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Commit 4c4d21ec authored by Qasim Javed's avatar Qasim Javed Committed by Automerger Merge Worker
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Save UUIDs using properties rather than the pairing_cb_t am: 1ecc7c64 

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/19609315



Change-Id: Ic4eb8ac0a7e99e6d46c760bc57c05a5f8674cadb
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents f6b7952d 1ecc7c64

system/btif/src/btif_dm.cc

+61 −18
Original line number Diff line number Diff line
@@ -1355,6 +1355,14 @@ static bool btif_is_interesting_le_service(bluetooth::Uuid uuid) { 
          uuid == UUID_BATTERY);

}



static void btif_get_existing_uuids(RawAddress* bd_addr, Uuid* existing_uuids) {

  bt_property_t tmp_prop;

  BTIF_STORAGE_FILL_PROPERTY(&tmp_prop, BT_PROPERTY_UUIDS,

                             sizeof(existing_uuids), existing_uuids);



  btif_storage_get_remote_device_property(bd_addr, &tmp_prop);

}



/*******************************************************************************

 *

 * Function         btif_dm_search_services_evt
@@ -1372,6 +1380,7 @@ static void btif_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, 
      uint32_t i = 0;

      bt_status_t ret;

      std::vector<uint8_t> property_value;

      std::set<Uuid> uuids;



      RawAddress& bd_addr = p_data->disc_res.bd_addr;
@@ -1393,18 +1402,37 @@ static void btif_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, 
      prop.len = 0;

      if ((p_data->disc_res.result == BTA_SUCCESS) &&

          (p_data->disc_res.num_uuids > 0)) {

        LOG_INFO("New UUIDs:");

        LOG_INFO("New UUIDs for %s:", bd_addr.ToString().c_str());

        for (i = 0; i < p_data->disc_res.num_uuids; i++) {

          auto uuid = p_data->disc_res.p_uuid_list + i;

          if (uuid->IsEmpty()) {

            continue;

          }

          LOG_INFO("index:%d uuid:%s", i, uuid->ToString().c_str());

          auto valAsBe = uuid->To128BitBE();

          pairing_cb.uuids.insert(valAsBe);

          uuids.insert(*uuid);

        }



        Uuid existing_uuids[BT_MAX_NUM_UUIDS] = {};

        btif_get_existing_uuids(&bd_addr, existing_uuids);



        for (int i = 0; i < BT_MAX_NUM_UUIDS; i++) {

          Uuid uuid = existing_uuids[i];

          if (uuid.IsEmpty()) {

            continue;

          }

          if (btif_is_interesting_le_service(uuid)) {

            LOG_INFO("interesting le service %s insert",

                     uuid.ToString().c_str());

            uuids.insert(uuid);

          }

        for (auto uuid : pairing_cb.uuids) {

          property_value.insert(property_value.end(), uuid.begin(), uuid.end());

        }

        for (auto& uuid : uuids) {

          auto uuid_128bit = uuid.To128BitBE();

          property_value.insert(property_value.end(), uuid_128bit.begin(),

                                uuid_128bit.end());

        }

        prop.val = (void*)property_value.data();

        prop.len = Uuid::kNumBytes128 * pairing_cb.uuids.size();

        prop.len = Uuid::kNumBytes128 * uuids.size();

      }



      /* onUuidChanged requires getBondedDevices to be populated.
@@ -1469,30 +1497,45 @@ static void btif_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, 
      int num_properties = 0;

      bt_property_t prop[2];

      std::vector<uint8_t> property_value;

      int num_uuids = 0;

      std::set<Uuid> uuids;

      RawAddress& bd_addr = p_data->disc_ble_res.bd_addr;



      LOG_INFO("New BLE UUIDs:");

      LOG_INFO("New BLE UUIDs for %s:", bd_addr.ToString().c_str());

      for (Uuid uuid : *p_data->disc_ble_res.services) {

        LOG_INFO("index:%d uuid:%s", num_uuids, uuid.ToString().c_str());

        if (btif_is_interesting_le_service(uuid)) {

          num_uuids++;

          auto valAsBe = uuid.To128BitBE();

          pairing_cb.uuids.insert(valAsBe);

          if (uuid.IsEmpty()) {

            continue;

          }

          LOG_INFO("index:%d uuid:%s", static_cast<int>(uuids.size()),

                   uuid.ToString().c_str());

          uuids.insert(uuid);

        }

      for (auto uuid : pairing_cb.uuids) {

        property_value.insert(property_value.end(), uuid.begin(), uuid.end());

      }



      if (num_uuids == 0) {

      if (uuids.empty()) {

        LOG_INFO("No well known BLE services discovered");

        return;

      }



      RawAddress& bd_addr = p_data->disc_ble_res.bd_addr;

      Uuid existing_uuids[BT_MAX_NUM_UUIDS] = {};

      btif_get_existing_uuids(&bd_addr, existing_uuids);

      for (int i = 0; i < BT_MAX_NUM_UUIDS; i++) {

        Uuid uuid = existing_uuids[i];

        if (uuid.IsEmpty()) {

          continue;

        }

        uuids.insert(uuid);

      }



      for (auto& uuid : uuids) {

        auto uuid_128bit = uuid.To128BitBE();

        property_value.insert(property_value.end(), uuid_128bit.begin(),

                              uuid_128bit.end());

      }



      prop[0].type = BT_PROPERTY_UUIDS;

      prop[0].val = (void*)property_value.data();

      prop[0].len = Uuid::kNumBytes128 * pairing_cb.uuids.size();

      prop[0].len = Uuid::kNumBytes128 * uuids.size();



      /* Also write this to the NVRAM */

      bt_status_t ret =