bt-oal/oal-adapter-mgr.c

   1 /*
   2  * Open Adaptation Layer (OAL)
   3  *
   4  * Copyright (c) 2014-2015 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <dlog.h>
  23 #include <string.h>
  24 #include <vconf.h>
  25 #include <sys/wait.h>
  26
  27 #include <bluetooth.h>
  28
  29 #include "oal-event.h"
  30 #include "oal-internal.h"
  31 #include "oal-manager.h"
  32 #include "oal-hardware.h"
  33 #include "oal-common.h"
  34 #include "oal-utils.h"
  35
  36 #define CHECK_MAX(max, x) (((max) > (x)) ? (x) : (max))
  37
  38 static const bt_interface_t * blued_api;
  39
  40 static bt_address_t local_address;
  41 static char local_name[BT_DEVICE_NAME_LENGTH_MAX + 1] = {'O', 'A', 'L', 0};
  42 static char local_version[BT_VERSION_STR_LEN_MAX + 1];
  43 static bt_scan_mode_t scan_mode = BT_SCAN_MODE_NONE;
  44 static int discoverable_timeout = 0;
  45
  46 /* Forward declarations */
  47 oal_status_t convert_to_oal_status(bt_status_t status);
  48 static gboolean retry_enable_adapter(gpointer data);
  49 oal_status_t oal_mgr_init_internal(void);
  50
  51
  52 /* Callback registered with Stack */
  53 static void cb_adapter_state_change(bt_state_t status);
  54 static void cb_adapter_discovery_state_changed(bt_discovery_state_t state);
  55 static void cb_adapter_device_found(int num_properties, bt_property_t *properties);
  56 static void cb_adapter_properties (bt_status_t status,
  57                 int num_properties, bt_property_t *properties);
  58 extern void cb_device_properties(bt_status_t status, bt_bdaddr_t *bd_addr,
  59                 int num_properties, bt_property_t *properties);
  60
  61 static bt_callbacks_t callbacks = {
  62         sizeof(callbacks),
  63         cb_adapter_state_change,
  64         cb_adapter_properties,
  65         cb_device_properties,
  66         cb_adapter_device_found,
  67         cb_adapter_discovery_state_changed,
  68         NULL, /* pin_request_callback */
  69         NULL, /* ssp_request_callback */
  70         NULL, /* bond_state_changed_callback */
  71         NULL, /* acl_state_changed_callback */
  72         NULL, /* callback_thread_event */
  73         NULL, /* dut_mode_recv_callback */
  74         NULL, /* le_test_mode_callback*/
  75         NULL, /* energy_info_callback */
  76 };
  77
  78 oal_status_t adapter_mgr_init(const bt_interface_t * stack_if)
  79 {
  80         int ret;
  81         blued_api = stack_if;
  82
  83         ret = blued_api->init(&callbacks);
  84
  85         if (ret != BT_STATUS_SUCCESS) {
  86                 BT_ERR("Adapter callback registration failed: [%s]", status2string(ret));
  87                 blued_api->cleanup();
  88                 return convert_to_oal_status(ret);
  89         }
  90
  91         return OAL_STATUS_SUCCESS;
  92 }
  93
  94 const bt_interface_t* adapter_get_stack_interface(void)
  95 {
  96         return blued_api;
  97 }
  98
  99 void adapter_mgr_cleanup(void)
 100 {
 101         /* Nothing to clean yet , do not set blued_api NULL as it will be used to clean Bluedroid states */
 102         BT_DBG();
 103 }
 104
 105 oal_status_t adapter_enable(void)
 106 {
 107         int ret = BT_STATUS_SUCCESS;
 108
 109         API_TRACE();
 110         CHECK_OAL_INITIALIZED();
 111         if (OAL_STATUS_SUCCESS != hw_is_module_ready()) {
 112                 g_timeout_add(200, retry_enable_adapter, NULL);
 113                 return OAL_STATUS_PENDING;
 114         }
 115
 116         ret = blued_api->enable();
 117
 118         if (ret != BT_STATUS_SUCCESS) {
 119                 BT_ERR("Enable failed: [%s]", status2string(ret));
 120                 return convert_to_oal_status(ret);
 121         }
 122
 123         return OAL_STATUS_SUCCESS;
 124 }
 125
 126 oal_status_t adapter_disable(void)
 127 {
 128         int ret;
 129
 130         API_TRACE();
 131
 132         CHECK_OAL_INITIALIZED();
 133
 134         ret = blued_api->disable();
 135
 136         if (ret != BT_STATUS_SUCCESS) {
 137                 BT_ERR("Disable failed: [%s]", status2string(ret));
 138                 return convert_to_oal_status(ret);
 139         }
 140         return OAL_STATUS_SUCCESS;
 141 }
 142
 143 oal_status_t adapter_start_inquiry(void)
 144 {
 145         int ret;
 146
 147         API_TRACE();
 148
 149         CHECK_OAL_INITIALIZED();
 150
 151         ret = blued_api->start_discovery();
 152         if (ret != BT_STATUS_SUCCESS) {
 153                 BT_ERR("start_discovery failed: [%s]", status2string(ret));
 154                 return convert_to_oal_status(ret);
 155         }
 156
 157         return OAL_STATUS_SUCCESS;
 158 }
 159
 160 oal_status_t adapter_stop_inquiry(void)
 161 {
 162         int ret;
 163
 164         API_TRACE();
 165
 166         CHECK_OAL_INITIALIZED();
 167
 168         ret = blued_api->cancel_discovery();
 169         if (ret != BT_STATUS_SUCCESS) {
 170                 BT_ERR("cancel_discovery failed: [%s]", status2string(ret));
 171                 return convert_to_oal_status(ret);
 172         }
 173
 174         return OAL_STATUS_SUCCESS;
 175 }
 176
 177 /* Callbacks from Stack */
 178 static void cb_adapter_state_change(bt_state_t status)
 179 {
 180         BT_DBG("+");
 181         oal_event_t event;
 182
 183         event = (BT_STATE_ON == status)?OAL_EVENT_ADAPTER_ENABLED:OAL_EVENT_ADAPTER_DISABLED;
 184
 185         send_event(event, NULL, 0);
 186 }
 187
 188 static gboolean retry_enable_adapter(gpointer data)
 189 {
 190         adapter_enable();
 191         return FALSE;
 192 }
 193
 194 oal_status_t adapter_get_address(void)
 195 {
 196         int ret;
 197
 198         API_TRACE();
 199         CHECK_OAL_INITIALIZED();
 200
 201         ret = blued_api->get_adapter_property(BT_PROPERTY_BDADDR);
 202         if (ret != BT_STATUS_SUCCESS) {
 203                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 204                 return convert_to_oal_status(ret);
 205         }
 206
 207         return OAL_STATUS_SUCCESS;
 208 }
 209
 210 oal_status_t adapter_get_version(void)
 211 {
 212         int ret;
 213
 214         API_TRACE();
 215         CHECK_OAL_INITIALIZED();
 216
 217         ret = blued_api->get_adapter_property(BT_PROPERTY_VERSION);
 218         if (ret != BT_STATUS_SUCCESS) {
 219                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 220                 return convert_to_oal_status(ret);
 221         }
 222
 223         return OAL_STATUS_SUCCESS;
 224 }
 225
 226 oal_status_t adapter_get_name(void)
 227 {
 228         int ret;
 229
 230         CHECK_OAL_INITIALIZED();
 231
 232         API_TRACE();
 233
 234         ret = blued_api->get_adapter_property(BT_PROPERTY_BDNAME);
 235         if (ret != BT_STATUS_SUCCESS) {
 236                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 237                 return convert_to_oal_status(ret);
 238         }
 239
 240         return OAL_STATUS_SUCCESS;
 241 }
 242
 243 oal_status_t adapter_set_name(char * name)
 244 {
 245         int ret;
 246         bt_property_t prop;
 247
 248         CHECK_OAL_INITIALIZED();
 249
 250         OAL_CHECK_PARAMETER(name, return);
 251         API_TRACE("Name: %s", name);
 252
 253         prop.type = BT_PROPERTY_BDNAME;
 254         prop.len = strlen(name);
 255         prop.val = name;
 256
 257         ret = blued_api->set_adapter_property(&prop);
 258         if (ret != BT_STATUS_SUCCESS) {
 259                 BT_ERR("set_adapter_property: [%s]", status2string(ret));
 260                 ret = OAL_STATUS_INTERNAL_ERROR;
 261         } else
 262                 ret = OAL_STATUS_SUCCESS;
 263
 264         return ret;
 265 }
 266
 267 oal_status_t adapter_is_discoverable(int *p_discoverable)
 268 {
 269         OAL_CHECK_PARAMETER(p_discoverable, return);
 270
 271         *p_discoverable = (scan_mode == BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
 272
 273         API_TRACE("%d", *p_discoverable);
 274
 275         return OAL_STATUS_SUCCESS;
 276 }
 277
 278 oal_status_t adapter_is_connectable(int *p_connectable)
 279 {
 280         OAL_CHECK_PARAMETER(p_connectable, return);
 281
 282         *p_connectable = (scan_mode == BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE)
 283                 ||(scan_mode == BT_SCAN_MODE_CONNECTABLE);
 284
 285         API_TRACE("%d", *p_connectable);
 286
 287         return OAL_STATUS_SUCCESS;
 288 }
 289
 290 oal_status_t adapter_get_discoverable_timeout(int *p_timeout)
 291 {
 292         API_TRACE("%d", discoverable_timeout);
 293
 294         *p_timeout = discoverable_timeout;
 295
 296         return OAL_STATUS_SUCCESS;
 297 }
 298
 299 oal_status_t adapter_get_service_uuids(void)
 300 {
 301         int ret;
 302
 303         CHECK_OAL_INITIALIZED();
 304
 305         API_TRACE();
 306
 307         ret = blued_api->get_adapter_property(BT_PROPERTY_UUIDS);
 308         if (ret != BT_STATUS_SUCCESS) {
 309                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 310                 return convert_to_oal_status(ret);
 311         }
 312
 313         return OAL_STATUS_SUCCESS;
 314 }
 315
 316 oal_status_t adapter_get_bonded_devices(void)
 317 {
 318         int ret;
 319
 320         CHECK_OAL_INITIALIZED();
 321
 322         API_TRACE();
 323
 324         ret = blued_api->get_adapter_property(BT_PROPERTY_ADAPTER_BONDED_DEVICES);
 325         if (ret != BT_STATUS_SUCCESS) {
 326                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 327                 return convert_to_oal_status(ret);
 328         }
 329
 330         return OAL_STATUS_SUCCESS;
 331 }
 332
 333 static oal_status_t set_scan_mode(bt_scan_mode_t mode)
 334 {
 335         bt_property_t prop;
 336         int res;
 337
 338         BT_DBG("+");
 339
 340         CHECK_OAL_INITIALIZED();
 341
 342         prop.type = BT_PROPERTY_ADAPTER_SCAN_MODE;
 343         prop.len = sizeof(bt_scan_mode_t);
 344         prop.val = &mode;
 345         res = blued_api->set_adapter_property(&prop);
 346         if (res != BT_STATUS_SUCCESS) {
 347                 BT_ERR("set scan mode failed [%s]", status2string(res));
 348                 return convert_to_oal_status(res);
 349         }
 350
 351         BT_DBG("-");
 352         return OAL_STATUS_SUCCESS;
 353 }
 354
 355 oal_status_t adapter_set_connectable(int connectable)
 356 {
 357         bt_scan_mode_t mode;
 358
 359         API_TRACE("%d", connectable);
 360
 361         CHECK_OAL_INITIALIZED();
 362
 363         mode = connectable ? BT_SCAN_MODE_CONNECTABLE : BT_SCAN_MODE_NONE;
 364
 365         return set_scan_mode(mode);
 366 }
 367
 368 static void cb_adapter_properties(bt_status_t status,
 369                                                int num_properties,
 370                                                bt_property_t *properties)
 371 {
 372         int i;
 373
 374         BT_DBG("status: %d, count: %d", status, num_properties);
 375
 376         if (status != BT_STATUS_SUCCESS) {
 377                 if (num_properties == 1) {
 378                         BT_ERR("Adapter Prop failed: status: [%s], count: %d, prop: %d",
 379                                 status2string(status), num_properties, properties[num_properties-1].type);
 380                 } else {
 381                         BT_ERR("Adapter Prop failed: status: [%s], count: %d", status2string(status), num_properties);
 382                 }
 383                 return;
 384         }
 385
 386         for (i = 0; i < num_properties; i++) {
 387                 BT_DBG("prop type %d, len %d", properties[i].type, properties[i].len);
 388                 switch (properties[i].type) {
 389                 case BT_PROPERTY_VERSION: {
 390                         g_strlcpy(local_version, properties[i].val, BT_VERSION_STR_LEN_MAX);
 391                         local_version[properties[i].len] = '\0';
 392
 393                         BT_DBG("Version: %s", local_version);
 394                         /* Send event to application */
 395                         if (num_properties == 1) {
 396                                 char *adapter_ver = g_strdup(local_version);
 397
 398                                 /* Application has requested this property SET/GET hence send EVENT */
 399                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_VERSION, adapter_ver, strlen(adapter_ver));
 400                         }
 401                         break;
 402                 }
 403                 case BT_PROPERTY_BDNAME: {
 404                         g_strlcpy(local_name, properties[i].val, BT_DEVICE_NAME_LENGTH_MAX);
 405                         local_name[properties[i].len] = '\0';
 406
 407                         BT_DBG("Name: %s", local_name);
 408                         /* Send event to application */
 409                         if (num_properties == 1) {
 410                                 char * adap_name = g_strdup(local_name);
 411
 412                                 /* Application has requested this property SET/GET hence send EVENT */
 413                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_NAME, adap_name, strlen(adap_name));
 414                         }
 415                         break;
 416                 }
 417                 case BT_PROPERTY_BDADDR: {
 418                         bt_bdaddr_t * addr;
 419
 420                         addr =  properties[i].val;
 421                         memcpy(local_address.addr, addr->address, 6);
 422                         if (num_properties == 1) {
 423                                 /* Application has requested this property SET/GET hence send EVENT */
 424                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_ADDRESS,
 425                                                 g_memdup(&local_address, sizeof(local_address)),
 426                                                 sizeof(local_address));
 427                         }
 428                         break;
 429                 }
 430                 case BT_PROPERTY_UUIDS: {
 431                         int num_uuid;
 432
 433                         num_uuid = properties[i].len/sizeof(bt_uuid_t);
 434
 435                         BT_DBG("num_uuid: %d", num_uuid);
 436
 437                         /* Send event to application */
 438                         if (num_properties == 1) {
 439                                 event_adapter_services_t *uuids_event;
 440
 441                                 uuids_event = g_malloc(sizeof(event_adapter_services_t) + properties[i].len);
 442                                 memcpy(uuids_event->service_list, properties[i].val, properties[i].len);
 443                                 uuids_event->num = num_uuid;
 444
 445                                 /* Application has requested this property SET/GET hence send EVENT */
 446                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_SERVICES,
 447                                                 uuids_event, (num_uuid * sizeof(bt_uuid_t)));
 448                         }
 449                         break;
 450                 }
 451                 case BT_PROPERTY_ADAPTER_SCAN_MODE: {
 452                         bt_scan_mode_t cur_mode = *((bt_scan_mode_t *)properties[i].val);
 453
 454                         BT_INFO("Scan mode (%d)", cur_mode);
 455
 456                         scan_mode = cur_mode;
 457
 458                         /* Send event to application */
 459                         if (num_properties == 1) {
 460                                 oal_event_t event = OAL_EVENT_ADAPTER_MODE_NON_CONNECTABLE;
 461
 462                                 if (BT_SCAN_MODE_CONNECTABLE == cur_mode)
 463                                         event = OAL_EVENT_ADAPTER_MODE_CONNECTABLE;
 464                                 else if (BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE == cur_mode)
 465                                         event = OAL_EVENT_ADAPTER_MODE_DISCOVERABLE;
 466
 467                                 /* Application has requested this property SET/GET hence send EVENT */
 468                                 send_event(event, NULL, 0);
 469                         }
 470                         break;
 471                 }
 472                 case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: {
 473                         int timeout;
 474
 475                         timeout = *((uint32_t*)properties[i].val);
 476
 477                         BT_INFO("Discoverability timeout: %d", timeout);
 478                         discoverable_timeout = timeout;
 479
 480                         send_event(OAL_EVENT_ADAPTER_MODE_DISCOVERABLE_TIMEOUT,
 481                                         g_memdup(properties[i].val, sizeof(uint32_t)),
 482                                         sizeof(uint32_t));
 483                         break;
 484                 }
 485                 case BT_PROPERTY_ADAPTER_BONDED_DEVICES: {
 486                         int j;
 487                         int num_bonded;
 488                         bt_bdaddr_t *bonded_addr_list;
 489                         event_device_list_t *event_data;
 490
 491                         num_bonded = properties[i].len/sizeof(bt_bdaddr_t);
 492                         BT_DBG("num_bonded %d", num_bonded);
 493
 494                         if (num_properties > 1) /* No explicit req for this prop, ignore */
 495                                 break;
 496
 497                         bonded_addr_list = properties[i].val;
 498                         event_data = g_malloc(sizeof(event_device_list_t) + num_bonded*sizeof(bt_address_t));
 499                         event_data->num = num_bonded;
 500
 501                         for (j = 0; j < num_bonded; j++)
 502                                 memcpy(event_data->devices[j].addr, bonded_addr_list[j].address, 6);
 503
 504                         send_event(OAL_EVENT_ADAPTER_BONDED_DEVICE_LIST,
 505                                         event_data, (num_bonded * sizeof(bt_bdaddr_t)));
 506                         break;
 507                 }
 508                 default:
 509                          BT_WARN("Unhandled property: %d", properties[i].type);
 510                          break;
 511                 }
 512         }
 513 }
 514
 515 static void cb_adapter_discovery_state_changed(bt_discovery_state_t state)
 516 {
 517         oal_event_t event;
 518
 519         event = (BT_DISCOVERY_STARTED == state)?OAL_EVENT_ADAPTER_INQUIRY_STARTED:OAL_EVENT_ADAPTER_INQUIRY_FINISHED;
 520
 521         BT_DBG("%d", state);
 522         send_event(event, NULL, 0);
 523 }
 524
 525 static void cb_adapter_device_found(int num_properties, bt_property_t *properties)
 526 {
 527         remote_device_t dev_info;
 528         ble_adv_data_t adv_info;
 529         oal_event_t event;
 530         gpointer event_data;
 531         gsize size = 0;
 532         BT_DBG("+");
 533
 534         if (num_properties == 0) {
 535                 BT_ERR("Unexpected, properties count is zero!!");
 536                 return;
 537         }
 538
 539         memset(&dev_info, 0x00, sizeof(remote_device_t));
 540         memset(&adv_info, 0x00, sizeof(ble_adv_data_t));
 541
 542         print_bt_properties(num_properties, properties);
 543         parse_device_properties(num_properties, properties, &dev_info, &adv_info);
 544
 545         BT_INFO("number of properties= [%d] ", num_properties, size);
 546
 547         if (dev_info.type != DEV_TYPE_BREDR) {
 548                 /* BLE Single or DUAL mode found, so it should have Adv data */
 549                 event_ble_dev_found_t * ble_dev_event = g_new0(event_ble_dev_found_t, 1);
 550
 551                 ble_dev_event->adv_len = adv_info.len;
 552
 553                 if (adv_info.len > 0 && adv_info.adv_data) {
 554                         memcpy(ble_dev_event->adv_data, adv_info.adv_data, adv_info.len);
 555                         ble_dev_event->adv_len = adv_info.len;
 556                 } else
 557                         ble_dev_event->adv_len = 0;
 558
 559                 ble_dev_event->device_info = dev_info;
 560
 561                 event_data = ble_dev_event;
 562                 size = sizeof(event_ble_dev_found_t);
 563                 event = OAL_EVENT_ADAPTER_INQUIRY_RESULT_BLE;
 564         } else {
 565                 /* BREDR device, so No Adv data */
 566                 event_dev_found_t * dev_event = g_new0(event_dev_found_t, 1);
 567
 568                 memcpy(dev_event, &dev_info, sizeof(remote_device_t));
 569                 event_data = dev_event;
 570                 size = sizeof(remote_device_t);
 571                 event = OAL_EVENT_ADAPTER_INQUIRY_RESULT_BREDR_ONLY;
 572         }
 573
 574         send_event(event, event_data, size);
 575
 576         BT_DBG("-");
 577 }