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                 g_free(conn_info);
  80         }
  81         else
  82                 event_cb(HAL_EV_HDP_CONN_STATE, (void *)&ev, sizeof(ev));
  83
  84         DBG("-");
  85 }
  86
  87 int __hdp_assign_channel_id(void)
  88 {
  89         int index;
  90
  91         DBG("latest_id: %d", latest_id);
  92
  93         index = latest_id + 1;
  94         if (index >= BT_HAL_HDP_CHANNEL_ID_MAX)
  95                 index = 0;
  96
  97         DBG("index: %d", index);
  98
  99         while (id_used[index] == TRUE) {
 100                 if (index == latest_id) {
 101                         /* No available ID */
 102                         ERR("All request ID is used");
 103                         return -1;
 104                 }
 105
 106                 index++;
 107                 if (index >= BT_HAL_HDP_CHANNEL_ID_MAX)
 108                         index = 0;
 109         }
 110
 111         latest_id = index;
 112         id_used[index] = TRUE;
 113         DBG("Assigned Id: %d", latest_id);
 114
 115         return latest_id;
 116 }
 117
 118 void __hdp_delete_channnel_id(int id)
 119 {
 120         if (id >= BT_HAL_HDP_CHANNEL_ID_MAX || id < 0) {
 121                 ERR("Invalid id %d", id);
 122                 return;
 123         }
 124
 125         id_used[id] = FALSE;
 126         latest_id = id - 1;
 127         DBG("id: %d, latest_id: %d", id, latest_id);
 128 }
 129
 130 static hdp_app_data_t *__get_hdp_app_by_id(int id)
 131 {
 132         GSList *l;
 133
 134         for (l = app_list; l != NULL; l = l->next) {
 135                 hdp_app_data_t *app = l->data;
 136                 if (app && app->id == id)
 137                         return app;
 138         }
 139
 140         return NULL;
 141 }
 142
 143 static hdp_app_data_t *__get_hdp_app_by_path(char *app_path)
 144 {
 145         GSList *l;
 146
 147         if (!app_path)
 148                 return NULL;
 149
 150         for (l = app_list; l != NULL; l = l->next) {
 151                 hdp_app_data_t *app = l->data;
 152                 if (app && 0 == g_strcmp0(app->path, app_path))
 153                         return app;
 154         }
 155
 156         return NULL;
 157 }
 158
 159 static hdp_conn_info_t *__hdp_find_conn_info_by_ch_path(const char *channel_path)
 160 {
 161         GSList *l;
 162         GSList *l1;
 163
 164         if (!channel_path)
 165                 return NULL;
 166
 167         for (l = app_list; l != NULL; l = l->next) {
 168                 hdp_app_data_t *app = l->data;
 169                 if (!app)
 170                         continue;
 171
 172                 for (l1 = app->conn_list; l1 != NULL; l1 = l1->next) {
 173                         hdp_conn_info_t *info = l1->data;
 174                         if (info && 0 == g_strcmp0(info->obj_path, channel_path))
 175                         return info;
 176                 }
 177         }
 178
 179         return NULL;
 180 }
 181
 182 static hdp_conn_info_t *__hdp_find_conn_info_by_ch_id(int channel_id)
 183 {
 184         GSList *l;
 185         GSList *l1;
 186
 187         for (l = app_list; l != NULL; l = l->next) {
 188                 hdp_app_data_t *app = l->data;
 189                 if (!app)
 190                         continue;
 191
 192                 for (l1 = app->conn_list; l1 != NULL; l1 = l1->next) {
 193                         hdp_conn_info_t *info = l1->data;
 194                         if (info && info->channel_id == channel_id)
 195                         return info;
 196                 }
 197         }
 198
 199         return NULL;
 200 }
 201
 202 static hdp_conn_info_t *__hdp_app_create_incomming_conn_info(const char *path)
 203 {
 204         hdp_conn_info_t *conn_info = NULL;
 205         hdp_app_data_t *app;
 206         GDBusConnection *conn;
 207         GDBusProxy *proxy;
 208         GVariantIter *property_iter;
 209         const char *property;
 210         GVariant *value = NULL;
 211         GVariant *reply;
 212         GError *err = NULL;
 213         char *device = NULL;
 214         char *dev_path;
 215         char *app_path = NULL;
 216         char *type_qos = NULL;
 217         gsize len;
 218
 219         DBG("+");
 220
 221         conn = _bt_hal_get_system_gconn();
 222         if(!conn) {
 223                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 224                 return NULL;
 225         }
 226
 227         /* Retrive device info */
 228         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 229                         NULL,
 230                         BT_HAL_BLUEZ_NAME,
 231                         path,
 232                         BT_HAL_PROPERTIES_INTERFACE,
 233                         NULL, &err);
 234         if (!proxy) {
 235                 ERR("Unable to create proxy: %s", err->message);
 236                 g_clear_error(&err);
 237                 return NULL;
 238         }
 239
 240         dev_path = g_strdup(BT_HAL_HDP_CHANNEL_INTERFACE);
 241         reply = g_dbus_proxy_call_sync(proxy, "GetAll",
 242                         g_variant_new("(s)", dev_path),
 243                         G_DBUS_CALL_FLAGS_NONE,
 244                         -1, NULL, &err);
 245         g_free(dev_path);
 246         g_object_unref(proxy);
 247         if (!reply) {
 248                 ERR(" HDP:dbus Can't get the reply");
 249                 if (err) {
 250                         ERR("%s", err->message);;
 251                         g_clear_error(&err);
 252                 }
 253                 return NULL;
 254         }
 255
 256         g_variant_get(reply, "(a{sv})", &property_iter);
 257         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 258                 DBG("String received = %s\n", property);
 259                 if (g_strcmp0("Type", property) == 0)
 260                         type_qos = g_variant_dup_string(value, &len);
 261                 else if (g_strcmp0("Device", property) == 0)
 262                         device = g_variant_dup_string(value, &len);
 263                 else if (g_strcmp0("Application", property) == 0)
 264                         app_path = g_variant_dup_string(value, &len);
 265         }
 266
 267         DBG("QOS = %s, Device = %s, Apphandler = %s", type_qos, device, app_path);
 268         g_variant_iter_free(property_iter);
 269         g_variant_unref(reply);
 270         g_free(device);
 271
 272         if (!type_qos || !app_path) {
 273                 ERR("Pasing failed");
 274                 goto free;
 275         }
 276
 277         app = __get_hdp_app_by_path(app_path);
 278         if (!app) {
 279                 ERR("Could not find the app with path: %s", app_path);
 280                 goto free;
 281         }
 282
 283         conn_info = g_new0(hdp_conn_info_t, 1);
 284         conn_info->channel_id = __hdp_assign_channel_id();
 285         _bt_hal_convert_device_path_to_address(path, conn_info->address);
 286         conn_info->app_id = app->id;
 287         conn_info->fd = -1;
 288
 289         DBG("App Id: %d, remote_address: %s", app->id, conn_info->address);
 290         app->conn_list = g_slist_append(app->conn_list, conn_info);
 291
 292 free:
 293         g_free(type_qos);
 294         g_free(app_path);
 295
 296         DBG("-");
 297         return conn_info;
 298 }
 299
 300 static void __hdp_free_conn_info(hdp_conn_info_t *conn_info)
 301 {
 302         DBG("+");
 303
 304         if (!conn_info) {
 305                 ERR("conn_info is NULL");
 306                 return;
 307         }
 308
 309         __hdp_delete_channnel_id(conn_info->channel_id);
 310         if (0 < conn_info->fd)
 311                 close(conn_info->fd);
 312         g_free(conn_info->obj_path);
 313         g_free(conn_info);
 314
 315         DBG("-");
 316 }
 317
 318 static void __hdp_free_app_data(hdp_app_data_t *app)
 319 {
 320         DBG("+");
 321
 322         g_slist_foreach(app->conn_list, (GFunc)__hdp_free_conn_info, NULL);
 323         g_free(app->conn_list);
 324         g_free(app->path);
 325         g_free(app);
 326
 327         DBG("-");
 328 }
 329
 330 static int __hdp_acquire_fd(const char *path)
 331 {
 332         GDBusConnection *conn;
 333         GDBusProxy *proxy;
 334         GVariant *reply;
 335         GUnixFDList *out_fd_list = NULL;
 336         GError *err = NULL;
 337         int index;
 338         int fd;
 339
 340         DBG("+");
 341
 342         conn = _bt_hal_get_system_gconn();
 343         if(!conn) {
 344                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 345                 return  -1;
 346         }
 347
 348         proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 349                         NULL,
 350                         BT_HAL_BLUEZ_NAME,
 351                         path,
 352                         BT_HAL_HDP_CHANNEL_INTERFACE,
 353                         NULL, &err);
 354         if (!proxy) {
 355                 ERR("Unable to create proxy: %s", err->message);
 356                 g_clear_error(&err);
 357                 return -1;
 358         }
 359
 360         reply = g_dbus_proxy_call_with_unix_fd_list_sync(proxy,
 361                         "Acquire",
 362                         NULL, G_DBUS_CALL_FLAGS_NONE,
 363                         -1, NULL, &out_fd_list,
 364                         NULL, &err);
 365         g_object_unref(proxy);
 366         if (!reply) {
 367                 ERR(" HDP:****** dbus Can't create application ****");
 368                 if (err) {
 369                         ERR("%s", err->message);;
 370                         g_clear_error(&err);
 371                 }
 372
 373                 return -1;
 374         }
 375
 376         g_variant_get(reply, "(h)", &index);
 377         fd = g_unix_fd_list_get(out_fd_list, index, NULL);
 378
 379         INFO("File Descriptor = %d, Dev_path = %s \n", fd, path);
 380         g_variant_unref(reply);
 381         g_object_unref(out_fd_list);
 382
 383         DBG("-");
 384         return fd;
 385 }
 386
 387 static void __hdp_handle_connect(GVariant *parameters)
 388 {
 389         hdp_conn_info_t *conn_info = NULL;
 390         const char *obj_channel_path;
 391         int fd;
 392
 393         DBG("+");
 394
 395         g_variant_get(parameters, "(&o)", &obj_channel_path);
 396         INFO("Channel connected, Path = %s", obj_channel_path);
 397
 398         conn_info = __hdp_find_conn_info_by_ch_path(obj_channel_path);
 399
 400         fd = __hdp_acquire_fd(obj_channel_path);
 401         if (0 > fd) {
 402                 ERR("__hdp_acquire_fd failed");
 403                 goto err;
 404         }
 405
 406         if (!conn_info) {
 407                 INFO("conn_info not found, incomming connection request");
 408                 /* Create hdp app connection info */
 409                 conn_info = __hdp_app_create_incomming_conn_info(obj_channel_path);
 410                 if (!conn_info) {
 411                         ERR("Could not create app conn info");
 412                         close(fd);
 413                         return;
 414                 }
 415         }
 416
 417         conn_info->fd = fd;
 418         conn_info->obj_path = g_strdup(obj_channel_path);
 419         /* Send channel_connect callback with status: success */
 420         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_CONNECTED);
 421
 422         DBG("-");
 423         return;
 424 err:
 425         if (conn_info) {
 426                 hdp_app_data_t *app = __get_hdp_app_by_id(conn_info->app_id);
 427
 428                 ERR("Outgoing connection failed for app_id:%d, send event", conn_info->app_id);
 429                 /* Send channel_connect callback with status: disconnected and fd = -1 */
 430                 __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DISCONNECTED);
 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         __hdp_send_conn_event(conn_info, BTHL_CONN_STATE_DESTROYED);
 457
 458         app = __get_hdp_app_by_id(conn_info->app_id);
 459         app->conn_list = g_slist_remove(app->conn_list, conn_info);
 460         __hdp_free_conn_info(conn_info);
 461
 462         DBG("-");
 463 }
 464
 465 static void __hdp_handle_property_changed(GVariant *parameters)
 466 {
 467         char *property = NULL;
 468         GVariant *value = NULL;
 469         char *obj_main_channel_path = NULL;
 470         GVariantIter *property_iter = NULL;
 471         gsize len;
 472
 473         DBG("+");
 474
 475         g_variant_get(parameters, "(a{sv})", &property_iter);
 476         while (g_variant_iter_loop(property_iter, "{sv}", &property, &value)) {
 477                 if (g_strcmp0("MainChannel", property) == 0) {
 478                         INFO("Property MainChannel received");
 479                         obj_main_channel_path = g_variant_dup_string(value, &len);
 480                         DBG("Main Channel  Path = %s", obj_main_channel_path);
 481                         break;
 482                 }
 483         }
 484         g_variant_iter_free(property_iter);
 485         g_free(property);
 486         g_variant_unref(value);
 487         g_free(obj_main_channel_path);
 488
 489         DBG("-");
 490 }
 491
 492 static void __hdp_event_filter(GDBusConnection *connection,
 493                 const gchar *sender_name,
 494                 const gchar *object_path,
 495                 const gchar *interface_name,
 496                 const gchar *signal_name,
 497                 GVariant *parameters,
 498                 gpointer user_data)
 499 {
 500         DBG("Path = %s", object_path);
 501         if (object_path == NULL || g_strcmp0(object_path, "/") == 0)
 502                 return;
 503
 504         if (signal_name == NULL)
 505                 return;
 506
 507         if (strcasecmp(signal_name, "ChannelConnected") == 0)
 508                 __hdp_handle_connect(parameters);
 509
 510         else if (strcasecmp(signal_name, "ChannelDeleted") == 0)
 511                 __hdp_handle_disconnect(parameters, object_path);
 512
 513         else if (strcasecmp(signal_name, "PropertyChanged") == 0)
 514                 __hdp_handle_property_changed(parameters);
 515
 516         return;
 517 }
 518
 519 static int __hdp_filter_subscribe_signal(GDBusConnection *conn,
 520                                 gboolean subscribe)
 521 {
 522         static guint subs_add_filter_id = 0;
 523
 524         if (conn == NULL)
 525                 return BT_HAL_ERROR_INVALID_PARAM;
 526
 527         if (subscribe && subs_add_filter_id) {
 528         }
 529
 530         if (subscribe) {
 531                 if (subs_add_filter_id == 0) {
 532                         subs_add_filter_id = g_dbus_connection_signal_subscribe(
 533                                         conn, NULL, BT_HAL_HDP_DEVICE_INTERFACE,
 534                                         NULL, NULL, NULL, 0,
 535                                         __hdp_event_filter, NULL, NULL);
 536                 } else {
 537                         INFO("Signal already subscribed");
 538                 }
 539         } else {
 540                 if (subs_add_filter_id > 0) {
 541                         g_dbus_connection_signal_unsubscribe(conn,
 542                                         subs_add_filter_id);
 543                         subs_add_filter_id = 0;
 544                 }
 545         }
 546
 547         return BT_HAL_ERROR_NONE;
 548 }
 549
 550 static int __hdp_add_filter(void)
 551 {
 552         static GDBusConnection *hdp_conn;
 553
 554         DBG("+");
 555
 556         hdp_conn = _bt_hal_get_system_gconn();
 557         if(!hdp_conn) {
 558                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 559                 return BT_HAL_ERROR_INTERNAL;
 560         }
 561
 562         return __hdp_filter_subscribe_signal(hdp_conn, TRUE);
 563
 564         DBG("-");
 565 }
 566
 567 static int __hdp_remove_filter(void)
 568 {
 569         static GDBusConnection *hdp_conn;
 570
 571         DBG("+");
 572
 573         hdp_conn = _bt_hal_get_system_gconn();
 574         if(!hdp_conn) {
 575                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 576                 return BT_HAL_ERROR_INTERNAL;
 577         }
 578
 579         return __hdp_filter_subscribe_signal(hdp_conn, FALSE);
 580
 581         DBG("-");
 582 }
 583
 584 static void __hdp_send_app_reg_event(int app_id, unsigned int state)
 585 {
 586         struct hal_ev_hdp_app_reg_state ev;
 587
 588         DBG("+");
 589
 590         /* Prepare to send HDP app registration state event */
 591         memset(&ev, 0, sizeof(ev));
 592         ev.app_id = app_id;
 593         ev.state = state;
 594         if (!event_cb)
 595                 ERR("HDP dbus handler callback not registered");
 596         else
 597                 event_cb(HAL_EV_HDP_APP_REG_STATE, (void *)&ev, sizeof(ev));
 598
 599         DBG("-");
 600 }
 601
 602 static gboolean __hdp_application_created_cb(gpointer data)
 603 {
 604         hdp_app_data_t *app = data;
 605
 606         DBG("+");
 607         if (!app) {
 608                 ERR("__hdp_application_created_cb called with null app data");
 609                 return FALSE;
 610         }
 611
 612         app_list = g_slist_append(app_list, app);
 613         if (BT_HAL_ERROR_NONE != __hdp_add_filter()) {
 614                 ERR("Funtion failed");
 615                 __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_REG_FAILED);
 616                 return FALSE;
 617         }
 618
 619         __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_REG_SUCCESS);
 620
 621         DBG("-");
 622         return FALSE;
 623 }
 624
 625 static gboolean  __hdp_application_destroyed_cb(gpointer data)
 626 {
 627         hdp_app_data_t *app = data;
 628         int len;
 629
 630         DBG("+");
 631         if (!app) {
 632                 ERR("__hdp_application_destroyed_cb called with null app data");
 633                 return FALSE;
 634         }
 635
 636         app_list = g_slist_remove(app_list, app);
 637
 638         len = g_slist_length(app_list);
 639         DBG("List length = %d\n", len);
 640         if (0 == len)
 641                 __hdp_remove_filter();
 642
 643         __hdp_send_app_reg_event(app->id, BTHL_APP_REG_STATE_DEREG_SUCCESS);
 644         __hdp_free_app_data(app);
 645
 646         DBG("-");
 647         return FALSE;
 648 }
 649
 650 static GDBusProxy *__get_health_device_proxy(char *address)
 651 {
 652         GDBusConnection *conn;
 653         GDBusProxy *hdp_proxy;
 654         GError *err = NULL;
 655         char *adapter_path;
 656         char *dev_path;
 657
 658         DBG("+");
 659
 660         adapter_path = _bt_hal_get_adapter_path();
 661         if (!adapter_path) {
 662                 ERR("Could not get adapter path");
 663                 return NULL;
 664         }
 665
 666         dev_path = g_strdup_printf("%s/dev_%s", adapter_path, address);
 667         if (!dev_path) {
 668                 ERR("Failed to create dev_path");
 669                 g_free(adapter_path);
 670                 return NULL;
 671         }
 672
 673         g_strdelimit(dev_path, ":", '_');
 674         DBG("dev_path: %s", dev_path);
 675
 676         conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 677         if(!conn) {
 678                 ERR("ERROR: Can't get on system bus [%s]", err->message);
 679                 g_clear_error(&err);
 680                 g_free(dev_path);
 681                 return NULL;
 682         }
 683
 684         hdp_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 685                         NULL, BT_HAL_BLUEZ_NAME,
 686                         dev_path, BT_HAL_HDP_DEVICE_INTERFACE,
 687                         NULL, NULL);
 688         if (!hdp_proxy)
 689                 ERR("Failed to get the HDP server proxy");
 690         g_object_unref(conn);
 691         g_free(dev_path);
 692
 693         DBG("-");
 694         return hdp_proxy;
 695 }
 696
 697 static void __hdp_connect_request_cb(GDBusProxy *hdp_proxy,
 698                 GAsyncResult *res, gpointer user_data)
 699 {
 700         GVariant *reply;
 701         GError *err = NULL;
 702         hdp_conn_info_t *conn_info = user_data;
 703         hdp_app_data_t *app;
 704         char *obj_path = NULL;
 705
 706         DBG("+");
 707
 708         reply = g_dbus_proxy_call_finish(hdp_proxy, res, &err);
 709         g_object_unref(hdp_proxy);
 710         if (!reply) {
 711                 if (err) {
 712                         ERR("HDP connection Dbus Call Error: %s", err->message);
 713                         g_clear_error(&err);
 714                 }
 715                 /* Send channel_connect callback with status: disconnected and fd = -1 */
 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");
 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");
 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 }