2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <linux/netlink.h>
19 #include "stc-default-connection.h"
20 #include "helper-nl.h"
21 #include "helper-nfacct-rule.h"
22 #include "helper-net-cls.h"
23 #include "helper-cgroup.h"
25 #include "table-statistics.h"
26 #include "table-counters.h"
27 #include "stc-monitor.h"
28 #include "stc-manager-plugin.h"
30 #define MAX_INT_LENGTH 128
33 stc_app_key_s *app_key;
34 stc_process_key_s *proc_key;
35 gboolean entry_removed;
36 } remove_pid_context_s;
39 struct nfacct_rule *counter;
41 gboolean data_limit_reached;
42 } classid_bytes_context_s;
44 static stc_system_s *g_system = NULL;
46 static nfacct_rule_jump __get_jump_by_intend(struct nfacct_rule *counter)
48 if (counter->intend == NFACCT_WARN)
49 return NFACCT_JUMP_ACCEPT;
50 else if (counter->intend == NFACCT_BLOCK)
51 return NFACCT_JUMP_REJECT;
53 return NFACCT_JUMP_UNKNOWN;
56 static stc_error_e __add_iptables_in(struct nfacct_rule *counter)
58 return produce_net_rule(counter, 0, 0,
59 NFACCT_ACTION_INSERT, __get_jump_by_intend(counter),
63 static stc_error_e __add_iptables_out(struct nfacct_rule *counter)
65 return produce_net_rule(counter, 0, 0,
66 NFACCT_ACTION_INSERT, __get_jump_by_intend(counter),
70 static stc_error_e __del_iptables_in(struct nfacct_rule *counter)
72 return produce_net_rule(counter, 0, 0,
73 NFACCT_ACTION_DELETE, __get_jump_by_intend(counter),
77 static stc_error_e __del_iptables_out(struct nfacct_rule *counter)
79 return produce_net_rule(counter, 0, 0,
80 NFACCT_ACTION_DELETE, __get_jump_by_intend(counter),
84 static int __processes_tree_key_compare(gconstpointer a, gconstpointer b,
85 gpointer UNUSED user_data)
87 stc_process_key_s *key_a = (stc_process_key_s *)a;
88 stc_process_key_s *key_b = (stc_process_key_s *)b;
90 return key_a->pid - key_b->pid;
93 static void __processes_tree_value_free(gpointer data)
95 stc_process_value_s *value = (stc_process_value_s *)data;
100 static void __processes_tree_key_free(gpointer data)
102 stc_process_key_s *key = (stc_process_key_s *)data;
107 static int __apps_tree_key_compare(gconstpointer a, gconstpointer b,
108 gpointer UNUSED user_data)
110 stc_app_key_s *key_a = (stc_app_key_s *)a;
111 stc_app_key_s *key_b = (stc_app_key_s *)b;
114 ret = g_strcmp0(key_a->pkg_id, key_b->pkg_id);
118 return g_strcmp0(key_a->app_id, key_b->app_id);
121 static void __apps_tree_value_free(gpointer data)
123 stc_app_value_s *value = (stc_app_value_s *)data;
125 g_tree_destroy(value->processes);
126 value->processes = NULL;
131 static void __apps_tree_key_free(gpointer data)
133 stc_app_key_s *key = (stc_app_key_s *)data;
140 static int __rstns_tree_key_compare(gconstpointer a, gconstpointer b,
141 gpointer UNUSED user_data)
143 stc_rstn_key_s *key_a = (stc_rstn_key_s *)a;
144 stc_rstn_key_s *key_b = (stc_rstn_key_s *)b;
147 ret = g_strcmp0(key_a->app_id, key_b->app_id);
151 ret = g_strcmp0(key_a->ifname, key_b->ifname);
155 ret = g_strcmp0(key_a->imsi, key_b->imsi);
159 ret = key_a->iftype - key_b->iftype;
166 static void __rstns_tree_value_free(gpointer data)
168 stc_rstn_value_s *value = (stc_rstn_value_s *)data;
173 static void __rstns_tree_key_free(gpointer data)
175 stc_rstn_key_s *key = (stc_rstn_key_s *)data;
183 static gboolean __processes_tree_foreach_print(gpointer key, gpointer value,
186 stc_process_key_s *proc_key = (stc_process_key_s *)key;
187 stc_process_value_s *proc_value = (stc_process_value_s *)value;
189 STC_LOGD("Process entry => PID [%d], Ground state [%d]",
190 proc_key->pid, proc_value->ground);
194 static void __processes_tree_printall(GTree *processes)
196 g_tree_foreach(processes, __processes_tree_foreach_print, NULL);
199 static gboolean __apps_tree_foreach_print(gpointer key, gpointer value,
202 stc_app_key_s *app_key = (stc_app_key_s *)key;
203 stc_app_value_s *app_value = (stc_app_value_s *)value;
205 STC_LOGD("Application info => Pkg ID [%s], App ID [%s],"
206 " Type [%d], classid [%d],"
207 " counter [ in (%lld), out (%lld)]",
208 app_key->pkg_id, app_key->app_id,
209 app_value->type, app_value->classid,
210 app_value->data_usage.in_bytes, app_value->data_usage.out_bytes);
212 __processes_tree_printall(app_value->processes);
217 static void __apps_tree_printall(void)
219 g_tree_foreach(g_system->apps, __apps_tree_foreach_print, NULL);
223 static gboolean __apps_tree_foreach_remove_pid(gpointer key, gpointer value,
226 remove_pid_context_s *context = (remove_pid_context_s *)data;
227 stc_app_value_s *app_value = (stc_app_value_s *)value;
229 if (!g_tree_remove(app_value->processes, context->proc_key)) {
230 STC_LOGD("key not found");
234 context->entry_removed = TRUE;
235 context->app_key = (stc_app_key_s *)key;
240 static stc_app_value_s * __application_lookup(GTree *apps,
241 const stc_app_key_s *key)
243 stc_app_value_s *lookup;
245 ret_value_msg_if(apps == NULL, NULL, "apps is null!");
247 lookup = g_tree_lookup(apps, key);
252 static stc_process_value_s * __process_lookup(GTree *processes,
253 const stc_process_key_s *key)
255 stc_process_value_s *lookup;
257 ret_value_msg_if(processes == NULL, NULL, "processes is null!");
259 lookup = g_tree_lookup(processes, key);
264 static gboolean __processes_tree_check_empty(gpointer key, gpointer value,
267 guint *pid_count = (guint *)data;
272 static gboolean __add_application_monitor(gpointer key, gpointer value,
275 stc_app_value_s *app_value = (stc_app_value_s *)value;
276 default_connection_s *connection = (default_connection_s *)data;
277 stc_s *stc = stc_get_manager();
279 if (stc && connection && connection->ifname) {
280 struct nfacct_rule counter;
283 stc->carg = MALLOC0(counter_arg_s, 1);
284 stc->carg->sock = stc_monitor_get_counter_socket();
287 memset(&counter, 0, sizeof(struct nfacct_rule));
289 counter.carg = stc->carg;
290 counter.classid = app_value->classid;
291 counter.intend = NFACCT_COUNTER;
292 g_strlcpy(counter.ifname, connection->ifname, MAX_IFACE_LENGTH);
294 __add_iptables_in(&counter);
295 __add_iptables_out(&counter);
301 static gboolean __remove_application_monitor(gpointer key, gpointer value,
304 stc_app_value_s *app_value = (stc_app_value_s *)value;
305 default_connection_s *connection = (default_connection_s *)data;
306 stc_s *stc = stc_get_manager();
308 if (stc && connection && connection->ifname) {
309 struct nfacct_rule counter;
312 stc->carg = MALLOC0(counter_arg_s, 1);
313 stc->carg->sock = stc_monitor_get_counter_socket();
316 memset(&counter, 0, sizeof(struct nfacct_rule));
318 counter.carg = stc->carg;
319 counter.classid = app_value->classid;
320 counter.intend = NFACCT_COUNTER;
321 g_strlcpy(counter.ifname, connection->ifname, MAX_IFACE_LENGTH);
323 __del_iptables_in(&counter);
324 __del_iptables_out(&counter);
330 static void __print_rstn(stc_rstn_key_s *rstn_key, stc_rstn_value_s *rstn_value)
332 STC_LOGI("rstn info => rstn_id [%llu], "
333 "app_id [%s], classid [%lu], ifname [%s], "
334 "iftype [%d], rst_state [%d], "
335 "limit [ (%lld) bytes], "
336 "warn_limit [ (%lld) bytes], "
337 "counter [ (%lld) bytes], "
338 "roaming [%d], imsi [%s]",
339 rstn_value->restriction_id,
340 rstn_key->app_id, rstn_value->classid , rstn_key->ifname,
341 rstn_key->iftype, rstn_value->rst_state,
342 rstn_value->data_limit,
343 rstn_value->data_warn_limit,
344 rstn_value->data_counter,
345 rstn_key->roaming, rstn_key->imsi);
348 static void __process_restriction(enum traffic_restriction_type rst_type,
349 stc_rstn_key_s *rstn_key,
350 stc_rstn_value_s *rstn_value, void *data)
352 int64_t effective_data_limit, effective_data_warn_limit;
353 default_connection_s *old_connection = (default_connection_s *)data;
354 default_connection_s *connection = NULL;
356 if (old_connection != NULL)
357 connection = old_connection;
359 connection = stc_get_default_connection();
361 /* no default ifname */
362 if (connection->ifname == NULL)
365 /* rstn not applicable for this interface */
366 if (rstn_key->ifname != NULL && g_strcmp0("", rstn_key->ifname) != 0 &&
367 g_strcmp0(connection->ifname, rstn_key->ifname) != 0)
370 /* classid is invalid */
371 if (rstn_value->classid == STC_UNKNOWN_CLASSID)
374 effective_data_limit = rstn_value->data_limit;
375 effective_data_warn_limit = rstn_value->data_warn_limit;
377 if (rst_type == RST_SET) {
378 /* TODO: Change this to runtime memory */
379 table_counters_info info;
381 memset(&info, 0, sizeof(table_counters_info));
382 table_counters_get(rstn_value->restriction_id, &info);
384 effective_data_limit -= info.data_counter;
385 effective_data_warn_limit -= info.data_counter;
387 if (effective_data_limit < 0) {
388 effective_data_limit = 0;
389 rstn_value->data_limit_reached = TRUE;
392 if (effective_data_warn_limit < 0)
393 effective_data_warn_limit = 0;
395 STC_LOGD("datausage [%lld] bytes", info.data_counter);
398 STC_LOGD("rstn_id [%llu], effective_data_limit [%lld] bytes, "
399 "effective_data_warn_limit [%lld] bytes",
400 rstn_value->restriction_id, effective_data_limit,
401 effective_data_warn_limit);
405 if (effective_data_limit <= 0) {
406 char *default_ifname = stc_default_connection_get_ifname();
407 struct nfacct_rule counter;
408 stc_s *stc = stc_get_manager();
411 stc->carg = MALLOC0(counter_arg_s, 1);
413 stc_monitor_get_counter_socket();
416 counter.carg = stc->carg;
417 counter.classid = rstn_value->classid;
418 counter.intend = NFACCT_BLOCK;
419 counter.iftype = STC_IFACE_UNKNOWN;
420 g_strlcpy(counter.ifname, default_ifname,
423 generate_counter_name(&counter);
424 g_free(default_ifname);
427 __add_iptables_in(&counter);
428 __add_iptables_out(&counter);
431 rstn_value->rst_state = STC_RESTRICTION_ACTIVATED;
432 rstn_value->data_limit_reached = FALSE;
439 char *default_ifname = stc_default_connection_get_ifname();
440 struct nfacct_rule counter;
441 stc_s *stc = stc_get_manager();
444 stc->carg = MALLOC0(counter_arg_s, 1);
446 stc_monitor_get_counter_socket();
449 counter.carg = stc->carg;
450 counter.classid = rstn_value->classid;
451 counter.intend = NFACCT_BLOCK;
452 counter.iftype = STC_IFACE_UNKNOWN;
453 g_strlcpy(counter.ifname, default_ifname,
456 generate_counter_name(&counter);
457 g_free(default_ifname);
460 __del_iptables_in(&counter);
461 __del_iptables_out(&counter);
463 rstn_value->rst_state = STC_RESTRICTION_REMOVED;
464 rstn_value->data_limit_reached = FALSE;
472 static gboolean __remove_rstns_foreach_application(gpointer key,
476 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
477 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
478 gchar *app_id = (gchar *)data;
480 /* rstn rule is not for applications */
481 if (rstn_key->app_id == NULL)
484 /* rstn rule is not for this application */
485 if (g_strcmp0(rstn_key->app_id, app_id) != 0)
488 /* rstn rule is already removed */
489 if (rstn_value->rst_state == STC_RESTRICTION_REMOVED)
492 /* remove restriction from system */
493 __process_restriction(RST_UNSET, rstn_key, rstn_value, data);
495 __print_rstn(rstn_key, rstn_value);
500 static void __remove_rstns_for_application(gchar *app_id)
502 g_tree_foreach(g_system->rstns, __remove_rstns_foreach_application,
506 static stc_error_e __application_remove_if_empty(const stc_app_key_s *app_key)
508 stc_error_e ret = STC_ERROR_NONE;
510 stc_app_value_s *lookup;
512 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
514 lookup = __application_lookup(g_system->apps, app_key);
516 STC_LOGE("app_key not found");
517 return STC_ERROR_NO_DATA;
520 g_tree_foreach(lookup->processes, __processes_tree_check_empty,
524 /* remove nfacct rule for this classid */
525 __remove_application_monitor((gpointer) app_key, lookup,
526 stc_get_default_connection());
527 __remove_rstns_for_application(app_key->app_id);
530 if (!g_tree_remove(g_system->apps, app_key)) {
531 ret = STC_ERROR_NO_DATA;
532 STC_LOGE("key not found");
538 static stc_error_e __close_contr_sock(stc_system_s *system)
540 ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
542 /* close netlink socket for updating kernel counters */
543 if (system->contr_sock != -1) {
544 close(system->contr_sock);
545 system->contr_sock = -1;
548 if (system->contr_gsource_id != 0) {
549 g_source_remove(system->contr_gsource_id);
550 system->contr_gsource_id = 0;
553 return STC_ERROR_NONE;
556 static gboolean __process_contr_reply(GIOChannel *source,
557 GIOCondition condition,
560 static stc_error_e __close_and_reopen_contr_sock(stc_system_s *system)
562 GIOChannel *gio = NULL;
563 ret_value_msg_if(system == NULL, STC_ERROR_INVALID_PARAMETER, "invalid parameter");
565 /* close netlink socket for updating kernel counters */
566 if (system->contr_sock != -1) {
567 close(system->contr_sock);
568 system->contr_sock = -1;
571 if (system->contr_gsource_id != 0) {
572 g_source_remove(system->contr_gsource_id);
573 system->contr_gsource_id = 0;
576 /* create netlink socket for updating kernel counters */
577 system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
578 if (!(system->contr_sock)) {
579 STC_LOGE("failed to open socket");
581 return STC_ERROR_FAIL;
584 gio = g_io_channel_unix_new(system->contr_sock);
585 system->contr_gsource_id =
586 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
587 (GIOFunc) __process_contr_reply,
589 g_io_channel_unref(gio);
591 return STC_ERROR_NONE;
594 static gboolean __rstn_counter_update_foreach_classid(gpointer key,
598 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
599 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
600 classid_bytes_context_s *context = (classid_bytes_context_s *)data;
602 if (context->counter->intend != NFACCT_COUNTER)
603 goto try_next_callback;
605 if (rstn_value->classid != context->counter->classid)
606 goto try_next_callback;
608 if (rstn_value->data_limit_reached == TRUE) {
609 context->data_limit_reached = TRUE;
610 goto try_next_callback;
613 switch (context->counter->iotype) {
614 case NFACCT_COUNTER_IN:
615 case NFACCT_COUNTER_OUT:
616 rstn_value->data_counter += context->bytes;
618 if (rstn_value->data_counter >= rstn_value->data_warn_limit &&
619 rstn_value->warn_limit_crossed_notified == FALSE) {
622 char iftype[MAX_INT_LENGTH];
623 char byte[MAX_INT_LENGTH];
624 stc_s *stc = (stc_s *)stc_get_manager();
625 ret_value_msg_if(stc == NULL, FALSE, "failed to get stc data");
628 rv = stc_manager_dbus_emit_signal(stc->connection,
629 STC_DBUS_SERVICE_RESTRICTION_PATH,
630 STC_DBUS_INTERFACE_RESTRICTION,
631 "WarnThresholdCrossed",
632 g_variant_new("(s)", rstn_key->app_id));
634 rstn_value->warn_limit_crossed_notified = TRUE;
636 snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
637 snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->data_warn_limit);
638 stc_send_warn_message_to_net_popup("warn threshold crossed",
644 if (rstn_value->data_counter >= rstn_value->data_limit &&
645 rstn_value->rstn_limit_crossed_notified == FALSE) {
648 char iftype[MAX_INT_LENGTH];
649 char byte[MAX_INT_LENGTH];
650 stc_s *stc = (stc_s *)stc_get_manager();
651 ret_value_msg_if(stc == NULL, FALSE, "failed to get stc data");
653 /* block immediately */
654 context->counter->intend = NFACCT_BLOCK;
655 __del_iptables_in(context->counter);
656 __del_iptables_out(context->counter);
657 __add_iptables_in(context->counter);
658 __add_iptables_out(context->counter);
659 context->counter->intend = NFACCT_COUNTER;
661 rstn_value->data_limit_reached = TRUE;
664 rv = stc_manager_dbus_emit_signal(stc->connection,
665 STC_DBUS_SERVICE_RESTRICTION_PATH,
666 STC_DBUS_INTERFACE_RESTRICTION,
667 "RestrictionThresholdCrossed",
668 g_variant_new("(s)", rstn_key->app_id));
670 rstn_value->rstn_limit_crossed_notified = TRUE;
672 snprintf(iftype, MAX_INT_LENGTH, "%d", rstn_key->iftype);
673 snprintf(byte, MAX_INT_LENGTH, "%lld", rstn_value->data_limit);
674 stc_send_restriction_message_to_net_popup("restriction threshold crossed",
675 "restriction_noti", rstn_key->app_id,
679 g_system->rstns_tree_updated = TRUE;
680 __print_rstn(rstn_key, rstn_value);
683 STC_LOGE("unknown iotype");
691 static gboolean __update_app_statistics(gpointer key, gpointer value,
694 stc_app_key_s *app_key = (stc_app_key_s *)key;
695 stc_app_value_s *app_value = (stc_app_value_s *)value;
696 time_t *touch_time = (time_t *)data;
697 stc_db_classid_iftype_key stat_key;
698 stc_db_app_stats stat;
699 char *default_ifname = stc_default_connection_get_ifname();
701 memset(&stat_key, 0, sizeof(stc_db_classid_iftype_key));
702 memset(&stat, 0 , sizeof(stc_db_app_stats));
704 stat_key.classid = app_value->classid;
705 stat_key.iftype = stc_default_connection_get_type();
706 if (STC_IFACE_DATACALL == stat_key.iftype)
707 stat_key.imsi = g_strdup("unknown");
709 stat_key.imsi = g_strdup("noneimsi");
710 g_strlcpy(stat_key.ifname, default_ifname, MAX_IFACE_LENGTH);
712 stat.app_id = g_strdup(app_key->app_id);
713 stat.snd_count = app_value->counter.out_bytes;
714 stat.rcv_count = app_value->counter.in_bytes;
715 stat.is_roaming = stc_default_connection_get_roaming();
716 stat.ground = STC_APP_STATE_UNKNOWN;
718 table_statistics_insert(&stat_key, &stat, *touch_time);
720 app_value->counter.out_bytes = 0;
721 app_value->counter.in_bytes = 0;
725 FREE(default_ifname);
730 static gboolean __flush_apps_stats_to_database(gpointer user_data)
732 time_t current_time = time(0);
734 if (g_system->apps_tree_updated == FALSE)
735 return G_SOURCE_REMOVE;
737 g_system->apps_tree_updated = FALSE;
740 g_tree_foreach(g_system->apps,
741 __update_app_statistics,
744 STC_LOGI("Flushed app stats to database");
745 return G_SOURCE_REMOVE;
748 static gboolean __update_counter_statistics(gpointer key, gpointer value,
751 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
752 table_counters_info info = {
753 .restriction_id = rstn_value->restriction_id,
754 .data_counter = rstn_value->data_counter
757 table_counters_update_counters(&info);
762 static gboolean __flush_rstns_counter_to_database(gpointer user_data)
764 time_t current_time = time(0);
766 if (g_system->rstns_tree_updated == FALSE)
767 return G_SOURCE_REMOVE;
769 g_system->rstns_tree_updated = FALSE;
772 g_tree_foreach(g_system->rstns,
773 __update_counter_statistics,
776 STC_LOGI("Flushed rstns counters to database");
777 return G_SOURCE_REMOVE;
780 static gboolean __apps_counter_update_foreach_classid(gpointer key,
784 stc_app_key_s *app_key = (stc_app_key_s *)key;
785 stc_app_value_s *app_value = (stc_app_value_s *)value;
786 classid_bytes_context_s *context = (classid_bytes_context_s *)data;
788 if (context->counter->intend != NFACCT_COUNTER)
789 goto try_next_callback;
791 if (app_value->classid != context->counter->classid)
792 goto try_next_callback;
794 switch (context->counter->iotype) {
795 case NFACCT_COUNTER_IN:
796 app_value->data_usage.in_bytes += context->bytes;
797 app_value->counter.in_bytes = context->bytes;
798 g_system->apps_tree_updated = TRUE;
800 __apps_tree_foreach_print(app_key, app_value, NULL);
802 case NFACCT_COUNTER_OUT:
803 app_value->data_usage.out_bytes += context->bytes;
804 app_value->counter.out_bytes = context->bytes;
805 g_system->apps_tree_updated = TRUE;
807 __apps_tree_foreach_print(app_key, app_value, NULL);
810 STC_LOGE("unknown iotype");
817 static void __fill_nfacct_result(char *cnt_name, int64_t bytes,
818 struct counter_arg *carg)
820 struct nfacct_rule counter = {
827 classid_bytes_context_s context = {
830 .data_limit_reached = FALSE,
833 STC_LOGD("cnt_name %s", cnt_name);
835 if (!recreate_counter_by_name(cnt_name, &counter)) {
836 STC_LOGE("Can't parse counter name %s", cnt_name);
840 STC_LOGI("classid %lu, iftype %u, iotype %d, intend %d, ifname %s, bytes %lld",
841 context.counter->classid, context.counter->iftype,
842 context.counter->iotype, context.counter->intend,
843 context.counter->ifname, context.bytes);
846 g_tree_foreach(g_system->rstns,
847 __rstn_counter_update_foreach_classid,
851 g_tree_foreach(g_system->apps,
852 __apps_counter_update_foreach_classid,
856 static int __fill_counters(struct rtattr *attr_list[__NFACCT_MAX],
859 struct counter_arg *carg = user_data;
860 char *cnt_name = (char *)RTA_DATA(attr_list[NFACCT_NAME]);
861 if (carg->initiate) {
863 * TODO: this will be used when daemon starts to update existing
864 * counter data if present.
866 populate_counters(cnt_name, carg);
870 (int64_t *)RTA_DATA(attr_list[NFACCT_BYTES]);
871 int bytes = be64toh(*bytes_p);
873 ++carg->serialized_counters;
874 __fill_nfacct_result(cnt_name, bytes, carg);
881 static int __post_fill_counters(void *user_data)
883 struct counter_arg *carg = user_data;
891 static void __process_network_counter(struct genl *ans,
892 struct counter_arg *carg)
894 struct netlink_serialization_params ser_params = {
897 .eval_attr = __fill_counters,
898 .post_eval_attr = __post_fill_counters,
901 netlink_serialization_command *netlink =
902 netlink_create_command(&ser_params);
904 STC_LOGE("Can not create command");
908 netlink->deserialize_answer(&(netlink->params));
911 static gboolean __process_contr_reply(GIOChannel *source,
912 GIOCondition condition,
915 int sock = g_io_channel_unix_get_fd(source);
918 stc_s *stc = stc_get_manager();
920 if ((condition & G_IO_ERR) ||
921 (condition & G_IO_HUP) ||
922 (condition & G_IO_NVAL)) {
923 /* G_IO_ERR/G_IO_HUP/G_IO_NVAL received */
925 STC_LOGE("Counter socket received G_IO event, closing socket."
926 "G_IO_ERR [%d], G_IO_HUP [%d], G_IO_NVAL [%s]",
927 (condition & G_IO_ERR), (condition & G_IO_HUP),
928 (condition & G_IO_NVAL));
929 __close_and_reopen_contr_sock(g_system);
934 STC_LOGE("Can't get stc data");
938 ret = read_netlink(sock,
939 &ans, sizeof(struct genl));
940 /* STC_LOGD("Counter data received ret [%d]", ret); */
944 stc->carg->ans_len = ret;
945 __process_network_counter(&ans, stc->carg);
947 g_idle_add(__flush_apps_stats_to_database, NULL);
948 g_idle_add(__flush_rstns_counter_to_database, NULL);
953 static gboolean __update_contr_cb(void *user_data)
955 /* Here we just sent command, answer we receive in another callback */
956 stc_s *stc = stc_get_manager();
957 ret_value_msg_if(stc == NULL, STC_ERROR_FAIL, "Can't get stc data");
959 stc->carg = MALLOC0(counter_arg_s, 1);
960 stc->carg->sock = stc_monitor_get_counter_socket();
963 /* STC_LOGD("Get all counters"); */
964 nfacct_send_get_all(stc->carg);
966 /* we need to continue the timer */
970 static gboolean __rstn_tree_foreach_print(gpointer key, gpointer value,
973 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
974 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
976 __print_rstn(rstn_key, rstn_value);
980 static void __rstn_tree_printall(void)
982 g_tree_foreach(g_system->rstns, __rstn_tree_foreach_print, NULL);
985 static stc_rstn_value_s * __rstn_lookup(GTree *rstns_tree,
986 const stc_rstn_key_s *key)
988 stc_rstn_value_s *lookup;
990 ret_value_msg_if(rstns_tree == NULL, NULL, "rstns_tree is null!");
992 lookup = g_tree_lookup(rstns_tree, key);
997 static gboolean __remove_restriction(gpointer key, gpointer value,
1000 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1001 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1003 /* rstn rule is already removed */
1004 if (rstn_value->rst_state == STC_RESTRICTION_REMOVED)
1007 __process_restriction(RST_UNSET, rstn_key, rstn_value, data);
1008 __print_rstn(rstn_key, rstn_value);
1012 static gboolean __add_restriction_debug(gpointer key, gpointer value,
1015 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1016 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1018 /* rstn rule is activated */
1019 if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1022 if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1023 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1025 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1027 __print_rstn(rstn_key, rstn_value);
1032 static gboolean __add_restriction(gpointer key, gpointer value, gpointer data)
1034 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1035 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1037 /* rstn rule is activated */
1038 if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1041 if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1042 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1044 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1049 static stc_error_e __rstn_tree_remove(stc_rstn_key_s *key)
1051 stc_rstn_value_s *lookup_value;
1053 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1055 lookup_value = __rstn_lookup(g_system->rstns, key);
1056 if (!lookup_value) {
1057 STC_LOGE("key not found");
1058 return STC_ERROR_NO_DATA;
1061 __remove_restriction(key, lookup_value, NULL);
1063 /* remove counter also */
1064 table_counters_delete(lookup_value->restriction_id);
1066 if (!g_tree_remove(g_system->rstns, key)) {
1067 STC_LOGD("key not found");
1068 return STC_ERROR_NO_DATA;
1071 return STC_ERROR_NONE;
1074 static stc_error_e __rstn_tree_add(stc_rstn_key_s *key,
1075 stc_rstn_value_s *value, gboolean debug)
1077 stc_rstn_value_s *rstn_value;
1079 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1081 rstn_value = __rstn_lookup(g_system->rstns, key);
1083 stc_rstn_key_s *rstn_key = MALLOC0(stc_rstn_key_s, 1);
1085 STC_LOGE("rstn_key allocation failed");
1086 return STC_ERROR_OUT_OF_MEMORY;
1089 rstn_value = MALLOC0(stc_rstn_value_s, 1);
1091 STC_LOGE("rstn_value allocation failed");
1093 return STC_ERROR_OUT_OF_MEMORY;
1096 rstn_key->app_id = g_strdup(key->app_id);
1097 rstn_key->ifname = g_strdup(key->ifname);
1098 rstn_key->imsi = g_strdup(key->imsi);
1099 rstn_key->iftype = key->iftype;
1100 rstn_key->roaming = key->roaming;
1102 g_tree_insert(g_system->rstns, rstn_key, rstn_value);
1105 rstn_value->restriction_id = value->restriction_id;
1106 rstn_value->rst_state = value->rst_state;
1107 rstn_value->classid = value->classid;
1108 rstn_value->data_limit = value->data_limit;
1109 rstn_value->data_warn_limit = value->data_warn_limit;
1110 rstn_value->data_counter = 0;
1111 rstn_value->warn_limit_crossed_notified = FALSE;
1112 rstn_value->rstn_limit_crossed_notified = FALSE;
1115 __add_restriction_debug(key, rstn_value, NULL);
1117 __add_restriction(key, rstn_value, NULL);
1119 return STC_ERROR_NONE;
1122 static stc_cb_ret_e __insert_restriction_cb(const table_restrictions_info *info,
1125 stc_cb_ret_e ret = STC_CONTINUE;
1128 stc_rstn_value_s value;
1130 memset(&key, 0, sizeof(stc_rstn_key_s));
1131 memset(&value, 0, sizeof(stc_rstn_value_s));
1133 key.app_id = g_strdup(info->app_id);
1134 key.ifname = g_strdup(info->ifname);
1135 key.imsi = g_strdup(info->imsi);
1136 key.iftype = info->iftype;
1137 key.roaming = info->roaming;
1139 value.rst_state = info->rst_state;
1140 value.restriction_id = info->restriction_id;
1142 if (value.rst_state != STC_RESTRICTION_EXCLUDED && info->app_id)
1143 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1145 value.classid = STC_UNKNOWN_CLASSID;
1147 value.data_limit = info->data_limit;
1148 value.data_warn_limit = info->data_warn_limit;
1150 if (__rstn_tree_add(&key, &value, FALSE) != STC_ERROR_NONE)
1159 static void __fill_restritions_list(void)
1161 table_restrictions_foreach(__insert_restriction_cb, NULL);
1162 //__rstn_tree_printall();
1165 static gboolean __add_rstn_foreach_application(gpointer key,
1169 stc_rstn_key_s *rstn_key = (stc_rstn_key_s *)key;
1170 stc_rstn_value_s *rstn_value = (stc_rstn_value_s *)value;
1171 gchar *app_id = (gchar *)data;
1173 /* rstn rule is not for applications */
1174 if (rstn_key->app_id == NULL)
1177 /* rstn rule is not for this application */
1178 if (g_strcmp0(rstn_key->app_id, app_id) != 0)
1181 /* rstn rule is already applied */
1182 if (rstn_value->rst_state == STC_RESTRICTION_ACTIVATED)
1185 /* add restriction to system */
1186 if (rstn_value->rst_state == STC_RESTRICTION_EXCLUDED)
1187 __process_restriction(RST_EXCLUDE, rstn_key, rstn_value, data);
1189 __process_restriction(RST_SET, rstn_key, rstn_value, data);
1191 __print_rstn(rstn_key, rstn_value);
1196 static void __add_rstns_for_application(gchar *app_id)
1198 g_tree_foreach(g_system->rstns, __add_rstn_foreach_application,
1202 stc_error_e stc_monitor_init(void)
1204 stc_system_s *system = MALLOC0(stc_system_s, 1);
1205 GIOChannel *gio = NULL;
1207 ret_value_msg_if(system == NULL, STC_ERROR_OUT_OF_MEMORY, "stc_system_s malloc fail!");
1209 /* initializing cgroups */
1212 /* creating monitored application tree */
1213 system->apps = g_tree_new_full(__apps_tree_key_compare, NULL,
1214 __apps_tree_key_free,
1215 __apps_tree_value_free);
1217 system->rstns = g_tree_new_full(__rstns_tree_key_compare, NULL,
1218 __rstns_tree_key_free,
1219 __rstns_tree_value_free);
1221 /* create netlink socket for updating kernel counters */
1222 system->contr_sock = create_netlink(NETLINK_NETFILTER, 0);
1223 if (!(system->contr_sock)) {
1224 STC_LOGE("failed to open socket");
1226 return STC_ERROR_FAIL;
1229 gio = g_io_channel_unix_new(system->contr_sock);
1230 system->contr_gsource_id =
1231 g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP,
1232 (GIOFunc) __process_contr_reply,
1234 g_io_channel_unref(gio);
1238 /* creating restriction rules tree */
1239 __update_contr_cb(NULL);
1241 /* registering periodic kernel counters update callback */
1242 g_system->contr_timer_id = g_timeout_add_seconds(CONTR_TIMER_INTERVAL,
1245 if (g_system->contr_timer_id == 0) {
1246 STC_LOGE("Failed to register kernel counters update timer");
1247 __close_contr_sock(g_system);
1248 return STC_ERROR_FAIL;
1251 __fill_restritions_list();
1253 return STC_ERROR_NONE;
1256 stc_error_e stc_monitor_deinit(void)
1258 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1260 /* close netlink socket for updating kernel counters */
1261 __close_contr_sock(g_system);
1263 /* remove kernel counters update timer */
1264 if (g_system->contr_timer_id > 0) {
1265 g_source_remove(g_system->contr_timer_id);
1266 g_system->contr_timer_id = 0;
1269 /* destroy monitored application tree */
1270 g_tree_destroy(g_system->apps);
1271 g_system->apps = NULL;
1273 /* destroy restriction rules tree */
1274 g_tree_destroy(g_system->rstns);
1275 g_system->rstns = NULL;
1279 return STC_ERROR_NONE;
1282 stc_error_e stc_monitor_application_add(const stc_app_key_s app_key,
1283 const stc_app_value_s app_value)
1285 stc_error_e ret = STC_ERROR_NONE;
1287 stc_app_value_s *value;
1288 stc_app_value_s *lookup;
1290 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1292 lookup = __application_lookup(g_system->apps, &app_key);
1294 STC_LOGD("app_key already present");
1295 return STC_ERROR_NONE;
1298 key = MALLOC0(stc_app_key_s, 1);
1300 STC_LOGE("key allocation failed");
1301 return STC_ERROR_OUT_OF_MEMORY;
1304 value = MALLOC0(stc_app_value_s, 1);
1306 STC_LOGE("value allocation failed");
1308 return STC_ERROR_OUT_OF_MEMORY;
1311 key->app_id = g_strdup(app_key.app_id);
1312 key->pkg_id = g_strdup(app_key.pkg_id);
1314 value->type = app_value.type;
1315 value->data_usage.in_bytes = app_value.data_usage.in_bytes;
1316 value->data_usage.out_bytes = app_value.data_usage.out_bytes;
1318 value->processes = g_tree_new_full(__processes_tree_key_compare, NULL,
1319 __processes_tree_key_free,
1320 __processes_tree_value_free);
1322 /* create cgroup and update classid */
1323 value->classid = get_classid_by_app_id(app_key.app_id, TRUE);
1325 g_tree_insert(g_system->apps, key, value);
1327 /* add nfacct rule for this classid */
1328 __add_application_monitor(key, value, stc_get_default_connection());
1329 __add_rstns_for_application(app_key.app_id);
1334 stc_error_e stc_monitor_process_add(const stc_app_key_s app_key,
1335 const stc_process_key_s proc_key,
1336 const stc_process_value_s proc_value)
1338 stc_error_e ret = STC_ERROR_NONE;
1339 stc_app_value_s *app_lookup;
1340 stc_process_key_s *key;
1341 stc_process_value_s *value;
1342 stc_process_value_s *proc_lookup;
1344 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1346 app_lookup = __application_lookup(g_system->apps, &app_key);
1348 STC_LOGD("app_key not found");
1349 return STC_ERROR_FAIL;
1352 proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
1354 STC_LOGD("proc_key already present");
1355 return STC_ERROR_NONE;
1358 key = MALLOC0(stc_process_key_s, 1);
1360 STC_LOGE("key allocation failed");
1361 return STC_ERROR_OUT_OF_MEMORY;
1364 value = MALLOC0(stc_process_value_s, 1);
1366 STC_LOGE("value allocation failed");
1368 return STC_ERROR_OUT_OF_MEMORY;
1371 key->pid = proc_key.pid;
1373 value->ground = proc_value.ground;
1375 g_tree_insert(app_lookup->processes, key, value);
1377 /* add pid to application cgroup */
1378 place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
1383 stc_error_e stc_monitor_process_remove(pid_t pid)
1385 stc_error_e ret = STC_ERROR_NONE;
1386 stc_process_key_s proc_key = {
1390 remove_pid_context_s context = {
1392 .proc_key = &proc_key,
1393 .entry_removed = FALSE,
1396 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1398 g_tree_foreach(g_system->apps, __apps_tree_foreach_remove_pid,
1401 if (context.entry_removed)
1402 __application_remove_if_empty(context.app_key);
1407 stc_error_e stc_monitor_process_update_ground(const stc_app_key_s app_key,
1408 const stc_process_key_s proc_key,
1409 stc_app_state_e ground)
1411 stc_error_e ret = STC_ERROR_NONE;
1412 stc_app_value_s *app_lookup;
1413 stc_process_value_s *proc_lookup;
1415 ret_value_msg_if(g_system == NULL, STC_ERROR_FAIL, "stc monitor not initialized!");
1417 app_lookup = __application_lookup(g_system->apps, &app_key);
1419 STC_LOGD("app_key not found");
1420 return STC_ERROR_FAIL;
1423 proc_lookup = __process_lookup(app_lookup->processes, &proc_key);
1425 STC_LOGD("proc_key not found");
1426 return STC_ERROR_FAIL;
1429 if (proc_lookup->ground != ground)
1430 proc_lookup->ground = ground;
1432 if (ground == STC_APP_STATE_BACKGROUND) {
1433 char *background_app_id = g_strconcat(app_key.app_id,
1434 STC_BACKGROUND_APP_SUFFIX,
1436 place_pids_to_net_cgroup(proc_key.pid, background_app_id);
1437 g_free(background_app_id);
1439 place_pids_to_net_cgroup(proc_key.pid, app_key.app_id);
1445 void stc_monitor_update_rstn_by_default_connection(void *data)
1447 static default_connection_s old_connection;
1448 default_connection_s *new_connection = (default_connection_s *)data;
1450 if (old_connection.path != NULL) {
1452 g_tree_foreach(g_system->apps,
1453 __remove_application_monitor,
1454 (gpointer)&old_connection);
1456 if (g_system->rstns)
1457 g_tree_foreach(g_system->rstns,
1458 __remove_restriction,
1459 (gpointer)&old_connection);
1462 FREE(old_connection.path);
1463 FREE(old_connection.ifname);
1464 old_connection.type = 0;
1465 old_connection.roaming = 0;
1467 if (new_connection != NULL && new_connection->path != NULL) {
1469 g_tree_foreach(g_system->apps,
1470 __add_application_monitor,
1471 (gpointer)new_connection);
1473 if (g_system->rstns)
1474 g_tree_foreach(g_system->rstns, __add_restriction,
1477 old_connection.path = g_strdup(new_connection->path);
1478 old_connection.ifname = g_strdup(new_connection->ifname);
1479 old_connection.type = new_connection->type;
1480 old_connection.roaming = new_connection->roaming;
1484 stc_error_e stc_monitor_rstns_tree_add(const table_restrictions_info *info)
1489 stc_rstn_value_s value;
1491 memset(&key, 0, sizeof(stc_rstn_key_s));
1492 memset(&value, 0, sizeof(stc_rstn_value_s));
1494 key.app_id = g_strdup(info->app_id);
1495 key.ifname = g_strdup(info->ifname);
1496 key.imsi = g_strdup(info->imsi);
1497 key.iftype = info->iftype;
1498 key.roaming = info->roaming;
1500 value.rst_state = info->rst_state;
1501 value.restriction_id = info->restriction_id;
1503 if (value.rst_state != STC_RESTRICTION_EXCLUDED && info->app_id)
1504 value.classid = get_classid_by_app_id(info->app_id, TRUE);
1506 value.classid = STC_UNKNOWN_CLASSID;
1508 value.data_limit = info->data_limit;
1509 value.data_warn_limit = info->data_warn_limit;
1511 ret = __rstn_tree_add(&key, &value, TRUE);
1519 stc_error_e stc_monitor_rstns_tree_remove(const table_restrictions_info *info)
1523 stc_rstn_key_s key = {
1524 .app_id = g_strdup(info->app_id),
1525 .ifname = g_strdup(info->ifname),
1526 .imsi = g_strdup(info->imsi),
1527 .iftype = info->iftype,
1528 .roaming = info->roaming,
1531 ret = __rstn_tree_remove(&key);
1539 int stc_monitor_get_counter_socket(void)
1541 return g_system->contr_sock;