bt-api/bt-hid-device.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17 #include <gio/gio.h>
  18 #include <gio/gunixfdlist.h>
  19 #include <sys/socket.h>
  20
  21 #include "bluetooth-api.h"
  22 #include "bt-internal-types.h"
  23 #include "bluetooth-hid-api.h"
  24 #include "bt-common.h"
  25 #include "bt-request-sender.h"
  26 #include "bt-event-handler.h"
  27
  28 #define HID_UUID                "00001124-0000-1000-8000-00805f9b34fb"
  29 #define HID_DEVICE_UUID "00001124-0000-1000-8000-00805f9b43bf"
  30 #define REPORTID_MOUSE  1
  31 #define BT_HID_BUFFER_LEN 100
  32
  33 /* HIDP header masks */
  34 #define BT_HID_HEADER_TRANS_MASK                        0xf0
  35 #define BT_HID_HEADER_PARAM_MASK                        0x0f
  36
  37 /* HIDP transaction types */
  38 #define BT_HID_TRANS_HANDSHAKE                  0x00
  39 #define BT_HID_TRANS_HID_CONTROL                        0x10
  40 #define BT_HID_TRANS_GET_REPORT                 0x40
  41 #define BT_HID_TRANS_SET_REPORT                 0x50
  42 #define BT_HID_TRANS_GET_PROTOCOL                       0x60
  43 #define BT_HID_TRANS_SET_PROTOCOL                       0x70
  44 #define BT_HID_TRANS_GET_IDLE                   0x80
  45 #define BT_HID_TRANS_SET_IDLE                   0x90
  46 #define BT_HID_TRANS_DATA                               0xa0
  47 #define BT_HID_TRANS_DATC                               0xb0
  48
  49 #define BT_HID_DATA_RTYPE_INPUT                 0x01
  50 #define BT_HID_DATA_RTYPE_OUTPUT                        0x02
  51
  52 #define BT_HID_HSHK_SUCCESSFUL  0x00
  53 #define BT_HID_HSHK_NOT_READY   0x01
  54 #define BT_HID_HSHK_ERR_INVALID_REPORT_ID       0x02
  55 #define BT_HID_HSHK_ERR_UNSUPPORTED_REQUEST     0x03
  56 #define BT_HID_HSHK_ERR_INVALID_PARAMETER       0x04
  57 #define BT_HID_HSHK_ERR_UNKNOWN 0x0E
  58 #define BT_HID_HSHK_ERR_FATAL   0x0F
  59
  60 typedef struct {
  61         guint object_id;
  62         gchar *path;
  63         int id;
  64         char *uuid;
  65         GSList *device_list;
  66 } hid_info_t;
  67
  68 typedef struct {
  69         int ctrl_fd;
  70         int intr_fd;
  71         GIOChannel *ctrl_data_io;
  72         GIOChannel *intr_data_io;
  73         guint ctrl_data_id;
  74         guint intr_data_id;
  75         char *address;
  76         guint disconnect_idle_id;
  77 } hid_connected_device_info_t;
  78
  79 struct reports {
  80         guint8 type;
  81         guint8 rep_data[20];
  82 } __attribute__((__packed__));
  83
  84 static hid_info_t *hid_info = NULL;
  85
  86 /* Variable for privilege, only for write API,
  87   before we should reduce time to bt-service dbus calling
  88   -1 : Don't have a permission to access API
  89   0 : Initial value, not yet check
  90   1 : Have a permission to access API
  91 */
  92 static int privilege_token_send_mouse = 0;
  93 static int privilege_token_send_key = 0;
  94 static int privilege_token_reply = 0;
  95
  96 static gboolean __hid_disconnect(hid_connected_device_info_t *info);
  97
  98 int _bt_hid_device_get_fd(const char *address, int *ctrl, int *intr)
  99 {
 100
 101         int ret = BLUETOOTH_ERROR_NONE;
 102         char *adapter_path;
 103         GVariant *result = NULL;
 104         GError *err = NULL;
 105         GDBusConnection *conn;
 106         GDBusProxy *server_proxy;
 107         int index1 = 0;
 108         int index2 = 0;
 109         GUnixFDList *out_fd_list = NULL;
 110         conn = _bt_gdbus_get_system_gconn();
 111         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 112
 113         adapter_path = _bt_get_device_object_path((char *)address);
 114         retv_if(adapter_path == NULL, BLUETOOTH_ERROR_INTERNAL);
 115         BT_INFO_C("Device : %s", adapter_path);
 116         server_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 117                         NULL, BT_BLUEZ_NAME,
 118                         adapter_path, "org.bluez.Input1",  NULL, NULL);
 119         g_free(adapter_path);
 120
 121         if (server_proxy == NULL) {
 122                 BT_ERR("Failed to get the network server proxy\n");
 123                 return BLUETOOTH_ERROR_INTERNAL;
 124         }
 125
 126         result = g_dbus_proxy_call_with_unix_fd_list_sync(server_proxy, "GetFD",
 127                                  NULL,
 128                                  G_DBUS_CALL_FLAGS_NONE,
 129                                  -1,
 130                                  NULL,
 131                                  &out_fd_list,
 132                                  NULL,
 133                                  &err);
 134         if (result == NULL) {
 135                 if (err != NULL) {
 136                         g_dbus_error_strip_remote_error(err);
 137                         BT_ERR("INPUT server register Error: %s\n", err->message);
 138                         if (g_strcmp0(err->message, "Already Exists") == 0) {
 139                                 ret = BLUETOOTH_ERROR_ALREADY_INITIALIZED;
 140                         } else {
 141                                 ret = BLUETOOTH_ERROR_INTERNAL;
 142                         }
 143                         g_error_free(err);
 144                 }
 145         } else {
 146                 g_variant_get(result, "(hh)", &index1, &index2);
 147                 int fd1 = g_unix_fd_list_get(out_fd_list, index1, NULL);
 148                 int fd2 = g_unix_fd_list_get(out_fd_list, index2, NULL);
 149
 150                 *ctrl = fd1;
 151                 *intr = fd2;
 152                 g_object_unref(out_fd_list);
 153                 g_variant_unref(result);
 154         }
 155         g_object_unref(server_proxy);
 156         return ret;
 157 }
 158
 159 static hid_connected_device_info_t *__find_hid_info_with_address(const char *remote_addr)
 160 {
 161         GSList *l;
 162
 163         for (l = hid_info->device_list; l != NULL; l = l->next) {
 164                 hid_connected_device_info_t *info = l->data;
 165                 if (g_strcmp0((const char *)info->address, (const char *)remote_addr) == 0)
 166                         return info;
 167         }
 168         return NULL;
 169 }
 170
 171 static void __hid_connected_cb(hid_connected_device_info_t *info,
 172                         int result)
 173 {
 174         bluetooth_hid_request_t conn_info;
 175         bt_event_info_t *event_info = NULL;
 176
 177         event_info = _bt_event_get_cb_data(BT_HID_DEVICE_EVENT);
 178         if (event_info == NULL)
 179                 return;
 180
 181         memset(&conn_info, 0x00, sizeof(bluetooth_hid_request_t));
 182         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 183                 conn_info.socket_fd = info->intr_fd;
 184         else
 185                 conn_info.socket_fd = info->ctrl_fd;
 186         _bt_convert_addr_string_to_type(conn_info.device_addr.addr, info->address);
 187
 188         if (result == BLUETOOTH_ERROR_NONE)
 189                 BT_INFO_C("Connected [HID Device]");
 190
 191         _bt_common_event_cb(BLUETOOTH_HID_DEVICE_CONNECTED,
 192                         result, &conn_info,
 193                         event_info->cb, event_info->user_data);
 194 }
 195
 196 static void __hid_connect_response_cb(GDBusProxy *proxy, GAsyncResult *res,
 197                         gpointer user_data)
 198
 199 {
 200         int result;
 201         GError *error = NULL;
 202         GVariant *ret = NULL;
 203         hid_connected_device_info_t info;
 204         const char *path;
 205
 206         BT_DBG("+");
 207
 208         ret = g_dbus_proxy_call_finish(proxy, res, &error);
 209         if (ret == NULL) {
 210                 g_dbus_error_strip_remote_error(error);
 211                 BT_ERR("Error : %s \n", error->message);
 212
 213                 if (g_strcmp0(error->message, "In Progress") == 0)
 214                         result = BLUETOOTH_ERROR_DEVICE_BUSY;
 215                 else
 216                         result = BLUETOOTH_ERROR_INTERNAL;
 217
 218                 info.ctrl_fd = -1;
 219                 info.intr_fd = -1;
 220
 221                 info.address = g_malloc0(BT_ADDRESS_STRING_SIZE);
 222
 223                 path = g_dbus_proxy_get_object_path(proxy);
 224                 _bt_convert_device_path_to_address(path, info.address);
 225
 226                 __hid_connected_cb(&info, result);
 227
 228                 g_free(info.address);
 229
 230                 g_error_free(error);
 231         } else {
 232                 g_variant_unref(ret);
 233         }
 234
 235         if (proxy)
 236                 g_object_unref(proxy);
 237
 238         BT_DBG("-");
 239 }
 240
 241 static gboolean __hid_disconnect(hid_connected_device_info_t *info)
 242 {
 243         bluetooth_hid_request_t disconn_info;
 244         int fd = info->ctrl_fd;
 245         bt_event_info_t *event_info;
 246
 247         BT_INFO_C("Disconnected [HID Device]");
 248         hid_info->device_list = g_slist_remove(hid_info->device_list, info);
 249         if (info->ctrl_data_id > 0) {
 250                 g_source_remove(info->ctrl_data_id);
 251                 info->ctrl_data_id = 0;
 252         }
 253         if (info->intr_data_id > 0) {
 254                 g_source_remove(info->intr_data_id);
 255                 info->intr_data_id = 0;
 256         }
 257
 258         if (info->ctrl_data_io) {
 259                 g_io_channel_shutdown(info->ctrl_data_io, TRUE, NULL);
 260                 g_io_channel_unref(info->ctrl_data_io);
 261                 info->ctrl_data_io = NULL;
 262         }
 263         if (info->intr_data_io) {
 264                 g_io_channel_shutdown(info->intr_data_io, TRUE, NULL);
 265                 g_io_channel_unref(info->intr_data_io);
 266                 info->intr_data_io = NULL;
 267         }
 268         if (info->intr_fd >= 0) {
 269                 close(info->ctrl_fd);
 270                 close(info->intr_fd);
 271                 info->intr_fd = -1;
 272                 info->ctrl_fd = -1;
 273         }
 274         info->disconnect_idle_id = 0;
 275         event_info = _bt_event_get_cb_data(BT_HID_DEVICE_EVENT);
 276         if (event_info == NULL)
 277                 return FALSE;
 278
 279         memset(&disconn_info, 0x00, sizeof(bluetooth_hid_request_t));
 280         disconn_info.socket_fd = fd;
 281         _bt_convert_addr_string_to_type(disconn_info.device_addr.addr , info->address);
 282         _bt_common_event_cb(BLUETOOTH_HID_DEVICE_DISCONNECTED,
 283                         BLUETOOTH_ERROR_NONE, &disconn_info,
 284                         event_info->cb, event_info->user_data);
 285         if (info->address)
 286                 g_free(info->address);
 287         g_free(info);
 288         info = NULL;
 289         BT_DBG("-");
 290         return FALSE;
 291 }
 292
 293 void __free_hid_info(hid_info_t *info)
 294 {
 295         BT_DBG("");
 296
 297         _bt_unregister_gdbus(info->object_id);
 298
 299         while (info->device_list) {
 300                 hid_connected_device_info_t *dev_info = NULL;
 301                 dev_info = (hid_connected_device_info_t *)info->device_list->data;
 302
 303                 if (dev_info->disconnect_idle_id > 0) {
 304                         BT_INFO("Disconnect idle still not process remove source");
 305                         g_source_remove(dev_info->disconnect_idle_id);
 306                         dev_info->disconnect_idle_id = 0;
 307                 }
 308                 __hid_disconnect(dev_info);
 309         }
 310
 311         g_free(info->path);
 312         g_free(info->uuid);
 313         g_free(info);
 314 }
 315
 316 static gboolean __is_error_by_disconnect(GError *err)
 317 {
 318         return !g_strcmp0(err->message, "Connection reset by peer") ||
 319                         !g_strcmp0(err->message, "Connection timed out") ||
 320                         !g_strcmp0(err->message, "Software caused connection abort");
 321 }
 322
 323 static gboolean __received_cb(GIOChannel *chan, GIOCondition cond,
 324                                                                 gpointer data)
 325 {
 326         hid_connected_device_info_t *info = data;
 327         GIOStatus status = G_IO_STATUS_NORMAL;
 328         char buffer[20];
 329         gsize len = 0;
 330         GError *err = NULL;
 331         guint8  header, type, param;
 332         bt_event_info_t *event_info;
 333         retv_if(info == NULL, FALSE);
 334
 335         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 336                 BT_ERR_C("HID  disconnected: %d", info->ctrl_fd);
 337                if (info->disconnect_idle_id > 0) {
 338                         BT_INFO("Disconnect idle still not process remove source");
 339                         g_source_remove(info->disconnect_idle_id);
 340                         info->disconnect_idle_id = 0;
 341                }
 342                 __hid_disconnect(info);
 343                 return FALSE;
 344         }
 345         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 346                         &len, &err);
 347         if (status == G_IO_STATUS_NORMAL) {
 348                 BT_INFO("Parsing Data");
 349                 bluetooth_hid_received_data_t data = {0};
 350                 header = buffer[0];
 351                 type = header & BT_HID_HEADER_TRANS_MASK;
 352                 param = header & BT_HID_HEADER_PARAM_MASK;
 353                 BT_INFO("type %d , param %d", type, param);
 354                 BT_INFO("Data Reveived from %s" , info->address);
 355
 356                 event_info = _bt_event_get_cb_data(BT_HID_DEVICE_EVENT);
 357                 if (event_info == NULL)
 358                         return FALSE;
 359
 360                 data.address = g_strdup(info->address);
 361                 switch (type) {
 362                         case BT_HID_TRANS_HANDSHAKE:
 363                                 BT_INFO("TRANS HANDSHAKE");
 364                                 data.type = HTYPE_TRANS_HANDSHAKE;
 365                                 data.buffer_size = len;
 366                                 data.buffer = (char *) malloc(sizeof(char) * len);
 367                                 if (data.buffer)
 368                                         memcpy(data.buffer, buffer, len);
 369                         break;
 370                         case BT_HID_TRANS_HID_CONTROL:
 371                                 BT_INFO("HID CONTROL");
 372                                 data.type = HTYPE_TRANS_HID_CONTROL;
 373                                 data.buffer_size = len;
 374                                 data.buffer = (char *) malloc(sizeof(char) * len);
 375                                 if (data.buffer)
 376                                         memcpy(data.buffer, buffer, len);
 377                         break;
 378                         case BT_HID_TRANS_DATA:
 379                                 BT_INFO("TRANS DATA");
 380                                 data.type = HTYPE_TRANS_DATA;
 381                                 if (param & BT_HID_DATA_RTYPE_INPUT) {
 382                                         BT_INFO("Input Report");
 383                                         data.param = PTYPE_DATA_RTYPE_INPUT;
 384                                         data.buffer_size = len;
 385                                         data.buffer = (char *) malloc(sizeof(char) * len);
 386                                         if (data.buffer)
 387                                                 memcpy(data.buffer, buffer, len);
 388                                 } else {
 389                                         BT_INFO("Out Report");
 390                                         data.param = PTYPE_DATA_RTYPE_OUTPUT;
 391                                         data.buffer_size = len;
 392                                         data.buffer = (char *) malloc(sizeof(char) * len);
 393                                         if (data.buffer)
 394                                                 memcpy(data.buffer, buffer, len);
 395                                 }
 396                         break;
 397                         case BT_HID_TRANS_GET_REPORT: {
 398                                 BT_INFO("Get Report");
 399                                 data.type = HTYPE_TRANS_GET_REPORT;
 400                                 if (param & BT_HID_DATA_RTYPE_INPUT) {
 401                                         BT_INFO("Input Report");
 402                                         data.param = PTYPE_DATA_RTYPE_INPUT;
 403                                 } else {
 404                                         BT_INFO("Output Report");
 405                                         data.param = PTYPE_DATA_RTYPE_OUTPUT;
 406                                 }
 407                                 data.buffer_size = len;
 408                                 data.buffer = (char *) malloc(sizeof(char) * len);
 409                                 if (data.buffer)
 410                                         memcpy(data.buffer, buffer, len);
 411                                 break;
 412                         }
 413                         case BT_HID_TRANS_SET_REPORT: {
 414                                 BT_INFO("Set Report");
 415                                 data.type = HTYPE_TRANS_SET_REPORT;
 416                                 if (param & BT_HID_DATA_RTYPE_INPUT) {
 417                                         BT_INFO("Input Report");
 418                                         data.param = PTYPE_DATA_RTYPE_INPUT;
 419                                 } else {
 420                                         BT_INFO("Output Report");
 421                                         data.param = PTYPE_DATA_RTYPE_OUTPUT;
 422                                 }
 423                                 data.buffer_size = len;
 424                                 data.buffer = (char *) malloc(sizeof(char) * len);
 425                                 if (data.buffer)
 426                                         memcpy(data.buffer, buffer, len);
 427                                 break;
 428                         }
 429                         case BT_HID_TRANS_GET_PROTOCOL:{
 430                                 BT_INFO("Get_PROTOCOL");
 431                                 data.type = HTYPE_TRANS_GET_PROTOCOL;
 432                                 data.param = PTYPE_DATA_RTYPE_INPUT;
 433                                 data.buffer_size = len;
 434                                 data.buffer = (char *) malloc(sizeof(char) * len);
 435                                 if (data.buffer)
 436                                         memcpy(data.buffer, buffer, len);
 437                                 break;
 438                         }
 439                         case BT_HID_TRANS_SET_PROTOCOL:{
 440                                 BT_INFO("Set_PROTOCOL");
 441                                 data.type = HTYPE_TRANS_SET_PROTOCOL;
 442                                 data.param = PTYPE_DATA_RTYPE_INPUT;
 443                                 data.buffer_size = len;
 444                                 data.buffer = (char *) malloc(sizeof(char) * len);
 445                                 if (data.buffer)
 446                                         memcpy(data.buffer, buffer, len);
 447                                 break;
 448                         }
 449                         default: {
 450                                 BT_INFO("unsupported HIDP control message");
 451                                 BT_ERR("Send Handshake Message");
 452                                 guint8 type = BT_HID_TRANS_HANDSHAKE |
 453                                         BT_HID_HSHK_ERR_UNSUPPORTED_REQUEST;
 454                                 data.type = HTYPE_TRANS_UNKNOWN;
 455                                 int fd = g_io_channel_unix_get_fd(chan);
 456                                 int bytes = write(fd,  &type, sizeof(type));
 457                                 BT_INFO("Bytes Written %d", bytes);
 458                                 break;
 459                         }
 460                 }
 461
 462                 _bt_common_event_cb(BLUETOOTH_HID_DEVICE_DATA_RECEIVED,
 463                                 BLUETOOTH_ERROR_NONE, &data,
 464                                 event_info->cb, event_info->user_data);
 465                 if (data.buffer)
 466                         g_free(data.buffer);
 467                 if (data.address)
 468                         g_free((char *)data.address);
 469         } else {
 470                 BT_ERR("Error while reading data %d [%s]", status, info->address);
 471                 if (err) {
 472                         BT_ERR("IO Channel read error [%s]", err->message);
 473                         if (status == G_IO_STATUS_ERROR &&
 474                                         __is_error_by_disconnect(err)) {
 475                                 BT_DBG("cond : %d", cond);
 476                                 g_error_free(err);
 477                                 __hid_disconnect(info);
 478                                 return FALSE;
 479                         }
 480                         g_error_free(err);
 481                 } else if (status == G_IO_STATUS_EOF) {
 482                         __hid_disconnect(info);
 483                         return FALSE;
 484                 }
 485         }
 486         return TRUE;
 487 }
 488
 489 int new_hid_connection(const char *path, int fd, bluetooth_device_address_t *addr)
 490 {
 491         hid_info_t *info = NULL;
 492         hid_connected_device_info_t *dev_info = NULL;
 493         char address[18];
 494         info = hid_info;
 495
 496         if (info == NULL)
 497                 return -1;
 498         _bt_convert_addr_type_to_string((char *)address, addr->addr);
 499         BT_INFO("Address [%s]", address);
 500         dev_info = __find_hid_info_with_address(address);
 501         if (dev_info == NULL) {
 502                 dev_info = (hid_connected_device_info_t *)
 503                         g_malloc0(sizeof(hid_connected_device_info_t));
 504                 if (dev_info == NULL) {
 505                         BT_ERR("Fail to allocation memory");
 506                         return -1;
 507                 }
 508
 509                 dev_info->intr_fd = -1;
 510                 dev_info->ctrl_fd = -1;
 511                 dev_info->intr_fd = fd;
 512                 dev_info->address = g_strdup(address);
 513                 dev_info->intr_data_io = g_io_channel_unix_new(dev_info->intr_fd);
 514                 g_io_channel_set_encoding(dev_info->intr_data_io, NULL, NULL);
 515                 g_io_channel_set_flags(dev_info->intr_data_io, G_IO_FLAG_NONBLOCK, NULL);
 516                 g_io_channel_set_close_on_unref(dev_info->intr_data_io, TRUE);
 517                 dev_info->intr_data_id = g_io_add_watch(dev_info->intr_data_io,
 518                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 519                                 __received_cb, dev_info);
 520                 hid_info->device_list = g_slist_append(hid_info->device_list, dev_info);
 521         } else {
 522                 dev_info->ctrl_fd = fd;
 523                 dev_info->ctrl_data_io = g_io_channel_unix_new(dev_info->ctrl_fd);
 524                 g_io_channel_set_encoding(dev_info->ctrl_data_io, NULL, NULL);
 525                 g_io_channel_set_flags(dev_info->ctrl_data_io, G_IO_FLAG_NONBLOCK, NULL);
 526                 g_io_channel_set_close_on_unref(dev_info->ctrl_data_io, TRUE);
 527                 dev_info->ctrl_data_id = g_io_add_watch(dev_info->ctrl_data_io,
 528                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 529                                 __received_cb, dev_info);
 530         }
 531         if (dev_info->ctrl_fd != -1 && dev_info->intr_fd != -1) {
 532                 __hid_connected_cb(dev_info, BLUETOOTH_ERROR_NONE);
 533         }
 534
 535         return 0;
 536 }
 537 static hid_info_t *__register_method()
 538 {
 539         int object_id;
 540         hid_info_t *info = NULL;
 541         char *path = NULL;
 542         path = g_strdup_printf("/org/socket/server/%d", getpid());
 543
 544         object_id = _bt_register_new_conn(path, new_hid_connection);
 545         if (object_id < 0) {
 546                 return NULL;
 547         }
 548         info = g_new(hid_info_t, 1);
 549         info->object_id = (guint)object_id;
 550         info->path = path;
 551         info->id = 0;
 552         info->device_list = NULL;
 553
 554         return info;
 555 }
 556
 557 void _bluetooth_hid_free_hid_info(void)
 558 {
 559         if (hid_info == NULL) {
 560                 BT_DBG("hid_info is already NULL");
 561                 return;
 562         }
 563
 564         __free_hid_info(hid_info);
 565         hid_info = NULL;
 566 }
 567
 568 BT_EXPORT_API int bluetooth_hid_device_init(hid_cb_func_ptr callback_ptr, void *user_data)
 569 {
 570         int ret;
 571
 572         /* Register HID Device events */
 573         BT_INFO("BT_HID_DEVICE_EVENT");
 574         ret = _bt_register_event(BT_HID_DEVICE_EVENT , (void *)callback_ptr, user_data);
 575
 576         if (ret != BLUETOOTH_ERROR_NONE &&
 577              ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
 578                 BT_ERR("Fail to init the event handler");
 579                 return ret;
 580         }
 581
 582         _bt_set_user_data(BT_HID, (void *)callback_ptr, user_data);
 583
 584         return BLUETOOTH_ERROR_NONE;
 585 }
 586
 587 BT_EXPORT_API int bluetooth_hid_device_deinit(void)
 588 {
 589         int ret;
 590
 591         ret = _bt_unregister_event(BT_HID_DEVICE_EVENT);
 592
 593         if (ret != BLUETOOTH_ERROR_NONE) {
 594                 BT_ERR("Fail to deinit the event handler");
 595                 return ret;
 596         }
 597
 598         _bt_set_user_data(BT_HID, NULL, NULL);
 599
 600         return BLUETOOTH_ERROR_NONE;
 601 }
 602
 603 BT_EXPORT_API int bluetooth_hid_device_activate(void)
 604 {
 605         bt_register_profile_info_t profile_info;
 606         int result = BLUETOOTH_ERROR_NONE;
 607
 608         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_ACTIVATE)
 609                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 610                 BT_ERR("Don't have a privilege to use this API");
 611                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 612         }
 613
 614         if (hid_info != NULL)
 615                 return BLUETOOTH_ERROR_IN_PROGRESS;
 616
 617         hid_info = __register_method();
 618         if (hid_info == NULL)
 619                 return BLUETOOTH_ERROR_INTERNAL;
 620
 621         hid_info->uuid = g_strdup(HID_DEVICE_UUID);
 622
 623         profile_info.authentication = TRUE;
 624         profile_info.authorization = TRUE;
 625         profile_info.obj_path = hid_info->path;
 626         profile_info.role = g_strdup("Hid");
 627         profile_info.service = hid_info->uuid;
 628         profile_info.uuid = hid_info->uuid;
 629
 630         BT_INFO("uuid %s", profile_info.uuid);
 631         result = _bt_register_profile(&profile_info, FALSE);
 632
 633         return result;
 634 }
 635
 636 BT_EXPORT_API int bluetooth_hid_device_deactivate(void)
 637 {
 638         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_DEACTIVATE)
 639                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 640                 BT_ERR("Don't have a privilege to use this API");
 641                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 642         }
 643
 644         if (hid_info == NULL)
 645                 return BLUETOOTH_ERROR_NOT_IN_OPERATION;
 646
 647         _bt_unregister_profile(hid_info->path);
 648
 649         _bluetooth_hid_free_hid_info();
 650
 651         return BLUETOOTH_ERROR_NONE;
 652 }
 653
 654 BT_EXPORT_API int bluetooth_hid_device_connect(const char *remote_addr)
 655 {
 656         char device_address[BT_ADDRESS_STRING_SIZE] = {0};
 657         hid_connected_device_info_t *info = NULL;
 658         int ret;
 659         BT_DBG("+");
 660         BT_CHECK_PARAMETER(remote_addr, return);
 661
 662         info = __find_hid_info_with_address(remote_addr);
 663         if (info) {
 664                 BT_ERR("Connection Already Exists");
 665                 return BLUETOOTH_ERROR_ALREADY_CONNECT;
 666         }
 667         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_CONNECT)
 668                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 669                 BT_ERR("Don't have a privilege to use this API");
 670                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 671         }
 672
 673         memcpy(device_address, remote_addr, BT_ADDRESS_STRING_SIZE);
 674         ret = _bt_connect_profile(device_address, HID_DEVICE_UUID,
 675                                 __hid_connect_response_cb, NULL);
 676
 677         return ret;
 678 }
 679 BT_EXPORT_API int bluetooth_hid_device_disconnect(const char *remote_addr)
 680 {
 681         BT_CHECK_PARAMETER(remote_addr, return);
 682
 683         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_DISCONNECT)
 684                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 685                 BT_ERR("Don't have a privilege to use this API");
 686                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 687         }
 688
 689         hid_connected_device_info_t *info = NULL;
 690
 691         info = __find_hid_info_with_address(remote_addr);
 692         if (info == NULL)
 693                 return BLUETOOTH_ERROR_INVALID_PARAM;
 694
 695         _bt_disconnect_profile((char *)remote_addr, HID_DEVICE_UUID, NULL, NULL);
 696
 697         info->disconnect_idle_id = g_idle_add((GSourceFunc)__hid_disconnect, info);
 698
 699         BT_DBG("-");
 700         return BLUETOOTH_ERROR_NONE;
 701 }
 702 BT_EXPORT_API int bluetooth_hid_device_send_mouse_event(const char *remote_addr,
 703                                         hid_send_mouse_event_t send_event)
 704 {
 705         int result;
 706         int written = 0;
 707         hid_connected_device_info_t *info = NULL;
 708
 709         BT_CHECK_PARAMETER(remote_addr, return);
 710
 711         switch (privilege_token_send_mouse) {
 712         case 0:
 713                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_MOUSE_EVENT);
 714
 715                 if (result == BLUETOOTH_ERROR_NONE) {
 716                         privilege_token_send_mouse = 1; /* Have a permission */
 717                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 718                         BT_ERR("Don't have a privilege to use this API");
 719                         privilege_token_send_mouse = -1; /* Don't have a permission */
 720                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 721                 } else {
 722                         /* Just break - It is not related with permission error */
 723                 }
 724                 break;
 725         case 1:
 726                 /* Already have a privilege */
 727                 break;
 728         case -1:
 729                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 730         default:
 731                 /* Invalid privilge token value */
 732                 return BLUETOOTH_ERROR_INTERNAL;
 733         }
 734         info = __find_hid_info_with_address(remote_addr);
 735         if (info == NULL) {
 736                 BT_ERR("Connection Information not found");
 737                 return BLUETOOTH_ERROR_INVALID_PARAM;
 738         }
 739         int socket_fd;
 740
 741         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 742                 socket_fd = info->intr_fd;
 743         else
 744                 socket_fd = info->ctrl_fd;
 745
 746         written = write(socket_fd, &send_event, sizeof(send_event));
 747
 748         return written;
 749 }
 750
 751 BT_EXPORT_API int bluetooth_hid_device_send_key_event(const char *remote_addr,
 752                                         hid_send_key_event_t send_event)
 753 {
 754         int result;
 755         int written = 0;
 756         hid_connected_device_info_t *info = NULL;
 757
 758         BT_CHECK_PARAMETER(remote_addr, return);
 759
 760         switch (privilege_token_send_key) {
 761         case 0:
 762                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_KEY_EVENT);
 763
 764                 if (result == BLUETOOTH_ERROR_NONE) {
 765                         privilege_token_send_key = 1; /* Have a permission */
 766                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 767                         BT_ERR("Don't have a privilege to use this API");
 768                         privilege_token_send_key = -1; /* Don't have a permission */
 769                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 770                 } else {
 771                         /* Just break - It is not related with permission error */
 772                 }
 773                 break;
 774         case 1:
 775                 /* Already have a privilege */
 776                 break;
 777         case -1:
 778                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 779         default:
 780                 /* Invalid privilge token value */
 781                 return BLUETOOTH_ERROR_INTERNAL;
 782         }
 783
 784         info = __find_hid_info_with_address(remote_addr);
 785         if (info == NULL) {
 786                 BT_ERR("Connection Information not found");
 787                 return BLUETOOTH_ERROR_INVALID_PARAM;
 788         }
 789
 790         int socket_fd;
 791
 792         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 793                 socket_fd = info->intr_fd;
 794         else
 795                 socket_fd = info->ctrl_fd;
 796
 797         written = write(socket_fd, &send_event, sizeof(send_event));
 798         return written;
 799 }
 800
 801 BT_EXPORT_API int bluetooth_hid_device_send_custom_event(const char *remote_addr,
 802                         unsigned char btcode, unsigned char report_id,
 803                         const char *data, unsigned int data_len)
 804 {
 805         int result;
 806         int written = 0;
 807         int socket_fd;
 808         hid_connected_device_info_t *info = NULL;
 809         char *send_event = NULL;
 810
 811         BT_CHECK_PARAMETER(remote_addr, return);
 812         BT_CHECK_PARAMETER(data, return);
 813
 814         switch (privilege_token_send_key) {
 815         case 0:
 816                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_CUSTOM_EVENT);
 817
 818                 if (result == BLUETOOTH_ERROR_NONE) {
 819                         privilege_token_send_key = 1; /* Have a permission */
 820                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 821                         BT_ERR("Don't have a privilege to use this API");
 822                         privilege_token_send_key = -1; /* Don't have a permission */
 823                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 824                 } else {
 825                         /* Just break - It is not related with permission error */
 826                 }
 827                 break;
 828         case 1:
 829                 /* Already have a privilege */
 830                 break;
 831         case -1:
 832                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 833         default:
 834                 /* Invalid privilge token value */
 835                 return BLUETOOTH_ERROR_INTERNAL;
 836         }
 837
 838         info = __find_hid_info_with_address(remote_addr);
 839         if (info == NULL) {
 840                 BT_ERR("Connection Information not found");
 841                 return BLUETOOTH_ERROR_INVALID_PARAM;
 842         }
 843
 844         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 845                 socket_fd = info->intr_fd;
 846         else
 847                 socket_fd = info->ctrl_fd;
 848
 849         send_event = (char*)g_malloc0(data_len + 2);
 850         if (send_event == NULL)
 851                 return BLUETOOTH_ERROR_OUT_OF_MEMORY;
 852
 853         send_event[0] = (char)btcode;
 854         send_event[1] = (char)report_id;
 855         memcpy(send_event + 2, data, data_len);
 856
 857         written = write(socket_fd, send_event, data_len + 2);
 858
 859         g_free(send_event);
 860
 861         return written;
 862 }
 863
 864 BT_EXPORT_API int bluetooth_hid_device_reply_to_report(const char *remote_addr,
 865                                 bt_hid_header_type_t htype,
 866                                 bt_hid_param_type_t ptype,
 867                                 const char *data,
 868                                 unsigned int data_len)
 869 {
 870         int result;
 871         struct reports output_report = { 0 };
 872         int bytes = 0;
 873         hid_connected_device_info_t *info = NULL;
 874         info = __find_hid_info_with_address(remote_addr);
 875         if (info == NULL) {
 876                 BT_ERR("Connection Information not found");
 877                 return BLUETOOTH_ERROR_INVALID_PARAM;
 878         }
 879
 880         BT_CHECK_PARAMETER(remote_addr, return);
 881
 882         switch (privilege_token_reply) {
 883         case 0:
 884                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_REPLY_TO_REPORT);
 885
 886                 if (result == BLUETOOTH_ERROR_NONE) {
 887                         privilege_token_reply = 1; /* Have a permission */
 888                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 889                         BT_ERR("Don't have a privilege to use this API");
 890                         privilege_token_reply = -1; /* Don't have a permission */
 891                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 892                 } else {
 893                         /* Just break - It is not related with permission error */
 894                 }
 895                 break;
 896         case 1:
 897                 /* Already have a privilege */
 898                 break;
 899         case -1:
 900                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 901         default:
 902                 /* Invalid privilge token value */
 903                 return BLUETOOTH_ERROR_INTERNAL;
 904         }
 905
 906         BT_INFO("htype %d ptype %d", htype, ptype);
 907         switch (htype) {
 908                 case HTYPE_TRANS_GET_REPORT: {
 909                         switch (ptype) {
 910                                 case PTYPE_DATA_RTYPE_INPUT: {
 911                                         output_report.type = BT_HID_TRANS_DATA |
 912                                                         BT_HID_DATA_RTYPE_INPUT;
 913                                         memcpy(output_report.rep_data, data, data_len);
 914                                         bytes = write(info->intr_fd, &output_report,
 915                                                                 sizeof(output_report));
 916                                         BT_DBG("Bytes Written %d", bytes);
 917                                         break;
 918                                 }
 919                                 default:
 920                                         BT_INFO("Not Supported");
 921                                         break;
 922                         }
 923                         break;
 924                 case HTYPE_TRANS_GET_PROTOCOL: {
 925                         BT_DBG("Replying to Get_PROTOCOL");
 926                         output_report.type = BT_HID_TRANS_DATA | BT_HID_DATA_RTYPE_OUTPUT;
 927                         output_report.rep_data[0] = data[0];
 928                         bytes = write(info->intr_fd, &output_report, 2);
 929                         BT_DBG("Bytes Written %d", bytes);
 930                         break;
 931                 }
 932                 case HTYPE_TRANS_SET_PROTOCOL: {
 933                         BT_DBG("Reply to Set_Protocol");
 934                         output_report.type = BT_HID_TRANS_DATA | BT_HID_DATA_RTYPE_INPUT;
 935                         memcpy(output_report.rep_data, data, data_len);
 936                         bytes = write(info->ctrl_fd, &output_report,
 937                                         sizeof(output_report));
 938                         BT_DBG("Bytes Written %d", bytes);
 939                         break;
 940                 }
 941                 case HTYPE_TRANS_HANDSHAKE: {
 942                         BT_DBG("Replying Handshake");
 943                         output_report.type = BT_HID_TRANS_HANDSHAKE | data[0];
 944                         memset(output_report.rep_data, 0, sizeof(output_report.rep_data));
 945                         bytes = write(info->intr_fd,  &output_report.type,
 946                                         sizeof(output_report.type));
 947                         BT_DBG("Bytes Written %d", bytes);
 948                         break;
 949                 }
 950                         default:
 951                                 break;
 952                 }
 953         }
 954         return bytes;
 955 }