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//
// Copyright 2017 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
#include <functional>
#include <hidl/HidlSupport.h>
#include "hci_internals.h"
namespace android {
namespace hardware {
namespace bluetooth {
namespace hci {
using ::android::hardware::hidl_vec;
using HciPacketReadyCallback = std::function<void(void)>;
class HciPacketizer {
public:
HciPacketizer(HciPacketReadyCallback packet_cb)
: packet_ready_cb_(packet_cb){};
void OnDataReady(int fd, HciPacketType packet_type);
const hidl_vec<uint8_t>& GetPacket() const;
protected:
enum State { HCI_PREAMBLE, HCI_PAYLOAD };
State state_{HCI_PREAMBLE};
uint8_t preamble_[HCI_PREAMBLE_SIZE_MAX];
hidl_vec<uint8_t> packet_;
size_t bytes_remaining_{0};
size_t bytes_read_{0};
HciPacketReadyCallback packet_ready_cb_;
};
} // namespace hci
} // namespace bluetooth
} // namespace hardware
} // namespace android
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