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Commit 9c8568ed authored by Chienyuan's avatar Chienyuan Committed by Chienyuan Huang
Browse files

Add empty filter when CSIS discovery start 

Tag: #refactor
Bug: 201757963
Bug: 150670922
Test: manual
BYPASS_LONG_LINES_REASON: Bluetooth likes 120 lines

Change-Id: I182307dd7c028e5aa5711f2a91cec686958d473a
parent 38cab987

system/bta/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -295,6 +295,7 @@ cc_test { 
    ],

    srcs : [

        ":TestMockBtif",

        ":TestMockMainShimLeScanning",

        "csis/csis_client.cc",

        "csis/csis_client_test.cc",

        "groups/groups.cc",

system/bta/csis/csis_client.cc

+3 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
#include "csis_types.h"

#include "gap_api.h"

#include "gatt_api.h"

#include "main/shim/le_scanning_manager.h"

#include "osi/include/osi.h"

#include "osi/include/properties.h"

#include "stack/btm/btm_dev.h"
@@ -1126,6 +1127,8 @@ class CsisClientImpl : public CsisClient { 
  void CsisActiveObserverSet(bool enable) {

    LOG(INFO) << __func__ << " CSIS Discovery SET: " << enable;



    bluetooth::shim::set_empty_filter(enable);



    BTA_DmBleCsisObserve(

        enable, [](tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH* p_data) {

          /* If there's no instance we are most likely shutting

system/gd/hci/le_scanning_manager.cc

+1 −1
Original line number Diff line number Diff line
@@ -674,7 +674,7 @@ struct LeScanningManager::impl : public bluetooth::hci::LeAddressManagerCallback 
                advertising_filter_parameter.delivery_mode,

                advertising_filter_parameter.onfound_timeout,

                advertising_filter_parameter.onfound_timeout_cnt,

                advertising_filter_parameter.rssi_low_thres,

                advertising_filter_parameter.rssi_low_thresh,

                advertising_filter_parameter.onlost_timeout,

                advertising_filter_parameter.num_of_tracking_entries),

            module_handler_->BindOnceOn(this, &impl::on_advertising_filter_complete));

system/gd/hci/le_scanning_manager.h

+1 −1
Original line number Diff line number Diff line
@@ -101,7 +101,7 @@ class AdvertisingFilterParameter { 
  DeliveryMode delivery_mode;

  uint16_t onfound_timeout;

  uint8_t onfound_timeout_cnt;

  uint8_t rssi_low_thres;

  uint8_t rssi_low_thresh;

  uint16_t onlost_timeout;

  uint16_t num_of_tracking_entries;

};

system/main/shim/le_scanning_manager.cc

+22 −1
Original line number Diff line number Diff line
@@ -47,6 +47,10 @@ using bluetooth::ToGdAddress; 


namespace {

constexpr char kBtmLogTag[] = "SCAN";

constexpr uint16_t kAllowAllFilter = 0x00;

constexpr uint16_t kListLogicOr = 0x01;

constexpr uint8_t kFilterLogicOr = 0x00;

constexpr uint8_t kLowestRssiValue = 129;

}



extern void btm_ble_process_adv_pkt_cont_for_inquiry(
@@ -123,7 +127,7 @@ class BleScannerInterfaceImpl : public BleScannerInterface, 
            filt_param->found_timeout;

        advertising_filter_parameter.onfound_timeout_cnt =

            filt_param->found_timeout_cnt;

        advertising_filter_parameter.rssi_low_thres =

        advertising_filter_parameter.rssi_low_thresh =

            filt_param->rssi_low_thres;

        advertising_filter_parameter.onlost_timeout = filt_param->lost_timeout;

        advertising_filter_parameter.num_of_tracking_entries =
@@ -539,3 +543,20 @@ BleScannerInterface* bluetooth::shim::get_ble_scanner_instance() { 
void bluetooth::shim::init_scanning_manager() {

  bt_le_scanner_instance->Init();

}



void bluetooth::shim::set_empty_filter(bool enable) {

  bluetooth::hci::AdvertisingFilterParameter advertising_filter_parameter;

  bluetooth::shim::GetScanning()->ScanFilterParameterSetup(

      bluetooth::hci::ApcfAction::DELETE, 0x00, advertising_filter_parameter);

  if (enable) {

    /* Add an allow-all filter on index 0 */

    advertising_filter_parameter.delivery_mode =

        bluetooth::hci::DeliveryMode::IMMEDIATE;

    advertising_filter_parameter.feature_selection = kAllowAllFilter;

    advertising_filter_parameter.list_logic_type = kListLogicOr;

    advertising_filter_parameter.filter_logic_type = kFilterLogicOr;

    advertising_filter_parameter.rssi_high_thresh = kLowestRssiValue;

    bluetooth::shim::GetScanning()->ScanFilterParameterSetup(

        bluetooth::hci::ApcfAction::ADD, 0x00, advertising_filter_parameter);

  }

}
 
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