
 400                 g_strlcpy(counter.ifname, connection->ifname, MAX_IFACE_LENGTH);
 401
 402                 if (app_value->classid == STC_TOTAL_IPV4_CLASSID) {
 403                         __add_iptables_in(&counter);
 404                         __add_iptables_out(&counter);
 405                 } else if (app_value->classid == STC_TOTAL_IPV6_CLASSID) {
 406                         __add_ip6tables_in(&counter);
 407                         __add_ip6tables_out(&counter);
 408                 } else {
 409                         __add_iptables_in(&counter);
 410                         __add_iptables_out(&counter);
 411                         __add_ip6tables_in(&counter);
 412                         __add_ip6tables_out(&counter);
 413                 }
 414         }
 415
 416         return FALSE;
 417 }
 418
 419 static gboolean __remove_application_monitor(gpointer key, gpointer value,
 420                                              gpointer data)
 421 {
 422         stc_app_value_s *app_value = (stc_app_value_s *)value;
 423         default_connection_s *connection = (default_connection_s *)data;
 424         stc_s *stc = stc_get_manager();
 425
 426         if (stc && connection && connection->ifname) {
 427                 struct nfacct_rule counter;
 428
 429                 if (!stc->carg) {
 430                         stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 431                         if (stc->carg == NULL) //LCOV_EXCL_LINE
 432                                 return FALSE; //LCOV_EXCL_LINE
 433
 434                         stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 435                 }
 436
 437                 memset(&counter, 0, sizeof(struct nfacct_rule));
 438
 439                 counter.carg = stc->carg;
 440                 counter.classid = app_value->classid;
 441                 counter.intend = NFACCT_COUNTER;
 442                 counter.iftype = connection->type;
 443                 g_strlcpy(counter.ifname, connection->ifname, MAX_IFACE_LENGTH);
 444
 445                 __del_iptables_in(&counter);
 446                 __del_iptables_out(&counter);
 447                 __del_ip6tables_in(&counter);
 448                 __del_ip6tables_out(&counter);
 449         }
 450
 451         return FALSE;
 452 }
 453
 454 static void __print_rstn(stc_rstn_key_s *rstn_key, stc_rstn_value_s *rstn_value)
 455 {
 456         STC_LOGI("rstn info => rstn_id [%llu], "
 457                  "app_id [%s], classid [%lu], ifname [%s], "
 458                  "iftype [%d], rst_state [%d], "
 459                  "limit [ (%lld) bytes], "
 460                  "warn_limit [ (%lld) bytes], "
 461                  "counter [ (%lld) bytes], "
 462                  "roaming [%d], subscriber_id [%s]",
 463                  rstn_value->restriction_id,
 464                  rstn_key->app_id, rstn_value->classid , rstn_key->ifname,
 465                  rstn_key->iftype, rstn_value->rst_state,
 466                  rstn_value->data_limit,
 467                  rstn_value->data_warn_limit,
 468                  rstn_value->data_counter,
 469                  rstn_key->roaming, rstn_key->subscriber_id);
 470 }
 471
 472 static void __process_restriction(enum traffic_restriction_type rst_type,
 473                                   stc_rstn_key_s *rstn_key,
 474                                   stc_rstn_value_s *rstn_value, void *data)
 475 {
 476         int64_t effective_data_limit, effective_data_warn_limit;
 477         default_connection_s *old_connection = (default_connection_s *)data;
 478         default_connection_s *connection = NULL;
 479
 480         if (old_connection != NULL)
 481                 connection = old_connection;
 482         else
 483                 connection = stc_get_default_connection();
 484
 485         /* no default ifname */
 486         if (connection->ifname == NULL)
 487                 return;
 488
 489         /* rstn not applicable for this interface */
 490         if (rstn_key->ifname != NULL && g_strcmp0("", rstn_key->ifname) != 0 &&
 491             g_strcmp0(connection->ifname, rstn_key->ifname) != 0)
 492                 return;
 493
 494         /* classid is invalid */
 495         if (rstn_value->classid <= STC_UNKNOWN_CLASSID)
 496                 return;
 497
 498         effective_data_limit = rstn_value->data_limit;
 499         effective_data_warn_limit = rstn_value->data_warn_limit;
 500
 501         if (rst_type == RST_SET) {
 502                 /* TODO: Change this to runtime memory */
 503                 table_counters_info info;
 504
 505                 memset(&info, 0, sizeof(table_counters_info));
 506                 table_counters_get(rstn_value->restriction_id, &info);
 507
 508                 effective_data_limit -= info.data_counter;
 509                 effective_data_warn_limit -= info.data_counter;
 510
 511                 if (effective_data_limit < 0) {
 512                         effective_data_limit = 0; //LCOV_EXCL_LINE
 513                         rstn_value->data_limit_reached = TRUE; //LCOV_EXCL_LINE
 514                 }
 515
 516                 if (effective_data_warn_limit < 0)
 517                         effective_data_warn_limit = 0; //LCOV_EXCL_LINE
 518
 519                 STC_LOGD("datausage [%lld] bytes", info.data_counter);
 520         }
 521
 522         STC_LOGD("rstn_id [%llu], effective_data_limit [%lld] bytes, "
 523                  "effective_data_warn_limit [%lld] bytes",
 524                  rstn_value->restriction_id, effective_data_limit,
 525                  effective_data_warn_limit);
 526
 527         switch (rst_type) {
 528         case RST_SET:
 529                 if (effective_data_limit <= 0) {
 530                         char *default_ifname = stc_default_connection_get_ifname();
 531                         struct nfacct_rule counter;
 532                         stc_s *stc = stc_get_manager();
 533                         if (!stc) {
 534                                 g_free(default_ifname); //LCOV_EXCL_LINE
 535                                 return; //LCOV_EXCL_LINE
 536                         }
 537
 538                         if (!stc->carg) {
 539                                 stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 540                                 if (stc->carg == NULL) { //LCOV_EXCL_LINE
 541                                         g_free(default_ifname); //LCOV_EXCL_LINE
 542                                         return; //LCOV_EXCL_LINE
 543                                 }
 544
 545                                 stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 546                         }
 547
 548                         counter.carg = stc->carg;
 549                         counter.classid = rstn_value->classid;
 550                         counter.intend = NFACCT_BLOCK;
 551                         counter.iftype = rstn_key->iftype;
 552                         g_strlcpy(counter.ifname, default_ifname,
 553                                   MAX_IFACE_LENGTH);
 554                         g_free(default_ifname);
 555
 556                         /* iptables rule */
 557                         __add_iptables_in(&counter);
 558                         __add_iptables_out(&counter);
 559
 560                         /* ip6tables rule */
 561                         __add_ip6tables_in(&counter);
 562                         __add_ip6tables_out(&counter);
 563                 }
 564
 565                 rstn_value->rst_state = STC_RESTRICTION_ACTIVATED;
 566                 rstn_value->data_limit_reached = FALSE;
 567                 break;
 568         case RST_EXCLUDE:
 569                 ;//Do Nothing
 570                 break;
 571         case RST_UNSET:
 572                 {
 573                         char *default_ifname = stc_default_connection_get_ifname();
 574                         struct nfacct_rule counter;
 575                         stc_s *stc = stc_get_manager();
 576                         if (!stc) {
 577                                 g_free(default_ifname); //LCOV_EXCL_LINE
 578                                 return; //LCOV_EXCL_LINE
 579                         }
 580
 581                         if (!stc->carg) {
 582                                 stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 583                                 if (stc->carg == NULL) { //LCOV_EXCL_LINE
 584                                         g_free(default_ifname); //LCOV_EXCL_LINE
 585                                         return; //LCOV_EXCL_LINE
 586                                 }
 587
 588                                 stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 589                         }
 590
 591                         counter.carg = stc->carg;
 592                         counter.classid = rstn_value->classid;
 593                         counter.intend = NFACCT_BLOCK;
 594                         counter.iftype = rstn_key->iftype;
 595                         g_strlcpy(counter.ifname, default_ifname,
 596                                   MAX_IFACE_LENGTH);
 597                         g_free(default_ifname);
 598
 599                         /* iptables rule */
 600                         __del_iptables_in(&counter);
 601                         __del_iptables_out(&counter);
 602
 603                         /* ip6tables rule */
 604                         __del_ip6tables_in(&counter);
 605                         __del_ip6tables_out(&counter);
 606
 607                         rstn_value->rst_state = STC_RESTRICTION_REMOVED;
 608                         rstn_value->data_limit_reached = FALSE;
 609                 }
 610                 break;
 611         default:
 612                 ;//Do Nothing
 613         }
 614 }
 615
 616 //LCOV_EXCL_START
 617 static gboolean __remove_rstns_foreach_application(gpointer key,
 618                                                    gpointer value,
 619                                                    gpointer data)
 620 {
 621         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
 622         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 623         gchar *app_id = (gchar *)data;
 624
 625         /* rstn rule is not for applications */
 626         if (rstn_key->app_id == NULL)
 627                 goto out;
 628
 629         /* rstn rule is not for this application */
 630         if (g_strcmp0(rstn_key->app_id, app_id) != 0)
 631                 goto out;
 632
 633         /* rstn rule is already removed */
 634         if (rstn_value->rst_state == STC_RESTRICTION_REMOVED)
 635                 goto out;
 636
 637         /* remove restriction from system */
 638         __process_restriction(RST_UNSET, rstn_key, rstn_value, NULL);
 639
 640         __print_rstn(rstn_key, rstn_value);
 641 out:
 642         return FALSE;
 643 }
 644 //LCOV_EXCL_STOP
 645
 646 static void __remove_rstns_for_application(gchar *app_id)
 647 {
 648         g_tree_foreach(g_system->rstns, __remove_rstns_foreach_application,
 649                        app_id);
 650 }
 651
 652 static stc_error_e __application_remove_if_empty(const stc_app_key_s *app_key)
 653 {
 654         stc_error_e ret = STC_ERROR_NONE;
 655         guint pid_count = 0;
 656         stc_app_value_s *lookup;
 657
 658         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
 659
 660         lookup = __application_lookup(g_system->apps, app_key);
 661         if (!lookup) {
 662                 STC_LOGE("app_key not found"); //LCOV_EXCL_LINE
 663                 return STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
 664         }
 665
 666         g_tree_foreach(lookup->processes, __processes_tree_check_empty,
 667                        &pid_count);
 668
 669         if (!pid_count) {
 670                 /* remove nfacct rule for this classid */
 671                 __remove_application_monitor((gpointer) app_key, lookup,
 672                                              stc_get_default_connection());
 673                 __remove_rstns_for_application(app_key->app_id);
 674         }
 675
 676         if (!g_tree_remove(g_system->apps, app_key)) {
 677                 ret = STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
 678                 STC_LOGE("key not found"); //LCOV_EXCL_LINE
 679         }
 680
 681         return ret;
 682 }
 683
 684 static stc_error_e __close_contr_sock(stc_system_s *system)
 685 {
 686         ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
 687
 688         /* close netlink socket for updating kernel counters */
 689         if (system->contr_sock != -1) {
 690                 close(system->contr_sock);
 691                 system->contr_sock = -1;
 692         }
 693
 694         if (system->contr_gsource_id != 0) {
 695                 g_source_remove(system->contr_gsource_id);
 696                 system->contr_gsource_id = 0;
 697         }
 698
 699         return STC_ERROR_NONE;
 700 }
 701
 702 static gboolean __process_contr_reply(GIOChannel *source,
 703                                       GIOCondition condition,
 704                                       gpointer user_data);
 705
 706 //LCOV_EXCL_START
 707 static stc_error_e __close_and_reopen_contr_sock(stc_system_s *system)
 708 {
 709         GIOChannel *gio = NULL;
 710         ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
 711
 712         /* close netlink socket for updating kernel counters */
 713         if (system->contr_sock != -1) {
 714                 close(system->contr_sock);
 715                 system->contr_sock = -1;
 716         }
 717
 718         if (system->contr_gsource_id != 0) {
 719                 g_source_remove(system->contr_gsource_id);
 720                 system->contr_gsource_id = 0;
 721         }
 722
 723         /* create netlink socket for updating kernel counters */
 724         system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
 725         if (system->contr_sock < 0) {
 726                 STC_LOGE("failed to open socket");
 727                 FREE(system);
 728                 return STC_ERROR_FAIL;
 729         }
 730
 731         gio = g_io_channel_unix_new(system->contr_sock);
 732         system->contr_gsource_id =
 733                 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
 734                                (GIOFunc) __process_contr_reply,
 735                                NULL);
 736         g_io_channel_unref(gio);
 737
 738         return STC_ERROR_NONE;
 739 }
 740
 741 static gboolean __rstn_counter_update(stc_rstn_key_s *rstn_key,
 742                                       stc_rstn_value_s *rstn_value,
 743                                       classid_bytes_context_s *context)
 744 {
 745         switch (context->counter->iotype) {
 746         case NFACCT_COUNTER_IN:
 747         case NFACCT_COUNTER_OUT:
 748                 rstn_value->data_counter += context->bytes;
 749
 750                 if (rstn_value->data_counter >= rstn_value->data_warn_limit &&
 751                     rstn_value->warn_limit_crossed_notified == FALSE) {
 752
 753                         gboolean rv;
 754                         char iftype[MAX_INT_LENGTH];
 755                         char byte[MAX_INT_LENGTH];
 756                         stc_s *stc = (stc_s *)stc_get_manager();
 757                         ret_value_msg_if(stc == NULL, FALSE, "failed to get stc data");
 758
 759                         /* emit signal */
 760                         rv = stc_manager_dbus_emit_signal(stc->connection,
 761                                                           STC_DBUS_SERVICE_RESTRICTION_PATH,
 762                                                           STC_DBUS_INTERFACE_RESTRICTION,
 763                                                           "WarnThresholdCrossed",
 764                                                           g_variant_new("(si)", rstn_key->app_id, rstn_key->iftype));
 765                         if (rv == TRUE)
 766                                 rstn_value->warn_limit_crossed_notified = TRUE;
 767
 768                         snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
 769                         snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->data_warn_limit);
 770                         stc_manager_plugin_send_warn_message("warn threshold crossed",
 771                                                            "warning_noti",
 772                                                            rstn_key->app_id,
 773                                                            iftype, byte);
 774                 }
 775
 776                 if (rstn_value->data_counter >= rstn_value->data_limit &&
 777                     rstn_value->rstn_limit_crossed_notified == FALSE) {
 778
 779                         gboolean rv;
 780                         char iftype[MAX_INT_LENGTH];
 781                         char byte[MAX_INT_LENGTH];
 782                         stc_s *stc = (stc_s *)stc_get_manager();
 783                         ret_value_msg_if(stc == NULL, FALSE, "failed to get stc data");
 784
 785                         /* block immediately */
 786                         context->counter->intend = NFACCT_BLOCK;
 787                         __del_iptables_in(context->counter);
 788                         __del_iptables_out(context->counter);
 789                         __add_iptables_in(context->counter);
 790                         __add_iptables_out(context->counter);
 791
 792                         __del_ip6tables_in(context->counter);
 793                         __del_ip6tables_out(context->counter);
 794                         __add_ip6tables_in(context->counter);
 795                         __add_ip6tables_out(context->counter);
 796                         context->counter->intend = NFACCT_COUNTER;
 797
 798                         rstn_value->data_limit_reached = TRUE;
 799
 800                         /* emit signal */
 801                         rv = stc_manager_dbus_emit_signal(stc->connection,
 802                                                           STC_DBUS_SERVICE_RESTRICTION_PATH,
 803                                                           STC_DBUS_INTERFACE_RESTRICTION,
 804                                                           "RestrictionThresholdCrossed",
 805                                                           g_variant_new("(si)", rstn_key->app_id, rstn_key->iftype));
 806                         if (rv == TRUE)
 807                                 rstn_value->rstn_limit_crossed_notified = TRUE;
 808
 809                         snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
 810                         snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->data_limit);
 811                         stc_manager_plugin_send_restriction_message("restriction threshold crossed",
 812                                                                   "restriction_noti", rstn_key->app_id,
 813                                                                   iftype, byte);
 814                 }
 815
 816                 g_system->rstns_tree_updated = TRUE;
 817                 __print_rstn(rstn_key, rstn_value);
 818                 break;
 819         default:
 820                 STC_LOGE("unknown iotype");
 821         }
 822
 823         return FALSE;
 824 }
 825
 826 static gboolean __interface_rstn_counter_update(stc_rstn_key_s *rstn_key,
 827                                                 stc_rstn_value_s *rstn_value,
 828                                                 classid_bytes_context_s *context)
 829 {
 830         if ((rstn_value->classid == STC_TOTAL_DATACALL_CLASSID &&
 831              context->counter->iftype == STC_IFACE_DATACALL) ||
 832             (rstn_value->classid == STC_TOTAL_WIFI_CLASSID &&
 833              context->counter->iftype == STC_IFACE_WIFI) ||
 834             (rstn_value->classid == STC_TOTAL_BLUETOOTH_CLASSID &&
 835              context->counter->iftype == STC_IFACE_BLUETOOTH)) {
 836                 context->counter->classid = rstn_value->classid;
 837                 return __rstn_counter_update(rstn_key, rstn_value, context);
 838         }
 839
 840         return FALSE;
 841 }
 842
 843 static gboolean __rstn_counter_update_foreach_classid(gpointer key,
 844                                                       gpointer value,
 845                                                       gpointer data)
 846 {
 847         gboolean rv = FALSE;
 848         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
 849         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 850         classid_bytes_context_s *context = (classid_bytes_context_s *)data;
 851         uint32_t classid;
 852
 853         if (context->counter->intend != NFACCT_COUNTER)
 854                 goto try_next_callback;
 855
 856         if (rstn_value->data_limit_reached == TRUE) {
 857                 context->data_limit_reached = TRUE; //LCOV_EXCL_LINE
 858                 goto try_next_callback; //LCOV_EXCL_LINE
 859         }
 860
 861         classid = context->counter->classid;
 862         rv = __interface_rstn_counter_update(rstn_key, rstn_value, context);
 863
 864         context->counter->classid = classid;
 865         if (rstn_value->classid != context->counter->classid)
 866                 goto try_next_callback;
 867
 868         rv = __rstn_counter_update(rstn_key, rstn_value, context);
 869
 870 try_next_callback:
 871         return rv;
 872 }
 873 //LCOV_EXCL_STOP
 874
 875 static gboolean __update_app_statistics(gpointer key, gpointer value,
 876                                         gpointer data)
 877 {
 878         stc_app_key_s *app_key = (stc_app_key_s *)key;
 879         stc_app_value_s *app_value = (stc_app_value_s *)value;
 880         time_t *touch_time = (time_t *)data;
 881         stc_db_classid_iftype_key stat_key;
 882         stc_db_app_stats stat;
 883         default_connection_s *default_connection = stc_get_default_connection();
 884
 885         memset(&stat_key, 0, sizeof(stc_db_classid_iftype_key));
 886         memset(&stat, 0 , sizeof(stc_db_app_stats));
 887
 888         stat_key.classid = app_value->classid;
 889         stat_key.iftype = default_connection->type;
 890
 891         if (STC_IFACE_DATACALL == stat_key.iftype)
 892                 stat_key.subscriber_id = g_strdup(default_connection->subscriber_id);
 893         else
 894                 stat_key.subscriber_id = g_strdup("none_subid"); //LCOV_EXCL_LINE
 895
 896         g_strlcpy(stat_key.ifname, default_connection->ifname,
 897                   MAX_IFACE_LENGTH);
 898
 899         stat.app_id = g_strdup(app_key->app_id);
 900         stat.snd_count = app_value->counter.out_bytes;
 901         stat.rcv_count = app_value->counter.in_bytes;
 902         stat.is_roaming = default_connection->roaming;
 903
 904         if (strstr(stat.app_id, "_BACKGROUND")) {
 905                 stat.ground = STC_APP_STATE_BACKGROUND;
 906         } else {
 907                 if (strstr(stat.app_id, "TOTAL_"))
 908                         stat.ground = STC_APP_STATE_UNKNOWN;
 909                 else
 910                         stat.ground = STC_APP_STATE_FOREGROUND;
 911         }
 912
 913         table_statistics_insert(&stat_key, &stat, *touch_time);
 914
 915         app_value->counter.out_bytes = 0;
 916         app_value->counter.in_bytes = 0;
 917
 918         FREE(stat.app_id);
 919         FREE(stat_key.subscriber_id);
 920
 921         return FALSE;
 922 }
 923
 924 static gboolean __flush_apps_stats_to_database(gpointer user_data)
 925 {
 926         time_t current_time = time(0);
 927
 928         if (g_system->apps_tree_updated == FALSE)
 929                 return G_SOURCE_REMOVE;
 930
 931         g_system->apps_tree_updated = FALSE;
 932
 933         if (g_system->apps)
 934                 g_tree_foreach(g_system->apps,
 935                                __update_app_statistics,
 936                                &current_time);
 937
 938         STC_LOGI("Flushed app stats to database");
 939         return G_SOURCE_REMOVE;
 940 }
 941
 942 //LCOV_EXCL_START
 943 static gboolean __update_counter_statistics(gpointer key, gpointer value,
 944                                             gpointer data)
 945 {
 946         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 947         table_counters_info info = {
 948                 .restriction_id = rstn_value->restriction_id,
 949                 .data_counter = rstn_value->data_counter
 950         };
 951
 952         table_counters_update_counters(&info);
 953
 954         return FALSE;
 955 }
 956
 957 static gboolean __flush_rstns_counter_to_database(gpointer user_data)
 958 {
 959         time_t current_time = time(0);
 960
 961         if (g_system->rstns_tree_updated == FALSE)
 962                 return G_SOURCE_REMOVE;
 963
 964         g_system->rstns_tree_updated = FALSE;
 965
 966         if (g_system->rstns)
 967                 g_tree_foreach(g_system->rstns,
 968                                __update_counter_statistics,
 969                                &current_time);
 970
 971         STC_LOGI("Flushed rstns counters to database");
 972         return G_SOURCE_REMOVE;
 973 }
 974 //LCOV_EXCL_STOP
 975
 976 static void __app_counter_update(stc_app_key_s *app_key,
 977                                  stc_app_value_s *app_value,
 978                                  classid_bytes_context_s *context)
 979 {
 980         switch (context->counter->iotype) {
 981         case NFACCT_COUNTER_IN:
 982                 app_value->data_usage.in_bytes += context->bytes;
 983                 app_value->counter.in_bytes = context->bytes;
 984                 g_system->apps_tree_updated = TRUE;
 985
 986                 if (STC_DEBUG_LOG)
 987                         __apps_tree_foreach_print(app_key, app_value, NULL); //LCOV_EXCL_LINE
 988                 break;
 989         case NFACCT_COUNTER_OUT:
 990                 app_value->data_usage.out_bytes += context->bytes;
 991                 app_value->counter.out_bytes = context->bytes;
 992                 g_system->apps_tree_updated = TRUE;
 993
 994                 if (STC_DEBUG_LOG)
 995                         __apps_tree_foreach_print(app_key, app_value, NULL); //LCOV_EXCL_LINE
 996                 break;
 997         default:
 998                 STC_LOGE("unknown iotype"); //LCOV_EXCL_LINE
 999         }
1000 }
1001
1002 static void __interface_counter_update(stc_app_key_s *app_key,
1003                                        stc_app_value_s *app_value,
1004                                        classid_bytes_context_s *context)
1005 {
1006         if ((app_value->classid == STC_TOTAL_DATACALL_CLASSID &&
1007              context->counter->iftype == STC_IFACE_DATACALL) ||
1008             (app_value->classid == STC_TOTAL_WIFI_CLASSID &&
1009              context->counter->iftype == STC_IFACE_WIFI) ||
1010             (app_value->classid == STC_TOTAL_BLUETOOTH_CLASSID &&
1011              context->counter->iftype == STC_IFACE_BLUETOOTH))
1012                 __app_counter_update(app_key, app_value, context);
1013 }
1014
1015
1016 static gboolean __apps_counter_update_foreach_classid(gpointer key,
1017                                                       gpointer value,
1018                                                       gpointer data)
1019 {
1020         stc_app_key_s *app_key = (stc_app_key_s *)key;
1021         stc_app_value_s *app_value = (stc_app_value_s *)value;
1022         classid_bytes_context_s *context = (classid_bytes_context_s *)data;
1023
1024         if (context->counter->intend != NFACCT_COUNTER)
1025                 goto try_next_callback;
1026
1027         __interface_counter_update(app_key, app_value, context);
1028
1029         if (app_value->classid != context->counter->classid)
1030                 goto try_next_callback;
1031
1032         __app_counter_update(app_key, app_value, context);
1033
1034 try_next_callback:
1035         return FALSE;
1036 }
1037
1038 static void __fill_nfacct_result(char *cnt_name, int64_t bytes,
1039                                  struct counter_arg *carg)
1040 {
1041         struct nfacct_rule counter = {
1042                 .carg = carg,
1043                 .name = {0},
1044                 .ifname = {0},
1045                 0
1046         };
1047
1048         classid_bytes_context_s context = {
1049                 .counter = &counter,
1050                 .bytes = bytes,
1051                 .data_limit_reached = FALSE,
1052         };
1053
1054         if (STC_DEBUG_LOG)
1055                 STC_LOGD("cnt_name %s", cnt_name); //LCOV_EXCL_LINE
1056
1057         if (!recreate_counter_by_name(cnt_name, &counter)) {
1058                 STC_LOGE("Can't parse counter name %s", cnt_name); //LCOV_EXCL_LINE
1059                 return; //LCOV_EXCL_LINE
1060         }
1061
1062         STC_LOGI("classid %lu, iftype %u, iotype %d, intend %d, ifname %s, bytes %lld",
1063                  context.counter->classid, context.counter->iftype,
1064                  context.counter->iotype, context.counter->intend,
1065                  context.counter->ifname, context.bytes);
1066
1067         if (g_system->rstns)
1068                 g_tree_foreach(g_system->rstns,
1069                                __rstn_counter_update_foreach_classid,
1070                                &context);
1071
1072         if (g_system->apps)
1073                 g_tree_foreach(g_system->apps,
1074                                __apps_counter_update_foreach_classid,
1075                                &context);
1076 }
1077
1078 static int __fill_counters(struct rtattr *attr_list[__NFACCT_MAX],
1079                            void *user_data)
1080 {
1081         struct counter_arg *carg = user_data;
1082         char *cnt_name = (char *)RTA_DATA(attr_list[NFACCT_NAME]);
1083         if (carg->initiate) {
1084                 /**
1085                  * TODO: this will be used when daemon starts to update existing
1086                  * counter data if present.
1087                  *
1088                  populate_counters(cnt_name, carg);
1089                  */
1090         } else {
1091                 int64_t *bytes_p =
1092                         (int64_t *)RTA_DATA(attr_list[NFACCT_BYTES]);
1093                 int bytes = be64toh(*bytes_p);
1094                 if (bytes) {
1095                         ++carg->serialized_counters;
1096                         __fill_nfacct_result(cnt_name, bytes, carg);
1097                 }
1098         }
1099
1100         return 0;
1101 }
1102
1103 static int __post_fill_counters(void *user_data)
1104 {
1105         struct counter_arg *carg = user_data;
1106
1107         if (carg->initiate)
1108                 carg->initiate = 0;
1109
1110         return 0;
1111 }
1112
1113 static void __process_network_counter(struct genl *ans,
1114                                       struct counter_arg *carg)
1115 {
1116         struct netlink_serialization_params ser_params = {
1117                 .carg = carg,
1118                 .ans = ans,
1119                 .eval_attr = __fill_counters,
1120                 .post_eval_attr = __post_fill_counters,
1121         };
1122
1123         netlink_serialization_command *netlink =
1124                 netlink_create_command(&ser_params);
1125         if (!netlink) {
1126                 STC_LOGE("Can not create command"); //LCOV_EXCL_LINE
1127                 return; //LCOV_EXCL_LINE
1128         }
1129
1130         netlink->deserialize_answer(&(netlink->params));
1131 }
1132
1133 static gboolean __process_contr_reply(GIOChannel *source,
1134                                       GIOCondition condition,
1135                                       gpointer user_data)
1136 {
1137         int sock = g_io_channel_unix_get_fd(source);
1138         struct genl *ans;
1139         int ret;
1140         stc_s *stc = stc_get_manager();
1141
1142 #ifdef TIZEN_GTESTS
1143         void __gcov_flush(void);
1144         __gcov_flush();
1145 #endif
1146
1147         if ((condition & G_IO_ERR) || (condition & G_IO_HUP) ||
1148             (condition & G_IO_NVAL)) {
1149                 /* G_IO_ERR/G_IO_HUP/G_IO_NVAL received */
1150
1151                 STC_LOGE("Counter socket received G_IO event, closing socket." //LCOV_EXCL_LINE
1152                          "G_IO_ERR [%d], G_IO_HUP [%d], G_IO_NVAL [%s]",
1153                          (condition & G_IO_ERR), (condition & G_IO_HUP),
1154                          (condition & G_IO_NVAL));
1155                 __close_and_reopen_contr_sock(g_system); //LCOV_EXCL_LINE
1156                 return FALSE; //LCOV_EXCL_LINE
1157         }
1158
1159         ans = MALLOC0(struct genl, 1);
1160         if (ans == NULL) {
1161                 STC_LOGE("Failed allocate memory to genl reply message"); //LCOV_EXCL_LINE
1162                 return TRUE; //LCOV_EXCL_LINE
1163         }
1164
1165         if (stc == NULL) {
1166                 STC_LOGE("Can't get stc data"); //LCOV_EXCL_LINE
1167                 goto out; //LCOV_EXCL_LINE
1168         }
1169
1170         ret = read_netlink(sock, ans, sizeof(struct genl));
1171         /* STC_LOGD("Counter data received ret [%d]", ret); */
1172         if (ret == 0)
1173                 goto out;
1174
1175         stc->carg->ans_len = ret;
1176         __process_network_counter(ans, stc->carg);
1177
1178         g_idle_add(__flush_apps_stats_to_database, NULL);
1179         g_idle_add(__flush_rstns_counter_to_database, NULL);
1180 out:
1181
1182         FREE(ans);
1183         return TRUE;
1184 }
1185
1186 static gboolean __update_contr_cb(void *user_data)
1187 {
1188         /* Here we just sent command, answer we receive in another callback */
1189         stc_s *stc = stc_get_manager();
1190         ret_value_msg_if(stc == NULL, STC_ERROR_FAIL, "Can't get stc data");
1191         if (!stc->carg) {
1192                 stc->carg = MALLOC0(counter_arg_s, 1);
1193                 if (stc->carg == NULL)
1194                         return TRUE;  /* we need to continue the timer */
1195
1196                 stc->carg->sock = stc_monitor_get_counter_socket();
1197         }
1198
1199 #ifdef TIZEN_GTESTS
1200         void __gcov_flush(void);
1201         __gcov_flush();
1202 #endif
1203
1204         /* STC_LOGD("Get all counters"); */
1205         nfacct_send_get_all(stc->carg);
1206
1207         /* we need to continue the timer */
1208         return TRUE;
1209 }
1210
1211 //LCOV_EXCL_START
1212 static gboolean __rstn_tree_foreach_print(gpointer key, gpointer value,
1213                                           gpointer data)
1214 {
1215         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1216         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1217
1218         __print_rstn(rstn_key, rstn_value);
1219         return FALSE;
1220 }
1221
1222 static void __rstn_tree_printall(void)
1223 {
1224         g_tree_foreach(g_system->rstns, __rstn_tree_foreach_print, NULL);
1225 }
1226 //LCOV_EXCL_END
1227
1228 static stc_rstn_value_s * __rstn_lookup(GTree *rstns_tree,
1229                                         const stc_rstn_key_s *key)
1230 {
1231         stc_rstn_value_s *lookup;
1232
1233         ret_value_msg_if(rstns_tree == NULL, NULL, "rstns_tree is null!");
1234
1235         lookup = g_tree_lookup(rstns_tree, key);
1236
1237         return lookup;
1238 }
1239
1240 static gboolean __remove_restriction(gpointer key, gpointer value,
1241                                      gpointer data)
1242 {
1243         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1244         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1245
1246         __process_restriction(RST_UNSET, rstn_key, rstn_value, data);
1247         __print_rstn(rstn_key, rstn_value);
1248         return FALSE;
1249 }
1250
1251 static gboolean __add_restriction_debug(gpointer key, gpointer value,
1252                                         gpointer data)
1253 {
1254         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1255         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1256
1257         /* rstn rule is activated */
1258         if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1259                 return FALSE;
1260
1261         if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1262                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1263         else
1264                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1265
1266         __print_rstn(rstn_key, rstn_value);
1267
1268         return FALSE;
1269 }
1270
1271 //LCOV_EXCL_START
1272 static gboolean __add_restriction(gpointer key, gpointer value, gpointer data)
1273 {
1274         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1275         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1276
1277         /* rstn rule is activated */
1278         if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1279                 return FALSE;
1280
1281         if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1282                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1283         else
1284                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1285
1286         return FALSE;
1287 }
1288 //LCOV_EXCL_STOP
1289
1290 static stc_error_e __rstn_tree_remove(stc_rstn_key_s *key)
1291 {
1292         stc_rstn_value_s *lookup_value;
1293
1294         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1295
1296         lookup_value = __rstn_lookup(g_system->rstns, key);
1297         if (!lookup_value) {
1298                 STC_LOGE("key not found"); //LCOV_EXCL_LINE
1299                 return STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
1300         }
1301
1302         __remove_restriction(key, lookup_value, NULL);
1303
1304         /* remove counter also */
1305         table_counters_delete(lookup_value->restriction_id);
1306
1307         if (!g_tree_remove(g_system->rstns, key)) {
1308                 STC_LOGD("key not found"); //LCOV_EXCL_LINE
1309                 return STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
1310         }
1311
1312         return STC_ERROR_NONE;
1313 }
1314
1315 static stc_error_e __rstn_tree_add(stc_rstn_key_s *key,
1316                                    stc_rstn_value_s *value, gboolean debug)
1317 {
1318         stc_rstn_value_s *rstn_value;
1319
1320         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1321
1322         rstn_value = __rstn_lookup(g_system->rstns, key);
1323         if (!rstn_value) {
1324                 stc_rstn_key_s *rstn_key = MALLOC0(stc_rstn_key_s, 1);
1325                 if (!rstn_key) {
1326                         STC_LOGE("rstn_key allocation failed"); //LCOV_EXCL_LINE
1327                         return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1328                 }
1329
1330                 rstn_value = MALLOC0(stc_rstn_value_s, 1);
1331                 if (!rstn_value) {
1332                         STC_LOGE("rstn_value allocation failed"); //LCOV_EXCL_LINE
1333                         FREE(rstn_key); //LCOV_EXCL_LINE
1334                         return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1335                 }
1336
1337                 rstn_key->app_id = g_strdup(key->app_id);
1338                 rstn_key->ifname = g_strdup(key->ifname);
1339                 rstn_key->subscriber_id = g_strdup(key->subscriber_id);
1340                 rstn_key->iftype = key->iftype;
1341                 rstn_key->roaming = key->roaming;
1342
1343                 g_tree_insert(g_system->rstns, rstn_key, rstn_value);
1344         }
1345
1346         rstn_value->restriction_id = value->restriction_id;
1347         rstn_value->rst_state = value->rst_state;
1348         rstn_value->classid = value->classid;
1349         rstn_value->data_limit = value->data_limit;
1350         rstn_value->data_warn_limit = value->data_warn_limit;
1351         rstn_value->data_counter = 0;
1352         rstn_value->warn_limit_crossed_notified = FALSE;
1353         rstn_value->rstn_limit_crossed_notified = FALSE;
1354
1355         if (debug == TRUE)
1356                 __add_restriction_debug(key, rstn_value, NULL);
1357         else
1358                 __add_restriction(key, rstn_value, NULL);
1359
1360         return STC_ERROR_NONE;
1361 }
1362
1363 //LCOV_EXCL_START
1364 static stc_cb_ret_e __insert_restriction_cb(const table_restrictions_info *info,
1365                                             void *user_data)
1366 {
1367         stc_cb_ret_e ret = STC_CONTINUE;
1368
1369         stc_rstn_key_s key;
1370         stc_rstn_value_s value;
1371
1372         memset(&key, 0, sizeof(stc_rstn_key_s));
1373         memset(&value, 0, sizeof(stc_rstn_value_s));
1374
1375         key.app_id = g_strdup(info->app_id);
1376         key.ifname = g_strdup(info->ifname);
1377         key.subscriber_id = g_strdup(info->subscriber_id);
1378         key.iftype = info->iftype;
1379         key.roaming = info->roaming;
1380
1381         value.rst_state = info->rst_state;
1382         value.restriction_id = info->restriction_id;
1383
1384         if (value.rst_state != STC_RESTRICTION_EXCLUDED && info->app_id)
1385                 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1386         else
1387                 value.classid = STC_UNKNOWN_CLASSID;
1388
1389         value.data_limit = info->data_limit;
1390         value.data_warn_limit = info->data_warn_limit;
1391
1392         if (__rstn_tree_add(&key, &value, FALSE) != STC_ERROR_NONE)
1393                 ret = STC_CANCEL;
1394
1395         FREE(key.app_id);
1396         FREE(key.ifname);
1397         FREE(key.subscriber_id);
1398         return ret;
1399 }
1400
1401 static void __fill_restritions_list(void)
1402 {
1403         table_restrictions_foreach(__insert_restriction_cb, NULL);
1404
1405         if (STC_DEBUG_LOG)
1406                 __rstn_tree_printall();
1407 }
1408
1409 static gboolean __add_rstn_foreach_application(gpointer key,
1410                                                gpointer value,
1411                                                gpointer data)
1412 {
1413         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1414         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1415         gchar *app_id = (gchar *)data;
1416
1417         /* rstn rule is not for applications */
1418         if (rstn_key->app_id == NULL)
1419                 goto out;
1420
1421         /* rstn rule is not for this application */
1422         if (g_strcmp0(rstn_key->app_id, app_id) != 0)
1423                 goto out;
1424
1425         /* rstn rule is already applied */
1426         if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1427                 goto out;
1428
1429         /* add restriction to system */
1430         if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1431                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, NULL);
1432         else
1433                 __process_restriction(RST_SET, rstn_key, rstn_value, NULL);
1434
1435         __print_rstn(rstn_key, rstn_value);
1436 out:
1437         return FALSE;
1438 }
1439 //LCOV_EXCL_STOP
1440
1441 static void __add_rstns_for_application(gchar *app_id)
1442 {
1443         g_tree_foreach(g_system->rstns, __add_rstn_foreach_application,
1444                        app_id);
1445 }
1446
1447 static void __add_application_by_interface(const char *app_id)
1448 {
1449         stc_app_key_s app_key;
1450         stc_app_value_s app_value;
1451
1452         if (app_id == NULL)
1453                 return; //LCOV_EXCL_LINE
1454
1455         memset(&app_key, 0, sizeof(stc_app_key_s));
1456         memset(&app_value, 0, sizeof(stc_app_value_s));
1457
1458         app_key.pkg_id = g_strdup(app_id);
1459         app_key.app_id = g_strdup(app_id);
1460
1461         app_value.type = STC_APP_TYPE_NONE;
1462         app_value.processes = NULL;
1463         app_value.counter.in_bytes = 0;
1464         app_value.counter.out_bytes = 0;
1465
1466         stc_monitor_application_add(app_key, app_value);
1467
1468         FREE(app_key.pkg_id);
1469         FREE(app_key.app_id);
1470 }
1471
1472 static int __vconf_get_int(const char *key, int *value)
1473 {
1474         int ret = 0;
1475
1476         ret = vconf_get_int(key, value);
1477         if (ret != VCONF_OK) {
1478                 STC_LOGE("Failed to get vconfkey [%s] value", key); //LCOV_EXCL_LINE
1479                 return -1; //LCOV_EXCL_LINE
1480         }
1481
1482         return 0;
1483 }
1484
1485 //LCOV_EXCL_START
1486 static int __vconf_set_int(const char *key, int value)
1487 {
1488         int ret = 0;
1489
1490         ret = vconf_set_int(key, value);
1491         if (ret != VCONF_OK) {
1492                 STC_LOGE("Failed to set vconfkey [%s] value", key); //LCOV_EXCL_LINE
1493                 return -1; //LCOV_EXCL_LINE
1494         }
1495
1496         return 0;
1497 }
1498
1499 static guint __get_background_state(void)
1500 {
1501         return g_system->background_state;;
1502 }
1503
1504 static void __set_background_state(guint state)
1505 {
1506         g_system->background_state = state;
1507 }
1508
1509 static gboolean __processes_tree_foreach_background(gpointer key,
1510                                                     gpointer value,
1511                                                     gpointer data)
1512 {
1513         stc_process_key_s *proc_key = (stc_process_key_s *)key;
1514         stc_app_key_s *app_key = (stc_app_key_s *)data;
1515
1516         if (g_system->background_state)
1517                 place_pids_to_net_cgroup(proc_key->pid, STC_BACKGROUND_APP_ID);
1518         else
1519                 place_pids_to_net_cgroup(proc_key->pid, app_key->app_id);
1520
1521         return FALSE;
1522 }
1523
1524 static gboolean __apps_tree_foreach_background(gpointer key, gpointer value,
1525                                         gpointer data)
1526 {
1527         stc_app_key_s *app_key = (stc_app_key_s *)key;
1528         stc_app_value_s *app_value = (stc_app_value_s *)value;
1529
1530         if (strstr(app_key->app_id, STC_BACKGROUND_APP_SUFFIX))
1531                 g_tree_foreach(app_value->processes,
1532                                __processes_tree_foreach_background, app_key);
1533
1534         return FALSE;
1535 }
1536
1537 static stc_error_e __process_update_background(void)
1538 {
1539         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1540
1541         g_tree_foreach(g_system->apps, __apps_tree_foreach_background, NULL);
1542
1543         return STC_ERROR_NONE;
1544 }
1545 //LCOV_EXCL_STOP
1546
1547 static void __fill_exceptions_list(void)
1548 {
1549         stc_manager_plugin_fill_exception_list();
1550 }
1551
1552 stc_error_e stc_monitor_init(void)
1553 {
1554         stc_system_s *system = MALLOC0(stc_system_s, 1);
1555         GIOChannel *gio = NULL;
1556
1557         ret_value_msg_if(system == NULL, STC_ERROR_OUT_OF_MEMORY, "stc_system_s malloc fail!");
1558
1559         /* initializing current classid */
1560         init_current_classid();
1561
1562         /* initializing cgroups */
1563         cgroup_init();
1564
1565         /* creating monitored application tree */
1566         system->apps = g_tree_new_full(__apps_tree_key_compare, NULL,
1567                                        __apps_tree_key_free,
1568                                        __apps_tree_value_free);
1569
1570         system->rstns = g_tree_new_full(__rstns_tree_key_compare, NULL,
1571                                         __rstns_tree_key_free,
1572                                         __rstns_tree_value_free);
1573
1574         /* create netlink socket for updating kernel counters */
1575         system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
1576         if (system->contr_sock < 0) {
1577                 STC_LOGE("failed to open socket"); //LCOV_EXCL_LINE
1578                 FREE(system); //LCOV_EXCL_LINE
1579                 return STC_ERROR_FAIL; //LCOV_EXCL_LINE
1580         }
1581
1582         gio = g_io_channel_unix_new(system->contr_sock);
1583         system->contr_gsource_id =
1584                 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
1585                                (GIOFunc) __process_contr_reply,
1586                                NULL);
1587         g_io_channel_unref(gio);
1588
1589         g_system = system;
1590
1591         __add_application_by_interface(STC_TOTAL_DATACALL);
1592         __add_application_by_interface(STC_TOTAL_WIFI);
1593         __add_application_by_interface(STC_TOTAL_BLUETOOTH);
1594         __add_application_by_interface(STC_TOTAL_IPV4);
1595         __add_application_by_interface(STC_TOTAL_IPV6);
1596
1597         /* creating restriction rules tree */
1598         __update_contr_cb(NULL);
1599
1600         /* registering periodic kernel counters update callback */
1601         g_system->contr_timer_id = g_timeout_add_seconds(CONTR_TIMER_INTERVAL,
1602                                                          __update_contr_cb,
1603                                                          NULL);
1604         if (g_system->contr_timer_id == 0) {
1605                 STC_LOGE("Failed to register kernel counters update timer"); //LCOV_EXCL_LINE
1606                 __close_contr_sock(g_system); //LCOV_EXCL_LINE
1607                 return STC_ERROR_FAIL; //LCOV_EXCL_LINE
1608         }
1609
1610         __vconf_get_int(VCONFKEY_STC_BACKGROUND_STATE,
1611                         (int *)&g_system->background_state);
1612
1613         __fill_exceptions_list();
1614         __fill_restritions_list();
1615
1616         return STC_ERROR_NONE;
1617 }
1618
1619 stc_error_e stc_monitor_deinit(void)
1620 {
1621         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1622
1623         /* close netlink socket for updating kernel counters */
1624         __close_contr_sock(g_system);
1625
1626         /* remove kernel counters update timer */
1627         if (g_system->contr_timer_id > 0) {
1628                 g_source_remove(g_system->contr_timer_id);
1629                 g_system->contr_timer_id = 0;
1630         }
1631
1632         /* destroy monitored application tree */
1633         g_tree_destroy(g_system->apps);
1634         g_system->apps = NULL;
1635
1636         /* destroy restriction rules tree */
1637         g_tree_destroy(g_system->rstns);
1638         g_system->rstns = NULL;
1639
1640         FREE(g_system);
1641
1642         return STC_ERROR_NONE;
1643 }
1644
1645 stc_error_e stc_monitor_application_add(const stc_app_key_s app_key,
1646                                         const stc_app_value_s app_value)
1647 {
1648         stc_error_e ret = STC_ERROR_NONE;
1649         stc_app_key_s *key;
1650         stc_app_value_s *value;
1651         stc_app_value_s *lookup;
1652
1653         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1654
1655         lookup = __application_lookup(g_system->apps, &app_key);
1656         if (lookup) {
1657                 STC_LOGD("app_key already present"); //LCOV_EXCL_LINE
1658                 return STC_ERROR_NONE; //LCOV_EXCL_LINE
1659         }
1660
1661         key = MALLOC0(stc_app_key_s, 1);
1662         if (!key) {
1663                 STC_LOGE("key allocation failed"); //LCOV_EXCL_LINE
1664                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1665         }
1666
1667         value = MALLOC0(stc_app_value_s, 1);
1668         if (!value) {
1669                 STC_LOGE("value allocation failed"); //LCOV_EXCL_LINE
1670                 FREE(key); //LCOV_EXCL_LINE
1671                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1672         }
1673
1674         key->app_id = g_strdup(app_key.app_id);
1675         key->pkg_id = g_strdup(app_key.pkg_id);
1676
1677         value->type = app_value.type;
1678         value->data_usage.in_bytes = app_value.data_usage.in_bytes;
1679         value->data_usage.out_bytes = app_value.data_usage.out_bytes;
1680
1681         value->processes = g_tree_new_full(__processes_tree_key_compare, NULL,
1682                                            __processes_tree_key_free,
1683                                            __processes_tree_value_free);
1684
1685         /* create cgroup and update classid */
1686         value->classid = get_classid_by_app_id(app_key.app_id, TRUE);
1687
1688         g_tree_insert(g_system->apps, key, value);
1689
1690         /* add nfacct rule for this classid */
1691         __add_application_monitor(key, value, stc_get_default_connection());
1692         __add_rstns_for_application(app_key.app_id);
1693
1694         return ret;
1695 }
1696
1697 stc_error_e stc_monitor_process_add(const stc_app_key_s app_key,
1698                                     const stc_process_key_s proc_key,
1699                                     const stc_process_value_s proc_value)
1700 {
1701         stc_error_e ret = STC_ERROR_NONE;
1702         stc_app_value_s *app_lookup;
1703         stc_process_key_s *key;
1704         stc_process_value_s *value;
1705         stc_process_value_s *proc_lookup;
1706
1707         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1708
1709         app_lookup = __application_lookup(g_system->apps, &app_key);
1710         if (!app_lookup) {
1711                 STC_LOGD("app_key not found"); //LCOV_EXCL_LINE
1712                 return STC_ERROR_FAIL; //LCOV_EXCL_LINE
1713         }
1714
1715         proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
1716         if (proc_lookup) {
1717                 STC_LOGD("proc_key already present"); //LCOV_EXCL_LINE
1718                 return STC_ERROR_NONE; //LCOV_EXCL_LINE
1719         }
1720
1721         key = MALLOC0(stc_process_key_s, 1);
1722         if (!key) {
1723                 STC_LOGE("key allocation failed"); //LCOV_EXCL_LINE
1724                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1725         }
1726
1727         value = MALLOC0(stc_process_value_s, 1);
1728         if (!value) {
1729                 STC_LOGE("value allocation failed"); //LCOV_EXCL_LINE
1730                 FREE(key); //LCOV_EXCL_LINE
1731                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1732         }
1733
1734         key->pid = proc_key.pid;
1735
1736         value->ground = proc_value.ground;
1737
1738         g_tree_insert(app_lookup->processes, key, value);
1739
1740         /* add pid to application cgroup */
1741         place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
1742
1743         if (STC_DEBUG_LOG)
1744                 __apps_tree_printall(); //LCOV_EXCL_LINE
1745
1746         return ret;
1747 }
1748
1749 stc_error_e stc_monitor_process_remove(pid_t pid)
1750 {
1751         stc_error_e ret = STC_ERROR_NONE;
1752         stc_process_key_s proc_key = {
1753                 .pid = pid
1754         };
1755
1756         remove_pid_context_s context = {
1757                 .app_key = NULL,
1758                 .proc_key = &proc_key,
1759                 .entry_removed = FALSE,
1760         };
1761
1762         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1763
1764         g_tree_foreach(g_system->apps, __apps_tree_foreach_remove_pid,
1765                        &context);
1766
1767         if (context.entry_removed)
1768                 __application_remove_if_empty(context.app_key);
1769
1770         if (STC_DEBUG_LOG)
1771                 __apps_tree_printall(); //LCOV_EXCL_LINE
1772
1773         return ret;
1774 }
1775
1776 //LCOV_EXCL_START
1777 stc_error_e stc_monitor_process_update_ground(const stc_app_key_s app_key,
1778                                               const stc_process_key_s proc_key,
1779                                               stc_app_state_e ground)
1780 {
1781         stc_error_e ret = STC_ERROR_NONE;
1782         stc_app_value_s *app_lookup;
1783         stc_process_value_s *proc_lookup;
1784
1785         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1786
1787         app_lookup = __application_lookup(g_system->apps, &app_key);
1788         if (!app_lookup) {
1789                 STC_LOGD("app_key not found");
1790                 return STC_ERROR_FAIL;
1791         }
1792
1793         proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
1794         if (!proc_lookup) {
1795                 STC_LOGD("proc_key not found");
1796                 return STC_ERROR_FAIL;
1797         }
1798
1799         if (proc_lookup->ground != ground)
1800                 proc_lookup->ground = ground;
1801
1802         if (ground == STC_APP_STATE_BACKGROUND && __get_background_state())
1803                 place_pids_to_net_cgroup(proc_key.pid, STC_BACKGROUND_APP_ID);
1804         else
1805                 place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
1806
1807         return ret;
1808 }
1809 //LCOV_EXCL_STOP
1810
1811 void stc_monitor_update_rstn_by_default_connection(void *data)
1812 {
1813         static default_connection_s old_connection;
1814         default_connection_s *new_connection = (default_connection_s *)data;
1815
1816         if (old_connection.path != NULL) {
1817                 //LCOV_EXCL_START
1818                 if (g_system->apps)
1819                         g_tree_foreach(g_system->apps,
1820                                        __remove_application_monitor,
1821                                        (gpointer)&old_connection);
1822
1823                 if (g_system->rstns)
1824                         g_tree_foreach(g_system->rstns,
1825                                        __remove_restriction,
1826                                        (gpointer)&old_connection);
1827
1828                 iptables_flush_chains();
1829                 //LCOV_EXCL_STOP
1830         }
1831
1832         FREE(old_connection.path);
1833         FREE(old_connection.ifname);
1834         old_connection.type = 0;
1835         old_connection.roaming = 0;
1836
1837         if (new_connection != NULL && new_connection->path != NULL) {
1838                 if (g_system->apps)
1839                         g_tree_foreach(g_system->apps,
1840                                        __add_application_monitor,
1841                                        (gpointer)new_connection);
1842
1843                 if (g_system->rstns)
1844                         g_tree_foreach(g_system->rstns, __add_restriction,
1845                                        NULL);
1846
1847                 old_connection.path = g_strdup(new_connection->path);
1848                 old_connection.ifname = g_strdup(new_connection->ifname);
1849                 old_connection.type = new_connection->type;
1850                 old_connection.roaming = new_connection->roaming;
1851         }
1852 }
1853
1854 stc_error_e stc_monitor_rstns_tree_add(const table_restrictions_info *info)
1855 {
1856         stc_error_e ret;
1857
1858         stc_rstn_key_s key;
1859         stc_rstn_value_s value;
1860
1861         memset(&key, 0, sizeof(stc_rstn_key_s));
1862         memset(&value, 0, sizeof(stc_rstn_value_s));
1863
1864         key.app_id = g_strdup(info->app_id);
1865         key.ifname = g_strdup(info->ifname);
1866         key.subscriber_id = g_strdup(info->subscriber_id);
1867         key.iftype = info->iftype;
1868         key.roaming = info->roaming;
1869
1870         value.rst_state = info->rst_state;
1871         value.restriction_id = info->restriction_id;
1872
1873         if (value.rst_state > STC_RESTRICTION_UNKNOWN &&
1874                 value.rst_state < STC_RESTRICTION_LAST_ELEM &&
1875                 info->app_id)
1876                 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1877         else
1878                 value.classid = STC_UNKNOWN_CLASSID;
1879
1880         if (value.classid == STC_BACKGROUND_APP_CLASSID) {
1881                 __set_background_state(TRUE); //LCOV_EXCL_LINE
1882                 __vconf_set_int(VCONFKEY_STC_BACKGROUND_STATE, g_system->background_state); //LCOV_EXCL_LINE
1883                 __process_update_background(); //LCOV_EXCL_LINE
1884         }
1885
1886         value.data_limit = info->data_limit;
1887         value.data_warn_limit = info->data_warn_limit;
1888
1889         ret = __rstn_tree_add(&key, &value, TRUE);
1890
1891         FREE(key.app_id);
1892         FREE(key.ifname);
1893         FREE(key.subscriber_id);
1894         return ret;
1895 }
1896
1897 stc_error_e stc_monitor_rstns_tree_remove(const table_restrictions_info *info)
1898 {
1899         stc_error_e ret;
1900
1901         stc_rstn_key_s key = {
1902                 .app_id = g_strdup(info->app_id),
1903                 .ifname = g_strdup(info->ifname),
1904                 .subscriber_id = g_strdup(info->subscriber_id),
1905                 .iftype = info->iftype,
1906                 .roaming = info->roaming,
1907         };
1908
1909         if (!strcmp(key.app_id, STC_BACKGROUND_APP_ID)) {
1910                 __set_background_state(FALSE); //LCOV_EXCL_LINE
1911                 __vconf_set_int(VCONFKEY_STC_BACKGROUND_STATE, g_system->background_state); //LCOV_EXCL_LINE
1912                 __process_update_background(); //LCOV_EXCL_LINE
1913         }
1914
1915         ret = __rstn_tree_remove(&key);
1916
1917         FREE(key.app_id);
1918         FREE(key.ifname);
1919         FREE(key.subscriber_id);
1920         return ret;
1921 }
1922
1923 stc_error_e stc_monitor_check_excn_by_cmdline(char *cmdline)
1924 {
1925         return stc_manager_plugin_check_exception_by_cmdline(cmdline);
1926 }
1927
1928 int stc_monitor_get_counter_socket(void)
1929 {
1930         return g_system->contr_sock;
1931 }