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                         break;
 483                 }
 484         }
 485         g_variant_iter_free(property_iter);
 486         g_free(property);
 487         g_variant_unref(value);
 488         g_free(obj_main_channel_path);
 489
 490         DBG("-");
 491 }
 492
 493 static void __hdp_event_filter(GDBusConnection *connection,
 494                 const gchar *sender_name,
 495                 const gchar *object_path,
 496                 const gchar *interface_name,
 497                 const gchar *signal_name,
 498                 GVariant *parameters,
 499                 gpointer user_data)
 500 {
 501         DBG("Path = %s", object_path);
 502         if (object_path == NULL || g_strcmp0(object_path, "/") == 0)
 503                 return;
 504
 505         if (signal_name == NULL)
 506                 return;
 507
 508         if (strcasecmp(signal_name, "ChannelConnected") == 0)
 509                 __hdp_handle_connect(parameters);
 510
 511         else if (strcasecmp(signal_name, "ChannelDeleted") == 0)
 512                 __hdp_handle_disconnect(parameters, object_path);
 513
 514         else if (strcasecmp(signal_name, "PropertyChanged") == 0)
 515                 __hdp_handle_property_changed(parameters);
 516
 517         return;
 518 }
 519
 520 static int __hdp_filter_subscribe_signal(GDBusConnection *conn,
 521                 gboolean subscribe)
 522 {
 523         static guint subs_add_filter_id = 0;
 524
 525         if (conn == NULL)
 526                 return BT_HAL_ERROR_INVALID_PARAM;
 527
 528         if (subscribe) {
 529                 if (subs_add_filter_id == 0) {
 530                         subs_add_filter_id = g_dbus_connection_signal_subscribe(
 531                                         conn, NULL, BT_HAL_HDP_DEVICE_INTERFACE,
 532                                         NULL, NULL, NULL, 0,
 533                                         __hdp_event_filter, NULL, NULL);
 534                 } else {
 535                         INFO("Signal already subscribed");
 536                 }
 537         } else {
 538                 if (subs_add_filter_id > 0) {
 539                         g_dbus_connection_signal_unsubscribe(conn,
 540                                         subs_add_filter_id);
 541                         subs_add_filter_id = 0;
 542                 }
 543         }
 544
 545         return BT_HAL_ERROR_NONE;
 546 }
 547
 548 static int __hdp_add_filter(void)
 549 {
 550         static GDBusConnection *hdp_conn;
 551
 552         DBG("+");
 553
 554         hdp_conn = _bt_hal_get_system_gconn();
 555         if (!hdp_conn) {
 556                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 557                 return BT_HAL_ERROR_INTERNAL;
 558         }
 559
 560         return __hdp_filter_subscribe_signal(hdp_conn, TRUE);
 561
 562         DBG("-");
 563 }
 564
 565 static int __hdp_remove_filter(void)
 566 {
 567         static GDBusConnection *hdp_conn;
 568
 569         DBG("+");
 570
 571         hdp_conn = _bt_hal_get_system_gconn();
 572         if (!hdp_conn) {
 573                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 574                 return BT_HAL_ERROR_INTERNAL;
 575         }
 576
 577         return __hdp_filter_subscribe_signal(hdp_conn, FALSE);
 578
 579         DBG("-");
 580 }
 581
 582 static void __hdp_send_app_reg_event(int app_id, unsigned int state)
 583 {
 584         struct hal_ev_hdp_app_reg_state ev;
 585
 586         DBG("+");
 587
 588         /* Prepare to send HDP app registration state event */
 589         memset(&ev, 0, sizeof(ev));
 590         ev.app_id = app_id;
 591         ev.state = state;
 592         if (!event_cb)
 593                 ERR("HDP dbus handler callback not registered");
 594         else
 595                 event_cb(HAL_EV_HDP_APP_REG_STATE, (void *)&ev, sizeof(ev));
 596
 597         DBG("-");
 598 }
 599
 600 static gboolean __hdp_application_created_cb(gpointer data)
 601 {
 602         hdp_app_data_t *app = data;
 603
 604         DBG("+");
 605         if (!app) {
 606                 ERR("__hdp_application_created_cb called with null app data");
 607                 return FALSE;
 608         }
 609
 610         app_list = g_slist_append(app_list, app);
 611         if (BT_HAL_ERROR_NONE != __hdp_add_filter()) {
 612                 ERR("Funtion failed");
 613                 __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_REG_FAILED);
 614                 return FALSE;
 615         }
 616
 617         __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_REG_SUCCESS);
 618
 619         DBG("-");
 620         return FALSE;
 621 }
 622
 623 static gboolean  __hdp_application_destroyed_cb(gpointer data)
 624 {
 625         hdp_app_data_t *app = data;
 626         int len;
 627
 628         DBG("+");
 629         if (!app) {
 630                 ERR("__hdp_application_destroyed_cb called with null app data");
 631                 return FALSE;
 632         }
 633
 634         app_list = g_slist_remove(app_list, app);
 635
 636         len = g_slist_length(app_list);
 637         DBG("List length = %d\n", len);
 638         if (0 == len)
 639                 __hdp_remove_filter();
 640
 641         __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_DEREG_SUCCESS);
 642         __hdp_free_app_data(app);
 643
 644         DBG("-");
 645         return FALSE;
 646 }
 647
 648 static GDBusProxy *__get_health_device_proxy(char *address)
 649 {
 650         GDBusConnection *conn;
 651         GDBusProxy *hdp_proxy;
 652         GError *err = NULL;
 653         char *adapter_path;
 654         char *dev_path;
 655
 656         DBG("+");
 657
 658         adapter_path = _bt_hal_get_adapter_path();
 659         if (!adapter_path) {
 660                 ERR("Could not get adapter path");
 661                 return NULL;
 662         }
 663
 664         dev_path = g_strdup_printf("%s/dev_%s", adapter_path, address);
 665         if (!dev_path) {
 666                 ERR("Failed to create dev_path");
 667                 g_free(adapter_path);
 668                 return NULL;
 669         }
 670
 671         g_strdelimit(dev_path, ":", '_');
 672         DBG("dev_path: %s", dev_path);
 673
 674         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 675         if (!conn) {
 676                 ERR("ERROR: Can't get on system bus [%s]", err->message);
 677                 g_clear_error(&err);
 678                 g_free(dev_path);
 679                 return NULL;
 680         }
 681
 682         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 683                         NULL, BT_HAL_BLUEZ_NAME,
 684                         dev_path, BT_HAL_HDP_DEVICE_INTERFACE,
 685                         NULL, NULL);
 686         if (!hdp_proxy)
 687                 ERR("Failed to get the HDP server proxy");
 688         g_object_unref(conn);
 689         g_free(dev_path);
 690
 691         DBG("-");
 692         return hdp_proxy;
 693 }
 694
 695 static void __hdp_connect_request_cb(GDBusProxy *hdp_proxy,
 696                 GAsyncResult *res, gpointer user_data)
 697 {
 698         GVariant *reply;
 699         GError *err = NULL;
 700         hdp_conn_info_t *conn_info = user_data;
 701         hdp_app_data_t *app;
 702         char *obj_path = NULL;
 703
 704         DBG("+");
 705
 706         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 707         g_object_unref(hdp_proxy);
 708         if (!reply) {
 709                 if (err) {
 710                         ERR("HDP connection Dbus Call Error: %s", err->message);
 711                         g_clear_error(&err);
 712                 }
 713                 /* Send channel_connect callback with status: disconnected and fd = -1 */
 714                 if (event_cb)
 715                         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DISCONNECTED);
 716                 __hdp_free_conn_info(conn_info);
 717                 return;
 718         }
 719
 720         g_variant_get(reply, "(&o)", &obj_path);
 721         DBG("Obj Path returned = %s\n", obj_path);
 722         conn_info->obj_path = g_strdup(obj_path);
 723
 724         app = __get_hdp_app_by_id(conn_info->app_id);
 725         if (!app) {
 726                 ERR("No app with app_id: %d exists");
 727                 __hdp_free_conn_info(conn_info);
 728                 return;
 729         }
 730
 731         app->conn_list = g_slist_append(app->conn_list, conn_info);
 732         DBG("-");
 733 }
 734
 735 static void __hdp_disconnect_request_cb(GDBusProxy *hdp_proxy,
 736                 GAsyncResult *res, gpointer user_data)
 737 {
 738         hdp_conn_info_t *conn_info = user_data;
 739         GVariant *reply;
 740         GError *err = NULL;
 741
 742         DBG("+");
 743
 744         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 745         g_object_unref(hdp_proxy);
 746         if (!reply) {
 747                 if (err) {
 748                         ERR("HDP disconnection Dbus Call Error: %s", err->message);
 749                         g_clear_error(&err);
 750                 }
 751
 752                 /* Send channel_connect callback with status: connected */
 753                 __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_CONNECTED);
 754                 return;
 755         }
 756
 757         DBG("-");
 758 }
 759
 760 bt_status_t _bt_hal_dbus_handler_hdp_register_application(int role,
 761                 int data_type, int channel_type, const char *description, int *app_id)
 762 {
 763         GDBusConnection *conn;
 764         GDBusProxy *proxy = NULL;
 765         GVariantBuilder *builder;
 766         const char *key_type;
 767         const char *svalue;
 768         guint16 value;
 769         GVariant *reply = NULL;
 770         char *app_path;
 771         GError *err = NULL;
 772         hdp_app_data_t *app;
 773
 774         DBG("+");
 775
 776         conn = _bt_hal_get_system_gconn();
 777         if (!conn) {
 778                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 779                 return BT_STATUS_FAIL;
 780         }
 781
 782         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 783                         NULL,
 784                         BT_HAL_BLUEZ_NAME,
 785                         "/org/bluez",
 786                         BT_HAL_HDP_MANAGER_INTERFACE,
 787                         NULL, &err);
 788         if (!proxy) {
 789                 ERR("Unable to create proxy: %s", err->message);
 790                 g_clear_error(&err);
 791                 return BT_STATUS_FAIL;
 792         }
 793
 794         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 795
 796         key_type = "DataType";
 797         value = (guint16)data_type;
 798         g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("q", value));
 799
 800         key_type = "Role";
 801         svalue = (role == BTHL_MDEP_ROLE_SINK) ? "Sink" : "Source";
 802         g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("s", svalue));
 803
 804         key_type = "Description";
 805         svalue = (description) ? description : "Health Device";
 806         g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("s", svalue));
 807
 808         if (role == BTHL_MDEP_ROLE_SOURCE) {
 809                 key_type = "ChannelType";
 810                 if (channel_type == BTHL_CHANNEL_TYPE_RELIABLE) {
 811                         svalue = "reliable";
 812                         DBG("%s : %s", key_type, svalue);
 813                 } else if (channel_type == BTHL_CHANNEL_TYPE_STREAMING) {
 814                         svalue = "streaming";
 815                         DBG("%s : %s", key_type, svalue);
 816                 } else {
 817                         g_variant_builder_unref(builder);
 818                         g_object_unref(proxy);
 819                         return BT_STATUS_PARM_INVALID;
 820                 }
 821
 822                 g_variant_builder_add(builder, "{sv}", key_type, g_variant_new("s", svalue));
 823         }
 824
 825         reply = g_dbus_proxy_call_sync(proxy, "CreateApplication",
 826                         g_variant_new("(a{sv})", builder),
 827                         G_DBUS_CALL_FLAGS_NONE, -1,
 828                         NULL, &err);
 829         g_variant_builder_unref(builder);
 830         g_object_unref(proxy);
 831         if (!reply) {
 832                 ERR(" HDP:dbus Can't create application");
 833                 if (err) {
 834                         ERR("%s", err->message);
 835                         g_clear_error(&err);
 836                 }
 837                 return BT_STATUS_FAIL;
 838         }
 839
 840         g_variant_get(reply, "(&o)", &app_path);
 841         DBG("Created health application: %s", (char *)app_path);
 842
 843         app = g_new0(hdp_app_data_t, 1);
 844         app->path = g_strdup(app_path);
 845         sscanf(app_path, "/org/bluez/health_app_%d", &(app->id));
 846         app->channel_type = channel_type;
 847         g_variant_unref(reply);
 848
 849         *app_id = app->id;
 850         DBG("App Id: %d", *app_id);
 851
 852         g_idle_add(__hdp_application_created_cb, (gpointer)app);
 853
 854         return BT_STATUS_SUCCESS;
 855 }
 856
 857 bt_status_t _bt_hal_dbus_handler_hdp_unregister_application(int app_id)
 858 {
 859         GDBusConnection *conn;
 860         GDBusProxy *proxy = NULL;
 861         GVariant *reply = NULL;
 862         GError *err = NULL;
 863         hdp_app_data_t *app;
 864
 865         DBG("+");
 866
 867         DBG("app_id: %d", app_id);
 868         app = __get_hdp_app_by_id(app_id);
 869         if (!app) {
 870                 ERR("No app with app_id: %d exists");
 871                 return BT_STATUS_PARM_INVALID;
 872         }
 873
 874         conn = _bt_hal_get_system_gconn();
 875         if (!conn) {
 876                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 877                 return BT_STATUS_FAIL;
 878         }
 879
 880         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 881                         NULL,
 882                         BT_HAL_BLUEZ_NAME,
 883                         "/org/bluez",
 884                         BT_HAL_HDP_MANAGER_INTERFACE,
 885                         NULL, &err);
 886         if (!proxy) {
 887                 if (err) {
 888                         ERR("Unable to create proxy: %s", err->message);
 889                         g_clear_error(&err);
 890                 } else {
 891                         ERR("Unable to create proxy");
 892                 }
 893                 return BT_STATUS_FAIL;
 894         }
 895
 896         DBG("app->path: %s", app->path);
 897         reply = g_dbus_proxy_call_sync(proxy, "DestroyApplication",
 898                         g_variant_new("(o)", app->path),
 899                         G_DBUS_CALL_FLAGS_NONE,
 900                         -1, NULL, &err);
 901         g_object_unref(proxy);
 902         if (!reply) {
 903                 ERR(" HDP:dbus Can't Destroy application");
 904                 if (err) {
 905                         ERR("%s", err->message);
 906                         g_clear_error(&err);
 907                 }
 908                 return BT_STATUS_FAIL;
 909         }
 910
 911         g_variant_unref(reply);
 912         DBG("Destroyed health application: %s", (char *)app->path);
 913         g_idle_add(__hdp_application_destroyed_cb, (gpointer)app);
 914         DBG("-");
 915
 916         return BT_STATUS_SUCCESS;
 917 }
 918
 919 bt_status_t _bt_hal_dbus_handler_hdp_connect_channel(int app_id, bt_bdaddr_t *bd_addr, int *channel_id)
 920 {
 921         GDBusProxy *hdp_proxy;
 922         hdp_app_data_t *app;
 923         hdp_conn_info_t *conn_info;
 924         char *ch_type;
 925         char address[BT_HAL_ADDRESS_STRING_SIZE];
 926
 927         DBG("+");
 928
 929         if (!bd_addr) {
 930                 ERR("Address is NULL");
 931                 return BT_STATUS_PARM_INVALID;
 932         }
 933
 934         _bt_hal_convert_addr_type_to_string(address, bd_addr->address);
 935
 936         if (!channel_id) {
 937                 ERR("channel_id is NULL");
 938                 return BT_STATUS_PARM_INVALID;
 939         }
 940
 941         app = __get_hdp_app_by_id(app_id);
 942         if (!app) {
 943                 ERR("No app with app_id: %d exists", app_id);
 944                 return BT_STATUS_PARM_INVALID;
 945         }
 946
 947         if (BTHL_CHANNEL_TYPE_RELIABLE == app->channel_type)
 948                 ch_type = "Reliable";
 949         else if (BTHL_CHANNEL_TYPE_STREAMING == app->channel_type)
 950                 ch_type = "Streaming";
 951         else
 952                 ch_type = "Any";
 953
 954         DBG("create conection to %s, channel_type: %s", address, ch_type);
 955
 956         hdp_proxy = __get_health_device_proxy(address);
 957         if (!hdp_proxy) {
 958                 ERR("Failed to get the health device proxy");
 959                 return BT_STATUS_FAIL;
 960         }
 961
 962         DBG("app path %s", app->path);
 963
 964         *channel_id = __hdp_assign_channel_id();
 965         conn_info = g_new0(hdp_conn_info_t, 1);
 966         conn_info->app_id = app->id;
 967         g_strlcpy(conn_info->address, address, BT_HAL_ADDRESS_STRING_SIZE);
 968         conn_info->channel_id = *channel_id;
 969         conn_info->fd = -1;
 970
 971         g_dbus_proxy_call(hdp_proxy, "CreateChannel",
 972                         g_variant_new("(os)", app->path, ch_type),
 973                         G_DBUS_CALL_FLAGS_NONE, -1, NULL,
 974                         (GAsyncReadyCallback)__hdp_connect_request_cb,
 975                         conn_info);
 976
 977         /* Send channel_connect callback with status: connecting and fd = -1 */
 978         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_CONNECTING);
 979         DBG("-");
 980
 981         return BT_STATUS_SUCCESS;
 982 }
 983
 984 bt_status_t _bt_hal_dbus_handler_hdp_destroy_channel(int channel_id)
 985 {
 986         GDBusProxy *hdp_proxy;
 987         hdp_conn_info_t *conn_info;
 988
 989         DBG("+");
 990
 991         conn_info = __hdp_find_conn_info_by_ch_id(channel_id);
 992         if (!conn_info) {
 993                 ERR("No conn found with channel_id: %d", channel_id);
 994                 return BT_STATUS_PARM_INVALID;
 995         }
 996
 997         DBG("Destroy channel with channel_id: %d, remote_addr: %s, obj_path: %s",
 998                         channel_id, conn_info->address, conn_info->obj_path);
 999
1000         hdp_proxy = __get_health_device_proxy(conn_info->address);
1001         if (!hdp_proxy) {
1002                 ERR("Failed to get the health device proxy");
1003                 return BT_STATUS_FAIL;
1004         }
1005
1006         g_dbus_proxy_call(hdp_proxy, "DestroyChannel",
1007                         g_variant_new("(o)", conn_info->obj_path),
1008                         G_DBUS_CALL_FLAGS_NONE, -1, NULL,
1009                         (GAsyncReadyCallback)__hdp_disconnect_request_cb,
1010                         conn_info);
1011
1012         /* Send channel_connect callback with status: connecting and fd = -1 */
1013         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DISCONNECTING);
1014
1015         DBG("-");
1016         return BT_STATUS_SUCCESS;
1017 }
1018
1019 /* To send stack event to hal-hidhost handler */
1020 void _bt_hal_register_hdp_dbus_handler_cb(handle_stack_msg cb)
1021 {
1022         event_cb = cb;
1023 }
1024
1025 /* To send stack event to hal-hidhost handler */
1026 void _bt_hal_unregister_hdp_dbus_handler_cb()
1027 {
1028         event_cb = NULL;
1029 }