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Commit 3858d297 authored by William Escande's avatar William Escande
Browse files

Add bta sysprop for disable delay 

The `define` cannot be override on runtime and some target need to
configure the delay of bta disable to 1000 ms (Eg: Wear OS)

Test: manual | set the property and check new behavior
Bug: 263323082
Change-Id: Ie652d793984b71f8ad6622f74cdac2d00c1c4516
parent f8a79afd

sysprop/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ sysprop_library { 
  host_supported: true,

  srcs: [

    "avrcp.sysprop",

    "bta.sysprop",

  ],

  property_owner: "Platform",

  api_packages: ["android.sysprop"],

sysprop/bta.sysprop

0 → 100644
+12 −0
Original line number Diff line number Diff line 
module: "android.sysprop.bluetooth.Bta"

owner: Platform



prop {

    api_name: "disable_delay"

    type: Integer

    scope: Internal

    access: Readonly

    prop_name: "bluetooth.bta.disable_delay.millis"

}

system/bta/Android.bp

+3 −0
Original line number Diff line number Diff line
@@ -174,6 +174,7 @@ cc_library_static { 
    ],

    static_libs: [

        "lib-bt-packets",

        "libcom.android.sysprop.bluetooth",

    ],

    host_supported: true,

    min_sdk_version: "Tiramisu"
@@ -303,6 +304,7 @@ cc_test { 
        "libbt-common",

        "libbt-protos-lite",

        "libbtcore",

        "libcom.android.sysprop.bluetooth",

        "libflatbuffers-cpp",

        "libgmock",

    ],
@@ -939,6 +941,7 @@ cc_test { 
        "libgmock",

        "libbt-common",

        "libbt-protos-lite",

        "libcom.android.sysprop.bluetooth",

        "libosi", // ADDED

    ],

    generated_headers: [

system/bta/dm/bta_dm_act.cc

+14 −9
Original line number Diff line number Diff line
@@ -26,6 +26,9 @@ 
#define LOG_TAG "bt_bta_dm"



#include <base/logging.h>

#ifdef OS_ANDROID

#include <bta.sysprop.h>

#endif



#include <cstdint>
@@ -172,16 +175,18 @@ static void bta_dm_ctrl_features_rd_cmpl_cback(tHCI_STATUS result); 
#define PROPERTY_PAGE_TIMEOUT "bluetooth.core.classic.page_timeout"

#endif



namespace {



// Time to wait after receiving shutdown request to delay the actual shutdown

// process. This time may be zero which invokes immediate shutdown.

#ifndef BTA_DISABLE_DELAY

constexpr uint64_t kDisableDelayTimerInMs = 0;

static uint64_t get_DisableDelayTimerInMs() {

#ifndef OS_ANDROID

  return 200;

#else

constexpr uint64_t kDisableDelayTimerInMs =

    static_cast<uint64_t>(BTA_DISABLE_DELAY);

  static const uint64_t kDisableDelayTimerInMs =

      android::sysprop::bluetooth::Bta::disable_delay().value_or(200);

  return kDisableDelayTimerInMs;

#endif

}

namespace {



struct WaitForAllAclConnectionsToDrain {

  uint64_t time_to_wait_in_ms;
@@ -469,15 +474,15 @@ void bta_dm_disable() { 


  if (BTM_GetNumAclLinks() == 0) {

    // We can shut down faster if there are no ACL links

    switch (kDisableDelayTimerInMs) {

    switch (get_DisableDelayTimerInMs()) {

      case 0:

        LOG_DEBUG("Immediately disabling device manager");

        bta_dm_disable_conn_down_timer_cback(nullptr);

        break;

      default:

        LOG_DEBUG("Set timer to delay disable initiation:%lu ms",

                  static_cast<unsigned long>(kDisableDelayTimerInMs));

        alarm_set_on_mloop(bta_dm_cb.disable_timer, kDisableDelayTimerInMs,

                  static_cast<unsigned long>(get_DisableDelayTimerInMs()));

        alarm_set_on_mloop(bta_dm_cb.disable_timer, get_DisableDelayTimerInMs(),

                           bta_dm_disable_conn_down_timer_cback, nullptr);

    }

  } else {

system/btif/Android.bp

+2 −0
Original line number Diff line number Diff line
@@ -544,6 +544,7 @@ cc_test { 
          "lib-bt-packets",

          "lib-bt-packets-avrcp",

          "lib-bt-packets-base",

          "libcom.android.sysprop.bluetooth",

          "libc++fs",

          "libflatbuffers-cpp",

          "libgmock",
@@ -665,6 +666,7 @@ cc_test { 
          "lib-bt-packets",

          "lib-bt-packets-avrcp",

          "lib-bt-packets-base",

          "libcom.android.sysprop.bluetooth",

          "libc++fs",

          "libflatbuffers-cpp",

          "libgmock",