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