src/ps_master.c

   1 /*
   2  * tel-plugin-packetservice
   3  *
   4  * Copyright (c) 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: DongHoo Park <donghoo.park@samsung.com>
   7  *          Arun Shukla <arun.shukla@samsung.com>
   8  *
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  * http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  */
  22
  23 #include <unistd.h>
  24
  25 #include "ps_common.h"
  26 #include "generated-code.h"
  27
  28 #include <server.h>
  29 #include <plugin.h>
  30 #include <storage.h>
  31 #include <hal.h>
  32 #include <user_request.h>
  33 #include <co_context.h>
  34
  35 #define PS_MASTER_PATH  "/"
  36 #define PROP_DEFAULT            FALSE
  37 #define PROP_DEFAULT_STR        NULL
  38
  39 /* [Wearable][sap-stack] SAPInterface.h */
  40 #define SAP_CONN_TYPE_ALL       0x00
  41 #define SAP_CONN_TYPE_BT        0x01
  42 #define SAP_CONN_TYPE_MOBILE    0x10 /* scs */
  43
  44 static void __ps_master_emit_modem_added_signal(ps_master_t *master, gpointer modem);
  45 /*static void __ps_master_emit_modem_removed_signal(ps_master_t *master, gpointer modem);*/
  46 static void _ps_master_setup_interface(PacketServiceMaster *master, ps_master_t *master_data);
  47
  48 static void __ps_master_register_key_callback(gpointer master, enum tcore_storage_key key);
  49 static void __ps_master_storage_key_callback(enum tcore_storage_key key, void *value, void *user_data);
  50
  51 static void __ps_master_handle_ups_mode(gpointer object, gchar *request)
  52 {
  53         ps_modem_t *modem = object;
  54         GSList *contexts = NULL;
  55         unsigned int index;
  56
  57         if (modem == NULL)
  58                 return;
  59
  60         dbg("send dbus %s requeset", request);
  61         contexts = modem->contexts;
  62         if (contexts == NULL) {
  63                 err("no profiles");
  64                 return;
  65         }
  66
  67         for (index = 0; index < g_slist_length(contexts); index++) {
  68                 gchar *s_path = NULL;
  69                 gpointer value = g_slist_nth_data(contexts, index);
  70                 ps_context_t *pscontext = (ps_context_t *)value;
  71                 int role = tcore_context_get_role(pscontext->co_context);
  72
  73                 s_path = _ps_context_ref_path(value);
  74                 dbg("value(%p), path(%s)", value, s_path);
  75
  76                 if (role == CONTEXT_ROLE_INTERNET && pscontext->is_default) {
  77                         if (!g_strcmp0(request, "IfaceDown"))
  78                                 _ps_context_handle_ifacedown(value);
  79                         else if (!g_strcmp0(request, "IfaceUp"))
  80                                 _ps_context_handle_ifaceup(value);
  81                 } else if (role == CONTEXT_ROLE_UNKNOWN || role == CONTEXT_ROLE_USER_DEFINED) {
  82                         warn("Not supported profile type: %d", role);
  83                         continue;
  84                 } else {
  85                         if (CONTEXT_STATE_ACTIVATED != tcore_context_get_state(pscontext->co_context))
  86                                 continue;
  87
  88                         if (!g_strcmp0(request, "InterfaceDown")) {
  89                                 warn("disconnect context request.");
  90                                 _ps_service_deactivate_context(pscontext->p_service, pscontext);
  91                         }
  92                 }
  93         }
  94         return;
  95 }
  96
  97 void __remove_master(gpointer data, gpointer user_data)
  98 {
  99         ps_master_t *master = data;
 100
 101         dbg("Entered");
 102
 103         /*Deinit alarm*/
 104         alarmmgr_fini();
 105
 106         /*Need to remove the compelete hash table*/
 107         g_hash_table_remove_all(master->modems);
 108
 109         /*Need to UNexport and Unref the master Object */
 110         g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(master->if_obj));
 111
 112         g_object_unref(master->if_obj);
 113
 114         /*Need to free the memory allocated for the members of the master*/
 115         g_free(master->path);
 116         g_free(master);
 117
 118         dbg("Exiting");
 119         return;
 120 }
 121
 122 static void __ps_master_emit_modem_added_signal(ps_master_t *master, gpointer modem)
 123 {
 124         GVariant *gv = NULL;
 125         GVariantBuilder properties;
 126
 127         dbg("get modem properties");
 128
 129         gv = _ps_modem_get_properties(modem, &properties);
 130         packet_service_master_emit_modem_added(master->if_obj, gv);
 131
 132         dbg("Exiting");
 133 }
 134
 135 #if 0
 136 static void __ps_master_emit_modem_removed_signal(ps_master_t *master, gpointer modem)
 137 {
 138         g_signal_emit(master, signals[SIG_MASTER_MODEM_REMOVED], 0, _ps_modem_ref_path(modem));
 139         dbg("master (%p) emit the modem(%p) removed signal", master, modem);
 140 }
 141 #endif
 142
 143 static void __ps_master_register_key_callback(gpointer object, enum tcore_storage_key key)
 144 {
 145         ps_master_t *master = (ps_master_t *) object;
 146         Server *s = tcore_plugin_ref_server(master->plg);
 147         static Storage *strg;
 148
 149         strg = tcore_server_find_storage(s, "vconf");
 150         tcore_storage_set_key_callback(strg, key, __ps_master_storage_key_callback, object);
 151
 152         return;
 153 }
 154
 155 static void __ps_master_storage_key_callback(enum tcore_storage_key key, void *value, void *user_data)
 156 {
 157         GVariant *tmp = NULL;
 158         GHashTableIter iter;
 159         gpointer h_key, h_value;
 160         gboolean type_check = FALSE;
 161         ps_master_t *master = (ps_master_t *)user_data;
 162
 163         dbg("storage key(%d) callback", key);
 164         g_return_if_fail(master != NULL);
 165
 166         tmp = (GVariant *)value;
 167         if (!tmp) {
 168                 err("value is null");
 169                 return;
 170         }
 171
 172         switch (key) {
 173         case KEY_3G_ENABLE:
 174         case KEY_DATA_ROAMING_SETTING:
 175         case KEY_NETWORK_RESTRICT_MODE:
 176                 type_check = g_variant_is_of_type(tmp, G_VARIANT_TYPE_BOOLEAN);
 177                 if (!type_check) {
 178                         err("wrong variant data type");
 179                         g_variant_unref(tmp);
 180                         return;
 181                 }
 182         break;
 183
 184         case KEY_POWER_SAVING_MODE:
 185         case KEY_PM_STATE:
 186 #ifdef POWER_SAVING_FEATURE_WEARABLE
 187         case KEY_WECONN_ALL_CONNECTED:
 188 #endif
 189                 type_check = g_variant_is_of_type(tmp, G_VARIANT_TYPE_INT32);
 190                 if (!type_check) {
 191                         dbg("wrong variant data type");
 192                         g_variant_unref(tmp);
 193                         return;
 194                 }
 195         break;
 196
 197         default:
 198                 warn("unknown key (0x%x)", key);
 199                 return;
 200         }
 201
 202         g_hash_table_iter_init(&iter, master->modems);
 203         while (g_hash_table_iter_next(&iter, &h_key, &h_value) == TRUE) {
 204                 if (key == KEY_3G_ENABLE) {
 205                         gboolean data_allowed = g_variant_get_boolean(tmp);
 206                         msg("[PSINFO] data_allowed [%d] changed", data_allowed);
 207 #if defined(TIZEN_PS_FORCE_ATTACH_DETACH)
 208                         if (_ps_master_get_storage_value_int(master, KEY_WECONN_ALL_CONNECTED) > 0) {
 209                                 if (data_allowed) {
 210                                         int sap_conn_type = SAP_CONN_TYPE_ALL;
 211                                         sap_conn_type = _ps_master_get_storage_value_int(master, KEY_SAP_CONNECTION_TYPE);
 212                                         if (sap_conn_type == SAP_CONN_TYPE_BT) {
 213                                                 dbg("[Companion mode] ignore data_allowed.");
 214                                                 return;
 215                                         }
 216                                 }
 217                         }
 218 #endif
 219                         _ps_modem_set_data_allowed(h_value, data_allowed);
 220                 } else if (key == KEY_DATA_ROAMING_SETTING) {
 221                         gboolean roaming_allowed = g_variant_get_boolean(tmp);
 222                         msg("[PSINFO] roaming_allowed [%d] changed.", roaming_allowed);
 223                         _ps_modem_set_data_roaming_allowed(h_value, roaming_allowed);
 224                 } else if (key == KEY_POWER_SAVING_MODE) {
 225                         gint ps_mode = g_variant_get_int32(tmp);
 226 #ifdef POWER_SAVING_FEATURE_WEARABLE
 227                         gboolean f_mode = _ps_modem_get_flght_mode(h_value);
 228                         gboolean f_mode_ups = _ps_modem_get_flght_mode_ups(h_value);
 229                         struct treq_modem_set_flightmode data = {0};
 230                         dbg("f_mode: %d, f_mode_ups: %d", f_mode, f_mode_ups);
 231
 232                         if (ps_mode == POWER_SAVING_MODE_NORMAL) {
 233                                 if (f_mode_ups != f_mode) {
 234                                         dbg("set flight mode off");
 235                                         data.enable = f_mode_ups;
 236                                 }
 237                         } else if (ps_mode == POWER_SAVING_MODE_WEARABLE) {
 238                                 if (!f_mode) {
 239                                         dbg("set flight mode on");
 240                                         /* save flight mode state when UPS off. */
 241                                         _ps_modem_set_flght_mode_ups(h_value, _ps_modem_get_flght_mode(h_value));
 242                                         data.enable = TRUE;
 243                                 }
 244                         } else {
 245                                 err("Not supported");
 246                                 return;
 247                         }
 248                         _ps_modem_send_filght_mode_request(h_value, &data);
 249 #endif
 250                         if (ps_mode == POWER_SAVING_MODE_NORMAL && ps_mode != _ps_modem_get_psmode(h_value))
 251                                 warn("[PSINFO] UPS mode change: On -> Off ");
 252
 253                         _ps_modem_set_psmode(h_value, ps_mode);
 254                 } else if (key == KEY_PM_STATE) {
 255                         gint pm_state = g_variant_get_int32(tmp);
 256                         gint ps_mode = _ps_modem_get_psmode(h_value);
 257                         dbg("current power saving mode: %d, pm_state: %d", ps_mode, pm_state);
 258                         if (ps_mode & POWER_SAVING_MODE_FMM) {
 259                                 warn("UPS by FMM: Do not change data network state.");
 260                                 return;
 261                         }
 262                         if (pm_state == 3) {/* LCD Off */
 263                                 if (ps_mode > POWER_SAVING_MODE_NORMAL && ps_mode < POWER_SAVING_MODE_WEARABLE) {
 264                                         msg("[PSINFO] LCD OFF. Start Deactivate with power saving [%d]", ps_mode);
 265                                         /* send dbus request pdp context deactivation. */
 266                                         __ps_master_handle_ups_mode(h_value, "IfaceDown");
 267                                 }
 268                         } else { /* LCD On or dimming */
 269                                 if (ps_mode > POWER_SAVING_MODE_NORMAL && ps_mode < POWER_SAVING_MODE_WEARABLE) {
 270                                         msg("[PSINFO] pm_state(%d) changed. Start activate with power saving [%d]", pm_state, ps_mode);
 271                                         /* send dbus request pdp context activation. */
 272                                         __ps_master_handle_ups_mode(h_value, "IfaceUp");
 273                                 }
 274                         }
 275                 } else if (key == KEY_NETWORK_RESTRICT_MODE) {
 276                         gboolean b_network_restrict = g_variant_get_boolean(tmp);
 277                         if (b_network_restrict) {
 278                                 msg("[PSINFO] network restricted mode on");
 279                                 _ps_modem_set_data_allowed(h_value, FALSE);
 280                         } else {
 281                                 gboolean key_3g_enable = FALSE;
 282                                 msg("[PSINFO] network restricted mode off");
 283                                 key_3g_enable = _ps_master_get_storage_value_bool(master, KEY_3G_ENABLE);
 284                                 _ps_modem_set_data_allowed(h_value, key_3g_enable);
 285                         }
 286 #ifdef STORAGE_KEY_WECONN_ALL_CONNECTED
 287                 } else if (key == KEY_WECONN_ALL_CONNECTED) {
 288                         int b_wms_connected = g_variant_get_int32(tmp);
 289                         if (b_wms_connected) {
 290                                 int sap_conn_type = SAP_CONN_TYPE_ALL;
 291                                 sap_conn_type = _ps_master_get_storage_value_int(master, KEY_SAP_CONNECTION_TYPE);
 292                                 if (sap_conn_type == SAP_CONN_TYPE_BT) {
 293                                         msg("[PSINFO][Wearable] Companinon mode. set data allowed FALSE");
 294                                         _ps_modem_set_data_allowed(h_value, FALSE);
 295                                 }
 296                         } else {
 297                                 gboolean key_3g_enable = FALSE;
 298                                 key_3g_enable = _ps_master_get_storage_value_bool(master, KEY_3G_ENABLE);
 299                                 msg("[PSINFO][Wearable] Standalone mode. set data allowed (%d)", key_3g_enable);
 300                                 _ps_modem_set_data_allowed(h_value, key_3g_enable);
 301                         }
 302 #endif
 303                 }
 304         }
 305
 306         return;
 307 }
 308
 309 gpointer _ps_master_create_master(GDBusConnection *conn, TcorePlugin *p)
 310 {
 311         PacketServiceMaster *master = NULL;
 312         ps_master_t *new_master = NULL;
 313         GError *error = NULL;
 314
 315         dbg("master object create");
 316         g_return_val_if_fail(conn != NULL, NULL);
 317
 318         /*creating the master object for the interface com.tcore.ps.master*/
 319         master = packet_service_master_skeleton_new();
 320         g_return_val_if_fail(master != NULL, NULL);
 321
 322
 323         /*Initializing the master list for internal referencing*/
 324         new_master = g_try_malloc0(sizeof(ps_master_t));
 325         if (NULL == new_master) {
 326                 err("Unable to allocate memory for master");
 327                 goto FAILURE;
 328         }
 329
 330         new_master->conn = conn;
 331         new_master->path = g_strdup(PS_MASTER_PATH);
 332         new_master->plg = p;
 333         new_master->if_obj = master;
 334         new_master->modems = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, __remove_modem_handler);
 335
 336         /*Setting Up the call backs for the interface*/
 337         _ps_master_setup_interface(master, new_master);
 338
 339         /*exporting the interface object to the path mention for master*/
 340         g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(master),
 341                         conn,
 342                         PS_MASTER_PATH,
 343                         &error);
 344
 345         g_assert_no_error(error);
 346
 347         /*Registering the key callbacks for values in storage settings */
 348         __ps_master_register_key_callback(new_master, KEY_3G_ENABLE);
 349         __ps_master_register_key_callback(new_master, KEY_DATA_ROAMING_SETTING);
 350 #if defined(TIZEN_UPS_ENABLED)
 351         __ps_master_register_key_callback(new_master, KEY_POWER_SAVING_MODE);
 352         __ps_master_register_key_callback(new_master, KEY_PM_STATE);
 353 #endif
 354         /* __ps_master_register_key_callback(new_master, KEY_PM_STATE); */
 355 #if defined(TIZEN_PS_FORCE_ATTACH_DETACH)
 356         __ps_master_register_key_callback(new_master, KEY_WECONN_ALL_CONNECTED);
 357 #endif
 358
 359         /*Alarm manager init*/
 360         dbg("init alarm manager.");
 361         if (alarmmgr_init("packetservice") != ALARMMGR_RESULT_SUCCESS) {
 362                 err("Failed to init alarm manager");
 363                 goto FAILURE;
 364         }
 365         /*Adding Hook for modem addition laters*/
 366         tcore_server_add_notification_hook(tcore_plugin_ref_server(p),
 367                 TNOTI_SERVER_ADDED_MODEM_PLUGIN, __on_hook_modem_added, new_master);
 368
 369         /*Adding Hook for modem removal laters*/
 370         tcore_server_add_notification_hook(tcore_plugin_ref_server(p),
 371                 TNOTI_SERVER_REMOVED_MODEM_PLUGIN, __on_hook_modem_removed, new_master);
 372
 373         dbg("Successfully created the master");
 374         return new_master;
 375
 376 FAILURE:
 377                 err("Unable to create master");
 378                 g_object_unref(master);
 379                 return NULL;
 380 }
 381
 382 gboolean _ps_master_create_modems(gpointer object, TcorePlugin *modem_plg)
 383 {
 384
 385         gpointer modem = NULL, tmp = NULL;
 386         ps_master_t *master = NULL;
 387         CoreObject *co_modem = NULL;
 388         gchar *modem_name = NULL;
 389         gchar *cp_name = NULL;
 390
 391         dbg("create modem objects");
 392         g_return_val_if_fail(object != NULL, FALSE);
 393
 394         master = (ps_master_t *)object;
 395         if (modem_plg) {
 396                 cp_name = (gchar *)tcore_server_get_cp_name_by_plugin(modem_plg);
 397                 modem_name = g_strdup_printf("/%s", cp_name);
 398                 tmp = g_hash_table_lookup(master->modems, modem_name);
 399                 if (tmp != NULL) {
 400                         dbg("modem (%p) already existed", tmp);
 401                         g_free(modem_name);
 402                         return FALSE;
 403                 }
 404
 405                 co_modem = tcore_plugin_ref_core_object(modem_plg, CORE_OBJECT_TYPE_MODEM);
 406
 407                 modem = _ps_modem_create_modem(master->conn, master->plg,
 408                         master, modem_name, co_modem, cp_name);
 409                 if (modem == NULL) {
 410                         dbg("fail to create modem");
 411                         g_free(modem_name);
 412                         return FALSE;
 413                 }
 414
 415                 g_hash_table_insert(master->modems, g_strdup(modem_name), modem);
 416                 dbg("modem (%p) created at path %s", modem , modem_name);
 417
 418                 __ps_master_emit_modem_added_signal(master, modem);
 419
 420                 g_free(modem_name);
 421         } else {
 422
 423                 /*Need to walk through all modem if any present before packet service intialization*/
 424                 Server *s;
 425                 TcorePlugin *p = NULL;
 426                 GSList *plist_head = NULL;
 427                 GSList *plist = NULL;
 428                 GSList *modemlist_head = NULL;
 429                 GSList *modemlist = NULL;
 430
 431                 s = tcore_plugin_ref_server(master->plg);
 432                 plist_head = tcore_server_get_modem_plugin_list(s);
 433
 434                 if (!plist_head) {
 435                         dbg("Modem plugin is not present");
 436                         return TRUE;
 437                 }
 438
 439                 plist = plist_head;
 440
 441                 while (plist) {
 442                         p = plist->data;
 443                         modemlist_head = tcore_plugin_get_core_objects_bytype(p, CORE_OBJECT_TYPE_MODEM);
 444                         if (!modemlist_head) {
 445                                 dbg("Found no modem core-objects");
 446                                 plist = plist->next;
 447                                 continue;
 448                         }
 449                         modemlist = modemlist_head;
 450                         while (modemlist) {
 451                                 co_modem = modemlist->data;
 452                                 cp_name = (gchar *)tcore_server_get_cp_name_by_plugin(tcore_object_ref_plugin(co_modem));
 453                                 modem_name = g_strdup_printf("/%s", cp_name);
 454                                 tmp = g_hash_table_lookup(master->modems, modem_name);
 455                                 if (tmp != NULL) {
 456                                         dbg("modem (%p) already existed", tmp);
 457                                         modemlist = modemlist->next;
 458                                         g_free(modem_name);
 459                                         continue;
 460                                 }
 461
 462                                 modem = _ps_modem_create_modem(master->conn, master->plg, master, modem_name, co_modem, cp_name);
 463                                 if (!modem) {
 464                                         dbg("Fail to create modem ");
 465                                         modemlist = modemlist->next;
 466                                         g_free(modem_name);
 467                                         continue;
 468                                 }
 469
 470                                 g_hash_table_insert(master->modems, g_strdup(modem_name), modem);
 471                                 dbg("modem (%p) created at path %s", modem , modem_name);
 472
 473                                 __ps_master_emit_modem_added_signal(master, modem);
 474
 475                                 g_free(modem_name);
 476                                 modemlist = modemlist->next;
 477                         }
 478                         g_slist_free(modemlist_head);
 479                         plist = plist->next;
 480                 }
 481
 482                 g_slist_free(plist_head);
 483         }
 484         return TRUE;
 485 }
 486
 487 gboolean _ps_master_destroy_modem(gpointer object, TcorePlugin *plugin)
 488 {
 489         ps_master_t *master = NULL;
 490
 491         gchar *modem_name;
 492         gpointer modem;
 493
 494         dbg("destroy modem object");
 495
 496         master = (ps_master_t *)object;
 497
 498         modem_name = g_strdup_printf("/%s",
 499                         tcore_server_get_cp_name_by_plugin(plugin));
 500
 501         modem = g_hash_table_lookup(master->modems, modem_name);
 502         if (modem == NULL) {
 503                 dbg("modem '%s' doesn't exists", modem_name);
 504                 g_free(modem_name);
 505                 return FALSE;
 506         }
 507
 508         /*  Destroy Modem */
 509         dbg("Destroying modem object for '%s' modem[%p]", modem_name, modem);
 510         _ps_modem_destroy_modem(master->conn, modem);
 511
 512         if (g_hash_table_remove(master->modems, modem_name) == TRUE)
 513                 dbg("Removed modem '%s'", modem_name);
 514
 515         g_free(modem_name);
 516
 517         return TRUE;
 518 }
 519
 520 gboolean _ps_master_get_storage_value_bool(gpointer object, enum tcore_storage_key key)
 521 {
 522         Server *s = NULL;
 523         Storage *strg = NULL;
 524         ps_master_t *master = object;
 525
 526         g_return_val_if_fail(master != NULL, FALSE);
 527         s = tcore_plugin_ref_server(master->plg);
 528         strg = tcore_server_find_storage(s, "vconf");
 529
 530         return tcore_storage_get_bool(strg, key);;
 531 }
 532
 533 gint _ps_master_get_storage_value_int(gpointer object, enum tcore_storage_key key)
 534 {
 535         Server *s = NULL;
 536         Storage *strg = NULL;
 537         ps_master_t *master = object;
 538
 539         g_return_val_if_fail(master != NULL, FALSE);
 540         s = tcore_plugin_ref_server(master->plg);
 541         strg = tcore_server_find_storage(s, "vconf");
 542
 543         return tcore_storage_get_int(strg, key);;
 544 }
 545
 546 gboolean _ps_master_set_storage_value_bool(gpointer object, enum tcore_storage_key key, gboolean value)
 547 {
 548         Server *s = NULL;
 549         Storage *strg = NULL;
 550         ps_master_t *master = object;
 551
 552         g_return_val_if_fail(master != NULL, FALSE);
 553         s = tcore_plugin_ref_server(master->plg);
 554         strg = tcore_server_find_storage(s, "vconf");
 555
 556         return tcore_storage_set_bool(strg, key, value);
 557 }
 558
 559 gboolean _ps_master_set_storage_value_int(gpointer object, enum tcore_storage_key key, gint value)
 560 {
 561         Server *s = NULL;
 562         Storage *strg = NULL;
 563         ps_master_t *master = object;
 564
 565         g_return_val_if_fail(master != NULL, FALSE);
 566         s = tcore_plugin_ref_server(master->plg);
 567         strg = tcore_server_find_storage(s, "vconf");
 568
 569         return tcore_storage_set_int(strg, key, value);
 570 }
 571
 572 static gboolean on_master_get_modems(PacketServiceMaster *obj_master,
 573                 GDBusMethodInvocation *invocation,
 574                 gpointer user_data)
 575 {
 576         GVariantBuilder b_modem;
 577         GVariant *modems;
 578
 579         GHashTableIter iter;
 580         gpointer key, value;
 581         ps_master_t *master = user_data;
 582         TcorePlugin *p = (master) ? master->plg : NULL;
 583         PsPrivInfo *priv_info = tcore_plugin_ref_user_data(p);
 584         cynara *p_cynara = (priv_info) ? priv_info->p_cynara : NULL;
 585
 586         if (!ps_util_check_access_control(p_cynara, invocation, AC_PS_PUBLIC, "r"))
 587                 return TRUE;
 588
 589         dbg("Entered");
 590
 591         if (master->modems == NULL) {
 592                 err("No modem Present");
 593                 FAIL_RESPONSE(invocation, PS_ERR_INTERNAL);
 594                 return TRUE;
 595         }
 596
 597         g_variant_builder_init(&b_modem, G_VARIANT_TYPE("a{sa{ss}}"));
 598
 599         g_hash_table_iter_init(&iter, master->modems);
 600         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 601
 602                 gchar *path = NULL;
 603                 path = _ps_modem_ref_path(value);
 604                 dbg("modem path [%s]", path);
 605
 606                 g_variant_builder_open(&b_modem, G_VARIANT_TYPE("{sa{ss}}"));
 607                 g_variant_builder_add(&b_modem, "s", g_strdup(path));
 608                 if (FALSE == _ps_modem_get_properties_handler(value, &b_modem)) {
 609                         err("Unable to get the modem properties");
 610                         g_variant_builder_close(&b_modem);
 611                         FAIL_RESPONSE(invocation, PS_ERR_INTERNAL);
 612                         return TRUE;
 613                 }
 614                 g_variant_builder_close(&b_modem);
 615         }
 616         modems = g_variant_builder_end(&b_modem);
 617
 618         packet_service_master_complete_get_modems(obj_master, invocation, modems);
 619         return TRUE;
 620 }
 621
 622 static void _ps_master_setup_interface(PacketServiceMaster *master, ps_master_t *master_data)
 623 {
 624         dbg("Entered");
 625
 626         g_signal_connect(master,
 627                         "handle-get-modems",
 628                         G_CALLBACK(on_master_get_modems),
 629                         master_data);
 630         return;
 631
 632 }