RASCSI/src/raspberrypi/devices/ctapdriver.h

63 lines
1.5 KiB
C++

//---------------------------------------------------------------------------
//
// SCSI Target Emulator RaSCSI Reloaded
// for Raspberry Pi
//
// Powered by XM6 TypeG Technology.
// Copyright (C) 2016-2020 GIMONS
// Copyright (C) akuker
//
//---------------------------------------------------------------------------
#pragma once
#include <pcap/pcap.h>
#include <net/ethernet.h>
#include "filepath.h"
#include <unordered_map>
#include <list>
#include <string>
#include <array>
using namespace std;
class CTapDriver
{
friend class SCSIDaynaPort;
friend class SCSIBR;
static constexpr const char *BRIDGE_NAME = "rascsi_bridge";
CTapDriver() = default;
~CTapDriver();
CTapDriver(CTapDriver&) = default;
CTapDriver& operator=(const CTapDriver&) = default;
bool Init(const unordered_map<string, string>&);
public:
void OpenDump(const Filepath& path); // Capture packets
void GetMacAddr(BYTE *mac) const;
int Receive(BYTE *buf);
int Send(const BYTE *buf, int len);
bool PendingPackets() const; // Check if there are IP packets available
bool Enable() const; // Enable the ras0 interface
bool Disable() const; // Disable the ras0 interface
void Flush(); // Purge all of the packets that are waiting to be processed
private:
array<byte, 6> m_MacAddr; // MAC Address
int m_hTAP = -1; // File handle
pcap_t *m_pcap = nullptr;
pcap_dumper_t *m_pcap_dumper = nullptr;
// Prioritized comma-separated list of interfaces to create the bridge for
list<string> interfaces;
string inet;
};