zigbee-daemon/zigbee-lib/src/zblib_service.c

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
   3  *
   4  * Contact: Suresh Kumar N (suresh.n@samsung.com)
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #include <dlfcn.h>
  20 #include <sys/stat.h>
  21
  22 #include <zblib.h>
  23 #include <zblib_service.h>
  24 #include <zblib_plugin.h>
  25 #include <zblib_service_interface.h>
  26 #include <zblib_request.h>
  27 #include <zblib_driver.h>
  28 #include <zblib_driver_manager.h>
  29
  30 struct _zblib_async_init_info {
  31         gboolean is_initialized; /**< Does initialization succeeded? */
  32         gboolean is_finished; /**< Does initialization finished? */
  33
  34         ZigBeePlugin *plugin; /**< ZigBee plugin */
  35         void *user_data; /**< User data */
  36 };
  37
  38 /**< ZigBee Service object */
  39 struct zblib_service_type {
  40         GMainLoop *main_loop; /**< Service main-loop */
  41
  42         GSList *interface_objs; /**< ZigBee Service interface objects */
  43         GSList *plugins; /**< ZigBee plug-ins */
  44
  45         GHashTable *request_table; /**< Request Hash table */
  46         guint request_id; /**< Request ID */
  47
  48         GSList *async_initializer; /**< Hash table for asynchronous initializer */
  49         zblib_plugin_init_finished_cb callback; /**< Callback */
  50 };
  51
  52 static GSList *__zblib_service_ref_async_initializer(ZigBeeService* service)
  53 {
  54         zblib_check_null_ret_error("service", service, NULL);
  55
  56         return service->async_initializer;
  57 }
  58
  59 static void __zblib_service_set_async_initializer(ZigBeeService* service, GSList* list)
  60 {
  61         zblib_check_null_ret("service", service);
  62
  63         service->async_initializer = list;
  64 }
  65
  66 static void __on_zblib_init_async_finished(gboolean result, void *user_data)
  67 {
  68         GSList *list_async = NULL;
  69         ZigBeeService *service = NULL;
  70         ZigBeePlugin *plugin = NULL;
  71         struct _zblib_async_init_info *info = (struct _zblib_async_init_info*)user_data;
  72         char *plugin_name = NULL;
  73
  74         int i = 0;
  75         int _finished_count = 0;
  76         int _succeeded_count = 0;
  77
  78         zblib_check_null_ret("info", info);
  79
  80         plugin = info->plugin;
  81         service = zblib_plugin_ref_service(plugin);
  82         zblib_check_null_ret("service", service);
  83
  84         plugin_name = zblib_plugin_get_plugin_name(plugin);
  85
  86         info->is_finished = TRUE;
  87         if (result) {
  88                 Z_LOGD("Plugin [%s] succeeded async init", plugin_name);
  89                 info->is_initialized = TRUE;
  90         } else {
  91                 Z_LOGE("Plugin [%s] failed to init !", plugin_name);
  92         }
  93         g_free(plugin_name);
  94
  95         /* Check all async initializer list */
  96         list_async = __zblib_service_ref_async_initializer(service);
  97         while (list_async != NULL) {
  98                 /* Initialize each plug-in */
  99                 struct _zblib_async_init_info *in =
 100                                 (struct _zblib_async_init_info *)(list_async->data);
 101                 i++;
 102                 if (G_UNLIKELY(NULL == in)) {
 103                         Z_LOGE("Invalid parameter !");
 104                         list_async = g_slist_next(list_async);
 105                         continue;
 106                 }
 107
 108                 if (in->is_finished)
 109                         _finished_count++;
 110                 if (in->is_initialized)
 111                         _succeeded_count++;
 112
 113                 list_async = g_slist_next(list_async);
 114         }
 115
 116         if (i == _finished_count) {
 117                 gboolean ret = TRUE;
 118                 guint driver_noti_id = (ZBLIB_DRIVER_TYPE_MANAGER << 24)
 119                                 | ZBLIB_MANAGER_NOTI_ZIGBEE_ENABLED;
 120
 121                 if (_finished_count == _succeeded_count) {
 122                         /* All initializer finished successfully */
 123                         Z_LOGD("All async init finished !");
 124                         ret = TRUE;
 125                 } else {
 126                         /* Some initializers are failed */
 127                         Z_LOGE("There are some failed plugin initializer !");
 128                         ret = FALSE;
 129                 }
 130                 /* Notify whether zigbee service is enabled or not */
 131                 zblib_plugin_send_notification(plugin,
 132                         driver_noti_id, &ret, sizeof(ret));
 133         }
 134 }
 135
 136 static void *__zblib_service_load_plugin(gchar *filename,
 137         ZblibPluginDescriptor_t **descriptor_out)
 138 {
 139         ZblibPluginDescriptor_t *descriptor = NULL;
 140         void *handle = NULL;
 141         struct stat stat_buf;
 142         char file_date[27];
 143
 144         zblib_check_null_ret_error("descriptor_out", descriptor_out, NULL);
 145
 146         /* Open .so */
 147         handle = dlopen(filename, RTLD_LAZY);
 148         if (G_UNLIKELY(NULL == handle)) {
 149                 Z_LOGE("dlopen() failed:[%s]", filename);
 150                 return NULL;
 151         }
 152
 153         /* Get symbol - "zigbee_plugin_descriptor" */
 154         descriptor = dlsym(handle, "zigbee_plugin_descriptor");
 155         if (G_UNLIKELY(NULL == descriptor)) {
 156                 Z_LOGE("dlsym() failed:[%s]", "plugin_define_desc");
 157                 dlclose(handle);
 158                 return NULL;
 159         }
 160
 161         Z_LOGD("%s plugin", descriptor->name);
 162         Z_LOGD(" - path = %s", filename);
 163         Z_LOGD(" - version = %d", descriptor->version);
 164
 165         memset(&stat_buf, 0x00, sizeof(stat_buf));
 166         memset(&file_date, '\0', sizeof(file_date));
 167
 168         if (0 == stat(filename, &stat_buf)) {
 169                 if (NULL != ctime_r(&stat_buf.st_mtime, file_date)) {
 170                         if (1 < strlen(file_date))
 171                                 file_date[strlen(file_date)-1] = '\0';
 172                         Z_LOGD(" - date = %s", file_date);
 173                 }
 174         }
 175
 176         /* Load plug-in */
 177         if (G_LIKELY(descriptor->load)) {
 178                 if (G_UNLIKELY(FALSE == descriptor->load())) {
 179                         Z_LOGW("load() failed... Skip this plugin!");
 180                         dlclose(handle);
 181                         return NULL;
 182                 } else {
 183                         Z_LOGI("Plug-in (%s) loaded!", descriptor->name);
 184                 }
 185         }
 186
 187         *descriptor_out = descriptor;
 188
 189         return handle;
 190 }
 191
 192 static gboolean __zblib_service_init_plugin(ZigBeePlugin *plugin)
 193 {
 194         const ZblibPluginDescriptor_t *descriptor = zblib_plugin_get_descriptor(plugin);
 195
 196         zblib_check_null_ret_error("descriptor", descriptor, FALSE);
 197         if (NULL == descriptor->init) {
 198                 Z_LOGD("descriptor->init is NULL, trying async init");
 199                 return FALSE;
 200         }
 201
 202         if (G_UNLIKELY(FALSE == descriptor->init(plugin))) {
 203                 char *plugin_name = zblib_plugin_get_plugin_name(plugin);
 204                 if (G_UNLIKELY(NULL != plugin_name)) {
 205                         Z_LOGE("plugin(%s) init failed!", plugin_name);
 206                         g_free(plugin_name);
 207                 }
 208                 return FALSE;
 209         }
 210
 211         return TRUE;
 212 }
 213
 214 static gboolean __zblib_service_init_async_plugin(ZigBeePlugin *plugin,
 215                 zblib_plugin_init_finished_cb callback, void *user_data)
 216 {
 217         const ZblibPluginDescriptor_t *descriptor = zblib_plugin_get_descriptor(plugin);
 218         char *plugin_name = NULL;
 219
 220         zblib_check_null_ret_error("descriptor", descriptor, FALSE);
 221         zblib_check_null_ret_error("descriptor->init_async", descriptor->init_async, FALSE);
 222
 223         plugin_name = zblib_plugin_get_plugin_name(plugin);
 224         if (G_UNLIKELY(NULL != plugin_name))
 225                 plugin_name = g_strdup("NONAME");
 226
 227         if (G_UNLIKELY(FALSE == descriptor->init_async(plugin, callback, user_data))) {
 228                 Z_LOGE("plugin(%s) init failed!", plugin_name);
 229                 g_free(plugin_name);
 230                 return FALSE;
 231         }
 232
 233         g_free(plugin_name);
 234         return TRUE;
 235 }
 236
 237 static gboolean __zblib_service_unload_plugin(ZigBeePlugin *plugin)
 238 {
 239         const ZblibPluginDescriptor_t *descriptor = zblib_plugin_get_descriptor(plugin);
 240         char *plugin_name = NULL;
 241
 242         zblib_check_null_ret_error("descriptor", descriptor, FALSE);
 243         zblib_check_null_ret_error("descriptor->unload", descriptor->unload, FALSE);
 244
 245         plugin_name = zblib_plugin_get_plugin_name(plugin);
 246
 247         descriptor->unload(plugin);
 248         Z_LOGI("plugin(%s) unloaded!", plugin_name);
 249
 250         g_free(plugin_name);
 251
 252         return TRUE;
 253 }
 254
 255 static void __zblib_service_remove_request_table_iter(gpointer key,
 256         gpointer value, gpointer user_data)
 257 {
 258         ZigBeeServiceInterface *service_interface = (ZigBeeServiceInterface *)user_data;
 259         gint request_id = GPOINTER_TO_INT(key);
 260
 261         NOT_USED(value);
 262
 263         zblib_check_null_ret("service_interface", service_interface);
 264
 265         Z_LOGD("Removing request id [%d]", request_id);
 266         zblib_request_free(service_interface, request_id);
 267 }
 268
 269 ZigBeeService *zblib_service_new()
 270 {
 271         ZigBeeService *service;
 272
 273         service = g_malloc0(sizeof(struct zblib_service_type));
 274
 275         /* Create g-main loop */
 276         service->main_loop = g_main_loop_new(NULL, FALSE);
 277         if (G_UNLIKELY(NULL == service->main_loop)) {
 278                 Z_LOGE("g-main loop creation failed!!!");
 279                 g_free(service);
 280                 return NULL;
 281         }
 282
 283         /* Create request hash table */
 284         service->request_table = g_hash_table_new_full(g_direct_hash,
 285                 g_direct_equal, NULL, NULL);
 286
 287         return service;
 288 }
 289
 290 void zblib_service_free(ZigBeeService *service)
 291 {
 292         zblib_check_null_ret("service", service);
 293
 294         if (service->request_table) {
 295                 GSList *interface_objs = NULL;
 296                 ZigBeeServiceInterface *service_interface = NULL;
 297
 298                 interface_objs = service->interface_objs;
 299                 if (NULL == interface_objs) {
 300                         Z_LOGE("interface_objs is NULL");
 301                 } else {
 302                         while (interface_objs) {
 303                                 service_interface = (ZigBeeServiceInterface *)interface_objs->data;
 304
 305                                 /* Remove left request */
 306                                 g_hash_table_foreach(service->request_table,
 307                                                 __zblib_service_remove_request_table_iter,
 308                                                 service_interface);
 309
 310                                 /* Move to next service interface */
 311                                 interface_objs = g_slist_next(interface_objs);
 312                         }
 313                         g_hash_table_remove_all(service->request_table);
 314                         g_hash_table_destroy(service->request_table);
 315                         service->request_table = NULL;
 316                 }
 317         }
 318
 319         /* Free async initializer */
 320         if (service->async_initializer) {
 321                 g_slist_free(service->async_initializer);
 322                 service->async_initializer = NULL;
 323         }
 324
 325         /* Free plug-ins */
 326         if (service->plugins) {
 327                 g_slist_free(service->plugins);
 328                 service->plugins = NULL;
 329         }
 330
 331         /* Unref 'g-main loop' */
 332         if (service->main_loop)
 333                 g_main_loop_unref(service->main_loop);
 334
 335         g_free(service);
 336 }
 337
 338 gboolean zblib_service_run(ZigBeeService *service)
 339 {
 340         zblib_check_null_ret_error("service", service, FALSE);
 341         zblib_check_null_ret_error("service->main_loop", service->main_loop, FALSE);
 342
 343         g_main_loop_run(service->main_loop);
 344
 345         return TRUE;
 346 }
 347
 348 gboolean zblib_service_exit(ZigBeeService *service)
 349 {
 350         zblib_check_null_ret_error("service", service, FALSE);
 351         zblib_check_null_ret_error("service->main_loop", service->main_loop, FALSE);
 352
 353         g_main_loop_quit(service->main_loop);
 354
 355         return TRUE;
 356 }
 357
 358 gboolean zblib_service_add_plugin(ZigBeeService *service, ZigBeePlugin *plugin)
 359 {
 360         gchar *plugin_name;
 361
 362         zblib_check_null_ret_error("service", service, FALSE);
 363         zblib_check_null_ret_error("plugin", plugin, FALSE);
 364
 365         plugin_name = zblib_plugin_get_plugin_name(plugin);
 366
 367         /* All plug-ins would be appended */
 368         service->plugins = g_slist_append(service->plugins, plugin);
 369         Z_LOGD("%s added", plugin_name);
 370         g_free(plugin_name);
 371
 372         return TRUE;
 373 }
 374
 375 gboolean zblib_service_remove_plugin(ZigBeeService *service, ZigBeePlugin *plugin)
 376 {
 377         zblib_check_null_ret_error("service", service, FALSE);
 378         zblib_check_null_ret_error("plugin", plugin, FALSE);
 379
 380         /* Specific vendor plug-in would be removed */
 381         service->plugins = g_slist_remove(service->plugins, plugin);
 382
 383         /* Deinitialize plugin */
 384         zblib_plugin_free(plugin);
 385
 386         return TRUE;
 387 }
 388
 389 gboolean zblib_service_load_plugins(ZigBeeService *service, const char *plugin_path)
 390 {
 391         const gchar *file = NULL;
 392         gchar *filename = NULL;
 393         GDir *dir = NULL;
 394         void *handle = NULL;
 395         ZblibPluginDescriptor_t *descriptor = NULL;
 396         ZigBeePlugin *plugin = NULL;
 397         gboolean ret;
 398
 399         zblib_check_null_ret_error("service", service, FALSE);
 400         zblib_check_null_ret_error("plugin_path", plugin_path, FALSE);
 401
 402         /* Open plug-in directory */
 403         dir = g_dir_open(plugin_path, 0, NULL);
 404         if (G_UNLIKELY(dir == NULL)) {
 405                 Z_LOGE("Directory open failed!");
 406                 return FALSE;
 407         }
 408
 409         /* Scan through all libraries in plug-in directory */
 410         while ((file = g_dir_read_name(dir)) != NULL) {
 411                 if ((g_str_has_prefix(file, "lib") == TRUE)
 412                                 || (g_str_has_suffix(file, ".so") == FALSE))
 413                         continue;
 414
 415                 filename = g_build_filename(plugin_path, file, NULL);
 416
 417                 /* Load plug-in */
 418                 handle = __zblib_service_load_plugin(filename, &descriptor);
 419                 if (G_UNLIKELY(NULL == handle)) {
 420                         g_free(filename);
 421                         continue;
 422                 }
 423
 424                 /* Create new plug-in */
 425                 plugin = zblib_plugin_new(service, filename, descriptor, handle);
 426                 if (G_UNLIKELY(NULL == plugin)) {
 427                         dlclose(handle);
 428                         g_free(filename);
 429                         continue;
 430                 }
 431
 432                 /* Add new plug-in */
 433                 ret = zblib_service_add_plugin(service, plugin);
 434                 if (G_UNLIKELY(FALSE == ret))
 435                         zblib_plugin_free(plugin);
 436
 437                 g_free(filename);
 438         }
 439         g_dir_close(dir);
 440
 441         return TRUE;
 442 }
 443
 444 gboolean zblib_service_initialize_plugins(ZigBeeService *service)
 445 {
 446         GSList *list;
 447         GSList *list_async;
 448
 449         zblib_check_null_ret_error("service", service, FALSE);
 450
 451         /* Refer plug-in list */
 452         list = zblib_service_ref_plugins(service);
 453         list_async = __zblib_service_ref_async_initializer(service);
 454         while (list != NULL) {
 455                 /* Initialize each plug-in */
 456                 ZigBeePlugin *plugin = (ZigBeePlugin *)(list->data);
 457                 if (FALSE == __zblib_service_init_plugin(plugin)) {
 458                         /* If there is no initializer, it should have asynchronous one */
 459                         const ZblibPluginDescriptor_t *descriptor =
 460                                         zblib_plugin_get_descriptor(plugin);
 461                         if (NULL != descriptor && NULL != descriptor->init_async) {
 462                                 /* Register async initializer */
 463                                 struct _zblib_async_init_info *info =
 464                                         g_try_new0(struct _zblib_async_init_info, 1);
 465                                 if (NULL == info) {
 466                                         Z_LOGE("Fatal : Failed to allocate memory");
 467                                         return FALSE;
 468                                 }
 469                                 info->is_finished = FALSE;
 470                                 info->is_initialized = FALSE;
 471                                 info->plugin = plugin;
 472                                 info->user_data = NULL;
 473
 474                                 list_async = g_slist_append(list_async, info);
 475                         } else {
 476                                 Z_LOGE("Fatal : Failed to initialize plugin");
 477                                 return FALSE;
 478                         }
 479                 }
 480                 list = g_slist_next(list);
 481         }
 482
 483         __zblib_service_set_async_initializer(service, list_async);
 484
 485         return TRUE;
 486 }
 487
 488 gboolean zblib_service_initialize_async_plugins(ZigBeeService *service)
 489 {
 490         GSList *list_async;
 491
 492         zblib_check_null_ret_error("service", service, FALSE);
 493
 494         /* Refer async initializer list */
 495         list_async = __zblib_service_ref_async_initializer(service);
 496         while (list_async != NULL) {
 497                 /* Initialize each plug-in */
 498                 struct _zblib_async_init_info *info =
 499                                 (struct _zblib_async_init_info *)(list_async->data);
 500
 501                 if (G_UNLIKELY(NULL == info)) {
 502                         Z_LOGE("Invalid parameter !");
 503                         list_async = g_slist_next(list_async);
 504                         continue;
 505                 }
 506
 507                 if (G_UNLIKELY(FALSE == __zblib_service_init_async_plugin(
 508                                         info->plugin, __on_zblib_init_async_finished, info))) {
 509                         Z_LOGE("Fatal : Failed to initialize mandatory plugin");
 510                         return FALSE;
 511                 }
 512                 list_async = g_slist_next(list_async);
 513         }
 514
 515         return TRUE;
 516 }
 517
 518 gboolean zblib_service_unload_plugins(ZigBeeService *service)
 519 {
 520         GSList *list;
 521
 522         zblib_check_null_ret_error("service", service, FALSE);
 523
 524         list = zblib_service_ref_plugins(service);
 525         while (list != NULL) {
 526                 ZigBeePlugin *plugin = list->data;
 527
 528                 /* Unload each plug-in */
 529                 if (G_UNLIKELY(FALSE == __zblib_service_unload_plugin(plugin))) {
 530                         list = g_slist_next(list);
 531                         continue;
 532                 }
 533
 534                 list = g_slist_next(list);
 535                 zblib_service_remove_plugin(service, plugin);
 536         }
 537
 538         return TRUE;
 539 }
 540
 541 GSList *zblib_service_ref_plugins(ZigBeeService *service)
 542 {
 543         zblib_check_null_ret_error("service", service, NULL);
 544
 545         return service->plugins;
 546 }
 547
 548 gboolean zblib_service_add_service_interface(ZigBeeService *service,
 549         ZigBeeServiceInterface *service_interface)
 550 {
 551         gchar *object_name;
 552
 553         zblib_check_null_ret_error("service", service, FALSE);
 554         zblib_check_null_ret_error("service_interface_name", service_interface, FALSE);
 555
 556         object_name = zblib_service_interface_get_name(service_interface);
 557
 558         /*
 559          * All service interface objects would be appended
 560          */
 561         service->interface_objs = g_slist_append(service->interface_objs, service_interface);
 562         Z_LOGD("%s added", object_name);
 563         g_free(object_name);
 564
 565         return TRUE;
 566 }
 567
 568 gboolean zblib_service_remove_service_interface(ZigBeeService *service,
 569         ZigBeeServiceInterface *service_interface)
 570 {
 571         zblib_check_null_ret_error("service", service, FALSE);
 572         zblib_check_null_ret_error("service_interface_name", service_interface, FALSE);
 573
 574         /*
 575          * service interface object would be removed
 576          */
 577         service->interface_objs = g_slist_remove(service->interface_objs, service_interface);
 578
 579         return TRUE;
 580 }
 581
 582 ZigBeeServiceInterface *zblib_service_ref_service_interface(ZigBeeService *service,
 583         const gchar *service_interface_name)
 584 {
 585         ZigBeeServiceInterface *service_interface = NULL;
 586         ZigBeeServiceInterface *tmp_service_interface = NULL;
 587         gchar *object_name;
 588
 589         GSList *list;
 590
 591         zblib_check_null_ret_error("service", service, NULL);
 592         zblib_check_null_ret_error("service_interface_name", service_interface_name, NULL);
 593
 594         list = service->interface_objs;
 595         while (list) {
 596                 tmp_service_interface = (ZigBeeServiceInterface *)list->data;
 597
 598                 /* Get object name of service_interface */
 599                 object_name = zblib_service_interface_get_name(tmp_service_interface);
 600                 if (g_strcmp0(service_interface_name, object_name) == 0) {
 601                         g_free(object_name);
 602
 603                         service_interface = tmp_service_interface;
 604                         break;
 605                 }
 606                 g_free(object_name);
 607
 608                 list = g_slist_next(list);
 609         }
 610
 611         if (NULL == service_interface) {
 612                 Z_LOGE("Service interface object of name '%s' not found!",
 613                         service_interface_name);
 614                 return NULL;
 615         }
 616
 617         Z_LOGD("'%s' found", service_interface_name);
 618
 619         return service_interface;
 620 }
 621
 622 GHashTable *zblib_service_ref_request_hash_table(ZigBeeService *service)
 623 {
 624         zblib_check_null_ret_error("service", service, NULL);
 625
 626         return service->request_table;
 627 }
 628
 629 gint zblib_service_generate_request_id(ZigBeeService *service)
 630 {
 631         zblib_check_null_ret_error("service", service, -1);
 632
 633         /* Increment request ID */
 634         service->request_id++;
 635
 636         return (gint)service->request_id;
 637 }
 638
 639 gboolean zblib_service_dispatch_request(ZigBeeService *service,
 640         guint request_id)
 641 {
 642         ZigBeePlugin *plugin = NULL;
 643         GSList *plugin_list = NULL;
 644         gboolean ret = FALSE;
 645
 646         zblib_check_null_ret_error("service", service, FALSE);
 647
 648         /* Fetch plugin_list */
 649         plugin_list = service->plugins;
 650         zblib_check_null_ret_error("plugin_list", plugin_list, FALSE);
 651
 652         while (plugin_list) {
 653                 plugin = (ZigBeePlugin *)plugin_list->data;
 654
 655                 /* Dispatch request to plugin */
 656                 ret = zblib_plugin_dispatch_request(plugin, request_id);
 657
 658                 /* Move to next plugin */
 659                 plugin_list = g_slist_next(plugin_list);
 660         }
 661
 662         return ret;
 663 }
 664
 665 void zblib_service_send_response(ZigBeeService *service,
 666         guint request_id, gpointer resp_data, guint resp_data_len)
 667 {
 668         ZigBeeServiceInterface *service_interface = NULL;
 669
 670         zblib_check_null_ret("service", service);
 671
 672         service_interface = zblib_request_ref_service_interface(service, request_id);
 673         zblib_check_null_ret("service_interface", service_interface);
 674
 675         /* Send response to service interface */
 676         zblib_service_interface_send_response(service_interface,
 677                 request_id, resp_data, resp_data_len);
 678 }
 679
 680 void zblib_service_send_notification(ZigBeeService *service,
 681         guint noti_id, gpointer noti_data, guint noti_data_len)
 682 {
 683         GSList *interface_objs = NULL;
 684         ZigBeeServiceInterface *service_interface = NULL;
 685
 686         zblib_check_null_ret("service", service);
 687
 688         interface_objs = service->interface_objs;
 689         zblib_check_null_ret("interface_objs", interface_objs);
 690
 691         while (interface_objs) {
 692                 service_interface = (ZigBeeServiceInterface *)interface_objs->data;
 693
 694                 /* Send notification to service interface */
 695                 zblib_service_interface_send_notification(service_interface,
 696                         noti_id, noti_data, noti_data_len);
 697
 698                 /* Move to next service interface */
 699                 interface_objs = g_slist_next(interface_objs);
 700         }
 701 }