1 /*
2  * Copyright 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <cstdint>
20 #include <fstream>
21 #include <memory>
22 #include <string>
23 
24 #include "hci/address.h"
25 #include "model/devices/device.h"
26 #include "packets/link_layer_packets.h"
27 #include "phy.h"
28 
29 namespace rootcanal {
30 
31 namespace bredr_bb {
32 class BaseBandPacketBuilder;
33 }  // namespace bredr_bb
34 
35 using ::bluetooth::hci::Address;
36 
37 class BaseBandSniffer : public Device {
38  public:
39   BaseBandSniffer(const std::string& filename);
40   ~BaseBandSniffer() = default;
41 
Create(const std::string & filename)42   static std::shared_ptr<BaseBandSniffer> Create(const std::string& filename) {
43     return std::make_shared<BaseBandSniffer>(filename);
44   }
45 
46   // Return a string representation of the type of device.
GetTypeString()47   virtual std::string GetTypeString() const override {
48     return "baseband_sniffer";
49   }
50 
51   virtual void ReceiveLinkLayerPacket(
52       model::packets::LinkLayerPacketView packet, Phy::Type type,
53       int8_t rssi) override;
54 
55  private:
56   void AppendRecord(std::unique_ptr<bredr_bb::BaseBandPacketBuilder> packet);
57   std::ofstream output_;
58 };
59 
60 }  // namespace rootcanal
61