mirror of https://github.com/akuker/RASCSI.git
130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator RaSCSI Reloaded
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// for Raspberry Pi
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//
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// Copyright (C) 2021-22 Uwe Seimet
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//
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//---------------------------------------------------------------------------
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#include "rascsi_version.h"
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#include "rasutil.h"
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#include <sstream>
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using namespace std;
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using namespace rascsi_interface;
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bool ras_util::GetAsInt(const string& value, int& result)
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{
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if (value.find_first_not_of("0123456789") != string::npos) {
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return false;
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}
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try {
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auto v = stoul(value);
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result = (int)v;
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}
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catch(const invalid_argument&) {
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return false;
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}
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catch(const out_of_range&) {
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return false;
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}
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return true;
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}
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string ras_util::Banner(const string& app)
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{
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ostringstream s;
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s << "SCSI Target Emulator RaSCSI " << app << " version " << rascsi_get_version_string()
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<< " (" << __DATE__ << ' ' << __TIME__ << ")\n";
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s << "Powered by XM6 TypeG Technology / ";
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s << "Copyright (C) 2016-2020 GIMONS\n";
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s << "Copyright (C) 2020-2022 Contributors to the RaSCSI Reloaded project\n";
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return s.str();
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}
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string ras_util::ListDevices(const list<PbDevice>& pb_devices)
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{
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if (pb_devices.empty()) {
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return "No devices currently attached.\n";
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}
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ostringstream s;
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s << "+----+-----+------+-------------------------------------\n"
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<< "| ID | LUN | TYPE | IMAGE FILE\n"
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<< "+----+-----+------+-------------------------------------\n";
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list<PbDevice> devices = pb_devices;
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devices.sort([](const auto& a, const auto& b) { return a.id() < b.id() || a.unit() < b.unit(); });
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for (const auto& device : devices) {
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string filename;
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switch (device.type()) {
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case SCBR:
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filename = "X68000 HOST BRIDGE";
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break;
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case SCDP:
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filename = "DaynaPort SCSI/Link";
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break;
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case SCHS:
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filename = "Host Services";
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break;
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case SCLP:
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filename = "SCSI Printer";
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break;
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default:
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filename = device.file().name();
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break;
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}
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s << "| " << device.id() << " | " << device.unit() << " | " << PbDeviceType_Name(device.type()) << " | "
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<< (filename.empty() ? "NO MEDIUM" : filename)
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<< (!device.status().removed() && (device.properties().read_only() || device.status().protected_()) ? " (READ-ONLY)" : "")
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<< '\n';
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}
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s << "+----+-----+------+-------------------------------------\n";
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return s.str();
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}
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string ras_util::GetExtensionLowerCase(const string& filename)
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{
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string ext;
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if (const size_t separator = filename.rfind('.'); separator != string::npos) {
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ext = filename.substr(separator + 1);
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}
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std::transform(ext.begin(), ext.end(), ext.begin(), [](unsigned char c){ return std::tolower(c); });
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return ext;
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}
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// Pin the thread to a specific CPU
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// TODO Check whether just using a single CPU really makes sense
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void ras_util::FixCpu(int cpu)
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{
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#ifdef __linux__
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// Get the number of CPUs
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cpu_set_t mask;
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CPU_ZERO(&mask);
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sched_getaffinity(0, sizeof(cpu_set_t), &mask);
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const int cpus = CPU_COUNT(&mask);
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// Set the thread affinity
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if (cpu < cpus) {
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CPU_ZERO(&mask);
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CPU_SET(cpu, &mask);
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sched_setaffinity(0, sizeof(cpu_set_t), &mask);
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}
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#endif
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}
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