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Commit 2d464e6f authored by Jakub Pawlowski's avatar Jakub Pawlowski Committed by Jakub Pawłowski
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LE Audio: metadata parsing in native 

If METADATA_LE_AUDIO is present, device is LE Audio capable.
Value format is unspecified yet, will be adjusted as needed during
further development.

Bug: 258651822
Test: compilation
Change-Id: I79233c7a953e915eafd569d5d41509670f90676b
parent d3bb7468

system/btif/src/btif_dm.cc

+22 −4
Original line number Diff line number Diff line
@@ -67,6 +67,7 @@ 
#include "btif_sdp.h"

#include "btif_storage.h"

#include "btif_util.h"

#include "common/lru.h"

#include "common/metrics.h"

#include "device/include/controller.h"

#include "device/include/interop.h"
@@ -192,6 +193,10 @@ typedef struct { 


typedef struct { unsigned int manufact_id; } skip_sdp_entry_t;



typedef struct {

  bluetooth::common::LruCache<RawAddress, std::vector<uint8_t>> le_audio_cache;

} btif_dm_metadata_cb_t;



typedef enum {

  BTIF_DM_FUNC_CREATE_BOND,

  BTIF_DM_FUNC_CANCEL_BOND,
@@ -246,6 +251,7 @@ static void btif_dm_remove_ble_bonding_keys(void); 
static void btif_dm_save_ble_bonding_keys(RawAddress& bd_addr);

static btif_dm_pairing_cb_t pairing_cb;

static btif_dm_oob_cb_t oob_cb;

static btif_dm_metadata_cb_t metadata_cb{.le_audio_cache{40}};

static void btif_dm_cb_create_bond(const RawAddress bd_addr,

                                   tBT_TRANSPORT transport);

static void btif_update_remote_properties(const RawAddress& bd_addr,
@@ -652,6 +658,7 @@ static bool is_device_le_audio_capable(const RawAddress bd_addr) { 
  if (!GetInterfaceToProfiles()

           ->profileSpecific_HACK->IsLeAudioClientRunning() ||

      !check_cod_le_audio(bd_addr)) {

    /* If LE Audio profile is not enabled, do nothing. */

    return false;

  }
@@ -659,6 +666,9 @@ static bool is_device_le_audio_capable(const RawAddress bd_addr) { 
  tBLE_ADDR_TYPE addr_type = BLE_ADDR_PUBLIC;

  BTM_ReadDevInfo(bd_addr, &tmp_dev_type, &addr_type);

  if (tmp_dev_type & BT_DEVICE_TYPE_BLE) {

    /* LE Audio capable device is discoverable over both LE and Classic using

     * same address. Prefer to use LE transport, as we don't know if it can do

     * CTKD from Classic to LE */

    return true;

  }
@@ -681,7 +691,7 @@ static void btif_dm_cb_create_bond(const RawAddress bd_addr, 
  bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_BONDING);



  if (transport == BT_TRANSPORT_AUTO && is_device_le_audio_capable(bd_addr)) {

    LOG_INFO("LE Audio && advertising over LE, use LE transport for Bonding");

    LOG_INFO("LE Audio capable, forcing LE transport for Bonding");

    transport = BT_TRANSPORT_LE;

  }
@@ -1536,7 +1546,8 @@ static void btif_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, 
              ->profileSpecific_HACK->IsLeAudioClientRunning() &&

          pairing_cb.gatt_over_le !=

              btif_dm_pairing_cb_t::ServiceDiscoveryState::FINISHED &&

          check_cod_le_audio(bd_addr)) {

          (check_cod_le_audio(bd_addr) ||

           metadata_cb.le_audio_cache.contains(bd_addr))) {

        skip_reporting_wait_for_le = true;

      }
@@ -1591,7 +1602,7 @@ static void btif_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, 
        if (skip_reporting_wait_for_le) {

          LOG_INFO(

              "Bonding LE Audio sink - must wait for le services discovery "

              "to pass all services to java %s:",

              "to pass all services to java %s",

              PRIVATE_ADDRESS(bd_addr));

          /* For LE Audio capable devices, we care more about passing GATT LE

           * services than about just finishing pairing. Service discovery
@@ -3702,4 +3713,11 @@ void btif_dm_set_event_filter_inquiry_result_all_devices() { 
}



void btif_dm_metadata_changed(const RawAddress& remote_bd_addr, int key,

                              std::vector<uint8_t> value) {}
 
                              std::vector<uint8_t> value) {

  static const int METADATA_LE_AUDIO = 26;

  /* If METADATA_LE_AUDIO is present, device is LE Audio capable */

  if (key == METADATA_LE_AUDIO) {

    LOG_INFO("Device is LE Audio Capable %s", PRIVATE_ADDRESS(remote_bd_addr));

    metadata_cb.le_audio_cache.insert_or_assign(remote_bd_addr, value);

  }

}