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Commit 0b68e604 authored by Arman Uguray's avatar Arman Uguray
Browse files

service: Add IBluetoothGattClient IPC bindings 

Added the Binder IPC bindings for the IBluetoothGattClient API.

Bug: 25128256
Change-Id: Idc37ac7d85c0d3a2aa17e2b95ee588d590a8bb8f
parent 0cf6a83d

system/service/Android.mk

+3 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ btserviceCommonSrc := \ 
btserviceCommonBinderSrc := \

	common/bluetooth/binder/IBluetooth.cpp \

	common/bluetooth/binder/IBluetoothCallback.cpp \

	common/bluetooth/binder/IBluetoothGattClient.cpp \

	common/bluetooth/binder/IBluetoothGattClientCallback.cpp \

	common/bluetooth/binder/IBluetoothGattServer.cpp \

	common/bluetooth/binder/IBluetoothGattServerCallback.cpp \

	common/bluetooth/binder/IBluetoothLowEnergy.cpp \
@@ -56,6 +58,7 @@ btserviceLinuxSrc := \ 


btserviceBinderDaemonImplSrc := \

	ipc/binder/bluetooth_binder_server.cpp \

	ipc/binder/bluetooth_gatt_client_binder_server.cpp \

	ipc/binder/bluetooth_gatt_server_binder_server.cpp \

	ipc/binder/bluetooth_low_energy_binder_server.cpp \

	ipc/binder/interface_with_clients_base.cpp \

system/service/common/bluetooth/binder/IBluetooth.cpp

+16 −0
Original line number Diff line number Diff line
@@ -129,6 +129,11 @@ status_t BnBluetooth::onTransact( 
      reply->writeStrongBinder(IInterface::asBinder(ble_iface.get()));

      return android::NO_ERROR;

    }

    case GET_GATT_CLIENT_INTERFACE_TRANSACTION: {

      sp<IBluetoothGattClient> gatt_client_iface = GetGattClientInterface();

      reply->writeStrongBinder(IInterface::asBinder(gatt_client_iface.get()));

      return android::NO_ERROR;

    }

    case GET_GATT_SERVER_INTERFACE_TRANSACTION: {

      sp<IBluetoothGattServer> gatt_server_iface = GetGattServerInterface();

      reply->writeStrongBinder(IInterface::asBinder(gatt_server_iface.get()));
@@ -266,6 +271,17 @@ sp<IBluetoothLowEnergy> BpBluetooth::GetLowEnergyInterface() { 
  return interface_cast<IBluetoothLowEnergy>(reply.readStrongBinder());

}



sp<IBluetoothGattClient> BpBluetooth::GetGattClientInterface() {

  Parcel data, reply;



  data.writeInterfaceToken(IBluetooth::getInterfaceDescriptor());



  remote()->transact(IBluetooth::GET_GATT_CLIENT_INTERFACE_TRANSACTION,

                     data, &reply);



  return interface_cast<IBluetoothGattClient>(reply.readStrongBinder());

}



sp<IBluetoothGattServer> BpBluetooth::GetGattServerInterface() {

  Parcel data, reply;

system/service/common/bluetooth/binder/IBluetooth.h

+4 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <binder/IInterface.h>



#include <bluetooth/binder/IBluetoothCallback.h>

#include <bluetooth/binder/IBluetoothGattClient.h>

#include <bluetooth/binder/IBluetoothGattServer.h>

#include <bluetooth/binder/IBluetoothLowEnergy.h>

#include <bluetooth/uuid.h>
@@ -122,6 +123,7 @@ class IBluetooth : public android::IInterface { 
    ON_BR_EDR_DOWN_TRANSACTION,



    GET_LOW_ENERGY_INTERFACE_TRANSACTION,

    GET_GATT_CLIENT_INTERFACE_TRANSACTION,

    GET_GATT_SERVER_INTERFACE_TRANSACTION,

  };
@@ -150,6 +152,7 @@ class IBluetooth : public android::IInterface { 
  virtual bool IsMultiAdvertisementSupported() = 0;



  virtual android::sp<IBluetoothLowEnergy> GetLowEnergyInterface() = 0;

  virtual android::sp<IBluetoothGattClient> GetGattClientInterface() = 0;

  virtual android::sp<IBluetoothGattServer> GetGattServerInterface() = 0;



  // TODO(armansito): Complete the API definition.
@@ -201,6 +204,7 @@ class BpBluetooth : public android::BpInterface<IBluetooth> { 
  bool IsMultiAdvertisementSupported() override;



  android::sp<IBluetoothLowEnergy> GetLowEnergyInterface() override;

  android::sp<IBluetoothGattClient> GetGattClientInterface() override;

  android::sp<IBluetoothGattServer> GetGattServerInterface() override;



 private:

system/service/common/bluetooth/binder/IBluetoothGattClient.cpp

0 → 100644
+109 −0
Original line number Diff line number Diff line 
//

//  Copyright (C) 2015 Google, Inc.

//

//  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.

//



#include "service/common/bluetooth/binder/IBluetoothGattClient.h"



#include <base/logging.h>

#include <binder/Parcel.h>



using android::IBinder;

using android::interface_cast;

using android::Parcel;

using android::sp;

using android::status_t;



namespace ipc {

namespace binder {



// static

const char IBluetoothGattClient::kServiceName[] =

    "bluetooth-gatt-client-service";



// BnBluetoothGattClient (server) implementation

// ========================================================



status_t BnBluetoothGattClient::onTransact(

    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {

  VLOG(2) << "IBluetoothGattClient: " << code;

  if (!data.checkInterface(this))

    return android::PERMISSION_DENIED;



  switch (code) {

  case REGISTER_CLIENT_TRANSACTION: {

    sp<IBinder> callback = data.readStrongBinder();

    bool result = RegisterClient(

        interface_cast<IBluetoothGattClientCallback>(callback));

    reply->writeInt32(result);

    return android::NO_ERROR;

  }

  case UNREGISTER_CLIENT_TRANSACTION: {

    int client_id = data.readInt32();

    UnregisterClient(client_id);

    return android::NO_ERROR;

  }

  case UNREGISTER_ALL_TRANSACTION: {

    UnregisterAll();

    return android::NO_ERROR;

  }

  default:

    return BBinder::onTransact(code, data, reply, flags);

  }

}



// BpBluetoothGattClient (client) implementation

// ========================================================



BpBluetoothGattClient::BpBluetoothGattClient(const sp<IBinder>& impl)

    : BpInterface<IBluetoothGattClient>(impl) {

}



bool BpBluetoothGattClient::RegisterClient(

    const android::sp<IBluetoothGattClientCallback>& callback) {

  Parcel data, reply;



  data.writeInterfaceToken(IBluetoothGattClient::getInterfaceDescriptor());

  data.writeStrongBinder(IInterface::asBinder(callback.get()));



  remote()->transact(IBluetoothGattClient::REGISTER_CLIENT_TRANSACTION,

                     data, &reply);



  return reply.readInt32();

}



void BpBluetoothGattClient::UnregisterClient(int client_id) {

  Parcel data, reply;



  data.writeInterfaceToken(IBluetoothGattClient::getInterfaceDescriptor());

  data.writeInt32(client_id);



  remote()->transact(IBluetoothGattClient::UNREGISTER_CLIENT_TRANSACTION,

                     data, &reply);

}



void BpBluetoothGattClient::UnregisterAll() {

  Parcel data, reply;



  data.writeInterfaceToken(IBluetoothGattClient::getInterfaceDescriptor());



  remote()->transact(IBluetoothGattClient::UNREGISTER_ALL_TRANSACTION,

                     data, &reply);

}



IMPLEMENT_META_INTERFACE(BluetoothGattClient,

                         IBluetoothGattClient::kServiceName);



}  // namespace binder

}  // namespace ipc

system/service/common/bluetooth/binder/IBluetoothGattClient.h

0 → 100644
+108 −0
Original line number Diff line number Diff line 
//

//  Copyright (C) 2015 Google, Inc.

//

//  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



#include <string>



#include <base/macros.h>

#include <binder/IBinder.h>

#include <binder/IInterface.h>



#include <bluetooth/binder/IBluetoothGattClientCallback.h>

#include <bluetooth/gatt_identifier.h>



namespace ipc {

namespace binder {



// This class defines the Binder IPC interface for interacting with Bluetooth

// GATT client-role features.

// TODO(armansito): This class was written based on a new design doc proposal.

// We need to add an AIDL for this to the framework code.

//

// NOTE: KEEP THIS FILE UP-TO-DATE with the corresponding AIDL, otherwise this

// won't be compatible with the Android framework.

class IBluetoothGattClient : public android::IInterface {

 public:

  DECLARE_META_INTERFACE(BluetoothGattClient);



  static const char kServiceName[];



  // Transaction codes for interface methods.

  enum {

    REGISTER_CLIENT_TRANSACTION = android::IBinder::FIRST_CALL_TRANSACTION,

    UNREGISTER_CLIENT_TRANSACTION,

    UNREGISTER_ALL_TRANSACTION,

    REFRESH_DEVICE_TRANSACTION,

    DISCOVER_SERVICES_TRANSACTION,

    READ_CHARACTERISTIC_TRANSACTION,

    WRITE_CHARACTERISTIC_TRANSACTION,

    READ_DESCRIPTOR_TRANSACTION,

    WRITE_DESCRIPTOR_TRANSACTION,

    REGISTER_FOR_NOTIFICATIONS_TRANSACTION,

    UNREGISTER_FOR_NOTIFICATIONS_TRANSACTION,

    BEGIN_RELIABLE_WRITE_TRANSACTION,

    END_RELIABLE_WRITE_TRANSACTION,

  };



  virtual bool RegisterClient(

      const android::sp<IBluetoothGattClientCallback>& callback) = 0;

  virtual void UnregisterClient(int client_id) = 0;

  virtual void UnregisterAll() = 0;



  // TODO(armansito): Complete interface definition.



 private:

  DISALLOW_COPY_AND_ASSIGN(IBluetoothGattClient);

};



// The Binder server interface to IBluetoothGattClient. A class that implements

// IBluetoothGattClient must inherit from this class.

class BnBluetoothGattClient

    : public android::BnInterface<IBluetoothGattClient> {

 public:

  BnBluetoothGattClient() = default;

  virtual ~BnBluetoothGattClient() = default;



 private:

  virtual android::status_t onTransact(

      uint32_t code,

      const android::Parcel& data,

      android::Parcel* reply,

      uint32_t flags = 0);



  DISALLOW_COPY_AND_ASSIGN(BnBluetoothGattClient);

};



// The Binder client interface to IBluetoothGattClient.

class BpBluetoothGattClient

    : public android::BpInterface<IBluetoothGattClient> {

 public:

  explicit BpBluetoothGattClient(const android::sp<android::IBinder>& impl);

  virtual ~BpBluetoothGattClient() = default;



  // IBluetoothGattClient overrides:

  bool RegisterClient(

      const android::sp<IBluetoothGattClientCallback>& callback) override;

  void UnregisterClient(int client_id) override;

  void UnregisterAll() override;



 private:

  DISALLOW_COPY_AND_ASSIGN(BpBluetoothGattClient);

};



}  // namespace binder

}  // namespace ipc