78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
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* Copyright 2021 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 <cstdint>
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#include <fstream>
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#include <memory>
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#include <ostream>
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#include "model/hci/h4.h"
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#include "model/hci/hci_transport.h"
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namespace rootcanal {
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enum class PacketDirection : uint8_t {
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CONTROLLER_TO_HOST = 0,
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HOST_TO_CONTROLLER = 1,
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};
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// A Hci Transport that logs all the in and out going
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// packets to a stream.
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class HciSniffer : public HciTransport {
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public:
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HciSniffer(std::shared_ptr<HciTransport> transport,
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std::shared_ptr<std::ostream> outputStream = nullptr);
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~HciSniffer() = default;
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static std::shared_ptr<HciTransport> Create(
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std::shared_ptr<HciTransport> transport,
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std::shared_ptr<std::ostream> outputStream = nullptr) {
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return std::make_shared<HciSniffer>(transport, outputStream);
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}
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// Sets and initializes the output stream
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void SetOutputStream(std::shared_ptr<std::ostream> outputStream);
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void SendEvent(const std::vector<uint8_t>& packet) override;
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void SendAcl(const std::vector<uint8_t>& packet) override;
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void SendSco(const std::vector<uint8_t>& packet) override;
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void SendIso(const std::vector<uint8_t>& packet) override;
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void RegisterCallbacks(PacketCallback command_callback,
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PacketCallback acl_callback,
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PacketCallback sco_callback,
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PacketCallback iso_callback,
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CloseCallback close_callback) override;
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void TimerTick() override;
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void Close() override;
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private:
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void AppendRecord(PacketDirection direction, PacketType type,
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const std::vector<uint8_t>& packet);
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std::shared_ptr<std::ostream> output_;
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std::shared_ptr<HciTransport> transport_;
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};
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} // namespace rootcanal
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