RASCSI/cpp/piscsi/piscsi_executor.h

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//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Copyright (C) 2021-2023 Uwe Seimet
//
//---------------------------------------------------------------------------
#pragma once
#include "hal/bus.h"
#include "controllers/controller_manager.h"
#include <unordered_set>
class DeviceFactory;
class PrimaryDevice;
class StorageDevice;
class CommandContext;
class PiscsiExecutor
{
public:
PiscsiExecutor(BUS& bus, ControllerManager& controller_manager) : bus(bus), controller_manager(controller_manager) {}
~PiscsiExecutor() = default;
// TODO At least some of these methods should be private, currently they are directly called by the unit tests
auto GetReservedIds() const { return reserved_ids; }
bool ProcessDeviceCmd(const CommandContext&, const PbDeviceDefinition&, bool);
bool ProcessCmd(const CommandContext&);
bool Start(PrimaryDevice&, bool) const;
bool Stop(PrimaryDevice&, bool) const;
bool Eject(PrimaryDevice&, bool) const;
bool Protect(PrimaryDevice&, bool) const;
bool Unprotect(PrimaryDevice&, bool) const;
bool Attach(const CommandContext&, const PbDeviceDefinition&, bool);
bool Insert(const CommandContext&, const PbDeviceDefinition&, const shared_ptr<PrimaryDevice>&, bool) const;
bool Detach(const CommandContext&, PrimaryDevice&, bool);
void DetachAll();
string SetReservedIds(string_view);
bool ValidateImageFile(const CommandContext&, StorageDevice&, const string&) const;
string PrintCommand(const PbCommand&, const PbDeviceDefinition&) const;
string EnsureLun0(const PbCommand&) const;
bool VerifyExistingIdAndLun(const CommandContext&, int, int) const;
shared_ptr<PrimaryDevice> CreateDevice(const CommandContext&, const PbDeviceType, int, const string&) const;
bool SetSectorSize(const CommandContext&, shared_ptr<PrimaryDevice>, int) const;
static bool ValidateOperationAgainstDevice(const CommandContext&, const PrimaryDevice&, PbOperation);
static bool ValidateIdAndLun(const CommandContext&, int, int);
static bool SetProductData(const CommandContext&, const PbDeviceDefinition&, PrimaryDevice&);
private:
static bool CheckForReservedFile(const CommandContext&, const string&);
BUS& bus;
ControllerManager& controller_manager;
const DeviceFactory device_factory;
unordered_set<int> reserved_ids;
};