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Commit 8f82b562 authored by Ajay Panicker's avatar Ajay Panicker Committed by android-build-merger
Browse files

Run the AVRCP Service interface functions on the BTA thread 

am: 4de015ae

Change-Id: I8024be873caa4ed72b70e3189deeedb26a6bcf7d
parents 5d6e6e47 4de015ae

system/btif/avrcp/avrcp_service.cc

+50 −38
Original line number Diff line number Diff line
@@ -282,19 +282,11 @@ class VolumeInterfaceWrapper : public VolumeInterface { 
void AvrcpService::Init(MediaInterface* media_interface,

                        VolumeInterface* volume_interface) {

  LOG(INFO) << "AVRCP Target Service started";

  if (instance_ == nullptr) {

    instance_ = new AvrcpService();

  }



  {

    std::lock_guard<std::mutex> lock(jni_mutex_);

    jni_message_loop_ = get_jni_message_loop();

  }



  // TODO (apanicke): Add a function that sets up the SDP records once we

  // remove the AVRCP SDP setup in AVDTP (bta_av_main.cc)



  instance_->media_interface_ = new MediaInterfaceWrapper(media_interface);

  media_interface_ = new MediaInterfaceWrapper(media_interface);

  media_interface->RegisterUpdateCallback(instance_);



  VolumeInterfaceWrapper* wrapped_volume_interface = nullptr;
@@ -302,28 +294,23 @@ void AvrcpService::Init(MediaInterface* media_interface, 
    wrapped_volume_interface = new VolumeInterfaceWrapper(volume_interface);

  }



  instance_->volume_interface_ = wrapped_volume_interface;

  volume_interface_ = wrapped_volume_interface;



  ConnectionHandler::Initialize(

      base::Bind(&AvrcpService::DeviceCallback, base::Unretained(instance_)),

      &avrcp_interface_, &sdp_interface_, wrapped_volume_interface);

  instance_->connection_handler_ = ConnectionHandler::Get();

  connection_handler_ = ConnectionHandler::Get();

}



void AvrcpService::Cleanup() {

  LOG(INFO) << "AVRCP Target Service stopped";

  {

    std::lock_guard<std::mutex> lock(jni_mutex_);

    task_tracker_.TryCancelAll();

    jni_message_loop_ = nullptr;

  }



  instance_->connection_handler_->CleanUp();

  instance_->connection_handler_ = nullptr;

  if (instance_->volume_interface_ != nullptr) {

    delete instance_->volume_interface_;

  connection_handler_->CleanUp();

  connection_handler_ = nullptr;

  if (volume_interface_ != nullptr) {

    delete volume_interface_;

  }

  delete instance_->media_interface_;

  delete media_interface_;

}



AvrcpService* AvrcpService::Get() {
@@ -339,15 +326,15 @@ ServiceInterface* AvrcpService::GetServiceInterface() { 
  return service_interface_;

}



bool AvrcpService::ConnectDevice(const RawAddress& bdaddr) {

void AvrcpService::ConnectDevice(const RawAddress& bdaddr) {

  LOG(INFO) << __PRETTY_FUNCTION__ << ": address=" << bdaddr.ToString();



  return connection_handler_->ConnectDevice(bdaddr);

  connection_handler_->ConnectDevice(bdaddr);

}



bool AvrcpService::DisconnectDevice(const RawAddress& bdaddr) {

void AvrcpService::DisconnectDevice(const RawAddress& bdaddr) {

  LOG(INFO) << __PRETTY_FUNCTION__ << ": address=" << bdaddr.ToString();

  return connection_handler_->DisconnectDevice(bdaddr);

  connection_handler_->DisconnectDevice(bdaddr);

}



void AvrcpService::SendMediaUpdate(bool track_changed, bool play_state,
@@ -398,37 +385,62 @@ void AvrcpService::DeviceCallback(std::shared_ptr<Device> new_device) { 


// Service Interface

void AvrcpService::ServiceInterfaceImpl::Init(

    MediaInterface* mediaInterface, VolumeInterface* volume_interface) {

  // TODO (apanicke): Run this in a message loop. This currently works though

  // since the underlying AVRC_API will correctly run this in a message loop so

  // no race conditions can occur, but if that changes it could change the

  // behaviour here.

    MediaInterface* media_interface, VolumeInterface* volume_interface) {

  std::lock_guard<std::mutex> lock(service_interface_lock_);



  // TODO: This function should block until the service is completely up so

  // that its possible to call Get() on the service immediately after calling

  // init without issues.



  CHECK(instance_ == nullptr);

  instance_ = new AvrcpService();



  AvrcpService::Init(mediaInterface, volume_interface);

  {

    std::lock_guard<std::mutex> jni_lock(jni_mutex_);

    jni_message_loop_ = get_jni_message_loop();

  }



  do_in_bta_thread(FROM_HERE,

                   base::Bind(&AvrcpService::Init, base::Unretained(instance_),

                              media_interface, volume_interface));

}



bool AvrcpService::ServiceInterfaceImpl::ConnectDevice(

    const RawAddress& bdaddr) {

  // TODO (apanicke): Same as above

  std::lock_guard<std::mutex> lock(service_interface_lock_);

  CHECK(instance_ != nullptr);

  return instance_->ConnectDevice(bdaddr);

  do_in_bta_thread(FROM_HERE, base::Bind(&AvrcpService::ConnectDevice,

                                         base::Unretained(instance_), bdaddr));

  return true;

}



bool AvrcpService::ServiceInterfaceImpl::DisconnectDevice(

    const RawAddress& bdaddr) {

  // TODO (apanicke): Same as above

  std::lock_guard<std::mutex> lock(service_interface_lock_);

  CHECK(instance_ != nullptr);

  return instance_->DisconnectDevice(bdaddr);

  do_in_bta_thread(FROM_HERE, base::Bind(&AvrcpService::DisconnectDevice,

                                         base::Unretained(instance_), bdaddr));

  return true;

}



bool AvrcpService::ServiceInterfaceImpl::Cleanup() {

  // TODO (apanicke): Same as above

  std::lock_guard<std::mutex> lock(service_interface_lock_);



  if (instance_ == nullptr) return false;



  instance_->Cleanup();

  delete instance_;

  {

    std::lock_guard<std::mutex> jni_lock(jni_mutex_);

    task_tracker_.TryCancelAll();

    jni_message_loop_ = nullptr;

  }



  do_in_bta_thread(FROM_HERE,

                   base::Bind(&AvrcpService::Cleanup, base::Owned(instance_)));



  // Setting instance to nullptr here is fine since it will be deleted on the

  // other thread.

  instance_ = nullptr;



  return true;

}

system/btif/avrcp/avrcp_service.h

+6 −5
Original line number Diff line number Diff line
@@ -37,9 +37,6 @@ namespace avrcp { 
 */

class AvrcpService : public MediaCallbacks {

 public:

  static void Init(MediaInterface* media_interface,

                   VolumeInterface* volume_interface);



  /**

   * Gets a handle to the AvrcpService

   *
@@ -56,10 +53,11 @@ class AvrcpService : public MediaCallbacks { 
   */

  static ServiceInterface* GetServiceInterface();



  void Init(MediaInterface* media_interface, VolumeInterface* volume_interface);

  void Cleanup();



  bool ConnectDevice(const RawAddress& bdaddr);

  bool DisconnectDevice(const RawAddress& bdaddr);

  void ConnectDevice(const RawAddress& bdaddr);

  void DisconnectDevice(const RawAddress& bdaddr);



  // Functions inherited from MediaCallbacks in order to receive updates

  void SendMediaUpdate(bool track_changed, bool play_state,
@@ -75,6 +73,9 @@ class AvrcpService : public MediaCallbacks { 
    bool ConnectDevice(const RawAddress& bdaddr) override;

    bool DisconnectDevice(const RawAddress& bdaddr) override;

    bool Cleanup() override;



   private:

    std::mutex service_interface_lock_;

  };



  static void DebugDump(int fd);