mirror of https://github.com/akuker/RASCSI.git
60 lines
1.5 KiB
C++
60 lines
1.5 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 <pcap/pcap.h>
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#include <net/ethernet.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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using namespace std;
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class CTapDriver
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{
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static constexpr const char *BRIDGE_NAME = "piscsi_bridge";
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public:
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CTapDriver() = default;
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~CTapDriver();
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CTapDriver(CTapDriver&) = default;
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CTapDriver& operator=(const CTapDriver&) = default;
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bool Init(const unordered_map<string, string>&);
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void OpenDump(const string& path); // Capture packets
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void GetMacAddr(uint8_t *mac) const;
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int Receive(uint8_t *buf);
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int Send(const uint8_t *buf, int len);
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bool PendingPackets() const; // Check if there are IP packets available
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bool Enable() const; // Enable the piscsi0 interface
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bool Disable() const; // Disable the piscsi0 interface
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void Flush(); // Purge all of the packets that are waiting to be processed
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static uint32_t Crc32(const uint8_t *, int);
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private:
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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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pcap_t *m_pcap = nullptr;
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pcap_dumper_t *m_pcap_dumper = nullptr;
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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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