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/*
* Copyright (c) 2023, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OTBR_ANDROID_BINDER_SERVER_HPP_
#define OTBR_ANDROID_BINDER_SERVER_HPP_
#include <functional>
#include <memory>
#include <vector>
#include <aidl/com/android/server/thread/openthread/BnOtDaemon.h>
#include <openthread/instance.h>
#include <openthread/ip6.h>
#include "agent/vendor.hpp"
#include "common/mainloop.hpp"
#include "ncp/ncp_openthread.hpp"
namespace otbr {
namespace Android {
using BinderDeathRecipient = ::ndk::ScopedAIBinder_DeathRecipient;
using ScopedFileDescriptor = ::ndk::ScopedFileDescriptor;
using Status = ::ndk::ScopedAStatus;
using aidl::com::android::server::thread::openthread::BnOtDaemon;
using aidl::com::android::server::thread::openthread::BorderRouterConfigurationParcel;
using aidl::com::android::server::thread::openthread::IOtDaemonCallback;
using aidl::com::android::server::thread::openthread::IOtStatusReceiver;
using aidl::com::android::server::thread::openthread::Ipv6AddressInfo;
using aidl::com::android::server::thread::openthread::OtDaemonState;
class OtDaemonServer : public BnOtDaemon, public MainloopProcessor, public vendor::VendorServer
{
public:
explicit OtDaemonServer(otbr::Ncp::ControllerOpenThread &aNcp);
virtual ~OtDaemonServer(void) = default;
// Disallow copy and assign.
OtDaemonServer(const OtDaemonServer &) = delete;
void operator=(const OtDaemonServer &) = delete;
// Dump information for debugging.
binder_status_t dump(int aFd, const char **aArgs, uint32_t aNumArgs) override;
private:
using LeaveCallback = std::function<void()>;
otInstance *GetOtInstance(void);
// Implements vendor::VendorServer
void Init(void) override;
// Implements MainloopProcessor
void Update(MainloopContext &aMainloop) override;
void Process(const MainloopContext &aMainloop) override;
// Implements IOtDaemon.aidl
Status initialize(const ScopedFileDescriptor &aTunFd) override;
Status registerStateCallback(const std::shared_ptr<IOtDaemonCallback> &aCallback, int64_t listenerId) override;
bool isAttached(void);
Status join(const std::vector<uint8_t> &aActiveOpDatasetTlvs,
const std::shared_ptr<IOtStatusReceiver> &aReceiver) override;
Status leave(const std::shared_ptr<IOtStatusReceiver> &aReceiver) override;
Status scheduleMigration(const std::vector<uint8_t> &aPendingOpDatasetTlvs,
const std::shared_ptr<IOtStatusReceiver> &aReceiver) override;
Status configureBorderRouter(const BorderRouterConfigurationParcel &aBorderRouterConfiguration,
const std::shared_ptr<IOtStatusReceiver> &aReceiver) override;
bool RefreshOtDaemonState(otChangedFlags aFlags);
void LeaveGracefully(const LeaveCallback &aReceiver);
static void DetachGracefullyCallback(void *aBinderServer);
void DetachGracefullyCallback(void);
static void SendMgmtPendingSetCallback(otError aResult, void *aBinderServer);
static void BinderDeathCallback(void *aBinderServer);
void StateCallback(otChangedFlags aFlags);
static void AddressCallback(const otIp6AddressInfo *aAddressInfo, bool aIsAdded, void *aBinderServer);
static void ReceiveCallback(otMessage *aMessage, void *aBinderServer);
void ReceiveCallback(otMessage *aMessage);
void TransmitCallback(void);
static void HandleBackboneMulticastListenerEvent(void *aBinderServer,
otBackboneRouterMulticastListenerEvent aEvent,
const otIp6Address *aAddress);
otbr::Ncp::ControllerOpenThread &mNcp;
TaskRunner mTaskRunner;
ScopedFileDescriptor mTunFd;
OtDaemonState mState;
std::shared_ptr<IOtDaemonCallback> mCallback;
BinderDeathRecipient mClientDeathRecipient;
std::shared_ptr<IOtStatusReceiver> mJoinReceiver;
std::shared_ptr<IOtStatusReceiver> mMigrationReceiver;
std::vector<LeaveCallback> mLeaveCallbacks;
BorderRouterConfigurationParcel mBorderRouterConfiguration;
};
} // namespace Android
} // namespace otbr
#endif // OTBR_ANDROID_BINDER_SERVER_HPP_
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