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-exception.h"
  31 #include "stc-monitor.h"
  32 #include "stc-manager-plugin.h"
  33
  34 #define MAX_INT_LENGTH 128
  35 #define VCONFKEY_STC_BACKGROUND_STATE "db/stc/background_state"
  36
  37 typedef struct {
  38         stc_app_key_s *app_key;
  39         stc_process_key_s *proc_key;
  40         gboolean entry_removed;
  41 } remove_pid_context_s;
  42
  43 typedef struct {
  44         struct nfacct_rule *counter;
  45         int64_t bytes;
  46         gboolean data_limit_reached;
  47 } classid_bytes_context_s;
  48
  49 static stc_system_s *g_system = NULL;
  50
  51 static nfacct_rule_jump __get_jump_by_intend(struct nfacct_rule *counter)
  52 {
  53         if (counter->intend == NFACCT_WARN)
  54                 return NFACCT_JUMP_ACCEPT;
  55         else if (counter->intend == NFACCT_BLOCK)
  56                 return NFACCT_JUMP_REJECT;
  57
  58         return NFACCT_JUMP_UNKNOWN;
  59 }
  60
  61 static stc_error_e __add_iptables_in(struct nfacct_rule *counter)
  62 {
  63         if (counter == NULL)
  64                 return STC_ERROR_INVALID_PARAMETER;
  65
  66         counter->action = NFACCT_ACTION_INSERT;
  67         counter->iotype = NFACCT_COUNTER_IN;
  68         counter->jump = __get_jump_by_intend(counter);
  69         counter->iptype = NFACCT_TYPE_IPV4;
  70         counter->send_limit = 0;
  71         counter->rcv_limit = 0;
  72
  73         return produce_net_rule(counter);
  74 }
  75
  76 static stc_error_e __add_iptables_out(struct nfacct_rule *counter)
  77 {
  78         if (counter == NULL)
  79                 return STC_ERROR_INVALID_PARAMETER;
  80
  81         counter->action = NFACCT_ACTION_INSERT;
  82         counter->iotype = NFACCT_COUNTER_OUT;
  83         counter->jump = __get_jump_by_intend(counter);
  84         counter->iptype = NFACCT_TYPE_IPV4;
  85         counter->send_limit = 0;
  86         counter->rcv_limit = 0;
  87
  88         return produce_net_rule(counter);
  89 }
  90
  91 static stc_error_e __del_iptables_in(struct nfacct_rule *counter)
  92 {
  93         if (counter == NULL)
  94                 return STC_ERROR_INVALID_PARAMETER;
  95
  96         counter->action = NFACCT_ACTION_DELETE;
  97         counter->iotype = NFACCT_COUNTER_IN;
  98         counter->jump = __get_jump_by_intend(counter);
  99         counter->iptype = NFACCT_TYPE_IPV4;
 100         counter->send_limit = 0;
 101         counter->rcv_limit = 0;
 102
 103         return produce_net_rule(counter);
 104 }
 105
 106 static stc_error_e __del_iptables_out(struct nfacct_rule *counter)
 107 {
 108         if (counter == NULL)
 109                 return STC_ERROR_INVALID_PARAMETER;
 110
 111         counter->action = NFACCT_ACTION_DELETE;
 112         counter->iotype = NFACCT_COUNTER_OUT;
 113         counter->jump = __get_jump_by_intend(counter);
 114         counter->iptype = NFACCT_TYPE_IPV4;
 115         counter->send_limit = 0;
 116         counter->rcv_limit = 0;
 117
 118         return produce_net_rule(counter);
 119 }
 120
 121 static stc_error_e __add_ip6tables_in(struct nfacct_rule *counter)
 122 {
 123         if (counter == NULL)
 124                 return STC_ERROR_INVALID_PARAMETER;
 125
 126         counter->action = NFACCT_ACTION_INSERT;
 127         counter->iotype = NFACCT_COUNTER_IN;
 128         counter->jump = __get_jump_by_intend(counter);
 129         counter->iptype = NFACCT_TYPE_IPV6;
 130         counter->send_limit = 0;
 131         counter->rcv_limit = 0;
 132
 133         return produce_net_rule(counter);
 134 }
 135
 136 static stc_error_e __add_ip6tables_out(struct nfacct_rule *counter)
 137 {
 138         if (counter == NULL)
 139                 return STC_ERROR_INVALID_PARAMETER;
 140
 141         counter->action = NFACCT_ACTION_INSERT;
 142         counter->iotype = NFACCT_COUNTER_OUT;
 143         counter->jump = __get_jump_by_intend(counter);
 144         counter->iptype = NFACCT_TYPE_IPV6;
 145         counter->send_limit = 0;
 146         counter->rcv_limit = 0;
 147
 148         return produce_net_rule(counter);
 149 }
 150
 151 static stc_error_e __del_ip6tables_in(struct nfacct_rule *counter)
 152 {
 153         if (counter == NULL)
 154                 return STC_ERROR_INVALID_PARAMETER;
 155
 156         counter->action = NFACCT_ACTION_DELETE;
 157         counter->iotype = NFACCT_COUNTER_IN;
 158         counter->jump = __get_jump_by_intend(counter);
 159         counter->iptype = NFACCT_TYPE_IPV6;
 160         counter->send_limit = 0;
 161         counter->rcv_limit = 0;
 162
 163         return produce_net_rule(counter);
 164 }
 165
 166 static stc_error_e __del_ip6tables_out(struct nfacct_rule *counter)
 167 {
 168         if (counter == NULL)
 169                 return STC_ERROR_INVALID_PARAMETER;
 170
 171         counter->action = NFACCT_ACTION_DELETE;
 172         counter->iotype = NFACCT_COUNTER_OUT;
 173         counter->jump = __get_jump_by_intend(counter);
 174         counter->iptype = NFACCT_TYPE_IPV6;
 175         counter->send_limit = 0;
 176         counter->rcv_limit = 0;
 177
 178         return produce_net_rule(counter);
 179 }
 180
 181 static int __processes_tree_key_compare(gconstpointer a, gconstpointer b,
 182                                         gpointer UNUSED user_data)
 183 {
 184         stc_process_key_s *key_a = (stc_process_key_s *)a;
 185         stc_process_key_s *key_b = (stc_process_key_s *)b;
 186
 187         return key_a->pid - key_b->pid;
 188 }
 189
 190 static void __processes_tree_value_free(gpointer data)
 191 {
 192         stc_process_value_s *value = (stc_process_value_s *)data;
 193
 194         FREE(value);
 195 }
 196
 197 static void __processes_tree_key_free(gpointer data)
 198 {
 199         stc_process_key_s *key = (stc_process_key_s *)data;
 200
 201         FREE(key);
 202 }
 203
 204 static int __apps_tree_key_compare(gconstpointer a, gconstpointer b,
 205                                    gpointer UNUSED user_data)
 206 {
 207         stc_app_key_s *key_a = (stc_app_key_s *)a;
 208         stc_app_key_s *key_b = (stc_app_key_s *)b;
 209         gint ret;
 210
 211         ret = g_strcmp0(key_a->pkg_id, key_b->pkg_id);
 212         if (ret)
 213                 return ret;
 214
 215         return g_strcmp0(key_a->app_id, key_b->app_id);
 216 }
 217
 218 static void __apps_tree_value_free(gpointer data)
 219 {
 220         stc_app_value_s *value = (stc_app_value_s *)data;
 221
 222         g_tree_destroy(value->processes);
 223         value->processes = NULL;
 224
 225         FREE(value);
 226 }
 227
 228 static void __apps_tree_key_free(gpointer data)
 229 {
 230         stc_app_key_s *key = (stc_app_key_s *)data;
 231
 232         g_free(key->pkg_id);
 233         g_free(key->app_id);
 234         FREE(key);
 235 }
 236
 237 static int __rstns_tree_key_compare(gconstpointer a, gconstpointer b,
 238                                     gpointer UNUSED user_data)
 239 {
 240         stc_rstn_key_s *key_a = (stc_rstn_key_s *)a;
 241         stc_rstn_key_s *key_b = (stc_rstn_key_s *)b;
 242         int ret;
 243
 244         ret = g_strcmp0(key_a->app_id, key_b->app_id);
 245         if (ret != 0)
 246                 return ret;
 247
 248         ret = g_strcmp0(key_a->ifname, key_b->ifname);
 249         if (ret != 0)
 250                 return ret;
 251
 252         ret = g_strcmp0(key_a->subscriber_id, key_b->subscriber_id);
 253         if (ret != 0)
 254                 return ret;
 255
 256         ret = key_a->iftype - key_b->iftype;
 257         if (ret != 0)
 258                 return ret;
 259
 260         return 0;
 261 }
 262
 263 static void __rstns_tree_value_free(gpointer data)
 264 {
 265         stc_rstn_value_s *value = (stc_rstn_value_s *)data;
 266
 267         FREE(value);
 268 }
 269
 270 static void __rstns_tree_key_free(gpointer data)
 271 {
 272         stc_rstn_key_s *key = (stc_rstn_key_s *)data;
 273
 274         FREE(key->app_id);
 275         FREE(key->ifname);
 276         FREE(key->subscriber_id);
 277         FREE(key);
 278 }
 279
 280 static gboolean __processes_tree_foreach_print(gpointer key, gpointer value,
 281                                                gpointer data)
 282 {
 283         stc_process_key_s *proc_key = (stc_process_key_s *)key;
 284         stc_process_value_s *proc_value = (stc_process_value_s *)value;
 285
 286         STC_LOGD("Process entry => PID [\033[1;33m%d\033[0;m], Ground state [%d]",
 287                  proc_key->pid, proc_value->ground);
 288         return FALSE;
 289 }
 290
 291 static void __processes_tree_printall(GTree *processes)
 292 {
 293         g_tree_foreach(processes, __processes_tree_foreach_print, NULL);
 294 }
 295
 296 static gboolean __apps_tree_foreach_print(gpointer key, gpointer value,
 297                                           gpointer data)
 298 {
 299         stc_app_key_s *app_key = (stc_app_key_s *)key;
 300         stc_app_value_s *app_value = (stc_app_value_s *)value;
 301
 302         STC_LOGD("Application info => Pkg ID [\033[0;34m%s\033[0;m], "
 303                  "App ID [\033[0;32m%s\033[0;m], Type [%d], classid [%d],"
 304                  " counter [ in (%lld), out (%lld)]",
 305                  app_key->pkg_id, app_key->app_id,
 306                  app_value->type, app_value->classid,
 307                  app_value->data_usage.in_bytes, app_value->data_usage.out_bytes);
 308
 309         __processes_tree_printall(app_value->processes);
 310         return FALSE;
 311 }
 312
 313 static void __apps_tree_printall(void)
 314 {
 315         g_tree_foreach(g_system->apps, __apps_tree_foreach_print, NULL);
 316 }
 317
 318 static gboolean __apps_tree_foreach_remove_pid(gpointer key, gpointer value,
 319                                                gpointer data)
 320 {
 321         remove_pid_context_s *context = (remove_pid_context_s *)data;
 322         stc_app_value_s *app_value = (stc_app_value_s *)value;
 323
 324         if (!g_tree_remove(app_value->processes, context->proc_key)) {
 325                 if (STC_DEBUG_LOG)
 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], subscriber_id [%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->subscriber_id);
 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                         if (!stc) {
 531                                 g_free(default_ifname);
 532                                 return;
 533                         }
 534
 535                         if (!stc->carg) {
 536                                 stc->carg = MALLOC0(counter_arg_s, 1);
 537                                 if (stc->carg == NULL) {
 538                                         g_free(default_ifname);
 539                                         return;
 540                                 }
 541
 542                                 stc->carg->sock =
 543                                         stc_monitor_get_counter_socket();
 544                         }
 545
 546                         counter.carg = stc->carg;
 547                         counter.classid = rstn_value->classid;
 548                         counter.intend = NFACCT_BLOCK;
 549                         counter.iftype = rstn_key->iftype;
 550                         g_strlcpy(counter.ifname, default_ifname,
 551                                   MAX_IFACE_LENGTH);
 552
 553                         generate_counter_name(&counter);
 554                         g_free(default_ifname);
 555
 556                         /* iptables rule */
 557                         __add_iptables_in(&counter);
 558                         __add_iptables_out(&counter);
 559
 560                         /* ip6tables rule */
 561                         __add_ip6tables_in(&counter);
 562                         __add_ip6tables_out(&counter);
 563                 }
 564
 565                 rstn_value->rst_state = STC_RESTRICTION_ACTIVATED;
 566                 rstn_value->data_limit_reached = FALSE;
 567                 break;
 568         case RST_EXCLUDE:
 569                 ;//Do Nothing
 570                 break;
 571         case RST_UNSET:
 572                 {
 573                         char *default_ifname = stc_default_connection_get_ifname();
 574                         struct nfacct_rule counter;
 575                         stc_s *stc = stc_get_manager();
 576                         if (!stc) {
 577                                 g_free(default_ifname);
 578                                 return;
 579                         }
 580
 581                         if (!stc->carg) {
 582                                 stc->carg = MALLOC0(counter_arg_s, 1);
 583                                 if (stc->carg == NULL) {
 584                                         g_free(default_ifname);
 585                                         return;
 586                                 }
 587
 588                                 stc->carg->sock =
 589                                         stc_monitor_get_counter_socket();
 590                         }
 591
 592                         counter.carg = stc->carg;
 593                         counter.classid = rstn_value->classid;
 594                         counter.intend = NFACCT_BLOCK;
 595                         counter.iftype = rstn_key->iftype;
 596                         g_strlcpy(counter.ifname, default_ifname,
 597                                   MAX_IFACE_LENGTH);
 598
 599                         generate_counter_name(&counter);
 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                         rstn_value->rst_state = STC_RESTRICTION_REMOVED;
 611                         rstn_value->data_limit_reached = FALSE;
 612                 }
 613                 break;
 614         default:
 615                 ;//Do Nothing
 616         }
 617 }
 618
 619 static gboolean __remove_rstns_foreach_application(gpointer key,
 620                                                    gpointer value,
 621                                                    gpointer data)
 622 {
 623         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
 624         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 625         gchar *app_id = (gchar *)data;
 626
 627         /* rstn rule is not for applications */
 628         if (rstn_key->app_id == NULL)
 629                 goto out;
 630
 631         /* rstn rule is not for this application */
 632         if (g_strcmp0(rstn_key->app_id, app_id) != 0)
 633                 goto out;
 634
 635         /* rstn rule is already removed */
 636         if (rstn_value->rst_state == STC_RESTRICTION_REMOVED)
 637                 goto out;
 638
 639         /* remove restriction from system */
 640         __process_restriction(RST_UNSET, rstn_key, rstn_value, data);
 641
 642         __print_rstn(rstn_key, rstn_value);
 643 out:
 644         return FALSE;
 645 }
 646
 647 static void __remove_rstns_for_application(gchar *app_id)
 648 {
 649         g_tree_foreach(g_system->rstns, __remove_rstns_foreach_application,
 650                        app_id);
 651 }
 652
 653 static stc_error_e __application_remove_if_empty(const stc_app_key_s *app_key)
 654 {
 655         stc_error_e ret = STC_ERROR_NONE;
 656         guint pid_count = 0;
 657         stc_app_value_s *lookup;
 658
 659         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
 660
 661         lookup = __application_lookup(g_system->apps, app_key);
 662         if (!lookup) {
 663                 STC_LOGE("app_key not found");
 664                 return STC_ERROR_NO_DATA;
 665         }
 666
 667         g_tree_foreach(lookup->processes, __processes_tree_check_empty,
 668                        &pid_count);
 669
 670         if (!pid_count) {
 671                 /* remove nfacct rule for this classid */
 672                 __remove_application_monitor((gpointer) app_key, lookup,
 673                                              stc_get_default_connection());
 674                 __remove_rstns_for_application(app_key->app_id);
 675         }
 676
 677         if (!g_tree_remove(g_system->apps, app_key)) {
 678                 ret = STC_ERROR_NO_DATA;
 679                 STC_LOGE("key not found");
 680         }
 681
 682         return ret;
 683 }
 684
 685 static stc_error_e __close_contr_sock(stc_system_s *system)
 686 {
 687         ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
 688
 689         /* close netlink socket for updating kernel counters */
 690         if (system->contr_sock != -1) {
 691                 close(system->contr_sock);
 692                 system->contr_sock = -1;
 693         }
 694
 695         if (system->contr_gsource_id != 0) {
 696                 g_source_remove(system->contr_gsource_id);
 697                 system->contr_gsource_id = 0;
 698         }
 699
 700         return STC_ERROR_NONE;
 701 }
 702
 703 static gboolean __process_contr_reply(GIOChannel *source,
 704                                       GIOCondition condition,
 705                                       gpointer user_data);
 706
 707 static stc_error_e __close_and_reopen_contr_sock(stc_system_s *system)
 708 {
 709         GIOChannel *gio = NULL;
 710         ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
 711
 712         /* close netlink socket for updating kernel counters */
 713         if (system->contr_sock != -1) {
 714                 close(system->contr_sock);
 715                 system->contr_sock = -1;
 716         }
 717
 718         if (system->contr_gsource_id != 0) {
 719                 g_source_remove(system->contr_gsource_id);
 720                 system->contr_gsource_id = 0;
 721         }
 722
 723         /* create netlink socket for updating kernel counters */
 724         system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
 725         if (system->contr_sock < 0) {
 726                 STC_LOGE("failed to open socket");
 727                 FREE(system);
 728                 return STC_ERROR_FAIL;
 729         }
 730
 731         gio = g_io_channel_unix_new(system->contr_sock);
 732         system->contr_gsource_id =
 733                 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
 734                                (GIOFunc) __process_contr_reply,
 735                                NULL);
 736         g_io_channel_unref(gio);
 737
 738         return STC_ERROR_NONE;
 739 }
 740
 741 static gboolean __rstn_counter_update(stc_rstn_key_s *rstn_key,
 742                                       stc_rstn_value_s *rstn_value,
 743                                       classid_bytes_context_s *context)
 744 {
 745         switch (context->counter->iotype) {
 746         case NFACCT_COUNTER_IN:
 747         case NFACCT_COUNTER_OUT:
 748                 rstn_value->data_counter += context->bytes;
 749
 750                 if (rstn_value->data_counter >= rstn_value->data_warn_limit &&
 751                     rstn_value->warn_limit_crossed_notified == FALSE) {
 752
 753                         gboolean rv;
 754                         char iftype[MAX_INT_LENGTH];
 755                         char byte[MAX_INT_LENGTH];
 756                         stc_s *stc = (stc_s *)stc_get_manager();
 757                         ret_value_msg_if(stc == NULL, FALSE, "failed to get stc data");
 758
 759                         /* emit signal */
 760                         rv = stc_manager_dbus_emit_signal(stc->connection,
 761                                                           STC_DBUS_SERVICE_RESTRICTION_PATH,
 762                                                           STC_DBUS_INTERFACE_RESTRICTION,
 763                                                           "WarnThresholdCrossed",
 764                                                           g_variant_new("(si)", rstn_key->app_id, rstn_key->iftype));
 765                         if (rv == TRUE)
 766                                 rstn_value->warn_limit_crossed_notified = TRUE;
 767
 768                         snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
 769                         snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->data_warn_limit);
 770                         stc_send_warn_message_to_net_popup("warn threshold crossed",
 771                                                            "warning_noti",
 772                                                            rstn_key->app_id,
 773                                                            iftype, byte);
 774                 }
 775
 776                 if (rstn_value->data_counter >= rstn_value->data_limit &&
 777                     rstn_value->rstn_limit_crossed_notified == FALSE) {
 778
 779                         gboolean rv;
 780                         char iftype[MAX_INT_LENGTH];
 781                         char byte[MAX_INT_LENGTH];
 782                         stc_s *stc = (stc_s *)stc_get_manager();
 783                         ret_value_msg_if(stc == NULL, FALSE, "failed to get stc data");
 784
 785                         /* block immediately */
 786                         context->counter->intend = NFACCT_BLOCK;
 787                         __del_iptables_in(context->counter);
 788                         __del_iptables_out(context->counter);
 789                         __add_iptables_in(context->counter);
 790                         __add_iptables_out(context->counter);
 791
 792                         __del_ip6tables_in(context->counter);
 793                         __del_ip6tables_out(context->counter);
 794                         __add_ip6tables_in(context->counter);
 795                         __add_ip6tables_out(context->counter);
 796                         context->counter->intend = NFACCT_COUNTER;
 797
 798                         rstn_value->data_limit_reached = TRUE;
 799
 800                         /* emit signal */
 801                         rv = stc_manager_dbus_emit_signal(stc->connection,
 802                                                           STC_DBUS_SERVICE_RESTRICTION_PATH,
 803                                                           STC_DBUS_INTERFACE_RESTRICTION,
 804                                                           "RestrictionThresholdCrossed",
 805                                                           g_variant_new("(si)", rstn_key->app_id, rstn_key->iftype));
 806                         if (rv == TRUE)
 807                                 rstn_value->rstn_limit_crossed_notified = TRUE;
 808
 809                         snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
 810                         snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->data_limit);
 811                         stc_send_restriction_message_to_net_popup("restriction threshold crossed",
 812                                                                   "restriction_noti", rstn_key->app_id,
 813                                                                   iftype, byte);
 814                 }
 815
 816                 g_system->rstns_tree_updated = TRUE;
 817                 __print_rstn(rstn_key, rstn_value);
 818                 break;
 819         default:
 820                 STC_LOGE("unknown iotype");
 821         }
 822
 823         return FALSE;
 824 }
 825
 826 static gboolean __interface_rstn_counter_update(stc_rstn_key_s *rstn_key,
 827                                                 stc_rstn_value_s *rstn_value,
 828                                                 classid_bytes_context_s *context)
 829 {
 830         if ((rstn_value->classid == STC_TOTAL_DATACALL_CLASSID &&
 831              context->counter->iftype == STC_IFACE_DATACALL) ||
 832             (rstn_value->classid == STC_TOTAL_WIFI_CLASSID &&
 833              context->counter->iftype == STC_IFACE_WIFI) ||
 834             (rstn_value->classid == STC_TOTAL_BLUETOOTH_CLASSID &&
 835              context->counter->iftype == STC_IFACE_BLUETOOTH)) {
 836                 context->counter->classid = rstn_value->classid;
 837                 return __rstn_counter_update(rstn_key, rstn_value, context);
 838         }
 839
 840         return FALSE;
 841 }
 842
 843 static gboolean __rstn_counter_update_foreach_classid(gpointer key,
 844                                                       gpointer value,
 845                                                       gpointer data)
 846 {
 847         gboolean rv = FALSE;
 848         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
 849         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 850         classid_bytes_context_s *context = (classid_bytes_context_s *)data;
 851         uint32_t classid;
 852
 853         if (context->counter->intend != NFACCT_COUNTER)
 854                 goto try_next_callback;
 855
 856         if (rstn_value->data_limit_reached == TRUE) {
 857                 context->data_limit_reached = TRUE;
 858                 goto try_next_callback;
 859         }
 860
 861         classid = context->counter->classid;
 862         rv = __interface_rstn_counter_update(rstn_key, rstn_value, context);
 863
 864         context->counter->classid = classid;
 865         if (rstn_value->classid != context->counter->classid)
 866                 goto try_next_callback;
 867
 868         rv = __rstn_counter_update(rstn_key, rstn_value, context);
 869
 870 try_next_callback:
 871         return rv;
 872 }
 873
 874 static gboolean __update_app_statistics(gpointer key, gpointer value,
 875                                         gpointer data)
 876 {
 877         stc_app_key_s *app_key = (stc_app_key_s *)key;
 878         stc_app_value_s *app_value = (stc_app_value_s *)value;
 879         time_t *touch_time = (time_t *)data;
 880         stc_db_classid_iftype_key stat_key;
 881         stc_db_app_stats stat;
 882         default_connection_s *default_connection = stc_get_default_connection();
 883
 884         memset(&stat_key, 0, sizeof(stc_db_classid_iftype_key));
 885         memset(&stat, 0 , sizeof(stc_db_app_stats));
 886
 887         stat_key.classid = app_value->classid;
 888         stat_key.iftype = default_connection->type;
 889
 890         if (STC_IFACE_DATACALL == stat_key.iftype)
 891                 stat_key.subscriber_id = g_strdup(default_connection->subscriber_id);
 892         else
 893                 stat_key.subscriber_id = g_strdup("none_subid");
 894
 895         g_strlcpy(stat_key.ifname, default_connection->ifname,
 896                   MAX_IFACE_LENGTH);
 897
 898         stat.app_id = g_strdup(app_key->app_id);
 899         stat.snd_count = app_value->counter.out_bytes;
 900         stat.rcv_count = app_value->counter.in_bytes;
 901         stat.is_roaming = default_connection->roaming;
 902
 903         if (strstr(stat.app_id, "_BACKGROUND")) {
 904                 stat.ground = STC_APP_STATE_BACKGROUND;
 905         } else {
 906                 if (strstr(stat.app_id, "TOTAL_"))
 907                         stat.ground = STC_APP_STATE_UNKNOWN;
 908                 else
 909                         stat.ground = STC_APP_STATE_FOREGROUND;
 910         }
 911
 912         table_statistics_insert(&stat_key, &stat, *touch_time);
 913
 914         app_value->counter.out_bytes = 0;
 915         app_value->counter.in_bytes = 0;
 916
 917         FREE(stat.app_id);
 918         FREE(stat_key.subscriber_id);
 919
 920         return FALSE;
 921 }
 922
 923 static gboolean __flush_apps_stats_to_database(gpointer user_data)
 924 {
 925         time_t current_time = time(0);
 926
 927         if (g_system->apps_tree_updated == FALSE)
 928                 return G_SOURCE_REMOVE;
 929
 930         g_system->apps_tree_updated = FALSE;
 931
 932         if (g_system->apps)
 933                 g_tree_foreach(g_system->apps,
 934                                __update_app_statistics,
 935                                &current_time);
 936
 937         STC_LOGI("Flushed app stats to database");
 938         return G_SOURCE_REMOVE;
 939 }
 940
 941 static gboolean __update_counter_statistics(gpointer key, gpointer value,
 942                                             gpointer data)
 943 {
 944         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
 945         table_counters_info info = {
 946                 .restriction_id = rstn_value->restriction_id,
 947                 .data_counter = rstn_value->data_counter
 948         };
 949
 950         table_counters_update_counters(&info);
 951
 952         return FALSE;
 953 }
 954
 955 static gboolean __flush_rstns_counter_to_database(gpointer user_data)
 956 {
 957         time_t current_time = time(0);
 958
 959         if (g_system->rstns_tree_updated == FALSE)
 960                 return G_SOURCE_REMOVE;
 961
 962         g_system->rstns_tree_updated = FALSE;
 963
 964         if (g_system->rstns)
 965                 g_tree_foreach(g_system->rstns,
 966                                __update_counter_statistics,
 967                                &current_time);
 968
 969         STC_LOGI("Flushed rstns counters to database");
 970         return G_SOURCE_REMOVE;
 971 }
 972
 973 static void __app_counter_update(stc_app_key_s *app_key,
 974                                  stc_app_value_s *app_value,
 975                                  classid_bytes_context_s *context)
 976 {
 977         switch (context->counter->iotype) {
 978         case NFACCT_COUNTER_IN:
 979                 app_value->data_usage.in_bytes += context->bytes;
 980                 app_value->counter.in_bytes = context->bytes;
 981                 g_system->apps_tree_updated = TRUE;
 982
 983                 if (STC_DEBUG_LOG)
 984                         __apps_tree_foreach_print(app_key, app_value, NULL);
 985                 break;
 986         case NFACCT_COUNTER_OUT:
 987                 app_value->data_usage.out_bytes += context->bytes;
 988                 app_value->counter.out_bytes = context->bytes;
 989                 g_system->apps_tree_updated = TRUE;
 990
 991                 if (STC_DEBUG_LOG)
 992                         __apps_tree_foreach_print(app_key, app_value, NULL);
 993                 break;
 994         default:
 995                 STC_LOGE("unknown iotype");
 996         }
 997 }
 998
 999 static void __interface_counter_update(stc_app_key_s *app_key,
1000                                        stc_app_value_s *app_value,
1001                                        classid_bytes_context_s *context)
1002 {
1003         if ((app_value->classid == STC_TOTAL_DATACALL_CLASSID &&
1004              context->counter->iftype == STC_IFACE_DATACALL) ||
1005             (app_value->classid == STC_TOTAL_WIFI_CLASSID &&
1006              context->counter->iftype == STC_IFACE_WIFI) ||
1007             (app_value->classid == STC_TOTAL_BLUETOOTH_CLASSID &&
1008              context->counter->iftype == STC_IFACE_BLUETOOTH))
1009                 __app_counter_update(app_key, app_value, context);
1010 }
1011
1012
1013 static gboolean __apps_counter_update_foreach_classid(gpointer key,
1014                                                       gpointer value,
1015                                                       gpointer data)
1016 {
1017         stc_app_key_s *app_key = (stc_app_key_s *)key;
1018         stc_app_value_s *app_value = (stc_app_value_s *)value;
1019         classid_bytes_context_s *context = (classid_bytes_context_s *)data;
1020
1021         if (context->counter->intend != NFACCT_COUNTER)
1022                 goto try_next_callback;
1023
1024         __interface_counter_update(app_key, app_value, context);
1025
1026         if (app_value->classid != context->counter->classid)
1027                 goto try_next_callback;
1028
1029         __app_counter_update(app_key, app_value, context);
1030
1031 try_next_callback:
1032         return FALSE;
1033 }
1034
1035 static void __fill_nfacct_result(char *cnt_name, int64_t bytes,
1036                                  struct counter_arg *carg)
1037 {
1038         struct nfacct_rule counter = {
1039                 .carg = carg,
1040                 .name = {0},
1041                 .ifname = {0},
1042                 0
1043         };
1044
1045         classid_bytes_context_s context = {
1046                 .counter = &counter,
1047                 .bytes = bytes,
1048                 .data_limit_reached = FALSE,
1049         };
1050
1051         if (STC_DEBUG_LOG)
1052                 STC_LOGD("cnt_name %s", cnt_name);
1053
1054         if (!recreate_counter_by_name(cnt_name, &counter)) {
1055                 STC_LOGE("Can't parse counter name %s", cnt_name);
1056                 return;
1057         }
1058
1059         STC_LOGI("classid %lu, iftype %u, iotype %d, intend %d, ifname %s, bytes %lld",
1060                  context.counter->classid, context.counter->iftype,
1061                  context.counter->iotype, context.counter->intend,
1062                  context.counter->ifname, context.bytes);
1063
1064         if (g_system->rstns)
1065                 g_tree_foreach(g_system->rstns,
1066                                __rstn_counter_update_foreach_classid,
1067                                &context);
1068
1069         if (g_system->apps)
1070                 g_tree_foreach(g_system->apps,
1071                                __apps_counter_update_foreach_classid,
1072                                &context);
1073 }
1074
1075 static int __fill_counters(struct rtattr *attr_list[__NFACCT_MAX],
1076                            void *user_data)
1077 {
1078         struct counter_arg *carg = user_data;
1079         char *cnt_name = (char *)RTA_DATA(attr_list[NFACCT_NAME]);
1080         if (carg->initiate) {
1081                 /**
1082                  * TODO: this will be used when daemon starts to update existing
1083                  * counter data if present.
1084                  *
1085                  populate_counters(cnt_name, carg);
1086                  */
1087         } else {
1088                 int64_t *bytes_p =
1089                         (int64_t *)RTA_DATA(attr_list[NFACCT_BYTES]);
1090                 int bytes = be64toh(*bytes_p);
1091                 if (bytes) {
1092                         ++carg->serialized_counters;
1093                         __fill_nfacct_result(cnt_name, bytes, carg);
1094                 }
1095         }
1096
1097         return 0;
1098 }
1099
1100 static int __post_fill_counters(void *user_data)
1101 {
1102         struct counter_arg *carg = user_data;
1103
1104         if (carg->initiate)
1105                 carg->initiate = 0;
1106
1107         return 0;
1108 }
1109
1110 static void __process_network_counter(struct genl *ans,
1111                                       struct counter_arg *carg)
1112 {
1113         struct netlink_serialization_params ser_params = {
1114                 .carg = carg,
1115                 .ans = ans,
1116                 .eval_attr = __fill_counters,
1117                 .post_eval_attr = __post_fill_counters,
1118         };
1119
1120         netlink_serialization_command *netlink =
1121                 netlink_create_command(&ser_params);
1122         if (!netlink) {
1123                 STC_LOGE("Can not create command");
1124                 return;
1125         }
1126
1127         netlink->deserialize_answer(&(netlink->params));
1128 }
1129
1130 static gboolean __process_contr_reply(GIOChannel *source,
1131                                       GIOCondition condition,
1132                                       gpointer user_data)
1133 {
1134         int sock = g_io_channel_unix_get_fd(source);
1135         struct genl *ans;
1136         int ret;
1137         stc_s *stc = stc_get_manager();
1138
1139         if ((condition & G_IO_ERR) || (condition & G_IO_HUP) ||
1140             (condition & G_IO_NVAL)) {
1141                 /* G_IO_ERR/G_IO_HUP/G_IO_NVAL received */
1142
1143                 STC_LOGE("Counter socket received G_IO event, closing socket."
1144                          "G_IO_ERR [%d], G_IO_HUP [%d], G_IO_NVAL [%s]",
1145                          (condition & G_IO_ERR), (condition & G_IO_HUP),
1146                          (condition & G_IO_NVAL));
1147                 __close_and_reopen_contr_sock(g_system);
1148                 return FALSE;
1149         }
1150
1151         ans = MALLOC0(struct genl, 1);
1152         if (ans == NULL) {
1153                 STC_LOGE("Failed allocate memory to genl reply message");
1154                 return TRUE;
1155         }
1156
1157         if (stc == NULL) {
1158                 STC_LOGE("Can't get stc data");
1159                 goto out;
1160         }
1161
1162         ret = read_netlink(sock, ans, sizeof(struct genl));
1163         /* STC_LOGD("Counter data received ret [%d]", ret); */
1164         if (ret == 0)
1165                 goto out;
1166
1167         stc->carg->ans_len = ret;
1168         __process_network_counter(ans, stc->carg);
1169
1170         g_idle_add(__flush_apps_stats_to_database, NULL);
1171         g_idle_add(__flush_rstns_counter_to_database, NULL);
1172 out:
1173         FREE(ans);
1174         return TRUE;
1175 }
1176
1177 static gboolean __update_contr_cb(void *user_data)
1178 {
1179         /* Here we just sent command, answer we receive in another callback */
1180         stc_s *stc = stc_get_manager();
1181         ret_value_msg_if(stc == NULL, STC_ERROR_FAIL, "Can't get stc data");
1182         if (!stc->carg) {
1183                 stc->carg = MALLOC0(counter_arg_s, 1);
1184                 if (stc->carg == NULL)
1185                         return TRUE;  /* we need to continue the timer */
1186
1187                 stc->carg->sock = stc_monitor_get_counter_socket();
1188         }
1189
1190         /* STC_LOGD("Get all counters"); */
1191         nfacct_send_get_all(stc->carg);
1192
1193         /* we need to continue the timer */
1194         return TRUE;
1195 }
1196 #if 0
1197 static gboolean __rstn_tree_foreach_print(gpointer key, gpointer value,
1198                                           gpointer data)
1199 {
1200         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1201         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1202
1203         __print_rstn(rstn_key, rstn_value);
1204         return FALSE;
1205 }
1206
1207 static void __rstn_tree_printall(void)
1208 {
1209         g_tree_foreach(g_system->rstns, __rstn_tree_foreach_print, NULL);
1210 }
1211 #endif
1212 static stc_rstn_value_s * __rstn_lookup(GTree *rstns_tree,
1213                                         const stc_rstn_key_s *key)
1214 {
1215         stc_rstn_value_s *lookup;
1216
1217         ret_value_msg_if(rstns_tree == NULL, NULL, "rstns_tree is null!");
1218
1219         lookup = g_tree_lookup(rstns_tree, key);
1220
1221         return lookup;
1222 }
1223
1224 static gboolean __remove_restriction(gpointer key, gpointer value,
1225                                      gpointer data)
1226 {
1227         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1228         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1229
1230         /* rstn rule is already removed */
1231         if (rstn_value->rst_state == STC_RESTRICTION_REMOVED)
1232                 return FALSE;
1233
1234         __process_restriction(RST_UNSET, rstn_key, rstn_value, data);
1235         __print_rstn(rstn_key, rstn_value);
1236         return FALSE;
1237 }
1238
1239 static gboolean __add_restriction_debug(gpointer key, gpointer value,
1240                                         gpointer data)
1241 {
1242         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1243         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1244
1245         /* rstn rule is activated */
1246         if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1247                 return FALSE;
1248
1249         if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1250                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1251         else
1252                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1253
1254         __print_rstn(rstn_key, rstn_value);
1255
1256         return FALSE;
1257 }
1258
1259 static gboolean __add_restriction(gpointer key, gpointer value, gpointer data)
1260 {
1261         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1262         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1263
1264         /* rstn rule is activated */
1265         if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1266                 return FALSE;
1267
1268         if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1269                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1270         else
1271                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1272
1273         return FALSE;
1274 }
1275
1276 static stc_error_e __rstn_tree_remove(stc_rstn_key_s *key)
1277 {
1278         stc_rstn_value_s *lookup_value;
1279
1280         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1281
1282         lookup_value = __rstn_lookup(g_system->rstns, key);
1283         if (!lookup_value) {
1284                 STC_LOGE("key not found");
1285                 return STC_ERROR_NO_DATA;
1286         }
1287
1288         __remove_restriction(key, lookup_value, NULL);
1289
1290         /* remove counter also */
1291         table_counters_delete(lookup_value->restriction_id);
1292
1293         if (!g_tree_remove(g_system->rstns, key)) {
1294                 STC_LOGD("key not found");
1295                 return STC_ERROR_NO_DATA;
1296         }
1297
1298         return STC_ERROR_NONE;
1299 }
1300
1301 static stc_error_e __rstn_tree_add(stc_rstn_key_s *key,
1302                                    stc_rstn_value_s *value, gboolean debug)
1303 {
1304         stc_rstn_value_s *rstn_value;
1305
1306         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1307
1308         rstn_value = __rstn_lookup(g_system->rstns, key);
1309         if (!rstn_value) {
1310                 stc_rstn_key_s *rstn_key = MALLOC0(stc_rstn_key_s, 1);
1311                 if (!rstn_key) {
1312                         STC_LOGE("rstn_key allocation failed");
1313                         return STC_ERROR_OUT_OF_MEMORY;
1314                 }
1315
1316                 rstn_value = MALLOC0(stc_rstn_value_s, 1);
1317                 if (!rstn_value) {
1318                         STC_LOGE("rstn_value allocation failed");
1319                         FREE(rstn_key);
1320                         return STC_ERROR_OUT_OF_MEMORY;
1321                 }
1322
1323                 rstn_key->app_id = g_strdup(key->app_id);
1324                 rstn_key->ifname = g_strdup(key->ifname);
1325                 rstn_key->subscriber_id = g_strdup(key->subscriber_id);
1326                 rstn_key->iftype = key->iftype;
1327                 rstn_key->roaming = key->roaming;
1328
1329                 g_tree_insert(g_system->rstns, rstn_key, rstn_value);
1330         }
1331
1332         rstn_value->restriction_id = value->restriction_id;
1333         rstn_value->rst_state = value->rst_state;
1334         rstn_value->classid = value->classid;
1335         rstn_value->data_limit = value->data_limit;
1336         rstn_value->data_warn_limit = value->data_warn_limit;
1337         rstn_value->data_counter = 0;
1338         rstn_value->warn_limit_crossed_notified = FALSE;
1339         rstn_value->rstn_limit_crossed_notified = FALSE;
1340
1341         if (debug == TRUE)
1342                 __add_restriction_debug(key, rstn_value, NULL);
1343         else
1344                 __add_restriction(key, rstn_value, NULL);
1345
1346         return STC_ERROR_NONE;
1347 }
1348
1349 static stc_cb_ret_e __insert_restriction_cb(const table_restrictions_info *info,
1350                                             void *user_data)
1351 {
1352         stc_cb_ret_e ret = STC_CONTINUE;
1353
1354         stc_rstn_key_s key;
1355         stc_rstn_value_s value;
1356
1357         memset(&key, 0, sizeof(stc_rstn_key_s));
1358         memset(&value, 0, sizeof(stc_rstn_value_s));
1359
1360         key.app_id = g_strdup(info->app_id);
1361         key.ifname = g_strdup(info->ifname);
1362         key.subscriber_id = g_strdup(info->subscriber_id);
1363         key.iftype = info->iftype;
1364         key.roaming = info->roaming;
1365
1366         value.rst_state = info->rst_state;
1367         value.restriction_id = info->restriction_id;
1368
1369         if (value.rst_state != STC_RESTRICTION_EXCLUDED && info->app_id)
1370                 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1371         else
1372                 value.classid = STC_UNKNOWN_CLASSID;
1373
1374         value.data_limit = info->data_limit;
1375         value.data_warn_limit = info->data_warn_limit;
1376
1377         if (__rstn_tree_add(&key, &value, FALSE) != STC_ERROR_NONE)
1378                 ret = STC_CANCEL;
1379
1380         FREE(key.app_id);
1381         FREE(key.ifname);
1382         FREE(key.subscriber_id);
1383         return ret;
1384 }
1385
1386 static void __fill_restritions_list(void)
1387 {
1388         table_restrictions_foreach(__insert_restriction_cb, NULL);
1389         //__rstn_tree_printall();
1390 }
1391
1392 static gboolean __add_rstn_foreach_application(gpointer key,
1393                                                gpointer value,
1394                                                gpointer data)
1395 {
1396         stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1397         stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1398         gchar *app_id = (gchar *)data;
1399
1400         /* rstn rule is not for applications */
1401         if (rstn_key->app_id == NULL)
1402                 goto out;
1403
1404         /* rstn rule is not for this application */
1405         if (g_strcmp0(rstn_key->app_id, app_id) != 0)
1406                 goto out;
1407
1408         /* rstn rule is already applied */
1409         if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1410                 goto out;
1411
1412         /* add restriction to system */
1413         if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1414                 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1415         else
1416                 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1417
1418         __print_rstn(rstn_key, rstn_value);
1419 out:
1420         return FALSE;
1421 }
1422
1423 static void __add_rstns_for_application(gchar *app_id)
1424 {
1425         g_tree_foreach(g_system->rstns, __add_rstn_foreach_application,
1426                        app_id);
1427 }
1428
1429 static void __add_application_by_interface(const char *app_id)
1430 {
1431         stc_app_key_s app_key;
1432         stc_app_value_s app_value;
1433
1434         if (app_id == NULL)
1435                 return;
1436
1437         memset(&app_key, 0, sizeof(stc_app_key_s));
1438         memset(&app_value, 0, sizeof(stc_app_value_s));
1439
1440         app_key.pkg_id = g_strdup(app_id);
1441         app_key.app_id = g_strdup(app_id);
1442
1443         app_value.type = STC_APP_TYPE_NONE;
1444         app_value.processes = NULL;
1445         app_value.counter.in_bytes = 0;
1446         app_value.counter.out_bytes = 0;
1447
1448         stc_monitor_application_add(app_key, app_value);
1449
1450         FREE(app_key.pkg_id);
1451         FREE(app_key.app_id);
1452 }
1453
1454 static int __vconf_get_int(const char *key, int *value)
1455 {
1456         int ret = 0;
1457
1458         ret = vconf_get_int(key, value);
1459         if (ret != VCONF_OK) {
1460                 STC_LOGE("Failed to get vconfkey [%s] value", key);
1461                 return -1;
1462         }
1463
1464         return 0;
1465 }
1466
1467 static int __vconf_set_int(const char *key, int value)
1468 {
1469         int ret = 0;
1470
1471         ret = vconf_set_int(key, value);
1472         if (ret != VCONF_OK) {
1473                 STC_LOGE("Failed to set vconfkey [%s] value", key);
1474                 return -1;
1475         }
1476
1477         return 0;
1478 }
1479
1480 static guint __get_background_state(void)
1481 {
1482         return g_system->background_state;;
1483 }
1484
1485 static void __set_background_state(guint state)
1486 {
1487         g_system->background_state = state;
1488 }
1489
1490 static gboolean __processes_tree_foreach_background(gpointer key,
1491                                                     gpointer value,
1492                                                     gpointer data)
1493 {
1494         stc_process_key_s *proc_key = (stc_process_key_s *)key;
1495         stc_app_key_s *app_key = (stc_app_key_s *)data;
1496
1497         if (g_system->background_state)
1498                 place_pids_to_net_cgroup(proc_key->pid, STC_BACKGROUND_APP_ID);
1499         else
1500                 place_pids_to_net_cgroup(proc_key->pid, app_key->app_id);
1501
1502         return FALSE;
1503 }
1504
1505 static gboolean __apps_tree_foreach_background(gpointer key, gpointer value,
1506                                         gpointer data)
1507 {
1508         stc_app_key_s *app_key = (stc_app_key_s *)key;
1509         stc_app_value_s *app_value = (stc_app_value_s *)value;
1510
1511         if (strstr(app_key->app_id, STC_BACKGROUND_APP_SUFFIX))
1512                 g_tree_foreach(app_value->processes,
1513                                __processes_tree_foreach_background, app_key);
1514
1515         return FALSE;
1516 }
1517
1518 static stc_error_e __process_update_background(void)
1519 {
1520         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1521
1522         g_tree_foreach(g_system->apps, __apps_tree_foreach_background, NULL);
1523
1524         return STC_ERROR_NONE;
1525 }
1526
1527 #if 0
1528 static void __excn_hash_foreach_print(gpointer key, gpointer value,
1529                                           gpointer data)
1530 {
1531         const char *process_name = key;
1532         const char *exe_type = value;
1533
1534         STC_LOGI("excn info => process_name [%s] exe_type [%s]",
1535                 process_name, exe_type);
1536 }
1537
1538 static void __excn_hash_printall(void)
1539 {
1540         g_hash_table_foreach(g_system->excns_hash,
1541                 __excn_hash_foreach_print, NULL);
1542 }
1543 #endif
1544
1545 static gboolean __remove_exception_app(gpointer key, gpointer value,
1546                                         gpointer data)
1547 {
1548         const char *exe_type = value;
1549
1550         if (g_strcmp0(exe_type, EXE_TYPE_APPLICATION) == 0)
1551                 return TRUE;
1552
1553         return FALSE;
1554 }
1555
1556 static void __remove_exception_appall(void)
1557 {
1558         g_hash_table_foreach_remove(g_system->excns_hash,
1559                 __remove_exception_app, NULL);
1560 }
1561
1562 static stc_cb_ret_e __insert_exception_cb(const stc_exceptions_info *info,
1563                                             void *user_data)
1564 {
1565         stc_cb_ret_e ret = STC_CONTINUE;
1566
1567         if (g_hash_table_insert(g_system->excns_hash,
1568                         g_strdup(info->process_name),
1569                         g_strdup(info->exe_type)) != TRUE)
1570                 ret = STC_CANCEL;
1571
1572         return ret;
1573 }
1574
1575 static void __fill_exceptions_list(void)
1576 {
1577         table_exceptions_foreach(__insert_exception_cb, NULL);
1578         pkginfo_exceptions_foreach(__insert_exception_cb, NULL);
1579
1580         /* __excn_hash_printall(); */
1581 }
1582
1583 static gboolean __update_exceptions_app_list(void *user_data)
1584 {
1585         __remove_exception_appall();
1586         pkginfo_exceptions_foreach(__insert_exception_cb, NULL);
1587
1588         /* __excn_hash_printall(); */
1589
1590         return TRUE;
1591 }
1592
1593 stc_error_e stc_monitor_init(void)
1594 {
1595         stc_system_s *system = MALLOC0(stc_system_s, 1);
1596         GIOChannel *gio = NULL;
1597
1598         ret_value_msg_if(system == NULL, STC_ERROR_OUT_OF_MEMORY, "stc_system_s malloc fail!");
1599
1600         /* initializing current classid */
1601         init_current_classid();
1602
1603         /* initializing cgroups */
1604         cgroup_init();
1605
1606         /* creating monitored application tree */
1607         system->apps = g_tree_new_full(__apps_tree_key_compare, NULL,
1608                                        __apps_tree_key_free,
1609                                        __apps_tree_value_free);
1610
1611         system->rstns = g_tree_new_full(__rstns_tree_key_compare, NULL,
1612                                         __rstns_tree_key_free,
1613                                         __rstns_tree_value_free);
1614
1615         system->excns_hash = g_hash_table_new_full(g_str_hash,
1616                                         g_str_equal, g_free, g_free);
1617
1618         /* create netlink socket for updating kernel counters */
1619         system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
1620         if (system->contr_sock < 0) {
1621                 STC_LOGE("failed to open socket");
1622                 FREE(system);
1623                 return STC_ERROR_FAIL;
1624         }
1625
1626         gio = g_io_channel_unix_new(system->contr_sock);
1627         system->contr_gsource_id =
1628                 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
1629                                (GIOFunc) __process_contr_reply,
1630                                NULL);
1631         g_io_channel_unref(gio);
1632
1633         g_system = system;
1634
1635         __add_application_by_interface(STC_TOTAL_DATACALL);
1636         __add_application_by_interface(STC_TOTAL_WIFI);
1637         __add_application_by_interface(STC_TOTAL_BLUETOOTH);
1638         __add_application_by_interface(STC_TOTAL_IPV4);
1639         __add_application_by_interface(STC_TOTAL_IPV6);
1640
1641         /* creating restriction rules tree */
1642         __update_contr_cb(NULL);
1643
1644         /* registering periodic kernel counters update callback */
1645         g_system->contr_timer_id = g_timeout_add_seconds(CONTR_TIMER_INTERVAL,
1646                                                          __update_contr_cb,
1647                                                          NULL);
1648         if (g_system->contr_timer_id == 0) {
1649                 STC_LOGE("Failed to register kernel counters update timer");
1650                 __close_contr_sock(g_system);
1651                 return STC_ERROR_FAIL;
1652         }
1653
1654         __vconf_get_int(VCONFKEY_STC_BACKGROUND_STATE,
1655                         (int *)&g_system->background_state);
1656
1657         __fill_exceptions_list();
1658         __fill_restritions_list();
1659
1660         g_system->excns_timer_id = g_timeout_add_seconds(EXCNS_TIMER_INTERVAL,
1661                                                          __update_exceptions_app_list,
1662                                                          NULL);
1663
1664         return STC_ERROR_NONE;
1665 }
1666
1667 stc_error_e stc_monitor_deinit(void)
1668 {
1669         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1670
1671         /* close netlink socket for updating kernel counters */
1672         __close_contr_sock(g_system);
1673
1674         /* remove kernel counters update timer */
1675         if (g_system->contr_timer_id > 0) {
1676                 g_source_remove(g_system->contr_timer_id);
1677                 g_system->contr_timer_id = 0;
1678         }
1679
1680         /* remove exceptions app list update timer */
1681         if (g_system->excns_timer_id > 0) {
1682                 g_source_remove(g_system->excns_timer_id);
1683                 g_system->excns_timer_id = 0;
1684         }
1685
1686         /* destroy monitored application tree */
1687         g_tree_destroy(g_system->apps);
1688         g_system->apps = NULL;
1689
1690         /* destroy restriction rules tree */
1691         g_tree_destroy(g_system->rstns);
1692         g_system->rstns = NULL;
1693
1694         /* destroy exception hash table */
1695         g_hash_table_destroy(g_system->excns_hash);
1696         g_system->excns_hash = NULL;
1697
1698         FREE(g_system);
1699
1700         return STC_ERROR_NONE;
1701 }
1702
1703 stc_error_e stc_monitor_application_add(const stc_app_key_s app_key,
1704                                         const stc_app_value_s app_value)
1705 {
1706         stc_error_e ret = STC_ERROR_NONE;
1707         stc_app_key_s *key;
1708         stc_app_value_s *value;
1709         stc_app_value_s *lookup;
1710
1711         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1712
1713         lookup = __application_lookup(g_system->apps, &app_key);
1714         if (lookup) {
1715                 STC_LOGD("app_key already present");
1716                 return STC_ERROR_NONE;
1717         }
1718
1719         key = MALLOC0(stc_app_key_s, 1);
1720         if (!key) {
1721                 STC_LOGE("key allocation failed");
1722                 return STC_ERROR_OUT_OF_MEMORY;
1723         }
1724
1725         value = MALLOC0(stc_app_value_s, 1);
1726         if (!value) {
1727                 STC_LOGE("value allocation failed");
1728                 FREE(key);
1729                 return STC_ERROR_OUT_OF_MEMORY;
1730         }
1731
1732         key->app_id = g_strdup(app_key.app_id);
1733         key->pkg_id = g_strdup(app_key.pkg_id);
1734
1735         value->type = app_value.type;
1736         value->data_usage.in_bytes = app_value.data_usage.in_bytes;
1737         value->data_usage.out_bytes = app_value.data_usage.out_bytes;
1738
1739         value->processes = g_tree_new_full(__processes_tree_key_compare, NULL,
1740                                            __processes_tree_key_free,
1741                                            __processes_tree_value_free);
1742
1743         /* create cgroup and update classid */
1744         value->classid = get_classid_by_app_id(app_key.app_id, TRUE);
1745
1746         g_tree_insert(g_system->apps, key, value);
1747
1748         /* add nfacct rule for this classid */
1749         __add_application_monitor(key, value, stc_get_default_connection());
1750         __add_rstns_for_application(app_key.app_id);
1751
1752         return ret;
1753 }
1754
1755 stc_error_e stc_monitor_process_add(const stc_app_key_s app_key,
1756                                     const stc_process_key_s proc_key,
1757                                     const stc_process_value_s proc_value)
1758 {
1759         stc_error_e ret = STC_ERROR_NONE;
1760         stc_app_value_s *app_lookup;
1761         stc_process_key_s *key;
1762         stc_process_value_s *value;
1763         stc_process_value_s *proc_lookup;
1764
1765         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1766
1767         app_lookup = __application_lookup(g_system->apps, &app_key);
1768         if (!app_lookup) {
1769                 STC_LOGD("app_key not found");
1770                 return STC_ERROR_FAIL;
1771         }
1772
1773         proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
1774         if (proc_lookup) {
1775                 STC_LOGD("proc_key already present");
1776                 return STC_ERROR_NONE;
1777         }
1778
1779         key = MALLOC0(stc_process_key_s, 1);
1780         if (!key) {
1781                 STC_LOGE("key allocation failed");
1782                 return STC_ERROR_OUT_OF_MEMORY;
1783         }
1784
1785         value = MALLOC0(stc_process_value_s, 1);
1786         if (!value) {
1787                 STC_LOGE("value allocation failed");
1788                 FREE(key);
1789                 return STC_ERROR_OUT_OF_MEMORY;
1790         }
1791
1792         key->pid = proc_key.pid;
1793
1794         value->ground = proc_value.ground;
1795
1796         g_tree_insert(app_lookup->processes, key, value);
1797
1798         /* add pid to application cgroup */
1799         place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
1800
1801         if (STC_DEBUG_LOG)
1802                 __apps_tree_printall();
1803
1804         return ret;
1805 }
1806
1807 stc_error_e stc_monitor_process_remove(pid_t pid)
1808 {
1809         stc_error_e ret = STC_ERROR_NONE;
1810         stc_process_key_s proc_key = {
1811                 .pid = pid
1812         };
1813
1814         remove_pid_context_s context = {
1815                 .app_key = NULL,
1816                 .proc_key = &proc_key,
1817                 .entry_removed = FALSE,
1818         };
1819
1820         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1821
1822         g_tree_foreach(g_system->apps, __apps_tree_foreach_remove_pid,
1823                        &context);
1824
1825         if (context.entry_removed)
1826                 __application_remove_if_empty(context.app_key);
1827
1828         if (STC_DEBUG_LOG)
1829                 __apps_tree_printall();
1830
1831         return ret;
1832 }
1833
1834 stc_error_e stc_monitor_process_update_ground(const stc_app_key_s app_key,
1835                                               const stc_process_key_s proc_key,
1836                                               stc_app_state_e ground)
1837 {
1838         stc_error_e ret = STC_ERROR_NONE;
1839         stc_app_value_s *app_lookup;
1840         stc_process_value_s *proc_lookup;
1841
1842         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1843
1844         app_lookup = __application_lookup(g_system->apps, &app_key);
1845         if (!app_lookup) {
1846                 STC_LOGD("app_key not found");
1847                 return STC_ERROR_FAIL;
1848         }
1849
1850         proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
1851         if (!proc_lookup) {
1852                 STC_LOGD("proc_key not found");
1853                 return STC_ERROR_FAIL;
1854         }
1855
1856         if (proc_lookup->ground != ground)
1857                 proc_lookup->ground = ground;
1858
1859         if (ground == STC_APP_STATE_BACKGROUND && __get_background_state())
1860                 place_pids_to_net_cgroup(proc_key.pid, STC_BACKGROUND_APP_ID);
1861         else
1862                 place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
1863
1864         return ret;
1865 }
1866
1867 void stc_monitor_update_rstn_by_default_connection(void *data)
1868 {
1869         static default_connection_s old_connection;
1870         default_connection_s *new_connection = (default_connection_s *)data;
1871
1872         if (old_connection.path != NULL) {
1873                 if (g_system->apps)
1874                         g_tree_foreach(g_system->apps,
1875                                        __remove_application_monitor,
1876                                        (gpointer)&old_connection);
1877
1878                 if (g_system->rstns)
1879                         g_tree_foreach(g_system->rstns,
1880                                        __remove_restriction,
1881                                        (gpointer)&old_connection);
1882
1883                 iptables_flush_chains();
1884         }
1885
1886         FREE(old_connection.path);
1887         FREE(old_connection.ifname);
1888         old_connection.type = 0;
1889         old_connection.roaming = 0;
1890
1891         if (new_connection != NULL && new_connection->path != NULL) {
1892                 if (g_system->apps)
1893                         g_tree_foreach(g_system->apps,
1894                                        __add_application_monitor,
1895                                        (gpointer)new_connection);
1896
1897                 if (g_system->rstns)
1898                         g_tree_foreach(g_system->rstns, __add_restriction,
1899                                        NULL);
1900
1901                 old_connection.path = g_strdup(new_connection->path);
1902                 old_connection.ifname = g_strdup(new_connection->ifname);
1903                 old_connection.type = new_connection->type;
1904                 old_connection.roaming = new_connection->roaming;
1905         }
1906 }
1907
1908 stc_error_e stc_monitor_rstns_tree_add(const table_restrictions_info *info)
1909 {
1910         stc_error_e ret;
1911
1912         stc_rstn_key_s key;
1913         stc_rstn_value_s value;
1914
1915         memset(&key, 0, sizeof(stc_rstn_key_s));
1916         memset(&value, 0, sizeof(stc_rstn_value_s));
1917
1918         key.app_id = g_strdup(info->app_id);
1919         key.ifname = g_strdup(info->ifname);
1920         key.subscriber_id = g_strdup(info->subscriber_id);
1921         key.iftype = info->iftype;
1922         key.roaming = info->roaming;
1923
1924         value.rst_state = info->rst_state;
1925         value.restriction_id = info->restriction_id;
1926
1927         if (value.rst_state != STC_RESTRICTION_EXCLUDED && info->app_id)
1928                 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1929         else
1930                 value.classid = STC_UNKNOWN_CLASSID;
1931
1932         if (value.classid == STC_BACKGROUND_APP_CLASSID) {
1933                 __set_background_state(TRUE);
1934                 __vconf_set_int(VCONFKEY_STC_BACKGROUND_STATE, g_system->background_state);
1935                 __process_update_background();
1936         }
1937
1938         value.data_limit = info->data_limit;
1939         value.data_warn_limit = info->data_warn_limit;
1940
1941         ret = __rstn_tree_add(&key, &value, TRUE);
1942
1943         FREE(key.app_id);
1944         FREE(key.ifname);
1945         FREE(key.subscriber_id);
1946         return ret;
1947 }
1948
1949 stc_error_e stc_monitor_rstns_tree_remove(const table_restrictions_info *info)
1950 {
1951         stc_error_e ret;
1952
1953         stc_rstn_key_s key = {
1954                 .app_id = g_strdup(info->app_id),
1955                 .ifname = g_strdup(info->ifname),
1956                 .subscriber_id = g_strdup(info->subscriber_id),
1957                 .iftype = info->iftype,
1958                 .roaming = info->roaming,
1959         };
1960
1961         if (!strcmp(key.app_id, STC_BACKGROUND_APP_ID)) {
1962                 __set_background_state(FALSE);
1963                 __vconf_set_int(VCONFKEY_STC_BACKGROUND_STATE, g_system->background_state);
1964                 __process_update_background();
1965         }
1966
1967         ret = __rstn_tree_remove(&key);
1968
1969         FREE(key.app_id);
1970         FREE(key.ifname);
1971         FREE(key.subscriber_id);
1972         return ret;
1973 }
1974
1975 stc_error_e stc_monitor_check_excn_by_cmdline(char *cmdline)
1976 {
1977         ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1978
1979         char *exe_type = NULL;
1980
1981         exe_type = g_hash_table_lookup(g_system->excns_hash, cmdline);
1982         if (!exe_type)
1983                 return STC_ERROR_NO_DATA;
1984
1985         return STC_ERROR_NONE;
1986 }
1987
1988 int stc_monitor_get_counter_socket(void)
1989 {
1990         return g_system->contr_sock;
1991 }