bt-api/bt-rfcomm-client.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include <string.h>
  19 #include <gio/gunixfdlist.h>
  20
  21 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
  22 #include <errno.h>
  23 #endif
  24
  25 #include "bluetooth-api.h"
  26 #include "bt-internal-types.h"
  27
  28 #include "bt-common.h"
  29 #include "bt-request-sender.h"
  30 #include "bt-event-handler.h"
  31
  32 #ifdef TIZEN_FEATURE_BT_DPM
  33 #include "bt-dpm.h"
  34 #endif
  35
  36 /* Variable for privilege, only for write API,
  37   before we should reduce time to bt-service dbus calling
  38   -1 : Don't have a permission to access API
  39   0 : Initial value, not yet check
  40   1 : Have a permission to access API
  41 */
  42 static int privilege_token;
  43
  44
  45 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
  46 #define BT_TIMEOUT_MESSAGE "Did not receive a reply. Possible causes include: " \
  47                         "the remote application did not send a reply, " \
  48                         "the message bus security policy blocked the reply, " \
  49                         "the reply timeout expired, or the network connection " \
  50                         "was broken."
  51
  52 static GSList *rfcomm_clients;
  53
  54 typedef struct {
  55         char bt_addr[BT_ADDRESS_STRING_SIZE];
  56         int fd;
  57         guint watch_id;
  58         gboolean disconnected;
  59 } rfcomm_conn_info_t;
  60
  61 typedef struct {
  62         char uuid[BLUETOOTH_UUID_STRING_MAX];
  63         char *device_path;
  64         char *obj_path;
  65         int object_id;
  66         int id;
  67         GSList *rfcomm_conns;
  68         unsigned int idle_id;
  69 } rfcomm_cb_data_t;
  70
  71 static void __client_connected_cb(rfcomm_cb_data_t *cb_data,
  72         char *dev_address, int result);
  73
  74 static void __bt_free_cb_data(rfcomm_cb_data_t *cb_data)
  75 {
  76         BT_DBG("+");
  77
  78         if (cb_data->id >= 0)
  79                 __rfcomm_delete_id(cb_data->id);
  80
  81         if (cb_data->object_id > 0)
  82                 _bt_unregister_gdbus(cb_data->object_id);
  83
  84         if (cb_data->obj_path) {
  85                 BT_INFO("Unregister profile");
  86                 _bt_unregister_profile(cb_data->obj_path);
  87         }
  88
  89         if (cb_data->idle_id != 0) {
  90                 BT_INFO("Removing idle source");
  91                 g_source_remove(cb_data->idle_id);
  92         }
  93
  94         g_free(cb_data->obj_path);
  95
  96         g_free(cb_data->device_path);
  97         g_free(cb_data);
  98         BT_DBG("-");
  99 }
 100
 101 static void rfcomm_cb_data_remove(rfcomm_cb_data_t *info)
 102 {
 103         if (info) {
 104                 BT_INFO("No more device connected remove info");
 105                 rfcomm_clients = g_slist_remove(rfcomm_clients, info);
 106                 __bt_free_cb_data(info);
 107         }
 108 }
 109
 110 gint compare(gpointer *a, gpointer *b)
 111 {
 112         rfcomm_conn_info_t *node = (rfcomm_conn_info_t *)a;
 113         char *address = (char *)b;
 114         return g_strcmp0(node->bt_addr, address);
 115 }
 116
 117 gint compare_fd(gpointer *a, gpointer *b)
 118 {
 119         rfcomm_conn_info_t *node = (rfcomm_conn_info_t *)a;
 120         int *fd = (int *)b;
 121         if (node->fd == *fd)
 122                 return 0;
 123
 124         return 1;
 125 }
 126 static void __bt_free_conn(rfcomm_conn_info_t *conn)
 127 {
 128         BT_DBG("+");
 129
 130         if (conn == NULL)
 131                 return;
 132
 133         if (conn->watch_id > 0) {
 134                 g_source_remove(conn->watch_id);
 135                 conn->watch_id = 0;
 136         }
 137
 138         g_free(conn);
 139
 140         BT_DBG("-");
 141 }
 142
 143 static void __rfcomm_remove_conn_info_t(rfcomm_cb_data_t *info, char *address)
 144 {
 145         GSList *l = NULL;
 146         rfcomm_conn_info_t *conn_info = NULL;
 147         l = g_slist_find_custom(info->rfcomm_conns, address, (GCompareFunc)compare);
 148         if (l)
 149                 conn_info = l->data;
 150         if (conn_info) {
 151                 info->rfcomm_conns = g_slist_remove(info->rfcomm_conns, conn_info);
 152                 __bt_free_conn(conn_info);
 153         }
 154 }
 155
 156 static rfcomm_conn_info_t *__get_conn_info_from_fd(rfcomm_cb_data_t *info,
 157         int fd)
 158 {
 159         GSList *l;
 160         rfcomm_conn_info_t *device_node = NULL;
 161         for (l = info->rfcomm_conns; l != NULL; l = l->next) {
 162                 device_node = l->data;
 163                 if (device_node && device_node->fd == fd)
 164                         return device_node;
 165         }
 166         return NULL;
 167 }
 168
 169 static rfcomm_conn_info_t *__get_conn_info_from_address(rfcomm_cb_data_t *info,
 170                 char *dev_address)
 171 {
 172         GSList *l = NULL;
 173         rfcomm_conn_info_t *conn_info = NULL;
 174         l = g_slist_find_custom(info->rfcomm_conns, dev_address,
 175                 (GCompareFunc)compare);
 176         if (l)
 177                 conn_info = l->data;
 178         return conn_info;
 179 }
 180
 181 static void __rfcomm_client_connected_cb(rfcomm_cb_data_t *info,
 182         char *dev_address, int result)
 183 {
 184         if (g_slist_find(rfcomm_clients, info) == NULL) {
 185                 BT_INFO("rfcomm resource is already freed");
 186                 return;
 187         }
 188
 189         __client_connected_cb(info, dev_address, result);
 190         __rfcomm_remove_conn_info_t(info, dev_address);
 191
 192         if (info->rfcomm_conns == NULL)
 193                 rfcomm_cb_data_remove(info);
 194 }
 195
 196 static rfcomm_cb_data_t *__find_rfcomm_info_with_fd(int fd)
 197 {
 198         GSList *l;
 199         GSList *device_fd;
 200         for (l = rfcomm_clients; l != NULL; l = l->next) {
 201                 rfcomm_cb_data_t *info = l->data;
 202                 device_fd = g_slist_find_custom(info->rfcomm_conns, &fd,
 203                         (GCompareFunc)compare_fd);
 204                 if (device_fd)
 205                         return info;
 206         }
 207
 208         return NULL;
 209 }
 210
 211 static rfcomm_cb_data_t *__find_rfcomm_info_from_path(const char *path)
 212 {
 213         GSList *l;
 214
 215         for (l = rfcomm_clients; l != NULL; l = l->next) {
 216                 rfcomm_cb_data_t *info = l->data;
 217
 218                 if (info != NULL)
 219                         if (g_strcmp0(info->obj_path, path) == 0)
 220                                 return info;
 221         }
 222
 223         return NULL;
 224 }
 225
 226 static rfcomm_cb_data_t *__find_rfcomm_info_from_uuid(const char *uuid)
 227 {
 228         GSList *l;
 229
 230         for (l = rfcomm_clients; l != NULL; l = l->next) {
 231                 rfcomm_cb_data_t *info = l->data;
 232
 233                 if (g_strcmp0(info->uuid, uuid) == 0)
 234                         return info;
 235         }
 236
 237         return NULL;
 238 }
 239
 240 static void _bt_rfcomm_disconnect_conn_info(rfcomm_conn_info_t *conn_info,
 241         rfcomm_cb_data_t *info)
 242 {
 243         if (conn_info == NULL)
 244                 return;
 245
 246         bluetooth_rfcomm_disconnection_t disconn_info;
 247         bt_event_info_t *event_info = NULL;
 248
 249         if (conn_info->disconnected == FALSE)
 250                 return;
 251
 252         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 253         if (event_info == NULL) {
 254                 __rfcomm_remove_conn_info_t(info, conn_info->bt_addr);
 255
 256                 if (info->rfcomm_conns == NULL)
 257                         rfcomm_cb_data_remove(info);
 258                 return;
 259         }
 260
 261         memset(&disconn_info, 0x00, sizeof(bluetooth_rfcomm_disconnection_t));
 262         disconn_info.device_role = RFCOMM_ROLE_CLIENT;
 263         g_strlcpy(disconn_info.uuid, info->uuid, BLUETOOTH_UUID_STRING_MAX);
 264         _bt_convert_addr_string_to_type(disconn_info.device_addr.addr,
 265                                         conn_info->bt_addr);
 266
 267         BT_DBG("Disconnected FD [%d]", conn_info->fd);
 268         disconn_info.socket_fd = conn_info->fd;
 269
 270         BT_DBG("Disconnection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 271                         BLUETOOTH_ERROR_NONE, conn_info->bt_addr,
 272                         info->uuid, conn_info->fd);
 273         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DISCONNECTED,
 274                         BLUETOOTH_ERROR_NONE, &disconn_info,
 275                         event_info->cb, event_info->user_data);
 276
 277         __rfcomm_remove_conn_info_t(info, conn_info->bt_addr);
 278
 279         if (info->rfcomm_conns == NULL)
 280                 rfcomm_cb_data_remove(info);
 281
 282         BT_DBG("-");
 283 }
 284
 285 static gboolean __rfcomm_client_disconnect(gpointer user_data)
 286 {
 287         rfcomm_cb_data_t *info = (rfcomm_cb_data_t *)user_data;
 288
 289         BT_INFO_C("### Disconnected [RFCOMM Client]");
 290
 291         retv_if(info == NULL, FALSE);
 292
 293         if (g_slist_find(rfcomm_clients, info) == NULL) {
 294                 BT_INFO("rfcomm resource is already freed");
 295                 return FALSE;
 296         }
 297         info->idle_id = 0;
 298
 299         g_slist_foreach(info->rfcomm_conns,
 300                 (GFunc)_bt_rfcomm_disconnect_conn_info, info);
 301
 302         BT_DBG("-");
 303         return FALSE;
 304 }
 305
 306 static gboolean __is_error_by_disconnect(GError *err)
 307 {
 308         return !g_strcmp0(err->message, "Connection reset by peer") ||
 309                         !g_strcmp0(err->message, "Connection timed out") ||
 310                         !g_strcmp0(err->message, "Software caused connection abort");
 311 }
 312
 313 static gboolean __client_data_received_cb(GIOChannel *chan, GIOCondition cond,
 314                                                                 gpointer data)
 315 {
 316         char *buffer = NULL;
 317         gsize len = 0;
 318         int result = BLUETOOTH_ERROR_NONE;
 319         rfcomm_cb_data_t *info = data;
 320         rfcomm_conn_info_t *conn_info = NULL;
 321         bt_event_info_t *event_info;
 322         bluetooth_rfcomm_received_data_t data_r;
 323         GIOStatus status = G_IO_STATUS_NORMAL;
 324         GError *err = NULL;
 325         int fd;
 326         BT_DBG("");
 327
 328         retv_if(info == NULL, FALSE);
 329         fd = g_io_channel_unix_get_fd(chan);
 330         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 331                 BT_ERR_C("RFComm Client  disconnected: %d", fd);
 332
 333                 conn_info = __get_conn_info_from_fd(info, fd);
 334                 if (conn_info == NULL) {
 335                         BT_ERR("No Connection info found with FD [%d]", fd);
 336                         return FALSE;
 337                 }
 338
 339                 if (conn_info->disconnected == FALSE) {
 340                         close(conn_info->fd);
 341                         conn_info->disconnected = TRUE;
 342                 }
 343                 __rfcomm_client_disconnect(info);
 344                 return FALSE;
 345         }
 346
 347         buffer = g_malloc0(BT_RFCOMM_BUFFER_LEN + 1);
 348
 349         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 350                         &len, &err);
 351         if (status != G_IO_STATUS_NORMAL) {
 352                 BT_ERR("IO Channel read is failed with %d", status);
 353
 354                 g_free(buffer);
 355                 if (err) {
 356                         BT_ERR("IO Channel read error [%s]", err->message);
 357                         if (status == G_IO_STATUS_ERROR &&
 358                                         __is_error_by_disconnect(err)) {
 359                                 BT_ERR("cond : %d", cond);
 360                                 g_error_free(err);
 361
 362                                 conn_info = __get_conn_info_from_fd(info, fd);
 363                                 if (conn_info == NULL) {
 364                                         BT_ERR("No Connection info found with FD [%d]", fd);
 365                                         return FALSE;
 366                                 }
 367
 368                                 if (conn_info->disconnected == FALSE) {
 369                                         close(conn_info->fd);
 370                                         conn_info->disconnected = TRUE;
 371                                 }
 372                                 __rfcomm_client_disconnect(info);
 373                                 return FALSE;
 374                         }
 375                         g_error_free(err);
 376                 }
 377                 return TRUE;
 378         }
 379
 380         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 381         if (event_info == NULL) {
 382                 g_free(buffer);
 383                 return TRUE;
 384         }
 385
 386         data_r.socket_fd = fd;
 387         data_r.buffer_size = len;
 388         data_r.buffer = buffer;
 389
 390         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED,
 391                         result, &data_r,
 392                         event_info->cb, event_info->user_data);
 393
 394         g_free(buffer);
 395         return TRUE;
 396 }
 397
 398 static void __client_connected_cb(rfcomm_cb_data_t *cb_data, char *dev_address,
 399         int result)
 400 {
 401         bluetooth_rfcomm_connection_t conn_info;
 402         bt_event_info_t *event_info;
 403         rfcomm_conn_info_t *conn_list_info = NULL;
 404
 405         if (result == BLUETOOTH_ERROR_NONE)
 406                 BT_INFO_C("### Connected [RFCOMM Client]");
 407
 408         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 409         if (event_info == NULL)
 410                 return;
 411
 412         memset(&conn_info, 0x00, sizeof(bluetooth_rfcomm_connection_t));
 413         conn_info.device_role = RFCOMM_ROLE_CLIENT;
 414         g_strlcpy(conn_info.uuid, cb_data->uuid, BLUETOOTH_UUID_STRING_MAX);
 415         _bt_convert_addr_string_to_type(conn_info.device_addr.addr,
 416                         dev_address);
 417         conn_list_info = __get_conn_info_from_address(cb_data, dev_address);
 418         if (conn_list_info == NULL) {
 419                 BT_ERR("Device addres %s not found in connection list", dev_address);
 420                 return;
 421         }
 422         conn_info.socket_fd = conn_list_info->fd;
 423         conn_info.server_id = -1;
 424
 425         BT_DBG("Connection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 426                         result, conn_list_info->bt_addr, cb_data->uuid, conn_list_info->fd);
 427         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_CONNECTED,
 428                         result, &conn_info,
 429                         event_info->cb, event_info->user_data);
 430         BT_DBG("-");
 431 }
 432
 433 void _bt_rfcomm_client_disconnect_all(void)
 434 {
 435         GSList *client;
 436         GSList *conn;
 437
 438         BT_INFO_C("### Disconnect all RFCOMM client connections");
 439
 440         for (client = rfcomm_clients; client; ) {
 441                 rfcomm_cb_data_t *info = client->data;
 442
 443                 for (conn = info->rfcomm_conns; conn; conn = conn->next) {
 444                         rfcomm_conn_info_t *conn_info = conn->data;
 445
 446                         if (conn_info == NULL)
 447                                 continue;
 448
 449                         if (conn_info->watch_id == 0 || conn_info->disconnected)
 450                                 continue;
 451
 452                         close(conn_info->fd);
 453                         conn_info->disconnected = TRUE;
 454
 455                         _bt_disconnect_ext_profile(conn_info->bt_addr,
 456                                                    info->obj_path);
 457                 }
 458
 459                 client = client->next;
 460                 __rfcomm_client_disconnect(info);
 461         }
 462
 463         return;
 464 }
 465
 466 int new_connection(const char *path, int fd, bluetooth_device_address_t *addr)
 467 {
 468         rfcomm_cb_data_t *info;
 469         GIOChannel *data_io;
 470         rfcomm_conn_info_t *conn_info = NULL;
 471         char address[BT_ADDRESS_STRING_SIZE];
 472
 473         BT_INFO("%s %d", path, fd);
 474
 475         _bt_convert_addr_type_to_string(address,
 476                                 (unsigned char *)addr);
 477
 478         info = __find_rfcomm_info_from_path(path);
 479         if (info == NULL) {
 480                 BT_ERR("rfcomm info is NULL");
 481                 return -1;
 482         }
 483
 484         conn_info = __get_conn_info_from_address(info, address);
 485         if (conn_info == NULL) {
 486                 BT_ERR("connection info is NULL");
 487                 return -1;
 488         }
 489
 490         conn_info->fd = fd;
 491
 492         data_io = g_io_channel_unix_new(fd);
 493
 494         g_io_channel_set_encoding(data_io, NULL, NULL);
 495         g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
 496
 497         conn_info->watch_id = g_io_add_watch(data_io,
 498                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 499                                 __client_data_received_cb, info);
 500
 501         g_io_channel_unref(data_io);
 502
 503         __client_connected_cb(info, address, BLUETOOTH_ERROR_NONE);
 504
 505         return 0;
 506 }
 507
 508 static void __bt_connect_response_cb(GDBusProxy *proxy, GAsyncResult *res,
 509                                                         gpointer user_data)
 510
 511 {
 512         GError *error = NULL;
 513         GVariant *value;
 514         rfcomm_cb_data_t *cb_data;
 515         char dev_address[BT_ADDRESS_STRING_SIZE];
 516         const char *path;
 517         BT_DBG("+");
 518
 519         ret_if(user_data == NULL);
 520
 521         cb_data = user_data;
 522
 523         value = g_dbus_proxy_call_finish(proxy, res, &error);
 524         if (value == NULL) {
 525                 int result;
 526                 g_dbus_error_strip_remote_error(error);
 527                 BT_ERR("Error : %s \n", error->message);
 528
 529                 if (g_strcmp0(error->message, "In Progress") == 0)
 530                         result = BLUETOOTH_ERROR_DEVICE_BUSY;
 531                 else
 532                         result = BLUETOOTH_ERROR_INTERNAL;
 533                 path = g_dbus_proxy_get_object_path(proxy);
 534                 _bt_convert_device_path_to_address(path, dev_address);
 535                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 536
 537                 g_error_free(error);
 538         } else {
 539                 g_variant_unref(value);
 540         }
 541
 542         if (proxy)
 543                 g_object_unref(proxy);
 544
 545         BT_DBG("-");
 546 }
 547
 548 static void __bt_discover_service_response_cb(GDBusProxy *proxy,
 549                                 GAsyncResult *res, gpointer user_data)
 550 {
 551         rfcomm_cb_data_t *cb_data;
 552         int ret = 0;
 553         GError *err = NULL;
 554         GVariant *value;
 555         bt_register_profile_info_t info = {0};
 556         int result = BLUETOOTH_ERROR_NONE;
 557         char dev_address[BT_ADDRESS_STRING_SIZE];
 558         const char *path;
 559
 560         BT_DBG("+");
 561
 562         ret_if(user_data == NULL);
 563
 564         cb_data = user_data;
 565
 566         path = g_dbus_proxy_get_object_path(proxy);
 567
 568         _bt_convert_device_path_to_address(path, dev_address);
 569         BT_DBG("Device Adress [%s]", dev_address);
 570         value = g_dbus_proxy_call_finish(proxy, res, &err);
 571         if (proxy)
 572                 g_object_unref(proxy);
 573         if (value)
 574                 g_variant_unref(value);
 575
 576         if (err != NULL) {
 577                 g_dbus_error_strip_remote_error(err);
 578                 BT_ERR("Error occured in Proxy call [%s]\n", err->message);
 579                 if (!strcmp("Operation canceled", err->message)) {
 580                         result = BLUETOOTH_ERROR_CANCEL_BY_USER;
 581                 } else if (!strcmp("In Progress", err->message)) {
 582                         result = BLUETOOTH_ERROR_IN_PROGRESS;
 583                 } else if (!strcmp("Host is down", err->message)) {
 584                         result = BLUETOOTH_ERROR_HOST_DOWN;
 585                 } else if (!strcmp(BT_TIMEOUT_MESSAGE, err->message)) {
 586                         result = BLUETOOTH_ERROR_SERVICE_SEARCH_ERROR;
 587                         ret = _bt_cancel_discovers(dev_address);
 588                         if (ret != BLUETOOTH_ERROR_NONE)
 589                                 BT_ERR("Error: While CancelDiscovery");
 590                 } else {
 591                         result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 592                 }
 593                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 594                 goto done;
 595         } else {
 596                 BT_INFO("Services are Updated checking required uuid is there");
 597                 /* Check here for uuid present */
 598                 ret = _bt_discover_service_uuids(dev_address, (char *)cb_data->uuid);
 599                 if (ret == BLUETOOTH_ERROR_NONE) {
 600                         info.uuid = (char *)cb_data->uuid;
 601                         info.obj_path = cb_data->obj_path;
 602                         info.role = "client";
 603
 604                         ret = _bt_register_profile(&info, FALSE);
 605                         if (ret < 0)
 606                                 BT_DBG("Error: register profile");
 607                         ret = _bt_connect_profile(dev_address, cb_data->uuid,
 608                                                 __bt_connect_response_cb, cb_data);
 609
 610                         if (ret != BLUETOOTH_ERROR_NONE) {
 611                                 BT_ERR("ConnectProfile failed");
 612                                 result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 613                                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 614                                 goto done;
 615                         }
 616                 } else {
 617                         BT_ERR("remote uuid not found");
 618                         result = BLUETOOTH_ERROR_SERVICE_NOT_FOUND;
 619                         __rfcomm_client_connected_cb(cb_data, dev_address, result);
 620                 }
 621         }
 622 done:
 623         if (err)
 624                 g_clear_error(&err);
 625 }
 626 #else
 627 GSList *rfcomm_clients;
 628
 629 typedef struct {
 630         char *uuid;
 631         char *remote_addr;
 632         int sock_fd;
 633         int watch_id;
 634 } rfcomm_client_conn_info_t;
 635
 636 static gboolean __is_error_by_disconnect(GError *err)
 637 {
 638         return !g_strcmp0(err->message, "Connection reset by peer") ||
 639                 !g_strcmp0(err->message, "Connection timed out") ||
 640                 !g_strcmp0(err->message, "Software caused connection abort");
 641 }
 642
 643 static rfcomm_client_conn_info_t *__find_rfcomm_conn_info_with_fd(int fd)
 644 {
 645         GSList *l;
 646
 647         BT_DBG("+");
 648
 649         for (l = rfcomm_clients; l != NULL; l = l->next) {
 650                 rfcomm_client_conn_info_t *info = l->data;
 651
 652                 if (info && info->sock_fd == fd) {
 653                         BT_INFO("Match found");
 654                         return info;
 655                 }
 656         }
 657
 658         BT_DBG("-");
 659         return NULL;
 660 }
 661
 662 static void __rfcomm_remove_client_conn_info_t(rfcomm_client_conn_info_t *info)
 663 {
 664         ret_if(info == NULL);
 665
 666         rfcomm_clients = g_slist_remove(rfcomm_clients, info);
 667         g_free(info->uuid);
 668         g_free(info->remote_addr);
 669 }
 670
 671 static void __bt_rfcomm_client_disconnected(rfcomm_client_conn_info_t *conn_info)
 672 {
 673
 674         bluetooth_rfcomm_disconnection_t disconn_info;
 675         bt_event_info_t *event_info = NULL;
 676
 677         ret_if(conn_info == NULL);
 678
 679         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 680         ret_if(event_info == NULL);
 681
 682         memset(&disconn_info, 0x00, sizeof(bluetooth_rfcomm_disconnection_t));
 683         disconn_info.device_role = RFCOMM_ROLE_CLIENT;
 684         disconn_info.socket_fd = conn_info->sock_fd;
 685         g_strlcpy(disconn_info.uuid, conn_info->uuid, BLUETOOTH_UUID_STRING_MAX);
 686         _bt_convert_addr_string_to_type(disconn_info.device_addr.addr,
 687                         conn_info->remote_addr);
 688
 689         BT_DBG("Disconnection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 690                         BLUETOOTH_ERROR_NONE, conn_info->remote_addr,
 691                         conn_info->uuid, conn_info->sock_fd);
 692         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DISCONNECTED,
 693                         BLUETOOTH_ERROR_NONE, &disconn_info,
 694                         event_info->cb, event_info->user_data);
 695
 696         BT_DBG("-");
 697 }
 698
 699 static gboolean __client_data_received_cb(GIOChannel *chan, GIOCondition cond, gpointer data)
 700 {
 701         bt_event_info_t *event_info;
 702         bluetooth_rfcomm_received_data_t data_r;
 703         rfcomm_client_conn_info_t *conn_info;
 704
 705         int fd;
 706         gsize len = 0;
 707         char *buffer;
 708         GError *err = NULL;
 709         GIOStatus status = G_IO_STATUS_NORMAL;
 710
 711         BT_DBG("+");
 712
 713         fd = g_io_channel_unix_get_fd(chan);
 714         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 715                 BT_ERR_C("RFComm Client  disconnected: %d", fd);
 716                 goto fail;
 717         }
 718
 719         buffer = g_malloc0(BT_RFCOMM_BUFFER_LEN + 1);
 720         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 721                         &len, &err);
 722         if (status != G_IO_STATUS_NORMAL) {
 723                 BT_ERR("IO Channel read is failed with %d", status);
 724                 g_free(buffer);
 725                 if (err) {
 726                         BT_ERR("IO Channel read error [%s]", err->message);
 727                         if (status == G_IO_STATUS_ERROR &&
 728                                         __is_error_by_disconnect(err)) {
 729                                 BT_ERR("cond : %d", cond);
 730                                 g_error_free(err);
 731                                 goto fail;
 732                         }
 733                         g_error_free(err);
 734                 }
 735
 736                 return TRUE;
 737         }
 738
 739         if (len == 0) {
 740                 BT_ERR("Length is zero, remote end hang up");
 741                 goto fail;
 742         }
 743
 744         BT_DBG("fd: %d, len: %d, buffer: %s", fd, len, buffer);
 745
 746         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 747         if (event_info == NULL) {
 748                 BT_INFO("event_info == NULL");
 749                 g_free(buffer);
 750                 return TRUE;
 751         }
 752
 753         data_r.socket_fd = fd;
 754         data_r.buffer_size = len;
 755         data_r.buffer = buffer;
 756
 757         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED,
 758                         BLUETOOTH_ERROR_NONE, &data_r,
 759                         event_info->cb, event_info->user_data);
 760
 761         g_free(buffer);
 762         return TRUE;
 763
 764 fail:
 765         conn_info = __find_rfcomm_conn_info_with_fd(fd);
 766         if (conn_info) {
 767                 __bt_rfcomm_client_disconnected(conn_info);
 768                 __rfcomm_remove_client_conn_info_t(conn_info);
 769         } else {
 770                 BT_ERR("RFCOMM client conn_info not found");
 771         }
 772         return FALSE;
 773 }
 774
 775 static void __rfcomm_client_connection_create_watch(rfcomm_client_conn_info_t *conn_info)
 776 {
 777         GIOChannel *data_io;
 778
 779         ret_if(NULL == conn_info);
 780
 781         BT_DBG("+");
 782
 783         data_io = g_io_channel_unix_new(conn_info->sock_fd);
 784         g_io_channel_set_encoding(data_io, NULL, NULL);
 785         g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
 786         conn_info->watch_id = g_io_add_watch(data_io,
 787                         G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 788                         __client_data_received_cb, NULL);
 789         g_io_channel_unref(data_io);
 790
 791         BT_DBG("-");
 792 }
 793
 794 static void __bt_rfcomm_handle_new_client_connection(bluetooth_rfcomm_connection_t *info)
 795 {
 796         rfcomm_client_conn_info_t *conn_info;
 797
 798         ret_if(NULL == info);
 799
 800         BT_DBG("+");
 801
 802         conn_info = g_malloc0(sizeof(rfcomm_client_conn_info_t));
 803         conn_info->remote_addr = g_malloc0(BT_ADDRESS_STRING_SIZE);
 804         _bt_convert_addr_type_to_string(
 805                         conn_info->remote_addr, info->device_addr.addr);
 806         conn_info->uuid = g_strdup(info->uuid);
 807         conn_info->sock_fd = info->socket_fd;
 808
 809         BT_DBG("Address:%s, UUID:%s Socket: %d",
 810                         conn_info->remote_addr, conn_info->uuid, conn_info->sock_fd);
 811
 812         rfcomm_clients = g_slist_append(rfcomm_clients, conn_info);
 813         __rfcomm_client_connection_create_watch(conn_info);
 814
 815         BT_DBG("-");
 816 }
 817
 818 static void __bt_fill_garray_from_variant(GVariant *var, GArray *param)
 819 {
 820         char *data;
 821         int size;
 822
 823         size = g_variant_get_size(var);
 824         if (size > 0) {
 825                 data = (char *)g_variant_get_data(var);
 826                 if (data)
 827                         param = g_array_append_vals(param, data, size);
 828
 829         }
 830 }
 831
 832
 833 /* TODO_40 : 4.0 merge  */
 834 /* Don't use this function directly. Instead of it, get the out parameter only */
 835 static void __bt_get_event_info(int service_function, GArray *output,
 836                         int *event, int *event_type, void **param_data)
 837 {
 838         ret_if(event == NULL);
 839
 840         BT_DBG("service_function : %s (0x%x)",
 841                 _bt_convert_service_function_to_string(service_function),
 842                 service_function);
 843         switch (service_function) {
 844         case BT_RFCOMM_CLIENT_CONNECT:
 845                 *event_type = BT_RFCOMM_CLIENT_EVENT;
 846                 *event = BLUETOOTH_EVENT_RFCOMM_CONNECTED;
 847                 ret_if(output == NULL);
 848                 *param_data = &g_array_index(output,
 849                                 bluetooth_rfcomm_connection_t, 0);
 850                 break;
 851         default:
 852                 BT_ERR("Unknown function");
 853                 return;
 854         }
 855 }
 856
 857
 858 static void __async_req_cb_with_unix_fd_list(GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
 859 {
 860         int result = BLUETOOTH_ERROR_NONE;
 861         int event_type = BT_ADAPTER_EVENT;
 862         bt_req_info_t *cb_data = user_data;
 863         bluetooth_event_param_t bt_event;
 864
 865         GError *error = NULL;
 866         GVariant *value;
 867         GVariant *param1;
 868         GArray *out_param1 = NULL;
 869         GUnixFDList *out_fd_list = NULL;
 870
 871         BT_DBG("+");
 872
 873         memset(&bt_event, 0x00, sizeof(bluetooth_event_param_t));
 874
 875         value = g_dbus_proxy_call_with_unix_fd_list_finish(proxy, &out_fd_list, res, &error);
 876         if (value == NULL) {
 877                 if (error) {
 878                         /* dBUS gives error cause */
 879                         BT_ERR("D-Bus API failure: message[%s]",
 880                                         error->message);
 881                         g_clear_error(&error);
 882                 }
 883                 result = BLUETOOTH_ERROR_TIMEOUT;
 884
 885                 ret_if(cb_data == NULL);
 886
 887                 __bt_get_event_info(cb_data->service_function, NULL,
 888                                 &bt_event.event, &event_type,
 889                                 &bt_event.param_data);
 890                 goto failed;
 891         }
 892
 893         g_variant_get(value, "(iv)", &result, &param1);
 894         g_variant_unref(value);
 895
 896         if (param1) {
 897                 out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
 898                 __bt_fill_garray_from_variant(param1, out_param1);
 899                 g_variant_unref(param1);
 900         }
 901
 902         if (!cb_data)
 903                 goto done;
 904
 905         __bt_get_event_info(cb_data->service_function, out_param1,
 906                         &bt_event.event, &event_type,
 907                         &bt_event.param_data);
 908
 909         if (result == BLUETOOTH_ERROR_NONE && out_param1) {
 910                 if (BT_RFCOMM_CLIENT_CONNECT == cb_data->service_function) {
 911                         int *fd_list_array;
 912                         int len = 0;
 913                         bluetooth_rfcomm_connection_t *conn_info;
 914
 915                         conn_info = (bluetooth_rfcomm_connection_t *)bt_event.param_data;
 916                         if (!out_fd_list) {
 917                                 BT_ERR("out_fd_list is NULL");
 918                                 goto failed;
 919                         }
 920
 921                         fd_list_array = g_unix_fd_list_steal_fds(out_fd_list, &len);
 922                         BT_INFO("Num fds in fd_list is : %d, fd_list[0]: %d", len, fd_list_array[0]);
 923                         conn_info->socket_fd = fd_list_array[0];
 924
 925                         BT_DBG("conn_info->socket_fd: %d", conn_info->socket_fd);
 926                         __bt_rfcomm_handle_new_client_connection(conn_info);
 927
 928                         if (cb_data->cb != NULL) {
 929                                 /* Send client connected event */
 930                                 bt_event.result = result;
 931                                 BT_INFO("event_type[%d], result=[%d]", event_type, result);
 932                                 ((bluetooth_cb_func_ptr)cb_data->cb)(
 933                                         bt_event.event, &bt_event, cb_data->user_data);
 934                         }
 935
 936                         g_free(fd_list_array);
 937                         g_object_unref(out_fd_list);
 938                 }
 939                 goto done;
 940         }
 941
 942 failed:
 943         if (cb_data->cb == NULL)
 944                 goto done;
 945
 946         /* Only if fail case, call the callback function*/
 947         bt_event.result = result;
 948
 949         BT_INFO("event_type[%d], result=[%d]", event_type, result);
 950         if (event_type == BT_RFCOMM_CLIENT_EVENT) {
 951                 ((bluetooth_cb_func_ptr)cb_data->cb)(bt_event.event,
 952                         &bt_event, cb_data->user_data);
 953         } else {
 954                 BT_INFO("Not handled event type : %d", event_type);
 955         }
 956 done:
 957         if (out_param1)
 958                 g_array_free(out_param1, TRUE);
 959
 960         g_free(cb_data);
 961         BT_DBG("-");
 962 }
 963 #endif
 964
 965 BT_EXPORT_API int bluetooth_rfcomm_connect(
 966                 const bluetooth_device_address_t *remote_bt_address,
 967                 const char *remote_uuid)
 968 {
 969
 970 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 971         rfcomm_cb_data_t *cb_data = NULL;
 972         rfcomm_conn_info_t *conn = NULL;
 973 #else
 974         int result;
 975         int connect_type;
 976         bt_user_info_t *user_info;
 977         char uuid[BLUETOOTH_UUID_STRING_MAX];
 978 #endif
 979         BT_CHECK_PARAMETER(remote_bt_address, return);
 980         BT_CHECK_PARAMETER(remote_uuid, return);
 981         BT_CHECK_ENABLED(return);
 982
 983 #ifdef TIZEN_FEATURE_BT_DPM
 984         if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_bt_address) == BT_DPM_RESTRICTED) {
 985                 BT_ERR("Blacklist device");
 986                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 987         }
 988
 989         if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
 990                 _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
 991                 BT_ERR("Not allow to connect the RFCOMM service");
 992                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 993         }
 994
 995         if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
 996                 char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 997                 bluetooth_device_class_t dev_class;
 998
 999                 _bt_convert_addr_type_to_string(address, (unsigned char *)remote_bt_address->addr);
1000                 _bt_get_cod_by_address(address, &dev_class);
1001
1002                 if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
1003                         BT_ERR("Reject a authorization due to MDM Policy");
1004                         return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
1005                 }
1006         }
1007 #endif
1008
1009 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1010         BT_INFO_C("### Connect RFCOMM");
1011         int ret;
1012         int id, object_id;
1013         char *path;
1014
1015         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_CLIENT_CONNECT)
1016              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1017                 BT_ERR("Don't have a privilege to use this API");
1018                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1019         }
1020
1021         id = __rfcomm_assign_id();
1022         if (id < 0)
1023                 return BLUETOOTH_ERROR_INTERNAL;
1024
1025         cb_data = __find_rfcomm_info_from_uuid(remote_uuid);
1026         if (!cb_data) {
1027                 path = g_strdup_printf("/org/socket/client/%d/%d", getpid(), id);
1028
1029                 object_id = _bt_register_new_conn(path, new_connection);
1030                 if (object_id < 0) {
1031                         __rfcomm_delete_id(id);
1032                         g_free(path);
1033                         return BLUETOOTH_ERROR_INTERNAL;
1034                 }
1035
1036                 cb_data = g_new0(rfcomm_cb_data_t, 1);
1037                 g_strlcpy(cb_data->uuid, remote_uuid, BLUETOOTH_UUID_STRING_MAX);
1038                 cb_data->obj_path = path;
1039                 cb_data->object_id = object_id;
1040                 cb_data->id = id;
1041         }
1042
1043         conn = g_new0(rfcomm_conn_info_t, 1);
1044         conn->fd = -1;
1045         _bt_convert_addr_type_to_string(conn->bt_addr,
1046                                 (unsigned char *)remote_bt_address->addr);
1047
1048         BT_DBG("Connecting to %s uuid %s", conn->bt_addr, remote_uuid);
1049         cb_data->rfcomm_conns = g_slist_append(cb_data->rfcomm_conns, conn);
1050
1051         ret = _bt_discover_services(conn->bt_addr, (char *)remote_uuid,
1052                                 __bt_discover_service_response_cb, cb_data);
1053         if (ret != BLUETOOTH_ERROR_NONE) {
1054                 BT_ERR("Error returned while service discovery");
1055                 __rfcomm_remove_conn_info_t(cb_data, conn->bt_addr);
1056                 if (cb_data->rfcomm_conns == NULL)
1057                         rfcomm_cb_data_remove(cb_data);
1058                 return BLUETOOTH_ERROR_INTERNAL;
1059         }
1060
1061         if (g_slist_find(rfcomm_clients, cb_data) == NULL) {
1062                 BT_INFO("Adding callback information to rfcomm_clients");
1063                 rfcomm_clients = g_slist_append(rfcomm_clients, cb_data);
1064         } else
1065                 BT_INFO("Callback information is already added");
1066
1067         return BLUETOOTH_ERROR_NONE;
1068 #else
1069         user_info = _bt_get_user_data(BT_COMMON);
1070         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
1071
1072         /* connect_type:  BT_RFCOMM_UUID / BT_RFCOMM_CHANNEL*/
1073         /* In now, we only support to connecty using UUID */
1074         connect_type = BT_RFCOMM_UUID;
1075
1076         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_CLIENT_CONNECT)
1077              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1078                 BT_ERR("Don't have a privilege to use this API");
1079                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1080         }
1081
1082         BT_INIT_PARAMS();
1083         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1084
1085         g_array_append_vals(in_param1, remote_bt_address,
1086                                 sizeof(bluetooth_device_address_t));
1087
1088         g_strlcpy(uuid, remote_uuid, sizeof(uuid));
1089         g_array_append_vals(in_param2, uuid, BLUETOOTH_UUID_STRING_MAX);
1090
1091         g_array_append_vals(in_param3, &connect_type, sizeof(int));
1092
1093         result = _bt_send_request_async_with_unix_fd_list(BT_BLUEZ_SERVICE,
1094                                 BT_RFCOMM_CLIENT_CONNECT,
1095                                 in_param1, in_param2,
1096                                 in_param3, in_param4,
1097                                 user_info->cb, user_info->user_data,
1098                                 NULL, (GAsyncReadyCallback)__async_req_cb_with_unix_fd_list);
1099
1100         BT_DBG("result: %x", result);
1101
1102         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1103
1104         return result;
1105 #endif
1106 }
1107
1108 BT_EXPORT_API int bluetooth_rfcomm_client_is_connected(const bluetooth_device_address_t *device_address, gboolean *connected)
1109 {
1110 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1111         GSList *l;
1112         GSList *conn_list = NULL;
1113         rfcomm_cb_data_t *client_info;
1114         rfcomm_conn_info_t *conn_info;
1115         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1116
1117         BT_CHECK_PARAMETER(device_address, return);
1118         BT_CHECK_PARAMETER(connected, return);
1119
1120         _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
1121         *connected = FALSE;
1122
1123         for (l = rfcomm_clients; l != NULL; l = l->next) {
1124                 client_info = l->data;
1125                 if (client_info == NULL)
1126                         continue;
1127                 for (conn_list = client_info->rfcomm_conns;
1128                         conn_list != NULL; conn_list = conn_list->next) {
1129                         conn_info = conn_list->data;
1130                         if (conn_info == NULL)
1131                                 continue;
1132
1133                         if (g_strcmp0(address, conn_info->bt_addr) == 0) {
1134                                 *connected = TRUE;
1135                                 return BLUETOOTH_ERROR_NONE;
1136                         }
1137                 }
1138         }
1139
1140         return BLUETOOTH_ERROR_NONE;
1141 #else
1142         GSList *l;
1143         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1144
1145         BT_CHECK_PARAMETER(device_address, return);
1146         BT_CHECK_PARAMETER(connected, return);
1147
1148         BT_DBG("+");
1149
1150         *connected = FALSE;
1151         _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
1152         BT_INFO("Client address: [%s]", address);
1153
1154         for (l = rfcomm_clients; l != NULL; l = l->next) {
1155                 rfcomm_client_conn_info_t *info = l->data;
1156
1157                 if (info && !strncasecmp(info->remote_addr, address, BT_ADDRESS_STRING_SIZE)) {
1158                         BT_INFO("Match found");
1159                         *connected = TRUE;
1160                         return BLUETOOTH_ERROR_NONE;
1161                 }
1162         }
1163
1164         BT_DBG("-");
1165         return BLUETOOTH_ERROR_NONE;
1166 #endif
1167 }
1168
1169 BT_EXPORT_API gboolean bluetooth_rfcomm_is_client_connected(void)
1170 {
1171         int result;
1172         int connected = FALSE;
1173
1174         BT_CHECK_ENABLED(return);
1175
1176         BT_INIT_PARAMS();
1177         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1178
1179         result = _bt_send_request(BT_BLUEZ_SERVICE,
1180                         BT_RFCOMM_CLIENT_IS_CONNECTED,
1181                         in_param1, in_param2, in_param3,
1182                         in_param4, &out_param);
1183
1184         BT_DBG("result: %x", result);
1185
1186         if (result == BLUETOOTH_ERROR_NONE) {
1187                 connected = g_array_index(out_param,
1188                                 int, 0);
1189         } else {
1190                 BT_ERR("Fail to send request");
1191         }
1192
1193         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1194
1195         return connected;
1196 }
1197
1198 BT_EXPORT_API int bluetooth_rfcomm_disconnect(int socket_fd)
1199 {
1200 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1201         rfcomm_cb_data_t *info;
1202         rfcomm_conn_info_t *conn_info;
1203
1204         BT_INFO_C("### Disconnect RFCOMM");
1205
1206         BT_CHECK_ENABLED(return);
1207
1208         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_DISCONNECT)
1209              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1210                 BT_ERR("Don't have a privilege to use this API");
1211                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1212         }
1213
1214         BT_DBG("Requested FD %d", socket_fd);
1215         if (socket_fd < 0) {
1216                 BT_ERR("Invalid FD");
1217                 return BLUETOOTH_ERROR_INVALID_PARAM;
1218         }
1219         BT_DBG("FDD %d", socket_fd);
1220
1221         info = __find_rfcomm_info_with_fd(socket_fd);
1222         if (info == NULL) {
1223                 BT_DBG("Could not find in client, so check in server");
1224                 return bluetooth_rfcomm_server_disconnect(socket_fd);
1225         }
1226
1227         conn_info = __get_conn_info_from_fd(info, socket_fd);
1228         if (conn_info == NULL) {
1229                 BT_ERR("Could not find connection info");
1230                 return BLUETOOTH_ERROR_INTERNAL;
1231         }
1232
1233         if (conn_info->watch_id == 0 || conn_info->disconnected) {
1234                 BT_ERR("Invalid state");
1235                 return BLUETOOTH_ERROR_NOT_CONNECTED;
1236         }
1237
1238         close(conn_info->fd);
1239         conn_info->disconnected = TRUE;
1240
1241         BT_INFO("conn_info %s", conn_info->bt_addr);
1242         _bt_disconnect_ext_profile(conn_info->bt_addr, info->obj_path);
1243
1244         if (info->idle_id == 0)
1245                 info->idle_id = g_idle_add(__rfcomm_client_disconnect, info);
1246
1247         return BLUETOOTH_ERROR_NONE;
1248 #else
1249         rfcomm_client_conn_info_t *conn_info;
1250
1251         BT_INFO_C("<<<<<<<<< RFCOMM Disconnect request from app >>>>>>>>");
1252
1253         BT_CHECK_ENABLED(return);
1254         retv_if(socket_fd < 0, BLUETOOTH_ERROR_INVALID_PARAM);
1255
1256         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_DISCONNECT)
1257                         == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1258                 BT_ERR("Don't have a privilege to use this API");
1259                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1260         }
1261
1262         BT_DBG("FD %d", socket_fd);
1263
1264         conn_info = __find_rfcomm_conn_info_with_fd(socket_fd);
1265         if (conn_info == NULL) {
1266                 BT_DBG("Could not find in client, so check in server");
1267                 /* Check for fd in server list and perform the disconnection if present */
1268                 return bluetooth_rfcomm_server_disconnect(socket_fd);
1269         }
1270
1271         if (conn_info->watch_id <= 0) {
1272                 BT_ERR("Invalid state");
1273                 return BLUETOOTH_ERROR_NOT_CONNECTED;
1274         }
1275
1276         /*
1277          * Just close socket here and return. Socket close will be detected via I/O watch
1278          * and disconnection event as well as info cleanup will be performed there.
1279          */
1280         close(conn_info->sock_fd);
1281
1282         return BLUETOOTH_ERROR_NONE;
1283 #endif
1284 }
1285
1286 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1287 #else
1288 static int __write_all(int fd, const char *buf, int len)
1289 {
1290         int sent = 0, try = 0;
1291
1292         BT_DBG("+");
1293         while (len > 0) {
1294                 int written;
1295
1296                 written = write(fd, buf, len);
1297                 BT_DBG("written: %d", written);
1298                 if (written < 0) {
1299                         if (errno == EINTR || errno == EAGAIN) {
1300                                 try++;
1301                                 if (try <= 49)
1302                                         continue;
1303                         }
1304                         return -1;
1305                 }
1306
1307                 if (!written)
1308                         return 0;
1309
1310                 len -= written;
1311                 buf += written;
1312                 sent += written;
1313                 try = 0;
1314         }
1315
1316         BT_DBG("-");
1317         return sent;
1318 }
1319 #endif
1320
1321 BT_EXPORT_API int bluetooth_rfcomm_write(int fd, const char *buf, int length)
1322 {
1323 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1324         int written;
1325 #endif
1326         int result;
1327
1328 #ifndef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1329         BT_CHECK_ENABLED(return);
1330 #endif
1331         BT_CHECK_PARAMETER(buf, return);
1332         if (fd < 0) {
1333                 BT_ERR("Invalid FD");
1334                 return BLUETOOTH_ERROR_INVALID_PARAM;
1335         }
1336
1337         BT_DBG("FD : %d", fd);
1338
1339         retv_if(length <= 0, BLUETOOTH_ERROR_INVALID_PARAM);
1340
1341         switch (privilege_token) {
1342         case 0:
1343                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_WRITE);
1344
1345                 if (result == BLUETOOTH_ERROR_NONE) {
1346                         privilege_token = 1; /* Have a permission */
1347                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1348                         BT_ERR("Don't have a privilege to use this API");
1349                         privilege_token = -1; /* Don't have a permission */
1350                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
1351                 } else {
1352                         /* Just break - It is not related with permission error */
1353                 }
1354                 break;
1355         case 1:
1356                 /* Already have a privilege */
1357                 break;
1358         case -1:
1359                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1360         default:
1361                 /* Invalid privilge token value */
1362                 return BLUETOOTH_ERROR_INTERNAL;
1363         }
1364
1365 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1366         written = write(fd, buf, length);
1367         /*BT_DBG("Length %d, written = %d, balance(%d)",
1368                         length, written, length - written); */
1369         return written;
1370 #else
1371         result = __write_all(fd, buf, length);
1372         return result;
1373 #endif
1374 }