RASCSI/cpp/devices/device.h
Uwe Seimet c41373d9bd
Use lambdas for dispatcher, code cleanup, test updates (#958)
* Using lambdas instead of member function pointers simplifies the command dispatching and reduces the code volume

* Removed duplicate error handling

* Fix for issue #956

* Unit test updates

* Resolved SonarQube issues
2022-11-02 15:36:19 +01:00

142 lines
3.8 KiB
C++

//---------------------------------------------------------------------------
//
// SCSI Target Emulator RaSCSI Reloaded
// for Raspberry Pi
//
// Copyright (C) 2021-2022 Uwe Seimet
//
//---------------------------------------------------------------------------
#pragma once
#include "rascsi_interface.pb.h"
#include <unordered_map>
#include <string>
using namespace std;
using namespace rascsi_interface;
class Device //NOSONAR The number of fields and methods is justified, the complexity is low
{
const string DEFAULT_VENDOR = "RaSCSI";
PbDeviceType type;
bool ready = false;
bool reset = false;
bool attn = false;
// Device is protectable/write-protected
bool protectable = false;
bool write_protected = false;
// Device is permanently read-only
bool read_only = false;
// Device can be stopped (parked)/is stopped (parked)
bool stoppable = false;
bool stopped = false;
// Device is removable/removed
bool removable = false;
bool removed = false;
// Device is lockable/locked
bool lockable = false;
bool locked = false;
// A device can be created with parameters
bool supports_params = false;
// A device can support an image file
bool supports_file = false;
// Immutable LUN
int lun;
// Device identifier (for INQUIRY)
string vendor = DEFAULT_VENDOR;
string product;
string revision;
// The parameters the device was created with
unordered_map<string, string> params;
// The default parameters
unordered_map<string, string> default_params;
// Sense Key and ASC
// MSB Reserved (0x00)
// Sense Key
// Additional Sense Code (ASC)
int status_code = 0;
protected:
void SetReady(bool b) { ready = b; }
bool IsReset() const { return reset; }
void SetReset(bool b) { reset = b; }
bool IsAttn() const { return attn; }
void SetAttn(bool b) { attn = b; }
void SetRemovable(bool b) { removable = b; }
void SetStoppable(bool b) { stoppable = b; }
void SetStopped(bool b) { stopped = b; }
void SetLockable(bool b) { lockable = b; }
void SetLocked(bool b) { locked = b; }
int GetStatusCode() const { return status_code; }
string GetParam(const string&) const;
void SetParams(const unordered_map<string, string>&);
Device(PbDeviceType, int);
public:
virtual ~Device() = default;
PbDeviceType GetType() const { return type; }
const char *GetTypeString() const { return PbDeviceType_Name(type).c_str(); }
bool IsReady() const { return ready; }
virtual void Reset();
bool IsProtectable() const { return protectable; }
void SetProtectable(bool b) { protectable = b; }
bool IsProtected() const { return write_protected; }
void SetProtected(bool);
bool IsReadOnly() const { return read_only; }
void SetReadOnly(bool b) { read_only = b; }
bool IsStoppable() const { return stoppable; }
bool IsStopped() const { return stopped; }
bool IsRemovable() const { return removable; }
bool IsRemoved() const { return removed; }
void SetRemoved(bool b) { removed = b; }
bool IsLockable() const { return lockable; }
bool IsLocked() const { return locked; }
virtual int GetId() const = 0;
int GetLun() const { return lun; }
string GetVendor() const { return vendor; }
void SetVendor(const string&);
string GetProduct() const { return product; }
void SetProduct(const string&, bool = true);
string GetRevision() const { return revision; }
void SetRevision(const string&);
string GetPaddedName() const;
bool SupportsParams() const { return supports_params; }
bool SupportsFile() const { return supports_file; }
void SupportsParams(bool b) { supports_params = b; }
void SupportsFile(bool b) { supports_file = b; }
unordered_map<string, string> GetParams() const { return params; }
void SetDefaultParams(const unordered_map<string, string>& p) { default_params = p; }
void SetStatusCode(int s) { status_code = s; }
bool Start();
void Stop();
virtual bool Eject(bool);
};