343 lines
10 KiB
C#
343 lines
10 KiB
C#
using Unosquare.RaspberryIO.Native;
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using Unosquare.Swan.Abstractions;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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namespace Unosquare.RaspberryIO.Computer {
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/// <summary>
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/// http://raspberry-pi-guide.readthedocs.io/en/latest/system.html
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/// </summary>
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public sealed class SystemInfo : SingletonBase<SystemInfo> {
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private const String CpuInfoFilePath = "/proc/cpuinfo";
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private const String MemInfoFilePath = "/proc/meminfo";
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private const String UptimeFilePath = "/proc/uptime";
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private static readonly StringComparer StringComparer = StringComparer.InvariantCultureIgnoreCase;
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Codequalität", "IDE0052:Ungelesene private Member entfernen", Justification = "<Ausstehend>")]
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private static readonly Object SyncRoot = new Object();
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/// <summary>
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/// Prevents a default instance of the <see cref="SystemInfo"/> class from being created.
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/// </summary>
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/// <exception cref="NotSupportedException">Could not initialize the GPIO controller</exception>
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private SystemInfo() {
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#region Obtain and format a property dictionary
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PropertyInfo[] properties =
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typeof(SystemInfo).GetTypeInfo()
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.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
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.Where(
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p =>
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p.CanWrite && p.CanRead &&
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(p.PropertyType == typeof(String) || p.PropertyType == typeof(String[])))
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.ToArray();
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Dictionary<String, PropertyInfo> propDictionary = new Dictionary<String, PropertyInfo>(StringComparer);
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foreach(PropertyInfo prop in properties) {
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propDictionary[prop.Name.Replace(" ", String.Empty).ToLowerInvariant().Trim()] = prop;
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}
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#endregion
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#region Extract CPU information
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if(File.Exists(CpuInfoFilePath)) {
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String[] cpuInfoLines = File.ReadAllLines(CpuInfoFilePath);
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foreach(String line in cpuInfoLines) {
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String[] lineParts = line.Split(new[] { ':' }, 2);
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if(lineParts.Length != 2) {
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continue;
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}
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String propertyKey = lineParts[0].Trim().Replace(" ", String.Empty);
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String propertyStringValue = lineParts[1].Trim();
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if(!propDictionary.ContainsKey(propertyKey)) {
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continue;
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}
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PropertyInfo property = propDictionary[propertyKey];
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if(property.PropertyType == typeof(String)) {
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property.SetValue(this, propertyStringValue);
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} else if(property.PropertyType == typeof(String[])) {
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String[] propertyArrayAvalue = propertyStringValue.Split(' ');
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property.SetValue(this, propertyArrayAvalue);
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}
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}
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}
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#endregion
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#region Extract Memory Information
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if(File.Exists(MemInfoFilePath)) {
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String[] memInfoLines = File.ReadAllLines(MemInfoFilePath);
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foreach(String line in memInfoLines) {
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String[] lineParts = line.Split(new[] { ':' }, 2);
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if(lineParts.Length != 2) {
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continue;
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}
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if(lineParts[0].ToLowerInvariant().Trim().Equals("memtotal") == false) {
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continue;
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}
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String memKb = lineParts[1].ToLowerInvariant().Trim().Replace("kb", String.Empty).Trim();
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if(Int32.TryParse(memKb, out Int32 parsedMem)) {
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this.InstalledRam = parsedMem * 1024;
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break;
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}
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}
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}
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#endregion
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#region Board Version and Form Factor
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try {
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if(String.IsNullOrWhiteSpace(this.Revision) == false &&
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Int32.TryParse(
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this.Revision.ToUpperInvariant(),
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NumberStyles.HexNumber,
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CultureInfo.InvariantCulture,
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out Int32 boardVersion)) {
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this.RaspberryPiVersion = PiVersion.Unknown;
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if(Enum.GetValues(typeof(PiVersion)).Cast<Int32>().Contains(boardVersion)) {
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this.RaspberryPiVersion = (PiVersion)boardVersion;
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}
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}
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this.WiringPiBoardRevision = WiringPi.PiBoardRev();
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} catch {
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/* Ignore */
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}
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#endregion
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#region Version Information
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{
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String[] libParts = WiringPi.WiringPiLibrary.Split('.');
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Int32 major = Int32.Parse(libParts[libParts.Length - 2]);
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Int32 minor = Int32.Parse(libParts[libParts.Length - 1]);
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Version version = new Version(major, minor);
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this.WiringPiVersion = version;
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}
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#endregion
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#region Extract OS Info
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try {
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_ = Standard.Uname(out SystemName unameInfo);
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this.OperatingSystem = new OsInfo {
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DomainName = unameInfo.DomainName,
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Machine = unameInfo.Machine,
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NodeName = unameInfo.NodeName,
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Release = unameInfo.Release,
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SysName = unameInfo.SysName,
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Version = unameInfo.Version
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};
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} catch {
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this.OperatingSystem = new OsInfo();
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}
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#endregion
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}
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/// <summary>
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/// Gets the wiring pi library version.
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/// </summary>
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public Version WiringPiVersion {
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get;
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}
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/// <summary>
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/// Gets the OS information.
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/// </summary>
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/// <value>
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/// The os information.
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/// </value>
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public OsInfo OperatingSystem {
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get;
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}
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/// <summary>
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/// Gets the Raspberry Pi version.
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/// </summary>
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public PiVersion RaspberryPiVersion {
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get;
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}
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/// <summary>
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/// Gets the Wiring Pi board revision (1 or 2).
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/// </summary>
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/// <value>
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/// The wiring pi board revision.
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/// </value>
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public Int32 WiringPiBoardRevision {
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get;
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}
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/// <summary>
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/// Gets the number of processor cores.
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/// </summary>
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public Int32 ProcessorCount => Int32.TryParse(this.Processor, out Int32 outIndex) ? outIndex + 1 : 0;
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/// <summary>
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/// Gets the installed ram in bytes.
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/// </summary>
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public Int32 InstalledRam {
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get;
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}
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/// <summary>
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/// Gets a value indicating whether this CPU is little endian.
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/// </summary>
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public Boolean IsLittleEndian => BitConverter.IsLittleEndian;
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/// <summary>
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/// Gets the CPU model name.
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/// </summary>
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public String ModelName {
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get; private set;
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}
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/// <summary>
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/// Gets a list of supported CPU features.
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/// </summary>
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public String[] Features {
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get; private set;
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}
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/// <summary>
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/// Gets the CPU implementer hex code.
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/// </summary>
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public String CpuImplementer {
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get; private set;
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}
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/// <summary>
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/// Gets the CPU architecture code.
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/// </summary>
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public String CpuArchitecture {
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get; private set;
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}
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/// <summary>
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/// Gets the CPU variant code.
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/// </summary>
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public String CpuVariant {
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get; private set;
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}
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/// <summary>
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/// Gets the CPU part code.
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/// </summary>
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public String CpuPart {
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get; private set;
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}
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/// <summary>
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/// Gets the CPU revision code.
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/// </summary>
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public String CpuRevision {
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get; private set;
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}
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/// <summary>
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/// Gets the hardware model number.
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/// </summary>
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public String Hardware {
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get; private set;
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}
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/// <summary>
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/// Gets the hardware revision number.
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/// </summary>
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public String Revision {
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get; private set;
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}
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/// <summary>
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/// Gets the serial number.
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/// </summary>
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public String Serial {
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get; private set;
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}
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/// <summary>
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/// Gets the system uptime (in seconds).
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/// </summary>
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public Double Uptime {
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get {
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try {
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if(File.Exists(UptimeFilePath) == false) {
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return 0;
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}
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String[] parts = File.ReadAllText(UptimeFilePath).Trim().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
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if(parts.Length >= 1 && Single.TryParse(parts[0], out Single result)) {
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return result;
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}
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} catch {
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/* Ignore */
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}
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return 0;
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}
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}
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/// <summary>
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/// Gets the uptime in TimeSpan.
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/// </summary>
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public TimeSpan UptimeTimeSpan => TimeSpan.FromSeconds(this.Uptime);
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/// <summary>
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/// Placeholder for processor index
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/// </summary>
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private String Processor {
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get; set;
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}
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/// <summary>
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/// Returns a <see cref="String" /> that represents this instance.
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/// </summary>
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/// <returns>
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/// A <see cref="String" /> that represents this instance.
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/// </returns>
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public override String ToString() {
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PropertyInfo[] properties = typeof(SystemInfo).GetTypeInfo().GetProperties(BindingFlags.Instance | BindingFlags.Public)
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.Where(p => p.CanRead && (
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p.PropertyType == typeof(String) ||
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p.PropertyType == typeof(String[]) ||
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p.PropertyType == typeof(Int32) ||
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p.PropertyType == typeof(Boolean) ||
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p.PropertyType == typeof(TimeSpan)))
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.ToArray();
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List<String> properyValues = new List<String>
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{
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"System Information",
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$"\t{nameof(this.WiringPiVersion),-22}: {this.WiringPiVersion}",
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$"\t{nameof(this.RaspberryPiVersion),-22}: {this.RaspberryPiVersion}"
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};
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foreach(PropertyInfo property in properties) {
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if(property.PropertyType != typeof(String[])) {
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properyValues.Add($"\t{property.Name,-22}: {property.GetValue(this)}");
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} else if(property.GetValue(this) is String[] allValues) {
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String concatValues = String.Join(" ", allValues);
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properyValues.Add($"\t{property.Name,-22}: {concatValues}");
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}
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}
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return String.Join(Environment.NewLine, properyValues.ToArray());
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}
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}
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} |