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Commit 37806813 authored by Michael Sun's avatar Michael Sun Committed by Mingguang Xu
Browse files

btaa: handle wakeup notification 

Compare the wakeup reason to verify if Bluetooth was the wakeup source
and record the wakeup event for future processing.

Tag: #feature
Bug: 177228387
Test: verified locally BTAA module receives and parses Bluetooth wakeup
reasons.
BYPASS_LONG_LINES_REASON: consist with gd format

Change-Id: I301d2a372ddaebdf0818e368019cb8043c2034c5
parent 6719d9d9

system/gd/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -119,6 +119,7 @@ cc_defaults { 
    target: {

        linux: {

            srcs: [

                ":BluetoothBtaaSources_linux_generic",

                ":BluetoothOsSources_linux_generic",

            ],

        },

system/gd/btaa/Android.bp

+6 −0
Original line number Diff line number Diff line
@@ -20,3 +20,9 @@ filegroup { 
        "host/activity_attribution.cc",

    ],

}

filegroup {

    name: "BluetoothBtaaSources_linux_generic",

    srcs: [

        "linux_generic/attribution_processor.cc",

    ],

}

system/gd/btaa/activity_attribution.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ class ActivityAttribution : public bluetooth::Module { 
  ~ActivityAttribution() = default;



  void Capture(const hal::HciPacket& packet, hal::SnoopLogger::PacketType type);

  void OnWakeup();

  void RegisterActivityAttributionCallback(ActivityAttributionCallback* callback);



  static const ModuleFactory Factory;

system/gd/btaa/android/activity_attribution.cc

+17 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <aidl/android/system/suspend/ISuspendControlService.h>

#include <android/binder_manager.h>



#include "btaa/attribution_processor.h"

#include "module.h"

#include "os/log.h"
@@ -39,6 +40,7 @@ namespace activity_attribution { 
const ModuleFactory ActivityAttribution::Factory = ModuleFactory([]() { return new ActivityAttribution(); });



static const std::string kBtWakelockName("hal_bluetooth_lock");

static const std::string kBtWakeupReason("hs_uart_wakeup");



struct wakelock_callback : public BnWakelockCallback {

  wakelock_callback(ActivityAttribution* module) : module_(module) {}
@@ -57,6 +59,12 @@ struct wakeup_callback : public BnSuspendCallback { 
  wakeup_callback(ActivityAttribution* module) : module_(module) {}



  Status notifyWakeup(bool success, const std::vector<std::string>& wakeup_reasons) override {

    for (auto& wakeup_reason : wakeup_reasons) {

      if (wakeup_reason.find(kBtWakeupReason) != std::string::npos) {

        module_->OnWakeup();

        break;

      }

    }

    return Status::ok();

  }
@@ -91,11 +99,16 @@ struct ActivityAttribution::impl { 


  void on_hci_packet(hal::HciPacket packet, hal::SnoopLogger::PacketType type, uint16_t length) {}



  void on_wakeup() {

    attribution_processor_.OnWakeup();

  }



  void register_callback(ActivityAttributionCallback* callback) {

    callback_ = callback;

  }



  ActivityAttributionCallback* callback_;

  AttributionProcessor attribution_processor_;

};



void ActivityAttribution::Capture(const hal::HciPacket& packet, hal::SnoopLogger::PacketType type) {
@@ -122,6 +135,10 @@ void ActivityAttribution::Capture(const hal::HciPacket& packet, hal::SnoopLogger 
  CallOn(pimpl_.get(), &impl::on_hci_packet, truncate_packet, type, original_length);

}



void ActivityAttribution::OnWakeup() {

  CallOn(pimpl_.get(), &impl::on_wakeup);

}



void ActivityAttribution::RegisterActivityAttributionCallback(ActivityAttributionCallback* callback) {

  CallOn(pimpl_.get(), &impl::register_callback, callback);

}

system/gd/btaa/attribution_processor.h

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2020 The Android Open Source Project

 *

 * 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.

 */



#pragma once



namespace bluetooth {

namespace activity_attribution {



class AttributionProcessor {

 public:

  void OnWakeup();



 private:

  bool wakeup_ = false;

};



}  // namespace activity_attribution

}  // namespace bluetooth