1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Management;
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24 | using HeuristicLab.Algorithms.Benchmarks;
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25 | using HeuristicLab.Data;
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26 | using HeuristicLab.Optimization;
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27 |
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28 | namespace HeuristicLab.Clients.Access {
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29 | public static class ClientInformationUtils {
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30 |
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31 | public static int GetNumberOfCores() {
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32 | return Environment.ProcessorCount;
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33 | }
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34 |
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35 | public static string GetOperatingSystem() {
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36 | return Environment.OSVersion.VersionString;
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37 | }
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38 |
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39 | public static string GetMachineName() {
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40 | return Environment.MachineName;
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41 | }
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42 |
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43 | public static Guid GetUniqueMachineId() {
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44 | Guid id;
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45 | try {
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46 | id = GetUniqueMachineIdFromMac();
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47 | }
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48 | catch {
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49 | // fallback if something goes wrong...
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50 | id = new Guid(Environment.MachineName.GetHashCode(), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
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51 | }
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52 | return id;
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53 | }
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54 |
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55 | /// <summary>
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56 | /// returns total physical memory of the machine in MB
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57 | /// </summary>
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58 | public static int? GetPhysicalMemory() {
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59 | long? res = GetWMIValue("Win32_ComputerSystem", "TotalPhysicalMemory");
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60 | if (res != null)
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61 | return (int)(res / 1024 / 1024);
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62 | else
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63 | return null;
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64 | }
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65 |
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66 | /// <summary>
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67 | /// returns CPU frequence of the machine in Mhz
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68 | /// </summary>
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69 | public static int? GetCpuSpeed() {
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70 | return (int)GetWMIValue("Win32_Processor", "MaxClockSpeed");
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71 | }
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72 |
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73 | /// <summary>
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74 | /// Generate a guid based on mac address of the first found nic (yes, mac addresses are not unique...)
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75 | /// and the machine name.
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76 | /// Format:
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77 | ///
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78 | /// D1 D2 D3 Res. D4
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79 | /// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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80 | /// |n a m e|0 0|0 0|0 0 mac address|
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81 | /// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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82 | ///
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83 | /// The mac address is saved in the last 48 bits of the Data 4 segment
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84 | /// of the guid (first 2 bytes of Data 4 are reserved).
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85 | /// D1 contains the hash of the machinename.
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86 | /// </summary>
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87 | private static Guid GetUniqueMachineIdFromMac() {
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88 | ManagementClass mgtClass = new ManagementClass("Win32_NetworkAdapterConfiguration");
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89 | ManagementObjectCollection mgtCol = mgtClass.GetInstances();
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90 |
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91 | foreach (ManagementObject mgtObj in mgtCol) {
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92 | foreach (var prop in mgtObj.Properties) {
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93 | if (prop.Value != null && prop.Name == "MACAddress") {
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94 | try {
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95 | //simply take the first nic
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96 | string mac = prop.Value.ToString();
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97 | byte[] b = new byte[8];
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98 | string[] macParts = mac.Split(':');
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99 | if (macParts.Length == 6) {
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100 | for (int i = 0; i < macParts.Length; i++) {
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101 | b[i + 2] = (byte)((ParseNybble(macParts[i][0]) << 4) | ParseNybble(macParts[i][1]));
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102 | }
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103 |
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104 | // also get machine name and save it to the first 4 bytes
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105 | Guid guid = new Guid(Environment.MachineName.GetHashCode(), 0, 0, b);
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106 | return guid;
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107 | } else
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108 | throw new Exception("Error getting mac addresse");
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109 | }
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110 | catch {
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111 | throw new Exception("Error getting mac addresse");
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112 | }
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113 | }
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114 | }
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115 | }
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116 | throw new Exception("Error getting mac addresse");
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117 | }
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118 |
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119 | /// <summary>
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120 | /// return numeric value of a single hex-char
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121 | /// (see: http://stackoverflow.com/questions/854012/how-to-convert-hex-to-a-byte-array)
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122 | /// </summary>
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123 | private static int ParseNybble(char c) {
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124 | if (c >= '0' && c <= '9') {
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125 | return c - '0';
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126 | }
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127 | if (c >= 'A' && c <= 'F') {
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128 | return c - 'A' + 10;
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129 | }
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130 | if (c >= 'a' && c <= 'f') {
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131 | return c - 'a' + 10;
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132 | }
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133 | throw new ArgumentException("Invalid hex digit: " + c);
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134 | }
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135 |
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136 | private static long? GetWMIValue(string clazz, string property) {
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137 | ManagementClass mgtClass = new ManagementClass(clazz);
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138 | ManagementObjectCollection mgtCol = mgtClass.GetInstances();
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139 |
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140 | foreach (ManagementObject mgtObj in mgtCol) {
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141 | foreach (var prop in mgtObj.Properties) {
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142 | if (prop.Value != null && prop.Name == property) {
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143 | try {
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144 | return long.Parse(prop.Value.ToString());
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145 | }
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146 | catch {
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147 | return null;
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148 | }
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149 | }
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150 | }
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151 | }
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152 | return null;
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153 | }
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154 |
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155 | public static double RunBenchmark() {
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156 | Linpack linpack = new Linpack();
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157 | ResultCollection results = new ResultCollection();
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158 | linpack.Run(new System.Threading.CancellationToken(), results);
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159 | DoubleValue mflops = (DoubleValue)results["Mflops/s"].Value;
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160 | return mflops.Value;
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161 | }
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162 | }
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163 | }
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