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         if (bluetooth_get_battery_monitor_state()) {
 395                 int ret = _bt_common_send_rfcomm_rx_details(&data_r);
 396                 if (ret != BLUETOOTH_ERROR_NONE)
 397                         BT_ERR("RFCOMM received data details not sent to battery monitor frwk");
 398         }
 399
 400         g_free(buffer);
 401         BT_DBG("-");
 402         return TRUE;
 403 }
 404
 405 static void __client_connected_cb(rfcomm_cb_data_t *cb_data, char *dev_address,
 406         int result)
 407 {
 408         bluetooth_rfcomm_connection_t conn_info;
 409         bt_event_info_t *event_info;
 410         rfcomm_conn_info_t *conn_list_info = NULL;
 411
 412         if (result == BLUETOOTH_ERROR_NONE)
 413                 BT_INFO_C("### Connected [RFCOMM Client]");
 414
 415         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 416         if (event_info == NULL)
 417                 return;
 418
 419         memset(&conn_info, 0x00, sizeof(bluetooth_rfcomm_connection_t));
 420         conn_info.device_role = RFCOMM_ROLE_CLIENT;
 421         g_strlcpy(conn_info.uuid, cb_data->uuid, BLUETOOTH_UUID_STRING_MAX);
 422         _bt_convert_addr_string_to_type(conn_info.device_addr.addr,
 423                         dev_address);
 424         conn_list_info = __get_conn_info_from_address(cb_data, dev_address);
 425         if (conn_list_info == NULL) {
 426                 BT_ERR("Device addres %s not found in connection list", dev_address);
 427                 return;
 428         }
 429         conn_info.socket_fd = conn_list_info->fd;
 430         conn_info.server_id = -1;
 431
 432         BT_DBG("Connection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 433                         result, conn_list_info->bt_addr, cb_data->uuid, conn_list_info->fd);
 434         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_CONNECTED,
 435                         result, &conn_info,
 436                         event_info->cb, event_info->user_data);
 437         BT_DBG("-");
 438 }
 439
 440 void _bt_rfcomm_client_disconnect_all(void)
 441 {
 442         GSList *client;
 443         GSList *conn;
 444
 445         BT_INFO_C("### Disconnect all RFCOMM client connections");
 446
 447         for (client = rfcomm_clients; client; ) {
 448                 rfcomm_cb_data_t *info = client->data;
 449
 450                 for (conn = info->rfcomm_conns; conn; conn = conn->next) {
 451                         rfcomm_conn_info_t *conn_info = conn->data;
 452
 453                         if (conn_info == NULL)
 454                                 continue;
 455
 456                         if (conn_info->watch_id == 0 || conn_info->disconnected)
 457                                 continue;
 458
 459                         close(conn_info->fd);
 460                         conn_info->disconnected = TRUE;
 461
 462                         _bt_disconnect_ext_profile(conn_info->bt_addr,
 463                                                    info->obj_path);
 464                 }
 465
 466                 client = client->next;
 467                 __rfcomm_client_disconnect(info);
 468         }
 469
 470         return;
 471 }
 472
 473 int new_connection(const char *path, int fd, bluetooth_device_address_t *addr)
 474 {
 475         rfcomm_cb_data_t *info;
 476         GIOChannel *data_io;
 477         rfcomm_conn_info_t *conn_info = NULL;
 478         char address[BT_ADDRESS_STRING_SIZE];
 479
 480         BT_INFO("%s %d", path, fd);
 481
 482         _bt_convert_addr_type_to_string(address,
 483                                 (unsigned char *)addr);
 484
 485         info = __find_rfcomm_info_from_path(path);
 486         if (info == NULL) {
 487                 BT_ERR("rfcomm info is NULL");
 488                 return -1;
 489         }
 490
 491         conn_info = __get_conn_info_from_address(info, address);
 492         if (conn_info == NULL) {
 493                 BT_ERR("connection info is NULL");
 494                 return -1;
 495         }
 496
 497         conn_info->fd = fd;
 498
 499         data_io = g_io_channel_unix_new(fd);
 500
 501         g_io_channel_set_encoding(data_io, NULL, NULL);
 502         g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
 503
 504         conn_info->watch_id = g_io_add_watch(data_io,
 505                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 506                                 __client_data_received_cb, info);
 507
 508         g_io_channel_unref(data_io);
 509
 510         __client_connected_cb(info, address, BLUETOOTH_ERROR_NONE);
 511
 512         return 0;
 513 }
 514
 515 static void __bt_connect_response_cb(GDBusProxy *proxy, GAsyncResult *res,
 516                                                         gpointer user_data)
 517
 518 {
 519         GError *error = NULL;
 520         GVariant *value;
 521         rfcomm_cb_data_t *cb_data;
 522         char dev_address[BT_ADDRESS_STRING_SIZE];
 523         const char *path;
 524         BT_DBG("+");
 525
 526         ret_if(user_data == NULL);
 527
 528         cb_data = user_data;
 529
 530         value = g_dbus_proxy_call_finish(proxy, res, &error);
 531         if (value == NULL) {
 532                 int result;
 533                 g_dbus_error_strip_remote_error(error);
 534                 BT_ERR("Error : %s \n", error->message);
 535
 536                 if (g_strcmp0(error->message, "In Progress") == 0)
 537                         result = BLUETOOTH_ERROR_DEVICE_BUSY;
 538                 else
 539                         result = BLUETOOTH_ERROR_INTERNAL;
 540                 path = g_dbus_proxy_get_object_path(proxy);
 541                 _bt_convert_device_path_to_address(path, dev_address);
 542                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 543
 544                 g_error_free(error);
 545         } else {
 546                 g_variant_unref(value);
 547         }
 548
 549         if (proxy)
 550                 g_object_unref(proxy);
 551
 552         BT_DBG("-");
 553 }
 554
 555 static void __bt_discover_service_response_cb(GDBusProxy *proxy,
 556                                 GAsyncResult *res, gpointer user_data)
 557 {
 558         rfcomm_cb_data_t *cb_data;
 559         int ret = 0;
 560         GError *err = NULL;
 561         GVariant *value;
 562         bt_register_profile_info_t info = {0};
 563         int result = BLUETOOTH_ERROR_NONE;
 564         char dev_address[BT_ADDRESS_STRING_SIZE];
 565         const char *path;
 566
 567         BT_DBG("+");
 568
 569         ret_if(user_data == NULL);
 570
 571         cb_data = user_data;
 572
 573         path = g_dbus_proxy_get_object_path(proxy);
 574
 575         _bt_convert_device_path_to_address(path, dev_address);
 576         BT_DBG("Device Adress [%s]", dev_address);
 577         value = g_dbus_proxy_call_finish(proxy, res, &err);
 578         if (proxy)
 579                 g_object_unref(proxy);
 580         if (value)
 581                 g_variant_unref(value);
 582
 583         if (err != NULL) {
 584                 g_dbus_error_strip_remote_error(err);
 585                 BT_ERR("Error occured in Proxy call [%s]\n", err->message);
 586                 if (!strcmp("Operation canceled", err->message)) {
 587                         result = BLUETOOTH_ERROR_CANCEL_BY_USER;
 588                 } else if (!strcmp("In Progress", err->message)) {
 589                         result = BLUETOOTH_ERROR_IN_PROGRESS;
 590                 } else if (!strcmp("Host is down", err->message)) {
 591                         result = BLUETOOTH_ERROR_HOST_DOWN;
 592                 } else if (!strcmp(BT_TIMEOUT_MESSAGE, err->message)) {
 593                         result = BLUETOOTH_ERROR_SERVICE_SEARCH_ERROR;
 594                         ret = _bt_cancel_discovers(dev_address);
 595                         if (ret != BLUETOOTH_ERROR_NONE)
 596                                 BT_ERR("Error: While CancelDiscovery");
 597                 } else {
 598                         result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 599                 }
 600                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 601                 goto done;
 602         } else {
 603                 BT_INFO("Services are Updated checking required uuid is there");
 604                 /* Check here for uuid present */
 605                 ret = _bt_discover_service_uuids(dev_address, (char *)cb_data->uuid);
 606                 if (ret == BLUETOOTH_ERROR_NONE) {
 607                         info.uuid = (char *)cb_data->uuid;
 608                         info.obj_path = cb_data->obj_path;
 609                         info.role = "client";
 610
 611                         ret = _bt_register_profile(&info, FALSE);
 612                         if (ret < 0)
 613                                 BT_DBG("Error: register profile");
 614                         ret = _bt_connect_profile(dev_address, cb_data->uuid,
 615                                                 __bt_connect_response_cb, cb_data);
 616
 617                         if (ret != BLUETOOTH_ERROR_NONE) {
 618                                 BT_ERR("ConnectProfile failed");
 619                                 result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 620                                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 621                                 goto done;
 622                         }
 623                 } else {
 624                         BT_ERR("remote uuid not found");
 625                         result = BLUETOOTH_ERROR_SERVICE_NOT_FOUND;
 626                         __rfcomm_client_connected_cb(cb_data, dev_address, result);
 627                 }
 628         }
 629 done:
 630         if (err)
 631                 g_clear_error(&err);
 632 }
 633 #else
 634 GSList *rfcomm_clients;
 635
 636 typedef struct {
 637         char *uuid;
 638         char *remote_addr;
 639         int sock_fd;
 640         int watch_id;
 641 } rfcomm_client_conn_info_t;
 642
 643 static gboolean __is_error_by_disconnect(GError *err)
 644 {
 645         return !g_strcmp0(err->message, "Connection reset by peer") ||
 646                 !g_strcmp0(err->message, "Connection timed out") ||
 647                 !g_strcmp0(err->message, "Software caused connection abort");
 648 }
 649
 650 static rfcomm_client_conn_info_t *__find_rfcomm_conn_info_with_fd(int fd)
 651 {
 652         GSList *l;
 653
 654         BT_DBG("+");
 655
 656         for (l = rfcomm_clients; l != NULL; l = l->next) {
 657                 rfcomm_client_conn_info_t *info = l->data;
 658
 659                 if (info && info->sock_fd == fd) {
 660                         BT_INFO("Match found");
 661                         return info;
 662                 }
 663         }
 664
 665         BT_DBG("-");
 666         return NULL;
 667 }
 668
 669 static void __rfcomm_remove_client_conn_info_t(rfcomm_client_conn_info_t *info)
 670 {
 671         ret_if(info == NULL);
 672
 673         rfcomm_clients = g_slist_remove(rfcomm_clients, info);
 674         g_free(info->uuid);
 675         g_free(info->remote_addr);
 676 }
 677
 678 static void __bt_rfcomm_client_disconnected(rfcomm_client_conn_info_t *conn_info)
 679 {
 680
 681         bluetooth_rfcomm_disconnection_t disconn_info;
 682         bt_event_info_t *event_info = NULL;
 683
 684         ret_if(conn_info == NULL);
 685
 686         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 687         ret_if(event_info == NULL);
 688
 689         memset(&disconn_info, 0x00, sizeof(bluetooth_rfcomm_disconnection_t));
 690         disconn_info.device_role = RFCOMM_ROLE_CLIENT;
 691         disconn_info.socket_fd = conn_info->sock_fd;
 692         g_strlcpy(disconn_info.uuid, conn_info->uuid, BLUETOOTH_UUID_STRING_MAX);
 693         _bt_convert_addr_string_to_type(disconn_info.device_addr.addr,
 694                         conn_info->remote_addr);
 695
 696         BT_DBG("Disconnection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 697                         BLUETOOTH_ERROR_NONE, conn_info->remote_addr,
 698                         conn_info->uuid, conn_info->sock_fd);
 699         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DISCONNECTED,
 700                         BLUETOOTH_ERROR_NONE, &disconn_info,
 701                         event_info->cb, event_info->user_data);
 702
 703         BT_DBG("-");
 704 }
 705
 706 static gboolean __client_data_received_cb(GIOChannel *chan, GIOCondition cond, gpointer data)
 707 {
 708         bt_event_info_t *event_info;
 709         bluetooth_rfcomm_received_data_t data_r;
 710         rfcomm_client_conn_info_t *conn_info;
 711
 712         int fd;
 713         gsize len = 0;
 714         char *buffer;
 715         GError *err = NULL;
 716         GIOStatus status = G_IO_STATUS_NORMAL;
 717
 718         BT_DBG("+");
 719
 720         fd = g_io_channel_unix_get_fd(chan);
 721         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 722                 BT_ERR_C("RFComm Client  disconnected: %d", fd);
 723                 goto fail;
 724         }
 725
 726         buffer = g_malloc0(BT_RFCOMM_BUFFER_LEN + 1);
 727         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 728                         &len, &err);
 729         if (status != G_IO_STATUS_NORMAL) {
 730                 BT_ERR("IO Channel read is failed with %d", status);
 731                 g_free(buffer);
 732                 if (err) {
 733                         BT_ERR("IO Channel read error [%s]", err->message);
 734                         if (status == G_IO_STATUS_ERROR &&
 735                                         __is_error_by_disconnect(err)) {
 736                                 BT_ERR("cond : %d", cond);
 737                                 g_error_free(err);
 738                                 goto fail;
 739                         }
 740                         g_error_free(err);
 741                 }
 742
 743                 return TRUE;
 744         }
 745
 746         if (len == 0) {
 747                 BT_ERR("Length is zero, remote end hang up");
 748                 goto fail;
 749         }
 750
 751         BT_DBG("fd: %d, len: %d, buffer: %s", fd, len, buffer);
 752
 753         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 754         if (event_info == NULL) {
 755                 BT_INFO("event_info == NULL");
 756                 g_free(buffer);
 757                 return TRUE;
 758         }
 759
 760         data_r.socket_fd = fd;
 761         data_r.buffer_size = len;
 762         data_r.buffer = buffer;
 763
 764         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED,
 765                         BLUETOOTH_ERROR_NONE, &data_r,
 766                         event_info->cb, event_info->user_data);
 767
 768         g_free(buffer);
 769         return TRUE;
 770
 771 fail:
 772         conn_info = __find_rfcomm_conn_info_with_fd(fd);
 773         if (conn_info) {
 774                 __bt_rfcomm_client_disconnected(conn_info);
 775                 __rfcomm_remove_client_conn_info_t(conn_info);
 776         } else {
 777                 BT_ERR("RFCOMM client conn_info not found");
 778         }
 779         return FALSE;
 780 }
 781
 782 static void __rfcomm_client_connection_create_watch(rfcomm_client_conn_info_t *conn_info)
 783 {
 784         GIOChannel *data_io;
 785
 786         ret_if(NULL == conn_info);
 787
 788         BT_DBG("+");
 789
 790         data_io = g_io_channel_unix_new(conn_info->sock_fd);
 791         g_io_channel_set_encoding(data_io, NULL, NULL);
 792         g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
 793         conn_info->watch_id = g_io_add_watch(data_io,
 794                         G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 795                         __client_data_received_cb, NULL);
 796         g_io_channel_unref(data_io);
 797
 798         BT_DBG("-");
 799 }
 800
 801 static void __bt_rfcomm_handle_new_client_connection(bluetooth_rfcomm_connection_t *info)
 802 {
 803         rfcomm_client_conn_info_t *conn_info;
 804
 805         ret_if(NULL == info);
 806
 807         BT_DBG("+");
 808
 809         conn_info = g_malloc0(sizeof(rfcomm_client_conn_info_t));
 810         conn_info->remote_addr = g_malloc0(BT_ADDRESS_STRING_SIZE);
 811         _bt_convert_addr_type_to_string(
 812                         conn_info->remote_addr, info->device_addr.addr);
 813         conn_info->uuid = g_strdup(info->uuid);
 814         conn_info->sock_fd = info->socket_fd;
 815
 816         BT_DBG("Address:%s, UUID:%s Socket: %d",
 817                         conn_info->remote_addr, conn_info->uuid, conn_info->sock_fd);
 818
 819         rfcomm_clients = g_slist_append(rfcomm_clients, conn_info);
 820         __rfcomm_client_connection_create_watch(conn_info);
 821
 822         BT_DBG("-");
 823 }
 824
 825 static void __bt_fill_garray_from_variant(GVariant *var, GArray *param)
 826 {
 827         char *data;
 828         int size;
 829
 830         size = g_variant_get_size(var);
 831         if (size > 0) {
 832                 data = (char *)g_variant_get_data(var);
 833                 if (data)
 834                         param = g_array_append_vals(param, data, size);
 835
 836         }
 837 }
 838
 839
 840 /* TODO_40 : 4.0 merge  */
 841 /* Don't use this function directly. Instead of it, get the out parameter only */
 842 static void __bt_get_event_info(int service_function, GArray *output,
 843                         int *event, int *event_type, void **param_data)
 844 {
 845         ret_if(event == NULL);
 846
 847         BT_DBG("service_function : %s (0x%x)",
 848                 _bt_convert_service_function_to_string(service_function),
 849                 service_function);
 850         switch (service_function) {
 851         case BT_RFCOMM_CLIENT_CONNECT:
 852                 *event_type = BT_RFCOMM_CLIENT_EVENT;
 853                 *event = BLUETOOTH_EVENT_RFCOMM_CONNECTED;
 854                 ret_if(output == NULL);
 855                 *param_data = &g_array_index(output,
 856                                 bluetooth_rfcomm_connection_t, 0);
 857                 break;
 858         default:
 859                 BT_ERR("Unknown function");
 860                 return;
 861         }
 862 }
 863
 864
 865 static void __async_req_cb_with_unix_fd_list(GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
 866 {
 867         int result = BLUETOOTH_ERROR_NONE;
 868         int event_type = BT_ADAPTER_EVENT;
 869         bt_req_info_t *cb_data = user_data;
 870         bluetooth_event_param_t bt_event;
 871
 872         GError *error = NULL;
 873         GVariant *value;
 874         GVariant *param1;
 875         GArray *out_param1 = NULL;
 876         GUnixFDList *out_fd_list = NULL;
 877
 878         BT_DBG("+");
 879
 880         memset(&bt_event, 0x00, sizeof(bluetooth_event_param_t));
 881
 882         value = g_dbus_proxy_call_with_unix_fd_list_finish(proxy, &out_fd_list, res, &error);
 883         if (value == NULL) {
 884                 if (error) {
 885                         /* dBUS gives error cause */
 886                         BT_ERR("D-Bus API failure: message[%s]",
 887                                         error->message);
 888                         g_clear_error(&error);
 889                 }
 890                 result = BLUETOOTH_ERROR_TIMEOUT;
 891
 892                 ret_if(cb_data == NULL);
 893
 894                 __bt_get_event_info(cb_data->service_function, NULL,
 895                                 &bt_event.event, &event_type,
 896                                 &bt_event.param_data);
 897                 goto failed;
 898         }
 899
 900         g_variant_get(value, "(iv)", &result, &param1);
 901         g_variant_unref(value);
 902
 903         if (param1) {
 904                 out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
 905                 __bt_fill_garray_from_variant(param1, out_param1);
 906                 g_variant_unref(param1);
 907         }
 908
 909         if (!cb_data)
 910                 goto done;
 911
 912         __bt_get_event_info(cb_data->service_function, out_param1,
 913                         &bt_event.event, &event_type,
 914                         &bt_event.param_data);
 915
 916         if (result == BLUETOOTH_ERROR_NONE && out_param1) {
 917                 if (BT_RFCOMM_CLIENT_CONNECT == cb_data->service_function) {
 918                         int *fd_list_array;
 919                         int len = 0;
 920                         bluetooth_rfcomm_connection_t *conn_info;
 921
 922                         conn_info = (bluetooth_rfcomm_connection_t *)bt_event.param_data;
 923                         if (!out_fd_list) {
 924                                 BT_ERR("out_fd_list is NULL");
 925                                 goto failed;
 926                         }
 927
 928                         fd_list_array = g_unix_fd_list_steal_fds(out_fd_list, &len);
 929                         BT_INFO("Num fds in fd_list is : %d, fd_list[0]: %d", len, fd_list_array[0]);
 930                         conn_info->socket_fd = fd_list_array[0];
 931
 932                         BT_DBG("conn_info->socket_fd: %d", conn_info->socket_fd);
 933                         __bt_rfcomm_handle_new_client_connection(conn_info);
 934
 935                         if (cb_data->cb != NULL) {
 936                                 /* Send client connected event */
 937                                 bt_event.result = result;
 938                                 BT_INFO("event_type[%d], result=[%d]", event_type, result);
 939                                 ((bluetooth_cb_func_ptr)cb_data->cb)(
 940                                         bt_event.event, &bt_event, cb_data->user_data);
 941                         }
 942
 943                         g_free(fd_list_array);
 944                         g_object_unref(out_fd_list);
 945                 }
 946                 goto done;
 947         }
 948
 949 failed:
 950         if (cb_data->cb == NULL)
 951                 goto done;
 952
 953         /* Only if fail case, call the callback function*/
 954         bt_event.result = result;
 955
 956         BT_INFO("event_type[%d], result=[%d]", event_type, result);
 957         if (event_type == BT_RFCOMM_CLIENT_EVENT) {
 958                 ((bluetooth_cb_func_ptr)cb_data->cb)(bt_event.event,
 959                         &bt_event, cb_data->user_data);
 960         } else {
 961                 BT_INFO("Not handled event type : %d", event_type);
 962         }
 963 done:
 964         if (out_param1)
 965                 g_array_free(out_param1, TRUE);
 966
 967         g_free(cb_data);
 968         BT_DBG("-");
 969 }
 970 #endif
 971
 972 BT_EXPORT_API int bluetooth_rfcomm_connect(
 973                 const bluetooth_device_address_t *remote_bt_address,
 974                 const char *remote_uuid)
 975 {
 976
 977 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 978         rfcomm_cb_data_t *cb_data = NULL;
 979         rfcomm_conn_info_t *conn = NULL;
 980 #else
 981         int result;
 982         int connect_type;
 983         bt_user_info_t *user_info;
 984         char uuid[BLUETOOTH_UUID_STRING_MAX];
 985 #endif
 986         BT_CHECK_PARAMETER(remote_bt_address, return);
 987         BT_CHECK_PARAMETER(remote_uuid, return);
 988         BT_CHECK_ENABLED(return);
 989
 990 #ifdef TIZEN_FEATURE_BT_DPM
 991         if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_bt_address) == BT_DPM_RESTRICTED) {
 992                 BT_ERR("Blacklist device");
 993                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 994         }
 995
 996         if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
 997                 _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
 998                 BT_ERR("Not allow to connect the RFCOMM service");
 999                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
1000         }
1001
1002         if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
1003                 char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1004                 bluetooth_device_class_t dev_class;
1005
1006                 _bt_convert_addr_type_to_string(address, (unsigned char *)remote_bt_address->addr);
1007                 _bt_get_cod_by_address(address, &dev_class);
1008
1009                 if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
1010                         BT_ERR("Reject a authorization due to MDM Policy");
1011                         return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
1012                 }
1013         }
1014 #endif
1015
1016 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1017         BT_INFO_C("### Connect RFCOMM");
1018         int ret;
1019         int id, object_id;
1020         char *path;
1021
1022         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_CLIENT_CONNECT)
1023              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1024                 BT_ERR("Don't have a privilege to use this API");
1025                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1026         }
1027
1028         id = __rfcomm_assign_id();
1029         if (id < 0)
1030                 return BLUETOOTH_ERROR_INTERNAL;
1031
1032         cb_data = __find_rfcomm_info_from_uuid(remote_uuid);
1033         if (!cb_data) {
1034                 path = g_strdup_printf("/org/socket/client/%d/%d", getpid(), id);
1035
1036                 object_id = _bt_register_new_conn(path, new_connection);
1037                 if (object_id < 0) {
1038                         __rfcomm_delete_id(id);
1039                         g_free(path);
1040                         return BLUETOOTH_ERROR_INTERNAL;
1041                 }
1042
1043                 cb_data = g_new0(rfcomm_cb_data_t, 1);
1044                 g_strlcpy(cb_data->uuid, remote_uuid, BLUETOOTH_UUID_STRING_MAX);
1045                 cb_data->obj_path = path;
1046                 cb_data->object_id = object_id;
1047                 cb_data->id = id;
1048         }
1049
1050         conn = g_new0(rfcomm_conn_info_t, 1);
1051         conn->fd = -1;
1052         _bt_convert_addr_type_to_string(conn->bt_addr,
1053                                 (unsigned char *)remote_bt_address->addr);
1054
1055         BT_DBG("Connecting to %s uuid %s", conn->bt_addr, remote_uuid);
1056         cb_data->rfcomm_conns = g_slist_append(cb_data->rfcomm_conns, conn);
1057
1058         ret = _bt_discover_services(conn->bt_addr, (char *)remote_uuid,
1059                                 __bt_discover_service_response_cb, cb_data);
1060         if (ret != BLUETOOTH_ERROR_NONE) {
1061                 BT_ERR("Error returned while service discovery");
1062                 __rfcomm_remove_conn_info_t(cb_data, conn->bt_addr);
1063                 if (cb_data->rfcomm_conns == NULL)
1064                         rfcomm_cb_data_remove(cb_data);
1065                 return BLUETOOTH_ERROR_INTERNAL;
1066         }
1067
1068         if (g_slist_find(rfcomm_clients, cb_data) == NULL) {
1069                 BT_INFO("Adding callback information to rfcomm_clients");
1070                 rfcomm_clients = g_slist_append(rfcomm_clients, cb_data);
1071         } else
1072                 BT_INFO("Callback information is already added");
1073
1074         return BLUETOOTH_ERROR_NONE;
1075 #else
1076         user_info = _bt_get_user_data(BT_COMMON);
1077         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
1078
1079         /* connect_type:  BT_RFCOMM_UUID / BT_RFCOMM_CHANNEL*/
1080         /* In now, we only support to connecty using UUID */
1081         connect_type = BT_RFCOMM_UUID;
1082
1083         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_CLIENT_CONNECT)
1084              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1085                 BT_ERR("Don't have a privilege to use this API");
1086                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1087         }
1088
1089         BT_INIT_PARAMS();
1090         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1091
1092         g_array_append_vals(in_param1, remote_bt_address,
1093                                 sizeof(bluetooth_device_address_t));
1094
1095         g_strlcpy(uuid, remote_uuid, sizeof(uuid));
1096         g_array_append_vals(in_param2, uuid, BLUETOOTH_UUID_STRING_MAX);
1097
1098         g_array_append_vals(in_param3, &connect_type, sizeof(int));
1099
1100         result = _bt_send_request_async_with_unix_fd_list(BT_BLUEZ_SERVICE,
1101                                 BT_RFCOMM_CLIENT_CONNECT,
1102                                 in_param1, in_param2,
1103                                 in_param3, in_param4,
1104                                 user_info->cb, user_info->user_data,
1105                                 NULL, (GAsyncReadyCallback)__async_req_cb_with_unix_fd_list);
1106
1107         BT_DBG("result: %x", result);
1108
1109         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1110
1111         return result;
1112 #endif
1113 }
1114
1115 BT_EXPORT_API int bluetooth_rfcomm_client_is_connected(const bluetooth_device_address_t *device_address, gboolean *connected)
1116 {
1117 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1118         GSList *l;
1119         GSList *conn_list = NULL;
1120         rfcomm_cb_data_t *client_info;
1121         rfcomm_conn_info_t *conn_info;
1122         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1123
1124         BT_CHECK_PARAMETER(device_address, return);
1125         BT_CHECK_PARAMETER(connected, return);
1126
1127         _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
1128         *connected = FALSE;
1129
1130         for (l = rfcomm_clients; l != NULL; l = l->next) {
1131                 client_info = l->data;
1132                 if (client_info == NULL)
1133                         continue;
1134                 for (conn_list = client_info->rfcomm_conns;
1135                         conn_list != NULL; conn_list = conn_list->next) {
1136                         conn_info = conn_list->data;
1137                         if (conn_info == NULL)
1138                                 continue;
1139
1140                         if (g_strcmp0(address, conn_info->bt_addr) == 0) {
1141                                 *connected = TRUE;
1142                                 return BLUETOOTH_ERROR_NONE;
1143                         }
1144                 }
1145         }
1146
1147         return BLUETOOTH_ERROR_NONE;
1148 #else
1149         GSList *l;
1150         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
1151
1152         BT_CHECK_PARAMETER(device_address, return);
1153         BT_CHECK_PARAMETER(connected, return);
1154
1155         BT_DBG("+");
1156
1157         *connected = FALSE;
1158         _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
1159         BT_INFO("Client address: [%s]", address);
1160
1161         for (l = rfcomm_clients; l != NULL; l = l->next) {
1162                 rfcomm_client_conn_info_t *info = l->data;
1163
1164                 if (info && !strncasecmp(info->remote_addr, address, BT_ADDRESS_STRING_SIZE)) {
1165                         BT_INFO("Match found");
1166                         *connected = TRUE;
1167                         return BLUETOOTH_ERROR_NONE;
1168                 }
1169         }
1170
1171         BT_DBG("-");
1172         return BLUETOOTH_ERROR_NONE;
1173 #endif
1174 }
1175
1176 BT_EXPORT_API gboolean bluetooth_rfcomm_is_client_connected(void)
1177 {
1178         int result;
1179         int connected = FALSE;
1180
1181         BT_CHECK_ENABLED(return);
1182
1183         BT_INIT_PARAMS();
1184         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1185
1186         result = _bt_send_request(BT_BLUEZ_SERVICE,
1187                         BT_RFCOMM_CLIENT_IS_CONNECTED,
1188                         in_param1, in_param2, in_param3,
1189                         in_param4, &out_param);
1190
1191         BT_DBG("result: %x", result);
1192
1193         if (result == BLUETOOTH_ERROR_NONE) {
1194                 connected = g_array_index(out_param,
1195                                 int, 0);
1196         } else {
1197                 BT_ERR("Fail to send request");
1198         }
1199
1200         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
1201
1202         return connected;
1203 }
1204
1205 BT_EXPORT_API int bluetooth_rfcomm_disconnect(int socket_fd)
1206 {
1207 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1208         rfcomm_cb_data_t *info;
1209         rfcomm_conn_info_t *conn_info;
1210
1211         BT_INFO_C("### Disconnect RFCOMM");
1212
1213         BT_CHECK_ENABLED(return);
1214
1215         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_DISCONNECT)
1216              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1217                 BT_ERR("Don't have a privilege to use this API");
1218                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1219         }
1220
1221         BT_DBG("Requested FD %d", socket_fd);
1222         if (socket_fd < 0) {
1223                 BT_ERR("Invalid FD");
1224                 return BLUETOOTH_ERROR_INVALID_PARAM;
1225         }
1226         BT_DBG("FDD %d", socket_fd);
1227
1228         info = __find_rfcomm_info_with_fd(socket_fd);
1229         if (info == NULL) {
1230                 BT_DBG("Could not find in client, so check in server");
1231                 return bluetooth_rfcomm_server_disconnect(socket_fd);
1232         }
1233
1234         conn_info = __get_conn_info_from_fd(info, socket_fd);
1235         if (conn_info == NULL) {
1236                 BT_ERR("Could not find connection info");
1237                 return BLUETOOTH_ERROR_INTERNAL;
1238         }
1239
1240         if (conn_info->watch_id == 0 || conn_info->disconnected) {
1241                 BT_ERR("Invalid state");
1242                 return BLUETOOTH_ERROR_NOT_CONNECTED;
1243         }
1244
1245         close(conn_info->fd);
1246         conn_info->disconnected = TRUE;
1247
1248         BT_INFO("conn_info %s", conn_info->bt_addr);
1249         _bt_disconnect_ext_profile(conn_info->bt_addr, info->obj_path);
1250
1251         if (info->idle_id == 0)
1252                 info->idle_id = g_idle_add(__rfcomm_client_disconnect, info);
1253
1254         return BLUETOOTH_ERROR_NONE;
1255 #else
1256         rfcomm_client_conn_info_t *conn_info;
1257
1258         BT_INFO_C("<<<<<<<<< RFCOMM Disconnect request from app >>>>>>>>");
1259
1260         BT_CHECK_ENABLED(return);
1261         retv_if(socket_fd < 0, BLUETOOTH_ERROR_INVALID_PARAM);
1262
1263         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_DISCONNECT)
1264                         == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1265                 BT_ERR("Don't have a privilege to use this API");
1266                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1267         }
1268
1269         BT_DBG("FD %d", socket_fd);
1270
1271         conn_info = __find_rfcomm_conn_info_with_fd(socket_fd);
1272         if (conn_info == NULL) {
1273                 BT_DBG("Could not find in client, so check in server");
1274                 /* Check for fd in server list and perform the disconnection if present */
1275                 return bluetooth_rfcomm_server_disconnect(socket_fd);
1276         }
1277
1278         if (conn_info->watch_id <= 0) {
1279                 BT_ERR("Invalid state");
1280                 return BLUETOOTH_ERROR_NOT_CONNECTED;
1281         }
1282
1283         /*
1284          * Just close socket here and return. Socket close will be detected via I/O watch
1285          * and disconnection event as well as info cleanup will be performed there.
1286          */
1287         close(conn_info->sock_fd);
1288
1289         return BLUETOOTH_ERROR_NONE;
1290 #endif
1291 }
1292
1293 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1294 #else
1295 static int __write_all(int fd, const char *buf, int len)
1296 {
1297         int sent = 0, try = 0;
1298
1299         BT_DBG("+");
1300         while (len > 0) {
1301                 int written;
1302
1303                 written = write(fd, buf, len);
1304                 BT_DBG("written: %d", written);
1305                 if (written < 0) {
1306                         if (errno == EINTR || errno == EAGAIN) {
1307                                 try++;
1308                                 if (try <= 49)
1309                                         continue;
1310                         }
1311                         return -1;
1312                 }
1313
1314                 if (!written)
1315                         return 0;
1316
1317                 len -= written;
1318                 buf += written;
1319                 sent += written;
1320                 try = 0;
1321         }
1322
1323         BT_DBG("-");
1324         return sent;
1325 }
1326 #endif
1327
1328 BT_EXPORT_API int bluetooth_rfcomm_write(int fd, const char *buf, int length)
1329 {
1330 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1331         int written;
1332 #endif
1333         int result;
1334
1335 #ifndef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1336         BT_CHECK_ENABLED(return);
1337 #endif
1338         BT_CHECK_PARAMETER(buf, return);
1339         if (fd < 0) {
1340                 BT_ERR("Invalid FD");
1341                 return BLUETOOTH_ERROR_INVALID_PARAM;
1342         }
1343
1344         BT_DBG("FD : %d", fd);
1345
1346         retv_if(length <= 0, BLUETOOTH_ERROR_INVALID_PARAM);
1347
1348         switch (privilege_token) {
1349         case 0:
1350                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_WRITE);
1351
1352                 if (result == BLUETOOTH_ERROR_NONE) {
1353                         privilege_token = 1; /* Have a permission */
1354                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
1355                         BT_ERR("Don't have a privilege to use this API");
1356                         privilege_token = -1; /* Don't have a permission */
1357                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
1358                 } else {
1359                         /* Just break - It is not related with permission error */
1360                 }
1361                 break;
1362         case 1:
1363                 /* Already have a privilege */
1364                 break;
1365         case -1:
1366                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
1367         default:
1368                 /* Invalid privilge token value */
1369                 return BLUETOOTH_ERROR_INTERNAL;
1370         }
1371
1372         if (bluetooth_get_battery_monitor_state()) {
1373                 int ret = _bt_common_send_rfcomm_tx_details(length);
1374                 if (ret != BLUETOOTH_ERROR_NONE)
1375                         BT_ERR("RFCOMM tx data could not be sent");
1376         }
1377
1378 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
1379         written = write(fd, buf, length);
1380         /*BT_DBG("Length %d, written = %d, balance(%d)",
1381                         length, written, length - written); */
1382         return written;
1383 #else
1384         result = __write_all(fd, buf, length);
1385         return result;
1386 #endif
1387 }