mirror of
https://github.com/openhardwaremonitor/openhardwaremonitor
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Added a RAM hardware and sensor, fixed Issue 115.
This commit is contained in:
Michael Möller
388
Hardware/SMBIOS.cs
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388
Hardware/SMBIOS.cs
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@@ -0,0 +1,388 @@
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/*
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Management;
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using System.Text;
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namespace OpenHardwareMonitor.Hardware {
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internal class SMBIOS {
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private readonly byte[] raw;
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private readonly Structure[] table;
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private readonly Version version;
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private readonly BIOSInformation biosInformation;
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private readonly SystemInformation systemInformation;
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private readonly BaseBoardInformation baseBoardInformation;
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private readonly MemoryDevice[] memoryDevices;
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private static string ReadSysFS(string path) {
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try {
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if (File.Exists(path)) {
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using (StreamReader reader = new StreamReader(path))
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return reader.ReadLine();
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} else {
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return null;
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}
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} catch {
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return null;
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}
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}
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public SMBIOS() {
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int p = (int)Environment.OSVersion.Platform;
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if ((p == 4) || (p == 128)) {
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this.raw = null;
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this.table = null;
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string boardVendor = ReadSysFS("/sys/class/dmi/id/board_vendor");
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string boardName = ReadSysFS("/sys/class/dmi/id/board_name");
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string boardVersion = ReadSysFS("/sys/class/dmi/id/board_version");
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this.baseBoardInformation = new BaseBoardInformation(
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boardVendor, boardName, boardVersion, null);
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string systemVendor = ReadSysFS("/sys/class/dmi/id/sys_vendor");
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string productName = ReadSysFS("/sys/class/dmi/id/product_name");
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string productVersion = ReadSysFS("/sys/class/dmi/id/product_version");
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this.systemInformation = new SystemInformation(systemVendor,
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productName, productVersion, null, null);
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string biosVendor = ReadSysFS("/sys/class/dmi/id/bios_vendor");
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string biosVersion = ReadSysFS("/sys/class/dmi/id/bios_version");
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this.biosInformation = new BIOSInformation(biosVendor, biosVersion);
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this.memoryDevices = new MemoryDevice[0];
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} else {
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List<Structure> structureList = new List<Structure>();
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List<MemoryDevice> memoryDeviceList = new List<MemoryDevice>();
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raw = null;
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byte majorVersion = 0;
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byte minorVersion = 0;
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try {
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ManagementObjectCollection collection;
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using (ManagementObjectSearcher searcher =
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new ManagementObjectSearcher("root\\WMI",
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"SELECT * FROM MSSMBios_RawSMBiosTables")) {
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collection = searcher.Get();
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}
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foreach (ManagementObject mo in collection) {
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raw = (byte[])mo["SMBiosData"];
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majorVersion = (byte)mo["SmbiosMajorVersion"];
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minorVersion = (byte)mo["SmbiosMinorVersion"];
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break;
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}
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} catch { }
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if (majorVersion > 0 || minorVersion > 0)
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version = new Version(majorVersion, minorVersion);
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if (raw != null && raw.Length > 0) {
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int offset = 0;
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byte type = raw[offset];
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while (offset + 4 < raw.Length && type != 127) {
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type = raw[offset];
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int length = raw[offset + 1];
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ushort handle = (ushort)((raw[offset + 2] << 8) | raw[offset + 3]);
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if (offset + length > raw.Length)
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break;
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byte[] data = new byte[length];
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Array.Copy(raw, offset, data, 0, length);
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offset += length;
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List<string> stringsList = new List<string>();
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if (offset < raw.Length && raw[offset] == 0)
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offset++;
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while (offset < raw.Length && raw[offset] != 0) {
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StringBuilder sb = new StringBuilder();
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while (offset < raw.Length && raw[offset] != 0) {
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sb.Append((char)raw[offset]); offset++;
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}
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offset++;
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stringsList.Add(sb.ToString());
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}
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offset++;
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switch (type) {
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case 0x00:
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this.biosInformation = new BIOSInformation(
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type, handle, data, stringsList.ToArray());
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structureList.Add(this.biosInformation); break;
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case 0x01:
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this.systemInformation = new SystemInformation(
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type, handle, data, stringsList.ToArray());
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structureList.Add(this.systemInformation); break;
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case 0x02: this.baseBoardInformation = new BaseBoardInformation(
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type, handle, data, stringsList.ToArray());
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structureList.Add(this.baseBoardInformation); break;
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case 0x11: MemoryDevice m = new MemoryDevice(
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type, handle, data, stringsList.ToArray());
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memoryDeviceList.Add(m);
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structureList.Add(m); break;
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default: structureList.Add(new Structure(
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type, handle, data, stringsList.ToArray())); break;
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}
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}
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}
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memoryDevices = memoryDeviceList.ToArray();
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table = structureList.ToArray();
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}
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}
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public string GetReport() {
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StringBuilder r = new StringBuilder();
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if (version != null) {
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r.Append("SMBIOS Version: "); r.AppendLine(version.ToString(2));
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r.AppendLine();
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}
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if (BIOS != null) {
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r.Append("BIOS Vendor: "); r.AppendLine(BIOS.Vendor);
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r.Append("BIOS Version: "); r.AppendLine(BIOS.Version);
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r.AppendLine();
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}
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if (System != null) {
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r.Append("System Manufacturer: ");
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r.AppendLine(System.ManufacturerName);
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r.Append("System Name: ");
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r.AppendLine(System.ProductName);
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r.Append("System Version: ");
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r.AppendLine(System.Version);
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r.AppendLine();
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}
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if (Board != null) {
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r.Append("Mainboard Manufacturer: ");
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r.AppendLine(Board.ManufacturerName);
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r.Append("Mainboard Name: ");
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r.AppendLine(Board.ProductName);
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r.Append("Mainboard Version: ");
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r.AppendLine(Board.Version);
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r.AppendLine();
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}
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for (int i = 0; i < MemoryDevices.Length; i++) {
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r.Append("Memory Device [" + i + "] Manufacturer: ");
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r.AppendLine(MemoryDevices[i].ManufacturerName);
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r.Append("Memory Device [" + i + "] Part Number: ");
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r.AppendLine(MemoryDevices[i].PartNumber);
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r.AppendLine();
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}
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if (raw != null) {
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string base64 = Convert.ToBase64String(raw);
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r.AppendLine("SMBIOS Table");
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r.AppendLine();
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for (int i = 0; i < Math.Ceiling(base64.Length / 64.0); i++) {
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r.Append(" ");
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for (int j = 0; j < 0x40; j++) {
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int index = (i << 6) | j;
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if (index < base64.Length) {
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r.Append(base64[index]);
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}
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}
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r.AppendLine();
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}
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r.AppendLine();
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}
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return r.ToString();
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}
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public BIOSInformation BIOS {
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get { return biosInformation; }
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}
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public SystemInformation System {
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get { return systemInformation; }
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}
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public BaseBoardInformation Board {
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get { return baseBoardInformation; }
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}
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public MemoryDevice[] MemoryDevices {
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get { return memoryDevices; }
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}
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public class Structure {
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private readonly byte type;
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private readonly ushort handle;
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private readonly byte[] data;
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private readonly string[] strings;
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protected string GetString(int offset) {
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if (offset < data.Length && data[offset] > 0 &&
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data[offset] <= strings.Length)
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return strings[data[offset] - 1];
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else
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return "";
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}
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public Structure(byte type, ushort handle, byte[] data, string[] strings)
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{
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this.type = type;
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this.handle = handle;
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this.data = data;
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this.strings = strings;
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}
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public byte Type { get { return type; } }
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public ushort Handle { get { return handle; } }
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}
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public class BIOSInformation : Structure {
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private readonly string vendor;
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private readonly string version;
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public BIOSInformation(string vendor, string version)
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: base (0x00, 0, null, null)
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{
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this.vendor = vendor;
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this.version = version;
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}
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public BIOSInformation(byte type, ushort handle, byte[] data,
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string[] strings)
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: base(type, handle, data, strings)
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{
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this.vendor = GetString(0x04);
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this.version = GetString(0x05);
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}
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public string Vendor { get { return vendor; } }
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public string Version { get { return version; } }
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}
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public class SystemInformation : Structure {
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private readonly string manufacturerName;
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private readonly string productName;
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private readonly string version;
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private readonly string serialNumber;
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private readonly string family;
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public SystemInformation(string manufacturerName, string productName,
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string version, string serialNumber, string family)
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: base (0x01, 0, null, null)
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{
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this.manufacturerName = manufacturerName;
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this.productName = productName;
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this.version = version;
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this.serialNumber = serialNumber;
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this.family = family;
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}
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public SystemInformation(byte type, ushort handle, byte[] data,
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string[] strings)
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: base(type, handle, data, strings)
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{
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this.manufacturerName = GetString(0x04);
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this.productName = GetString(0x05);
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this.version = GetString(0x06);
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this.serialNumber = GetString(0x07);
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this.family = GetString(0x1A);
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}
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public string ManufacturerName { get { return manufacturerName; } }
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public string ProductName { get { return productName; } }
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public string Version { get { return version; } }
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public string SerialNumber { get { return serialNumber; } }
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public string Family { get { return family; } }
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}
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public class BaseBoardInformation : Structure {
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private readonly string manufacturerName;
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private readonly string productName;
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private readonly string version;
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private readonly string serialNumber;
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public BaseBoardInformation(string manufacturerName, string productName,
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string version, string serialNumber)
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: base(0x02, 0, null, null)
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{
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this.manufacturerName = manufacturerName;
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this.productName = productName;
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this.version = version;
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this.serialNumber = serialNumber;
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}
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public BaseBoardInformation(byte type, ushort handle, byte[] data,
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string[] strings)
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: base(type, handle, data, strings) {
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this.manufacturerName = GetString(0x04).Trim();
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this.productName = GetString(0x05).Trim();
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this.version = GetString(0x06).Trim();
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this.serialNumber = GetString(0x07).Trim();
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}
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public string ManufacturerName { get { return manufacturerName; } }
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public string ProductName { get { return productName; } }
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public string Version { get { return version; } }
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public string SerialNumber { get { return serialNumber; } }
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}
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public class MemoryDevice : Structure {
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private readonly string manufacturerName;
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private readonly string serialNumber;
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private readonly string partNumber;
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public MemoryDevice(string manufacturerName, string serialNumber,
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string partNumber)
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: base(0x11, 0, null, null) {
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this.manufacturerName = manufacturerName;
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this.serialNumber = serialNumber;
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this.partNumber = partNumber;
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}
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public MemoryDevice(byte type, ushort handle, byte[] data,
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string[] strings)
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: base(type, handle, data, strings) {
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this.manufacturerName = GetString(0x17).Trim();
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this.serialNumber = GetString(0x18).Trim();
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this.partNumber = GetString(0x1A).Trim();
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}
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public string ManufacturerName { get { return manufacturerName; } }
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public string SerialNumber { get { return serialNumber; } }
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public string PartNumber { get { return partNumber; } }
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}
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}
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}
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