2845303342
Issue found from the test H4ProtocolAsyncTest#TestMultiplePackets. The packetizer does not correctly handle a packet termination at the beginning of a chunk. Test: atest --host bluetooth-vendor-interface-hci-test Bug: 276652301 Change-Id: I1b61efcfa5f817fdb8b5870e81d660be5279fdea
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <functional>
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#include <memory>
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#include <vector>
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#include "hci_internals.h"
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namespace android::hardware::bluetooth::hci {
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class HciPacketizer {
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public:
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HciPacketizer() = default;
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bool OnDataReady(PacketType packet_type, const std::vector<uint8_t>& data,
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size_t* offset);
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const std::vector<uint8_t>& GetPacket() const;
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protected:
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enum State { HCI_HEADER, HCI_PAYLOAD };
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State state_{HCI_HEADER};
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std::vector<uint8_t> packet_;
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size_t bytes_remaining_{0};
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};
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} // namespace android::hardware::bluetooth::hci
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