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-time.h"
  32 #include "stc-manager-plugin-appstatus.h"
  33 #include "stc-manager-plugin-exception.h"
  34
  35 #define GRANULARITY 10
  36 #define MAX_INT_LENGTH 128
  37 #define VCONFKEY_STC_BACKGROUND_STATE "db/stc/background_state"
  38
  39 typedef struct {
  40         time_t now;
  41         time_t month_start_ts;
  42         time_t week_start_ts;
  43         time_t day_start_ts;
  44         int is_updated;
  45 } reset_time_limits_context_s;
  46
  47 typedef struct {
  48         stc_app_key_s *app_key;
  49         stc_process_key_s *proc_key;
  50         gboolean entry_removed;
  51 } remove_pid_context_s;
  52
  53 typedef struct {
  54         struct nfacct_rule *counter;
  55         int64_t bytes;
  56         gboolean data_limit_exceeded;
  57 } classid_bytes_context_s;
  58
  59 static stc_system_s *g_system = NULL;
  60
  61 static nfacct_rule_jump __get_jump_by_intend(struct nfacct_rule *counter)
  62 {
  63         if (counter->intend == NFACCT_WARN)
  64                 return NFACCT_JUMP_ACCEPT;
  65         else if (counter->intend == NFACCT_BLOCK)
  66                 return NFACCT_JUMP_REJECT;
  67         else if (counter->intend == NFACCT_ALLOW)
  68                 return NFACCT_JUMP_ACCEPT;
  69
  70         return NFACCT_JUMP_UNKNOWN;
  71 }
  72
  73 static stc_error_e __add_iptables_in(struct nfacct_rule *counter)
  74 {
  75         if (counter == NULL)
  76                 return STC_ERROR_INVALID_PARAMETER;
  77
  78         counter->action = NFACCT_ACTION_INSERT;
  79         counter->iotype = NFACCT_COUNTER_IN;
  80         counter->jump = __get_jump_by_intend(counter);
  81         counter->iptype = NFACCT_TYPE_IPV4;
  82         counter->send_limit = 0;
  83         counter->rcv_limit = 0;
  84
  85         return produce_net_rule(counter);
  86 }
  87
  88 static stc_error_e __add_iptables_out(struct nfacct_rule *counter)
  89 {
  90         if (counter == NULL)
  91                 return STC_ERROR_INVALID_PARAMETER;
  92
  93         counter->action = NFACCT_ACTION_INSERT;
  94         counter->iotype = NFACCT_COUNTER_OUT;
  95         counter->jump = __get_jump_by_intend(counter);
  96         counter->iptype = NFACCT_TYPE_IPV4;
  97         counter->send_limit = 0;
  98         counter->rcv_limit = 0;
  99
 100         return produce_net_rule(counter);
 101 }
 102
 103 static stc_error_e __del_iptables_in(struct nfacct_rule *counter)
 104 {
 105         if (counter == NULL)
 106                 return STC_ERROR_INVALID_PARAMETER;
 107
 108         counter->action = NFACCT_ACTION_DELETE;
 109         counter->iotype = NFACCT_COUNTER_IN;
 110         counter->jump = __get_jump_by_intend(counter);
 111         counter->iptype = NFACCT_TYPE_IPV4;
 112         counter->send_limit = 0;
 113         counter->rcv_limit = 0;
 114
 115         return produce_net_rule(counter);
 116 }
 117
 118 static stc_error_e __del_iptables_out(struct nfacct_rule *counter)
 119 {
 120         if (counter == NULL)
 121                 return STC_ERROR_INVALID_PARAMETER;
 122
 123         counter->action = NFACCT_ACTION_DELETE;
 124         counter->iotype = NFACCT_COUNTER_OUT;
 125         counter->jump = __get_jump_by_intend(counter);
 126         counter->iptype = NFACCT_TYPE_IPV4;
 127         counter->send_limit = 0;
 128         counter->rcv_limit = 0;
 129
 130         return produce_net_rule(counter);
 131 }
 132
 133 static stc_error_e __add_ip6tables_in(struct nfacct_rule *counter)
 134 {
 135         if (counter == NULL)
 136                 return STC_ERROR_INVALID_PARAMETER;
 137
 138         counter->action = NFACCT_ACTION_INSERT;
 139         counter->iotype = NFACCT_COUNTER_IN;
 140         counter->jump = __get_jump_by_intend(counter);
 141         counter->iptype = NFACCT_TYPE_IPV6;
 142         counter->send_limit = 0;
 143         counter->rcv_limit = 0;
 144
 145         return produce_net_rule(counter);
 146 }
 147
 148 static stc_error_e __add_ip6tables_out(struct nfacct_rule *counter)
 149 {
 150         if (counter == NULL)
 151                 return STC_ERROR_INVALID_PARAMETER;
 152
 153         counter->action = NFACCT_ACTION_INSERT;
 154         counter->iotype = NFACCT_COUNTER_OUT;
 155         counter->jump = __get_jump_by_intend(counter);
 156         counter->iptype = NFACCT_TYPE_IPV6;
 157         counter->send_limit = 0;
 158         counter->rcv_limit = 0;
 159
 160         return produce_net_rule(counter);
 161 }
 162
 163 static stc_error_e __del_ip6tables_in(struct nfacct_rule *counter)
 164 {
 165         if (counter == NULL)
 166                 return STC_ERROR_INVALID_PARAMETER;
 167
 168         counter->action = NFACCT_ACTION_DELETE;
 169         counter->iotype = NFACCT_COUNTER_IN;
 170         counter->jump = __get_jump_by_intend(counter);
 171         counter->iptype = NFACCT_TYPE_IPV6;
 172         counter->send_limit = 0;
 173         counter->rcv_limit = 0;
 174
 175         return produce_net_rule(counter);
 176 }
 177
 178 static stc_error_e __del_ip6tables_out(struct nfacct_rule *counter)
 179 {
 180         if (counter == NULL)
 181                 return STC_ERROR_INVALID_PARAMETER;
 182
 183         counter->action = NFACCT_ACTION_DELETE;
 184         counter->iotype = NFACCT_COUNTER_OUT;
 185         counter->jump = __get_jump_by_intend(counter);
 186         counter->iptype = NFACCT_TYPE_IPV6;
 187         counter->send_limit = 0;
 188         counter->rcv_limit = 0;
 189
 190         return produce_net_rule(counter);
 191 }
 192
 193 static int __processes_tree_key_compare(gconstpointer a, gconstpointer b,
 194                                         gpointer UNUSED user_data)
 195 {
 196         stc_process_key_s *key_a = (stc_process_key_s *)a;
 197         stc_process_key_s *key_b = (stc_process_key_s *)b;
 198
 199         return key_a->pid - key_b->pid;
 200 }
 201
 202 static void __processes_tree_value_free(gpointer data)
 203 {
 204         stc_process_value_s *value = (stc_process_value_s *)data;
 205
 206         FREE(value);
 207 }
 208
 209 static void __processes_tree_key_free(gpointer data)
 210 {
 211         stc_process_key_s *key = (stc_process_key_s *)data;
 212
 213         FREE(key);
 214 }
 215
 216 static int __apps_tree_key_compare(gconstpointer a, gconstpointer b,
 217                                    gpointer UNUSED user_data)
 218 {
 219         stc_app_key_s *key_a = (stc_app_key_s *)a;
 220         stc_app_key_s *key_b = (stc_app_key_s *)b;
 221         gint ret;
 222
 223         ret = g_strcmp0(key_a->pkg_id, key_b->pkg_id);
 224         if (ret)
 225                 return ret;
 226
 227         return g_strcmp0(key_a->app_id, key_b->app_id);
 228 }
 229
 230 static void __apps_tree_value_free(gpointer data)
 231 {
 232         stc_app_value_s *value = (stc_app_value_s *)data;
 233
 234         g_tree_destroy(value->processes);
 235         value->processes = NULL;
 236
 237         FREE(value);
 238 }
 239
 240 static void __apps_tree_key_free(gpointer data)
 241 {
 242         stc_app_key_s *key = (stc_app_key_s *)data;
 243
 244         g_free(key->pkg_id);
 245         g_free(key->app_id);
 246         FREE(key);
 247 }
 248
 249 static int __rstns_tree_key_compare(gconstpointer a, gconstpointer b,
 250                                     gpointer UNUSED user_data)
 251 {
 252         stc_rstn_key_s *key_a = (stc_rstn_key_s *)a;
 253         stc_rstn_key_s *key_b = (stc_rstn_key_s *)b;
 254         int ret;
 255
 256         ret = g_strcmp0(key_a->app_id, key_b->app_id);
 257         if (ret != 0)
 258                 return ret;
 259
 260         ret = g_strcmp0(key_a->ifname, key_b->ifname);
 261         if (ret != 0)
 262                 return ret;
 263
 264         ret = g_strcmp0(key_a->subscriber_id, key_b->subscriber_id);
 265         if (ret != 0)
 266                 return ret;
 267
 268         ret = key_a->iftype - key_b->iftype;
 269         if (ret != 0)
 270                 return ret;
 271
 272         ret = key_a->roaming - key_b->roaming;
 273         if (ret != 0)
 274                 return ret;
 275
 276         return 0;
 277 }
 278
 279 static void __rstns_tree_value_free(gpointer data)
 280 {
 281         stc_rstn_value_s *value = (stc_rstn_value_s *)data;
 282
 283         FREE(value);
 284 }
 285
 286 static void __rstns_tree_key_free(gpointer data)
 287 {
 288         stc_rstn_key_s *key = (stc_rstn_key_s *)data;
 289
 290         FREE(key->app_id);
 291         FREE(key->ifname);
 292         FREE(key->subscriber_id);
 293         FREE(key);
 294 }
 295
 296 /*
 297 //LCOV_EXCL_START
 298 static gboolean __processes_tree_foreach_print(gpointer key, gpointer value,
 299                                                gpointer data)
 300 {
 301         stc_process_key_s *proc_key = (stc_process_key_s *)key;
 302         stc_process_value_s *proc_value = (stc_process_value_s *)value;
 303
 304         STC_LOGD("Process entry => PID [\033[1;33m%d\033[0;m], Ground state [%d]",
 305                  proc_key->pid, proc_value->ground);
 306         return FALSE;
 307 }
 308
 309 static void __processes_tree_printall(GTree *processes)
 310 {
 311         g_tree_foreach(processes, __processes_tree_foreach_print, NULL);
 312 }
 313
 314 static gboolean __apps_tree_foreach_print(gpointer key, gpointer value,
 315                                           gpointer data)
 316 {
 317         stc_app_key_s *app_key = (stc_app_key_s *)key;
 318         stc_app_value_s *app_value = (stc_app_value_s *)value;
 319
 320         STC_LOGD("Application info => Pkg ID [\033[0;34m%s\033[0;m], "
 321                  "App ID [\033[0;32m%s\033[0;m], Type [%d], classid [%d],"
 322                  " counter [ in (%lld), out (%lld)]",
 323                  app_key->pkg_id, app_key->app_id,
 324                  app_value->type, app_value->classid,
 325                  app_value->data_usage.in_bytes, app_value->data_usage.out_bytes);
 326
 327         __processes_tree_printall(app_value->processes);
 328         return FALSE;
 329 }
 330
 331 static void __apps_tree_printall(void)
 332 {
 333         g_tree_foreach(g_system->apps, __apps_tree_foreach_print, NULL);
 334 }
 335 //LCOV_EXCL_STOP
 336 */
 337
 338 static gboolean __apps_tree_foreach_remove_pid(gpointer key, gpointer value,
 339                                                gpointer data)
 340 {
 341         remove_pid_context_s *context = (remove_pid_context_s *)data;
 342         stc_app_value_s *app_value = (stc_app_value_s *)value;
 343
 344         if (!g_tree_remove(app_value->processes, context->proc_key))
 345                 return FALSE;
 346
 347         context->entry_removed = TRUE;
 348         context->app_key = (stc_app_key_s *)key;
 349
 350         return TRUE;
 351 }
 352
 353 static stc_app_value_s * __application_lookup(GTree *apps,
 354                                               const stc_app_key_s *key)
 355 {
 356         stc_app_value_s *lookup;
 357
 358         ret_value_msg_if(apps == NULL, NULL, "apps is null!");
 359
 360         lookup = g_tree_lookup(apps, key);
 361
 362         return lookup;
 363 }
 364
 365 static stc_process_value_s * __process_lookup(GTree *processes,
 366                                               const stc_process_key_s *key)
 367 {
 368         stc_process_value_s *lookup;
 369
 370         ret_value_msg_if(processes == NULL, NULL, "processes is null!");
 371
 372         lookup = g_tree_lookup(processes, key);
 373
 374         return lookup;
 375 }
 376
 377 //LCOV_EXCL_START
 378 static gboolean __processes_tree_check_empty(gpointer key, gpointer value,
 379                                              gpointer data)
 380 {
 381         guint *pid_count = (guint *)data;
 382         (*pid_count)++;
 383         return TRUE;
 384 }
 385 //LCOV_EXCL_STOP
 386
 387 static gboolean __add_application_monitor(gpointer key, gpointer value,
 388                                           gpointer data)
 389 {
 390         stc_app_value_s *app_value = (stc_app_value_s *)value;
 391         default_connection_s *connection = (default_connection_s *)data;
 392         stc_s *stc = stc_get_manager();
 393
 394         if (app_value->classid == STC_TOTAL_DATACALL_CLASSID ||
 395             app_value->classid == STC_TOTAL_WIFI_CLASSID ||
 396             app_value->classid == STC_TOTAL_BLUETOOTH_CLASSID)
 397                 return FALSE;
 398
 399         if (stc && connection && connection->ifname) {
 400                 struct nfacct_rule counter;
 401
 402                 if (!stc->carg) {
 403                         stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 404                         if (stc->carg == NULL) //LCOV_EXCL_LINE
 405                                 return FALSE; //LCOV_EXCL_LINE
 406
 407                         stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 408                 }
 409
 410                 memset(&counter, 0, sizeof(struct nfacct_rule));
 411
 412                 counter.carg = stc->carg;
 413                 counter.classid = app_value->classid;
 414                 counter.intend = NFACCT_COUNTER;
 415
 416                 if (connection->tether_state == TRUE &&
 417                         connection->tether_iface.ifname != NULL &&
 418                         app_value->classid == STC_TETHERING_APP_CLASSID) {
 419                         counter.iftype = connection->tether_iface.type;
 420                         g_strlcpy(counter.ifname, connection->tether_iface.ifname, MAX_IFACE_LENGTH);
 421                 } else {
 422                         counter.iftype = connection->type;
 423                         g_strlcpy(counter.ifname, connection->ifname, MAX_IFACE_LENGTH);
 424                 }
 425
 426                 if (app_value->classid == STC_TOTAL_IPV4_CLASSID) {
 427                         __add_iptables_in(&counter);
 428                         __add_iptables_out(&counter);
 429                 } else if (app_value->classid == STC_TOTAL_IPV6_CLASSID) {
 430                         __add_ip6tables_in(&counter);
 431                         __add_ip6tables_out(&counter);
 432                 } else {
 433                         __add_iptables_in(&counter);
 434                         __add_iptables_out(&counter);
 435                         __add_ip6tables_in(&counter);
 436                         __add_ip6tables_out(&counter);
 437                 }
 438         }
 439
 440         return FALSE;
 441 }
 442
 443 static gboolean __remove_application_monitor(gpointer key, gpointer value,
 444                                              gpointer data)
 445 {
 446         stc_app_value_s *app_value = (stc_app_value_s *)value;
 447         default_connection_s *connection = (default_connection_s *)data;
 448         stc_s *stc = stc_get_manager();
 449
 450         if (stc && connection && connection->ifname) {
 451                 struct nfacct_rule counter;
 452
 453                 if (!stc->carg) {
 454                         stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 455                         if (stc->carg == NULL) //LCOV_EXCL_LINE
 456                                 return FALSE; //LCOV_EXCL_LINE
 457
 458                         stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 459                 }
 460
 461                 memset(&counter, 0, sizeof(struct nfacct_rule));
 462
 463                 counter.carg = stc->carg;
 464                 counter.classid = app_value->classid;
 465                 counter.intend = NFACCT_COUNTER;
 466
 467                 if (connection->tether_state == FALSE &&
 468                         connection->tether_iface.ifname != NULL &&
 469                         app_value->classid == STC_TETHERING_APP_CLASSID) {
 470                         counter.iftype = connection->tether_iface.type;
 471                         g_strlcpy(counter.ifname, connection->tether_iface.ifname, MAX_IFACE_LENGTH);
 472                 } else {
 473                         counter.iftype = connection->type;
 474                         g_strlcpy(counter.ifname, connection->ifname, MAX_IFACE_LENGTH);
 475                 }
 476
 477                 __del_iptables_in(&counter);
 478                 __del_iptables_out(&counter);
 479                 __del_ip6tables_in(&counter);
 480                 __del_ip6tables_out(&counter);
 481         }
 482
 483         return FALSE;
 484 }
 485
 486 static void __print_rstn(stc_rstn_key_s *rstn_key, stc_rstn_value_s *rstn_value)
 487 {
 488         STC_LOGI("rstn info => rstn_id [%llu], "
 489                  "app_id [%s], classid [%u], ifname [%s], "
 490                  "iftype [%d], rstn_state [%d], rstn_type [%d], "
 491                  "month_start_date [%d], limit [ (%lld) bytes], "
 492                  "warn_limit [ (%lld) bytes], "
 493                  "monthly_limit [ (%lld) bytes], "
 494                  "weekly_limit [ (%lld) bytes], "
 495                  "daily_limit [ (%lld) bytes], "
 496                  "data_counter [ (%lld) bytes], "
 497                  "warn_counter [ (%lld) bytes], "
 498                  "monthly_counter [ (%lld) bytes], "
 499                  "weekly_counter [ (%lld) bytes], "
 500                  "daily_counter [ (%lld) bytes], "
 501                  "roaming [%d], subscriber_id [%s]",
 502                  rstn_value->restriction_id,
 503                  rstn_key->app_id, rstn_value->classid , rstn_key->ifname,
 504                  rstn_key->iftype, rstn_value->rstn_state, rstn_value->rstn_type,
 505                  rstn_value->month_start_date,
 506                  rstn_value->limit[STC_RSTN_LIMIT_TYPE_DATA],
 507                  rstn_value->limit[STC_RSTN_LIMIT_TYPE_DATA_WARN],
 508                  rstn_value->limit[STC_RSTN_LIMIT_TYPE_MONTHLY],
 509                  rstn_value->limit[STC_RSTN_LIMIT_TYPE_WEEKLY],
 510                  rstn_value->limit[STC_RSTN_LIMIT_TYPE_DAILY],
 511                  rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA],
 512                  rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA_WARN],
 513                  rstn_value->counter[STC_RSTN_LIMIT_TYPE_MONTHLY],
 514                  rstn_value->counter[STC_RSTN_LIMIT_TYPE_WEEKLY],
 515                  rstn_value->counter[STC_RSTN_LIMIT_TYPE_DAILY],
 516                  rstn_key->roaming, rstn_key->subscriber_id);
 517 }
 518
 519 static void __add_iptables_rule(int64_t classid, nfacct_rule_intend intend,
 520                                 stc_iface_type_e iftype)
 521 {
 522         char *default_ifname = stc_default_connection_get_ifname();
 523         default_connection_s *connection = stc_get_default_connection();
 524         struct nfacct_rule counter;
 525         stc_s *stc = stc_get_manager();
 526         if (!stc) {
 527                 g_free(default_ifname); //LCOV_EXCL_LINE
 528                 return; //LCOV_EXCL_LINE
 529         }
 530
 531         if (!stc->carg) {
 532                 stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 533                 if (stc->carg == NULL) { //LCOV_EXCL_LINE
 534                         g_free(default_ifname); //LCOV_EXCL_LINE
 535                         return; //LCOV_EXCL_LINE
 536                 }
 537
 538                 stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 539         }
 540
 541         counter.carg = stc->carg;
 542         counter.classid = classid;
 543         counter.intend = intend;
 544
 545         if (connection && connection->tether_iface.ifname != NULL &&
 546                 classid == STC_TETHERING_APP_CLASSID) {
 547                 counter.iftype = connection->tether_iface.type;
 548                 g_strlcpy(counter.ifname, connection->tether_iface.ifname, MAX_IFACE_LENGTH);
 549         } else {
 550                 counter.iftype = iftype;
 551                 g_strlcpy(counter.ifname, default_ifname, MAX_IFACE_LENGTH);
 552         }
 553
 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 static void __del_iptables_rule(int64_t classid, nfacct_rule_intend intend,
 566                                 stc_iface_type_e iftype)
 567 {
 568         char *default_ifname = stc_default_connection_get_ifname();
 569         default_connection_s *connection = stc_get_default_connection();
 570         struct nfacct_rule counter;
 571         stc_s *stc = stc_get_manager();
 572         if (!stc) {
 573                 g_free(default_ifname); //LCOV_EXCL_LINE
 574                 return; //LCOV_EXCL_LINE
 575         }
 576
 577         if (!stc->carg) {
 578                 stc->carg = MALLOC0(counter_arg_s, 1); //LCOV_EXCL_LINE
 579                 if (stc->carg == NULL) { //LCOV_EXCL_LINE
 580                         g_free(default_ifname); //LCOV_EXCL_LINE
 581                         return; //LCOV_EXCL_LINE
 582                 }
 583
 584                 stc->carg->sock = stc_monitor_get_counter_socket(); //LCOV_EXCL_LINE
 585         }
 586
 587         counter.carg = stc->carg;
 588         counter.classid = classid;
 589         counter.intend = intend;
 590
 591         if (connection && connection->tether_iface.ifname != NULL &&
 592                 classid == STC_TETHERING_APP_CLASSID) {
 593                 counter.iftype = connection->tether_iface.type;
 594                 g_strlcpy(counter.ifname, connection->tether_iface.ifname, MAX_IFACE_LENGTH);
 595         } else {
 596                 counter.iftype = iftype;
 597                 g_strlcpy(counter.ifname, default_ifname, MAX_IFACE_LENGTH);
 598         }
 599
 600         g_free(default_ifname);
 601
 602         /* iptables rule */
 603         __del_iptables_in(&counter);
 604         __del_iptables_out(&counter);
 605
 606         /* ip6tables rule */
 607         __del_ip6tables_in(&counter);
 608         __del_ip6tables_out(&counter);
 609 }
 610
 611 typedef struct {
 612         time_t month_start_ts;
 613         time_t week_start_ts;
 614         time_t day_start_ts;
 615         int64_t monthly_stat;
 616         int64_t weekly_stat;
 617         int64_t daily_stat;
 618 } cumulative_data_s;
 619
 620 static stc_cb_ret_e __statistics_info_cb(const table_statistics_info *info,
 621                                         void *user_data)
 622 {
 623         cumulative_data_s *stat = (cumulative_data_s *)user_data;
 624         int64_t counters = 0;
 625
 626         counters = info->cnt.in_bytes + info->cnt.out_bytes;
 627
 628         stat->monthly_stat += counters;
 629         if (stat->week_start_ts <= info->interval->from)
 630                 stat->weekly_stat += counters;
 631         if (stat->day_start_ts <= info->interval->from)
 632                 stat->daily_stat += counters;
 633
 634         return STC_CONTINUE;
 635 }
 636
 637 static void __process_restriction(enum traffic_restriction_type rstn_type,
 638                                   stc_rstn_key_s *rstn_key,
 639                                   stc_rstn_value_s *rstn_value, void *data)
 640 {
 641         default_connection_s *old_connection = (default_connection_s *)data;
 642         default_connection_s *connection = NULL;
 643
 644         if (old_connection != NULL)
 645                 connection = old_connection;
 646         else
 647                 connection = stc_get_default_connection();
 648
 649         /* no default ifname */
 650         if (connection->ifname == NULL)
 651                 return;
 652
 653         /* rstn not applicable for this interface */
 654         if (rstn_key->ifname != NULL && g_strcmp0("", rstn_key->ifname) != 0 &&
 655             (g_strcmp0(connection->ifname, rstn_key->ifname) != 0) &&
 656                 (g_strcmp0(connection->tether_iface.ifname, rstn_key->ifname) != 0))
 657                 return;
 658
 659         /* classid is invalid */
 660         if (rstn_value->classid <= STC_UNKNOWN_CLASSID)
 661                 return;
 662
 663         switch (rstn_type) {
 664         case RST_SET:
 665         {
 666                 int i;
 667                 table_counters_info info;
 668                 int64_t effective_limit[STC_RSTN_LIMIT_TYPE_MAX] = { 0, };
 669
 670                 memset(&info, 0, sizeof(table_counters_info));
 671                 rstn_value->limit_exceeded = 0;
 672
 673                 if ((rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA] == 0 &&
 674                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_DATA] >= 0) ||
 675                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA_WARN] == 0 &&
 676                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_DATA_WARN] >= 0) ||
 677                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_MONTHLY] == 0 &&
 678                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_MONTHLY] >= 0) ||
 679                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_WEEKLY] == 0 &&
 680                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_WEEKLY] >= 0) ||
 681                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_DAILY] == 0 &&
 682                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_DAILY] >= 0)) {
 683                         table_counters_get(rstn_value->restriction_id, &info);
 684
 685                         time_t current_time = 0;
 686                         cumulative_data_s stat;
 687                         table_statistics_select_rule rule;
 688
 689                         memset(&stat, 0, sizeof(cumulative_data_s));
 690                         stat.month_start_ts = rstn_value->month_start_ts;
 691                         stat.week_start_ts = g_system->last_week_ts;
 692                         stat.week_start_ts = g_system->last_day_ts;
 693
 694                         memset(&rule, 0, sizeof(table_statistics_select_rule));
 695                         rule.from = rstn_value->month_start_ts;
 696                         time(&current_time);
 697                         rule.to = current_time;
 698                         rule.iftype = rstn_key->iftype;
 699                         rule.granularity = GRANULARITY;
 700
 701                         table_statistics_per_app(rstn_key->app_id, &rule, __statistics_info_cb, &stat);
 702
 703                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA] = info.data_counter;
 704                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA_WARN] = info.warn_counter;
 705                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_MONTHLY] = info.monthly_counter + stat.monthly_stat;
 706                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_WEEKLY] = info.weekly_counter + stat.weekly_stat;
 707                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_DAILY] = info.daily_counter + stat.daily_stat;
 708                 }
 709
 710                 for (i = 0; i < STC_RSTN_LIMIT_TYPE_MAX; i++) {
 711                         if (rstn_value->limit[i] >= 0) {
 712                                 effective_limit[i] = rstn_value->limit[i] - rstn_value->counter[i];
 713
 714                                 if (effective_limit[i] < 0)
 715                                         rstn_value->limit_exceeded |= (1 << i);
 716                         }
 717                 }
 718
 719                 STC_LOGD("rstn_id [%llu], datausage [%llu] bytes",
 720                         rstn_value->restriction_id, info.data_counter);
 721
 722                 if (rstn_value->limit_exceeded != 0 &&
 723                         rstn_value->limit_exceeded != (1 << STC_RSTN_LIMIT_TYPE_DATA_WARN)) {
 724                         __add_iptables_rule(rstn_value->classid, NFACCT_BLOCK, rstn_key->iftype);
 725                 }
 726
 727                 rstn_value->rstn_state = STC_RSTN_STATE_ACTIVATED;
 728         }
 729         break;
 730         case RST_EXCLUDE:
 731                 __add_iptables_rule(rstn_value->classid, NFACCT_ALLOW,
 732                                     rstn_key->iftype);
 733
 734                 rstn_value->rstn_state = STC_RSTN_STATE_ACTIVATED;
 735                 rstn_value->limit_exceeded = 0;
 736                 rstn_value->limit_notified = 0;
 737                 break;
 738         case RST_UNSET:
 739         {
 740                 int i;
 741
 742                 if (rstn_value->classid == STC_TETHERING_APP_CLASSID)
 743                         __del_iptables_rule(rstn_value->classid, NFACCT_BLOCK,
 744                                             rstn_key->iftype);
 745                 else
 746                         __del_iptables_rule(rstn_value->classid, rstn_value->rstn_type,
 747                                             rstn_key->iftype);
 748
 749                 rstn_value->rstn_state = STC_RSTN_STATE_DEACTIVATED;
 750                 rstn_value->limit_exceeded = 0;
 751                 rstn_value->limit_notified = 0;
 752
 753                 for (i = 0; i < STC_RSTN_LIMIT_TYPE_MAX; i++)
 754                         if (rstn_value->limit[i] >= 0)
 755                                 rstn_value->counter[i] = 0;
 756         }
 757         break;
 758         default:
 759                 ;//Do Nothing
 760         }
 761 }
 762
 763 //LCOV_EXCL_START
 764 static gboolean __remove_rstns_foreach_application(gpointer key,
 765                                                    gpointer value,
 766                                                    gpointer data)
 767 {
 768         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
 769         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 770         gchar *app_id = (gchar *)data;
 771
 772         /* rstn rule is not for applications */
 773         if (rstn_key->app_id == NULL)
 774                 goto out;
 775
 776         /* rstn rule is not for this application */
 777         if (g_strcmp0(rstn_key->app_id, app_id) != 0)
 778                 goto out;
 779
 780         /* rstn rule is already removed */
 781         if (rstn_value->rstn_state == STC_RSTN_STATE_DEACTIVATED)
 782                 goto out;
 783
 784         /* remove restriction from system */
 785         __process_restriction(RST_UNSET, rstn_key, rstn_value, NULL);
 786
 787         __print_rstn(rstn_key, rstn_value);
 788 out:
 789         return FALSE;
 790 }
 791 //LCOV_EXCL_STOP
 792
 793 static void __remove_rstns_for_application(gchar *app_id)
 794 {
 795         g_tree_foreach(g_system->rstns, __remove_rstns_foreach_application,
 796                        app_id);
 797 }
 798
 799 static stc_error_e __application_remove_if_empty(const stc_app_key_s *app_key)
 800 {
 801         stc_error_e ret = STC_ERROR_NONE;
 802         guint pid_count = 0;
 803         stc_app_value_s *lookup;
 804
 805         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
 806
 807         lookup = __application_lookup(g_system->apps, app_key);
 808         if (!lookup) {
 809                 STC_LOGE("app_key not found"); //LCOV_EXCL_LINE
 810                 return STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
 811         }
 812
 813         g_tree_foreach(lookup->processes, __processes_tree_check_empty,
 814                        &pid_count);
 815
 816         if (!pid_count) {
 817                 /* remove nfacct rule for this classid */
 818                 __remove_application_monitor((gpointer) app_key, lookup,
 819                                              stc_get_default_connection());
 820                 __remove_rstns_for_application(app_key->app_id);
 821         }
 822
 823         if (!g_tree_remove(g_system->apps, app_key)) {
 824                 ret = STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
 825                 STC_LOGE("key not found"); //LCOV_EXCL_LINE
 826         }
 827
 828         return ret;
 829 }
 830
 831 static stc_error_e __close_contr_sock(stc_system_s *system)
 832 {
 833         ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
 834
 835         /* close netlink socket for updating kernel counters */
 836         if (system->contr_sock != -1) {
 837                 close(system->contr_sock);
 838                 system->contr_sock = -1;
 839         }
 840
 841         if (system->contr_gsource_id != 0) {
 842                 g_source_remove(system->contr_gsource_id);
 843                 system->contr_gsource_id = 0;
 844         }
 845
 846         return STC_ERROR_NONE;
 847 }
 848
 849 static gboolean __process_contr_reply(GIOChannel *source,
 850                                       GIOCondition condition,
 851                                       gpointer user_data);
 852
 853 //LCOV_EXCL_START
 854 static stc_error_e __close_and_reopen_contr_sock(stc_system_s *system)
 855 {
 856         GIOChannel *gio = NULL;
 857         ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
 858
 859         /* close netlink socket for updating kernel counters */
 860         if (system->contr_sock != -1) {
 861                 close(system->contr_sock);
 862                 system->contr_sock = -1;
 863         }
 864
 865         if (system->contr_gsource_id != 0) {
 866                 g_source_remove(system->contr_gsource_id);
 867                 system->contr_gsource_id = 0;
 868         }
 869
 870         /* create netlink socket for updating kernel counters */
 871         system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
 872         if (system->contr_sock < 0) {
 873                 STC_LOGE("failed to open socket");
 874                 FREE(system);
 875                 return STC_ERROR_FAIL;
 876         }
 877
 878         gio = g_io_channel_unix_new(system->contr_sock);
 879         system->contr_gsource_id =
 880                 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
 881                                (GIOFunc) __process_contr_reply,
 882                                NULL);
 883         g_io_channel_unref(gio);
 884
 885         return STC_ERROR_NONE;
 886 }
 887
 888 static void __action_when_rstn_limit_exceeded(stc_rstn_limit_type_e limit_type,
 889                                                 stc_rstn_key_s *rstn_key,
 890                                                 stc_rstn_value_s *rstn_value,
 891                                                 classid_bytes_context_s *context)
 892 {
 893         gboolean rv;
 894         char iftype[MAX_INT_LENGTH] = { 0, };
 895         char byte[MAX_INT_LENGTH] = { 0, };
 896         const char *signal_name = NULL;
 897         const char *net_popup_content = NULL;
 898         const char *net_popup_type = NULL;
 899         stc_s *stc = (stc_s *)stc_get_manager();
 900
 901         if (stc == NULL) {
 902                 STC_LOGE("Failed to get stc data");
 903                 return;
 904         }
 905
 906         switch (limit_type) {
 907         case STC_RSTN_LIMIT_TYPE_DATA_WARN:
 908         {
 909                 signal_name = "WarnThresholdCrossed";
 910                 net_popup_content = "warn threshold crossed";
 911                 net_popup_type = "warning_noti";
 912         }
 913         break;
 914         case STC_RSTN_LIMIT_TYPE_DATA:
 915         case STC_RSTN_LIMIT_TYPE_MONTHLY:
 916         case STC_RSTN_LIMIT_TYPE_WEEKLY:
 917         case STC_RSTN_LIMIT_TYPE_DAILY:
 918         {
 919                 signal_name = "RestrictionThresholdCrossed";
 920                 net_popup_content = "restriction threshold crossed";
 921                 net_popup_type = "restriction_noti";
 922
 923                 /* block immediately */
 924                 context->counter->intend = NFACCT_BLOCK;
 925                 __del_iptables_in(context->counter);
 926                 __del_iptables_out(context->counter);
 927                 __add_iptables_in(context->counter);
 928                 __add_iptables_out(context->counter);
 929
 930                 __del_ip6tables_in(context->counter);
 931                 __del_ip6tables_out(context->counter);
 932                 __add_ip6tables_in(context->counter);
 933                 __add_ip6tables_out(context->counter);
 934                 context->counter->intend = NFACCT_COUNTER;
 935
 936                 rstn_value->limit_exceeded |= (1 << limit_type);
 937         }
 938         break;
 939         default:
 940                 break;
 941         }
 942
 943         if (signal_name == NULL) {
 944                 STC_LOGE("Invalid parameter: limit_type");
 945                 return;
 946         }
 947
 948         /* emit signal */
 949         rv = stc_manager_dbus_emit_signal(stc->connection,
 950                                                   STC_DBUS_SERVICE_RESTRICTION_PATH,
 951                                                   STC_DBUS_INTERFACE_RESTRICTION,
 952                                                   signal_name,
 953                                                   g_variant_new("(si)",
 954                                                   rstn_key->app_id,
 955                                                   rstn_key->iftype));
 956
 957         if (rv == TRUE)
 958                 rstn_value->limit_notified |= (1 << limit_type);
 959
 960         snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
 961         snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->limit[limit_type]);
 962         stc_plugin_appstatus_send_message(net_popup_content,
 963                         net_popup_type, rstn_key->app_id, iftype, byte);
 964 }
 965
 966 static gboolean __rstn_counter_update(stc_rstn_key_s *rstn_key,
 967                                       stc_rstn_value_s *rstn_value,
 968                                       classid_bytes_context_s *context)
 969 {
 970         int i;
 971         switch (context->counter->iotype) {
 972         case NFACCT_COUNTER_IN:
 973         case NFACCT_COUNTER_OUT:
 974                 if ((rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA] == 0 &&
 975                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_DATA] >= 0) ||
 976                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA_WARN] == 0 &&
 977                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_DATA_WARN] >= 0) ||
 978                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_MONTHLY] == 0 &&
 979                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_MONTHLY] >= 0) ||
 980                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_WEEKLY] == 0 &&
 981                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_WEEKLY] >= 0) ||
 982                         (rstn_value->counter[STC_RSTN_LIMIT_TYPE_DAILY] == 0 &&
 983                         rstn_value->limit[STC_RSTN_LIMIT_TYPE_DAILY] >= 0)) {
 984                         table_counters_info info;
 985                         memset(&info, 0, sizeof(table_counters_info));
 986                         table_counters_get(rstn_value->restriction_id, &info);
 987
 988                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA] = info.data_counter;
 989                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA_WARN] = info.warn_counter;
 990                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_MONTHLY] = info.monthly_counter;
 991                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_WEEKLY] = info.weekly_counter;
 992                         rstn_value->counter[STC_RSTN_LIMIT_TYPE_DAILY] = info.daily_counter;
 993                 }
 994
 995                 for (i = 0; i < STC_RSTN_LIMIT_TYPE_MAX; i++) {
 996                         if (rstn_value->limit[i] >= 0 &&
 997                                 !(rstn_value->limit_notified & (1 << i))) {
 998                                 rstn_value->counter[i] += context->bytes;
 999                                 if (rstn_value->limit[i] <= rstn_value->counter[i])
1000                                         __action_when_rstn_limit_exceeded(i,
1001                                                                                 rstn_key,
1002                                                                                 rstn_value,
1003                                                                                 context);
1004                         }
1005                 }
1006
1007                 g_system->rstns_tree_updated = TRUE;
1008                 __print_rstn(rstn_key, rstn_value);
1009                 break;
1010         default:
1011                 STC_LOGE("unknown iotype");
1012         }
1013
1014         return FALSE;
1015 }
1016
1017 static gboolean __interface_rstn_counter_update(stc_rstn_key_s *rstn_key,
1018                                                 stc_rstn_value_s *rstn_value,
1019                                                 classid_bytes_context_s *context)
1020 {
1021         if ((rstn_value->classid == STC_TOTAL_DATACALL_CLASSID &&
1022                 context->counter->iftype == STC_IFACE_DATACALL) ||
1023                 (rstn_value->classid == STC_TOTAL_WIFI_CLASSID &&
1024                 context->counter->iftype == STC_IFACE_WIFI) ||
1025                 (rstn_value->classid == STC_TOTAL_BLUETOOTH_CLASSID &&
1026                 context->counter->iftype == STC_IFACE_BLUETOOTH) ||
1027                 (rstn_value->classid == STC_TETHERING_APP_CLASSID &&
1028                  context->counter->iftype == STC_IFACE_WIFI) ||
1029                 (rstn_value->classid == STC_TETHERING_APP_CLASSID &&
1030                  context->counter->iftype == STC_IFACE_BLUETOOTH) ||
1031                 (rstn_value->classid == STC_TETHERING_APP_CLASSID &&
1032                  context->counter->iftype == STC_IFACE_USB) ||
1033                 (rstn_value->classid == STC_TETHERING_APP_CLASSID &&
1034                  context->counter->iftype == STC_IFACE_P2P)) {
1035                 context->counter->classid = rstn_value->classid;
1036                 return __rstn_counter_update(rstn_key, rstn_value, context);
1037         }
1038
1039         return FALSE;
1040 }
1041
1042 static gboolean __rstn_counter_update_foreach_classid(gpointer key,
1043                                                       gpointer value,
1044                                                       gpointer data)
1045 {
1046         gboolean rv = FALSE;
1047         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1048         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1049         classid_bytes_context_s *context = (classid_bytes_context_s *)data;
1050         uint32_t classid;
1051
1052         if (context->counter->intend != NFACCT_COUNTER)
1053                 goto try_next_callback;
1054
1055         if (rstn_value->limit_exceeded == TRUE) {
1056                 context->data_limit_exceeded = TRUE; //LCOV_EXCL_LINE
1057                 goto try_next_callback; //LCOV_EXCL_LINE
1058         }
1059
1060         classid = context->counter->classid;
1061         rv = __interface_rstn_counter_update(rstn_key, rstn_value, context);
1062
1063         context->counter->classid = classid;
1064         if (rstn_value->classid != context->counter->classid)
1065                 goto try_next_callback;
1066
1067         rv = __rstn_counter_update(rstn_key, rstn_value, context);
1068
1069 try_next_callback:
1070         return rv;
1071 }
1072 //LCOV_EXCL_STOP
1073
1074 static gboolean __update_app_statistics(gpointer key, gpointer value,
1075                                         gpointer data)
1076 {
1077         stc_app_key_s *app_key = (stc_app_key_s *)key;
1078         stc_app_value_s *app_value = (stc_app_value_s *)value;
1079         time_t *touch_time = (time_t *)data;
1080         stc_db_classid_iftype_key stat_key;
1081         stc_db_app_stats stat;
1082         default_connection_s *default_connection = stc_get_default_connection();
1083
1084         memset(&stat_key, 0, sizeof(stc_db_classid_iftype_key));
1085         memset(&stat, 0 , sizeof(stc_db_app_stats));
1086
1087         /* Do not update statistics for Tethering
1088          * if tethering is in-active found */
1089         if (default_connection &&
1090                 default_connection->tether_state == FALSE &&
1091                 !strcmp(app_key->app_id, STC_TOTAL_TETHERING))
1092                 return FALSE;
1093
1094         /* Do not update statistics for Wi-Fi
1095          * if tethering is active on wlan0 iface */
1096         if (default_connection && default_connection->tether_state &&
1097                 default_connection->tether_iface.type == STC_IFACE_WIFI &&
1098                 !strcmp(app_key->app_id, STC_TOTAL_WIFI))
1099                 return FALSE;
1100
1101         stat_key.classid = app_value->classid;
1102
1103         if (app_value->classid == STC_TETHERING_APP_CLASSID &&
1104                 default_connection->tether_state == TRUE)
1105                 stat_key.iftype = default_connection->tether_iface.type;
1106         else
1107                 stat_key.iftype = default_connection->type;
1108
1109         if (STC_IFACE_DATACALL == stat_key.iftype)
1110                 stat_key.subscriber_id = g_strdup(default_connection->subscriber_id);
1111         else
1112                 stat_key.subscriber_id = g_strdup("none_subid"); //LCOV_EXCL_LINE
1113
1114         if (app_value->classid == STC_TETHERING_APP_CLASSID &&
1115                 default_connection->tether_state == TRUE)
1116                 g_strlcpy(stat_key.ifname, default_connection->tether_iface.ifname,
1117                           MAX_IFACE_LENGTH);
1118         else
1119                 g_strlcpy(stat_key.ifname, default_connection->ifname,
1120                           MAX_IFACE_LENGTH);
1121
1122         stat.app_id = g_strdup(app_key->app_id);
1123         stat.snd_count = app_value->counter.out_bytes;
1124         stat.rcv_count = app_value->counter.in_bytes;
1125         stat.is_roaming = default_connection->roaming;
1126
1127         if (strstr(stat.app_id, "_BACKGROUND")) {
1128                 stat.ground = STC_APP_STATE_BACKGROUND;
1129         } else {
1130                 if (strstr(stat.app_id, "TOTAL_"))
1131                         stat.ground = STC_APP_STATE_UNKNOWN;
1132                 else
1133                         stat.ground = STC_APP_STATE_FOREGROUND;
1134         }
1135
1136         table_statistics_insert(&stat_key, &stat, *touch_time);
1137
1138         app_value->counter.out_bytes = 0;
1139         app_value->counter.in_bytes = 0;
1140
1141         FREE(stat.app_id);
1142         FREE(stat_key.subscriber_id);
1143
1144         return FALSE;
1145 }
1146
1147 static gboolean __flush_apps_stats_to_database(gpointer user_data)
1148 {
1149         time_t current_time = 0;
1150         stc_s *stc = stc_get_manager();
1151
1152         if (stc && stc->carg)
1153                 current_time = stc->carg->last_run_time;
1154
1155         if (g_system->apps_tree_updated == FALSE)
1156                 return G_SOURCE_REMOVE;
1157
1158         g_system->apps_tree_updated = FALSE;
1159
1160         if (g_system->apps)
1161                 g_tree_foreach(g_system->apps,
1162                                __update_app_statistics,
1163                                &current_time);
1164
1165         STC_LOGI("Flushed app stats to database");
1166         return G_SOURCE_REMOVE;
1167 }
1168
1169 //LCOV_EXCL_START
1170 static gboolean __update_counter_statistics(gpointer key, gpointer value,
1171                                             gpointer data)
1172 {
1173         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1174         table_counters_info info = {
1175                 .restriction_id = rstn_value->restriction_id,
1176                 .data_counter = rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA],
1177                 .warn_counter = rstn_value->counter[STC_RSTN_LIMIT_TYPE_DATA_WARN],
1178                 .monthly_counter = rstn_value->counter[STC_RSTN_LIMIT_TYPE_MONTHLY],
1179                 .weekly_counter = rstn_value->counter[STC_RSTN_LIMIT_TYPE_WEEKLY],
1180                 .daily_counter = rstn_value->counter[STC_RSTN_LIMIT_TYPE_DAILY]
1181         };
1182
1183         table_counters_update_counters(&info);
1184
1185         return FALSE;
1186 }
1187
1188 static gboolean __flush_rstns_counter_to_database(gpointer user_data)
1189 {
1190         time_t current_time = 0;
1191         stc_s *stc = stc_get_manager();
1192
1193         if (stc && stc->carg)
1194                 current_time = stc->carg->last_run_time;
1195
1196         if (g_system->rstns_tree_updated == FALSE)
1197                 return G_SOURCE_REMOVE;
1198
1199         g_system->rstns_tree_updated = FALSE;
1200
1201         if (g_system->rstns)
1202                 g_tree_foreach(g_system->rstns,
1203                                __update_counter_statistics,
1204                                &current_time);
1205
1206         STC_LOGI("Flushed rstns counters to database");
1207         return G_SOURCE_REMOVE;
1208 }
1209 //LCOV_EXCL_STOP
1210
1211 static void __app_counter_update(stc_app_key_s *app_key,
1212                                  stc_app_value_s *app_value,
1213                                  classid_bytes_context_s *context)
1214 {
1215         switch (context->counter->iotype) {
1216         case NFACCT_COUNTER_IN:
1217                 app_value->data_usage.in_bytes += context->bytes;
1218                 app_value->counter.in_bytes = context->bytes;
1219                 g_system->apps_tree_updated = TRUE;
1220
1221                 /*
1222                 __apps_tree_foreach_print(app_key, app_value, NULL); //LCOV_EXCL_LINE
1223                 */
1224                 break;
1225         case NFACCT_COUNTER_OUT:
1226                 app_value->data_usage.out_bytes += context->bytes;
1227                 app_value->counter.out_bytes = context->bytes;
1228                 g_system->apps_tree_updated = TRUE;
1229
1230                 /*
1231                 __apps_tree_foreach_print(app_key, app_value, NULL); //LCOV_EXCL_LINE
1232                 */
1233                 break;
1234         default:
1235                 STC_LOGE("unknown iotype"); //LCOV_EXCL_LINE
1236         }
1237 }
1238
1239 static void __interface_counter_update(stc_app_key_s *app_key,
1240                                        stc_app_value_s *app_value,
1241                                        classid_bytes_context_s *context)
1242 {
1243         if ((app_value->classid == STC_TOTAL_DATACALL_CLASSID &&
1244              context->counter->iftype == STC_IFACE_DATACALL) ||
1245             (app_value->classid == STC_TOTAL_WIFI_CLASSID &&
1246              context->counter->iftype == STC_IFACE_WIFI) ||
1247             (app_value->classid == STC_TOTAL_BLUETOOTH_CLASSID &&
1248              context->counter->iftype == STC_IFACE_BLUETOOTH) ||
1249                 (app_value->classid == STC_TETHERING_APP_CLASSID &&
1250                  context->counter->iftype == STC_IFACE_WIFI) ||
1251                 (app_value->classid == STC_TETHERING_APP_CLASSID &&
1252                  context->counter->iftype == STC_IFACE_BLUETOOTH) ||
1253                 (app_value->classid == STC_TETHERING_APP_CLASSID &&
1254                  context->counter->iftype == STC_IFACE_USB) ||
1255                 (app_value->classid == STC_TETHERING_APP_CLASSID &&
1256                  context->counter->iftype == STC_IFACE_P2P))
1257                  __app_counter_update(app_key, app_value, context);
1258 }
1259
1260
1261 static gboolean __apps_counter_update_foreach_classid(gpointer key,
1262                                                       gpointer value,
1263                                                       gpointer data)
1264 {
1265         stc_app_key_s *app_key = (stc_app_key_s *)key;
1266         stc_app_value_s *app_value = (stc_app_value_s *)value;
1267         classid_bytes_context_s *context = (classid_bytes_context_s *)data;
1268
1269         if (context->counter->intend != NFACCT_COUNTER)
1270                 goto try_next_callback;
1271
1272         __interface_counter_update(app_key, app_value, context);
1273
1274         if (app_value->classid != context->counter->classid)
1275                 goto try_next_callback;
1276
1277         __app_counter_update(app_key, app_value, context);
1278
1279 try_next_callback:
1280         return FALSE;
1281 }
1282
1283 static gboolean __reset_time_counter_foreach_rstn(gpointer key,
1284                                                   gpointer value,
1285                                                   gpointer data)
1286 {
1287         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1288         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1289         reset_time_limits_context_s *context = (reset_time_limits_context_s *)data;
1290         int i;
1291         time_t now_month_start_ts;
1292
1293         if (rstn_value->month_start_date == 0) {
1294                 table_counters_info info;
1295                 memset(&info, 0, sizeof(table_counters_info));
1296                 table_counters_get_timestamps(rstn_value->restriction_id, &info);
1297
1298                 if (info.month_start_date == 0)
1299                         rstn_value->month_start_date = 1;
1300                 else
1301                         rstn_value->month_start_date = info.month_start_date;
1302                 rstn_value->month_start_ts = info.month_start_ts;
1303         }
1304
1305         now_month_start_ts =
1306                 stc_time_get_month_start(context->now,
1307                                          rstn_value->month_start_date);
1308
1309         if (rstn_value->month_start_ts != now_month_start_ts) {
1310                 rstn_value->month_start_ts = now_month_start_ts;
1311                 context->month_start_ts = now_month_start_ts;
1312                 context->is_updated |= (1 << STC_RSTN_LIMIT_TYPE_MONTHLY);
1313         }
1314
1315         if (context->is_updated) {
1316                 table_counters_info info;
1317                 memset(&info, 0, sizeof(table_counters_info));
1318
1319                 info.restriction_id = rstn_value->restriction_id;
1320                 info.month_start_date = rstn_value->month_start_date;
1321                 info.month_start_ts = rstn_value->month_start_ts;
1322                 info.week_start_ts = context->week_start_ts;
1323                 info.day_start_ts = context->day_start_ts;
1324
1325                 table_counters_update_timestamps(&info);
1326         }
1327
1328         for (i = STC_RSTN_LIMIT_TYPE_MONTHLY; i < STC_RSTN_LIMIT_TYPE_MAX; i++) {
1329
1330                 if ((context->is_updated) & (1 << i)) {
1331                         /* reset limit */
1332                         rstn_value->counter[i] = 0;
1333
1334                         if (rstn_value->limit_exceeded & (1 << i)) {
1335                                 /* remove iptables rule */
1336                                 char *default_ifname = stc_default_connection_get_ifname();
1337                                 struct nfacct_rule counter;
1338                                 stc_s *stc = stc_get_manager();
1339                                 if (stc == NULL) {
1340                                         STC_LOGE("Can't get stc data");
1341                                         g_free(default_ifname);
1342                                         goto try_next_callback;
1343                                 }
1344
1345                                 if (!stc->carg) {
1346                                         stc->carg = MALLOC0(counter_arg_s, 1);
1347                                         if (stc->carg == NULL) {
1348                                                 g_free(default_ifname);
1349                                                 goto try_next_callback;
1350                                         }
1351
1352                                         stc->carg->sock =
1353                                                 stc_monitor_get_counter_socket();
1354                                 }
1355
1356                                 counter.carg = stc->carg;
1357                                 counter.classid = rstn_value->classid;
1358                                 counter.intend = NFACCT_BLOCK;
1359                                 counter.iftype = rstn_key->iftype;
1360                                 g_strlcpy(counter.ifname, default_ifname,
1361                                           MAX_IFACE_LENGTH);
1362
1363                                 g_free(default_ifname);
1364
1365                                 /* iptables rule */
1366                                 __del_iptables_in(&counter);
1367                                 __del_iptables_out(&counter);
1368
1369                                 /* ip6tables rule */
1370                                 __del_ip6tables_in(&counter);
1371                                 __del_ip6tables_out(&counter);
1372
1373                                 rstn_value->rstn_state = STC_RSTN_STATE_DEACTIVATED;
1374                                 rstn_value->limit_exceeded &= ~(1 << i);
1375                                 rstn_value->limit_notified &= ~(1 << i);
1376                         }
1377                 }
1378         }
1379
1380 try_next_callback:
1381         return FALSE;
1382 }
1383
1384 static void __reset_time_counters_if_required(void)
1385 {
1386         reset_time_limits_context_s context;
1387
1388         if (g_system == NULL) {
1389                 STC_LOGE("stc monitor not initialized!");
1390                 return;
1391         }
1392
1393         context.now = time(NULL);
1394         context.week_start_ts = stc_time_get_week_start(context.now);
1395         context.day_start_ts = stc_time_get_day_start(context.now);
1396         context.is_updated = 0;
1397
1398         if (g_system->last_week_ts != context.week_start_ts) {
1399                 g_system->last_week_ts = context.week_start_ts;
1400                 context.is_updated |= (1 << STC_RSTN_LIMIT_TYPE_WEEKLY);
1401         }
1402
1403         if (g_system->last_day_ts != context.day_start_ts) {
1404                 g_system->last_day_ts = context.day_start_ts;
1405                 context.is_updated |= (1 << STC_RSTN_LIMIT_TYPE_DAILY);
1406         }
1407
1408         if (g_system->rstns) {
1409                 g_tree_foreach(g_system->rstns,
1410                                __reset_time_counter_foreach_rstn,
1411                                &context);
1412                 if (context.is_updated)
1413                         STC_LOGD("Counter reset completed month_start [%ld], week_start [%ld], day_start [%ld]",
1414                                  context.month_start_ts, g_system->last_week_ts, g_system->last_day_ts);
1415         }
1416 }
1417
1418 static void __fill_nfacct_result(char *cnt_name, int64_t bytes,
1419                                  struct counter_arg *carg)
1420 {
1421         __reset_time_counters_if_required();
1422
1423         struct nfacct_rule counter = {
1424                 .carg = carg,
1425                 .name = {0},
1426                 .ifname = {0},
1427                 0
1428         };
1429
1430         classid_bytes_context_s context = {
1431                 .counter = &counter,
1432                 .bytes = bytes,
1433                 .data_limit_exceeded = FALSE,
1434         };
1435
1436         if (!recreate_counter_by_name(cnt_name, &counter)) {
1437                 STC_LOGE("Can't parse counter name %s", cnt_name); //LCOV_EXCL_LINE
1438                 return; //LCOV_EXCL_LINE
1439         }
1440
1441         if (STC_DEBUG_LOG)
1442                 STC_LOGI("classid %u, iftype %u, iotype %d, intend %d, ifname %s, bytes %lld",
1443                         context.counter->classid, context.counter->iftype,
1444                         context.counter->iotype, context.counter->intend,
1445                         context.counter->ifname, context.bytes);
1446
1447         if (g_system->rstns)
1448                 g_tree_foreach(g_system->rstns,
1449                                __rstn_counter_update_foreach_classid,
1450                                &context);
1451
1452         if (g_system->apps)
1453                 g_tree_foreach(g_system->apps,
1454                                __apps_counter_update_foreach_classid,
1455                                &context);
1456 }
1457
1458 static int __fill_counters(struct rtattr *attr_list[__NFACCT_MAX],
1459                            void *user_data)
1460 {
1461         struct counter_arg *carg = user_data;
1462         char *cnt_name = (char *)RTA_DATA(attr_list[NFACCT_NAME]);
1463         if (carg->initiate) {
1464                 /**
1465                  * TODO: this will be used when daemon starts to update existing
1466                  * counter data if present.
1467                  *
1468                  populate_counters(cnt_name, carg);
1469                  */
1470         } else {
1471                 int64_t *bytes_p =
1472                         (int64_t *)RTA_DATA(attr_list[NFACCT_BYTES]);
1473                 int bytes = be64toh(*bytes_p);
1474                 if (bytes) {
1475                         ++carg->serialized_counters;
1476                         __fill_nfacct_result(cnt_name, bytes, carg);
1477                 }
1478         }
1479
1480         return 0;
1481 }
1482
1483 static int __post_fill_counters(void *user_data)
1484 {
1485         struct counter_arg *carg = user_data;
1486
1487         if (carg->initiate)
1488                 carg->initiate = 0;
1489
1490         return 0;
1491 }
1492
1493 static void __process_network_counter(struct genl *ans,
1494                                       struct counter_arg *carg)
1495 {
1496         struct netlink_serialization_params ser_params = {
1497                 .carg = carg,
1498                 .ans = ans,
1499                 .eval_attr = __fill_counters,
1500                 .post_eval_attr = __post_fill_counters,
1501         };
1502
1503         netlink_serialization_command *netlink =
1504                 netlink_create_command(&ser_params);
1505         if (!netlink) {
1506                 STC_LOGE("Can not create command"); //LCOV_EXCL_LINE
1507                 return; //LCOV_EXCL_LINE
1508         }
1509
1510         netlink->deserialize_answer(&(netlink->params));
1511 }
1512
1513 static gboolean __process_contr_reply(GIOChannel *source,
1514                                       GIOCondition condition,
1515                                       gpointer user_data)
1516 {
1517         int sock = g_io_channel_unix_get_fd(source);
1518         struct genl *ans;
1519         int ret;
1520         stc_s *stc = stc_get_manager();
1521
1522 #ifdef TIZEN_GTESTS
1523         void __gcov_flush(void);
1524         __gcov_flush();
1525 #endif
1526
1527         if ((condition & G_IO_ERR) || (condition & G_IO_HUP) ||
1528             (condition & G_IO_NVAL)) {
1529                 /* G_IO_ERR/G_IO_HUP/G_IO_NVAL received */
1530
1531                 STC_LOGE("Counter socket received G_IO event, closing socket." //LCOV_EXCL_LINE
1532                          "G_IO_ERR [%u], G_IO_HUP [%u], G_IO_NVAL [%u]",
1533                          (condition & G_IO_ERR), (condition & G_IO_HUP),
1534                          (condition & G_IO_NVAL));
1535                 __close_and_reopen_contr_sock(g_system); //LCOV_EXCL_LINE
1536                 return FALSE; //LCOV_EXCL_LINE
1537         }
1538
1539         ans = MALLOC0(struct genl, 1);
1540         if (ans == NULL) {
1541                 STC_LOGE("Failed allocate memory to genl reply message"); //LCOV_EXCL_LINE
1542                 return TRUE; //LCOV_EXCL_LINE
1543         }
1544
1545         if (stc == NULL) {
1546                 STC_LOGE("Can't get stc data"); //LCOV_EXCL_LINE
1547                 goto out; //LCOV_EXCL_LINE
1548         }
1549
1550         ret = read_netlink(sock, ans, sizeof(struct genl));
1551         /* STC_LOGD("Counter data received ret [%d]", ret); */
1552         if (ret == 0)
1553                 goto out;
1554
1555         stc->carg->ans_len = ret;
1556         stc->carg->last_run_time = time(NULL);
1557
1558         __process_network_counter(ans, stc->carg);
1559
1560         g_idle_add(__flush_apps_stats_to_database, NULL);
1561         g_idle_add(__flush_rstns_counter_to_database, NULL);
1562 out:
1563
1564         FREE(ans);
1565         return TRUE;
1566 }
1567
1568 static gboolean __update_contr_cb(void *user_data)
1569 {
1570         /* Here we just sent command, answer we receive in another callback */
1571         stc_s *stc = stc_get_manager();
1572         ret_value_msg_if(stc == NULL, STC_ERROR_FAIL, "Can't get stc data");
1573         if (!stc->carg) {
1574                 stc->carg = MALLOC0(counter_arg_s, 1);
1575                 if (stc->carg == NULL)
1576                         return TRUE;  /* we need to continue the timer */
1577
1578                 stc->carg->sock = stc_monitor_get_counter_socket();
1579         }
1580
1581 #ifdef TIZEN_GTESTS
1582         void __gcov_flush(void);
1583         __gcov_flush();
1584 #endif
1585
1586         /* STC_LOGD("Get all counters"); */
1587         nfacct_send_get_all(stc->carg);
1588
1589         /* we need to continue the timer */
1590         return TRUE;
1591 }
1592
1593 /*
1594 //LCOV_EXCL_START
1595 static gboolean __rstn_tree_foreach_print(gpointer key, gpointer value,
1596                                           gpointer data)
1597 {
1598         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1599         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1600
1601         __print_rstn(rstn_key, rstn_value);
1602         return FALSE;
1603 }
1604
1605 static void __rstn_tree_printall(void)
1606 {
1607         g_tree_foreach(g_system->rstns, __rstn_tree_foreach_print, NULL);
1608 }
1609 //LCOV_EXCL_STOP
1610 */
1611
1612 static stc_rstn_value_s * __rstn_lookup(GTree *rstns_tree,
1613                                         const stc_rstn_key_s *key)
1614 {
1615         stc_rstn_value_s *lookup;
1616
1617         ret_value_msg_if(rstns_tree == NULL, NULL, "rstns_tree is null!");
1618
1619         lookup = g_tree_lookup(rstns_tree, key);
1620
1621         return lookup;
1622 }
1623
1624 static gboolean __remove_restriction(gpointer key, gpointer value,
1625                                      gpointer data)
1626 {
1627         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1628         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1629
1630         __process_restriction(RST_UNSET, rstn_key, rstn_value, data);
1631         __print_rstn(rstn_key, rstn_value);
1632         return FALSE;
1633 }
1634
1635 static gboolean __add_restriction_debug(gpointer key, gpointer value,
1636                                         gpointer data)
1637 {
1638         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1639         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1640
1641         /* rstn rule is activated */
1642         if (rstn_value->rstn_state == STC_RSTN_STATE_ACTIVATED)
1643                 return FALSE;
1644
1645         if (rstn_value->rstn_type == STC_RSTN_TYPE_ACCEPT)
1646                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1647         else
1648                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1649
1650         __print_rstn(rstn_key, rstn_value);
1651
1652         return FALSE;
1653 }
1654
1655 //LCOV_EXCL_START
1656 static gboolean __add_restriction(gpointer key, gpointer value, gpointer data)
1657 {
1658         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1659         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1660
1661         /* rstn rule is activated */
1662         if (rstn_value->rstn_state == STC_RSTN_STATE_ACTIVATED)
1663                 return FALSE;
1664
1665         if (rstn_value->rstn_type == STC_RSTN_TYPE_ACCEPT)
1666                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1667         else
1668                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1669
1670         return FALSE;
1671 }
1672 //LCOV_EXCL_STOP
1673
1674 static stc_error_e __rstn_tree_remove(stc_rstn_key_s *key)
1675 {
1676         stc_rstn_value_s *lookup_value;
1677
1678         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1679
1680         lookup_value = __rstn_lookup(g_system->rstns, key);
1681         if (!lookup_value) {
1682                 STC_LOGE("key not found"); //LCOV_EXCL_LINE
1683                 return STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
1684         }
1685
1686         /* remove counter also */
1687         table_counters_delete(lookup_value->restriction_id);
1688         __remove_restriction(key, lookup_value, NULL);
1689
1690         if (!g_tree_remove(g_system->rstns, key)) {
1691                 STC_LOGD("key not found"); //LCOV_EXCL_LINE
1692                 return STC_ERROR_NO_DATA; //LCOV_EXCL_LINE
1693         }
1694
1695         return STC_ERROR_NONE;
1696 }
1697
1698 static stc_error_e __rstn_tree_add(stc_rstn_key_s *key,
1699                                    stc_rstn_value_s *value, gboolean debug)
1700 {
1701         stc_rstn_key_s *rstn_key;
1702         stc_rstn_value_s *rstn_value;
1703
1704         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1705
1706         rstn_value = __rstn_lookup(g_system->rstns, key);
1707         if (rstn_value)
1708                 __rstn_tree_remove(key);
1709
1710         rstn_key = MALLOC0(stc_rstn_key_s, 1);
1711         if (!rstn_key) {
1712                 STC_LOGE("rstn_key allocation failed"); //LCOV_EXCL_LINE
1713                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1714         }
1715
1716         rstn_value = MALLOC0(stc_rstn_value_s, 1);
1717         if (!rstn_value) {
1718                 STC_LOGE("rstn_value allocation failed"); //LCOV_EXCL_LINE
1719                 FREE(rstn_key); //LCOV_EXCL_LINE
1720                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
1721         }
1722
1723         rstn_key->app_id = g_strdup(key->app_id);
1724         rstn_key->ifname = g_strdup(key->ifname);
1725         rstn_key->subscriber_id = g_strdup(key->subscriber_id);
1726         rstn_key->iftype = key->iftype;
1727         rstn_key->roaming = key->roaming;
1728
1729         g_tree_insert(g_system->rstns, rstn_key, rstn_value);
1730
1731         rstn_value->restriction_id = value->restriction_id;
1732         rstn_value->rstn_state = value->rstn_state;
1733         rstn_value->rstn_type = value->rstn_type;
1734         rstn_value->classid = value->classid;
1735
1736         int i;
1737         for (i = 0; i < STC_RSTN_LIMIT_TYPE_MAX; i++) {
1738                 rstn_value->limit[i] = value->limit[i];
1739                 rstn_value->counter[i] = 0;
1740         }
1741
1742         rstn_value->limit_exceeded = 0;
1743         rstn_value->limit_notified = 0;
1744         rstn_value->month_start_date = value->month_start_date;
1745         rstn_value->month_start_ts = value->month_start_ts;
1746
1747         if (debug == TRUE)
1748                 __add_restriction_debug(key, rstn_value, NULL);
1749         else
1750                 __add_restriction(key, rstn_value, NULL);
1751
1752         return STC_ERROR_NONE;
1753 }
1754
1755 //LCOV_EXCL_START
1756 static stc_cb_ret_e __insert_restriction_cb(const table_restrictions_info *info,
1757                                             void *user_data)
1758 {
1759         stc_cb_ret_e ret = STC_CONTINUE;
1760
1761         stc_rstn_key_s key;
1762         stc_rstn_value_s value;
1763
1764         memset(&key, 0, sizeof(stc_rstn_key_s));
1765         memset(&value, 0, sizeof(stc_rstn_value_s));
1766
1767         key.app_id = g_strdup(info->app_id);
1768         key.ifname = g_strdup(info->ifname);
1769         key.subscriber_id = g_strdup(info->subscriber_id);
1770         key.iftype = info->iftype;
1771         key.roaming = info->roaming;
1772
1773         value.rstn_type = info->rstn_type;
1774         value.rstn_state = STC_RSTN_STATE_UNKNOWN;
1775         value.restriction_id = info->restriction_id;
1776
1777         if (info->app_id)
1778                 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1779         else
1780                 value.classid = STC_UNKNOWN_CLASSID;
1781
1782         value.limit[STC_RSTN_LIMIT_TYPE_DATA] = info->data_limit;
1783         value.limit[STC_RSTN_LIMIT_TYPE_DATA_WARN] = info->data_warn_limit;
1784         value.limit[STC_RSTN_LIMIT_TYPE_MONTHLY] = info->monthly_limit;
1785         value.limit[STC_RSTN_LIMIT_TYPE_WEEKLY] = info->weekly_limit;
1786         value.limit[STC_RSTN_LIMIT_TYPE_DAILY] = info->daily_limit;
1787
1788         if (__rstn_tree_add(&key, &value, FALSE) != STC_ERROR_NONE)
1789                 ret = STC_CANCEL;
1790
1791         FREE(key.app_id);
1792         FREE(key.ifname);
1793         FREE(key.subscriber_id);
1794         return ret;
1795 }
1796
1797 static void __fill_restritions_list(void)
1798 {
1799         table_restrictions_foreach(__insert_restriction_cb, NULL);
1800
1801         /* __rstn_tree_printall(); */
1802 }
1803
1804 static gboolean __add_rstn_foreach_application(gpointer key,
1805                                                gpointer value,
1806                                                gpointer data)
1807 {
1808         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1809         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1810         gchar *app_id = (gchar *)data;
1811
1812         /* rstn rule is not for applications */
1813         if (rstn_key->app_id == NULL)
1814                 goto out;
1815
1816         /* rstn rule is not for this application */
1817         if (g_strcmp0(rstn_key->app_id, app_id) != 0)
1818                 goto out;
1819
1820         /* rstn rule is already applied */
1821         if (rstn_value->rstn_state == STC_RSTN_STATE_ACTIVATED)
1822                 goto out;
1823
1824         /* add restriction to system */
1825         if (rstn_value->rstn_type == STC_RSTN_TYPE_ACCEPT)
1826                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, NULL);
1827         else
1828                 __process_restriction(RST_SET, rstn_key, rstn_value, NULL);
1829
1830         __print_rstn(rstn_key, rstn_value);
1831 out:
1832         return FALSE;
1833 }
1834 //LCOV_EXCL_STOP
1835
1836 static void __add_rstns_for_application(gchar *app_id)
1837 {
1838         g_tree_foreach(g_system->rstns, __add_rstn_foreach_application,
1839                        app_id);
1840 }
1841
1842 static void __add_application_by_interface(const char *app_id)
1843 {
1844         stc_app_key_s app_key;
1845         stc_app_value_s app_value;
1846
1847         if (app_id == NULL)
1848                 return; //LCOV_EXCL_LINE
1849
1850         memset(&app_key, 0, sizeof(stc_app_key_s));
1851         memset(&app_value, 0, sizeof(stc_app_value_s));
1852
1853         app_key.pkg_id = g_strdup(app_id);
1854         app_key.app_id = g_strdup(app_id);
1855
1856         app_value.type = STC_APP_TYPE_NONE;
1857         app_value.processes = NULL;
1858         app_value.counter.in_bytes = 0;
1859         app_value.counter.out_bytes = 0;
1860
1861         stc_monitor_application_add(app_key, app_value);
1862
1863         FREE(app_key.pkg_id);
1864         FREE(app_key.app_id);
1865 }
1866
1867 static int __vconf_get_int(const char *key, int *value)
1868 {
1869         int ret = 0;
1870
1871         ret = vconf_get_int(key, value);
1872         if (ret != VCONF_OK) {
1873                 STC_LOGE("Failed to get vconfkey [%s] value", key); //LCOV_EXCL_LINE
1874                 return -1; //LCOV_EXCL_LINE
1875         }
1876
1877         return 0;
1878 }
1879
1880 //LCOV_EXCL_START
1881 static int __vconf_set_int(const char *key, int value)
1882 {
1883         int ret = 0;
1884
1885         ret = vconf_set_int(key, value);
1886         if (ret != VCONF_OK) {
1887                 STC_LOGE("Failed to set vconfkey [%s] value", key); //LCOV_EXCL_LINE
1888                 return -1; //LCOV_EXCL_LINE
1889         }
1890
1891         return 0;
1892 }
1893
1894 static guint __get_background_state(void)
1895 {
1896         return g_system->background_state;;
1897 }
1898
1899 static void __set_background_state(guint state)
1900 {
1901         g_system->background_state = state;
1902 }
1903
1904 static gboolean __processes_tree_foreach_background(gpointer key,
1905                                                     gpointer value,
1906                                                     gpointer data)
1907 {
1908         stc_process_key_s *proc_key = (stc_process_key_s *)key;
1909         stc_app_key_s *app_key = (stc_app_key_s *)data;
1910
1911         if (g_system->background_state)
1912                 place_pids_to_net_cgroup(proc_key->pid, STC_BACKGROUND_APP_ID);
1913         else
1914                 place_pids_to_net_cgroup(proc_key->pid, app_key->app_id);
1915
1916         return FALSE;
1917 }
1918
1919 static gboolean __apps_tree_foreach_background(gpointer key, gpointer value,
1920                                         gpointer data)
1921 {
1922         stc_app_key_s *app_key = (stc_app_key_s *)key;
1923         stc_app_value_s *app_value = (stc_app_value_s *)value;
1924
1925         if (strstr(app_key->app_id, STC_BACKGROUND_APP_SUFFIX))
1926                 g_tree_foreach(app_value->processes,
1927                                __processes_tree_foreach_background, app_key);
1928
1929         return FALSE;
1930 }
1931
1932 static stc_error_e __process_update_background(void)
1933 {
1934         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1935
1936         g_tree_foreach(g_system->apps, __apps_tree_foreach_background, NULL);
1937
1938         return STC_ERROR_NONE;
1939 }
1940 //LCOV_EXCL_STOP
1941
1942 static void __fill_exceptions_list(void)
1943 {
1944         stc_plugin_fill_exception_list();
1945 }
1946
1947 stc_error_e stc_monitor_init(void)
1948 {
1949         stc_system_s *system = MALLOC0(stc_system_s, 1);
1950         GIOChannel *gio = NULL;
1951
1952         ret_value_msg_if(system == NULL, STC_ERROR_OUT_OF_MEMORY, "stc_system_s malloc fail!");
1953
1954         /* initializing current classid */
1955         init_current_classid();
1956
1957         /* initializing cgroups */
1958         cgroup_init();
1959
1960         /* creating monitored application tree */
1961         system->apps = g_tree_new_full(__apps_tree_key_compare, NULL,
1962                                        __apps_tree_key_free,
1963                                        __apps_tree_value_free);
1964
1965         system->rstns = g_tree_new_full(__rstns_tree_key_compare, NULL,
1966                                         __rstns_tree_key_free,
1967                                         __rstns_tree_value_free);
1968
1969         /* create netlink socket for updating kernel counters */
1970         system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
1971         if (system->contr_sock < 0) {
1972                 STC_LOGE("failed to open socket"); //LCOV_EXCL_LINE
1973                 FREE(system); //LCOV_EXCL_LINE
1974                 return STC_ERROR_FAIL; //LCOV_EXCL_LINE
1975         }
1976
1977         gio = g_io_channel_unix_new(system->contr_sock);
1978         system->contr_gsource_id =
1979                 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
1980                                (GIOFunc) __process_contr_reply,
1981                                NULL);
1982         g_io_channel_unref(gio);
1983
1984         g_system = system;
1985
1986         __add_application_by_interface(STC_TOTAL_DATACALL);
1987         __add_application_by_interface(STC_TOTAL_WIFI);
1988         __add_application_by_interface(STC_TOTAL_BLUETOOTH);
1989         __add_application_by_interface(STC_TOTAL_IPV4);
1990         __add_application_by_interface(STC_TOTAL_IPV6);
1991         __add_application_by_interface(STC_TOTAL_TETHERING);
1992
1993         /* creating restriction rules tree */
1994         __update_contr_cb(NULL);
1995
1996         /* registering periodic kernel counters update callback */
1997         g_system->contr_timer_id = g_timeout_add_seconds(CONTR_TIMER_INTERVAL,
1998                                                          __update_contr_cb,
1999                                                          NULL);
2000         if (g_system->contr_timer_id == 0) {
2001                 STC_LOGE("Failed to register kernel counters update timer"); //LCOV_EXCL_LINE
2002                 __close_contr_sock(g_system); //LCOV_EXCL_LINE
2003                 return STC_ERROR_FAIL; //LCOV_EXCL_LINE
2004         }
2005
2006         __vconf_get_int(VCONFKEY_STC_BACKGROUND_STATE,
2007                         (int *)&g_system->background_state);
2008
2009         __fill_exceptions_list();
2010         __fill_restritions_list();
2011
2012         return STC_ERROR_NONE;
2013 }
2014
2015 stc_error_e stc_monitor_deinit(void)
2016 {
2017         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
2018
2019         /* close netlink socket for updating kernel counters */
2020         __close_contr_sock(g_system);
2021
2022         /* remove kernel counters update timer */
2023         if (g_system->contr_timer_id > 0) {
2024                 g_source_remove(g_system->contr_timer_id);
2025                 g_system->contr_timer_id = 0;
2026         }
2027
2028         /* destroy monitored application tree */
2029         g_tree_destroy(g_system->apps);
2030         g_system->apps = NULL;
2031
2032         /* destroy restriction rules tree */
2033         g_tree_destroy(g_system->rstns);
2034         g_system->rstns = NULL;
2035
2036         FREE(g_system);
2037
2038         return STC_ERROR_NONE;
2039 }
2040
2041 API stc_error_e stc_monitor_application_add(const stc_app_key_s app_key,
2042                                         const stc_app_value_s app_value)
2043 {
2044         stc_error_e ret = STC_ERROR_NONE;
2045         stc_app_key_s *key;
2046         stc_app_value_s *value;
2047         stc_app_value_s *lookup;
2048
2049         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
2050
2051         lookup = __application_lookup(g_system->apps, &app_key);
2052         if (lookup)
2053                 return STC_ERROR_NONE; //LCOV_EXCL_LINE
2054
2055         key = MALLOC0(stc_app_key_s, 1);
2056         if (!key) {
2057                 STC_LOGE("key allocation failed"); //LCOV_EXCL_LINE
2058                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
2059         }
2060
2061         value = MALLOC0(stc_app_value_s, 1);
2062         if (!value) {
2063                 STC_LOGE("value allocation failed"); //LCOV_EXCL_LINE
2064                 FREE(key); //LCOV_EXCL_LINE
2065                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
2066         }
2067
2068         key->app_id = g_strdup(app_key.app_id);
2069         key->pkg_id = g_strdup(app_key.pkg_id);
2070
2071         value->type = app_value.type;
2072         value->data_usage.in_bytes = app_value.data_usage.in_bytes;
2073         value->data_usage.out_bytes = app_value.data_usage.out_bytes;
2074
2075         value->processes = g_tree_new_full(__processes_tree_key_compare, NULL,
2076                                            __processes_tree_key_free,
2077                                            __processes_tree_value_free);
2078
2079         /* create cgroup and update classid */
2080         value->classid = get_classid_by_app_id(app_key.app_id, TRUE);
2081
2082         g_tree_insert(g_system->apps, key, value);
2083
2084         /* add nfacct rule for this classid */
2085         __add_application_monitor(key, value, stc_get_default_connection());
2086         __add_rstns_for_application(app_key.app_id);
2087
2088         return ret;
2089 }
2090
2091 API stc_error_e stc_monitor_process_add(const stc_app_key_s app_key,
2092                                     const stc_process_key_s proc_key,
2093                                     const stc_process_value_s proc_value)
2094 {
2095         stc_error_e ret = STC_ERROR_NONE;
2096         stc_app_value_s *app_lookup;
2097         stc_process_key_s *key;
2098         stc_process_value_s *value;
2099         stc_process_value_s *proc_lookup;
2100
2101         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
2102
2103         app_lookup = __application_lookup(g_system->apps, &app_key);
2104         if (!app_lookup) {
2105                 if (STC_DEBUG_LOG)
2106                         STC_LOGD("app_key not found"); //LCOV_EXCL_LINE
2107                 return STC_ERROR_FAIL; //LCOV_EXCL_LINE
2108         }
2109
2110         proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
2111         if (proc_lookup)
2112                 return STC_ERROR_NONE; //LCOV_EXCL_LINE
2113
2114         key = MALLOC0(stc_process_key_s, 1);
2115         if (!key) {
2116                 STC_LOGE("key allocation failed"); //LCOV_EXCL_LINE
2117                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
2118         }
2119
2120         value = MALLOC0(stc_process_value_s, 1);
2121         if (!value) {
2122                 STC_LOGE("value allocation failed"); //LCOV_EXCL_LINE
2123                 FREE(key); //LCOV_EXCL_LINE
2124                 return STC_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
2125         }
2126
2127         key->pid = proc_key.pid;
2128
2129         value->ground = proc_value.ground;
2130
2131         g_tree_insert(app_lookup->processes, key, value);
2132
2133         /* add pid to application cgroup */
2134         place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
2135
2136         /*
2137         __apps_tree_printall(); //LCOV_EXCL_LINE
2138         */
2139
2140         return ret;
2141 }
2142
2143 API stc_error_e stc_monitor_process_remove(pid_t pid)
2144 {
2145         stc_error_e ret = STC_ERROR_NONE;
2146         stc_process_key_s proc_key = {
2147                 .pid = pid
2148         };
2149
2150         remove_pid_context_s context = {
2151                 .app_key = NULL,
2152                 .proc_key = &proc_key,
2153                 .entry_removed = FALSE,
2154         };
2155
2156         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
2157
2158         g_tree_foreach(g_system->apps, __apps_tree_foreach_remove_pid,
2159                        &context);
2160
2161         if (context.entry_removed)
2162                 __application_remove_if_empty(context.app_key);
2163
2164         /*
2165         __apps_tree_printall(); //LCOV_EXCL_LINE
2166         */
2167
2168         return ret;
2169 }
2170
2171 //LCOV_EXCL_START
2172 API stc_error_e stc_monitor_process_update_ground(const stc_app_key_s app_key,
2173                                               const stc_process_key_s proc_key,
2174                                               stc_app_state_e ground)
2175 {
2176         stc_error_e ret = STC_ERROR_NONE;
2177         stc_app_value_s *app_lookup;
2178         stc_process_value_s *proc_lookup;
2179
2180         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
2181
2182         app_lookup = __application_lookup(g_system->apps, &app_key);
2183         if (!app_lookup) {
2184                 STC_LOGD("app_key not found");
2185                 return STC_ERROR_FAIL;
2186         }
2187
2188         proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
2189         if (!proc_lookup) {
2190                 STC_LOGD("proc_key not found");
2191                 return STC_ERROR_FAIL;
2192         }
2193
2194         if (proc_lookup->ground != ground)
2195                 proc_lookup->ground = ground;
2196
2197         if (ground == STC_APP_STATE_BACKGROUND && __get_background_state())
2198                 place_pids_to_net_cgroup(proc_key.pid, STC_BACKGROUND_APP_ID);
2199         else
2200                 place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
2201
2202         return ret;
2203 }
2204 //LCOV_EXCL_STOP
2205
2206 void stc_monitor_update_rstn_by_default_connection(void *data)
2207 {
2208         static default_connection_s old_connection;
2209         default_connection_s *new_connection = (default_connection_s *)data;
2210
2211         if (old_connection.path != NULL) {
2212                 //LCOV_EXCL_START
2213                 if (g_system->apps)
2214                         g_tree_foreach(g_system->apps,
2215                                        __remove_application_monitor,
2216                                        (gpointer)&old_connection);
2217
2218                 if (g_system->rstns)
2219                         g_tree_foreach(g_system->rstns,
2220                                        __remove_restriction,
2221                                        (gpointer)&old_connection);
2222
2223                 iptables_flush_chains();
2224                 //LCOV_EXCL_STOP
2225         }
2226
2227         FREE(old_connection.path);
2228         FREE(old_connection.ifname);
2229         FREE(old_connection.tether_iface.ifname);
2230         old_connection.type = 0;
2231         old_connection.roaming = 0;
2232         old_connection.tether_state = FALSE;
2233         old_connection.tether_iface.type = 0;
2234
2235         if (new_connection != NULL && new_connection->path != NULL) {
2236                 if (g_system->apps)
2237                         g_tree_foreach(g_system->apps,
2238                                        __add_application_monitor,
2239                                        (gpointer)new_connection);
2240
2241                 if (g_system->rstns)
2242                         g_tree_foreach(g_system->rstns, __add_restriction,
2243                                        NULL);
2244
2245                 old_connection.path = g_strdup(new_connection->path);
2246                 old_connection.ifname = g_strdup(new_connection->ifname);
2247                 old_connection.tether_iface.ifname = g_strdup(new_connection->tether_iface.ifname);
2248                 old_connection.type = new_connection->type;
2249                 old_connection.roaming = new_connection->roaming;
2250                 old_connection.tether_state = new_connection->tether_state;
2251                 old_connection.tether_iface.type = new_connection->tether_iface.type;
2252         }
2253 }
2254
2255 stc_error_e stc_monitor_rstns_tree_add(const table_restrictions_info *info)
2256 {
2257         stc_error_e ret;
2258
2259         stc_rstn_key_s key;
2260         stc_rstn_value_s value;
2261
2262         memset(&key, 0, sizeof(stc_rstn_key_s));
2263         memset(&value, 0, sizeof(stc_rstn_value_s));
2264
2265         key.app_id = g_strdup(info->app_id);
2266         key.ifname = g_strdup(info->ifname);
2267         key.subscriber_id = g_strdup(info->subscriber_id);
2268         key.iftype = info->iftype;
2269         key.roaming = info->roaming;
2270
2271         value.rstn_type = info->rstn_type;
2272         value.rstn_state = STC_RSTN_STATE_UNKNOWN;
2273         value.restriction_id = info->restriction_id;
2274
2275         if (info->app_id)
2276                 value.classid = get_classid_by_app_id(info->app_id, TRUE);
2277         else
2278                 value.classid = STC_UNKNOWN_CLASSID;
2279
2280         if (value.classid == STC_BACKGROUND_APP_CLASSID) {
2281                 __set_background_state(TRUE); //LCOV_EXCL_LINE
2282                 __vconf_set_int(VCONFKEY_STC_BACKGROUND_STATE, g_system->background_state); //LCOV_EXCL_LINE
2283                 __process_update_background(); //LCOV_EXCL_LINE
2284         }
2285
2286         value.limit[STC_RSTN_LIMIT_TYPE_DATA] = info->data_limit;
2287         value.limit[STC_RSTN_LIMIT_TYPE_DATA_WARN] = info->data_warn_limit;
2288         value.limit[STC_RSTN_LIMIT_TYPE_MONTHLY] = info->monthly_limit;
2289         value.limit[STC_RSTN_LIMIT_TYPE_WEEKLY] = info->weekly_limit;
2290         value.limit[STC_RSTN_LIMIT_TYPE_DAILY] = info->daily_limit;
2291         value.month_start_date = info->month_start_date;
2292         value.month_start_ts = stc_time_get_month_start(time(NULL),
2293                                                                                 info->month_start_date);
2294
2295         ret = __rstn_tree_add(&key, &value, TRUE);
2296
2297         FREE(key.app_id);
2298         FREE(key.ifname);
2299         FREE(key.subscriber_id);
2300         return ret;
2301 }
2302
2303 stc_error_e stc_monitor_rstns_tree_remove(const table_restrictions_info *info)
2304 {
2305         stc_error_e ret;
2306
2307         stc_rstn_key_s key = {
2308                 .app_id = g_strdup(info->app_id),
2309                 .ifname = g_strdup(info->ifname),
2310                 .subscriber_id = g_strdup(info->subscriber_id),
2311                 .iftype = info->iftype,
2312                 .roaming = info->roaming,
2313         };
2314
2315         if (!strcmp(key.app_id, STC_BACKGROUND_APP_ID)) {
2316                 __set_background_state(FALSE); //LCOV_EXCL_LINE
2317                 __vconf_set_int(VCONFKEY_STC_BACKGROUND_STATE, g_system->background_state); //LCOV_EXCL_LINE
2318                 __process_update_background(); //LCOV_EXCL_LINE
2319         }
2320
2321         ret = __rstn_tree_remove(&key);
2322
2323         FREE(key.app_id);
2324         FREE(key.ifname);
2325         FREE(key.subscriber_id);
2326         return ret;
2327 }
2328
2329 API stc_error_e stc_monitor_check_excn_by_cmdline(char *cmdline)
2330 {
2331         return stc_plugin_check_exception_by_cmdline(cmdline);
2332 }
2333
2334 int stc_monitor_get_counter_socket(void)
2335 {
2336         return g_system->contr_sock;
2337 }