RASCSI/src/raspberrypi/devices/scsi_printer.h
Uwe Seimet 419dca3c4c
Added support for SCSI printer device (SCLP) (#670)
* Fixed buster compile-time issue

* Host services inherit from ModePageDevice

* Call base class

* Visibility update

* Updated includes

* Updated dispatcher

* Added TODOs

* Logging update

* Code cleanup

* Use namespace instead of class for ScsiDefs

* Renaming

* Cleanup

* Use dispatcher template in order to remove duplicate code

* Updated all dispatchers

* Clean up commands

* Removed duplicate code

* Removed duplicate code

* Updated template definition

* Fixed typo

* Fixed warning

* Code cleanup

* Device list must be static

* Cleanup

* Logging update

* Added comments

* Cleanup

* Base class update

* SCSIBR is not a subclass of Disk anymore, but of PrimaryDevice

* Updated includes

* Fixed compile-time issue on the Pi

* Header file cleanup

* Interface cleanup

* Removed wrong override

* include file cleanup

* Removed obsolete usage of streams

* Removed more stream usages

* Stream usage cleanup

* Include cleanup

* Renaming

* Include cleanup

* Interface update

* SCLP device skeleton

* Initial RELEASE/RESERVE UNIT

* Added full set of commands

* Extracted command phase code

* Stripped SCSI controller code

* Removed unused code

* Commented out code

* Initial naive implementation

* Added debug output

* Disable printing for now

* Updated file handling

* Updated DataOut()

* Added comment

* Updated assertion

* Comment update

* Updated assertion

* Code cleanup

* Reset bytes to transfer

* Reverted change

* Refactoring

* Moved assertion

* Updated ReceiveBytes()

* Removed override

* Added interface

* Code cleanup

* Updated TEST UNIT READY

* Added flag for byte-oriented transfer

* Updated TEST UNIT READY

* Length handling update

* Updated bytecount handling

* Fixed warning

* Added TODO

* Updated assertion

* Enabled priting

* Updated error handling

* Code cleanup

* Logging update

* First working version

* Use temporary file

* Logging update

* Handle parameters

* Updated format string

* Updated logging

* File handling update

* Code cleanup

* Fixed buffer size

* Updated file handling

* Manpage update

* Initial reservation handling

* Updated reservation handling

* Initial reservation testing

* Remember initiator ID

* Extract initiator ID

* Updated SCSI initiator ID handling

* Logging update

* Added reservation timeout

* Updated timeout handling

* Code cleanup

* Only pass initiator ID to *SCSI* controller

* Added comments

* Added comment

* Implemented STOP PRINT

* Comment update

* Comment update

* Comment update

* Added comment

* Comment update

* Removed useless comments

* Updated printer parameter handling

* Updated parameter handling

* Manpage update

* Manpage update

* Comment update

* Default printer product name update

* Renaming

* Updated logging

* Logging update

* Logging update

* Comment update

* Code cleanup

* Added printer shortcut

* Comment update

* Comment update

* Output formatting update

* Updated error handling

* Code cleanup

* More cleanup

* Revert "More cleanup"

This reverts commit 05708986ee.

* Output formatting update

* Output format update

* Sort parameters

* Comment update

* Improved parsing of parameters

* Manpage update

* Updated SCSI level

* Removed magic constants

* Removed magic constant

* Template update

* Template usage update

* Get rid of SASIDEV for printer

* Get rid of SASIDEV for host services

* Moved initiator_id field

* Moved field

* Moved field

* Added comment

* Error handling must use effective LUN

* Removed obsolete casts

* Removed unused method declarations

* Comment update

* Code cleanup

* More code cleanup

* Optimization

* Removed duplicate code

* Logging update

* Fixed warning

* Code cleanup

* Added TODOs

* TODO update

* Backwards compatibility update

* Comment update
2022-02-16 20:04:42 -06:00

62 lines
1.3 KiB
C++

//---------------------------------------------------------------------------
//
// SCSI Target Emulator RaSCSI (*^..^*)
// 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 <map>
using namespace std;
#define TMP_FILE_PATTERN "/tmp/rascsi_sclp-XXXXXX"
class SCSIPrinter: public PrimaryDevice, ScsiPrinterCommands
{
public:
SCSIPrinter();
~SCSIPrinter();
virtual bool Dispatch(SCSIDEV *) override;
bool Init(const map<string, string>&);
int Inquiry(const DWORD *, BYTE *) override;
void TestUnitReady(SCSIDEV *);
void ReserveUnit(SCSIDEV *);
void ReleaseUnit(SCSIDEV *);
void Print(SCSIDEV *);
void SynchronizeBuffer(SCSIDEV *);
void SendDiagnostic(SCSIDEV *);
void StopPrint(SCSIDEV *);
bool WriteBytes(BYTE *, uint32_t) override;
bool CheckReservation(SCSIDEV *);
void DiscardReservation();
void Cleanup();
private:
typedef PrimaryDevice super;
Dispatcher<SCSIPrinter, SCSIDEV> dispatcher;
char filename[sizeof(TMP_FILE_PATTERN) + 1];
int fd;
int reserving_initiator;
time_t reservation_time;
int timeout;
};