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/******************************************************************************
*
* Copyright 2003-2014 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This is the API implementation file for the BTA device manager.
*
******************************************************************************/
#include <base/bind.h>
#include <vector>
#include "bt_target.h" // Must be first to define build configuration
#include "bta/dm/bta_dm_int.h"
#include "osi/include/allocator.h"
#include "stack/btm/btm_sec.h"
#include "stack/include/btm_api.h"
#include "stack/include/btu.h" // do_in_main_thread
#include "types/bluetooth/uuid.h"
#include "types/raw_address.h"
using bluetooth::Uuid;
/*****************************************************************************
* Constants
****************************************************************************/
static const tBTA_SYS_REG bta_dm_search_reg = {bta_dm_search_sm_execute,
bta_dm_search_sm_disable};
void BTA_dm_init() {
bta_sys_register(BTA_ID_DM_SEARCH, &bta_dm_search_reg);
/* if UUID list is not provided as static data */
bta_sys_eir_register(bta_dm_eir_update_uuid);
bta_sys_cust_eir_register(bta_dm_eir_update_cust_uuid);
}
/** Enables bluetooth device under test mode */
void BTA_EnableTestMode(void) {
do_in_main_thread(FROM_HERE,
base::Bind(base::IgnoreResult(BTM_EnableTestMode)));
}
/** This function sets the Bluetooth name of local device */
void BTA_DmSetDeviceName(char* p_name) {
std::vector<uint8_t> name(BD_NAME_LEN + 1);
strlcpy((char*)name.data(), p_name, BD_NAME_LEN + 1);
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_set_dev_name, name));
}
/*******************************************************************************
*
* Function BTA_DmSearch
*
* Description This function searches for peer Bluetooth devices. It
* performs an inquiry and gets the remote name for devices.
* Service discovery is done if services is non zero
*
*
* Returns void
*
******************************************************************************/
void BTA_DmSearch(tBTA_DM_SEARCH_CBACK* p_cback, bool is_bonding_or_sdp) {
tBTA_DM_API_SEARCH* p_msg =
(tBTA_DM_API_SEARCH*)osi_calloc(sizeof(tBTA_DM_API_SEARCH));
/* Queue request if a device is bonding or performing service discovery */
if (is_bonding_or_sdp) {
p_msg->hdr.event = BTA_DM_API_QUEUE_SEARCH_EVT;
} else {
p_msg->hdr.event = BTA_DM_API_SEARCH_EVT;
}
p_msg->p_cback = p_cback;
bta_sys_sendmsg(p_msg);
}
/*******************************************************************************
*
* Function BTA_DmSearchCancel
*
* Description This function cancels a search initiated by BTA_DmSearch
*
*
* Returns void
*
******************************************************************************/
void BTA_DmSearchCancel(void) {
switch (bta_dm_search_get_state()) {
case BTA_DM_SEARCH_IDLE:
bta_dm_search_cancel_notify();
break;
case BTA_DM_SEARCH_ACTIVE:
bta_dm_search_set_state(BTA_DM_SEARCH_CANCELLING);
bta_dm_search_cancel();
break;
case BTA_DM_SEARCH_CANCELLING:
bta_dm_search_clear_queue();
bta_dm_search_cancel_notify();
break;
case BTA_DM_DISCOVER_ACTIVE:
bta_dm_search_set_state(BTA_DM_SEARCH_CANCELLING);
bta_dm_search_cancel_notify();
break;
}
}
/*******************************************************************************
*
* Function BTA_DmDiscover
*
* Description This function does service discovery for services of a
* peer device
*
*
* Returns void
*
******************************************************************************/
void BTA_DmDiscover(const RawAddress& bd_addr, tBTA_DM_SEARCH_CBACK* p_cback,
tBT_TRANSPORT transport, bool is_bonding_or_sdp) {
tBTA_DM_API_DISCOVER* p_msg =
(tBTA_DM_API_DISCOVER*)osi_calloc(sizeof(tBTA_DM_API_DISCOVER));
if (is_bonding_or_sdp) {
p_msg->hdr.event = BTA_DM_API_QUEUE_DISCOVER_EVT;
} else {
p_msg->hdr.event = BTA_DM_API_DISCOVER_EVT;
}
p_msg->bd_addr = bd_addr;
p_msg->transport = transport;
p_msg->p_cback = p_cback;
bta_sys_sendmsg(p_msg);
}
/** This function initiates a bonding procedure with a peer device */
void BTA_DmBond(const RawAddress& bd_addr, tBLE_ADDR_TYPE addr_type,
tBT_TRANSPORT transport, int device_type) {
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_bond, bd_addr, addr_type,
transport, device_type));
}
/** This function cancels the bonding procedure with a peer device
*/
void BTA_DmBondCancel(const RawAddress& bd_addr) {
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_bond_cancel, bd_addr));
}
/*******************************************************************************
*
* Function BTA_DmPinReply
*
* Description This function provides a pincode for a remote device when
* one is requested by DM through BTA_DM_PIN_REQ_EVT
*
*
* Returns void
*
******************************************************************************/
void BTA_DmPinReply(const RawAddress& bd_addr, bool accept, uint8_t pin_len,
uint8_t* p_pin) {
std::unique_ptr<tBTA_DM_API_PIN_REPLY> msg =
std::make_unique<tBTA_DM_API_PIN_REPLY>();
msg->bd_addr = bd_addr;
msg->accept = accept;
if (accept) {
msg->pin_len = pin_len;
memcpy(msg->p_pin, p_pin, pin_len);
}
do_in_main_thread(FROM_HERE,
base::Bind(bta_dm_pin_reply, base::Passed(&msg)));
}
/*******************************************************************************
*
* Function BTA_DmLocalOob
*
* Description This function retrieves the OOB data from local controller.
* The result is reported by:
* - bta_dm_co_loc_oob_ext() if device supports secure
* connections (SC)
* - bta_dm_co_loc_oob() if device doesn't support SC
*
* Returns void
*
******************************************************************************/
void BTA_DmLocalOob(void) {
do_in_main_thread(FROM_HERE, base::Bind(BTM_ReadLocalOobData));
}
/*******************************************************************************
*
* Function BTA_DmConfirm
*
* Description This function accepts or rejects the numerical value of the
* Simple Pairing process on BTA_DM_SP_CFM_REQ_EVT
*
* Returns void
*
******************************************************************************/
void BTA_DmConfirm(const RawAddress& bd_addr, bool accept) {
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_confirm, bd_addr, accept));
}
/*******************************************************************************
*
* Function BTA_DmAddDevice
*
* Description This function adds a device to the security database list of
* peer device
*
*
* Returns void
*
******************************************************************************/
void BTA_DmAddDevice(const RawAddress& bd_addr, DEV_CLASS dev_class,
const LinkKey& link_key, uint8_t key_type,
uint8_t pin_length) {
std::unique_ptr<tBTA_DM_API_ADD_DEVICE> msg =
std::make_unique<tBTA_DM_API_ADD_DEVICE>();
msg->bd_addr = bd_addr;
msg->link_key_known = true;
msg->key_type = key_type;
msg->link_key = link_key;
/* Load device class if specified */
if (dev_class) {
msg->dc_known = true;
memcpy(msg->dc, dev_class, DEV_CLASS_LEN);
}
memset(msg->bd_name, 0, BD_NAME_LEN + 1);
msg->pin_length = pin_length;
do_in_main_thread(FROM_HERE,
base::Bind(bta_dm_add_device, base::Passed(&msg)));
}
/** This function removes a device fromthe security database list of peer
* device. It manages unpairing even while connected */
tBTA_STATUS BTA_DmRemoveDevice(const RawAddress& bd_addr) {
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_remove_device, bd_addr));
return BTA_SUCCESS;
}
/*******************************************************************************
*
* Function BTA_GetEirService
*
* Description This function is called to get BTA service mask from EIR.
*
* Parameters p_eir - pointer of EIR significant part
* p_services - return the BTA service mask
*
* Returns None
*
******************************************************************************/
extern const uint16_t bta_service_id_to_uuid_lkup_tbl[];
void BTA_GetEirService(uint8_t* p_eir, size_t eir_len,
tBTA_SERVICE_MASK* p_services) {
uint8_t xx, yy;
uint8_t num_uuid, max_num_uuid = 32;
uint8_t uuid_list[32 * Uuid::kNumBytes16];
uint16_t* p_uuid16 = (uint16_t*)uuid_list;
tBTA_SERVICE_MASK mask;
BTM_GetEirUuidList(p_eir, eir_len, Uuid::kNumBytes16, &num_uuid, uuid_list,
max_num_uuid);
for (xx = 0; xx < num_uuid; xx++) {
mask = 1;
for (yy = 0; yy < BTA_MAX_SERVICE_ID; yy++) {
if (*(p_uuid16 + xx) == bta_service_id_to_uuid_lkup_tbl[yy]) {
*p_services |= mask;
break;
}
mask <<= 1;
}
/* for HSP v1.2 only device */
if (*(p_uuid16 + xx) == UUID_SERVCLASS_HEADSET_HS)
*p_services |= BTA_HSP_SERVICE_MASK;
if (*(p_uuid16 + xx) == UUID_SERVCLASS_HDP_SOURCE)
*p_services |= BTA_HL_SERVICE_MASK;
if (*(p_uuid16 + xx) == UUID_SERVCLASS_HDP_SINK)
*p_services |= BTA_HL_SERVICE_MASK;
}
}
/*******************************************************************************
*
* Function BTA_AddEirUuid
*
* Description Request to add a service class UID to the local
* device's EIR data.
*
* Parameters uuid16 - The service class UUID you wish to add
*
* Returns void
*
******************************************************************************/
void BTA_AddEirUuid(uint16_t uuid16) {
APPL_TRACE_API("%s: %d", __func__, uuid16);
bta_sys_add_uuid(uuid16);
}
/*******************************************************************************
*
* Function BTA_RemoveEirUuid
*
* Description Request to remove a service class UID from the local
* device's EIR data.
*
* Parameters uuid16 - The service class UUID you wish to remove
*
* Returns void
*
******************************************************************************/
void BTA_RemoveEirUuid(uint16_t uuid16) {
APPL_TRACE_API("%s: %d", __func__, uuid16);
bta_sys_remove_uuid(uuid16);
}
/*******************************************************************************
*
* Function BTA_DmGetConnectionState
*
* Description Returns whether the remote device is currently connected.
*
* Returns 0 if the device is NOT connected.
*
******************************************************************************/
bool BTA_DmGetConnectionState(const RawAddress& bd_addr) {
tBTA_DM_PEER_DEVICE* p_dev = bta_dm_find_peer_device(bd_addr);
return (p_dev && p_dev->conn_state == BTA_DM_CONNECTED);
}
/*******************************************************************************
* Device Identification (DI) Server Functions
******************************************************************************/
/*******************************************************************************
*
* Function BTA_DmSetLocalDiRecord
*
* Description This function adds a DI record to the local SDP database.
*
* Returns BTA_SUCCESS if record set sucessfully, otherwise error code.
*
******************************************************************************/
tBTA_STATUS BTA_DmSetLocalDiRecord(tSDP_DI_RECORD* p_device_info,
uint32_t* p_handle) {
tBTA_STATUS status = BTA_FAILURE;
if (bta_dm_di_cb.di_num < BTA_DI_NUM_MAX) {
if (SDP_SetLocalDiRecord((tSDP_DI_RECORD*)p_device_info, p_handle) ==
SDP_SUCCESS) {
if (!p_device_info->primary_record) {
bta_dm_di_cb.di_handle[bta_dm_di_cb.di_num] = *p_handle;
bta_dm_di_cb.di_num++;
}
bta_sys_add_uuid(UUID_SERVCLASS_PNP_INFORMATION);
status = BTA_SUCCESS;
}
}
return status;
}
/*******************************************************************************
*
* Function BTA_DmAddBleKey
*
* Description Add/modify LE device information. This function will be
* normally called during host startup to restore all required
* information stored in the NVRAM.
*
* Parameters: bd_addr - BD address of the peer
* p_le_key - LE key values.
* key_type - LE SMP key type.
*
* Returns BTA_SUCCESS if successful
* BTA_FAIL if operation failed.
*
******************************************************************************/
void BTA_DmAddBleKey(const RawAddress& bd_addr, tBTA_LE_KEY_VALUE* p_le_key,
tBTM_LE_KEY_TYPE key_type) {
do_in_main_thread(
FROM_HERE, base::Bind(bta_dm_add_blekey, bd_addr, *p_le_key, key_type));
}
/*******************************************************************************
*
* Function BTA_DmAddBleDevice
*
* Description Add a BLE device. This function will be normally called
* during host startup to restore all required information
* for a LE device stored in the NVRAM.
*
* Parameters: bd_addr - BD address of the peer
* dev_type - Remote device's device type.
* addr_type - LE device address type.
*
* Returns void
*
******************************************************************************/
void BTA_DmAddBleDevice(const RawAddress& bd_addr, tBLE_ADDR_TYPE addr_type,
tBT_DEVICE_TYPE dev_type) {
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_add_ble_device, bd_addr,
addr_type, dev_type));
}
/*******************************************************************************
*
* Function BTA_DmBlePasskeyReply
*
* Description Send BLE SMP passkey reply.
*
* Parameters: bd_addr - BD address of the peer
* accept - passkey entry sucessful or declined.
* passkey - passkey value, must be a 6 digit number,
* can be lead by 0.
*
* Returns void
*
******************************************************************************/
void BTA_DmBlePasskeyReply(const RawAddress& bd_addr, bool accept,
uint32_t passkey) {
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_ble_passkey_reply, bd_addr,
accept, accept ? passkey : 0));
}
/*******************************************************************************
*
* Function BTA_DmBleConfirmReply
*
* Description Send BLE SMP SC user confirmation reply.
*
* Parameters: bd_addr - BD address of the peer
* accept - numbers to compare are the same or
* different.
*
* Returns void
*
******************************************************************************/
void BTA_DmBleConfirmReply(const RawAddress& bd_addr, bool accept) {
do_in_main_thread(FROM_HERE,
base::Bind(bta_dm_ble_confirm_reply, bd_addr, accept));
}
/*******************************************************************************
*
* Function BTA_DmBleSecurityGrant
*
* Description Grant security request access.
*
* Parameters: bd_addr - BD address of the peer
* res - security grant status.
*
* Returns void
*
******************************************************************************/
void BTA_DmBleSecurityGrant(const RawAddress& bd_addr,
tBTA_DM_BLE_SEC_GRANT res) {
do_in_main_thread(FROM_HERE, base::Bind(BTM_SecurityGrant, bd_addr, res));
}
/*******************************************************************************
*
* Function BTA_DmSetBlePrefConnParams
*
* Description This function is called to set the preferred connection
* parameters when default connection parameter is not desired.
*
* Parameters: bd_addr - BD address of the peripheral
* scan_interval - scan interval
* scan_window - scan window
* min_conn_int - minimum preferred connection interval
* max_conn_int - maximum preferred connection interval
* peripheral_latency - preferred peripheral latency
* supervision_tout - preferred supervision timeout
*
*
* Returns void
*
******************************************************************************/
void BTA_DmSetBlePrefConnParams(const RawAddress& bd_addr,
uint16_t min_conn_int, uint16_t max_conn_int,
uint16_t peripheral_latency,
uint16_t supervision_tout) {
do_in_main_thread(
FROM_HERE,
base::Bind(bta_dm_ble_set_conn_params, bd_addr, min_conn_int,
max_conn_int, peripheral_latency, supervision_tout));
}
/*******************************************************************************
*
* Function BTA_DmBleUpdateConnectionParam
*
* Description Update connection parameters, can only be used when
* connection is up.
*
* Parameters: bd_addr - BD address of the peer
* min_int - minimum connection interval,
* [0x0004 ~ 0x4000]
* max_int - maximum connection interval,
* [0x0004 ~ 0x4000]
* latency - peripheral latency [0 ~ 500]
* timeout - supervision timeout [0x000a ~ 0xc80]
*
* Returns void
*
******************************************************************************/
void BTA_DmBleUpdateConnectionParams(const RawAddress& bd_addr,
uint16_t min_int, uint16_t max_int,
uint16_t latency, uint16_t timeout,
uint16_t min_ce_len, uint16_t max_ce_len) {
do_in_main_thread(
FROM_HERE, base::Bind(bta_dm_ble_update_conn_params, bd_addr, min_int,
max_int, latency, timeout, min_ce_len, max_ce_len));
}
/*******************************************************************************
*
* Function BTA_DmBleConfigLocalPrivacy
*
* Description Enable/disable privacy on the local device
*
* Parameters: privacy_enable - enable/disabe privacy on remote device.
*
* Returns void
*
******************************************************************************/
void BTA_DmBleConfigLocalPrivacy(bool privacy_enable) {
#if (BLE_PRIVACY_SPT == TRUE)
do_in_main_thread(
FROM_HERE, base::Bind(bta_dm_ble_config_local_privacy, privacy_enable));
#else
UNUSED(privacy_enable);
#endif
}
/*******************************************************************************
*
* Function BTA_DmBleGetEnergyInfo
*
* Description This function is called to obtain the energy info
*
* Parameters p_cmpl_cback - Command complete callback
*
* Returns void
*
******************************************************************************/
void BTA_DmBleGetEnergyInfo(tBTA_BLE_ENERGY_INFO_CBACK* p_cmpl_cback) {
do_in_main_thread(FROM_HERE,
base::Bind(bta_dm_ble_get_energy_info, p_cmpl_cback));
}
/** This function is to set maximum LE data packet size */
void BTA_DmBleRequestMaxTxDataLength(const RawAddress& remote_device) {
do_in_main_thread(FROM_HERE,
base::Bind(bta_dm_ble_set_data_length, remote_device));
}
/*******************************************************************************
*
* Function BTA_DmSetEncryption
*
* Description This function is called to ensure that connection is
* encrypted. Should be called only on an open connection.
* Typically only needed for connections that first want to
* bring up unencrypted links, then later encrypt them.
*
* Parameters: bd_addr - Address of the peer device
* transport - transport of the link to be encruypted
* p_callback - Pointer to callback function to indicat the
* link encryption status
* sec_act - This is the security action to indicate
* what kind of BLE security level is required
* for the BLE link if BLE is supported.
* Note: This parameter is ignored for the
* BR/EDR or if BLE is not supported.
*
* Returns void
*
******************************************************************************/
void BTA_DmSetEncryption(const RawAddress& bd_addr, tBT_TRANSPORT transport,
tBTA_DM_ENCRYPT_CBACK* p_callback,
tBTM_BLE_SEC_ACT sec_act) {
APPL_TRACE_API("%s", __func__);
do_in_main_thread(FROM_HERE, base::Bind(bta_dm_set_encryption, bd_addr,
transport, p_callback, sec_act));
}
/*******************************************************************************
*
* Function BTA_DmCloseACL
*
* Description This function force to close an ACL connection and remove
* the device from the security database list of known devices.
*
* Parameters: bd_addr - Address of the peer device
* remove_dev - remove device or not after link down
*
* Returns void
*
******************************************************************************/
void BTA_DmCloseACL(const RawAddress& bd_addr, bool remove_dev,
tBT_TRANSPORT transport) {
do_in_main_thread(
FROM_HERE, base::Bind(bta_dm_close_acl, bd_addr, remove_dev, transport));
}
/*******************************************************************************
*
* Function BTA_DmBleObserve
*
* Description This procedure keep the device listening for advertising
* events from a broadcast device.
*
* Parameters start: start or stop observe.
*
* Returns void
*
* Returns void.
*
******************************************************************************/
extern void BTA_DmBleObserve(bool start, uint8_t duration,
tBTA_DM_SEARCH_CBACK* p_results_cb) {
APPL_TRACE_API("%s:start = %d ", __func__, start);
do_in_main_thread(
FROM_HERE, base::Bind(bta_dm_ble_observe, start, duration, p_results_cb));
}
/*******************************************************************************
*
* Function BTA_VendorInit
*
* Description This function initializes vendor specific
*
* Returns void
*
******************************************************************************/
void BTA_VendorInit(void) { APPL_TRACE_API("BTA_VendorInit"); }