mirror of https://github.com/akuker/RASCSI.git
85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator PiSCSI
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// for Raspberry Pi
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//
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// Copyright (C) 2022 Uwe Seimet
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//
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//---------------------------------------------------------------------------
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#include "devices/device_factory.h"
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#include "devices/primary_device.h"
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#include "scsi_controller.h"
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#include "controller_manager.h"
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using namespace std;
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bool ControllerManager::AttachToScsiController(int id, shared_ptr<PrimaryDevice> device)
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{
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auto controller = FindController(id);
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if (controller != nullptr) {
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return controller->AddDevice(device);
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}
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// If there is no LUN yet the first LUN must be LUN 0
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if (device->GetLun() == 0) {
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controller = make_shared<ScsiController>(shared_from_this(), id);
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if (controller->AddDevice(device)) {
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controllers[id] = controller;
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return true;
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}
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}
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return false;
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}
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bool ControllerManager::DeleteController(shared_ptr<AbstractController> controller)
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{
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return controllers.erase(controller->GetTargetId()) == 1;
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}
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shared_ptr<AbstractController> ControllerManager::IdentifyController(int data) const
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{
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for (const auto& [id, controller] : controllers) {
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if (data & (1 << controller->GetTargetId())) {
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return controller;
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}
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}
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return nullptr;
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}
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shared_ptr<AbstractController> ControllerManager::FindController(int target_id) const
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{
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const auto& it = controllers.find(target_id);
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return it == controllers.end() ? nullptr : it->second;
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}
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unordered_set<shared_ptr<PrimaryDevice>> ControllerManager::GetAllDevices() const
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{
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unordered_set<shared_ptr<PrimaryDevice>> devices;
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for (const auto& [id, controller] : controllers) {
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const auto& d = controller->GetDevices();
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devices.insert(d.begin(), d.end());
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}
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return devices;
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}
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void ControllerManager::DeleteAllControllers()
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{
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controllers.clear();
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}
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shared_ptr<PrimaryDevice> ControllerManager::GetDeviceByIdAndLun(int id, int lun) const
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{
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if (const auto& controller = FindController(id); controller != nullptr) {
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return controller->GetDeviceForLun(lun);
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}
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return nullptr;
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}
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