bt-api/bt-gatt-client.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include <gio/gio.h>
  19 #include <glib.h>
  20 #include <glib/gprintf.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23 #include <stdint.h>
  24
  25 #include "bt-common.h"
  26 #include "bt-event-handler.h"
  27 #include "bt-gatt-client.h"
  28 #include "bt-internal-types.h"
  29 #include "bt-request-sender.h"
  30
  31 #define GATT_DEFAULT_TIMEOUT  (6 * 1000) // Dependent on supervision timeout 6 sec
  32
  33 typedef enum {
  34         TYPE_NONE,
  35         USER_DESC,
  36         CLIENT_CONF,
  37         SERVER_CONF,
  38         CHAR_FORMAT
  39 } char_descriptor_type_t;
  40
  41 static GSList *service_monitor_list = NULL;
  42
  43 BT_EXPORT_API int bluetooth_gatt_free_service_property(bt_gatt_service_property_t *svc_pty)
  44 {
  45         BT_CHECK_PARAMETER(svc_pty, return);
  46
  47         g_free(svc_pty->uuid);
  48         g_free(svc_pty->handle);
  49         g_strfreev(svc_pty->include_handles.handle);
  50         g_strfreev(svc_pty->char_handle.handle);
  51
  52         memset(svc_pty, 0, sizeof(bt_gatt_service_property_t));
  53
  54         return BLUETOOTH_ERROR_NONE;
  55 }
  56
  57 BT_EXPORT_API int bluetooth_gatt_free_char_property(bt_gatt_char_property_t *char_pty)
  58 {
  59         BT_CHECK_PARAMETER(char_pty, return);
  60
  61         g_free(char_pty->uuid);
  62         g_free(char_pty->name);
  63         g_free(char_pty->description);
  64         g_free(char_pty->val);
  65         g_free(char_pty->handle);
  66         g_strfreev(char_pty->char_desc_handle.handle);
  67
  68         memset(char_pty, 0, sizeof(bt_gatt_char_property_t));
  69
  70         return BLUETOOTH_ERROR_NONE;
  71 }
  72
  73 BT_EXPORT_API int bluetooth_gatt_free_desc_property(bt_gatt_char_descriptor_property_t *desc_pty)
  74 {
  75         BT_CHECK_PARAMETER(desc_pty, return);
  76
  77         g_free(desc_pty->uuid);
  78         g_free(desc_pty->val);
  79         g_free(desc_pty->handle);
  80
  81         memset(desc_pty, 0, sizeof(bt_gatt_char_descriptor_property_t));
  82
  83         return BLUETOOTH_ERROR_NONE;
  84 }
  85
  86 static char **__get_string_array_from_gptr_array(GPtrArray *gp)
  87 {
  88         gchar *gp_path = NULL;
  89         char **path = NULL;
  90         int i;
  91
  92         if (gp->len == 0)
  93                 return NULL;
  94
  95         path = g_malloc0((gp->len + 1) * sizeof(char *));
  96
  97         for (i = 0; i < gp->len; i++) {
  98                 gp_path = g_ptr_array_index(gp, i);
  99                 path[i] = g_strdup(gp_path);
 100         //      BT_DBG("path[%d] : [%s]", i, path[i]);
 101         }
 102
 103         return path;
 104 }
 105
 106 gboolean _bluetooth_gatt_check_service_change_watcher_address(
 107                 const bluetooth_device_address_t *device_addr)
 108 {
 109         GSList *l;
 110         char device_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 111         char secure_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 112
 113         _bt_convert_addr_type_to_string(device_address,
 114                         (unsigned char *)device_addr->addr);
 115
 116         for (l = service_monitor_list; l != NULL; l = l->next) {
 117                 char device_address2[BT_ADDRESS_STRING_SIZE] = { 0 };
 118                 char secure_address2[BT_ADDRESS_STRING_SIZE] = { 0 };
 119                 bluetooth_device_address_t *addr = l->data;
 120
 121                 _bt_convert_addr_type_to_string(device_address2,
 122                                 (unsigned char *)addr->addr);
 123                 _bt_convert_addr_string_to_secure_string(secure_address,
 124                                 device_address);
 125                 _bt_convert_addr_string_to_secure_string(secure_address2,
 126                                 device_address2);
 127                 BT_INFO("service_monitor_list [%s] - Input [%s]",
 128                                 secure_address2, secure_address);
 129
 130                 if (!memcmp(device_addr, addr,
 131                                 sizeof(bluetooth_device_address_t)))
 132                         return TRUE;
 133         }
 134
 135         return FALSE;
 136 }
 137
 138 BT_EXPORT_API int bluetooth_gatt_set_service_change_watcher(
 139                 const bluetooth_device_address_t *address, gboolean enable)
 140 {
 141         GSList *l;
 142         bluetooth_device_address_t *addr = NULL;
 143         char device_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 144         char secure_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 145
 146         _bt_convert_addr_type_to_string(device_address,
 147                         (unsigned char *)address->addr);
 148         _bt_convert_addr_string_to_secure_string(secure_address,
 149                         device_address);
 150         BT_INFO("Set watcher for %s with %d", secure_address, enable);
 151
 152         if (enable == TRUE) {
 153                 if (service_monitor_list == NULL)
 154                         _bt_register_manager_subscribe_signal(TRUE);
 155
 156                 if (_bluetooth_gatt_check_service_change_watcher_address(address)
 157                                 == TRUE) {
 158                         BT_INFO("The watcher is already set");
 159                         return BLUETOOTH_ERROR_NONE;
 160                 }
 161                 addr = g_malloc0(sizeof(bluetooth_device_address_t));
 162                 memcpy(addr, address, sizeof(bluetooth_device_address_t));
 163
 164                 service_monitor_list =
 165                         g_slist_append(service_monitor_list, addr);
 166         } else {
 167
 168                 for (l = service_monitor_list; l != NULL; l = l->next) {
 169                         addr = l->data;
 170                         if (!memcmp(address, addr,
 171                                         sizeof(bluetooth_device_address_t))) {
 172                                 service_monitor_list =
 173                                         g_slist_remove(service_monitor_list, addr);
 174                                 g_free(addr);
 175                                 break;
 176                         }
 177                 }
 178
 179                 if (service_monitor_list == NULL)
 180                         _bt_register_manager_subscribe_signal(FALSE);
 181         }
 182
 183         return BLUETOOTH_ERROR_NONE;
 184 }
 185
 186 BT_EXPORT_API int bluetooth_gatt_get_service_property(const char *service_handle,
 187                                                 bt_gatt_service_property_t *service)
 188 {
 189         GDBusProxy *properties_proxy = NULL;
 190         GError *error = NULL;
 191         GVariant *result = NULL;
 192         GDBusConnection *g_conn;
 193         gsize len;
 194         char *char_handle = NULL;
 195         GPtrArray *gp_array  = NULL ;
 196         GVariantIter *property_iter, *char_iter = NULL;
 197         const gchar *key;
 198         GVariant *value;
 199
 200         BT_CHECK_PARAMETER(service_handle, return);
 201         BT_CHECK_PARAMETER(service, return);
 202         BT_CHECK_ENABLED(return);
 203
 204         g_conn = _bt_gdbus_get_system_gconn();
 205         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 206
 207         properties_proxy = g_dbus_proxy_new_sync(g_conn,
 208                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 209                         BT_BLUEZ_NAME,
 210                         service_handle,
 211                         BT_PROPERTIES_INTERFACE,
 212                         NULL, &error);
 213
 214         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
 215
 216         result = g_dbus_proxy_call_sync(properties_proxy,
 217                                 "GetAll",
 218                                 g_variant_new("(s)", GATT_SERV_INTERFACE),
 219                                 G_DBUS_CALL_FLAGS_NONE,
 220                                 -1,
 221                                 NULL,
 222                                 &error);
 223
 224         if (!result) {
 225                 if (error != NULL) {
 226                         BT_ERR("Fail to get properties (Error: %s)", error->message);
 227                         g_clear_error(&error);
 228                 } else
 229                         BT_ERR("Fail to get properties");
 230                 g_object_unref(properties_proxy);
 231                 return BLUETOOTH_ERROR_INTERNAL;
 232         }
 233
 234         g_variant_get(result, "(a{sv})", &property_iter);
 235
 236         memset(service, 0, sizeof(bt_gatt_service_property_t));
 237
 238         while (g_variant_iter_loop(property_iter, "{sv}", &key, &value)) {
 239                 if (!g_strcmp0(key, "UUID")) {
 240                         char *name = NULL;
 241                         service->uuid = g_variant_dup_string(value, &len);
 242                         _bt_get_uuid_specification_name(service->uuid, &name);
 243                         BT_INFO("======> Service : %s [%s]", service->uuid, name);
 244                         g_free(name);
 245                 } else if (!g_strcmp0(key, "Primary")) {
 246                         service->primary = g_variant_get_boolean(value);
 247
 248                 } else if (!g_strcmp0(key, "Includes")) {
 249                         g_variant_get(value, "ao", &char_iter);
 250                         gp_array = g_ptr_array_new();
 251                         while (g_variant_iter_loop(char_iter, "&o", &char_handle))
 252                                 g_ptr_array_add(gp_array, (gpointer)char_handle);
 253
 254                         if (gp_array->len != 0) {
 255                                 service->include_handles.count = gp_array->len;
 256                                 service->include_handles.handle =
 257                                                 __get_string_array_from_gptr_array(gp_array);
 258                         }
 259                         g_ptr_array_free(gp_array, TRUE);
 260                         g_variant_iter_free(char_iter);
 261                 } else if (!g_strcmp0(key, "Characteristics")) {
 262                         g_variant_get(value, "ao", &char_iter);
 263                         gp_array = g_ptr_array_new();
 264                         while (g_variant_iter_loop(char_iter, "&o", &char_handle))
 265                                 g_ptr_array_add(gp_array, (gpointer)char_handle);
 266
 267                         if (gp_array->len != 0) {
 268                                 service->char_handle.count = gp_array->len;
 269                                 service->char_handle.handle =
 270                                                 __get_string_array_from_gptr_array(gp_array);
 271                         }
 272                         BT_DBG("Characteristics count : %d", service->char_handle.count);
 273                         g_ptr_array_free(gp_array, TRUE);
 274                         g_variant_iter_free(char_iter);
 275                 }
 276         }
 277
 278         service->handle = g_strdup(service_handle);
 279
 280         g_variant_iter_free(property_iter);
 281         g_variant_unref(result);
 282         g_object_unref(properties_proxy);
 283
 284         return BLUETOOTH_ERROR_NONE;
 285 }
 286
 287 BT_EXPORT_API int bluetooth_gatt_get_primary_services(
 288                 const bluetooth_device_address_t *address,
 289                 bt_gatt_handle_info_t *prim_svc)
 290 {
 291         GVariant *result = NULL;
 292         GVariantIter *iter;
 293         GVariantIter *svc_iter;
 294         GVariantIter *interface_iter;
 295         char *object_path = NULL;
 296         char *interface_str = NULL;
 297         const gchar *key = NULL;
 298         GVariant *value = NULL;
 299         GPtrArray *gp_array  = NULL;
 300         char device_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 301         char temp_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 302         int ret = BLUETOOTH_ERROR_INTERNAL;
 303
 304         BT_INFO("+");
 305         BT_CHECK_PARAMETER(address, return);
 306         BT_CHECK_PARAMETER(prim_svc, return);
 307         BT_CHECK_ENABLED(return);
 308
 309         result = _bt_get_managed_objects();
 310         if (result == NULL)
 311                 return ret;
 312
 313         _bt_convert_addr_type_to_string(device_address,
 314                         (unsigned char *)address->addr);
 315
 316         gp_array = g_ptr_array_new();
 317         g_variant_get(result, "(a{oa{sa{sv}}})", &iter);
 318
 319         while (g_variant_iter_loop(iter, "{&oa{sa{sv}}}", &object_path,
 320                         &interface_iter)) {
 321                 if (object_path == NULL)
 322                         continue;
 323
 324                 _bt_convert_device_path_to_address(object_path, temp_address);
 325
 326                 if (g_strcmp0(temp_address, device_address) != 0)
 327                         continue;
 328
 329                 while (g_variant_iter_loop(interface_iter, "{sa{sv}}",
 330                                 &interface_str, &svc_iter)) {
 331                         if (g_strcmp0(interface_str, GATT_SERV_INTERFACE) != 0)
 332                                 continue;
 333
 334                         BT_DBG("Object Path: %s", object_path);
 335                         while (g_variant_iter_loop(svc_iter, "{sv}", &key, &value)) {
 336                                 if (g_strcmp0(key, "Primary") == 0) {
 337                                         if (g_variant_get_boolean(value))
 338                                                 g_ptr_array_add(gp_array, (gpointer)object_path);
 339                                 }
 340                         }
 341                 }
 342         }
 343
 344         if (gp_array->len == 0) {
 345                 BT_ERR("gp_array is NULL");
 346                 ret = BLUETOOTH_ERROR_NOT_FOUND;
 347         } else {
 348                 ret = BLUETOOTH_ERROR_NONE;
 349                 prim_svc->count = gp_array->len;
 350                 prim_svc->handle = __get_string_array_from_gptr_array(gp_array);
 351         }
 352
 353         g_ptr_array_free(gp_array, TRUE);
 354         g_variant_iter_free(iter);
 355         g_variant_unref(result);
 356         BT_DBG("-");
 357         return ret;
 358 }
 359
 360 BT_EXPORT_API int bluetooth_gatt_get_service_from_uuid(bluetooth_device_address_t *address,
 361                         const char *service_uuid,
 362                         bt_gatt_service_property_t *service)
 363 {
 364         GVariant *result = NULL;
 365         GVariantIter *iter;
 366         GVariantIter *svc_iter;
 367         GVariantIter *interface_iter;
 368         char *object_path = NULL;
 369         char *interface_str = NULL;
 370         char device_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 371         char temp_address[BT_ADDRESS_STRING_SIZE] = { 0 };
 372         int ret = BLUETOOTH_ERROR_INTERNAL;
 373
 374         BT_CHECK_PARAMETER(address, return);
 375         BT_CHECK_PARAMETER(service_uuid, return);
 376         BT_CHECK_PARAMETER(service, return);
 377         BT_CHECK_ENABLED(return);
 378
 379         result = _bt_get_managed_objects();
 380         if (result == NULL)
 381                 return ret;
 382
 383         _bt_convert_addr_type_to_string(device_address,
 384                                 (unsigned char *)address->addr);
 385
 386         g_variant_get(result, "(a{oa{sa{sv}}})", &iter);
 387
 388         while (g_variant_iter_loop(iter, "{oa{sa{sv}}}", &object_path,
 389                         &interface_iter)) {
 390                 if (object_path == NULL)
 391                         continue;
 392
 393                 _bt_convert_device_path_to_address(object_path,
 394                                 temp_address);
 395
 396                 if (g_strcmp0(temp_address, device_address) != 0)
 397                         continue;
 398
 399                 while (g_variant_iter_loop(interface_iter, "{sa{sv}}",
 400                                 &interface_str, &svc_iter)) {
 401                         if (g_strcmp0(interface_str, GATT_SERV_INTERFACE) != 0)
 402                                 continue;
 403
 404                         BT_DBG("Object Path: %s", object_path);
 405                         ret = bluetooth_gatt_get_service_property(object_path,
 406                                         service);
 407
 408                         if (ret != BLUETOOTH_ERROR_NONE) {
 409                                 BT_ERR("Get service property failed(0x%08x)", ret);
 410                         } else {
 411                                 if (service->primary == TRUE &&
 412                                                 g_strstr_len(service->uuid, -1,
 413                                                                 service_uuid)) {
 414                                         ret = BLUETOOTH_ERROR_NONE;
 415                                         goto done;
 416                                 }
 417                         }
 418                         bluetooth_gatt_free_service_property(service);
 419                 }
 420         }
 421
 422 done:
 423         g_variant_iter_free(iter);
 424         g_variant_unref(result);
 425
 426         return ret;
 427 }
 428
 429 static void __bluetooth_internal_get_char_cb(GDBusProxy *proxy,
 430                 GAsyncResult *res, gpointer user_data)
 431 {
 432         GVariant *value;
 433         GVariant *char_value;
 434         GVariantIter *char_iter;
 435         GPtrArray *gp_array = NULL;
 436         bt_gatt_discovered_char_t svc_char = { 0, };
 437         char *char_handle;
 438         GError *error = NULL;
 439         bt_user_info_t *user_info;
 440
 441         BT_DBG("+");
 442
 443         user_info = _bt_get_user_data(BT_COMMON);
 444         svc_char.service_handle = user_data;
 445
 446         value = g_dbus_proxy_call_finish(proxy, res, &error);
 447
 448         if (value == NULL) {
 449                 if (error != NULL) {
 450                         BT_ERR("Get service characteristics failed\n errCode[%x],"
 451                                         "message[%s]\n", error->code, error->message);
 452                         g_clear_error(&error);
 453                 } else {
 454                         BT_ERR("Get service characteristics failed\n");
 455                 }
 456                 if (user_info) {
 457                         _bt_common_event_cb(BLUETOOTH_EVENT_GATT_SVC_CHAR_DISCOVERED,
 458                                 BLUETOOTH_ERROR_INTERNAL, NULL,
 459                                 user_info->cb, user_info->user_data);
 460                 }
 461                 g_free(svc_char.service_handle);
 462                 g_object_unref(proxy);
 463                 return;
 464         }
 465
 466         g_variant_get(value, "(v)", &char_value);
 467         g_variant_get(char_value, "ao", &char_iter);
 468
 469         gp_array = g_ptr_array_new();
 470         while (g_variant_iter_loop(char_iter, "&o",  &char_handle))
 471                 g_ptr_array_add(gp_array, (gpointer)char_handle);
 472
 473         if (gp_array->len != 0) {
 474                 svc_char.handle_info.count = gp_array->len;
 475                 svc_char.handle_info.handle =
 476                         __get_string_array_from_gptr_array(gp_array);
 477         }
 478         g_ptr_array_free(gp_array, TRUE);
 479
 480         if (user_info) {
 481                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_SVC_CHAR_DISCOVERED,
 482                         BLUETOOTH_ERROR_NONE, &svc_char,
 483                         user_info->cb, user_info->user_data);
 484         }
 485
 486         g_strfreev(svc_char.handle_info.handle);
 487         g_free(svc_char.service_handle);
 488         g_variant_iter_free(char_iter);
 489         g_variant_unref(value);
 490         g_object_unref(proxy);
 491 }
 492
 493 BT_EXPORT_API int bluetooth_gatt_discover_service_characteristics(
 494                         const char *service_handle)
 495 {
 496         GDBusProxy *properties_proxy = NULL;
 497         GDBusConnection *g_conn;
 498         GError *error = NULL;
 499         char *handle;
 500
 501         BT_DBG("+");
 502
 503         BT_CHECK_PARAMETER(service_handle, return);
 504         BT_CHECK_ENABLED(return);
 505
 506         g_conn = _bt_gdbus_get_system_gconn();
 507         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 508
 509         properties_proxy = g_dbus_proxy_new_sync(g_conn,
 510                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 511                         BT_BLUEZ_NAME,
 512                         service_handle,
 513                         BT_PROPERTIES_INTERFACE,
 514                         NULL, &error);
 515
 516         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
 517
 518         handle = g_strdup(service_handle);
 519         g_dbus_proxy_call(properties_proxy,
 520                         "Get",
 521                         g_variant_new("(ss)",
 522                                 GATT_SERV_INTERFACE, "Characteristics"),
 523                         G_DBUS_CALL_FLAGS_NONE,
 524                         -1,
 525                         NULL,
 526                         (GAsyncReadyCallback)__bluetooth_internal_get_char_cb,
 527                         (gpointer)handle);
 528
 529         BT_DBG("-");
 530         return BLUETOOTH_ERROR_NONE;
 531 }
 532
 533
 534 static int __get_permission_flag(char *permission)
 535 {
 536         int ret = 0;
 537
 538         retv_if(permission == NULL, ret);
 539
 540         BT_INFO("permission = %s", permission);
 541
 542         if (!g_strcmp0(permission, "broadcast"))
 543                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_BROADCAST;
 544         else if (!g_strcmp0(permission, "read"))
 545                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_READ;
 546         else if (!g_strcmp0(permission, "write-without-response"))
 547                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_WRITE_NO_RESPONSE;
 548         else if (!g_strcmp0(permission, "write"))
 549                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_WRITE;
 550         else if (!g_strcmp0(permission, "notify"))
 551                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_NOTIFY;
 552         else if (!g_strcmp0(permission, "indicate"))
 553                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_INDICATE;
 554         else if (!g_strcmp0(permission, "authenticated-signed-writes"))
 555                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_SIGNED_WRITE;
 556         else if (!g_strcmp0(permission, "reliable-write"))
 557                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_RELIABLE_WRITE;
 558         else if (!g_strcmp0(permission, "writable-auxiliaries"))
 559                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_WRITABLE_AUXILIARIES;
 560         else if (!g_strcmp0(permission, "encrypt-read"))
 561                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_ENCRYPT_READ;
 562         else if (!g_strcmp0(permission, "encrypt-write"))
 563                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_ENCRYPT_WRITE;
 564         else if (!g_strcmp0(permission, "encrypt-authenticated-read"))
 565                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_ENCRYPT_AUTHENTICATED_READ;
 566         else if (!g_strcmp0(permission, "encrypt-authenticated-write"))
 567                 ret = BLUETOOTH_GATT_CHARACTERISTIC_PROPERTY_ENCRYPT_AUTHENTICATED_WRITE;
 568
 569         return ret;
 570 }
 571
 572 BT_EXPORT_API int bluetooth_gatt_get_characteristics_property(
 573                 const char *char_handle, bt_gatt_char_property_t *characteristic)
 574 {
 575         GDBusProxy *properties_proxy = NULL;
 576         GError *error = NULL;
 577         GVariant *value = NULL;
 578         GVariant *result = NULL;
 579         GByteArray *gb_array = NULL;
 580         GPtrArray *gp_array  = NULL ;
 581         GDBusConnection *g_conn;
 582         guint8 char_value;
 583         const gchar *key;
 584         gchar* permission;
 585         char *char_desc_handle = NULL;
 586         gsize len;
 587         GVariantIter *property_iter;
 588         GVariantIter *char_value_iter;
 589         GVariantIter *char_perm_iter;
 590         GVariantIter *char_desc_iter;
 591
 592         BT_CHECK_PARAMETER(char_handle, return);
 593         BT_CHECK_PARAMETER(characteristic, return);
 594
 595         BT_CHECK_ENABLED(return);
 596
 597         g_conn = _bt_gdbus_get_system_gconn();
 598         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 599
 600         properties_proxy = g_dbus_proxy_new_sync(g_conn,
 601                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 602                         BT_BLUEZ_NAME,
 603                         char_handle,
 604                         BT_PROPERTIES_INTERFACE,
 605                         NULL, &error);
 606
 607         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
 608
 609         result = g_dbus_proxy_call_sync(properties_proxy,
 610                                 "GetAll",
 611                                         g_variant_new("(s)", GATT_CHAR_INTERFACE),
 612                                 G_DBUS_CALL_FLAGS_NONE,
 613                                 -1,
 614                                 NULL,
 615                                 &error);
 616
 617         if (!result) {
 618                 if (error != NULL) {
 619                         BT_ERR("Fail to get properties (Error: %s)", error->message);
 620                         g_clear_error(&error);
 621                 } else
 622                         BT_ERR("Fail to get properties");
 623                 g_object_unref(properties_proxy);
 624                 return BLUETOOTH_ERROR_INTERNAL;
 625         }
 626
 627         g_variant_get(result, "(a{sv})", &property_iter);
 628
 629         memset(characteristic, 0, sizeof(bt_gatt_char_property_t));
 630         characteristic->handle = g_strdup(char_handle);
 631
 632         while (g_variant_iter_loop(property_iter, "{sv}", &key, &value)) {
 633                 if (!g_strcmp0(key, "UUID")) {
 634                         char *name = NULL;
 635                         characteristic->uuid = g_variant_dup_string(value, &len);
 636                         _bt_get_uuid_specification_name(characteristic->uuid, &name);
 637                         BT_INFO("Characteristic : %s [%s]", characteristic->uuid, name);
 638                         g_free(name);
 639                 } else if (!g_strcmp0(key, "Value")) {
 640                         gb_array = g_byte_array_new();
 641                         g_variant_get(value, "ay", &char_value_iter);
 642                         while (g_variant_iter_loop(char_value_iter, "y",  &char_value)) {
 643                         //      BT_DBG("value of char = %d",char_value);
 644                                 g_byte_array_append(gb_array, &char_value, 1);
 645                         }
 646                         g_variant_iter_free(char_value_iter);
 647
 648                         if (gb_array->len != 0) {
 649                                 characteristic->val = g_malloc0(gb_array->len *
 650                                                                 sizeof(unsigned char));
 651                                 memcpy(characteristic->val, gb_array->data, gb_array->len);
 652                         }
 653                         characteristic->val_len = gb_array->len;
 654                         g_byte_array_free(gb_array, TRUE);
 655                 } else if (!g_strcmp0(key, "Flags")) {
 656                         g_variant_get(value, "as", &char_perm_iter);
 657                         characteristic->permission = 0x00;
 658
 659                         while (g_variant_iter_loop(char_perm_iter, "s", &permission))
 660                                 characteristic->permission |= __get_permission_flag(permission);
 661
 662                         g_variant_iter_free(char_perm_iter);
 663                 } else if (!g_strcmp0(key, "Descriptors")) {
 664                         g_variant_get(value, "ao", &char_desc_iter);
 665                         gp_array = g_ptr_array_new();
 666                         while (g_variant_iter_loop(char_desc_iter, "&o", &char_desc_handle))
 667                                 g_ptr_array_add(gp_array, (gpointer)char_desc_handle);
 668
 669                         g_variant_iter_free(char_desc_iter);
 670                         if (gp_array->len != 0) {
 671                                 characteristic->char_desc_handle.count = gp_array->len;
 672                                 characteristic->char_desc_handle.handle =
 673                                                 __get_string_array_from_gptr_array(gp_array);
 674                         }
 675                         g_ptr_array_free(gp_array, TRUE);
 676                 }
 677         }
 678
 679         g_variant_iter_free(property_iter);
 680         g_variant_unref(result);
 681         g_object_unref(properties_proxy);
 682
 683         return BLUETOOTH_ERROR_NONE;
 684 }
 685
 686 void bluetooth_gatt_get_char_from_uuid_cb(GDBusProxy *proxy,
 687                         GAsyncResult *res, gpointer user_data)
 688 {
 689         GVariant *value;
 690         GVariantIter *char_iter;
 691         char *char_handle;
 692         GError *error = NULL;
 693         bt_user_info_t *user_info;
 694         int ret = BLUETOOTH_ERROR_INTERNAL;
 695         bt_gatt_char_property_t characteristic;
 696
 697         user_info = _bt_get_user_data(BT_COMMON);
 698
 699         value = g_dbus_proxy_call_finish(proxy, res, &error);
 700
 701         if (value == NULL) {
 702                 if (error != NULL) {
 703                         BT_ERR("Get service characteristics failed\n errCode[%x],"
 704                                         "message[%s]\n", error->code, error->message);
 705                         g_clear_error(&error);
 706                 } else {
 707                         BT_ERR("Get service characteristics failed\n");
 708                 }
 709                 if (user_info) {
 710                         _bt_common_event_cb(BLUETOOTH_EVENT_GATT_GET_CHAR_FROM_UUID,
 711                                 BLUETOOTH_ERROR_INTERNAL, NULL,
 712                                 user_info->cb, user_info->user_data);
 713                 }
 714                 g_object_unref(proxy);
 715                 g_free(user_data);
 716                 return;
 717         }
 718
 719         g_variant_get(value, "(ao)", &char_iter);
 720
 721         while (g_variant_iter_loop(char_iter, "&o",  &char_handle)) {
 722                 if (!char_handle)
 723                         continue;
 724                 ret = bluetooth_gatt_get_characteristics_property(char_handle,
 725                                 &characteristic);
 726
 727                 if (ret != BLUETOOTH_ERROR_NONE) {
 728                         BT_ERR("Get characteristic property failed(0x%08x)", ret);
 729                 } else {
 730                         if (g_strstr_len(characteristic.uuid, -1, user_data)) {
 731                                 ret = BLUETOOTH_ERROR_NONE;
 732                                 break;
 733                         }
 734                 }
 735                 bluetooth_gatt_free_char_property(&characteristic);
 736         }
 737
 738         if (user_info) {
 739                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_GET_CHAR_FROM_UUID, ret,
 740                                 &characteristic, user_info->cb, user_info->user_data);
 741         }
 742
 743         bluetooth_gatt_free_char_property(&characteristic);
 744         g_variant_iter_free(char_iter);
 745         g_variant_unref(value);
 746         g_free(user_data);
 747 }
 748
 749 BT_EXPORT_API int bluetooth_gatt_get_char_from_uuid(const char *service_handle,
 750                                                 const char *char_uuid)
 751 {
 752         GDBusProxy *properties_proxy = NULL;
 753         GDBusConnection *g_conn;
 754         GError *error = NULL;
 755         char *uuid;
 756
 757         BT_CHECK_PARAMETER(service_handle, return);
 758         BT_CHECK_PARAMETER(char_uuid, return);
 759         BT_CHECK_ENABLED(return);
 760
 761         g_conn = _bt_gdbus_get_system_gconn();
 762         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 763
 764         properties_proxy = g_dbus_proxy_new_sync(g_conn,
 765                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 766                         BT_BLUEZ_NAME,
 767                         service_handle,
 768                         BT_PROPERTIES_INTERFACE,
 769                         NULL, &error);
 770
 771         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
 772
 773         uuid = g_strdup(char_uuid);
 774         g_dbus_proxy_call(properties_proxy,
 775                         "Get",
 776                         g_variant_new("(ss)",
 777                                 GATT_SERV_INTERFACE, "Characteristics"),
 778                         G_DBUS_CALL_FLAGS_NONE,
 779                         -1,
 780                         NULL,
 781                         (GAsyncReadyCallback)bluetooth_gatt_get_char_from_uuid_cb,
 782                         (gpointer)uuid);
 783
 784         return BLUETOOTH_ERROR_NONE;
 785 }
 786
 787 BT_EXPORT_API int bluetooth_gatt_get_char_descriptor_property(
 788                 const char *descriptor_handle, bt_gatt_char_descriptor_property_t *descriptor)
 789 {
 790         GDBusProxy *properties_proxy = NULL;
 791         GError *error = NULL;
 792         GDBusConnection *g_conn;
 793         GVariant *result = NULL;
 794         GVariantIter *property_iter;
 795         const gchar *key;
 796         guint8 char_value;
 797         gsize len;
 798         GVariant *value = NULL;
 799         GByteArray *gb_array = NULL;
 800         GVariantIter *desc_value_iter;
 801
 802         BT_CHECK_PARAMETER(descriptor_handle, return);
 803         BT_CHECK_PARAMETER(descriptor, return);
 804
 805         BT_CHECK_ENABLED(return);
 806
 807         g_conn = _bt_gdbus_get_system_gconn();
 808         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 809
 810         properties_proxy = g_dbus_proxy_new_sync(g_conn,
 811                         G_DBUS_PROXY_FLAGS_NONE, NULL,
 812                         BT_BLUEZ_NAME,
 813                         descriptor_handle,
 814                         BT_PROPERTIES_INTERFACE,
 815                         NULL, &error);
 816
 817         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
 818
 819         result = g_dbus_proxy_call_sync(properties_proxy,
 820                                 "GetAll",
 821                                         g_variant_new("(s)", GATT_DESC_INTERFACE),
 822                                 G_DBUS_CALL_FLAGS_NONE,
 823                                 -1,
 824                                 NULL,
 825                                 &error);
 826
 827         if (!result) {
 828                 if (error != NULL) {
 829                         BT_ERR("Fail to get properties (Error: %s)", error->message);
 830                         g_clear_error(&error);
 831                 } else
 832                         BT_ERR("Fail to get properties");
 833                 g_object_unref(properties_proxy);
 834                 return BLUETOOTH_ERROR_INTERNAL;
 835         }
 836
 837         g_variant_get(result, "(a{sv})", &property_iter);
 838
 839         memset(descriptor, 0, sizeof(bt_gatt_char_descriptor_property_t));
 840         descriptor->handle = g_strdup(descriptor_handle);
 841
 842         while (g_variant_iter_loop(property_iter, "{sv}", &key, &value)) {
 843                 if (!g_strcmp0(key, "UUID")) {
 844                         char *name = NULL;
 845                         descriptor->uuid = g_variant_dup_string(value, &len);
 846                         _bt_get_uuid_specification_name(descriptor->uuid, &name);
 847                         BT_INFO("Descriptor : %s [%s]", descriptor->uuid, name);
 848                         g_free(name);
 849                 } else if (!g_strcmp0(key, "Value")) {
 850                         gb_array = g_byte_array_new();
 851                         g_variant_get(value, "ay", &desc_value_iter);
 852                         while (g_variant_iter_loop(desc_value_iter, "y",  &char_value)) {
 853                                 BT_DBG("value of descriptor = %d", char_value);
 854                                 g_byte_array_append(gb_array, &char_value, 1);
 855                         }
 856                         g_variant_iter_free(desc_value_iter);
 857
 858                         if (gb_array->len != 0) {
 859                                 descriptor->val = g_malloc0(gb_array->len *
 860                                                                 sizeof(unsigned char));
 861                                 memcpy(descriptor->val, gb_array->data, gb_array->len);
 862                         }
 863                         descriptor->val_len = gb_array->len;
 864                         g_byte_array_free(gb_array, TRUE);
 865                 }
 866         }
 867
 868         g_variant_iter_free(property_iter);
 869         g_variant_unref(result);
 870         g_object_unref(properties_proxy);
 871
 872         return BLUETOOTH_ERROR_NONE;
 873 }
 874
 875 static void __bluetooth_internal_read_cb(GObject *source_object,
 876                         GAsyncResult *res,
 877                         gpointer user_data)
 878 {
 879         GError *error = NULL;
 880         bt_user_info_t *user_info;
 881         bt_gatt_char_value_t char_value =  { 0, };
 882         GDBusConnection *system_gconn = NULL;
 883         GVariant *value;
 884         GByteArray *gp_byte_array = NULL;
 885         GVariantIter *iter;
 886         guint8 g_byte;
 887         int ret = BLUETOOTH_ERROR_NONE;
 888
 889         BT_DBG("+");
 890         user_info = _bt_get_user_data(BT_COMMON);
 891
 892         system_gconn = _bt_gdbus_get_system_gconn();
 893         value = g_dbus_connection_call_finish(system_gconn, res, &error);
 894
 895         if (error) {
 896                 BT_ERR("Error : %s \n", error->message);
 897                 if (g_strrstr(error->message, "Not paired"))
 898                         ret = BLUETOOTH_ERROR_NOT_PAIRED;
 899                 else
 900                         ret = BLUETOOTH_ERROR_INTERNAL;
 901
 902                 g_clear_error(&error);
 903                 if (user_info) {
 904                         _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
 905                                 ret, NULL,
 906                                 user_info->cb, user_info->user_data);
 907                 }
 908                 g_free(user_data);
 909                 return;
 910         }
 911
 912         char_value.char_handle = user_data;
 913         gp_byte_array = g_byte_array_new();
 914         g_variant_get(value, "(ay)", &iter);
 915
 916         while (g_variant_iter_loop(iter, "y", &g_byte))
 917                 g_byte_array_append(gp_byte_array, &g_byte, 1);
 918
 919         if (gp_byte_array->len != 0) {
 920                 char_value.val_len = gp_byte_array->len;
 921                 char_value.char_value = gp_byte_array->data;
 922         }
 923
 924         if (user_info) {
 925                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
 926                                 BLUETOOTH_ERROR_NONE, &char_value,
 927                                 user_info->cb, user_info->user_data);
 928         }
 929
 930         g_free(char_value.char_handle);
 931         g_byte_array_free(gp_byte_array, TRUE);
 932         g_variant_unref(value);
 933         g_variant_iter_free(iter);
 934
 935         BT_DBG("-");
 936 }
 937
 938 BT_EXPORT_API int bluetooth_gatt_read_characteristic_value(const char *characteristic)
 939 {
 940         GDBusConnection *conn;
 941         char *handle;
 942         GVariantBuilder *builder = NULL;
 943         guint16 offset = 0;
 944
 945         BT_CHECK_PARAMETER(characteristic, return);
 946         BT_CHECK_ENABLED(return);
 947
 948         conn = _bt_gdbus_get_system_gconn();
 949         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 950
 951         handle = g_strdup(characteristic);
 952
 953         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 954
 955         /*offset*/
 956         g_variant_builder_add(builder, "{sv}", "offset",
 957                 g_variant_new("q", offset));
 958
 959         /* Device Object path*/
 960 //  g_variant_builder_add(builder, "{sv}", "device",
 961 //  g_variant_new_object("o", NULL));
 962
 963         g_dbus_connection_call(conn,
 964                         BT_BLUEZ_NAME,
 965                         characteristic,
 966                         GATT_CHAR_INTERFACE,
 967                         "ReadValue",
 968                         g_variant_new("(a{sv})", builder),
 969                         G_VARIANT_TYPE("(ay)"),
 970                         G_DBUS_CALL_FLAGS_NONE,
 971                         -1,
 972                         NULL,
 973                         (GAsyncReadyCallback)__bluetooth_internal_read_cb,
 974                         (gpointer)handle);
 975         g_variant_builder_unref(builder);
 976
 977         return BLUETOOTH_ERROR_NONE;
 978 }
 979
 980 BT_EXPORT_API int bluetooth_gatt_set_characteristics_value(
 981                 const char *char_handle, const guint8 *value, int length)
 982 {
 983         GVariant *val, *options;
 984         GVariantBuilder *builder1;
 985         GVariantBuilder *builder2;
 986         GError *error = NULL;
 987         GDBusConnection *conn;
 988         int i = 0;
 989         guint16 offset = 0;
 990
 991         BT_DBG("+");
 992         BT_CHECK_PARAMETER(char_handle, return);
 993         BT_CHECK_PARAMETER(value, return);
 994         retv_if(length == 0, BLUETOOTH_ERROR_INVALID_PARAM);
 995         BT_CHECK_ENABLED(return);
 996
 997         conn = _bt_gdbus_get_system_gconn();
 998         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 999
1000         builder1 = g_variant_builder_new(G_VARIANT_TYPE("ay"));
1001         for (i = 0; i < length; i++)
1002                 g_variant_builder_add(builder1, "y", value[i]);
1003
1004         val = g_variant_new("ay", builder1);
1005
1006         builder2 = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1007         /*offset*/
1008         g_variant_builder_add(builder2, "{sv}", "offset",
1009                                 g_variant_new_uint16(offset));
1010
1011         /* Device Object path*/
1012 //  g_variant_builder_add(builder2, "{sv}", "device",
1013 //  g_variant_new_object("o", NULL));
1014
1015         options = g_variant_new("a{sv}", builder2);
1016
1017         g_dbus_connection_call_sync(conn,
1018                         BT_BLUEZ_NAME,
1019                         char_handle,
1020                         GATT_CHAR_INTERFACE,
1021                         "WriteValue",
1022                         g_variant_new("(@ay@a{sv})", val, options),
1023                         NULL,
1024                         G_DBUS_CALL_FLAGS_NONE,
1025                         -1, NULL, &error);
1026
1027         if (error) {
1028                 BT_ERR("Set value Failed: %s", error->message);
1029                 g_clear_error(&error);
1030                 g_variant_builder_unref(builder1);
1031                 return BLUETOOTH_ERROR_INTERNAL;
1032         }
1033         g_variant_builder_unref(builder1);
1034         g_variant_builder_unref(builder2);
1035
1036         BT_DBG("-");
1037         return BLUETOOTH_ERROR_NONE;
1038 }
1039
1040 static void __bluetooth_internal_write_cb(GObject *source_object,
1041                         GAsyncResult *res,
1042                         gpointer user_data)
1043 {
1044         GError *error = NULL;
1045         bt_user_info_t *user_info;
1046         GDBusConnection *system_gconn = NULL;
1047         GVariant *value;
1048         int result = BLUETOOTH_ERROR_NONE;
1049         guint8 att_ecode = 0;
1050
1051         user_info = _bt_get_user_data(BT_COMMON);
1052
1053         system_gconn = _bt_gdbus_get_system_gconn();
1054         value = g_dbus_connection_call_finish(system_gconn, res, &error);
1055
1056         if (error) {
1057                 BT_ERR("Error : %s \n", error->message);
1058                 g_clear_error(&error);
1059                 result = BLUETOOTH_ERROR_INTERNAL;
1060         } else {
1061                 g_variant_get(value, "(y)", &att_ecode);
1062                 if (att_ecode) {
1063                         result =  att_ecode;
1064                         BT_ERR("ATT Error code: %d \n", att_ecode);
1065                 }
1066         }
1067
1068         if (user_info) {
1069                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_WRITE_CHAR,
1070                                 result, NULL,
1071                                 user_info->cb, user_info->user_data);
1072         } else {
1073                 BT_ERR("user info is null");
1074         }
1075
1076         if (value)
1077                 g_variant_unref(value);
1078
1079         return;
1080 }
1081
1082 BT_EXPORT_API int bluetooth_gatt_set_characteristics_value_by_type(
1083                 const char *char_handle, const guint8 *value, int length, guint8 write_type)
1084 {
1085         GVariant *val, *options;
1086         GVariantBuilder *builder1;
1087         GVariantBuilder *builder2;
1088         GDBusConnection *conn;
1089         guint16 offset = 0;
1090         int i = 0;
1091         int ret = BLUETOOTH_ERROR_NONE;
1092
1093         BT_CHECK_PARAMETER(char_handle, return);
1094         BT_CHECK_PARAMETER(value, return);
1095         retv_if(length == 0, BLUETOOTH_ERROR_INVALID_PARAM);
1096         BT_CHECK_ENABLED_INTERNAL(return);
1097
1098         conn = _bt_gdbus_get_system_gconn();
1099         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1100
1101         builder1 = g_variant_builder_new(G_VARIANT_TYPE("ay"));
1102
1103         for (i = 0; i < length; i++)
1104                 g_variant_builder_add(builder1, "y", value[i]);
1105
1106         val = g_variant_new("ay", builder1);
1107
1108         builder2 = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1109         /*offset*/
1110         g_variant_builder_add(builder2, "{sv}", "offset",
1111                         g_variant_new_uint16(offset));
1112
1113         /* Device Object path*/
1114 //  g_variant_builder_add(builder2, "{sv}", "device",
1115 //  g_variant_new_object("o", NULL));
1116
1117         options = g_variant_new("a{sv}", builder2);
1118
1119         g_dbus_connection_call(conn,
1120                         BT_BLUEZ_NAME,
1121                         char_handle,
1122                         GATT_CHAR_INTERFACE,
1123                         "WriteValuebyType",
1124                         g_variant_new("(y@ay@a{sv})",
1125                         write_type, val, options),
1126                         G_VARIANT_TYPE("(y)"),
1127                         G_DBUS_CALL_FLAGS_NONE,
1128                         -1, NULL,
1129                         (GAsyncReadyCallback)__bluetooth_internal_write_cb,
1130                         NULL);
1131
1132         g_variant_builder_unref(builder1);
1133         g_variant_builder_unref(builder2);
1134         return ret;
1135 }
1136
1137 BT_EXPORT_API int bluetooth_gatt_set_characteristics_value_request(
1138                         const char *char_handle, const guint8 *value, int length)
1139 {
1140         GVariant *val, *options;
1141         GDBusConnection *conn;
1142         GVariantBuilder *builder1;
1143         GVariantBuilder *builder2;
1144         guint offset = 0;
1145         int i;
1146
1147         BT_DBG("+");
1148         BT_CHECK_PARAMETER(char_handle, return);
1149         BT_CHECK_PARAMETER(value, return);
1150         retv_if(length == 0, BLUETOOTH_ERROR_INVALID_PARAM);
1151         BT_CHECK_ENABLED(return);
1152
1153         conn = _bt_gdbus_get_system_gconn();
1154         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1155
1156         builder1 = g_variant_builder_new(G_VARIANT_TYPE("ay"));
1157
1158         for (i = 0; i < length; i++) {
1159                 g_variant_builder_add(builder1, "y", value[i]);
1160                 BT_DBG("value [] = %d", value[i]);
1161         }
1162
1163         val = g_variant_new("ay", builder1);
1164
1165         builder2 = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1166         /*offset*/
1167         g_variant_builder_add(builder2, "{sv}", "offset",
1168                                 g_variant_new_uint16(offset));
1169
1170         /* Device Object path*/
1171 //  g_variant_builder_add(builder2, "{sv}", "device",
1172 //  g_variant_new_object("o", NULL));
1173
1174         options = g_variant_new("a{sv}", builder2);
1175
1176         g_dbus_connection_call(conn,
1177                                 BT_BLUEZ_NAME,
1178                                 char_handle,
1179                                 GATT_CHAR_INTERFACE,
1180                                 "WriteValue",
1181                                 g_variant_new("(@ay@a{sv})",
1182                                 val, options),
1183                                 NULL,
1184                                 G_DBUS_CALL_FLAGS_NONE,
1185                                 -1, NULL,
1186                                 (GAsyncReadyCallback)__bluetooth_internal_write_cb,
1187                                 NULL);
1188
1189         g_variant_builder_unref(builder1);
1190         g_variant_builder_unref(builder2);
1191
1192         BT_DBG("-");
1193         return BLUETOOTH_ERROR_NONE;
1194 }
1195
1196 static int __bluetooth_gatt_descriptor_iter(const char *char_handle,
1197                         bt_gatt_char_property_t *characteristic)
1198 {
1199         BT_DBG("+");
1200         GDBusProxy *properties_proxy = NULL;
1201         GError *error = NULL;
1202         GVariant *value = NULL;
1203         GVariant *result = NULL;
1204         GDBusConnection *g_conn;
1205         int i, ret = BLUETOOTH_ERROR_NONE;
1206         const char *uuid = NULL;
1207         gsize len = 0;
1208         GVariantIter *desc_value_iter, *property_iter;
1209         const gchar *key;
1210         char_descriptor_type_t desc_type = TYPE_NONE;
1211
1212         g_conn = _bt_gdbus_get_system_gconn();
1213         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1214
1215         properties_proxy = g_dbus_proxy_new_sync(g_conn,
1216                         G_DBUS_PROXY_FLAGS_NONE, NULL,
1217                         BT_BLUEZ_NAME,
1218                         char_handle,
1219                         BT_PROPERTIES_INTERFACE,
1220                         NULL, &error);
1221
1222         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
1223
1224         result = g_dbus_proxy_call_sync(properties_proxy,
1225                                 "GetAll",
1226                                 g_variant_new("(s)", GATT_DESC_INTERFACE),
1227                                 G_DBUS_CALL_FLAGS_NONE,
1228                                 -1,
1229                                 NULL,
1230                                 &error);
1231
1232         if (!result) {
1233                 if (error != NULL) {
1234                         BT_ERR("Fail to get properties (Error: %s)", error->message);
1235                         g_clear_error(&error);
1236                 } else
1237                         BT_ERR("Fail to get properties");
1238                 g_object_unref(properties_proxy);
1239                 return BLUETOOTH_ERROR_INTERNAL;
1240         }
1241         g_variant_get(result, "(a{sv})", &property_iter);
1242         while (g_variant_iter_loop(property_iter, "{sv}", &key, &value)) {
1243                 if (!g_strcmp0(key, "UUID")) {
1244                         uuid = g_variant_get_string(value, &len);
1245                         if (g_strcmp0(uuid, GATT_USER_DESC_UUID) == 0) {
1246                                 BT_DBG("GATT_USER_DESC_UUID");
1247                                 desc_type = USER_DESC;
1248                         } else if (g_strcmp0(uuid, GATT_CHAR_FORMAT) == 0) {
1249                                 BT_DBG("GATT_CHAR_FORMAT");
1250                                 desc_type = CHAR_FORMAT;
1251                         } else if (g_strcmp0(uuid, GATT_CHAR_CLIENT_CONF) == 0) {
1252                                 BT_DBG("GATT_CHAR_CLIENT_CONF");
1253                                 desc_type = CLIENT_CONF;
1254                         } else if (g_strcmp0(uuid, GATT_CHAR_SERVER_CONF) == 0) {
1255                                 BT_DBG("GATT_CHAR_SERVER_CONF");
1256                                 desc_type = SERVER_CONF;
1257                         } else {
1258                                 BT_DBG("descriptor uuid = %s", uuid);
1259                         }
1260                 } else if (!g_strcmp0(key, "Value")) {
1261                         switch (desc_type) {
1262                         case CHAR_FORMAT:
1263                                 BT_DBG("Format descriptor");
1264                                 g_variant_get(value, "(yyqyq)",
1265                                                 &(characteristic->format.format),
1266                                                 &(characteristic->format.exponent),
1267                                                 &(characteristic->format.unit),
1268                                                 &(characteristic->format.name_space),
1269                                                 &(characteristic->format.description));
1270                                 break;
1271                         case USER_DESC:
1272                                 BT_DBG("User descriptor");
1273                                 g_variant_get(value, "ay", &desc_value_iter);
1274                                 len = g_variant_get_size((GVariant *)desc_value_iter);
1275
1276                                 if (len > 0)
1277                                         characteristic->description = (char *)g_malloc0(len + 1);
1278
1279                                 for (i = 0; i < len; i++) {
1280                                         g_variant_iter_loop(desc_value_iter, "y",
1281                                                 &characteristic->description[i]);
1282                                         BT_DBG("description = %s", characteristic->description);
1283                                 }
1284                                 g_variant_iter_free(desc_value_iter);
1285                                 break;
1286                         case CLIENT_CONF:
1287                                 BT_DBG(" CLIENT_CONF");
1288                                 break;
1289                         case SERVER_CONF:
1290                                 BT_DBG(" SERVER_CONF");
1291                                 break;
1292                         default:
1293                                 break;
1294                         }
1295                 }
1296         }
1297
1298         g_variant_iter_free(property_iter);
1299         g_variant_unref(result);
1300         g_object_unref(properties_proxy);
1301
1302         BT_DBG("-");
1303         return ret;
1304 }
1305
1306
1307 static void bluetooth_gatt_get_char_desc_cb(GDBusProxy *proxy,
1308                         GAsyncResult *res, gpointer user_data)
1309 {
1310         BT_DBG("+");
1311         GVariant *value;
1312         GVariant        *char_value;
1313         GVariantIter *char_iter;
1314         char *char_handle;
1315         GError *error = NULL;
1316         bt_user_info_t *user_info;
1317         bt_gatt_char_property_t characteristic = {0, };
1318         int ret = BLUETOOTH_ERROR_INTERNAL;
1319
1320         user_info = _bt_get_user_data(BT_COMMON);
1321
1322         value = g_dbus_proxy_call_finish(proxy, res, &error);
1323
1324         if (value == NULL) {
1325                 if (error != NULL) {
1326                         BT_ERR("Get characteristic descriptor failed\n errCode[%x],"
1327                                         "message[%s]\n", error->code, error->message);
1328                         g_clear_error(&error);
1329                 } else {
1330                         BT_ERR("Get characteristic descriptor failed\n");
1331                 }
1332                 if (user_info) {
1333                         _bt_common_event_cb(BLUETOOTH_EVENT_GATT_SVC_CHAR_DESC_DISCOVERED,
1334                                 BLUETOOTH_ERROR_INTERNAL, NULL,
1335                                 user_info->cb, user_info->user_data);
1336                 }
1337                 g_free(user_data);
1338                 g_object_unref(proxy);
1339                 return;
1340         }
1341
1342         g_variant_get(value, "(v)", &char_value);
1343         g_variant_get(char_value, "ao", &char_iter);
1344
1345         while (g_variant_iter_loop(char_iter, "&o",  &char_handle)) {
1346                 BT_DBG("object path of descriptor = %s", char_handle);
1347                 if (char_handle) {
1348                         ret = __bluetooth_gatt_descriptor_iter(char_handle,
1349                                                 &characteristic);
1350                         BT_DBG("Descriptor read status [%d]", ret);
1351                 }
1352         }
1353
1354         characteristic.handle = user_data;
1355         if (user_info) {
1356                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_SVC_CHAR_DESC_DISCOVERED,
1357                                 ret, &characteristic, user_info->cb, user_info->user_data);
1358         }
1359         bluetooth_gatt_free_char_property(&characteristic);
1360
1361         g_variant_iter_free(char_iter);
1362         g_variant_unref(value);
1363         BT_DBG("-");
1364 }
1365
1366 BT_EXPORT_API int bluetooth_gatt_discover_characteristic_descriptor(
1367                         const char *characteristic_handle)
1368 {
1369         GDBusProxy *properties_proxy = NULL;
1370         GDBusConnection *g_conn;
1371         char *handle;
1372         GError *error = NULL;
1373
1374         BT_CHECK_PARAMETER(characteristic_handle, return);
1375         BT_CHECK_ENABLED(return);
1376
1377         g_conn = _bt_gdbus_get_system_gconn();
1378         retv_if(g_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1379
1380         properties_proxy = g_dbus_proxy_new_sync(g_conn,
1381                         G_DBUS_PROXY_FLAGS_NONE, NULL,
1382                         BT_BLUEZ_NAME,
1383                         characteristic_handle,
1384                         BT_PROPERTIES_INTERFACE,
1385                         NULL, &error);
1386
1387         retv_if(properties_proxy == NULL, BLUETOOTH_ERROR_INTERNAL);
1388
1389         handle = g_strdup(characteristic_handle);
1390         g_dbus_proxy_call(properties_proxy,
1391                         "Get",
1392                         g_variant_new("(ss)",
1393                                 GATT_CHAR_INTERFACE, "Descriptors"),
1394                         G_DBUS_CALL_FLAGS_NONE,
1395                         -1, NULL,
1396                         (GAsyncReadyCallback)bluetooth_gatt_get_char_desc_cb,
1397                         (gpointer)handle);
1398
1399         return BLUETOOTH_ERROR_NONE;
1400 }
1401
1402 static void __bluetooth_internal_read_desc_cb(GObject *source_object,
1403                         GAsyncResult *res,
1404                         gpointer user_data)
1405 {
1406         GError *error = NULL;
1407         bt_user_info_t *user_info;
1408         bt_gatt_char_property_t char_value =  { 0, };
1409         GDBusConnection *system_gconn = NULL;
1410         GVariant *value;
1411         GByteArray *gp_byte_array = NULL;
1412         GVariantIter *iter;
1413         guint8 g_byte;
1414
1415         BT_DBG("+");
1416         user_info = _bt_get_user_data(BT_COMMON);
1417         system_gconn = _bt_gdbus_get_system_gconn();
1418
1419         char_value.handle = user_data;
1420         value = g_dbus_connection_call_finish(system_gconn, res, &error);
1421
1422         if (error) {
1423                 BT_ERR("Error : %s \n", error->message);
1424                 g_clear_error(&error);
1425                 if (user_info) {
1426                         _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
1427                                         BLUETOOTH_ERROR_INTERNAL, NULL,
1428                                         user_info->cb, user_info->user_data);
1429                 }
1430                 g_free(char_value.handle);
1431                 return;
1432         }
1433
1434         gp_byte_array = g_byte_array_new();
1435         g_variant_get(value, "(ay)", &iter);
1436
1437         while (g_variant_iter_loop(iter, "y",  &g_byte))
1438                 g_byte_array_append(gp_byte_array, &g_byte, 1);
1439
1440         if (gp_byte_array->len != 0) {
1441                 char_value.val_len = (unsigned int)gp_byte_array->len;
1442                 char_value.description = (char *)gp_byte_array->data;
1443         }
1444
1445         if (user_info) {
1446                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
1447                                 BLUETOOTH_ERROR_NONE, &char_value,
1448                                 user_info->cb, user_info->user_data);
1449         }
1450
1451         g_byte_array_free(gp_byte_array, TRUE);
1452         g_free(char_value.handle);
1453         g_variant_unref(value);
1454         g_variant_iter_free(iter);
1455
1456         BT_DBG("-");
1457 }
1458
1459 BT_EXPORT_API int bluetooth_gatt_read_descriptor_value(const char *char_descriptor)
1460 {
1461         GDBusConnection *conn;
1462         GVariantBuilder *builder;
1463         guint offset = 0;
1464         char *handle;
1465
1466         BT_DBG("+");
1467         BT_CHECK_PARAMETER(char_descriptor, return);
1468         BT_CHECK_ENABLED(return);
1469
1470         conn = _bt_gdbus_get_system_gconn();
1471         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1472
1473         handle = g_strdup(char_descriptor);
1474
1475         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1476
1477         /*offset*/
1478         g_variant_builder_add(builder, "{sv}", "offset",
1479                                 g_variant_new("q", offset));
1480         /* Device Object path*/
1481 //  g_variant_builder_add(builder, "{sv}", "device",
1482 //  g_variant_new("o", serv_info->serv_path));
1483
1484         g_dbus_connection_call(conn,
1485                         BT_BLUEZ_NAME,
1486                         char_descriptor,
1487                         GATT_DESC_INTERFACE,
1488                         "ReadValue",
1489                         g_variant_new("(a{sv})", builder),
1490                         G_VARIANT_TYPE("(ay)"),
1491                         G_DBUS_CALL_FLAGS_NONE,
1492                         -1,
1493                         NULL,
1494                         (GAsyncReadyCallback)__bluetooth_internal_read_desc_cb,
1495                         (gpointer)handle);
1496         g_variant_builder_unref(builder);
1497
1498         BT_DBG("-");
1499         return BLUETOOTH_ERROR_NONE;
1500 }
1501
1502 static void __bluetooth_internal_write_desc_cb(GObject *source_object,
1503                         GAsyncResult *res,
1504                         gpointer user_data)
1505 {
1506         GError *error = NULL;
1507         bt_user_info_t *user_info;
1508         GDBusConnection *system_gconn = NULL;
1509         GVariant *value;
1510         int result = BLUETOOTH_ERROR_NONE;
1511         guint8 att_ecode = 0;
1512
1513         BT_DBG("+");
1514         user_info = _bt_get_user_data(BT_COMMON);
1515
1516         system_gconn = _bt_gdbus_get_system_gconn();
1517         value = g_dbus_connection_call_finish(system_gconn, res, &error);
1518
1519         if (error) {
1520                 BT_ERR("Error : %s \n", error->message);
1521                 g_clear_error(&error);
1522                 result = BLUETOOTH_ERROR_INTERNAL;
1523         } else {
1524                 g_variant_get(value, "(y)", &att_ecode);
1525                 if (att_ecode) {
1526                         result =  att_ecode;
1527                         BT_ERR("ATT Error code: %d \n", att_ecode);
1528                 }
1529         }
1530
1531         if (user_info) {
1532                 _bt_common_event_cb(BLUETOOTH_EVENT_GATT_WRITE_DESC,
1533                                 result, NULL,
1534                                 user_info->cb, user_info->user_data);
1535         }
1536
1537         if (value)
1538                 g_variant_unref(value);
1539
1540         BT_DBG("-");
1541 }
1542
1543 BT_EXPORT_API int bluetooth_gatt_write_descriptor_value(
1544                         const char *desc_handle, const guint8 *value, int length)
1545 {
1546         GVariant *val, *options;
1547         GDBusConnection *conn;
1548         GVariantBuilder *builder1;
1549         GVariantBuilder *builder2;
1550         guint offset = 0;
1551         int i;
1552
1553         BT_DBG("+");
1554         BT_CHECK_PARAMETER(desc_handle, return);
1555         BT_CHECK_PARAMETER(value, return);
1556         retv_if(length == 0, BLUETOOTH_ERROR_INVALID_PARAM);
1557         BT_CHECK_ENABLED(return);
1558
1559         conn = _bt_gdbus_get_system_gconn();
1560         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1561
1562         builder1 = g_variant_builder_new(G_VARIANT_TYPE("ay"));
1563
1564         for (i = 0; i < length; i++)
1565                 g_variant_builder_add(builder1, "y", value[i]);
1566
1567         val = g_variant_new("ay", builder1);
1568
1569         builder2 = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1570         /*offset*/
1571         g_variant_builder_add(builder2, "{sv}", "offset",
1572                                 g_variant_new_uint16(offset));
1573
1574         /* Device Object path*/
1575 //  g_variant_builder_add(builder2, "{sv}", "device",
1576 //  g_variant_new_object("o", NULL));
1577
1578         options = g_variant_new("a{sv}", builder2);
1579
1580         g_dbus_connection_call(conn,
1581                                 BT_BLUEZ_NAME,
1582                                 desc_handle,
1583                                 GATT_DESC_INTERFACE,
1584                                 "WriteValue",
1585                                 g_variant_new("(@ay@a{sv})",
1586                                 val, options),
1587                                 G_VARIANT_TYPE("(y)"),
1588                                 G_DBUS_CALL_FLAGS_NONE,
1589                                 -1, NULL,
1590                                 (GAsyncReadyCallback)__bluetooth_internal_write_desc_cb,
1591                                 NULL);
1592
1593         g_variant_builder_unref(builder1);
1594         g_variant_builder_unref(builder2);
1595
1596         BT_DBG("-");
1597         return BLUETOOTH_ERROR_NONE;
1598 }
1599
1600 BT_EXPORT_API int bluetooth_gatt_watch_characteristics(const char *char_handle)
1601 {
1602         GDBusConnection *conn;
1603         GError *error = NULL;
1604         int ret = BLUETOOTH_ERROR_NONE;
1605
1606         BT_CHECK_PARAMETER(char_handle, return);
1607         BT_CHECK_ENABLED(return);
1608
1609         BT_INFO_C("### Enable CCCD : %s", char_handle);
1610
1611         conn = _bt_gdbus_get_system_gconn();
1612         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1613
1614         g_dbus_connection_call_sync(conn,
1615                         BT_BLUEZ_NAME,
1616                         char_handle,
1617                         GATT_CHAR_INTERFACE,
1618                         "StartNotify",
1619                         NULL,
1620                         NULL,
1621                         G_DBUS_CALL_FLAGS_NONE,
1622                         GATT_DEFAULT_TIMEOUT, NULL, &error);
1623
1624         if (error) {
1625                 g_dbus_error_strip_remote_error(error);
1626                 BT_ERR_C("### Watch Failed: %s", error->message);
1627                 if (g_strrstr(error->message, "Already notifying"))
1628                         ret = BLUETOOTH_ERROR_NONE;
1629                 else if (g_strrstr(error->message, "In Progress"))
1630                         ret = BLUETOOTH_ERROR_IN_PROGRESS;
1631                 else if (g_strrstr(error->message, "Operation is not supported"))
1632                         ret = BLUETOOTH_ERROR_NOT_SUPPORT;
1633 /*failed because of either Insufficient Authorization or Write Not Permitted */
1634                 else if (g_strrstr(error->message, "Write not permitted") ||
1635                                 g_strrstr(error->message, "Operation Not Authorized"))
1636                         ret = BLUETOOTH_ERROR_PERMISSION_DEINED;
1637 /* failed because of either Insufficient Authentication,
1638         Insufficient Encryption Key Size, or Insufficient Encryption. */
1639                 else if (g_strrstr(error->message, "Not paired"))
1640                         ret = BLUETOOTH_ERROR_NOT_PAIRED;
1641                 else
1642                         ret = BLUETOOTH_ERROR_INTERNAL;
1643
1644                 g_clear_error(&error);
1645         }
1646
1647         return ret;
1648 }
1649
1650 BT_EXPORT_API int bluetooth_gatt_unwatch_characteristics(const char *char_handle)
1651 {
1652
1653         GDBusConnection *conn;
1654         GError *error = NULL;
1655         int ret = BLUETOOTH_ERROR_NONE;
1656         BT_CHECK_PARAMETER(char_handle, return);
1657
1658         BT_CHECK_ENABLED(return);
1659
1660         BT_INFO("Disable CCCD : %s", char_handle);
1661
1662         conn = _bt_gdbus_get_system_gconn();
1663         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
1664
1665         g_dbus_connection_call_sync(conn,
1666                         BT_BLUEZ_NAME,
1667                         char_handle,
1668                         GATT_CHAR_INTERFACE,
1669                         "StopNotify",
1670                         NULL,
1671                         NULL,
1672                         G_DBUS_CALL_FLAGS_NONE,
1673                         GATT_DEFAULT_TIMEOUT, NULL, &error);
1674
1675         if (error) {
1676                 BT_ERR("Watch Failed: %s", error->message);
1677                 g_clear_error(&error);
1678                 ret =  BLUETOOTH_ERROR_INTERNAL;
1679         }
1680
1681         return ret;
1682 }