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https://github.com/akuker/RASCSI.git
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73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator PiSCSI
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// for Raspberry Pi
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//
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// Powered by XM6 TypeG Technology.
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// Copyright (C) 2016-2020 GIMONS
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// Copyright (C) akuker
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include "devices/device.h"
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#include <unordered_map>
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#include <vector>
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#include <string>
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#include <array>
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#include <span>
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#ifndef ETH_FRAME_LEN
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static const int ETH_FRAME_LEN = 1514;
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#endif
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#ifndef ETH_FCS_LEN
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static const int ETH_FCS_LEN = 4;
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#endif
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using namespace std;
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class CTapDriver
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{
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static const string BRIDGE_NAME;
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const inline static string DEFAULT_IP = "10.10.20.1/24"; //NOSONAR This hardcoded IP address is safe
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public:
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CTapDriver() = default;
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~CTapDriver() = default;
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CTapDriver(CTapDriver&) = default;
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CTapDriver& operator=(const CTapDriver&) = default;
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bool Init(const param_map&);
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void CleanUp() const;
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param_map GetDefaultParams() const;
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void GetMacAddr(uint8_t *) const;
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int Receive(uint8_t *) const;
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int Send(const uint8_t *, int) const;
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bool HasPendingPackets() const; // Check if there are IP packets available
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string IpLink(bool) const; // Enable/Disable the piscsi0 interface
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void Flush() const; // Purge all of the packets that are waiting to be processed
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static uint32_t Crc32(span<const uint8_t>);
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private:
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static string SetUpEth0(int, const string&);
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static string SetUpNonEth0(int, int, const string&);
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static pair<string, string> ExtractAddressAndMask(const string&);
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array<byte, 6> m_MacAddr; // MAC Address
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int m_hTAP = -1; // File handle
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// Prioritized comma-separated list of interfaces to create the bridge for
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vector<string> interfaces;
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string inet;
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};
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