bt-api/bt-hdp.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 <sys/types.h>
  19 #include <sys/socket.h>
  20 #include <gio/gio.h>
  21 #include <glib.h>
  22 #include <string.h>
  23 #include <gio/gunixfdlist.h>
  24
  25 #include "bluetooth-api.h"
  26 #include "bt-common.h"
  27 #include "bt-internal-types.h"
  28
  29 #define HDP_BUFFER_SIZE 1024
  30 #define BLUEZ_HDP_MANAGER_INTERFACE  "org.bluez.HealthManager1"
  31 #define BLUEZ_HDP_DEVICE_INTERFACE  "org.bluez.HealthDevice1"
  32 #define BLUEZ_HDP_CHANNEL_INTERFACE  "org.bluez.HealthChannel1"
  33
  34 typedef struct {
  35         char *obj_channel_path;
  36         int fd;
  37         guint watch_id;
  38 } hdp_obj_info_t;
  39
  40 typedef struct {
  41         void *app_handle;
  42         GSList *obj_info;
  43 } hdp_app_list_t;
  44
  45 /* Variable for privilege, only for write API,
  46   before we should reduce time to bt-service dbus calling
  47   -1 : Don't have a permission to access API
  48   0 : Initial value, not yet check
  49   1 : Have a permission to access API
  50 */
  51 static int privilege_token;
  52
  53
  54 /**********************************************************************
  55 *               Static Functions declaration                            *
  56 ***********************************************************************/
  57 static int __bt_hdp_internal_create_application(unsigned int data_type,
  58                                                 int role,
  59                                                 bt_hdp_qos_type_t channel_type,
  60                                                 char **app_handle);
  61
  62 static void __bt_hdp_internal_event_filter(GDBusConnection *connection,
  63                                         const gchar *sender_name,
  64                                         const gchar *object_path,
  65                                         const gchar *interface_name,
  66                                         const gchar *signal_name,
  67                                         GVariant *parameters,
  68                                         gpointer user_data);
  69
  70 static void __bt_hdp_internal_handle_connect(GVariant *parameters);
  71
  72 static void __bt_hdp_internal_handle_disconnect(GVariant *parameters,
  73                                 const gchar *object_path);
  74
  75 static void __bt_hdp_internal_handle_property_changed(GVariant *parameters);
  76
  77 static int __bt_hdp_internal_add_filter(void);
  78
  79 static int __bt_hdp_internal_acquire_fd(const char *path);
  80
  81 static guint __bt_hdp_internal_watch_fd(int file_desc, const char *path);
  82
  83 static gboolean __bt_hdp_internal_data_received(GIOChannel *gio,
  84                                                 GIOCondition cond,
  85                                                 gpointer data);
  86
  87 static int __bt_hdp_internal_destroy_application(const char *app_handle);
  88
  89 static void __bt_hdp_internal_remove_filter(void);
  90
  91 static hdp_app_list_t *__bt_hdp_internal_gslist_find_app_handler(void *app_handle);
  92
  93 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_fd(int fd);
  94
  95 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_path(const char *obj_channel_path);
  96
  97 /*Global Variables*/
  98 static GDBusConnection *g_hdp_dus_conn;
  99
 100 static GSList *g_app_list = NULL;
 101
 102 /**********************************************************************
 103 *                       Health device APIs (HDP)                        *
 104 ***********************************************************************/
 105
 106 BT_EXPORT_API int bluetooth_hdp_activate(unsigned short data_type,
 107                                         bt_hdp_role_type_t role,
 108                                         bt_hdp_qos_type_t channel_type,
 109                                         char **app_handle)
 110 {
 111         int result = BLUETOOTH_ERROR_NONE;
 112
 113         BT_DBG("+");
 114
 115         BT_CHECK_ENABLED(return);
 116
 117         /*For source role is mandatory */
 118         if (role == HDP_ROLE_SOURCE && channel_type == HDP_QOS_ANY) {
 119                 BT_ERR("For source, type is mandatory - Reliable/Streaming");
 120                 return BLUETOOTH_ERROR_INVALID_PARAM;
 121         }
 122
 123         result = __bt_hdp_internal_create_application(data_type, role,
 124                                                 channel_type, app_handle);
 125
 126         return result;
 127 }
 128
 129 static void __bt_hdp_obj_info_free(hdp_obj_info_t *info)
 130 {
 131         if (info) {
 132                 g_source_remove(info->watch_id);
 133                 close(info->fd);
 134                 g_free(info->obj_channel_path);
 135                 g_free(info);
 136         }
 137 }
 138
 139 static int __bt_hdp_internal_create_application(unsigned int data_type,
 140                                         int role,
 141                                         bt_hdp_qos_type_t channel_type,
 142                                         char **app_handle)
 143 {
 144         GDBusProxy *proxy = NULL;
 145         GVariant *reply = NULL;
 146         GVariantBuilder *builder;
 147         const char *svalue;
 148         const char *key_type;
 149         char *app_path;
 150         hdp_app_list_t *list;
 151         GError *err = NULL;
 152         guint16 value;
 153         GDBusConnection *conn;
 154         int ret = BLUETOOTH_ERROR_NONE;
 155
 156         BT_DBG("+");
 157
 158         conn = _bt_gdbus_get_system_gconn();
 159         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 160
 161         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 162                                         NULL,
 163                                         BT_BLUEZ_NAME,
 164                                         "/org/bluez",
 165                                         BLUEZ_HDP_MANAGER_INTERFACE,
 166                                         NULL, &err);
 167
 168         if (!proxy) {
 169                 BT_ERR("Unable to create proxy: %s", err->message);
 170                 g_clear_error(&err);
 171                 return BLUETOOTH_ERROR_INTERNAL;
 172         }
 173
 174         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 175
 176         key_type = "DataType";
 177         value = (guint16) data_type;
 178         g_variant_builder_add(builder, "{sv}",
 179                         key_type, g_variant_new("q",
 180                                 value));
 181
 182         key_type = "Role";
 183         /*0-Source,1-Sink*/
 184         svalue = (role == HDP_ROLE_SINK) ? "Sink" : "Source";
 185         g_variant_builder_add(builder, "{sv}",
 186                         key_type, g_variant_new("s",
 187                                 svalue));
 188
 189         key_type = "Description";
 190         svalue = "Health Device";
 191         g_variant_builder_add(builder, "{sv}",
 192                         key_type, g_variant_new("s",
 193                                 svalue));
 194
 195         if (role == HDP_ROLE_SOURCE) {
 196                 key_type = "ChannelType";
 197                 if (channel_type == HDP_QOS_RELIABLE)
 198                         svalue = "reliable";
 199                 else if (channel_type == HDP_QOS_STREAMING)
 200                         svalue = "streaming";
 201
 202                 g_variant_builder_add(builder, "{sv}",
 203                         key_type, g_variant_new("s",
 204                                 svalue));
 205         }
 206
 207         reply = g_dbus_proxy_call_sync(proxy, "CreateApplication",
 208                                         g_variant_new("(a{sv})", builder),
 209                                         G_DBUS_CALL_FLAGS_NONE, -1,
 210                                         NULL, &err);
 211
 212         g_variant_builder_unref(builder);
 213         g_object_unref(proxy);
 214
 215         if (!reply) {
 216                 BT_ERR(" HDP:dbus Can't create application");
 217                 if (err) {
 218                         BT_ERR("%s", err->message);
 219                         if (g_strrstr(err->message, BT_ACCESS_DENIED_MSG))
 220                                 ret = BLUETOOTH_ERROR_ACCESS_DENIED;
 221                         else
 222                                 ret = BLUETOOTH_ERROR_INTERNAL;
 223                         g_clear_error(&err);
 224                 }
 225                 return ret;
 226         }
 227
 228         g_variant_get(reply, "(&o)", &app_path);
 229         BT_DBG("Created health application: %s", (char *)app_path);
 230
 231         ret = __bt_hdp_internal_add_filter();
 232
 233         if (ret != BLUETOOTH_ERROR_NONE) {
 234                 BT_ERR("Funtion failed");
 235                 return ret;
 236         }
 237
 238         list = g_new0(hdp_app_list_t, 1);
 239         list->app_handle = (void *)g_strdup(app_path);
 240         *app_handle = list->app_handle;
 241
 242         g_app_list = g_slist_append(g_app_list, list);
 243
 244         g_variant_unref(reply);
 245         return BLUETOOTH_ERROR_NONE;
 246 }
 247
 248 static int __bt_hdp_add_filter_subscribe_signal(GDBusConnection *conn,
 249                 gboolean subscribe)
 250 {
 251         static guint subs_add_filter_id = 0;
 252
 253         if (conn == NULL)
 254                 return BLUETOOTH_ERROR_INVALID_PARAM;
 255
 256         if (subscribe) {
 257                 if (subs_add_filter_id == 0) {
 258                         subs_add_filter_id = g_dbus_connection_signal_subscribe(
 259                                 conn, NULL, BLUEZ_HDP_DEVICE_INTERFACE,
 260                                 NULL, NULL, NULL, 0,
 261                                 __bt_hdp_internal_event_filter, NULL, NULL);
 262                 }
 263         } else {
 264                 if (subs_add_filter_id > 0) {
 265                         g_dbus_connection_signal_unsubscribe(conn,
 266                                         subs_add_filter_id);
 267                         subs_add_filter_id = 0;
 268                 }
 269         }
 270         return BLUETOOTH_ERROR_NONE;
 271 }
 272
 273 static int __bt_hdp_internal_add_filter(void)
 274 {
 275         BT_DBG("+");
 276
 277         /*Single process only one signal registration is required */
 278         if (g_hdp_dus_conn) {
 279                 BT_ERR("g_hdp_dus_conn already exist");
 280                 return BLUETOOTH_ERROR_NONE;
 281         }
 282
 283         g_hdp_dus_conn = _bt_gdbus_get_system_gconn();
 284         retv_if(g_hdp_dus_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 285
 286
 287         return __bt_hdp_add_filter_subscribe_signal(g_hdp_dus_conn, TRUE);
 288
 289         BT_DBG("-\n");
 290 }
 291
 292 static void __bt_hdp_internal_event_filter(GDBusConnection *connection,
 293                                         const gchar *sender_name,
 294                                         const gchar *object_path,
 295                                         const gchar *interface_name,
 296                                         const gchar *signal_name,
 297                                         GVariant *parameters,
 298                                         gpointer user_data)
 299 {
 300         BT_DBG("Path = %s\n", object_path);
 301         if (object_path == NULL || g_strcmp0(object_path, "/") == 0)
 302                 return;
 303
 304         if (signal_name == NULL)
 305                 return;
 306
 307         if (strcasecmp(signal_name, "ChannelConnected") == 0)
 308                 __bt_hdp_internal_handle_connect(parameters);
 309
 310         else if (strcasecmp(signal_name, "ChannelDeleted") == 0)
 311                 __bt_hdp_internal_handle_disconnect(parameters, object_path);
 312
 313         else if (strcasecmp(signal_name, "PropertyChanged") == 0)
 314                 __bt_hdp_internal_handle_property_changed(parameters);
 315
 316         return;
 317 }
 318
 319 static void __bt_hdp_internal_handle_connect(GVariant *parameters)
 320 {
 321         BT_DBG("+");
 322         const char *obj_channel_path;
 323         bt_user_info_t *user_info;
 324         int ret;
 325
 326         BT_INFO("*********Signal - ChannelConnected******\n\n");
 327         g_variant_get(parameters, "(&o)", &obj_channel_path);
 328
 329         BT_INFO("Channel connected, Path = %s", obj_channel_path);
 330
 331         user_info = _bt_get_user_data(BT_COMMON);
 332         if (user_info == NULL || user_info->cb == NULL)
 333                 return;
 334
 335         ret = __bt_hdp_internal_acquire_fd(obj_channel_path);
 336         if (ret != BLUETOOTH_ERROR_NONE) {
 337                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 338                                 BLUETOOTH_ERROR_CONNECTION_ERROR, NULL,
 339                                 user_info->cb, user_info->user_data);
 340         }
 341         BT_DBG("-");
 342 }
 343
 344 static void __bt_hdp_internal_handle_disconnect(GVariant *parameters,
 345                                         const gchar *object_path)
 346 {
 347         const char *obj_channel_path;
 348         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 349         bluetooth_device_address_t device_addr = { {0} };
 350         bt_hdp_disconnected_t dis_ind;
 351         hdp_obj_info_t *info;
 352         bt_user_info_t *user_info;
 353
 354         BT_INFO("+********Signal - ChannelDeleted ******\n\n");
 355         BT_DBG("Path = %s", object_path);
 356
 357         g_variant_get(parameters, "(&o)", &obj_channel_path);
 358
 359         BT_INFO("Channel Deleted, Path = %s", obj_channel_path);
 360
 361         info = __bt_hdp_internal_gslist_obj_find_using_path(obj_channel_path);
 362         if (!info) {
 363                 BT_ERR("No obj info for ob_channel_path [%s]\n", obj_channel_path);
 364                 return;
 365         }
 366
 367         /*Since bluetoothd is not sending the ChannelDeleted signal */
 368         _bt_convert_device_path_to_address(object_path, address);
 369
 370         _bt_convert_addr_string_to_type(device_addr.addr, address);
 371
 372         dis_ind.channel_id = info->fd;
 373         dis_ind.device_address = device_addr;
 374
 375         user_info = _bt_get_user_data(BT_COMMON);
 376
 377         if (user_info->cb) {
 378                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
 379                                 BLUETOOTH_ERROR_NONE, &dis_ind,
 380                                 user_info->cb, user_info->user_data);
 381         }
 382
 383         BT_DBG(" Removed connection from list\n");
 384
 385         __bt_hdp_obj_info_free(info);
 386
 387 }
 388
 389 static void __bt_hdp_internal_handle_property_changed(GVariant *parameters)
 390 {
 391         char *property = NULL;
 392         GVariant *value = NULL;
 393         gsize len;
 394         char *obj_main_channel_path = NULL;
 395         GVariantIter *property_iter;
 396
 397         BT_DBG("+*******Signal - PropertyChanged*******\n");
 398
 399         g_variant_get (parameters, "(a{sv})", &property_iter);
 400
 401         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 402                 if (g_strcmp0("MainChannel", property) == 0) {
 403                         BT_INFO("Property MainChannel received");
 404                         obj_main_channel_path = g_variant_dup_string (value, &len);
 405                         BT_DBG("Main Channel  Path = %s", obj_main_channel_path);
 406                         break;
 407                 }
 408         }
 409         g_free(property);
 410         g_variant_unref(value);
 411         g_free(obj_main_channel_path);
 412         BT_DBG("-*************\n");
 413 }
 414
 415 static int __bt_hdp_internal_acquire_fd(const char *path)
 416 {
 417         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 418         bluetooth_device_address_t device_addr = { {0} };
 419         const char *property;
 420         GVariant *value = NULL;
 421         char *type_qos = NULL;
 422         char *device = NULL;
 423         char *app_handle = NULL;
 424         hdp_app_list_t *list = NULL;
 425         GDBusProxy *proxy = NULL;
 426         GVariant *reply = NULL;
 427         GDBusConnection *conn;
 428         bt_hdp_connected_t conn_ind;
 429         GError *err = NULL;
 430         int fd;
 431         bt_user_info_t *user_info;
 432         char *dev_path;
 433         GUnixFDList *out_fd_list;
 434         int index;
 435         GVariantIter *property_iter;
 436         gsize len;
 437
 438         BT_DBG("+");
 439
 440         conn = _bt_gdbus_get_system_gconn();
 441         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 442
 443         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 444                                         NULL,
 445                                         BT_BLUEZ_NAME,
 446                                         path,
 447                                         BLUEZ_HDP_CHANNEL_INTERFACE,
 448                                         NULL, &err);
 449
 450         if (!proxy) {
 451                 BT_ERR("Unable to create proxy: %s", err->message);
 452                 g_clear_error(&err);
 453                 return BLUETOOTH_ERROR_INTERNAL;
 454         }
 455
 456         reply = g_dbus_proxy_call_with_unix_fd_list_sync (proxy,
 457                                                    "Acquire",
 458                                                    NULL,
 459                                                    G_DBUS_CALL_FLAGS_NONE,
 460                                                    -1,
 461                                                    NULL,
 462                                                    &out_fd_list,
 463                                                    NULL,
 464                                                   &err);
 465
 466         g_object_unref(proxy);
 467
 468         if (!reply) {
 469                 BT_ERR(" HDP:****** dbus Can't create application ****");
 470
 471                 if (err) {
 472                         BT_ERR("%s", err->message);;
 473                         g_clear_error(&err);
 474                 }
 475
 476                 return BLUETOOTH_ERROR_INTERNAL;
 477         }
 478
 479         g_variant_get (reply, "(h)", &index);
 480         fd = g_unix_fd_list_get(out_fd_list, index, NULL);
 481
 482         g_variant_unref(reply);
 483
 484         BT_DBG("File Descriptor = %d, Dev_path = %s \n", fd, path);
 485
 486         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 487                                         NULL,
 488                                         BT_BLUEZ_NAME,
 489                                         path,
 490                                         BT_PROPERTIES_INTERFACE,
 491                                         NULL, &err);
 492
 493         if (!proxy) {
 494                 BT_ERR("Unable to create proxy: %s", err->message);
 495                 g_clear_error(&err);
 496                 return BLUETOOTH_ERROR_INTERNAL;
 497         }
 498
 499         dev_path = g_strdup(BLUEZ_HDP_CHANNEL_INTERFACE);
 500
 501         reply = g_dbus_proxy_call_sync(proxy, "GetAll",
 502                                 g_variant_new("(s)", dev_path),
 503                                 G_DBUS_CALL_FLAGS_NONE,
 504                                 -1,
 505                                 NULL,
 506                                 &err);
 507
 508         g_free(dev_path);
 509         g_object_unref(proxy);
 510
 511         if (!reply) {
 512                 BT_ERR(" HDP:dbus Can't get the reply");
 513
 514                 if (err) {
 515                         BT_ERR("%s", err->message);;
 516                         g_clear_error(&err);
 517                 }
 518
 519                 return BLUETOOTH_ERROR_INTERNAL;
 520         }
 521
 522         g_variant_get (reply, "(a{sv})", &property_iter);
 523
 524         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 525                 BT_DBG("String received = %s\n", property);
 526
 527                 if (g_strcmp0("Type", property) == 0) {
 528                         type_qos = g_variant_dup_string (value, &len);
 529                 } else if (g_strcmp0("Device", property) == 0) {
 530                         device = g_variant_dup_string (value, &len);
 531                 } else if (g_strcmp0("Application", property) == 0) {
 532                         app_handle = g_variant_dup_string (value, &len);
 533                 }
 534         }
 535
 536         g_variant_unref(reply);
 537         BT_DBG("QOS = %s, Device = %s, Apphandler = %s",
 538                         type_qos, device, app_handle);
 539
 540         if (NULL == type_qos || NULL == app_handle) {
 541                 BT_ERR("Pasing failed\n");
 542                 goto error;
 543         }
 544
 545         list = __bt_hdp_internal_gslist_find_app_handler((void *)app_handle);
 546
 547         /*Only process register with app handle receive the Connected event */
 548         if (NULL == list) {
 549                 BT_ERR("**** Could not locate the list for %s*****\n", app_handle);
 550                 goto error;
 551         }
 552
 553         hdp_obj_info_t *info = g_new0(hdp_obj_info_t, 1);
 554         info->fd = fd;
 555         info->obj_channel_path = g_strdup(path);
 556         info->watch_id = __bt_hdp_internal_watch_fd(fd, info->obj_channel_path);
 557         list->obj_info = g_slist_append(list->obj_info, info);
 558
 559         _bt_convert_device_path_to_address(path, address);
 560
 561         _bt_convert_addr_string_to_type(device_addr.addr, address);
 562
 563         conn_ind.app_handle = app_handle;
 564         conn_ind.channel_id = fd;
 565         conn_ind.device_address = device_addr;
 566         conn_ind.type = (g_strcmp0(type_qos, "Reliable") == 0) ?
 567                         HDP_QOS_RELIABLE : HDP_QOS_STREAMING;
 568
 569         BT_DBG("Going to give callback\n");
 570
 571         user_info = _bt_get_user_data(BT_COMMON);
 572
 573         if (user_info->cb) {
 574                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 575                                 BLUETOOTH_ERROR_NONE, &conn_ind,
 576                                 user_info->cb, user_info->user_data);
 577         }
 578
 579         BT_DBG("Updated fd in the list*\n");
 580         BT_DBG("-\n");
 581
 582         g_free(type_qos);
 583         g_free(device);
 584         g_free(app_handle);
 585         return BLUETOOTH_ERROR_NONE;
 586 error:
 587         g_free(type_qos);
 588         g_free(device);
 589         g_free(app_handle);
 590         return BLUETOOTH_ERROR_INTERNAL;
 591 }
 592
 593 static guint __bt_hdp_internal_watch_fd(int file_desc, const char *path)
 594 {
 595         GIOChannel *gio;
 596         guint id;
 597
 598         BT_DBG("+");
 599
 600         gio = g_io_channel_unix_new(file_desc);
 601
 602         g_io_channel_set_close_on_unref(gio, TRUE);
 603
 604         id = g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
 605                         __bt_hdp_internal_data_received, (void *)path);
 606         BT_DBG("-");
 607         return id;
 608 }
 609
 610
 611 static void __bt_hdp_internal_handle_disconnect_cb(int sk, const char *path)
 612 {
 613         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 614         bluetooth_device_address_t device_addr = { {0} };
 615         bt_hdp_disconnected_t dis_ind;
 616         hdp_obj_info_t *info;
 617         bt_user_info_t *user_info;
 618
 619         BT_INFO("******** Socket Error  ******\n");
 620
 621         info = __bt_hdp_internal_gslist_obj_find_using_path(path);
 622         ret_if(info == NULL);
 623
 624         /*Since bluetoothd is not sending the ChannelDeleted signal */
 625         _bt_convert_device_path_to_address(path, address);
 626
 627         _bt_convert_addr_string_to_type(device_addr.addr, address);
 628
 629         dis_ind.channel_id = sk;
 630         dis_ind.device_address = device_addr;
 631
 632         user_info = _bt_get_user_data(BT_COMMON);
 633
 634         if (user_info->cb) {
 635                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
 636                                 BLUETOOTH_ERROR_NONE, &dis_ind,
 637                                 user_info->cb, user_info->user_data);
 638         }
 639
 640         BT_DBG(" Removed connection from list\n");
 641
 642         __bt_hdp_obj_info_free(info);
 643 }
 644
 645 static gboolean __bt_hdp_internal_data_received(GIOChannel *gio,
 646                                         GIOCondition cond, gpointer data)
 647 {
 648         char buff[HDP_BUFFER_SIZE] = { 0, };
 649         int sk;
 650         int act_read;
 651         bt_hdp_data_ind_t data_ind = { 0, };
 652         const char *path = (const char *)data;
 653         bt_user_info_t *user_info;
 654
 655         BT_DBG("+");
 656
 657         sk = g_io_channel_unix_get_fd(gio);
 658
 659         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 660                 BT_DBG("GIOCondition %d.............path = %s\n", cond, path);
 661                 g_io_channel_shutdown(gio, TRUE, NULL);
 662                 g_io_channel_unref(gio);
 663                  __bt_hdp_internal_handle_disconnect_cb(sk, path);
 664                 return FALSE;
 665         }
 666
 667         act_read = recv(sk, (void *)buff, sizeof(buff), 0);
 668
 669         if (act_read > 0) {
 670                 BT_DBG("Received data of %d\n", act_read);
 671         } else {
 672                 BT_ERR("Read failed.....\n");
 673                 return FALSE;
 674         }
 675
 676         data_ind.channel_id = sk;
 677         data_ind.buffer = buff;
 678         data_ind.size = act_read;
 679
 680         user_info = _bt_get_user_data(BT_COMMON);
 681
 682         if (user_info->cb) {
 683                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DATA_RECEIVED,
 684                                 BLUETOOTH_ERROR_NONE, &data_ind,
 685                                 user_info->cb, user_info->user_data);
 686         }
 687
 688         BT_DBG("-\n");
 689
 690         return TRUE;
 691 }
 692
 693 BT_EXPORT_API int bluetooth_hdp_deactivate(const char *app_handle)
 694 {
 695         BT_DBG("+");
 696
 697         BT_CHECK_ENABLED(return);
 698         BT_CHECK_PARAMETER(app_handle, return);
 699
 700         return __bt_hdp_internal_destroy_application(app_handle);
 701 }
 702
 703 static hdp_app_list_t *__bt_hdp_internal_gslist_find_app_handler(void *app_handle)
 704 {
 705         GSList *l;
 706
 707         retv_if(g_app_list == NULL, NULL);
 708
 709         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 710
 711         for (l = g_app_list; l != NULL; l = l->next) {
 712                 hdp_app_list_t *list = l->data;
 713
 714                 if (list) {
 715                         if (0 == g_strcmp0((char *)list->app_handle,
 716                                                 (char *)app_handle))
 717                                 return list;
 718                 }
 719         }
 720         return NULL;
 721 }
 722
 723 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_fd(int fd)
 724 {
 725         GSList *l;
 726         GSList *iter;
 727
 728         retv_if(g_app_list == NULL, NULL);
 729
 730         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 731
 732         for (l = g_app_list; l != NULL; l = l->next) {
 733                 hdp_app_list_t *list = l->data;
 734                 if (!list)
 735                         return NULL;
 736
 737                 for (iter = list->obj_info; iter != NULL; iter = iter->next) {
 738                         hdp_obj_info_t *info = iter->data;
 739                         if (!info)
 740                                 return NULL;
 741
 742                         if (fd == info->fd)
 743                                 return info;
 744                 }
 745         }
 746         return NULL;
 747 }
 748
 749 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_path(const char *obj_channel_path)
 750 {
 751         GSList *l;
 752         GSList *iter;
 753         hdp_obj_info_t *info = NULL;
 754
 755         retv_if(g_app_list == NULL, NULL);
 756
 757         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 758         for (l = g_app_list; l != NULL; l = l->next) {
 759                 hdp_app_list_t *list = l->data;
 760                 if (!list)
 761                         return NULL;
 762
 763                 for (iter = list->obj_info; iter != NULL; iter = iter->next) {
 764                          info = iter->data;
 765                         if (!info)
 766                                 return NULL;
 767
 768                         if (0 == g_strcmp0(info->obj_channel_path, obj_channel_path)) {
 769                                 list->obj_info = g_slist_remove(list->obj_info, info);
 770                                 return info;
 771                         }
 772                 }
 773         }
 774         return NULL;
 775 }
 776
 777 static gboolean  __bt_hdp_internal_destroy_application_cb(gpointer data)
 778 {
 779         const char *app_handle;
 780         hdp_app_list_t *list = NULL;
 781         app_handle = (const char *)data;
 782
 783         BT_DBG("+");
 784
 785         list = __bt_hdp_internal_gslist_find_app_handler((void *)app_handle);
 786         if (NULL == list) {
 787                 BT_ERR("**** list not found for %s ******\n", app_handle);
 788                 return FALSE;
 789         }
 790
 791         g_app_list = g_slist_remove(g_app_list, list);
 792
 793         g_free(list->app_handle);
 794         g_slist_foreach(list->obj_info, (GFunc)__bt_hdp_obj_info_free, NULL);
 795         g_free(list);
 796
 797         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 798
 799         if (0 == g_slist_length(g_app_list))
 800                 __bt_hdp_internal_remove_filter();
 801         BT_DBG("-");
 802         return FALSE;
 803 }
 804
 805 static int __bt_hdp_internal_destroy_application(const char *app_handle)
 806 {
 807         GDBusProxy *proxy = NULL;
 808         GVariant *reply = NULL;
 809         GError *err = NULL;
 810         GDBusConnection *conn;
 811         int result = BLUETOOTH_ERROR_NONE;
 812
 813         conn = _bt_gdbus_get_system_gconn();
 814         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 815
 816         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 817                                         NULL,
 818                                         BT_BLUEZ_NAME,
 819                                         "/org/bluez",
 820                                         BLUEZ_HDP_MANAGER_INTERFACE,
 821                                         NULL, &err);
 822
 823         if (!proxy) {
 824                 BT_ERR("Unable to create proxy: %s", err->message);
 825                 g_clear_error(&err);
 826                 return BLUETOOTH_ERROR_INTERNAL;
 827         }
 828
 829         reply = g_dbus_proxy_call_sync(proxy, "DestroyApplication",
 830                                 g_variant_new("o", app_handle),
 831                                 G_DBUS_CALL_FLAGS_NONE,
 832                                 -1,
 833                                 NULL,
 834                                 &err);
 835
 836         g_object_unref(proxy);
 837         if (!reply) {
 838                 BT_ERR(" HDP:dbus Can't Destroy application");
 839
 840                 if (err) {
 841                         BT_ERR("%s", err->message);
 842                         if (g_strrstr(err->message, BT_ACCESS_DENIED_MSG))
 843                                 result  = BLUETOOTH_ERROR_ACCESS_DENIED;
 844                         else
 845                                 result  = BLUETOOTH_ERROR_INTERNAL;
 846                         g_clear_error(&err);
 847                 }
 848                 return result ;
 849         }
 850
 851         g_variant_unref(reply);
 852
 853         BT_DBG("Destroyed health application: %s", (char *)app_handle);
 854
 855         g_idle_add(__bt_hdp_internal_destroy_application_cb,
 856                         (gpointer)app_handle);
 857
 858         return BLUETOOTH_ERROR_NONE;
 859 }
 860
 861 static void __bt_hdp_internal_remove_filter(void)
 862 {
 863         BT_DBG("+");
 864
 865         ret_if(g_hdp_dus_conn == NULL);
 866
 867         __bt_hdp_add_filter_subscribe_signal(g_hdp_dus_conn, FALSE);
 868
 869         g_hdp_dus_conn = NULL;  /*should not unref here, bcz no ++reff */
 870
 871         BT_DBG("-");
 872 }
 873
 874 BT_EXPORT_API int bluetooth_hdp_send_data(unsigned int channel_id,
 875                                             const char *buffer,
 876                                             unsigned int size)
 877 {
 878         int wbytes = 0;
 879         int written = 0;
 880         int result;
 881
 882         BT_DBG("+");
 883
 884         BT_CHECK_ENABLED(return);
 885
 886         if ((channel_id == 0) || (NULL == buffer) || (size == 0)) {
 887                 BT_ERR("Invalid arguments..\n");
 888                 return BLUETOOTH_ERROR_INVALID_PARAM;
 889         }
 890
 891         switch (privilege_token) {
 892         case 0:
 893                 result = _bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_SEND_DATA);
 894
 895                 if (result == BLUETOOTH_ERROR_NONE) {
 896                         privilege_token = 1; /* Have a permission */
 897                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 898                         BT_ERR("Don't have a privilege to use this API");
 899                         privilege_token = -1; /* Don't have a permission */
 900                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 901                 } else {
 902                         /* Just break - It is not related with permission error */
 903                 }
 904                 break;
 905         case 1:
 906                 /* Already have a privilege */
 907                 break;
 908         case -1:
 909                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 910         default:
 911                 /* Invalid privilge token value */
 912                 return BLUETOOTH_ERROR_INTERNAL;
 913         }
 914
 915         while (wbytes < size) {
 916                 written = write(channel_id, buffer + wbytes, size - wbytes);
 917                 if (written <= 0) {
 918                         BT_ERR("write failed..\n");
 919                         return BLUETOOTH_ERROR_NOT_IN_OPERATION;
 920                 }
 921                 wbytes += written;
 922         }
 923
 924         return BLUETOOTH_ERROR_NONE;
 925 }
 926
 927 static void __bt_hdp_connect_request_cb(GDBusProxy *hdp_proxy,
 928                                 GAsyncResult *res, gpointer user_data)
 929 {
 930         GError *err = NULL;
 931         char *obj_connect_path = NULL;
 932         bt_hdp_connected_t *conn_ind = user_data;
 933         bt_user_info_t *user_info;
 934         GVariant *reply = NULL;
 935
 936         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 937
 938         g_object_unref(hdp_proxy);
 939
 940         if (!reply) {
 941                 if (err) {
 942                         BT_ERR("HDP connection  Dbus Call Error: %s\n", err->message);
 943                         g_clear_error(&err);
 944                 }
 945
 946                 user_info = _bt_get_user_data(BT_COMMON);
 947
 948                 if (user_info->cb) {
 949                         _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 950                                         BLUETOOTH_ERROR_CONNECTION_ERROR, conn_ind,
 951                                         user_info->cb, user_info->user_data);
 952                 }
 953         } else {
 954                 g_variant_get(reply, "(&o)", &obj_connect_path);
 955                 BT_DBG("Obj Path returned = %s\n", obj_connect_path);
 956         }
 957         g_free((void *)conn_ind->app_handle);
 958         g_free(conn_ind);
 959 }
 960
 961
 962 BT_EXPORT_API int bluetooth_hdp_connect(const char *app_handle,
 963                         bt_hdp_qos_type_t channel_type,
 964                         const bluetooth_device_address_t *device_address)
 965 {
 966         GError *err = NULL;
 967         GDBusConnection *conn = NULL;
 968         GDBusProxy *hdp_proxy = NULL;
 969         bt_hdp_connected_t *param;
 970         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 971         char default_adapter_path[BT_ADAPTER_OBJECT_PATH_MAX + 1] = { 0 };
 972         char *dev_path = NULL;
 973         char *role;
 974
 975         BT_DBG("+");
 976
 977         BT_CHECK_ENABLED(return);
 978         BT_CHECK_PARAMETER(app_handle, return);
 979         BT_CHECK_PARAMETER(device_address, return);
 980
 981         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_CONNECT)
 982              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 983                 BT_ERR("Don't have a privilege to use this API");
 984                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 985         }
 986
 987         if (channel_type == HDP_QOS_RELIABLE) {
 988                 role = "Reliable";
 989         } else if (channel_type == HDP_QOS_STREAMING) {
 990                 role = "Streaming";
 991         } else if (channel_type == HDP_QOS_ANY) {
 992                 role = "Any";
 993         } else {
 994                 BT_ERR("Invalid channel_type %d", channel_type);
 995                 return BLUETOOTH_ERROR_ACCESS_DENIED;
 996         }
 997
 998         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 999
1000         if (err) {
1001                 BT_ERR("ERROR: Can't get on system bus [%s]", err->message);
1002                 g_clear_error(&err);
1003                 return BLUETOOTH_ERROR_INTERNAL;
1004         }
1005
1006         /* If the adapter path is wrong, we can think the BT is not enabled. */
1007         if (_bt_get_adapter_path(_bt_gdbus_get_system_gconn(),
1008                                         default_adapter_path) < 0) {
1009                 BT_ERR("Could not get adapter path\n");
1010                 g_object_unref(conn);
1011                 return BLUETOOTH_ERROR_DEVICE_NOT_ENABLED;
1012         }
1013
1014         _bt_convert_addr_type_to_string(address,
1015                                 (unsigned char *)device_address->addr);
1016
1017         BT_DBG("create conection to %s", address);
1018
1019         dev_path = g_strdup_printf("%s/dev_%s", default_adapter_path, address);
1020
1021         if (dev_path == NULL) {
1022                 g_object_unref(conn);
1023                 return BLUETOOTH_ERROR_MEMORY_ALLOCATION;
1024         }
1025
1026         g_strdelimit(dev_path, ":", '_');
1027
1028         BT_DBG("path: %s", dev_path);
1029
1030         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
1031                                                 NULL, BT_BLUEZ_NAME,
1032                                                 dev_path, BLUEZ_HDP_DEVICE_INTERFACE,
1033                                                 NULL, NULL);
1034         g_object_unref(conn);
1035
1036         if (hdp_proxy == NULL) {
1037                 BT_ERR("Failed to get the HDP server proxy\n");
1038                 g_free(dev_path);
1039                 return BLUETOOTH_ERROR_NOT_PAIRED;
1040         }
1041
1042         BT_DBG("app path %s\n", app_handle);
1043
1044         param = g_new0(bt_hdp_connected_t, 1);
1045         param->app_handle = g_strdup(app_handle);
1046         memcpy(&param->device_address, device_address, BLUETOOTH_ADDRESS_LENGTH);
1047         param->type = channel_type;
1048
1049         g_dbus_proxy_call(hdp_proxy, "CreateChannel",
1050                                 g_variant_new("(os)", app_handle, role),
1051                                 G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1052                                 (GAsyncReadyCallback)__bt_hdp_connect_request_cb,
1053                                 param);
1054
1055         g_free(dev_path);
1056
1057         return BLUETOOTH_ERROR_NONE;
1058 }
1059
1060 static void __bt_hdp_disconnect_request_cb(GDBusProxy *hdp_proxy,
1061                         GAsyncResult *res, gpointer user_data)
1062 {
1063         GError *err = NULL;
1064         bt_hdp_disconnected_t *disconn_ind = user_data;
1065         bt_user_info_t *user_info;
1066         GVariant *reply = NULL;
1067
1068         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
1069         g_object_unref(hdp_proxy);
1070
1071         user_info = _bt_get_user_data(BT_COMMON);
1072         if (user_info == NULL || user_info->cb == NULL) {
1073                 g_free(disconn_ind);
1074                 if (err) {
1075                                 g_clear_error(&err);
1076                         return;
1077                 }
1078                 g_variant_unref(reply);
1079                 return;
1080         }
1081
1082         if (!reply) {
1083                 if (err) {
1084                         BT_ERR("HDP disconnection Dbus Call Error: %s\n",
1085                                                         err->message);
1086                         g_clear_error(&err);
1087                 }
1088
1089                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
1090                                 BLUETOOTH_ERROR_CONNECTION_ERROR, disconn_ind,
1091                                 user_info->cb, user_info->user_data);
1092         } else {
1093                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
1094                                 BLUETOOTH_ERROR_NONE, disconn_ind,
1095                                 user_info->cb, user_info->user_data);
1096                 BT_INFO("HDP disconnection Dbus Call is done\n");
1097                 g_variant_unref(reply);
1098         }
1099
1100         g_free(disconn_ind);
1101 }
1102
1103 BT_EXPORT_API int bluetooth_hdp_disconnect(unsigned int channel_id,
1104                         const bluetooth_device_address_t *device_address)
1105 {
1106         GError *err = NULL;
1107         GDBusConnection *conn = NULL;
1108         GDBusProxy *hdp_proxy = NULL;
1109         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1110         char default_adapter_path[BT_ADAPTER_OBJECT_PATH_MAX + 1] = { 0 };
1111         char *dev_path = NULL;
1112         bt_hdp_disconnected_t *param;
1113
1114         BT_DBG("+\n");
1115
1116         BT_CHECK_ENABLED(return);
1117         BT_CHECK_PARAMETER(device_address, return);
1118
1119         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_DISCONNECT)
1120              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1121                 BT_ERR("Don't have a privilege to use this API");
1122                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1123         }
1124
1125         hdp_obj_info_t *info =
1126                 __bt_hdp_internal_gslist_obj_find_using_fd(channel_id);
1127         if (NULL == info) {
1128                 BT_ERR("*** Could not locate the list for %d*****\n",
1129                                                         channel_id);
1130                 return BLUETOOTH_ERROR_INVALID_PARAM;
1131         }
1132
1133         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
1134
1135         if (err) {
1136                 BT_ERR("ERROR: Can't get on system bus [%s]", err->message);
1137                 g_clear_error(&err);
1138                 return BLUETOOTH_ERROR_INTERNAL;
1139         }
1140
1141         /* If the adapter path is wrong, we can think the BT is not enabled. */
1142         if (_bt_get_adapter_path(_bt_gdbus_get_system_gconn(),
1143                                         default_adapter_path) < 0) {
1144                 BT_ERR("Could not get adapter path\n");
1145                 g_object_unref(conn);
1146                 return BLUETOOTH_ERROR_DEVICE_NOT_ENABLED;
1147         }
1148
1149         _bt_convert_addr_type_to_string(address,
1150                                 (unsigned char *)device_address->addr);
1151
1152         BT_DBG("create conection to  %s\n", address);
1153
1154         dev_path = g_strdup_printf("%s/dev_%s", default_adapter_path, address);
1155
1156         if (dev_path == NULL) {
1157                 g_object_unref(conn);
1158                 return BLUETOOTH_ERROR_MEMORY_ALLOCATION;
1159         }
1160
1161         g_strdelimit(dev_path, ":", '_');
1162
1163         BT_DBG("path  %s\n", dev_path);
1164
1165         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
1166                                                 NULL, BT_BLUEZ_NAME,
1167                                                 dev_path, BLUEZ_HDP_DEVICE_INTERFACE,
1168                                                 NULL, NULL);
1169
1170         g_object_unref(conn);
1171
1172         if (hdp_proxy == NULL) {
1173                 BT_ERR("Failed to get the HDP proxy\n");
1174                 g_free(dev_path);
1175                 return BLUETOOTH_ERROR_NOT_PAIRED;
1176         }
1177
1178         param = g_new0(bt_hdp_disconnected_t, 1);
1179         param->channel_id = channel_id;
1180         memcpy(&param->device_address, device_address, BLUETOOTH_ADDRESS_LENGTH);
1181
1182         g_dbus_proxy_call(hdp_proxy, "DestroyChannel",
1183                                 g_variant_new("o", info->obj_channel_path),
1184                                 G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1185                                 (GAsyncReadyCallback)__bt_hdp_disconnect_request_cb,
1186                                 param);
1187
1188         g_free(dev_path);
1189         g_free(param);
1190         g_object_unref(hdp_proxy);
1191
1192         return BLUETOOTH_ERROR_NONE;
1193
1194 }