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         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_REGISTER_SINK_APP)
 124              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 125                 BT_ERR("Don't have a privilege to use this API");
 126                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 127         }
 128
 129         result = __bt_hdp_internal_create_application(data_type, role,
 130                                                 channel_type, app_handle);
 131
 132         return result;
 133 }
 134
 135 static void __bt_hdp_obj_info_free(hdp_obj_info_t *info)
 136 {
 137         if (info) {
 138                 g_source_remove(info->watch_id);
 139                 close(info->fd);
 140                 g_free(info->obj_channel_path);
 141                 g_free(info);
 142         }
 143 }
 144
 145 static int __bt_hdp_internal_create_application(unsigned int data_type,
 146                                         int role,
 147                                         bt_hdp_qos_type_t channel_type,
 148                                         char **app_handle)
 149 {
 150         GDBusProxy *proxy = NULL;
 151         GVariant *reply = NULL;
 152         GVariantBuilder *builder;
 153         const char *svalue;
 154         const char *key_type;
 155         char *app_path;
 156         hdp_app_list_t *list;
 157         GError *err = NULL;
 158         guint16 value;
 159         GDBusConnection *conn;
 160         int ret = BLUETOOTH_ERROR_NONE;
 161
 162         BT_DBG("+");
 163
 164         conn = _bt_gdbus_get_system_gconn();
 165         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 166
 167         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 168                                         NULL,
 169                                         BT_BLUEZ_NAME,
 170                                         "/org/bluez",
 171                                         BLUEZ_HDP_MANAGER_INTERFACE,
 172                                         NULL, &err);
 173
 174         if (!proxy) {
 175                 BT_ERR("Unable to create proxy: %s", err->message);
 176                 g_clear_error(&err);
 177                 return BLUETOOTH_ERROR_INTERNAL;
 178         }
 179
 180         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 181
 182         key_type = "DataType";
 183         value = (guint16) data_type;
 184         g_variant_builder_add(builder, "{sv}",
 185                         key_type, g_variant_new("q",
 186                                 value));
 187
 188         key_type = "Role";
 189         /*0-Source,1-Sink*/
 190         svalue = (role == HDP_ROLE_SINK) ? "Sink" : "Source";
 191         g_variant_builder_add(builder, "{sv}",
 192                         key_type, g_variant_new("s",
 193                                 svalue));
 194
 195         key_type = "Description";
 196         svalue = "Health Device";
 197         g_variant_builder_add(builder, "{sv}",
 198                         key_type, g_variant_new("s",
 199                                 svalue));
 200
 201         if (role == HDP_ROLE_SOURCE) {
 202                 key_type = "ChannelType";
 203                 if (channel_type == HDP_QOS_RELIABLE)
 204                         svalue = "reliable";
 205                 else if (channel_type == HDP_QOS_STREAMING)
 206                         svalue = "streaming";
 207
 208                 g_variant_builder_add(builder, "{sv}",
 209                         key_type, g_variant_new("s",
 210                                 svalue));
 211         }
 212
 213         reply = g_dbus_proxy_call_sync(proxy, "CreateApplication",
 214                                         g_variant_new("(a{sv})", builder),
 215                                         G_DBUS_CALL_FLAGS_NONE, -1,
 216                                         NULL, &err);
 217
 218         g_variant_builder_unref(builder);
 219         g_object_unref(proxy);
 220
 221         if (!reply) {
 222                 BT_ERR(" HDP:dbus Can't create application");
 223                 if (err) {
 224                         BT_ERR("%s", err->message);
 225                         if (g_strrstr(err->message, BT_ACCESS_DENIED_MSG))
 226                                 ret = BLUETOOTH_ERROR_PERMISSION_DEINED;
 227                         else
 228                                 ret = BLUETOOTH_ERROR_INTERNAL;
 229                         g_clear_error(&err);
 230                 }
 231                 return ret;
 232         }
 233
 234         g_variant_get(reply, "(&o)", &app_path);
 235         BT_DBG("Created health application: %s", (char *)app_path);
 236
 237         ret = __bt_hdp_internal_add_filter();
 238
 239         if (ret != BLUETOOTH_ERROR_NONE) {
 240                 BT_ERR("Funtion failed");
 241                 return ret;
 242         }
 243
 244         list = g_new0(hdp_app_list_t, 1);
 245         list->app_handle = (void *)g_strdup(app_path);
 246         *app_handle = list->app_handle;
 247
 248         g_app_list = g_slist_append(g_app_list, list);
 249
 250         g_variant_unref(reply);
 251         return BLUETOOTH_ERROR_NONE;
 252 }
 253
 254 static int __bt_hdp_add_filter_subscribe_signal(GDBusConnection *conn,
 255                 gboolean subscribe)
 256 {
 257         static guint subs_add_filter_id = 0;
 258
 259         if (conn == NULL)
 260                 return BLUETOOTH_ERROR_INVALID_PARAM;
 261
 262         if (subscribe) {
 263                 if (subs_add_filter_id == 0) {
 264                         subs_add_filter_id = g_dbus_connection_signal_subscribe(
 265                                 conn, NULL, BLUEZ_HDP_DEVICE_INTERFACE,
 266                                 NULL, NULL, NULL, 0,
 267                                 __bt_hdp_internal_event_filter, NULL, NULL);
 268                 }
 269         } else {
 270                 if (subs_add_filter_id > 0) {
 271                         g_dbus_connection_signal_unsubscribe(conn,
 272                                         subs_add_filter_id);
 273                         subs_add_filter_id = 0;
 274                 }
 275         }
 276         return BLUETOOTH_ERROR_NONE;
 277 }
 278
 279 static int __bt_hdp_internal_add_filter(void)
 280 {
 281         BT_DBG("+");
 282
 283         /*Single process only one signal registration is required */
 284         if (g_hdp_dus_conn) {
 285                 BT_ERR("g_hdp_dus_conn already exist");
 286                 return BLUETOOTH_ERROR_NONE;
 287         }
 288
 289         g_hdp_dus_conn = _bt_gdbus_get_system_gconn();
 290         retv_if(g_hdp_dus_conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 291
 292
 293         return __bt_hdp_add_filter_subscribe_signal(g_hdp_dus_conn, TRUE);
 294
 295         BT_DBG("-\n");
 296 }
 297
 298 static void __bt_hdp_internal_event_filter(GDBusConnection *connection,
 299                                         const gchar *sender_name,
 300                                         const gchar *object_path,
 301                                         const gchar *interface_name,
 302                                         const gchar *signal_name,
 303                                         GVariant *parameters,
 304                                         gpointer user_data)
 305 {
 306         BT_DBG("Path = %s\n", object_path);
 307         if (object_path == NULL || g_strcmp0(object_path, "/") == 0)
 308                 return;
 309
 310         if (signal_name == NULL)
 311                 return;
 312
 313         if (strcasecmp(signal_name, "ChannelConnected") == 0)
 314                 __bt_hdp_internal_handle_connect(parameters);
 315
 316         else if (strcasecmp(signal_name, "ChannelDeleted") == 0)
 317                 __bt_hdp_internal_handle_disconnect(parameters, object_path);
 318
 319         else if (strcasecmp(signal_name, "PropertyChanged") == 0)
 320                 __bt_hdp_internal_handle_property_changed(parameters);
 321
 322         return;
 323 }
 324
 325 static void __bt_hdp_internal_handle_connect(GVariant *parameters)
 326 {
 327         BT_DBG("+");
 328         const char *obj_channel_path;
 329         bt_user_info_t *user_info;
 330         int ret;
 331
 332         BT_INFO("*********Signal - ChannelConnected******\n\n");
 333         g_variant_get(parameters, "(&o)", &obj_channel_path);
 334
 335         BT_INFO("Channel connected, Path = %s", obj_channel_path);
 336
 337         user_info = _bt_get_user_data(BT_COMMON);
 338         if (user_info == NULL || user_info->cb == NULL)
 339                 return;
 340
 341         ret = __bt_hdp_internal_acquire_fd(obj_channel_path);
 342         if (ret != BLUETOOTH_ERROR_NONE) {
 343                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 344                                 BLUETOOTH_ERROR_CONNECTION_ERROR, NULL,
 345                                 user_info->cb, user_info->user_data);
 346         }
 347         BT_DBG("-");
 348 }
 349
 350 static void __bt_hdp_internal_handle_disconnect(GVariant *parameters,
 351                                         const gchar *object_path)
 352 {
 353         const char *obj_channel_path;
 354         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 355         bluetooth_device_address_t device_addr = { {0} };
 356         bt_hdp_disconnected_t dis_ind;
 357         hdp_obj_info_t *info;
 358         bt_user_info_t *user_info;
 359
 360         BT_INFO("+********Signal - ChannelDeleted ******\n\n");
 361         BT_DBG("Path = %s", object_path);
 362
 363         g_variant_get(parameters, "(&o)", &obj_channel_path);
 364
 365         BT_INFO("Channel Deleted, Path = %s", obj_channel_path);
 366
 367         info = __bt_hdp_internal_gslist_obj_find_using_path(obj_channel_path);
 368         if (!info) {
 369                 BT_ERR("No obj info for ob_channel_path [%s]\n", obj_channel_path);
 370                 return;
 371         }
 372
 373         /*Since bluetoothd is not sending the ChannelDeleted signal */
 374         _bt_convert_device_path_to_address(object_path, address);
 375
 376         _bt_convert_addr_string_to_type(device_addr.addr, address);
 377
 378         dis_ind.channel_id = info->fd;
 379         dis_ind.device_address = device_addr;
 380
 381         user_info = _bt_get_user_data(BT_COMMON);
 382
 383         if (user_info->cb) {
 384                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
 385                                 BLUETOOTH_ERROR_NONE, &dis_ind,
 386                                 user_info->cb, user_info->user_data);
 387         }
 388
 389         BT_DBG(" Removed connection from list\n");
 390
 391         __bt_hdp_obj_info_free(info);
 392
 393 }
 394
 395 static void __bt_hdp_internal_handle_property_changed(GVariant *parameters)
 396 {
 397         char *property = NULL;
 398         GVariant *value = NULL;
 399         gsize len;
 400         char *obj_main_channel_path = NULL;
 401         GVariantIter *property_iter;
 402
 403         BT_DBG("+*******Signal - PropertyChanged*******\n");
 404
 405         g_variant_get(parameters, "(a{sv})", &property_iter);
 406
 407         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 408                 if (g_strcmp0("MainChannel", property) == 0) {
 409                         BT_INFO("Property MainChannel received");
 410                         obj_main_channel_path = g_variant_dup_string(value, &len);
 411                         BT_DBG("Main Channel  Path = %s", obj_main_channel_path);
 412                         break;
 413                 }
 414         }
 415         g_variant_iter_free(property_iter);
 416
 417         g_free(property);
 418         g_variant_unref(value);
 419         g_free(obj_main_channel_path);
 420         BT_DBG("-*************\n");
 421 }
 422
 423 static int __bt_hdp_internal_acquire_fd(const char *path)
 424 {
 425         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 426         bluetooth_device_address_t device_addr = { {0} };
 427         const char *property;
 428         GVariant *value = NULL;
 429         char *type_qos = NULL;
 430         char *device = NULL;
 431         char *app_handle = NULL;
 432         hdp_app_list_t *list = NULL;
 433         GDBusProxy *proxy = NULL;
 434         GVariant *reply = NULL;
 435         GDBusConnection *conn;
 436         bt_hdp_connected_t conn_ind;
 437         GError *err = NULL;
 438         int fd;
 439         bt_user_info_t *user_info;
 440         char *dev_path;
 441         GUnixFDList *out_fd_list;
 442         int index;
 443         GVariantIter *property_iter;
 444         gsize len;
 445
 446         BT_DBG("+");
 447
 448         conn = _bt_gdbus_get_system_gconn();
 449         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 450
 451         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 452                                         NULL,
 453                                         BT_BLUEZ_NAME,
 454                                         path,
 455                                         BLUEZ_HDP_CHANNEL_INTERFACE,
 456                                         NULL, &err);
 457
 458         if (!proxy) {
 459                 BT_ERR("Unable to create proxy: %s", err->message);
 460                 g_clear_error(&err);
 461                 return BLUETOOTH_ERROR_INTERNAL;
 462         }
 463
 464         reply = g_dbus_proxy_call_with_unix_fd_list_sync(proxy,
 465                                 "Acquire", NULL,
 466                                 G_DBUS_CALL_FLAGS_NONE,
 467                                 -1, NULL, &out_fd_list,
 468                                 NULL, &err);
 469
 470         g_object_unref(proxy);
 471
 472         if (!reply) {
 473                 BT_ERR(" HDP:****** dbus Can't create application ****");
 474
 475                 if (err) {
 476                         BT_ERR("%s", err->message);;
 477                         g_clear_error(&err);
 478                 }
 479
 480                 return BLUETOOTH_ERROR_INTERNAL;
 481         }
 482
 483         g_variant_get(reply, "(h)", &index);
 484         fd = g_unix_fd_list_get(out_fd_list, index, NULL);
 485
 486         g_variant_unref(reply);
 487
 488         BT_DBG("File Descriptor = %d, Dev_path = %s \n", fd, path);
 489
 490         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 491                                         NULL,
 492                                         BT_BLUEZ_NAME,
 493                                         path,
 494                                         BT_PROPERTIES_INTERFACE,
 495                                         NULL, &err);
 496
 497         if (!proxy) {
 498                 BT_ERR("Unable to create proxy: %s", err->message);
 499                 g_clear_error(&err);
 500                 return BLUETOOTH_ERROR_INTERNAL;
 501         }
 502
 503         dev_path = g_strdup(BLUEZ_HDP_CHANNEL_INTERFACE);
 504
 505         reply = g_dbus_proxy_call_sync(proxy, "GetAll",
 506                                 g_variant_new("(s)", dev_path),
 507                                 G_DBUS_CALL_FLAGS_NONE,
 508                                 -1,
 509                                 NULL,
 510                                 &err);
 511
 512         g_free(dev_path);
 513         g_object_unref(proxy);
 514
 515         if (!reply) {
 516                 BT_ERR(" HDP:dbus Can't get the reply");
 517
 518                 if (err) {
 519                         BT_ERR("%s", err->message);;
 520                         g_clear_error(&err);
 521                 }
 522
 523                 return BLUETOOTH_ERROR_INTERNAL;
 524         }
 525
 526         g_variant_get(reply, "(a{sv})", &property_iter);
 527
 528         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 529                 BT_DBG("String received = %s\n", property);
 530
 531                 if (g_strcmp0("Type", property) == 0)
 532                         type_qos = g_variant_dup_string(value, &len);
 533                 else if (g_strcmp0("Device", property) == 0)
 534                         device = g_variant_dup_string(value, &len);
 535                 else if (g_strcmp0("Application", property) == 0)
 536                         app_handle = g_variant_dup_string(value, &len);
 537         }
 538         g_variant_iter_free(property_iter);
 539
 540         g_variant_unref(reply);
 541         BT_DBG("QOS = %s, Device = %s, Apphandler = %s",
 542                         type_qos, device, app_handle);
 543
 544         if (NULL == type_qos || NULL == app_handle) {
 545                 BT_ERR("Pasing failed\n");
 546                 goto error;
 547         }
 548
 549         list = __bt_hdp_internal_gslist_find_app_handler((void *)app_handle);
 550
 551         /*Only process register with app handle receive the Connected event */
 552         if (NULL == list) {
 553                 BT_ERR("**** Could not locate the list for %s*****\n", app_handle);
 554                 goto error;
 555         }
 556
 557         hdp_obj_info_t *info = g_new0(hdp_obj_info_t, 1);
 558         info->fd = fd;
 559         info->obj_channel_path = g_strdup(path);
 560         info->watch_id = __bt_hdp_internal_watch_fd(fd, info->obj_channel_path);
 561         list->obj_info = g_slist_append(list->obj_info, info);
 562
 563         _bt_convert_device_path_to_address(path, address);
 564
 565         _bt_convert_addr_string_to_type(device_addr.addr, address);
 566
 567         conn_ind.app_handle = app_handle;
 568         conn_ind.channel_id = fd;
 569         conn_ind.device_address = device_addr;
 570         conn_ind.type = (g_strcmp0(type_qos, "Reliable") == 0) ?
 571                         HDP_QOS_RELIABLE : HDP_QOS_STREAMING;
 572
 573         BT_DBG("Going to give callback\n");
 574
 575         user_info = _bt_get_user_data(BT_COMMON);
 576
 577         if (user_info->cb) {
 578                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 579                                 BLUETOOTH_ERROR_NONE, &conn_ind,
 580                                 user_info->cb, user_info->user_data);
 581         }
 582
 583         BT_DBG("Updated fd in the list*\n");
 584         BT_DBG("-\n");
 585
 586         g_free(type_qos);
 587         g_free(device);
 588         g_free(app_handle);
 589         return BLUETOOTH_ERROR_NONE;
 590 error:
 591         g_free(type_qos);
 592         g_free(device);
 593         g_free(app_handle);
 594         return BLUETOOTH_ERROR_INTERNAL;
 595 }
 596
 597 static guint __bt_hdp_internal_watch_fd(int file_desc, const char *path)
 598 {
 599         GIOChannel *gio;
 600         guint id;
 601
 602         BT_DBG("+");
 603
 604         gio = g_io_channel_unix_new(file_desc);
 605
 606         g_io_channel_set_close_on_unref(gio, TRUE);
 607
 608         id = g_io_add_watch(gio, G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
 609                         __bt_hdp_internal_data_received, (void *)path);
 610         BT_DBG("-");
 611         return id;
 612 }
 613
 614
 615 static void __bt_hdp_internal_handle_disconnect_cb(int sk, const char *path)
 616 {
 617         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 618         bluetooth_device_address_t device_addr = { {0} };
 619         bt_hdp_disconnected_t dis_ind;
 620         hdp_obj_info_t *info;
 621         bt_user_info_t *user_info;
 622
 623         BT_INFO("******** Socket Error  ******\n");
 624
 625         info = __bt_hdp_internal_gslist_obj_find_using_path(path);
 626         ret_if(info == NULL);
 627
 628         /*Since bluetoothd is not sending the ChannelDeleted signal */
 629         _bt_convert_device_path_to_address(path, address);
 630
 631         _bt_convert_addr_string_to_type(device_addr.addr, address);
 632
 633         dis_ind.channel_id = sk;
 634         dis_ind.device_address = device_addr;
 635
 636         user_info = _bt_get_user_data(BT_COMMON);
 637
 638         if (user_info->cb) {
 639                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
 640                                 BLUETOOTH_ERROR_NONE, &dis_ind,
 641                                 user_info->cb, user_info->user_data);
 642         }
 643
 644         BT_DBG(" Removed connection from list\n");
 645
 646         __bt_hdp_obj_info_free(info);
 647 }
 648
 649 static gboolean __bt_hdp_internal_data_received(GIOChannel *gio,
 650                                         GIOCondition cond, gpointer data)
 651 {
 652         char buff[HDP_BUFFER_SIZE] = { 0, };
 653         int sk;
 654         int act_read;
 655         bt_hdp_data_ind_t data_ind = { 0, };
 656         const char *path = (const char *)data;
 657         bt_user_info_t *user_info;
 658
 659         BT_DBG("+");
 660
 661         sk = g_io_channel_unix_get_fd(gio);
 662
 663         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 664                 BT_DBG("GIOCondition %d.............path = %s\n", cond, path);
 665                 g_io_channel_shutdown(gio, TRUE, NULL);
 666                 g_io_channel_unref(gio);
 667                  __bt_hdp_internal_handle_disconnect_cb(sk, path);
 668                 return FALSE;
 669         }
 670
 671         act_read = recv(sk, (void *)buff, sizeof(buff), 0);
 672
 673         if (act_read > 0) {
 674                 BT_DBG("Received data of %d\n", act_read);
 675         } else {
 676                 BT_ERR("Read failed.....\n");
 677                 return FALSE;
 678         }
 679
 680         data_ind.channel_id = sk;
 681         data_ind.buffer = buff;
 682         data_ind.size = act_read;
 683
 684         user_info = _bt_get_user_data(BT_COMMON);
 685
 686         if (user_info->cb) {
 687                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DATA_RECEIVED,
 688                                 BLUETOOTH_ERROR_NONE, &data_ind,
 689                                 user_info->cb, user_info->user_data);
 690         }
 691
 692         BT_DBG("-\n");
 693
 694         return TRUE;
 695 }
 696
 697 BT_EXPORT_API int bluetooth_hdp_deactivate(const char *app_handle)
 698 {
 699         BT_DBG("+");
 700
 701         BT_CHECK_ENABLED(return);
 702         BT_CHECK_PARAMETER(app_handle, return);
 703
 704         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_UNREGISTER_SINK_APP)
 705              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 706                 BT_ERR("Don't have a privilege to use this API");
 707                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 708         }
 709
 710         return __bt_hdp_internal_destroy_application(app_handle);
 711 }
 712
 713 static hdp_app_list_t *__bt_hdp_internal_gslist_find_app_handler(void *app_handle)
 714 {
 715         GSList *l;
 716
 717         retv_if(g_app_list == NULL, NULL);
 718
 719         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 720
 721         for (l = g_app_list; l != NULL; l = l->next) {
 722                 hdp_app_list_t *list = l->data;
 723
 724                 if (list) {
 725                         if (0 == g_strcmp0((char *)list->app_handle,
 726                                                 (char *)app_handle))
 727                                 return list;
 728                 }
 729         }
 730         return NULL;
 731 }
 732
 733 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_fd(int fd)
 734 {
 735         GSList *l;
 736         GSList *iter;
 737
 738         retv_if(g_app_list == NULL, NULL);
 739
 740         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 741
 742         for (l = g_app_list; l != NULL; l = l->next) {
 743                 hdp_app_list_t *list = l->data;
 744                 if (!list)
 745                         return NULL;
 746
 747                 for (iter = list->obj_info; iter != NULL; iter = iter->next) {
 748                         hdp_obj_info_t *info = iter->data;
 749                         if (!info)
 750                                 return NULL;
 751
 752                         if (fd == info->fd)
 753                                 return info;
 754                 }
 755         }
 756         return NULL;
 757 }
 758
 759 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_path(const char *obj_channel_path)
 760 {
 761         GSList *l;
 762         GSList *iter;
 763         hdp_obj_info_t *info = NULL;
 764
 765         retv_if(g_app_list == NULL, NULL);
 766
 767         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 768         for (l = g_app_list; l != NULL; l = l->next) {
 769                 hdp_app_list_t *list = l->data;
 770                 if (!list)
 771                         return NULL;
 772
 773                 for (iter = list->obj_info; iter != NULL; iter = iter->next) {
 774                          info = iter->data;
 775                         if (!info)
 776                                 return NULL;
 777
 778                         if (0 == g_strcmp0(info->obj_channel_path, obj_channel_path)) {
 779                                 list->obj_info = g_slist_remove(list->obj_info, info);
 780                                 return info;
 781                         }
 782                 }
 783         }
 784         return NULL;
 785 }
 786
 787 static gboolean  __bt_hdp_internal_destroy_application_cb(gpointer data)
 788 {
 789         const char *app_handle;
 790         hdp_app_list_t *list = NULL;
 791         app_handle = (const char *)data;
 792
 793         BT_DBG("+");
 794
 795         list = __bt_hdp_internal_gslist_find_app_handler((void *)app_handle);
 796         if (NULL == list) {
 797                 BT_ERR("**** list not found for %s ******\n", app_handle);
 798                 return FALSE;
 799         }
 800
 801         g_app_list = g_slist_remove(g_app_list, list);
 802
 803         g_free(list->app_handle);
 804         g_slist_foreach(list->obj_info, (GFunc)__bt_hdp_obj_info_free, NULL);
 805         g_free(list);
 806
 807         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 808
 809         if (0 == g_slist_length(g_app_list))
 810                 __bt_hdp_internal_remove_filter();
 811         BT_DBG("-");
 812         return FALSE;
 813 }
 814
 815 static int __bt_hdp_internal_destroy_application(const char *app_handle)
 816 {
 817         GDBusProxy *proxy = NULL;
 818         GVariant *reply = NULL;
 819         GError *err = NULL;
 820         GDBusConnection *conn;
 821         int result = BLUETOOTH_ERROR_NONE;
 822
 823         conn = _bt_gdbus_get_system_gconn();
 824         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 825
 826         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 827                                         NULL,
 828                                         BT_BLUEZ_NAME,
 829                                         "/org/bluez",
 830                                         BLUEZ_HDP_MANAGER_INTERFACE,
 831                                         NULL, &err);
 832
 833         if (!proxy) {
 834                 BT_ERR("Unable to create proxy: %s", err->message);
 835                 g_clear_error(&err);
 836                 return BLUETOOTH_ERROR_INTERNAL;
 837         }
 838
 839         reply = g_dbus_proxy_call_sync(proxy, "DestroyApplication",
 840                                 g_variant_new("o", app_handle),
 841                                 G_DBUS_CALL_FLAGS_NONE,
 842                                 -1,
 843                                 NULL,
 844                                 &err);
 845
 846         g_object_unref(proxy);
 847         if (!reply) {
 848                 BT_ERR(" HDP:dbus Can't Destroy application");
 849
 850                 if (err) {
 851                         BT_ERR("%s", err->message);
 852                         if (g_strrstr(err->message, BT_ACCESS_DENIED_MSG))
 853                                 result  = BLUETOOTH_ERROR_ACCESS_DENIED;
 854                         else
 855                                 result  = BLUETOOTH_ERROR_INTERNAL;
 856                         g_clear_error(&err);
 857                 }
 858                 return result ;
 859         }
 860
 861         g_variant_unref(reply);
 862
 863         BT_DBG("Destroyed health application: %s", (char *)app_handle);
 864
 865         g_idle_add(__bt_hdp_internal_destroy_application_cb,
 866                         (gpointer)app_handle);
 867
 868         return BLUETOOTH_ERROR_NONE;
 869 }
 870
 871 static void __bt_hdp_internal_remove_filter(void)
 872 {
 873         BT_DBG("+");
 874
 875         ret_if(g_hdp_dus_conn == NULL);
 876
 877         __bt_hdp_add_filter_subscribe_signal(g_hdp_dus_conn, FALSE);
 878
 879         g_hdp_dus_conn = NULL;  /*should not unref here, bcz no ++reff */
 880
 881         BT_DBG("-");
 882 }
 883
 884 BT_EXPORT_API int bluetooth_hdp_send_data(unsigned int channel_id,
 885                                             const char *buffer,
 886                                             unsigned int size)
 887 {
 888         int wbytes = 0;
 889         int written = 0;
 890         int result;
 891
 892         BT_DBG("+");
 893
 894         BT_CHECK_ENABLED(return);
 895
 896         if ((channel_id == 0) || (NULL == buffer) || (size == 0)) {
 897                 BT_ERR("Invalid arguments..\n");
 898                 return BLUETOOTH_ERROR_INVALID_PARAM;
 899         }
 900
 901         switch (privilege_token) {
 902         case 0:
 903                 result = _bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_SEND_DATA);
 904
 905                 if (result == BLUETOOTH_ERROR_NONE) {
 906                         privilege_token = 1; /* Have a permission */
 907                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 908                         BT_ERR("Don't have a privilege to use this API");
 909                         privilege_token = -1; /* Don't have a permission */
 910                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 911                 } else {
 912                         /* Just break - It is not related with permission error */
 913                 }
 914                 break;
 915         case 1:
 916                 /* Already have a privilege */
 917                 break;
 918         case -1:
 919                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 920         default:
 921                 /* Invalid privilge token value */
 922                 return BLUETOOTH_ERROR_INTERNAL;
 923         }
 924
 925         while (wbytes < size) {
 926                 written = write(channel_id, buffer + wbytes, size - wbytes);
 927                 if (written <= 0) {
 928                         BT_ERR("write failed..\n");
 929                         return BLUETOOTH_ERROR_NOT_IN_OPERATION;
 930                 }
 931                 wbytes += written;
 932         }
 933
 934         return BLUETOOTH_ERROR_NONE;
 935 }
 936
 937 static void __bt_hdp_connect_request_cb(GDBusProxy *hdp_proxy,
 938                                 GAsyncResult *res, gpointer user_data)
 939 {
 940         GError *err = NULL;
 941         char *obj_connect_path = NULL;
 942         bt_hdp_connected_t *conn_ind = user_data;
 943         bt_user_info_t *user_info;
 944         GVariant *reply = NULL;
 945
 946         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 947
 948         g_object_unref(hdp_proxy);
 949
 950         if (!reply) {
 951                 if (err) {
 952                         BT_ERR("HDP connection  Dbus Call Error: %s\n", err->message);
 953                         g_clear_error(&err);
 954                 }
 955
 956                 user_info = _bt_get_user_data(BT_COMMON);
 957
 958                 if (user_info->cb) {
 959                         _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 960                                         BLUETOOTH_ERROR_CONNECTION_ERROR, conn_ind,
 961                                         user_info->cb, user_info->user_data);
 962                 }
 963         } else {
 964                 g_variant_get(reply, "(&o)", &obj_connect_path);
 965                 BT_DBG("Obj Path returned = %s\n", obj_connect_path);
 966         }
 967         g_free((void *)conn_ind->app_handle);
 968         g_free(conn_ind);
 969 }
 970
 971
 972 BT_EXPORT_API int bluetooth_hdp_connect(const char *app_handle,
 973                         bt_hdp_qos_type_t channel_type,
 974                         const bluetooth_device_address_t *device_address)
 975 {
 976         GError *err = NULL;
 977         GDBusConnection *conn = NULL;
 978         GDBusProxy *hdp_proxy = NULL;
 979         bt_hdp_connected_t *param;
 980         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 981         char default_adapter_path[BT_ADAPTER_OBJECT_PATH_MAX + 1] = { 0 };
 982         char *dev_path = NULL;
 983         char *role;
 984
 985         BT_DBG("+");
 986
 987         BT_CHECK_ENABLED(return);
 988         BT_CHECK_PARAMETER(app_handle, return);
 989         BT_CHECK_PARAMETER(device_address, return);
 990
 991         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_CONNECT)
 992              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 993                 BT_ERR("Don't have a privilege to use this API");
 994                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 995         }
 996
 997         if (channel_type == HDP_QOS_RELIABLE) {
 998                 role = "Reliable";
 999         } else if (channel_type == HDP_QOS_STREAMING) {
1000                 role = "Streaming";
1001         } else if (channel_type == HDP_QOS_ANY) {
1002                 role = "Any";
1003         } else {
1004                 BT_ERR("Invalid channel_type %d", channel_type);
1005                 return BLUETOOTH_ERROR_ACCESS_DENIED;
1006         }
1007
1008         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
1009
1010         if (err) {
1011                 BT_ERR("ERROR: Can't get on system bus [%s]", err->message);
1012                 g_clear_error(&err);
1013                 return BLUETOOTH_ERROR_INTERNAL;
1014         }
1015
1016         /* If the adapter path is wrong, we can think the BT is not enabled. */
1017         if (_bt_get_adapter_path(_bt_gdbus_get_system_gconn(),
1018                                         default_adapter_path) < 0) {
1019                 BT_ERR("Could not get adapter path\n");
1020                 g_object_unref(conn);
1021                 return BLUETOOTH_ERROR_DEVICE_NOT_ENABLED;
1022         }
1023
1024         _bt_convert_addr_type_to_string(address,
1025                                 (unsigned char *)device_address->addr);
1026
1027         BT_DBG("create conection to %s", address);
1028
1029         dev_path = g_strdup_printf("%s/dev_%s", default_adapter_path, address);
1030
1031         if (dev_path == NULL) {
1032                 g_object_unref(conn);
1033                 return BLUETOOTH_ERROR_MEMORY_ALLOCATION;
1034         }
1035
1036         g_strdelimit(dev_path, ":", '_');
1037
1038         BT_DBG("path: %s", dev_path);
1039
1040         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
1041                                                 NULL, BT_BLUEZ_NAME,
1042                                                 dev_path, BLUEZ_HDP_DEVICE_INTERFACE,
1043                                                 NULL, NULL);
1044         g_object_unref(conn);
1045
1046         if (hdp_proxy == NULL) {
1047                 BT_ERR("Failed to get the HDP server proxy\n");
1048                 g_free(dev_path);
1049                 return BLUETOOTH_ERROR_NOT_PAIRED;
1050         }
1051
1052         BT_DBG("app path %s\n", app_handle);
1053
1054         param = g_new0(bt_hdp_connected_t, 1);
1055         param->app_handle = g_strdup(app_handle);
1056         memcpy(&param->device_address, device_address, BLUETOOTH_ADDRESS_LENGTH);
1057         param->type = channel_type;
1058
1059         g_dbus_proxy_call(hdp_proxy, "CreateChannel",
1060                                 g_variant_new("(os)", app_handle, role),
1061                                 G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1062                                 (GAsyncReadyCallback)__bt_hdp_connect_request_cb,
1063                                 param);
1064
1065         g_free(dev_path);
1066
1067         return BLUETOOTH_ERROR_NONE;
1068 }
1069
1070 static void __bt_hdp_disconnect_request_cb(GDBusProxy *hdp_proxy,
1071                         GAsyncResult *res, gpointer user_data)
1072 {
1073         GError *err = NULL;
1074         bt_hdp_disconnected_t *disconn_ind = user_data;
1075         bt_user_info_t *user_info;
1076         GVariant *reply = NULL;
1077
1078         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
1079         g_object_unref(hdp_proxy);
1080
1081         user_info = _bt_get_user_data(BT_COMMON);
1082         if (user_info == NULL || user_info->cb == NULL) {
1083                 g_free(disconn_ind);
1084                 if (err) {
1085                                 g_clear_error(&err);
1086                         return;
1087                 }
1088                 g_variant_unref(reply);
1089                 return;
1090         }
1091
1092         if (!reply) {
1093                 if (err) {
1094                         BT_ERR("HDP disconnection Dbus Call Error: %s\n",
1095                                                         err->message);
1096                         g_clear_error(&err);
1097                 }
1098
1099                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
1100                                 BLUETOOTH_ERROR_CONNECTION_ERROR, disconn_ind,
1101                                 user_info->cb, user_info->user_data);
1102         } else {
1103                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
1104                                 BLUETOOTH_ERROR_NONE, disconn_ind,
1105                                 user_info->cb, user_info->user_data);
1106                 BT_INFO("HDP disconnection Dbus Call is done\n");
1107                 g_variant_unref(reply);
1108         }
1109
1110         g_free(disconn_ind);
1111 }
1112
1113 BT_EXPORT_API int bluetooth_hdp_disconnect(unsigned int channel_id,
1114                         const bluetooth_device_address_t *device_address)
1115 {
1116         GError *err = NULL;
1117         GDBusConnection *conn = NULL;
1118         GDBusProxy *hdp_proxy = NULL;
1119         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1120         char default_adapter_path[BT_ADAPTER_OBJECT_PATH_MAX + 1] = { 0 };
1121         char *dev_path = NULL;
1122         bt_hdp_disconnected_t *param;
1123
1124         BT_DBG("+\n");
1125
1126         BT_CHECK_ENABLED(return);
1127         BT_CHECK_PARAMETER(device_address, return);
1128
1129         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_DISCONNECT)
1130              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1131                 BT_ERR("Don't have a privilege to use this API");
1132                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1133         }
1134
1135         hdp_obj_info_t *info =
1136                 __bt_hdp_internal_gslist_obj_find_using_fd(channel_id);
1137         if (NULL == info) {
1138                 BT_ERR("*** Could not locate the list for %d*****\n",
1139                                                         channel_id);
1140                 return BLUETOOTH_ERROR_INVALID_PARAM;
1141         }
1142
1143         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
1144
1145         if (err) {
1146                 BT_ERR("ERROR: Can't get on system bus [%s]", err->message);
1147                 g_clear_error(&err);
1148                 return BLUETOOTH_ERROR_INTERNAL;
1149         }
1150
1151         /* If the adapter path is wrong, we can think the BT is not enabled. */
1152         if (_bt_get_adapter_path(_bt_gdbus_get_system_gconn(),
1153                                         default_adapter_path) < 0) {
1154                 BT_ERR("Could not get adapter path\n");
1155                 g_object_unref(conn);
1156                 return BLUETOOTH_ERROR_DEVICE_NOT_ENABLED;
1157         }
1158
1159         _bt_convert_addr_type_to_string(address,
1160                                 (unsigned char *)device_address->addr);
1161
1162         BT_DBG("create conection to  %s\n", address);
1163
1164         dev_path = g_strdup_printf("%s/dev_%s", default_adapter_path, address);
1165
1166         if (dev_path == NULL) {
1167                 g_object_unref(conn);
1168                 return BLUETOOTH_ERROR_MEMORY_ALLOCATION;
1169         }
1170
1171         g_strdelimit(dev_path, ":", '_');
1172
1173         BT_DBG("path  %s\n", dev_path);
1174
1175         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
1176                                                 NULL, BT_BLUEZ_NAME,
1177                                                 dev_path, BLUEZ_HDP_DEVICE_INTERFACE,
1178                                                 NULL, NULL);
1179
1180         g_object_unref(conn);
1181
1182         if (hdp_proxy == NULL) {
1183                 BT_ERR("Failed to get the HDP proxy\n");
1184                 g_free(dev_path);
1185                 return BLUETOOTH_ERROR_NOT_PAIRED;
1186         }
1187
1188         param = g_new0(bt_hdp_disconnected_t, 1);
1189         param->channel_id = channel_id;
1190         memcpy(&param->device_address, device_address, BLUETOOTH_ADDRESS_LENGTH);
1191
1192         g_dbus_proxy_call(hdp_proxy, "DestroyChannel",
1193                                 g_variant_new("o", info->obj_channel_path),
1194                                 G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1195                                 (GAsyncReadyCallback)__bt_hdp_disconnect_request_cb,
1196                                 param);
1197
1198         g_free(dev_path);
1199         g_free(param);
1200         g_object_unref(hdp_proxy);
1201
1202         return BLUETOOTH_ERROR_NONE;
1203
1204 }