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         const char *obj_channel_path;
 322         bt_user_info_t *user_info;
 323         int ret;
 324
 325         BT_INFO("+********Signal - ChannelConnected******\n\n");
 326         g_variant_get(parameters, "(&o)", &obj_channel_path);
 327
 328         BT_INFO("Channel connected, Path = %s", obj_channel_path);
 329
 330         user_info = _bt_get_user_data(BT_COMMON);
 331         if (user_info == NULL || user_info->cb == NULL)
 332                 return;
 333
 334         ret = __bt_hdp_internal_acquire_fd(obj_channel_path);
 335         if (ret != BLUETOOTH_ERROR_NONE) {
 336                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 337                                 BLUETOOTH_ERROR_CONNECTION_ERROR, NULL,
 338                                 user_info->cb, user_info->user_data);
 339         } else {
 340                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 341                                 BLUETOOTH_ERROR_NONE, NULL,
 342                                 user_info->cb, user_info->user_data);
 343         }
 344
 345         BT_DBG("-");
 346 }
 347
 348 static void __bt_hdp_internal_handle_disconnect(GVariant *parameters,
 349                                         const gchar *object_path)
 350 {
 351         const char *obj_channel_path;
 352         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 353         bluetooth_device_address_t device_addr = { {0} };
 354         bt_hdp_disconnected_t dis_ind;
 355         hdp_obj_info_t *info;
 356         bt_user_info_t *user_info;
 357
 358         BT_INFO("+********Signal - ChannelDeleted ******\n\n");
 359         BT_DBG("Path = %s", object_path);
 360
 361         g_variant_get(parameters, "(&o)", &obj_channel_path);
 362
 363         BT_INFO("Channel Deleted, Path = %s", obj_channel_path);
 364
 365         info = __bt_hdp_internal_gslist_obj_find_using_path(obj_channel_path);
 366         if (!info) {
 367                 BT_ERR("No obj info for ob_channel_path [%s]\n", obj_channel_path);
 368                 return;
 369         }
 370
 371         /*Since bluetoothd is not sending the ChannelDeleted signal */
 372         _bt_convert_device_path_to_address(object_path, address);
 373
 374         _bt_convert_addr_string_to_type(device_addr.addr, address);
 375
 376         dis_ind.channel_id = info->fd;
 377         dis_ind.device_address = device_addr;
 378
 379         user_info = _bt_get_user_data(BT_COMMON);
 380
 381         if (user_info->cb) {
 382                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
 383                                 BLUETOOTH_ERROR_NONE, &dis_ind,
 384                                 user_info->cb, user_info->user_data);
 385         }
 386
 387         BT_DBG(" Removed connection from list\n");
 388
 389         __bt_hdp_obj_info_free(info);
 390
 391 }
 392
 393 static void __bt_hdp_internal_handle_property_changed(GVariant *parameters)
 394 {
 395         char *property = NULL;
 396         GVariant *value = NULL;
 397         gsize len;
 398         char *obj_main_channel_path = NULL;
 399         GVariantIter *property_iter;
 400
 401         BT_DBG("+*******Signal - PropertyChanged*******\n");
 402
 403         g_variant_get (parameters, "(a{sv})", &property_iter);
 404
 405         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 406                 if (g_strcmp0("MainChannel", property) == 0) {
 407                         BT_INFO("Property MainChannel received");
 408                         obj_main_channel_path = g_variant_dup_string (value, &len);
 409                         BT_DBG("Main Channel  Path = %s", obj_main_channel_path);
 410                         break;
 411                 }
 412         }
 413         g_free(property);
 414         g_variant_unref(value);
 415         g_free(obj_main_channel_path);
 416         BT_DBG("-*************\n");
 417 }
 418
 419 static int __bt_hdp_internal_acquire_fd(const char *path)
 420 {
 421         char address[BT_ADDRESS_STRING_SIZE] = { 0, };
 422         bluetooth_device_address_t device_addr = { {0} };
 423         const char *property;
 424         GVariant *value = NULL;
 425         char *type_qos = NULL;
 426         char *device = NULL;
 427         char *app_handle = NULL;
 428         hdp_app_list_t *list = NULL;
 429         GDBusProxy *proxy = NULL;
 430         GVariant *reply = NULL;
 431         GDBusConnection *conn;
 432         bt_hdp_connected_t conn_ind;
 433         GError *err = NULL;
 434         int fd;
 435         bt_user_info_t *user_info;
 436         char *dev_path;
 437         GUnixFDList *out_fd_list;
 438         int index;
 439         GVariantIter *property_iter;
 440         gsize len;
 441
 442         BT_DBG("+");
 443
 444         conn = _bt_gdbus_get_system_gconn();
 445         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 446
 447         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 448                                         NULL,
 449                                         BT_BLUEZ_NAME,
 450                                         path,
 451                                         BLUEZ_HDP_CHANNEL_INTERFACE,
 452                                         NULL, &err);
 453
 454         if (!proxy) {
 455                 BT_ERR("Unable to create proxy: %s", err->message);
 456                 g_clear_error(&err);
 457                 return BLUETOOTH_ERROR_INTERNAL;
 458         }
 459
 460         reply = g_dbus_proxy_call_with_unix_fd_list_sync (proxy,
 461                                                    "Acquire",
 462                                                    NULL,
 463                                                    G_DBUS_CALL_FLAGS_NONE,
 464                                                    -1,
 465                                                    NULL,
 466                                                    &out_fd_list,
 467                                                    NULL,
 468                                                   &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         }
 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         return __bt_hdp_internal_destroy_application(app_handle);
 705 }
 706
 707 static hdp_app_list_t *__bt_hdp_internal_gslist_find_app_handler(void *app_handle)
 708 {
 709         GSList *l;
 710
 711         retv_if(g_app_list == NULL, NULL);
 712
 713         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 714
 715         for (l = g_app_list; l != NULL; l = l->next) {
 716                 hdp_app_list_t *list = l->data;
 717
 718                 if (list) {
 719                         if (0 == g_strcmp0((char *)list->app_handle,
 720                                                 (char *)app_handle))
 721                                 return list;
 722                 }
 723         }
 724         return NULL;
 725 }
 726
 727 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_fd(int fd)
 728 {
 729         GSList *l;
 730         GSList *iter;
 731
 732         retv_if(g_app_list == NULL, NULL);
 733
 734         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 735
 736         for (l = g_app_list; l != NULL; l = l->next) {
 737                 hdp_app_list_t *list = l->data;
 738                 if (!list)
 739                         return NULL;
 740
 741                 for (iter = list->obj_info; iter != NULL; iter = iter->next) {
 742                         hdp_obj_info_t *info = iter->data;
 743                         if (!info)
 744                                 return NULL;
 745
 746                         if (fd == info->fd)
 747                                 return info;
 748                 }
 749         }
 750         return NULL;
 751 }
 752
 753 static hdp_obj_info_t *__bt_hdp_internal_gslist_obj_find_using_path(const char *obj_channel_path)
 754 {
 755         GSList *l;
 756         GSList *iter;
 757         hdp_obj_info_t *info = NULL;
 758
 759         retv_if(g_app_list == NULL, NULL);
 760
 761         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 762         for (l = g_app_list; l != NULL; l = l->next) {
 763                 hdp_app_list_t *list = l->data;
 764                 if (!list)
 765                         return NULL;
 766
 767                 for (iter = list->obj_info; iter != NULL; iter = iter->next) {
 768                          info = iter->data;
 769                         if (!info)
 770                                 return NULL;
 771
 772                         if (0 == g_strcmp0(info->obj_channel_path, obj_channel_path)) {
 773                                 list->obj_info = g_slist_remove(list->obj_info, info);
 774                                 return info;
 775                         }
 776                 }
 777         }
 778         return NULL;
 779 }
 780
 781 static gboolean  __bt_hdp_internal_destroy_application_cb(gpointer data)
 782 {
 783         const char *app_handle;
 784         hdp_app_list_t *list = NULL;
 785         app_handle = (const char *)data;
 786
 787         BT_DBG("+");
 788
 789         list = __bt_hdp_internal_gslist_find_app_handler((void *)app_handle);
 790         if (NULL == list) {
 791                 BT_ERR("**** list not found for %s ******\n", app_handle);
 792                 return FALSE;
 793         }
 794
 795         g_app_list = g_slist_remove(g_app_list, list);
 796
 797         g_free(list->app_handle);
 798         g_slist_foreach(list->obj_info, (GFunc)__bt_hdp_obj_info_free, NULL);
 799         g_free(list);
 800
 801         BT_DBG("List length = %d\n", g_slist_length(g_app_list));
 802
 803         if (0 == g_slist_length(g_app_list))
 804                 __bt_hdp_internal_remove_filter();
 805         BT_DBG("-");
 806         return FALSE;
 807 }
 808
 809 static int __bt_hdp_internal_destroy_application(const char *app_handle)
 810 {
 811         GDBusProxy *proxy = NULL;
 812         GVariant *reply = NULL;
 813         GError *err = NULL;
 814         GDBusConnection *conn;
 815         int result = BLUETOOTH_ERROR_NONE;
 816
 817         conn = _bt_gdbus_get_system_gconn();
 818         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 819
 820         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 821                                         NULL,
 822                                         BT_BLUEZ_NAME,
 823                                         "/org/bluez",
 824                                         BLUEZ_HDP_MANAGER_INTERFACE,
 825                                         NULL, &err);
 826
 827         if (!proxy) {
 828                 BT_ERR("Unable to create proxy: %s", err->message);
 829                 g_clear_error(&err);
 830                 return BLUETOOTH_ERROR_INTERNAL;
 831         }
 832
 833         reply = g_dbus_proxy_call_sync(proxy, "DestroyApplication",
 834                                 g_variant_new("o", app_handle),
 835                                 G_DBUS_CALL_FLAGS_NONE,
 836                                 -1,
 837                                 NULL,
 838                                 &err);
 839
 840         g_object_unref(proxy);
 841         if (!reply) {
 842                 BT_ERR(" HDP:dbus Can't Destroy application");
 843
 844                 if (err) {
 845                         BT_ERR("%s", err->message);
 846                         if (g_strrstr(err->message, BT_ACCESS_DENIED_MSG))
 847                                 result  = BLUETOOTH_ERROR_ACCESS_DENIED;
 848                         else
 849                                 result  = BLUETOOTH_ERROR_INTERNAL;
 850                         g_clear_error(&err);
 851                 }
 852                 return result ;
 853         }
 854
 855         g_variant_unref(reply);
 856
 857         BT_DBG("Destroyed health application: %s", (char *)app_handle);
 858
 859         g_idle_add(__bt_hdp_internal_destroy_application_cb,
 860                         (gpointer)app_handle);
 861
 862         return BLUETOOTH_ERROR_NONE;
 863 }
 864
 865 static void __bt_hdp_internal_remove_filter(void)
 866 {
 867         BT_DBG("+");
 868
 869         ret_if(g_hdp_dus_conn == NULL);
 870
 871         __bt_hdp_add_filter_subscribe_signal(g_hdp_dus_conn, FALSE);
 872
 873         g_hdp_dus_conn = NULL;  /*should not unref here, bcz no ++reff */
 874
 875         BT_DBG("-");
 876 }
 877
 878 BT_EXPORT_API int bluetooth_hdp_send_data(unsigned int channel_id,
 879                                             const char *buffer,
 880                                             unsigned int size)
 881 {
 882         int wbytes = 0;
 883         int written = 0;
 884         int result;
 885
 886         BT_DBG("+");
 887
 888         BT_CHECK_ENABLED(return);
 889
 890         if ((channel_id == 0) || (NULL == buffer) || (size == 0)) {
 891                 BT_ERR("Invalid arguments..\n");
 892                 return BLUETOOTH_ERROR_INVALID_PARAM;
 893         }
 894
 895         switch (privilege_token) {
 896         case 0:
 897                 result = _bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_SEND_DATA);
 898
 899                 if (result == BLUETOOTH_ERROR_NONE) {
 900                         privilege_token = 1; /* Have a permission */
 901                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 902                         BT_ERR("Don't have a privilege to use this API");
 903                         privilege_token = -1; /* Don't have a permission */
 904                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 905                 } else {
 906                         /* Just break - It is not related with permission error */
 907                 }
 908                 break;
 909         case 1:
 910                 /* Already have a privilege */
 911                 break;
 912         case -1:
 913                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 914         default:
 915                 /* Invalid privilge token value */
 916                 return BLUETOOTH_ERROR_INTERNAL;
 917         }
 918
 919         while (wbytes < size) {
 920                 written = write(channel_id, buffer + wbytes, size - wbytes);
 921                 if (written <= 0) {
 922                         BT_ERR("write failed..\n");
 923                         return BLUETOOTH_ERROR_NOT_IN_OPERATION;
 924                 }
 925                 wbytes += written;
 926         }
 927
 928         return BLUETOOTH_ERROR_NONE;
 929 }
 930
 931 static void __bt_hdp_connect_request_cb(GDBusProxy *hdp_proxy,
 932                                 GAsyncResult *res, gpointer user_data)
 933 {
 934         GError *err = NULL;
 935         char *obj_connect_path = NULL;
 936         bt_hdp_connected_t *conn_ind = user_data;
 937         bt_user_info_t *user_info;
 938         GVariant *reply = NULL;
 939         int ret = BLUETOOTH_ERROR_NONE;
 940
 941         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 942
 943         g_object_unref(hdp_proxy);
 944
 945         if (!reply) {
 946                 if (err) {
 947                         BT_ERR("HDP connection  Dbus Call Error: %s\n", err->message);
 948                         g_clear_error(&err);
 949                 }
 950
 951                 user_info = _bt_get_user_data(BT_COMMON);
 952
 953                 if (user_info->cb) {
 954                         _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 955                                         BLUETOOTH_ERROR_CONNECTION_ERROR, conn_ind,
 956                                         user_info->cb, user_info->user_data);
 957                 }
 958         } else {
 959                 g_variant_get(reply, "(&o)", &obj_connect_path);
 960
 961                 BT_DBG("Obj Path returned = %s\n", obj_connect_path);
 962                 user_info = _bt_get_user_data(BT_COMMON);
 963
 964                 ret = __bt_hdp_internal_acquire_fd(obj_connect_path);
 965                 if (ret != BLUETOOTH_ERROR_NONE) {
 966                         user_info = _bt_get_user_data(BT_COMMON);
 967                         if (user_info->cb) {
 968                                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_CONNECTED,
 969                                                 BLUETOOTH_ERROR_CONNECTION_ERROR, NULL,
 970                                                         user_info->cb, user_info->user_data);
 971                         }
 972                 }
 973                 g_variant_unref(reply);
 974         }
 975         g_free((void *)conn_ind->app_handle);
 976         g_free(conn_ind);
 977 }
 978
 979
 980 BT_EXPORT_API int bluetooth_hdp_connect(const char *app_handle,
 981                         bt_hdp_qos_type_t channel_type,
 982                         const bluetooth_device_address_t *device_address)
 983 {
 984         GError *err = NULL;
 985         GDBusConnection *conn = NULL;
 986         GDBusProxy *hdp_proxy = NULL;
 987         bt_hdp_connected_t *param;
 988         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 989         char default_adapter_path[BT_ADAPTER_OBJECT_PATH_MAX + 1] = { 0 };
 990         char *dev_path = NULL;
 991         char *role;
 992
 993         BT_DBG("+");
 994
 995         BT_CHECK_ENABLED(return);
 996         BT_CHECK_PARAMETER(app_handle, return);
 997         BT_CHECK_PARAMETER(device_address, return);
 998
 999         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_CONNECT)
1000              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1001                 BT_ERR("Don't have a privilege to use this API");
1002                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1003         }
1004
1005         if (channel_type == HDP_QOS_RELIABLE) {
1006                 role = "Reliable";
1007         } else if (channel_type == HDP_QOS_STREAMING) {
1008                 role = "Streaming";
1009         } else if (channel_type == HDP_QOS_ANY) {
1010                 role = "Any";
1011         } else {
1012                 BT_ERR("Invalid channel_type %d", channel_type);
1013                 return BLUETOOTH_ERROR_ACCESS_DENIED;
1014         }
1015
1016         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
1017
1018         if (err) {
1019                 BT_ERR("ERROR: Can't get on system bus [%s]", err->message);
1020                 g_clear_error(&err);
1021                 return BLUETOOTH_ERROR_INTERNAL;
1022         }
1023
1024         /* If the adapter path is wrong, we can think the BT is not enabled. */
1025         if (_bt_get_adapter_path(_bt_gdbus_get_system_gconn(),
1026                                         default_adapter_path) < 0) {
1027                 BT_ERR("Could not get adapter path\n");
1028                 g_object_unref(conn);
1029                 return BLUETOOTH_ERROR_DEVICE_NOT_ENABLED;
1030         }
1031
1032         _bt_convert_addr_type_to_string(address,
1033                                 (unsigned char *)device_address->addr);
1034
1035         BT_DBG("create conection to %s", address);
1036
1037         dev_path = g_strdup_printf("%s/dev_%s", default_adapter_path, address);
1038
1039         if (dev_path == NULL) {
1040                 g_object_unref(conn);
1041                 return BLUETOOTH_ERROR_MEMORY_ALLOCATION;
1042         }
1043
1044         g_strdelimit(dev_path, ":", '_');
1045
1046         BT_DBG("path: %s", dev_path);
1047
1048         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
1049                                                 NULL, BT_BLUEZ_NAME,
1050                                                 dev_path, BLUEZ_HDP_DEVICE_INTERFACE,
1051                                                 NULL, NULL);
1052         g_object_unref(conn);
1053
1054         if (hdp_proxy == NULL) {
1055                 BT_ERR("Failed to get the HDP server proxy\n");
1056                 g_free(dev_path);
1057                 return BLUETOOTH_ERROR_NOT_PAIRED;
1058         }
1059
1060         BT_DBG("app path %s\n", app_handle);
1061
1062         param = g_new0(bt_hdp_connected_t, 1);
1063         param->app_handle = g_strdup(app_handle);
1064         memcpy(&param->device_address, device_address, BLUETOOTH_ADDRESS_LENGTH);
1065         param->type = channel_type;
1066
1067         g_dbus_proxy_call(hdp_proxy, "CreateChannel",
1068                                 g_variant_new("(os)", app_handle, role),
1069                                 G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1070                                 (GAsyncReadyCallback)__bt_hdp_connect_request_cb,
1071                                 param);
1072
1073         g_free(dev_path);
1074         g_free((void *)param->app_handle);
1075         g_free(param);
1076         g_object_unref(hdp_proxy);
1077
1078         return BLUETOOTH_ERROR_NONE;
1079 }
1080
1081 static void __bt_hdp_disconnect_request_cb(GDBusProxy *hdp_proxy,
1082                         GAsyncResult *res, gpointer user_data)
1083 {
1084         GError *err = NULL;
1085         bt_hdp_disconnected_t *disconn_ind = user_data;
1086         bt_user_info_t *user_info;
1087         GVariant *reply = NULL;
1088
1089         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
1090         g_object_unref(hdp_proxy);
1091
1092         user_info = _bt_get_user_data(BT_COMMON);
1093         if (user_info == NULL || user_info->cb == NULL) {
1094                 g_free(disconn_ind);
1095                 if (err) {
1096                                 g_clear_error(&err);
1097                         return;
1098                 }
1099                 g_variant_unref(reply);
1100                 return;
1101         }
1102
1103         if (!reply) {
1104                 if (err) {
1105                         BT_ERR("HDP disconnection Dbus Call Error: %s\n",
1106                                                         err->message);
1107                         g_clear_error(&err);
1108                 }
1109
1110                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
1111                                 BLUETOOTH_ERROR_CONNECTION_ERROR, disconn_ind,
1112                                 user_info->cb, user_info->user_data);
1113         } else {
1114                 _bt_common_event_cb(BLUETOOTH_EVENT_HDP_DISCONNECTED,
1115                                 BLUETOOTH_ERROR_NONE, disconn_ind,
1116                                 user_info->cb, user_info->user_data);
1117                 BT_INFO("HDP disconnection Dbus Call is done\n");
1118                 g_variant_unref(reply);
1119         }
1120
1121         g_free(disconn_ind);
1122 }
1123
1124 BT_EXPORT_API int bluetooth_hdp_disconnect(unsigned int channel_id,
1125                         const bluetooth_device_address_t *device_address)
1126 {
1127         GError *err = NULL;
1128         GDBusConnection *conn = NULL;
1129         GDBusProxy *hdp_proxy = NULL;
1130         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1131         char default_adapter_path[BT_ADAPTER_OBJECT_PATH_MAX + 1] = { 0 };
1132         char *dev_path = NULL;
1133         bt_hdp_disconnected_t *param;
1134
1135         BT_DBG("+\n");
1136
1137         BT_CHECK_ENABLED(return);
1138         BT_CHECK_PARAMETER(device_address, return);
1139
1140         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_HDP_DISCONNECT)
1141              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1142                 BT_ERR("Don't have a privilege to use this API");
1143                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1144         }
1145
1146         hdp_obj_info_t *info =
1147                 __bt_hdp_internal_gslist_obj_find_using_fd(channel_id);
1148         if (NULL == info) {
1149                 BT_ERR("*** Could not locate the list for %d*****\n",
1150                                                         channel_id);
1151                 return BLUETOOTH_ERROR_INVALID_PARAM;
1152         }
1153
1154         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
1155
1156         if (err) {
1157                 BT_ERR("ERROR: Can't get on system bus [%s]", err->message);
1158                 g_clear_error(&err);
1159                 return BLUETOOTH_ERROR_INTERNAL;
1160         }
1161
1162         /* If the adapter path is wrong, we can think the BT is not enabled. */
1163         if (_bt_get_adapter_path(_bt_gdbus_get_system_gconn(),
1164                                         default_adapter_path) < 0) {
1165                 BT_ERR("Could not get adapter path\n");
1166                 g_object_unref(conn);
1167                 return BLUETOOTH_ERROR_DEVICE_NOT_ENABLED;
1168         }
1169
1170         _bt_convert_addr_type_to_string(address,
1171                                 (unsigned char *)device_address->addr);
1172
1173         BT_DBG("create conection to  %s\n", address);
1174
1175         dev_path = g_strdup_printf("%s/dev_%s", default_adapter_path, address);
1176
1177         if (dev_path == NULL) {
1178                 g_object_unref(conn);
1179                 return BLUETOOTH_ERROR_MEMORY_ALLOCATION;
1180         }
1181
1182         g_strdelimit(dev_path, ":", '_');
1183
1184         BT_DBG("path  %s\n", dev_path);
1185
1186         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
1187                                                 NULL, BT_BLUEZ_NAME,
1188                                                 dev_path, BLUEZ_HDP_DEVICE_INTERFACE,
1189                                                 NULL, NULL);
1190
1191         g_object_unref(conn);
1192
1193         if (hdp_proxy == NULL) {
1194                 BT_ERR("Failed to get the HDP proxy\n");
1195                 g_free(dev_path);
1196                 return BLUETOOTH_ERROR_NOT_PAIRED;
1197         }
1198
1199         param = g_new0(bt_hdp_disconnected_t, 1);
1200         param->channel_id = channel_id;
1201         memcpy(&param->device_address, device_address, BLUETOOTH_ADDRESS_LENGTH);
1202
1203         g_dbus_proxy_call(hdp_proxy, "DestroyChannel",
1204                                 g_variant_new("o", info->obj_channel_path),
1205                                 G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1206                                 (GAsyncReadyCallback)__bt_hdp_disconnect_request_cb,
1207                                 param);
1208
1209         g_free(dev_path);
1210         g_free(param);
1211         g_object_unref(hdp_proxy);
1212
1213         return BLUETOOTH_ERROR_NONE;
1214
1215 }