mirror of
https://github.com/openhardwaremonitor/openhardwaremonitor
synced 2025-09-05 08:45:38 +00:00
228 lines
7.8 KiB
C#
228 lines
7.8 KiB
C#
/*
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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the License.
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The Original Code is the Open Hardware Monitor code.
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The Initial Developer of the Original Code is
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Michael Möller <m.moeller@gmx.ch>.
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Portions created by the Initial Developer are Copyright (C) 2009-2010
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the Initial Developer. All Rights Reserved.
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Contributor(s): Paul Werelds
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Alternatively, the contents of this file may be used under the terms of
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either the GNU General Public License Version 2 or later (the "GPL"), or
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the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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in which case the provisions of the GPL or the LGPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of either the GPL or the LGPL, and not to allow others to
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use your version of this file under the terms of the MPL, indicate your
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decision by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL or the LGPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the MPL, the GPL or the LGPL.
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*/
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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.Text;
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namespace OpenHardwareMonitor.Hardware.HDD {
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internal class HDDGroup : IGroup {
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private const int MAX_DRIVES = 32;
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private readonly List<HDD> hardware = new List<HDD>();
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public HDDGroup(ISettings settings) {
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int p = (int)Environment.OSVersion.Platform;
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if (p == 4 || p == 128) return;
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for (int drive = 0; drive < MAX_DRIVES; drive++) {
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IntPtr handle = SMART.OpenPhysicalDrive(drive);
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if (handle == SMART.INVALID_HANDLE_VALUE)
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continue;
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if (!SMART.EnableSmart(handle, drive)) {
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SMART.CloseHandle(handle);
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continue;
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}
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string name = SMART.ReadName(handle, drive);
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if (name == null) {
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SMART.CloseHandle(handle);
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continue;
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}
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SMART.DriveAttribute[] attributes = SMART.ReadSmart(handle, drive);
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if (attributes.Length < 1) {
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SMART.CloseHandle(handle);
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continue;
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}
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SMART.AttributeID ssdLifeID = GetSSDLifeID(attributes);
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if (ssdLifeID == SMART.AttributeID.None) {
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SMART.AttributeID temperatureID = GetTemperatureIndex(attributes);
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if (temperatureID != SMART.AttributeID.None) {
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hardware.Add(new HDD(name, handle, drive, temperatureID,
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SMART.AttributeID.None, settings));
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continue;
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}
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} else {
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hardware.Add(new HDD(name, handle, drive, SMART.AttributeID.None,
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ssdLifeID, settings));
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continue;
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}
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SMART.CloseHandle(handle);
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}
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}
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private SMART.AttributeID GetSSDLifeID(SMART.DriveAttribute[] attributes) {
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// ID E9 is present on Intel, JM, SF and Samsung (different meanings)
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// ID D2 is present on Indilinx
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// Neither ID has been found on a mechanical hard drive (yet),
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// so this seems like a good way to check if it's an SSD.
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bool isKnownSSD = (
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Array.Exists(attributes, attr => attr.ID == new SMART.AttributeID(0xE9)) ||
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Array.Exists(attributes, attr => attr.ID == new SMART.AttributeID(0xD2))
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);
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if (!isKnownSSD) return SMART.AttributeID.None;
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// We start with a traditional loop, because there are 4 unique ID's
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// that potentially identify one of the vendors
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for (int i = 0; i < attributes.Length; i++) {
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if (attributes[i].ID == SMART.SamsungAttributes.RemainingLife)
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return SMART.SamsungAttributes.RemainingLife;
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if (attributes[i].ID == SMART.SandForceAttributes.ProgramFailCount)
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return SMART.SandForceAttributes.RemainingLife;
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if (attributes[i].ID == SMART.IndilinxAttributes.UnknownUnique)
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return SMART.IndilinxAttributes.RemainingLife;
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}
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// TODO: Find out JMicron's Life attribute ID; their unique ID = 0xE4
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// For Intel, we make sure we have their 3 most important ID's
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// We do a traditional loop again, because we all we need to know
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// is whether we can find all 3; pointless to use Exists()
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int intelRegisterCount = 0;
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foreach (SMART.DriveAttribute attribute in attributes) {
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if (attribute.ID == SMART.IntelAttributes.HostWrites ||
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attribute.ID == SMART.IntelAttributes.RemainingLife ||
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attribute.ID == SMART.IntelAttributes.MediaWearOutIndicator
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)
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intelRegisterCount++;
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}
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return (intelRegisterCount == 3)
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? SMART.IntelAttributes.RemainingLife
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: SMART.AttributeID.None;
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}
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private SMART.AttributeID GetTemperatureIndex(
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SMART.DriveAttribute[] attributes)
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{
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SMART.AttributeID[] validIds = new[] {
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SMART.CommonAttributes.Temperature,
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SMART.CommonAttributes.DriveTemperature,
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SMART.CommonAttributes.AirflowTemperature
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};
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foreach (SMART.AttributeID validId in validIds) {
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SMART.AttributeID id = validId;
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if (Array.Exists(attributes, attr => attr.ID == id))
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return validId;
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}
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return SMART.AttributeID.None;
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}
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public IHardware[] Hardware {
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get {
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return hardware.ToArray();
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}
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}
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public string GetReport() {
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int p = (int)Environment.OSVersion.Platform;
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if (p == 4 || p == 128) return null;
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StringBuilder r = new StringBuilder();
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r.AppendLine("S.M.A.R.T Data");
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r.AppendLine();
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for (int drive = 0; drive < MAX_DRIVES; drive++) {
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IntPtr handle = SMART.OpenPhysicalDrive(drive);
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if (handle == SMART.INVALID_HANDLE_VALUE)
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continue;
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if (!SMART.EnableSmart(handle, drive)) {
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SMART.CloseHandle(handle);
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continue;
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}
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string name = SMART.ReadName(handle, drive);
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if (name == null) {
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SMART.CloseHandle(handle);
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continue;
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}
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SMART.DriveAttribute[] attributes = SMART.ReadSmart(handle, drive);
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if (attributes.Length > 0) {
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r.AppendLine("Drive name: " + name);
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r.AppendLine();
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r.AppendFormat(CultureInfo.InvariantCulture, " {0}{1}{2}{3}{4}",
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("ID").PadRight(6),
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("RawValue").PadRight(20),
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("WorstValue").PadRight(12),
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("AttrValue").PadRight(12),
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Environment.NewLine);
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foreach (SMART.DriveAttribute a in attributes) {
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if (a.ID == SMART.AttributeID.None) continue;
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string raw = BitConverter.ToString(a.RawValue);
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r.AppendFormat(CultureInfo.InvariantCulture, " {0}{1}{2}{3}{4}",
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a.ID.ToString("d").PadRight(6),
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raw.Replace("-", " ").PadRight(20),
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a.WorstValue.ToString(CultureInfo.InvariantCulture).PadRight(12),
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a.AttrValue.ToString(CultureInfo.InvariantCulture).PadRight(12),
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Environment.NewLine);
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}
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r.AppendLine();
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}
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SMART.CloseHandle(handle);
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}
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return r.ToString();
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}
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public void Close() {
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foreach (HDD hdd in hardware)
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hdd.Close();
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}
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}
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}
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