RASCSI/src/raspberrypi/devices/scsi_printer.h

55 lines
1.5 KiB
C++

//---------------------------------------------------------------------------
//
// SCSI Target Emulator RaSCSI Reloaded
// for Raspberry Pi
//
// Copyright (C) 2022 Uwe Seimet
//
// Implementation of a SCSI printer (see SCSI-2 specification for a command description)
//
//---------------------------------------------------------------------------
#pragma once
#include "interfaces/scsi_printer_commands.h"
#include "primary_device.h"
#include <string>
#include <unordered_map>
class SCSIPrinter : public PrimaryDevice, ScsiPrinterCommands //NOSONAR Custom destructor cannot be removed
{
static constexpr const char *TMP_FILE_PATTERN = "/tmp/rascsi_sclp-XXXXXX"; //NOSONAR Using /tmp is safe
static const int TMP_FILENAME_LENGTH = string_view(TMP_FILE_PATTERN).size();
static const int NOT_RESERVED = -2;
public:
explicit SCSIPrinter(int);
~SCSIPrinter() override;
bool Dispatch(scsi_command) override;
bool Init(const unordered_map<string, string>&) override;
void Cleanup();
vector<byte> InquiryInternal() const override;
void TestUnitReady() override;
void ReserveUnit() override { PrimaryDevice::ReserveUnit(); }
void ReleaseUnit() override { PrimaryDevice::ReleaseUnit(); }
void SendDiagnostic() override { PrimaryDevice::SendDiagnostic(); }
void Print() override;
void SynchronizeBuffer();
void StopPrint();
bool WriteByteSequence(vector<BYTE>&, uint32_t) override;
private:
using super = PrimaryDevice;
Dispatcher<SCSIPrinter> dispatcher;
char filename[TMP_FILENAME_LENGTH + 1]; //NOSONAR mkstemp() requires a modifiable string
int fd = -1;
};