mirror of
https://github.com/akuker/RASCSI.git
synced 2024-12-02 04:49:24 +00:00
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
//---------------------------------------------------------------------------
|
|
//
|
|
// SCSI Target Emulator PiSCSI
|
|
// for Raspberry Pi
|
|
//
|
|
// Powered by XM6 TypeG Technology.
|
|
// Copyright (C) 2016-2020 GIMONS
|
|
// Copyright (C) akuker
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include "devices/device.h"
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
#include <string>
|
|
#include <array>
|
|
#include <span>
|
|
|
|
#ifndef ETH_FRAME_LEN
|
|
static const int ETH_FRAME_LEN = 1514;
|
|
#endif
|
|
#ifndef ETH_FCS_LEN
|
|
static const int ETH_FCS_LEN = 4;
|
|
#endif
|
|
|
|
using namespace std;
|
|
|
|
class CTapDriver
|
|
{
|
|
static const string BRIDGE_NAME;
|
|
|
|
const inline static string DEFAULT_IP = "10.10.20.1/24"; //NOSONAR This hardcoded IP address is safe
|
|
|
|
public:
|
|
|
|
CTapDriver() = default;
|
|
~CTapDriver() = default;
|
|
CTapDriver(CTapDriver&) = default;
|
|
CTapDriver& operator=(const CTapDriver&) = default;
|
|
|
|
bool Init(const param_map&);
|
|
void CleanUp() const;
|
|
|
|
param_map GetDefaultParams() const;
|
|
|
|
void GetMacAddr(uint8_t *) const;
|
|
int Receive(uint8_t *) const;
|
|
int Send(const uint8_t *, int) const;
|
|
bool HasPendingPackets() const; // Check if there are IP packets available
|
|
string IpLink(bool) const; // Enable/Disable the piscsi0 interface
|
|
void Flush() const; // Purge all of the packets that are waiting to be processed
|
|
|
|
static uint32_t Crc32(span<const uint8_t>);
|
|
|
|
private:
|
|
|
|
static string SetUpEth0(int, const string&);
|
|
static string SetUpNonEth0(int, int, const string&);
|
|
static pair<string, string> ExtractAddressAndMask(const string&);
|
|
|
|
array<byte, 6> m_MacAddr; // MAC Address
|
|
|
|
int m_hTAP = -1; // File handle
|
|
|
|
// Prioritized comma-separated list of interfaces to create the bridge for
|
|
vector<string> interfaces;
|
|
|
|
string inet;
|
|
};
|
|
|