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
  34 #define CHECK_MAX(max, x) (((max) > (x)) ? (x) : (max))
  35
  36 static const bt_interface_t * blued_api;
  37
  38 static bt_address_t local_address;
  39 static char local_name[BT_DEVICE_NAME_LENGTH_MAX + 1] = {'O', 'A', 'L', 0};
  40 static char local_version[BT_VERSION_STR_LEN_MAX + 1];
  41 static bt_scan_mode_t scan_mode = BT_SCAN_MODE_NONE;
  42 static int discoverable_timeout = 0;
  43
  44 /* Forward declarations */
  45 const char * status2string(bt_status_t status);
  46 oal_status_t convert_to_oal_status(bt_status_t status);
  47 void parse_device_properties(int num_properties, bt_property_t *properties,
  48                 remote_device_t *dev_info, ble_adv_data_t * adv_info);
  49 static gboolean retry_enable_adapter(gpointer data);
  50 oal_status_t oal_mgr_init_internal(void);
  51
  52
  53 /* Callback registered with Stack */
  54 static void cb_adapter_state_change(bt_state_t status);
  55 static void cb_adapter_properties (bt_status_t status,
  56                 int num_properties, bt_property_t *properties);
  57
  58 static bt_callbacks_t callbacks = {
  59         sizeof(callbacks),
  60         cb_adapter_state_change,
  61         cb_adapter_properties,
  62         NULL, /* remote_device_properties_callback */
  63         NULL, /* device_found_callback */
  64         NULL, /* discovery_state_changed_callback */
  65         NULL, /* pin_request_callback */
  66         NULL, /* ssp_request_callback */
  67         NULL, /* bond_state_changed_callback */
  68         NULL, /* acl_state_changed_callback */
  69         NULL, /* callback_thread_event */
  70         NULL, /* dut_mode_recv_callback */
  71         NULL, /* le_test_mode_callback*/
  72         NULL, /* energy_info_callback */
  73 };
  74
  75 oal_status_t adapter_mgr_init(const bt_interface_t * stack_if)
  76 {
  77         int ret;
  78         blued_api = stack_if;
  79
  80         ret = blued_api->init(&callbacks);
  81
  82         if (ret != BT_STATUS_SUCCESS) {
  83                 BT_ERR("Adapter callback registration failed: [%s]", status2string(ret));
  84                 blued_api->cleanup();
  85                 return convert_to_oal_status(ret);
  86         }
  87
  88         return OAL_STATUS_SUCCESS;
  89 }
  90
  91 const bt_interface_t* adapter_get_stack_interface(void)
  92 {
  93         return blued_api;
  94 }
  95
  96 void adapter_mgr_cleanup(void)
  97 {
  98         /* Nothing to clean yet , do not set blued_api NULL as it will be used to clean Bluedroid states */
  99         BT_DBG();
 100 }
 101
 102 oal_status_t adapter_enable(void)
 103 {
 104         int ret = BT_STATUS_SUCCESS;
 105
 106         API_TRACE();
 107         CHECK_OAL_INITIALIZED();
 108         if (OAL_STATUS_SUCCESS != hw_is_module_ready()) {
 109                 g_timeout_add(200, retry_enable_adapter, NULL);
 110                 return OAL_STATUS_PENDING;
 111         }
 112
 113         ret = blued_api->enable();
 114
 115         if (ret != BT_STATUS_SUCCESS) {
 116                 BT_ERR("Enable failed: [%s]", status2string(ret));
 117                 return convert_to_oal_status(ret);
 118         }
 119
 120         return OAL_STATUS_SUCCESS;
 121 }
 122
 123 oal_status_t adapter_disable(void)
 124 {
 125         int ret;
 126
 127         API_TRACE();
 128
 129         CHECK_OAL_INITIALIZED();
 130
 131         ret = blued_api->disable();
 132
 133         if (ret != BT_STATUS_SUCCESS) {
 134                 BT_ERR("Disable failed: [%s]", status2string(ret));
 135                 return convert_to_oal_status(ret);
 136         }
 137         return OAL_STATUS_SUCCESS;
 138 }
 139
 140 /* Callbacks from Stack */
 141 static void cb_adapter_state_change(bt_state_t status)
 142 {
 143         BT_DBG("+");
 144         oal_event_t event;
 145
 146         event = (BT_STATE_ON == status)?OAL_EVENT_ADAPTER_ENABLED:OAL_EVENT_ADAPTER_DISABLED;
 147
 148         send_event(event, NULL, 0);
 149 }
 150
 151 static gboolean retry_enable_adapter(gpointer data)
 152 {
 153         adapter_enable();
 154         return FALSE;
 155 }
 156
 157 oal_status_t adapter_get_address(void)
 158 {
 159         int ret;
 160
 161         CHECK_OAL_INITIALIZED();
 162
 163         API_TRACE();
 164
 165         ret = blued_api->get_adapter_property(BT_PROPERTY_BDADDR);
 166         if (ret != BT_STATUS_SUCCESS) {
 167                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 168                 return convert_to_oal_status(ret);
 169         }
 170
 171         return OAL_STATUS_SUCCESS;
 172 }
 173
 174 oal_status_t adapter_get_version(void)
 175 {
 176         int ret;
 177
 178         CHECK_OAL_INITIALIZED();
 179
 180         API_TRACE();
 181
 182         ret = blued_api->get_adapter_property(BT_PROPERTY_VERSION);
 183         if (ret != BT_STATUS_SUCCESS) {
 184                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 185                 return convert_to_oal_status(ret);
 186         }
 187
 188         return OAL_STATUS_SUCCESS;
 189 }
 190
 191 oal_status_t adapter_get_name(void)
 192 {
 193         int ret;
 194
 195         CHECK_OAL_INITIALIZED();
 196
 197         API_TRACE();
 198
 199         ret = blued_api->get_adapter_property(BT_PROPERTY_BDNAME);
 200         if (ret != BT_STATUS_SUCCESS) {
 201                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 202                 return convert_to_oal_status(ret);
 203         }
 204
 205         return OAL_STATUS_SUCCESS;
 206 }
 207
 208 oal_status_t adapter_is_discoverable(int *p_discoverable)
 209 {
 210         OAL_CHECK_PARAMETER(p_discoverable, return);
 211
 212         *p_discoverable = (scan_mode == BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
 213
 214         API_TRACE("%d", *p_discoverable);
 215
 216         return OAL_STATUS_SUCCESS;
 217 }
 218
 219 oal_status_t adapter_is_connectable(int *p_connectable)
 220 {
 221         OAL_CHECK_PARAMETER(p_connectable, return);
 222
 223         *p_connectable = (scan_mode == BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE)
 224                 ||(scan_mode == BT_SCAN_MODE_CONNECTABLE);
 225
 226         API_TRACE("%d", *p_connectable);
 227
 228         return OAL_STATUS_SUCCESS;
 229 }
 230
 231 oal_status_t adapter_get_discoverable_timeout(int *p_timeout)
 232 {
 233         API_TRACE("%d", discoverable_timeout);
 234
 235         *p_timeout = discoverable_timeout;
 236
 237         return OAL_STATUS_SUCCESS;
 238 }
 239
 240 oal_status_t adapter_get_service_uuids(void)
 241 {
 242         int ret;
 243
 244         CHECK_OAL_INITIALIZED();
 245
 246         API_TRACE();
 247
 248         ret = blued_api->get_adapter_property(BT_PROPERTY_UUIDS);
 249         if (ret != BT_STATUS_SUCCESS) {
 250                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 251                 return convert_to_oal_status(ret);
 252         }
 253
 254         return OAL_STATUS_SUCCESS;
 255 }
 256
 257 static void cb_adapter_properties (bt_status_t status,
 258                                                int num_properties,
 259                                                bt_property_t *properties)
 260 {
 261         int i;
 262
 263         BT_DBG("status: %d, count: %d", status, num_properties);
 264
 265         if (status != BT_STATUS_SUCCESS) {
 266                 if (num_properties == 1) {
 267                         BT_ERR("Adapter Prop failed: status: [%s], count: %d, prop: %d",
 268                                 status2string(status), num_properties, properties[num_properties-1].type);
 269                 } else {
 270                         BT_ERR("Adapter Prop failed: status: [%s], count: %d", status2string(status), num_properties);
 271                 }
 272                 return;
 273         }
 274
 275         for (i = 0; i < num_properties; i++) {
 276                 BT_DBG("prop type %d, len %d", properties[i].type, properties[i].len);
 277                 switch (properties[i].type) {
 278                 case BT_PROPERTY_VERSION: {
 279                         g_strlcpy(local_version, properties[i].val, BT_VERSION_STR_LEN_MAX);
 280                         local_version[properties[i].len] = '\0';
 281
 282                         BT_DBG("Version: %s", local_version);
 283                         /* Send event to application */
 284                         if (num_properties == 1) {
 285                                 char *adapter_ver = g_strdup(local_version);
 286
 287                                 /* Application has requested this property SET/GET hence send EVENT */
 288                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_VERSION, adapter_ver, strlen(adapter_ver));
 289                         }
 290                         break;
 291                 }
 292                 case BT_PROPERTY_BDNAME: {
 293                         g_strlcpy(local_name, properties[i].val, BT_DEVICE_NAME_LENGTH_MAX);
 294                         local_name[properties[i].len] = '\0';
 295
 296                         BT_DBG("Name: %s", local_name);
 297                         /* Send event to application */
 298                         if (num_properties == 1) {
 299                                 char * adap_name = g_strdup(local_name);
 300
 301                                 /* Application has requested this property SET/GET hence send EVENT */
 302                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_NAME, adap_name, strlen(adap_name));
 303                         }
 304                         break;
 305                 }
 306                 case BT_PROPERTY_BDADDR: {
 307                         bt_bdaddr_t * addr;
 308
 309                         addr =  properties[i].val;
 310                         memcpy(local_address.addr, addr->address, 6);
 311                         if (num_properties == 1) {
 312                                 /* Application has requested this property SET/GET hence send EVENT */
 313                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_ADDRESS,
 314                                                 g_memdup(&local_address, sizeof(local_address)),
 315                                                 sizeof(local_address));
 316                         }
 317                         break;
 318                 }
 319                 case BT_PROPERTY_UUIDS: {
 320                         int num_uuid;
 321
 322                         num_uuid = properties[i].len/sizeof(bt_uuid_t);
 323
 324                         BT_DBG("num_uuid: %d", num_uuid);
 325
 326                         /* Send event to application */
 327                         if (num_properties == 1) {
 328                                 event_adapter_services_t *uuids_event;
 329
 330                                 uuids_event = g_malloc(sizeof(event_adapter_services_t) + properties[i].len);
 331                                 memcpy(uuids_event->service_list, properties[i].val, properties[i].len);
 332                                 uuids_event->num = num_uuid;
 333
 334                                 /* Application has requested this property SET/GET hence send EVENT */
 335                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_SERVICES,
 336                                                 uuids_event, (num_uuid * sizeof(bt_uuid_t)));
 337                         }
 338                         break;
 339                 }
 340                 case BT_PROPERTY_ADAPTER_SCAN_MODE: {
 341                         bt_scan_mode_t cur_mode = *((bt_scan_mode_t *)properties[i].val);
 342
 343                         BT_INFO("Scan mode (%d)", cur_mode);
 344
 345                         scan_mode = cur_mode;
 346
 347                         /* Send event to application */
 348                         if (num_properties == 1) {
 349                                 oal_event_t event = OAL_EVENT_ADAPTER_MODE_NON_CONNECTABLE;
 350
 351                                 if (BT_SCAN_MODE_CONNECTABLE == cur_mode)
 352                                         event = OAL_EVENT_ADAPTER_MODE_CONNECTABLE;
 353                                 else if (BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE == cur_mode)
 354                                         event = OAL_EVENT_ADAPTER_MODE_DISCOVERABLE;
 355
 356                                 /* Application has requested this property SET/GET hence send EVENT */
 357                                 send_event(event, NULL, 0);
 358                         }
 359                         break;
 360                 }
 361                 case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: {
 362                         int timeout;
 363
 364                         timeout = *((uint32_t*)properties[i].val);
 365
 366                         BT_INFO("Discoverability timeout: %d", timeout);
 367                         discoverable_timeout = timeout;
 368
 369                         send_event(OAL_EVENT_ADAPTER_MODE_DISCOVERABLE_TIMEOUT,
 370                                         g_memdup(properties[i].val, sizeof(uint32_t)),
 371                                         sizeof(uint32_t));
 372                         break;
 373                 }
 374                 case BT_PROPERTY_ADAPTER_BONDED_DEVICES: {
 375                         int j;
 376                         int num_bonded;
 377                         bt_bdaddr_t *bonded_addr_list;
 378                         event_device_list_t *event_data;
 379
 380                         num_bonded = properties[i].len/sizeof(bt_bdaddr_t);
 381                         BT_DBG("num_bonded %d", num_bonded);
 382
 383                         if (num_properties > 1) /* No explicit req for this prop, ignore */
 384                                 break;
 385
 386                         bonded_addr_list = properties[i].val;
 387                         event_data = g_malloc(sizeof(event_device_list_t) + num_bonded*sizeof(bt_address_t));
 388                         event_data->num = num_bonded;
 389
 390                         for (j = 0; j < num_bonded; j++)
 391                                 memcpy(event_data->devices[j].addr, bonded_addr_list[j].address, 6);
 392
 393                         send_event(OAL_EVENT_ADAPTER_BONDED_DEVICE_LIST,
 394                                         event_data, (num_bonded * sizeof(bt_bdaddr_t)));
 395                         break;
 396                 }
 397                 default:
 398                         BT_WARN("Unhandled property: %d", properties[i].type);
 399                         break;
 400                 }
 401         }
 402 }