1 /******************************************************************************
2 *
3 * Copyright (C) 2014 The Android Open Source Project
4 * Copyright (C) 2009-2012 Broadcom Corporation
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 /*******************************************************************************
21 *
22 * Filename: btif_core.c
23 *
24 * Description: Contains core functionality related to interfacing between
25 * Bluetooth HAL and BTE core stack.
26 *
27 ******************************************************************************/
28
29 #define LOG_TAG "bt_btif_core"
30
31 #include <base/at_exit.h>
32 #include <base/bind.h>
33 #include <base/run_loop.h>
34 #include <base/threading/thread.h>
35 #include <ctype.h>
36 #include <dirent.h>
37 #include <fcntl.h>
38 #include <hardware/bluetooth.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <sys/stat.h>
42 #include <sys/types.h>
43 #include <unistd.h>
44
45 #include "bt_common.h"
46 #include "bt_utils.h"
47 #include "bta_api.h"
48 #include "bte.h"
49 #include "btif_api.h"
50 #include "btif_av.h"
51 #include "btif_config.h"
52 #include "btif_pan.h"
53 #include "btif_profile_queue.h"
54 #include "btif_sock.h"
55 #include "btif_storage.h"
56 #include "btif_uid.h"
57 #include "btif_util.h"
58 #include "btu.h"
59 #include "device/include/controller.h"
60 #include "osi/include/fixed_queue.h"
61 #include "osi/include/future.h"
62 #include "osi/include/log.h"
63 #include "osi/include/osi.h"
64 #include "osi/include/properties.h"
65 #include "osi/include/thread.h"
66 #include "stack_manager.h"
67
68 /*******************************************************************************
69 * Constants & Macros
70 ******************************************************************************/
71
72 #ifndef BTE_DID_CONF_FILE
73 // TODO(armansito): Find a better way than searching by a hardcoded path.
74 #if defined(OS_GENERIC)
75 #define BTE_DID_CONF_FILE "bt_did.conf"
76 #else // !defined(OS_GENERIC)
77 #define BTE_DID_CONF_FILE "/etc/bluetooth/bt_did.conf"
78 #endif // defined(OS_GENERIC)
79 #endif // BTE_DID_CONF_FILE
80
81 /*******************************************************************************
82 * Local type definitions
83 ******************************************************************************/
84
85 /* These type definitions are used when passing data from the HAL to BTIF
86 * context in the downstream path for the adapter and remote_device property
87 * APIs
88 */
89
90 typedef struct {
91 RawAddress bd_addr;
92 bt_property_type_t type;
93 } btif_storage_read_t;
94
95 typedef struct {
96 RawAddress bd_addr;
97 bt_property_t prop;
98 } btif_storage_write_t;
99
100 typedef union {
101 btif_storage_read_t read_req;
102 btif_storage_write_t write_req;
103 } btif_storage_req_t;
104
105 typedef enum {
106 BTIF_CORE_STATE_DISABLED = 0,
107 BTIF_CORE_STATE_ENABLING,
108 BTIF_CORE_STATE_ENABLED,
109 BTIF_CORE_STATE_DISABLING
110 } btif_core_state_t;
111
112 /*******************************************************************************
113 * Static variables
114 ******************************************************************************/
115
116 static tBTA_SERVICE_MASK btif_enabled_services = 0;
117
118 /*
119 * This variable should be set to 1, if the Bluedroid+BTIF libraries are to
120 * function in DUT mode.
121 *
122 * To set this, the btif_init_bluetooth needs to be called with argument as 1
123 */
124 static uint8_t btif_dut_mode = 0;
125
126 static thread_t* bt_jni_workqueue_thread;
127 static const char* BT_JNI_WORKQUEUE_NAME = "bt_jni_workqueue";
128 static uid_set_t* uid_set = NULL;
129 base::MessageLoop* message_loop_ = NULL;
130 base::RunLoop* jni_run_loop = NULL;
131
132 /*******************************************************************************
133 * Static functions
134 ******************************************************************************/
135 static void btif_jni_associate();
136 static void btif_jni_disassociate();
137
138 /* sends message to btif task */
139 static void btif_sendmsg(void* p_msg);
140
141 /*******************************************************************************
142 * Externs
143 ******************************************************************************/
144 extern fixed_queue_t* btu_hci_msg_queue;
145
146 void btif_dm_execute_service_request(uint16_t event, char* p_param);
147 #ifdef BTIF_DM_OOB_TEST
148 void btif_dm_load_local_oob(void);
149 #endif
150
151 /*******************************************************************************
152 *
153 * Function btif_context_switched
154 *
155 * Description Callback used to execute transferred context callback
156 *
157 * p_msg : message to be executed in btif context
158 *
159 * Returns void
160 *
161 ******************************************************************************/
162
btif_context_switched(void * p_msg)163 static void btif_context_switched(void* p_msg) {
164 BTIF_TRACE_VERBOSE("btif_context_switched");
165
166 tBTIF_CONTEXT_SWITCH_CBACK* p = (tBTIF_CONTEXT_SWITCH_CBACK*)p_msg;
167
168 /* each callback knows how to parse the data */
169 if (p->p_cb) p->p_cb(p->event, p->p_param);
170 }
171
172 /*******************************************************************************
173 *
174 * Function btif_transfer_context
175 *
176 * Description This function switches context to btif task
177 *
178 * p_cback : callback used to process message in btif context
179 * event : event id of message
180 * p_params : parameter area passed to callback (copied)
181 * param_len : length of parameter area
182 * p_copy_cback : If set this function will be invoked for deep
183 * copy
184 *
185 * Returns void
186 *
187 ******************************************************************************/
188
btif_transfer_context(tBTIF_CBACK * p_cback,uint16_t event,char * p_params,int param_len,tBTIF_COPY_CBACK * p_copy_cback)189 bt_status_t btif_transfer_context(tBTIF_CBACK* p_cback, uint16_t event,
190 char* p_params, int param_len,
191 tBTIF_COPY_CBACK* p_copy_cback) {
192 tBTIF_CONTEXT_SWITCH_CBACK* p_msg = (tBTIF_CONTEXT_SWITCH_CBACK*)osi_malloc(
193 sizeof(tBTIF_CONTEXT_SWITCH_CBACK) + param_len);
194
195 BTIF_TRACE_VERBOSE("btif_transfer_context event %d, len %d", event,
196 param_len);
197
198 /* allocate and send message that will be executed in btif context */
199 p_msg->hdr.event = BT_EVT_CONTEXT_SWITCH_EVT; /* internal event */
200 p_msg->p_cb = p_cback;
201
202 p_msg->event = event; /* callback event */
203
204 /* check if caller has provided a copy callback to do the deep copy */
205 if (p_copy_cback) {
206 p_copy_cback(event, p_msg->p_param, p_params);
207 } else if (p_params) {
208 memcpy(p_msg->p_param, p_params, param_len); /* callback parameter data */
209 }
210
211 btif_sendmsg(p_msg);
212
213 return BT_STATUS_SUCCESS;
214 }
215
216 /**
217 * This function posts a task into the btif message loop, that executes it in
218 * the JNI message loop.
219 **/
do_in_jni_thread(const tracked_objects::Location & from_here,const base::Closure & task)220 bt_status_t do_in_jni_thread(const tracked_objects::Location& from_here,
221 const base::Closure& task) {
222 if (!message_loop_ || !message_loop_->task_runner().get()) {
223 BTIF_TRACE_WARNING("%s: Dropped message, message_loop not initialized yet!",
224 __func__);
225 return BT_STATUS_FAIL;
226 }
227
228 if (message_loop_->task_runner()->PostTask(from_here, task))
229 return BT_STATUS_SUCCESS;
230
231 BTIF_TRACE_ERROR("%s: Post task to task runner failed!", __func__);
232 return BT_STATUS_FAIL;
233 }
234
do_in_jni_thread(const base::Closure & task)235 bt_status_t do_in_jni_thread(const base::Closure& task) {
236 return do_in_jni_thread(FROM_HERE, task);
237 }
238
239 /*******************************************************************************
240 *
241 * Function btif_is_dut_mode
242 *
243 * Description checks if BTIF is currently in DUT mode
244 *
245 * Returns 1 if test mode, otherwize 0
246 *
247 ******************************************************************************/
248
btif_is_dut_mode(void)249 uint8_t btif_is_dut_mode(void) { return (btif_dut_mode == 1); }
250
251 /*******************************************************************************
252 *
253 * Function btif_is_enabled
254 *
255 * Description checks if main adapter is fully enabled
256 *
257 * Returns 1 if fully enabled, otherwize 0
258 *
259 ******************************************************************************/
260
btif_is_enabled(void)261 int btif_is_enabled(void) {
262 return ((!btif_is_dut_mode()) &&
263 (stack_manager_get_interface()->get_stack_is_running()));
264 }
265
btif_init_ok(UNUSED_ATTR uint16_t event,UNUSED_ATTR char * p_param)266 void btif_init_ok(UNUSED_ATTR uint16_t event, UNUSED_ATTR char* p_param) {
267 BTIF_TRACE_DEBUG("btif_task: received trigger stack init event");
268 btif_dm_load_ble_local_keys();
269 BTA_EnableBluetooth(bte_dm_evt);
270 }
271
272 /*******************************************************************************
273 *
274 * Function btif_task
275 *
276 * Description BTIF task handler managing all messages being passed
277 * Bluetooth HAL and BTA.
278 *
279 * Returns void
280 *
281 ******************************************************************************/
bt_jni_msg_ready(void * context)282 static void bt_jni_msg_ready(void* context) {
283 BT_HDR* p_msg = (BT_HDR*)context;
284
285 BTIF_TRACE_VERBOSE("btif task fetched event %x", p_msg->event);
286
287 switch (p_msg->event) {
288 case BT_EVT_CONTEXT_SWITCH_EVT:
289 btif_context_switched(p_msg);
290 break;
291 default:
292 BTIF_TRACE_ERROR("unhandled btif event (%d)", p_msg->event & BT_EVT_MASK);
293 break;
294 }
295 osi_free(p_msg);
296 }
297
298 /*******************************************************************************
299 *
300 * Function btif_sendmsg
301 *
302 * Description Sends msg to BTIF task
303 *
304 * Returns void
305 *
306 ******************************************************************************/
307
btif_sendmsg(void * p_msg)308 void btif_sendmsg(void* p_msg) {
309 do_in_jni_thread(base::Bind(&bt_jni_msg_ready, p_msg));
310 }
311
btif_thread_post(thread_fn func,void * context)312 void btif_thread_post(thread_fn func, void* context) {
313 do_in_jni_thread(base::Bind(func, context));
314 }
315
run_message_loop(UNUSED_ATTR void * context)316 void run_message_loop(UNUSED_ATTR void* context) {
317 LOG_INFO(LOG_TAG, "%s entered", __func__);
318
319 // TODO(jpawlowski): exit_manager should be defined in main(), but there is no
320 // main method.
321 // It is therefore defined in bt_jni_workqueue_thread, and will be deleted
322 // when we free it.
323 base::AtExitManager exit_manager;
324
325 message_loop_ = new base::MessageLoop(base::MessageLoop::Type::TYPE_DEFAULT);
326
327 // Associate this workqueue thread with JNI.
328 message_loop_->task_runner()->PostTask(FROM_HERE,
329 base::Bind(&btif_jni_associate));
330
331 jni_run_loop = new base::RunLoop();
332 jni_run_loop->Run();
333
334 delete message_loop_;
335 message_loop_ = NULL;
336
337 delete jni_run_loop;
338 jni_run_loop = NULL;
339
340 LOG_INFO(LOG_TAG, "%s finished", __func__);
341 }
342 /*******************************************************************************
343 *
344 * Function btif_init_bluetooth
345 *
346 * Description Creates BTIF task and prepares BT scheduler for startup
347 *
348 * Returns bt_status_t
349 *
350 ******************************************************************************/
btif_init_bluetooth()351 bt_status_t btif_init_bluetooth() {
352 LOG_INFO(LOG_TAG, "%s entered", __func__);
353
354 bte_main_boot_entry();
355
356 bt_jni_workqueue_thread = thread_new(BT_JNI_WORKQUEUE_NAME);
357 if (bt_jni_workqueue_thread == NULL) {
358 LOG_ERROR(LOG_TAG, "%s Unable to create thread %s", __func__,
359 BT_JNI_WORKQUEUE_NAME);
360 goto error_exit;
361 }
362
363 thread_post(bt_jni_workqueue_thread, run_message_loop, nullptr);
364
365 LOG_INFO(LOG_TAG, "%s finished", __func__);
366 return BT_STATUS_SUCCESS;
367
368 error_exit:;
369 thread_free(bt_jni_workqueue_thread);
370
371 bt_jni_workqueue_thread = NULL;
372
373 return BT_STATUS_FAIL;
374 }
375
376 /*******************************************************************************
377 *
378 * Function btif_enable_bluetooth_evt
379 *
380 * Description Event indicating bluetooth enable is completed
381 * Notifies HAL user with updated adapter state
382 *
383 * Returns void
384 *
385 ******************************************************************************/
386
btif_enable_bluetooth_evt(tBTA_STATUS status)387 void btif_enable_bluetooth_evt(tBTA_STATUS status) {
388 LOG_INFO(LOG_TAG, "%s entered: status %d", __func__, status);
389
390 /* Fetch the local BD ADDR */
391 RawAddress local_bd_addr = *controller_get_interface()->get_address();
392
393 std::string bdstr = local_bd_addr.ToString();
394
395 char val[PROPERTY_VALUE_MAX] = "";
396 int val_size = 0;
397 if ((btif_config_get_str("Adapter", "Address", val, &val_size) == 0) ||
398 strcmp(bdstr.c_str(), val) == 0) {
399 // This address is not present in the config file, save it there.
400 BTIF_TRACE_WARNING("%s: Saving the Adapter Address", __func__);
401 btif_config_set_str("Adapter", "Address", bdstr.c_str());
402 btif_config_save();
403
404 // fire HAL callback for property change
405 bt_property_t prop;
406 prop.type = BT_PROPERTY_BDADDR;
407 prop.val = (void*)&local_bd_addr;
408 prop.len = sizeof(RawAddress);
409 HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1,
410 &prop);
411 }
412
413 bte_main_postload_cfg();
414
415 /* callback to HAL */
416 if (status == BTA_SUCCESS) {
417 uid_set = uid_set_create();
418
419 btif_dm_init(uid_set);
420
421 /* init rfcomm & l2cap api */
422 btif_sock_init(uid_set);
423
424 /* init pan */
425 btif_pan_init();
426
427 /* load did configuration */
428 bte_load_did_conf(BTE_DID_CONF_FILE);
429
430 #ifdef BTIF_DM_OOB_TEST
431 btif_dm_load_local_oob();
432 #endif
433
434 future_ready(stack_manager_get_hack_future(), FUTURE_SUCCESS);
435 } else {
436 /* cleanup rfcomm & l2cap api */
437 btif_sock_cleanup();
438
439 btif_pan_cleanup();
440
441 future_ready(stack_manager_get_hack_future(), FUTURE_FAIL);
442 }
443
444 LOG_INFO(LOG_TAG, "%s finished", __func__);
445 }
446
447 /*******************************************************************************
448 *
449 * Function btif_disable_bluetooth
450 *
451 * Description Inititates shutdown of Bluetooth system.
452 * Any active links will be dropped and device entering
453 * non connectable/discoverable mode
454 *
455 * Returns void
456 *
457 ******************************************************************************/
btif_disable_bluetooth(void)458 bt_status_t btif_disable_bluetooth(void) {
459 LOG_INFO(LOG_TAG, "%s entered", __func__);
460
461 btm_ble_multi_adv_cleanup();
462 // TODO(jpawlowski): this should do whole BTA_VendorCleanup(), but it would
463 // kill the stack now.
464
465 btif_dm_on_disable();
466 /* cleanup rfcomm & l2cap api */
467 btif_sock_cleanup();
468 btif_pan_cleanup();
469 BTA_DisableBluetooth();
470
471 LOG_INFO(LOG_TAG, "%s finished", __func__);
472
473 return BT_STATUS_SUCCESS;
474 }
475
476 /*******************************************************************************
477 *
478 * Function btif_disable_bluetooth_evt
479 *
480 * Description Event notifying BT disable is now complete.
481 * Terminates main stack tasks and notifies HAL
482 * user with updated BT state.
483 *
484 * Returns void
485 *
486 ******************************************************************************/
487
btif_disable_bluetooth_evt(void)488 void btif_disable_bluetooth_evt(void) {
489 LOG_INFO(LOG_TAG, "%s entered", __func__);
490
491 bte_main_disable();
492
493 /* callback to HAL */
494 future_ready(stack_manager_get_hack_future(), FUTURE_SUCCESS);
495
496 LOG_INFO(LOG_TAG, "%s finished", __func__);
497 }
498
499 /*******************************************************************************
500 *
501 * Function btif_cleanup_bluetooth
502 *
503 * Description Cleanup BTIF state.
504 *
505 * Returns void
506 *
507 ******************************************************************************/
508
btif_cleanup_bluetooth(void)509 bt_status_t btif_cleanup_bluetooth(void) {
510 LOG_INFO(LOG_TAG, "%s entered", __func__);
511
512 BTA_VendorCleanup();
513
514 btif_dm_cleanup();
515 btif_jni_disassociate();
516 btif_queue_release();
517
518 if (jni_run_loop && message_loop_) {
519 message_loop_->task_runner()->PostTask(FROM_HERE,
520 jni_run_loop->QuitClosure());
521 }
522
523 thread_free(bt_jni_workqueue_thread);
524 bt_jni_workqueue_thread = NULL;
525
526 bte_main_cleanup();
527
528 btif_dut_mode = 0;
529
530 LOG_INFO(LOG_TAG, "%s finished", __func__);
531
532 return BT_STATUS_SUCCESS;
533 }
534
535 /*******************************************************************************
536 *
537 * Function btif_dut_mode_cback
538 *
539 * Description Callback invoked on completion of vendor specific test mode
540 * command
541 *
542 * Returns None
543 *
544 ******************************************************************************/
btif_dut_mode_cback(UNUSED_ATTR tBTM_VSC_CMPL * p)545 static void btif_dut_mode_cback(UNUSED_ATTR tBTM_VSC_CMPL* p) {
546 /* For now nothing to be done. */
547 }
548
549 /*******************************************************************************
550 *
551 * Function btif_dut_mode_configure
552 *
553 * Description Configure Test Mode - 'enable' to 1 puts the device in test
554 * mode and 0 exits test mode
555 *
556 * Returns BT_STATUS_SUCCESS on success
557 *
558 ******************************************************************************/
btif_dut_mode_configure(uint8_t enable)559 bt_status_t btif_dut_mode_configure(uint8_t enable) {
560 BTIF_TRACE_DEBUG("%s", __func__);
561
562 if (!stack_manager_get_interface()->get_stack_is_running()) {
563 BTIF_TRACE_ERROR("btif_dut_mode_configure : Bluetooth not enabled");
564 return BT_STATUS_NOT_READY;
565 }
566
567 btif_dut_mode = enable;
568 if (enable == 1) {
569 BTA_EnableTestMode();
570 } else {
571 BTA_DisableTestMode();
572 }
573 return BT_STATUS_SUCCESS;
574 }
575
576 /*******************************************************************************
577 *
578 * Function btif_dut_mode_send
579 *
580 * Description Sends a HCI Vendor specific command to the controller
581 *
582 * Returns BT_STATUS_SUCCESS on success
583 *
584 ******************************************************************************/
btif_dut_mode_send(uint16_t opcode,uint8_t * buf,uint8_t len)585 bt_status_t btif_dut_mode_send(uint16_t opcode, uint8_t* buf, uint8_t len) {
586 /* TODO: Check that opcode is a vendor command group */
587 BTIF_TRACE_DEBUG("%s", __func__);
588 if (!btif_is_dut_mode()) {
589 BTIF_TRACE_ERROR("Bluedroid HAL needs to be init with test_mode set to 1.");
590 return BT_STATUS_FAIL;
591 }
592 BTM_VendorSpecificCommand(opcode, len, buf, btif_dut_mode_cback);
593 return BT_STATUS_SUCCESS;
594 }
595
596 /*****************************************************************************
597 *
598 * btif api adapter property functions
599 *
600 ****************************************************************************/
601
btif_in_get_adapter_properties(void)602 static bt_status_t btif_in_get_adapter_properties(void) {
603 bt_property_t properties[6];
604 uint32_t num_props = 0;
605
606 RawAddress addr;
607 bt_bdname_t name;
608 bt_scan_mode_t mode;
609 uint32_t disc_timeout;
610 RawAddress bonded_devices[BTM_SEC_MAX_DEVICE_RECORDS];
611 bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS];
612 bt_status_t status;
613
614 /* RawAddress */
615 BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_BDADDR,
616 sizeof(addr), &addr);
617 status = btif_storage_get_adapter_property(&properties[num_props]);
618 // Add BT_PROPERTY_BDADDR property into list only when successful.
619 // Otherwise, skip this property entry.
620 if (status == BT_STATUS_SUCCESS) {
621 num_props++;
622 }
623
624 /* BD_NAME */
625 BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_BDNAME,
626 sizeof(name), &name);
627 btif_storage_get_adapter_property(&properties[num_props]);
628 num_props++;
629
630 /* SCAN_MODE */
631 BTIF_STORAGE_FILL_PROPERTY(&properties[num_props],
632 BT_PROPERTY_ADAPTER_SCAN_MODE, sizeof(mode),
633 &mode);
634 btif_storage_get_adapter_property(&properties[num_props]);
635 num_props++;
636
637 /* DISC_TIMEOUT */
638 BTIF_STORAGE_FILL_PROPERTY(&properties[num_props],
639 BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT,
640 sizeof(disc_timeout), &disc_timeout);
641 btif_storage_get_adapter_property(&properties[num_props]);
642 num_props++;
643
644 /* BONDED_DEVICES */
645 BTIF_STORAGE_FILL_PROPERTY(&properties[num_props],
646 BT_PROPERTY_ADAPTER_BONDED_DEVICES,
647 sizeof(bonded_devices), bonded_devices);
648 btif_storage_get_adapter_property(&properties[num_props]);
649 num_props++;
650
651 /* LOCAL UUIDs */
652 BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_UUIDS,
653 sizeof(local_uuids), local_uuids);
654 btif_storage_get_adapter_property(&properties[num_props]);
655 num_props++;
656
657 HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, num_props,
658 properties);
659
660 return BT_STATUS_SUCCESS;
661 }
662
btif_in_get_remote_device_properties(RawAddress * bd_addr)663 static bt_status_t btif_in_get_remote_device_properties(RawAddress* bd_addr) {
664 bt_property_t remote_properties[8];
665 uint32_t num_props = 0;
666
667 bt_bdname_t name, alias;
668 uint32_t cod, devtype;
669 bt_uuid_t remote_uuids[BT_MAX_NUM_UUIDS];
670
671 memset(remote_properties, 0, sizeof(remote_properties));
672 BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_BDNAME,
673 sizeof(name), &name);
674 btif_storage_get_remote_device_property(bd_addr,
675 &remote_properties[num_props]);
676 num_props++;
677
678 BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props],
679 BT_PROPERTY_REMOTE_FRIENDLY_NAME, sizeof(alias),
680 &alias);
681 btif_storage_get_remote_device_property(bd_addr,
682 &remote_properties[num_props]);
683 num_props++;
684
685 BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props],
686 BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
687 btif_storage_get_remote_device_property(bd_addr,
688 &remote_properties[num_props]);
689 num_props++;
690
691 BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props],
692 BT_PROPERTY_TYPE_OF_DEVICE, sizeof(devtype),
693 &devtype);
694 btif_storage_get_remote_device_property(bd_addr,
695 &remote_properties[num_props]);
696 num_props++;
697
698 BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_UUIDS,
699 sizeof(remote_uuids), remote_uuids);
700 btif_storage_get_remote_device_property(bd_addr,
701 &remote_properties[num_props]);
702 num_props++;
703
704 HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS,
705 bd_addr, num_props, remote_properties);
706
707 return BT_STATUS_SUCCESS;
708 }
709
710 /*******************************************************************************
711 *
712 * Function execute_storage_request
713 *
714 * Description Executes adapter storage request in BTIF context
715 *
716 * Returns bt_status_t
717 *
718 ******************************************************************************/
719
execute_storage_request(uint16_t event,char * p_param)720 static void execute_storage_request(uint16_t event, char* p_param) {
721 bt_status_t status = BT_STATUS_SUCCESS;
722
723 BTIF_TRACE_EVENT("execute storage request event : %d", event);
724
725 switch (event) {
726 case BTIF_CORE_STORAGE_ADAPTER_WRITE: {
727 btif_storage_req_t* p_req = (btif_storage_req_t*)p_param;
728 bt_property_t* p_prop = &(p_req->write_req.prop);
729 BTIF_TRACE_EVENT("type: %d, len %d, 0x%x", p_prop->type, p_prop->len,
730 p_prop->val);
731
732 status = btif_storage_set_adapter_property(p_prop);
733 HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, 1, p_prop);
734 } break;
735
736 case BTIF_CORE_STORAGE_ADAPTER_READ: {
737 btif_storage_req_t* p_req = (btif_storage_req_t*)p_param;
738 char buf[512];
739 bt_property_t prop;
740 prop.type = p_req->read_req.type;
741 prop.val = (void*)buf;
742 prop.len = sizeof(buf);
743 if (prop.type == BT_PROPERTY_LOCAL_LE_FEATURES) {
744 tBTM_BLE_VSC_CB cmn_vsc_cb;
745 bt_local_le_features_t local_le_features;
746
747 /* LE features are not stored in storage. Should be retrived from stack
748 */
749 BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
750 local_le_features.local_privacy_enabled = BTM_BleLocalPrivacyEnabled();
751
752 prop.len = sizeof(bt_local_le_features_t);
753 if (cmn_vsc_cb.filter_support == 1)
754 local_le_features.max_adv_filter_supported = cmn_vsc_cb.max_filter;
755 else
756 local_le_features.max_adv_filter_supported = 0;
757 local_le_features.max_adv_instance = cmn_vsc_cb.adv_inst_max;
758 local_le_features.max_irk_list_size = cmn_vsc_cb.max_irk_list_sz;
759 local_le_features.rpa_offload_supported = cmn_vsc_cb.rpa_offloading;
760 local_le_features.scan_result_storage_size =
761 cmn_vsc_cb.tot_scan_results_strg;
762 local_le_features.activity_energy_info_supported =
763 cmn_vsc_cb.energy_support;
764 local_le_features.version_supported = cmn_vsc_cb.version_supported;
765 local_le_features.total_trackable_advertisers =
766 cmn_vsc_cb.total_trackable_advertisers;
767
768 local_le_features.extended_scan_support =
769 cmn_vsc_cb.extended_scan_support > 0;
770 local_le_features.debug_logging_supported =
771 cmn_vsc_cb.debug_logging_supported > 0;
772 memcpy(prop.val, &local_le_features, prop.len);
773 } else {
774 status = btif_storage_get_adapter_property(&prop);
775 }
776 HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, 1, &prop);
777 } break;
778
779 case BTIF_CORE_STORAGE_ADAPTER_READ_ALL: {
780 status = btif_in_get_adapter_properties();
781 } break;
782
783 case BTIF_CORE_STORAGE_NOTIFY_STATUS: {
784 HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, 0, NULL);
785 } break;
786
787 default:
788 BTIF_TRACE_ERROR("%s invalid event id (%d)", __func__, event);
789 break;
790 }
791 }
792
execute_storage_remote_request(uint16_t event,char * p_param)793 static void execute_storage_remote_request(uint16_t event, char* p_param) {
794 bt_status_t status = BT_STATUS_FAIL;
795 bt_property_t prop;
796
797 BTIF_TRACE_EVENT("execute storage remote request event : %d", event);
798
799 switch (event) {
800 case BTIF_CORE_STORAGE_REMOTE_READ: {
801 char buf[1024];
802 btif_storage_req_t* p_req = (btif_storage_req_t*)p_param;
803 prop.type = p_req->read_req.type;
804 prop.val = (void*)buf;
805 prop.len = sizeof(buf);
806
807 status = btif_storage_get_remote_device_property(
808 &(p_req->read_req.bd_addr), &prop);
809 HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status,
810 &(p_req->read_req.bd_addr), 1, &prop);
811 } break;
812 case BTIF_CORE_STORAGE_REMOTE_WRITE: {
813 btif_storage_req_t* p_req = (btif_storage_req_t*)p_param;
814 status = btif_storage_set_remote_device_property(
815 &(p_req->write_req.bd_addr), &(p_req->write_req.prop));
816 } break;
817 case BTIF_CORE_STORAGE_REMOTE_READ_ALL: {
818 btif_storage_req_t* p_req = (btif_storage_req_t*)p_param;
819 btif_in_get_remote_device_properties(&p_req->read_req.bd_addr);
820 } break;
821 }
822 }
823
btif_adapter_properties_evt(bt_status_t status,uint32_t num_props,bt_property_t * p_props)824 void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props,
825 bt_property_t* p_props) {
826 HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, num_props, p_props);
827 }
btif_remote_properties_evt(bt_status_t status,RawAddress * remote_addr,uint32_t num_props,bt_property_t * p_props)828 void btif_remote_properties_evt(bt_status_t status, RawAddress* remote_addr,
829 uint32_t num_props, bt_property_t* p_props) {
830 HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, remote_addr,
831 num_props, p_props);
832 }
833
834 /*******************************************************************************
835 *
836 * Function btif_in_storage_request_copy_cb
837 *
838 * Description Switch context callback function to perform the deep copy for
839 * both the adapter and remote_device property API
840 *
841 * Returns None
842 *
843 ******************************************************************************/
btif_in_storage_request_copy_cb(uint16_t event,char * p_new_buf,char * p_old_buf)844 static void btif_in_storage_request_copy_cb(uint16_t event, char* p_new_buf,
845 char* p_old_buf) {
846 btif_storage_req_t* new_req = (btif_storage_req_t*)p_new_buf;
847 btif_storage_req_t* old_req = (btif_storage_req_t*)p_old_buf;
848
849 BTIF_TRACE_EVENT("%s", __func__);
850 switch (event) {
851 case BTIF_CORE_STORAGE_REMOTE_WRITE:
852 case BTIF_CORE_STORAGE_ADAPTER_WRITE: {
853 new_req->write_req.bd_addr = old_req->write_req.bd_addr;
854 /* Copy the member variables one at a time */
855 new_req->write_req.prop.type = old_req->write_req.prop.type;
856 new_req->write_req.prop.len = old_req->write_req.prop.len;
857
858 new_req->write_req.prop.val =
859 (uint8_t*)(p_new_buf + sizeof(btif_storage_req_t));
860 memcpy(new_req->write_req.prop.val, old_req->write_req.prop.val,
861 old_req->write_req.prop.len);
862 } break;
863 }
864 }
865
866 /*******************************************************************************
867 *
868 * Function btif_get_adapter_properties
869 *
870 * Description Fetch all available properties (local & remote)
871 *
872 * Returns bt_status_t
873 *
874 ******************************************************************************/
875
btif_get_adapter_properties(void)876 bt_status_t btif_get_adapter_properties(void) {
877 BTIF_TRACE_EVENT("%s", __func__);
878
879 if (!btif_is_enabled()) return BT_STATUS_NOT_READY;
880
881 return btif_transfer_context(execute_storage_request,
882 BTIF_CORE_STORAGE_ADAPTER_READ_ALL, NULL, 0,
883 NULL);
884 }
885
886 /*******************************************************************************
887 *
888 * Function btif_get_adapter_property
889 *
890 * Description Fetches property value from local cache
891 *
892 * Returns bt_status_t
893 *
894 ******************************************************************************/
895
btif_get_adapter_property(bt_property_type_t type)896 bt_status_t btif_get_adapter_property(bt_property_type_t type) {
897 btif_storage_req_t req;
898
899 BTIF_TRACE_EVENT("%s %d", __func__, type);
900
901 /* Allow get_adapter_property only for BDADDR and BDNAME if BT is disabled */
902 if (!btif_is_enabled() && (type != BT_PROPERTY_BDADDR) &&
903 (type != BT_PROPERTY_BDNAME))
904 return BT_STATUS_NOT_READY;
905
906 req.read_req.bd_addr = RawAddress::kEmpty;
907 req.read_req.type = type;
908
909 return btif_transfer_context(execute_storage_request,
910 BTIF_CORE_STORAGE_ADAPTER_READ, (char*)&req,
911 sizeof(btif_storage_req_t), NULL);
912 }
913
914 /*******************************************************************************
915 *
916 * Function btif_set_adapter_property
917 *
918 * Description Updates core stack with property value and stores it in
919 * local cache
920 *
921 * Returns bt_status_t
922 *
923 ******************************************************************************/
924
btif_set_adapter_property(const bt_property_t * property)925 bt_status_t btif_set_adapter_property(const bt_property_t* property) {
926 btif_storage_req_t req;
927 bt_status_t status = BT_STATUS_SUCCESS;
928 int storage_req_id = BTIF_CORE_STORAGE_NOTIFY_STATUS; /* default */
929 char bd_name[BTM_MAX_LOC_BD_NAME_LEN + 1];
930 uint16_t name_len = 0;
931
932 BTIF_TRACE_EVENT("btif_set_adapter_property type: %d, len %d, 0x%x",
933 property->type, property->len, property->val);
934
935 if (!btif_is_enabled()) return BT_STATUS_NOT_READY;
936
937 switch (property->type) {
938 case BT_PROPERTY_BDNAME: {
939 name_len = property->len > BTM_MAX_LOC_BD_NAME_LEN
940 ? BTM_MAX_LOC_BD_NAME_LEN
941 : property->len;
942 memcpy(bd_name, property->val, name_len);
943 bd_name[name_len] = '\0';
944
945 BTIF_TRACE_EVENT("set property name : %s", (char*)bd_name);
946
947 BTA_DmSetDeviceName((char*)bd_name);
948
949 storage_req_id = BTIF_CORE_STORAGE_ADAPTER_WRITE;
950 } break;
951
952 case BT_PROPERTY_ADAPTER_SCAN_MODE: {
953 bt_scan_mode_t mode = *(bt_scan_mode_t*)property->val;
954 tBTA_DM_DISC disc_mode;
955 tBTA_DM_CONN conn_mode;
956
957 switch (mode) {
958 case BT_SCAN_MODE_NONE:
959 disc_mode = BTA_DM_NON_DISC;
960 conn_mode = BTA_DM_NON_CONN;
961 break;
962
963 case BT_SCAN_MODE_CONNECTABLE:
964 disc_mode = BTA_DM_NON_DISC;
965 conn_mode = BTA_DM_CONN;
966 break;
967
968 case BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE:
969 disc_mode = BTA_DM_GENERAL_DISC;
970 conn_mode = BTA_DM_CONN;
971 break;
972
973 default:
974 BTIF_TRACE_ERROR("invalid scan mode (0x%x)", mode);
975 return BT_STATUS_PARM_INVALID;
976 }
977
978 BTIF_TRACE_EVENT("set property scan mode : %x", mode);
979
980 BTA_DmSetVisibility(disc_mode, conn_mode, BTA_DM_IGNORE, BTA_DM_IGNORE);
981
982 storage_req_id = BTIF_CORE_STORAGE_ADAPTER_WRITE;
983 } break;
984 case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: {
985 /* Nothing to do beside store the value in NV. Java
986 will change the SCAN_MODE property after setting timeout,
987 if required */
988 storage_req_id = BTIF_CORE_STORAGE_ADAPTER_WRITE;
989 } break;
990 case BT_PROPERTY_BDADDR:
991 case BT_PROPERTY_UUIDS:
992 case BT_PROPERTY_ADAPTER_BONDED_DEVICES:
993 case BT_PROPERTY_REMOTE_FRIENDLY_NAME:
994 /* no write support through HAL, these properties are only populated from
995 * BTA events */
996 status = BT_STATUS_FAIL;
997 break;
998 default:
999 BTIF_TRACE_ERROR("btif_get_adapter_property : invalid type %d",
1000 property->type);
1001 status = BT_STATUS_FAIL;
1002 break;
1003 }
1004
1005 if (storage_req_id != BTIF_CORE_STORAGE_NO_ACTION) {
1006 /* pass on to storage for updating local database */
1007
1008 req.write_req.bd_addr = RawAddress::kEmpty;
1009 memcpy(&(req.write_req.prop), property, sizeof(bt_property_t));
1010
1011 return btif_transfer_context(execute_storage_request, storage_req_id,
1012 (char*)&req,
1013 sizeof(btif_storage_req_t) + property->len,
1014 btif_in_storage_request_copy_cb);
1015 }
1016
1017 return status;
1018 }
1019
1020 /*******************************************************************************
1021 *
1022 * Function btif_get_remote_device_property
1023 *
1024 * Description Fetches the remote device property from the NVRAM
1025 *
1026 * Returns bt_status_t
1027 *
1028 ******************************************************************************/
btif_get_remote_device_property(RawAddress * remote_addr,bt_property_type_t type)1029 bt_status_t btif_get_remote_device_property(RawAddress* remote_addr,
1030 bt_property_type_t type) {
1031 btif_storage_req_t req;
1032
1033 if (!btif_is_enabled()) return BT_STATUS_NOT_READY;
1034
1035 req.read_req.bd_addr = *remote_addr;
1036 req.read_req.type = type;
1037 return btif_transfer_context(execute_storage_remote_request,
1038 BTIF_CORE_STORAGE_REMOTE_READ, (char*)&req,
1039 sizeof(btif_storage_req_t), NULL);
1040 }
1041
1042 /*******************************************************************************
1043 *
1044 * Function btif_get_remote_device_properties
1045 *
1046 * Description Fetches all the remote device properties from NVRAM
1047 *
1048 * Returns bt_status_t
1049 *
1050 ******************************************************************************/
btif_get_remote_device_properties(RawAddress * remote_addr)1051 bt_status_t btif_get_remote_device_properties(RawAddress* remote_addr) {
1052 btif_storage_req_t req;
1053
1054 if (!btif_is_enabled()) return BT_STATUS_NOT_READY;
1055
1056 req.read_req.bd_addr = *remote_addr;
1057 return btif_transfer_context(execute_storage_remote_request,
1058 BTIF_CORE_STORAGE_REMOTE_READ_ALL, (char*)&req,
1059 sizeof(btif_storage_req_t), NULL);
1060 }
1061
1062 /*******************************************************************************
1063 *
1064 * Function btif_set_remote_device_property
1065 *
1066 * Description Writes the remote device property to NVRAM.
1067 * Currently, BT_PROPERTY_REMOTE_FRIENDLY_NAME is the only
1068 * remote device property that can be set
1069 *
1070 * Returns bt_status_t
1071 *
1072 ******************************************************************************/
btif_set_remote_device_property(RawAddress * remote_addr,const bt_property_t * property)1073 bt_status_t btif_set_remote_device_property(RawAddress* remote_addr,
1074 const bt_property_t* property) {
1075 btif_storage_req_t req;
1076
1077 if (!btif_is_enabled()) return BT_STATUS_NOT_READY;
1078
1079 req.write_req.bd_addr = *remote_addr;
1080 memcpy(&(req.write_req.prop), property, sizeof(bt_property_t));
1081
1082 return btif_transfer_context(execute_storage_remote_request,
1083 BTIF_CORE_STORAGE_REMOTE_WRITE, (char*)&req,
1084 sizeof(btif_storage_req_t) + property->len,
1085 btif_in_storage_request_copy_cb);
1086 }
1087
1088 /*******************************************************************************
1089 *
1090 * Function btif_get_remote_service_record
1091 *
1092 * Description Looks up the service matching uuid on the remote device
1093 * and fetches the SCN and service_name if the UUID is found
1094 *
1095 * Returns bt_status_t
1096 *
1097 ******************************************************************************/
btif_get_remote_service_record(RawAddress * remote_addr,bt_uuid_t * uuid)1098 bt_status_t btif_get_remote_service_record(RawAddress* remote_addr,
1099 bt_uuid_t* uuid) {
1100 if (!btif_is_enabled()) return BT_STATUS_NOT_READY;
1101
1102 return btif_dm_get_remote_service_record(remote_addr, uuid);
1103 }
1104
1105 /*******************************************************************************
1106 *
1107 * Function btif_get_enabled_services_mask
1108 *
1109 * Description Fetches currently enabled services
1110 *
1111 * Returns tBTA_SERVICE_MASK
1112 *
1113 ******************************************************************************/
1114
btif_get_enabled_services_mask(void)1115 tBTA_SERVICE_MASK btif_get_enabled_services_mask(void) {
1116 return btif_enabled_services;
1117 }
1118
1119 /*******************************************************************************
1120 *
1121 * Function btif_enable_service
1122 *
1123 * Description Enables the service 'service_ID' to the service_mask.
1124 * Upon BT enable, BTIF core shall invoke the BTA APIs to
1125 * enable the profiles
1126 *
1127 * Returns bt_status_t
1128 *
1129 ******************************************************************************/
btif_enable_service(tBTA_SERVICE_ID service_id)1130 bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id) {
1131 tBTA_SERVICE_ID* p_id = &service_id;
1132
1133 /* If BT is enabled, we need to switch to BTIF context and trigger the
1134 * enable for that profile
1135 *
1136 * Otherwise, we just set the flag. On BT_Enable, the DM will trigger
1137 * enable for the profiles that have been enabled */
1138
1139 btif_enabled_services |= (1 << service_id);
1140
1141 BTIF_TRACE_DEBUG("%s: current services:0x%x", __func__,
1142 btif_enabled_services);
1143
1144 if (btif_is_enabled()) {
1145 btif_transfer_context(btif_dm_execute_service_request,
1146 BTIF_DM_ENABLE_SERVICE, (char*)p_id,
1147 sizeof(tBTA_SERVICE_ID), NULL);
1148 }
1149
1150 return BT_STATUS_SUCCESS;
1151 }
1152 /*******************************************************************************
1153 *
1154 * Function btif_disable_service
1155 *
1156 * Description Disables the service 'service_ID' to the service_mask.
1157 * Upon BT disable, BTIF core shall invoke the BTA APIs to
1158 * disable the profiles
1159 *
1160 * Returns bt_status_t
1161 *
1162 ******************************************************************************/
btif_disable_service(tBTA_SERVICE_ID service_id)1163 bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id) {
1164 tBTA_SERVICE_ID* p_id = &service_id;
1165
1166 /* If BT is enabled, we need to switch to BTIF context and trigger the
1167 * disable for that profile so that the appropriate uuid_property_changed will
1168 * be triggerred. Otherwise, we just need to clear the service_id in the mask
1169 */
1170
1171 btif_enabled_services &= (tBTA_SERVICE_MASK)(~(1 << service_id));
1172
1173 BTIF_TRACE_DEBUG("%s: Current Services:0x%x", __func__,
1174 btif_enabled_services);
1175
1176 if (btif_is_enabled()) {
1177 btif_transfer_context(btif_dm_execute_service_request,
1178 BTIF_DM_DISABLE_SERVICE, (char*)p_id,
1179 sizeof(tBTA_SERVICE_ID), NULL);
1180 }
1181
1182 return BT_STATUS_SUCCESS;
1183 }
1184
btif_jni_associate()1185 static void btif_jni_associate() {
1186 BTIF_TRACE_DEBUG("%s Associating thread to JVM", __func__);
1187 HAL_CBACK(bt_hal_cbacks, thread_evt_cb, ASSOCIATE_JVM);
1188 }
1189
btif_jni_disassociate()1190 static void btif_jni_disassociate() {
1191 BTIF_TRACE_DEBUG("%s Disassociating thread from JVM", __func__);
1192 HAL_CBACK(bt_hal_cbacks, thread_evt_cb, DISASSOCIATE_JVM);
1193 bt_hal_cbacks = NULL;
1194 }
1195