bt-oal/bluez_hal/src/bt-hal-hdp-dbus-handler.c

   1 /*
   2  * Bluetooth-frwk
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Atul Kumar Rai <a.rai@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *              http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <stdbool.h>
  25 #include <string.h>
  26
  27 #include <gio/gunixfdlist.h>
  28 #include <glib.h>
  29 #include <gio/gio.h>
  30 #include <dlog.h>
  31 #include <vconf.h>
  32
  33 #include "bt-hal-hdp-dbus-handler.h"
  34 #include "bt-hal-dbus-common-utils.h"
  35 #include "bt-hal-internal.h"
  36 #include "bt-hal-msg.h"
  37
  38 #define BT_HAL_HDP_MANAGER_INTERFACE  "org.bluez.HealthManager1"
  39 #define BT_HAL_HDP_DEVICE_INTERFACE  "org.bluez.HealthDevice1"
  40 #define BT_HAL_HDP_CHANNEL_INTERFACE  "org.bluez.HealthChannel1"
  41 #define BT_HAL_HDP_CHANNEL_ID_MAX 255
  42
  43 static GSList *app_list;
  44 typedef struct {
  45         int app_id;
  46         char address[BT_HAL_ADDRESS_STRING_SIZE];
  47         int channel_id;
  48         char *obj_path;
  49         int fd;
  50 } hdp_conn_info_t;
  51
  52 typedef struct {
  53         int id;
  54         char *path;
  55         int channel_type;
  56         GSList *conn_list;
  57 } hdp_app_data_t;
  58
  59 static handle_stack_msg event_cb = NULL;
  60 static int latest_id = -1;
  61 static gboolean id_used[BT_HAL_HDP_CHANNEL_ID_MAX];
  62
  63 static void __hdp_send_conn_event(hdp_conn_info_t *conn_info, int state)
  64 {
  65         struct hal_ev_hdp_conn_state ev;
  66
  67         DBG("+");
  68
  69         /* Prepare to send HDP app registration state event */
  70         memset(&ev, 0, sizeof(ev));
  71         ev.app_id = conn_info->app_id;
  72         _bt_hal_convert_addr_string_to_type(ev.bdaddr, conn_info->address);
  73         ev.mdep_index = 0;
  74         ev.channel_id = conn_info->channel_id;
  75         ev.data_fd = conn_info->fd;
  76         ev.channel_state = state;
  77         if (!event_cb) {
  78                 ERR("HDP dbus handler callback not registered");
  79         } else
  80                 event_cb(HAL_EV_HDP_CONN_STATE, (void *)&ev, sizeof(ev));
  81
  82         DBG("-");
  83 }
  84
  85 int __hdp_assign_channel_id(void)
  86 {
  87         int index;
  88
  89         DBG("latest_id: %d", latest_id);
  90
  91         index = latest_id + 1;
  92         if (index >= BT_HAL_HDP_CHANNEL_ID_MAX)
  93                 index = 0;
  94
  95         DBG("index: %d", index);
  96
  97         while (id_used[index] == TRUE) {
  98                 if (index == latest_id) {
  99                         /* No available ID */
 100                         ERR("All request ID is used");
 101                         return -1;
 102                 }
 103
 104                 index++;
 105                 if (index >= BT_HAL_HDP_CHANNEL_ID_MAX)
 106                         index = 0;
 107         }
 108
 109         latest_id = index;
 110         id_used[index] = TRUE;
 111         DBG("Assigned Id: %d", latest_id);
 112
 113         return latest_id;
 114 }
 115
 116 void __hdp_delete_channnel_id(int id)
 117 {
 118         if (id >= BT_HAL_HDP_CHANNEL_ID_MAX || id < 0) {
 119                 ERR("Invalid id %d", id);
 120                 return;
 121         }
 122
 123         id_used[id] = FALSE;
 124         latest_id = id - 1;
 125         DBG("id: %d, latest_id: %d", id, latest_id);
 126 }
 127
 128 static hdp_app_data_t *__get_hdp_app_by_id(int id)
 129 {
 130         GSList *l;
 131
 132         for (l = app_list; l != NULL; l = l->next) {
 133                 hdp_app_data_t *app = l->data;
 134                 if (app && app->id == id)
 135                         return app;
 136         }
 137
 138         return NULL;
 139 }
 140
 141 static hdp_app_data_t *__get_hdp_app_by_path(char *app_path)
 142 {
 143         GSList *l;
 144
 145         if (!app_path)
 146                 return NULL;
 147
 148         for (l = app_list; l != NULL; l = l->next) {
 149                 hdp_app_data_t *app = l->data;
 150                 if (app && 0 == g_strcmp0(app->path, app_path))
 151                         return app;
 152         }
 153
 154         return NULL;
 155 }
 156
 157 static hdp_conn_info_t *__hdp_find_conn_info_by_ch_path(const char *channel_path)
 158 {
 159         GSList *l;
 160         GSList *l1;
 161
 162         if (!channel_path)
 163                 return NULL;
 164
 165         for (l = app_list; l != NULL; l = l->next) {
 166                 hdp_app_data_t *app = l->data;
 167                 if (!app)
 168                         continue;
 169
 170                 for (l1 = app->conn_list; l1 != NULL; l1 = l1->next) {
 171                         hdp_conn_info_t *info = l1->data;
 172                         if (info && 0 == g_strcmp0(info->obj_path, channel_path))
 173                         return info;
 174                 }
 175         }
 176
 177         return NULL;
 178 }
 179
 180 static hdp_conn_info_t *__hdp_find_conn_info_by_ch_id(int channel_id)
 181 {
 182         GSList *l;
 183         GSList *l1;
 184
 185         for (l = app_list; l != NULL; l = l->next) {
 186                 hdp_app_data_t *app = l->data;
 187                 if (!app)
 188                         continue;
 189
 190                 for (l1 = app->conn_list; l1 != NULL; l1 = l1->next) {
 191                         hdp_conn_info_t *info = l1->data;
 192                         if (info && info->channel_id == channel_id)
 193                         return info;
 194                 }
 195         }
 196
 197         return NULL;
 198 }
 199
 200 static hdp_conn_info_t *__hdp_app_create_incomming_conn_info(const char *path)
 201 {
 202         hdp_conn_info_t *conn_info = NULL;
 203         hdp_app_data_t *app;
 204         GDBusConnection *conn;
 205         GDBusProxy *proxy;
 206         GVariantIter *property_iter;
 207         const char *property;
 208         GVariant *value = NULL;
 209         GVariant *reply;
 210         GError *err = NULL;
 211         char *device = NULL;
 212         char *dev_path;
 213         char *app_path = NULL;
 214         char *type_qos = NULL;
 215         gsize len;
 216
 217         DBG("+");
 218
 219         conn = _bt_hal_get_system_gconn();
 220         if (!conn) {
 221                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 222                 return NULL;
 223         }
 224
 225         /* Retrive device info */
 226         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 227                         NULL,
 228                         BT_HAL_BLUEZ_NAME,
 229                         path,
 230                         BT_HAL_PROPERTIES_INTERFACE,
 231                         NULL, &err);
 232         if (!proxy) {
 233                 ERR("Unable to create proxy: %s", err->message);
 234                 g_clear_error(&err);
 235                 return NULL;
 236         }
 237
 238         dev_path = g_strdup(BT_HAL_HDP_CHANNEL_INTERFACE);
 239         reply = g_dbus_proxy_call_sync(proxy, "GetAll",
 240                         g_variant_new("(s)", dev_path),
 241                         G_DBUS_CALL_FLAGS_NONE,
 242                         -1, NULL, &err);
 243         g_free(dev_path);
 244         g_object_unref(proxy);
 245         if (!reply) {
 246                 ERR(" HDP:dbus Can't get the reply");
 247                 if (err) {
 248                         ERR("%s", err->message);;
 249                         g_clear_error(&err);
 250                 }
 251                 return NULL;
 252         }
 253
 254         g_variant_get(reply, "(a{sv})", &property_iter);
 255         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 256                 DBG("String received = %s\n", property);
 257                 if (g_strcmp0("Type", property) == 0)
 258                         type_qos = g_variant_dup_string(value, &len);
 259                 else if (g_strcmp0("Device", property) == 0)
 260                         device = g_variant_dup_string(value, &len);
 261                 else if (g_strcmp0("Application", property) == 0)
 262                         app_path = g_variant_dup_string(value, &len);
 263         }
 264
 265         DBG("QOS = %s, Device = %s, Apphandler = %s", type_qos, device, app_path);
 266         g_variant_iter_free(property_iter);
 267         g_variant_unref(reply);
 268         g_free(device);
 269
 270         if (!type_qos || !app_path) {
 271                 ERR("Pasing failed");
 272                 goto free;
 273         }
 274
 275         app = __get_hdp_app_by_path(app_path);
 276         if (!app) {
 277                 ERR("Could not find the app with path: %s", app_path);
 278                 goto free;
 279         }
 280
 281         conn_info = g_new0(hdp_conn_info_t, 1);
 282         conn_info->channel_id = __hdp_assign_channel_id();
 283         _bt_hal_convert_device_path_to_address(path, conn_info->address);
 284         conn_info->app_id = app->id;
 285         conn_info->fd = -1;
 286
 287         DBG("App Id: %d, remote_address: %s", app->id, conn_info->address);
 288         app->conn_list = g_slist_append(app->conn_list, conn_info);
 289
 290 free:
 291         g_free(type_qos);
 292         g_free(app_path);
 293
 294         DBG("-");
 295         return conn_info;
 296 }
 297
 298 static void __hdp_free_conn_info(hdp_conn_info_t *conn_info)
 299 {
 300         DBG("+");
 301
 302         if (!conn_info) {
 303                 ERR("conn_info is NULL");
 304                 return;
 305         }
 306
 307         __hdp_delete_channnel_id(conn_info->channel_id);
 308         if (0 < conn_info->fd)
 309                 close(conn_info->fd);
 310         g_free(conn_info->obj_path);
 311         g_free(conn_info);
 312
 313         DBG("-");
 314 }
 315
 316 static void __hdp_free_app_data(hdp_app_data_t *app)
 317 {
 318         DBG("+");
 319
 320         g_slist_foreach(app->conn_list, (GFunc)__hdp_free_conn_info, NULL);
 321         g_free(app->conn_list);
 322         g_free(app->path);
 323         g_free(app);
 324
 325         DBG("-");
 326 }
 327
 328 static int __hdp_acquire_fd(const char *path)
 329 {
 330         GDBusConnection *conn;
 331         GDBusProxy *proxy;
 332         GVariant *reply;
 333         GUnixFDList *out_fd_list = NULL;
 334         GError *err = NULL;
 335         int index;
 336         int fd;
 337
 338         DBG("+");
 339
 340         conn = _bt_hal_get_system_gconn();
 341         if (!conn) {
 342                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 343                 return  -1;
 344         }
 345
 346         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 347                         NULL,
 348                         BT_HAL_BLUEZ_NAME,
 349                         path,
 350                         BT_HAL_HDP_CHANNEL_INTERFACE,
 351                         NULL, &err);
 352         if (!proxy) {
 353                 ERR("Unable to create proxy: %s", err->message);
 354                 g_clear_error(&err);
 355                 return -1;
 356         }
 357
 358         reply = g_dbus_proxy_call_with_unix_fd_list_sync(proxy,
 359                         "Acquire",
 360                         NULL, G_DBUS_CALL_FLAGS_NONE,
 361                         -1, NULL, &out_fd_list,
 362                         NULL, &err);
 363         g_object_unref(proxy);
 364         if (!reply) {
 365                 ERR(" HDP:****** dbus Can't create application ****");
 366                 if (err) {
 367                         ERR("%s", err->message);;
 368                         g_clear_error(&err);
 369                 }
 370
 371                 return -1;
 372         }
 373
 374         g_variant_get(reply, "(h)", &index);
 375         fd = g_unix_fd_list_get(out_fd_list, index, NULL);
 376
 377         INFO("File Descriptor = %d, Dev_path = %s \n", fd, path);
 378         g_variant_unref(reply);
 379         g_object_unref(out_fd_list);
 380
 381         DBG("-");
 382         return fd;
 383 }
 384
 385 static void __hdp_handle_connect(GVariant *parameters)
 386 {
 387         hdp_conn_info_t *conn_info = NULL;
 388         const char *obj_channel_path;
 389         int fd;
 390
 391         DBG("+");
 392
 393         g_variant_get(parameters, "(&o)", &obj_channel_path);
 394         INFO("Channel connected, Path = %s", obj_channel_path);
 395
 396         conn_info = __hdp_find_conn_info_by_ch_path(obj_channel_path);
 397
 398         fd = __hdp_acquire_fd(obj_channel_path);
 399         if (0 > fd) {
 400                 ERR("__hdp_acquire_fd failed");
 401                 goto err;
 402         }
 403
 404         if (!conn_info) {
 405                 INFO("conn_info not found, incomming connection request");
 406                 /* Create hdp app connection info */
 407                 conn_info = __hdp_app_create_incomming_conn_info(obj_channel_path);
 408                 if (!conn_info) {
 409                         ERR("Could not create app conn info");
 410                         close(fd);
 411                         return;
 412                 }
 413         }
 414
 415         conn_info->fd = fd;
 416         conn_info->obj_path = g_strdup(obj_channel_path);
 417         /* Send channel_connect callback with status: success */
 418         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_CONNECTED);
 419
 420         DBG("-");
 421         return;
 422 err:
 423         if (conn_info) {
 424                 hdp_app_data_t *app = __get_hdp_app_by_id(conn_info->app_id);
 425
 426                 ERR("Outgoing connection failed for app_id:%d, send event", conn_info->app_id);
 427                 /* Send channel_connect callback with status: disconnected and fd = -1 */
 428                 if (event_cb)
 429                         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DISCONNECTED);
 430
 431                 app->conn_list = g_slist_remove(app->conn_list, conn_info);
 432                 __hdp_free_conn_info(conn_info);
 433         }
 434 }
 435
 436 static void __hdp_handle_disconnect(GVariant *parameters,
 437                 const gchar *object_path)
 438 {
 439         const char *obj_channel_path;
 440         hdp_app_data_t *app;
 441         hdp_conn_info_t *conn_info;
 442
 443         DBG("+");
 444
 445         g_variant_get(parameters, "(&o)", &obj_channel_path);
 446         INFO("Channel Deleted, Path = %s, channel_path: %s",
 447                         object_path, obj_channel_path);
 448
 449         conn_info = __hdp_find_conn_info_by_ch_path(obj_channel_path);
 450         if (!conn_info) {
 451                 INFO("No conn_info found for channel path:%s", obj_channel_path);
 452                 return;
 453         }
 454
 455         /* Send channel_connect callback with status: success */
 456         if (event_cb)
 457                 __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DESTROYED);
 458
 459         app = __get_hdp_app_by_id(conn_info->app_id);
 460         app->conn_list = g_slist_remove(app->conn_list, conn_info);
 461         __hdp_free_conn_info(conn_info);
 462
 463         DBG("-");
 464 }
 465
 466 static void __hdp_handle_property_changed(GVariant *parameters)
 467 {
 468         char *property = NULL;
 469         GVariant *value = NULL;
 470         char *obj_main_channel_path = NULL;
 471         GVariantIter *property_iter = NULL;
 472         gsize len;
 473
 474         DBG("+");
 475
 476         g_variant_get(parameters, "(a{sv})", &property_iter);
 477         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 478                 if (g_strcmp0("MainChannel", property) == 0) {
 479                         INFO("Property MainChannel received");
 480                         obj_main_channel_path = g_variant_dup_string(value, &len);
 481                         DBG("Main Channel  Path = %s", obj_main_channel_path);
 482
 483                         g_free(property);
 484                         g_variant_unref(value);
 485                         g_free(obj_main_channel_path);
 486                         break;
 487                 }
 488         }
 489         g_variant_iter_free(property_iter);
 490
 491         DBG("-");
 492 }
 493
 494 static void __hdp_event_filter(GDBusConnection *connection,
 495                 const gchar *sender_name,
 496                 const gchar *object_path,
 497                 const gchar *interface_name,
 498                 const gchar *signal_name,
 499                 GVariant *parameters,
 500                 gpointer user_data)
 501 {
 502         DBG("Path = %s", object_path);
 503         if (object_path == NULL || g_strcmp0(object_path, "/") == 0)
 504                 return;
 505
 506         if (signal_name == NULL)
 507                 return;
 508
 509         if (strcasecmp(signal_name, "ChannelConnected") == 0)
 510                 __hdp_handle_connect(parameters);
 511
 512         else if (strcasecmp(signal_name, "ChannelDeleted") == 0)
 513                 __hdp_handle_disconnect(parameters, object_path);
 514
 515         else if (strcasecmp(signal_name, "PropertyChanged") == 0)
 516                 __hdp_handle_property_changed(parameters);
 517
 518         return;
 519 }
 520
 521 static int __hdp_filter_subscribe_signal(GDBusConnection *conn,
 522                 gboolean subscribe)
 523 {
 524         static guint subs_add_filter_id = 0;
 525
 526         if (conn == NULL)
 527                 return BT_HAL_ERROR_INVALID_PARAM;
 528
 529         if (subscribe) {
 530                 if (subs_add_filter_id == 0) {
 531                         subs_add_filter_id = g_dbus_connection_signal_subscribe(
 532                                         conn, NULL, BT_HAL_HDP_DEVICE_INTERFACE,
 533                                         NULL, NULL, NULL, 0,
 534                                         __hdp_event_filter, NULL, NULL);
 535                 } else {
 536                         INFO("Signal already subscribed");
 537                 }
 538         } else {
 539                 if (subs_add_filter_id > 0) {
 540                         g_dbus_connection_signal_unsubscribe(conn,
 541                                         subs_add_filter_id);
 542                         subs_add_filter_id = 0;
 543                 }
 544         }
 545
 546         return BT_HAL_ERROR_NONE;
 547 }
 548
 549 static int __hdp_add_filter(void)
 550 {
 551         static GDBusConnection *hdp_conn;
 552
 553         DBG("+");
 554
 555         hdp_conn = _bt_hal_get_system_gconn();
 556         if (!hdp_conn) {
 557                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 558                 return BT_HAL_ERROR_INTERNAL;
 559         }
 560
 561         return __hdp_filter_subscribe_signal(hdp_conn, TRUE);
 562
 563         DBG("-");
 564 }
 565
 566 static int __hdp_remove_filter(void)
 567 {
 568         static GDBusConnection *hdp_conn;
 569
 570         DBG("+");
 571
 572         hdp_conn = _bt_hal_get_system_gconn();
 573         if (!hdp_conn) {
 574                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 575                 return BT_HAL_ERROR_INTERNAL;
 576         }
 577
 578         return __hdp_filter_subscribe_signal(hdp_conn, FALSE);
 579
 580         DBG("-");
 581 }
 582
 583 static void __hdp_send_app_reg_event(int app_id, unsigned int state)
 584 {
 585         struct hal_ev_hdp_app_reg_state ev;
 586
 587         DBG("+");
 588
 589         /* Prepare to send HDP app registration state event */
 590         memset(&ev, 0, sizeof(ev));
 591         ev.app_id = app_id;
 592         ev.state = state;
 593         if (!event_cb)
 594                 ERR("HDP dbus handler callback not registered");
 595         else
 596                 event_cb(HAL_EV_HDP_APP_REG_STATE, (void *)&ev, sizeof(ev));
 597
 598         DBG("-");
 599 }
 600
 601 static gboolean __hdp_application_created_cb(gpointer data)
 602 {
 603         hdp_app_data_t *app = data;
 604
 605         DBG("+");
 606         if (!app) {
 607                 ERR("__hdp_application_created_cb called with null app data");
 608                 return FALSE;
 609         }
 610
 611         app_list = g_slist_append(app_list, app);
 612         if (BT_HAL_ERROR_NONE != __hdp_add_filter()) {
 613                 ERR("Funtion failed");
 614                 __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_REG_FAILED);
 615                 return FALSE;
 616         }
 617
 618         __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_REG_SUCCESS);
 619
 620         DBG("-");
 621         return FALSE;
 622 }
 623
 624 static gboolean  __hdp_application_destroyed_cb(gpointer data)
 625 {
 626         hdp_app_data_t *app = data;
 627         int len;
 628
 629         DBG("+");
 630         if (!app) {
 631                 ERR("__hdp_application_destroyed_cb called with null app data");
 632                 return FALSE;
 633         }
 634
 635         app_list = g_slist_remove(app_list, app);
 636
 637         len = g_slist_length(app_list);
 638         DBG("List length = %d\n", len);
 639         if (0 == len)
 640                 __hdp_remove_filter();
 641
 642         __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_DEREG_SUCCESS);
 643         __hdp_free_app_data(app);
 644
 645         DBG("-");
 646         return FALSE;
 647 }
 648
 649 static GDBusProxy *__get_health_device_proxy(char *address)
 650 {
 651         GDBusConnection *conn;
 652         GDBusProxy *hdp_proxy;
 653         GError *err = NULL;
 654         char *adapter_path;
 655         char *dev_path;
 656
 657         DBG("+");
 658
 659         adapter_path = _bt_hal_get_adapter_path();
 660         if (!adapter_path) {
 661                 ERR("Could not get adapter path");
 662                 return NULL;
 663         }
 664
 665         dev_path = g_strdup_printf("%s/dev_%s", adapter_path, address);
 666         if (!dev_path) {
 667                 ERR("Failed to create dev_path");
 668                 g_free(adapter_path);
 669                 return NULL;
 670         }
 671
 672         g_strdelimit(dev_path, ":", '_');
 673         DBG("dev_path: %s", dev_path);
 674
 675         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 676         if (!conn) {
 677                 ERR("ERROR: Can't get on system bus [%s]", err->message);
 678                 g_clear_error(&err);
 679                 g_free(dev_path);
 680                 return NULL;
 681         }
 682
 683         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 684                         NULL, BT_HAL_BLUEZ_NAME,
 685                         dev_path, BT_HAL_HDP_DEVICE_INTERFACE,
 686                         NULL, NULL);
 687         if (!hdp_proxy)
 688                 ERR("Failed to get the HDP server proxy");
 689         g_object_unref(conn);
 690         g_free(dev_path);
 691
 692         DBG("-");
 693         return hdp_proxy;
 694 }
 695
 696 static void __hdp_connect_request_cb(GDBusProxy *hdp_proxy,
 697                 GAsyncResult *res, gpointer user_data)
 698 {
 699         GVariant *reply;
 700         GError *err = NULL;
 701         hdp_conn_info_t *conn_info = user_data;
 702         hdp_app_data_t *app;
 703         char *obj_path = NULL;
 704
 705         DBG("+");
 706
 707         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 708         g_object_unref(hdp_proxy);
 709         if (!reply) {
 710                 if (err) {
 711                         ERR("HDP connection Dbus Call Error: %s", err->message);
 712                         g_clear_error(&err);
 713                 }
 714                 /* Send channel_connect callback with status: disconnected and fd = -1 */
 715                 if (event_cb)
 716                         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DISCONNECTED);
 717                 __hdp_free_conn_info(conn_info);
 718                 return;
 719         }
 720
 721         g_variant_get(reply, "(&o)", &obj_path);
 722         DBG("Obj Path returned = %s\n", obj_path);
 723         conn_info->obj_path = g_strdup(obj_path);
 724
 725         app = __get_hdp_app_by_id(conn_info->app_id);
 726         if (!app) {
 727                 ERR("No app with app_id: %d exists", conn_info->app_id);
 728                 __hdp_free_conn_info(conn_info);
 729                 return;
 730         }
 731
 732         app->conn_list = g_slist_append(app->conn_list, conn_info);
 733         DBG("-");
 734 }
 735
 736 static void __hdp_disconnect_request_cb(GDBusProxy *hdp_proxy,
 737                 GAsyncResult *res, gpointer user_data)
 738 {
 739         hdp_conn_info_t *conn_info = user_data;
 740         GVariant *reply;
 741         GError *err = NULL;
 742
 743         DBG("+");
 744
 745         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 746         g_object_unref(hdp_proxy);
 747         if (!reply) {
 748                 if (err) {
 749                         ERR("HDP disconnection Dbus Call Error: %s", err->message);
 750                         g_clear_error(&err);
 751                 }
 752
 753                 /* Send channel_connect callback with status: connected */
 754                 __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_CONNECTED);
 755                 return;
 756         }
 757
 758         DBG("-");
 759 }
 760
 761 bt_status_t _bt_hal_dbus_handler_hdp_register_application(int role,
 762                 int data_type, int channel_type, const char *description, int *app_id)
 763 {
 764         GDBusConnection *conn;
 765         GDBusProxy *proxy = NULL;
 766         GVariantBuilder *builder;
 767         const char *key_type;
 768         const char *svalue;
 769         guint16 value;
 770         GVariant *reply = NULL;
 771         char *app_path;
 772         GError *err = NULL;
 773         hdp_app_data_t *app;
 774
 775         DBG("+");
 776
 777         conn = _bt_hal_get_system_gconn();
 778         if (!conn) {
 779                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 780                 return BT_STATUS_FAIL;
 781         }
 782
 783         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 784                         NULL,
 785                         BT_HAL_BLUEZ_NAME,
 786                         "/org/bluez",
 787                         BT_HAL_HDP_MANAGER_INTERFACE,
 788                         NULL, &err);
 789         if (!proxy) {
 790                 ERR("Unable to create proxy: %s", err->message);
 791                 g_clear_error(&err);
 792                 return BT_STATUS_FAIL;
 793         }
 794
 795         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 796
 797         key_type = "DataType";
 798         value = (guint16)data_type;
 799         g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("q", value));
 800
 801         key_type = "Role";
 802         svalue = (role == BTHL_MDEP_ROLE_SINK) ? "Sink" : "Source";
 803         g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("s", svalue));
 804
 805         key_type = "Description";
 806         svalue = (description) ? description : "Health Device";
 807         g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("s", svalue));
 808
 809         if (role == BTHL_MDEP_ROLE_SOURCE) {
 810                 key_type = "ChannelType";
 811                 if (channel_type == BTHL_CHANNEL_TYPE_RELIABLE) {
 812                         svalue = "reliable";
 813                         DBG("%s : %s", key_type, svalue);
 814                 } else if (channel_type == BTHL_CHANNEL_TYPE_STREAMING) {
 815                         svalue = "streaming";
 816                         DBG("%s : %s", key_type, svalue);
 817                 } else {
 818                         g_variant_builder_unref(builder);
 819                         g_object_unref(proxy);
 820                         return BT_STATUS_PARM_INVALID;
 821                 }
 822
 823                 g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("s", svalue));
 824         }
 825
 826         reply = g_dbus_proxy_call_sync(proxy, "CreateApplication",
 827                         g_variant_new("(a{sv})", builder),
 828                         G_DBUS_CALL_FLAGS_NONE, -1,
 829                         NULL, &err);
 830         g_variant_builder_unref(builder);
 831         g_object_unref(proxy);
 832         if (!reply) {
 833                 ERR(" HDP:dbus Can't create application");
 834                 if (err) {
 835                         ERR("%s", err->message);
 836                         g_clear_error(&err);
 837                 }
 838                 return BT_STATUS_FAIL;
 839         }
 840
 841         g_variant_get(reply, "(&o)", &app_path);
 842         DBG("Created health application: %s", (char *)app_path);
 843
 844         app = g_new0(hdp_app_data_t, 1);
 845         app->path = g_strdup(app_path);
 846         sscanf(app_path, "/org/bluez/health_app_%d", &(app->id));
 847         app->channel_type = channel_type;
 848         g_variant_unref(reply);
 849
 850         *app_id = app->id;
 851         DBG("App Id: %d", *app_id);
 852
 853         g_idle_add(__hdp_application_created_cb, (gpointer)app);
 854
 855         return BT_STATUS_SUCCESS;
 856 }
 857
 858 bt_status_t _bt_hal_dbus_handler_hdp_unregister_application(int app_id)
 859 {
 860         GDBusConnection *conn;
 861         GDBusProxy *proxy = NULL;
 862         GVariant *reply = NULL;
 863         GError *err = NULL;
 864         hdp_app_data_t *app;
 865
 866         DBG("+");
 867
 868         DBG("app_id: %d", app_id);
 869         app = __get_hdp_app_by_id(app_id);
 870         if (!app) {
 871                 ERR("No app with app_id: %d exists", app_id);
 872                 return BT_STATUS_PARM_INVALID;
 873         }
 874
 875         conn = _bt_hal_get_system_gconn();
 876         if (!conn) {
 877                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 878                 return BT_STATUS_FAIL;
 879         }
 880
 881         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 882                         NULL,
 883                         BT_HAL_BLUEZ_NAME,
 884                         "/org/bluez",
 885                         BT_HAL_HDP_MANAGER_INTERFACE,
 886                         NULL, &err);
 887         if (!proxy) {
 888                 if (err) {
 889                         ERR("Unable to create proxy: %s", err->message);
 890                         g_clear_error(&err);
 891                 } else {
 892                         ERR("Unable to create proxy");
 893                 }
 894                 return BT_STATUS_FAIL;
 895         }
 896
 897         DBG("app->path: %s", app->path);
 898         reply = g_dbus_proxy_call_sync(proxy, "DestroyApplication",
 899                         g_variant_new("(o)", app->path),
 900                         G_DBUS_CALL_FLAGS_NONE,
 901                         -1, NULL, &err);
 902         g_object_unref(proxy);
 903         if (!reply) {
 904                 ERR(" HDP:dbus Can't Destroy application");
 905                 if (err) {
 906                         ERR("%s", err->message);
 907                         g_clear_error(&err);
 908                 }
 909                 return BT_STATUS_FAIL;
 910         }
 911
 912         g_variant_unref(reply);
 913         DBG("Destroyed health application: %s", (char *)app->path);
 914         g_idle_add(__hdp_application_destroyed_cb, (gpointer)app);
 915         DBG("-");
 916
 917         return BT_STATUS_SUCCESS;
 918 }
 919
 920 bt_status_t _bt_hal_dbus_handler_hdp_connect_channel(int app_id, bt_bdaddr_t *bd_addr, int *channel_id)
 921 {
 922         GDBusProxy *hdp_proxy;
 923         hdp_app_data_t *app;
 924         hdp_conn_info_t *conn_info;
 925         char *ch_type;
 926         char address[BT_HAL_ADDRESS_STRING_SIZE];
 927
 928         DBG("+");
 929
 930         if (!bd_addr) {
 931                 ERR("Address is NULL");
 932                 return BT_STATUS_PARM_INVALID;
 933         }
 934
 935         _bt_hal_convert_addr_type_to_string(address, bd_addr->address);
 936
 937         if (!channel_id) {
 938                 ERR("channel_id is NULL");
 939                 return BT_STATUS_PARM_INVALID;
 940         }
 941
 942         app = __get_hdp_app_by_id(app_id);
 943         if (!app) {
 944                 ERR("No app with app_id: %d exists", app_id);
 945                 return BT_STATUS_PARM_INVALID;
 946         }
 947
 948         if (BTHL_CHANNEL_TYPE_RELIABLE == app->channel_type)
 949                 ch_type = "Reliable";
 950         else if (BTHL_CHANNEL_TYPE_STREAMING == app->channel_type)
 951                 ch_type = "Streaming";
 952         else
 953                 ch_type = "Any";
 954
 955         DBG("create conection to %s, channel_type: %s", address, ch_type);
 956
 957         hdp_proxy = __get_health_device_proxy(address);
 958         if (!hdp_proxy) {
 959                 ERR("Failed to get the health device proxy");
 960                 return BT_STATUS_FAIL;
 961         }
 962
 963         DBG("app path %s", app->path);
 964
 965         *channel_id = __hdp_assign_channel_id();
 966         conn_info = g_new0(hdp_conn_info_t, 1);
 967         conn_info->app_id = app->id;
 968         g_strlcpy(conn_info->address, address, BT_HAL_ADDRESS_STRING_SIZE);
 969         conn_info->channel_id = *channel_id;
 970         conn_info->fd = -1;
 971
 972         g_dbus_proxy_call(hdp_proxy, "CreateChannel",
 973                         g_variant_new("(os)", app->path, ch_type),
 974                         G_DBUS_CALL_FLAGS_NONE, -1, NULL,
 975                         (GAsyncReadyCallback)__hdp_connect_request_cb,
 976                         conn_info);
 977
 978         /* Send channel_connect callback with status: connecting and fd = -1 */
 979         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_CONNECTING);
 980         DBG("-");
 981
 982         return BT_STATUS_SUCCESS;
 983 }
 984
 985 bt_status_t _bt_hal_dbus_handler_hdp_destroy_channel(int channel_id)
 986 {
 987         GDBusProxy *hdp_proxy;
 988         hdp_conn_info_t *conn_info;
 989
 990         DBG("+");
 991
 992         conn_info = __hdp_find_conn_info_by_ch_id(channel_id);
 993         if (!conn_info) {
 994                 ERR("No conn found with channel_id: %d", channel_id);
 995                 return BT_STATUS_PARM_INVALID;
 996         }
 997
 998         DBG("Destroy channel with channel_id: %d, remote_addr: %s, obj_path: %s",
 999                         channel_id, conn_info->address, conn_info->obj_path);
1000
1001         hdp_proxy = __get_health_device_proxy(conn_info->address);
1002         if (!hdp_proxy) {
1003                 ERR("Failed to get the health device proxy");
1004                 return BT_STATUS_FAIL;
1005         }
1006
1007         g_dbus_proxy_call(hdp_proxy, "DestroyChannel",
1008                         g_variant_new("(o)", conn_info->obj_path),
1009                         G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1010                         (GAsyncReadyCallback)__hdp_disconnect_request_cb,
1011                         conn_info);
1012
1013         /* Send channel_connect callback with status: connecting and fd = -1 */
1014         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DISCONNECTING);
1015
1016         DBG("-");
1017         return BT_STATUS_SUCCESS;
1018 }
1019
1020 /* To send stack event to hal-hidhost handler */
1021 void _bt_hal_register_hdp_dbus_handler_cb(handle_stack_msg cb)
1022 {
1023         event_cb = cb;
1024 }
1025
1026 /* To send stack event to hal-hidhost handler */
1027 void _bt_hal_unregister_hdp_dbus_handler_cb()
1028 {
1029         event_cb = NULL;
1030 }