383 lines
12 KiB
C#
383 lines
12 KiB
C#
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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using Swan;
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using Swan.DependencyInjection;
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using Unosquare.RaspberryIO.Abstractions;
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using Unosquare.RaspberryIO.Native;
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namespace Unosquare.RaspberryIO.Computer {
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/// <summary>
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/// Retrieves the RaspberryPI System Information.
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///
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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 const Int32 NewStyleCodesMask = 0x800000;
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private BoardModel _boardModel;
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private ProcessorModel _processorModel;
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private Manufacturer _manufacturer;
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private MemorySize _memorySize;
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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 = typeof(SystemInfo).GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).Where(
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p => p.CanWrite && p.CanRead && (p.PropertyType == typeof(String) || p.PropertyType == typeof(String[]))).ToArray();
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Dictionary<String, PropertyInfo> propDictionary = new Dictionary<String, PropertyInfo>(StringComparer.OrdinalIgnoreCase);
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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[] propertyArrayValue = propertyStringValue.Split(' ');
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property.SetValue(this, propertyArrayValue);
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}
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}
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}
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#endregion
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this.ExtractMemoryInfo();
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this.ExtractBoardVersion();
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this.ExtractOS();
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}
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/// <summary>
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/// Gets the library version.
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/// </summary>
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public Version LibraryVersion {
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get; private set;
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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; set;
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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; set;
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}
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/// <summary>
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/// Gets the 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 BoardRevision {
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get; set;
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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; private set;
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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 revision number (accordingly to new-style revision codes).
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/// </summary>
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public Int32 RevisionNumber {
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get; set;
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}
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/// <summary>
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/// Gets the board model (accordingly to new-style revision codes).
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/// </summary>
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/// /// <exception cref="InvalidOperationException">This board does not support new-style revision codes. Use {nameof(RaspberryPiVersion)}.</exception>
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public BoardModel BoardModel => this.NewStyleRevisionCodes ? this._boardModel : throw new InvalidOperationException($"This board does not support new-style revision codes. Use {nameof(this.RaspberryPiVersion)} property instead.");
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/// <summary>
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/// Gets processor model (accordingly to new-style revision codes).
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/// </summary>
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/// /// <exception cref="InvalidOperationException">This board does not support new-style revision codes. Use {nameof(RaspberryPiVersion)}.</exception>
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public ProcessorModel ProcessorModel => this.NewStyleRevisionCodes ? this._processorModel : throw new InvalidOperationException($"This board does not support new-style revision codes. Use {nameof(this.RaspberryPiVersion)} property instead.");
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/// <summary>
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/// Gets the manufacturer of the board (accordingly to new-style revision codes).
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/// </summary>
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/// <exception cref="InvalidOperationException">This board does not support new-style revision codes. Use {nameof(RaspberryPiVersion)}.</exception>
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public Manufacturer Manufacturer => this.NewStyleRevisionCodes ? this._manufacturer : throw new InvalidOperationException($"This board does not support new-style revision codes. Use {nameof(this.RaspberryPiVersion)} property instead.");
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/// <summary>
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/// Gets the size of the memory (accordingly to new-style revision codes).
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/// </summary>
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/// <exception cref="InvalidOperationException">This board does not support new-style revision codes. Use {nameof(RaspberryPiVersion)}.</exception>
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public MemorySize MemorySize => this.NewStyleRevisionCodes ? this._memorySize : throw new InvalidOperationException($"This board does not support new-style revision codes. Use {nameof(this.RaspberryPiVersion)} property instead.");
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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 up-time (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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/// Indicates if the board uses the new-style revision codes.
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/// </summary>
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private Boolean NewStyleRevisionCodes {
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get; set;
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}
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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).GetProperties(BindingFlags.Instance | BindingFlags.Public).Where(
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p => p.CanRead && (p.PropertyType == typeof(String) || p.PropertyType == typeof(String[]) || p.PropertyType == typeof(Int32) || p.PropertyType == typeof(Boolean) || p.PropertyType == typeof(TimeSpan))).ToArray();
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List<String> propertyValues2 = new List<String> {
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"System Information",
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$"\t{nameof(this.LibraryVersion),-22}: {this.LibraryVersion}",
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$"\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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propertyValues2.Add($"\t{property.Name,-22}: {property.GetValue(this)}");
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} else if(property.GetValue(this) is String[] allValues) {
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String concatValues = String.Join(" ", allValues);
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propertyValues2.Add($"\t{property.Name,-22}: {concatValues}");
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}
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}
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return String.Join(Environment.NewLine, propertyValues2.ToArray());
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}
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private void ExtractOS() {
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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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}
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private void ExtractBoardVersion() {
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Boolean hasSysInfo = DependencyContainer.Current.CanResolve<ISystemInfo>();
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try {
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if(String.IsNullOrWhiteSpace(this.Revision) == false && Int32.TryParse(this.Revision.ToUpperInvariant(), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out Int32 boardVersion)) {
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this.RaspberryPiVersion = PiVersion.Unknown;
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if(Enum.IsDefined(typeof(PiVersion), boardVersion)) {
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this.RaspberryPiVersion = (PiVersion)boardVersion;
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}
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if((boardVersion & NewStyleCodesMask) == NewStyleCodesMask) {
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this.NewStyleRevisionCodes = true;
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this.RevisionNumber = boardVersion & 0xF;
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this._boardModel = (BoardModel)((boardVersion >> 4) & 0xFF);
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this._processorModel = (ProcessorModel)((boardVersion >> 12) & 0xF);
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this._manufacturer = (Manufacturer)((boardVersion >> 16) & 0xF);
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this._memorySize = (MemorySize)((boardVersion >> 20) & 0x7);
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}
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}
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if(hasSysInfo) {
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this.BoardRevision = (Int32)DependencyContainer.Current.Resolve<ISystemInfo>().BoardRevision;
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}
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} catch {
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/* Ignore */
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}
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if(hasSysInfo) {
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this.LibraryVersion = DependencyContainer.Current.Resolve<ISystemInfo>().LibraryVersion;
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}
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}
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private void ExtractMemoryInfo() {
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if(!File.Exists(MemInfoFilePath)) {
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return;
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}
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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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continue;
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}
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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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} |