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source: trunk/sources/HeuristicLab.Clients.Hive.Slave/3.3/Manager/ConfigManager.cs @ 7171

Last change on this file since 7171 was 7171, checked in by ascheibe, 12 years ago

#1672 communication with ui should be more stable now

File size: 8.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Diagnostics;
25using System.Linq;
26using System.Management;
27using HeuristicLab.Clients.Hive.SlaveCore.Properties;
28
29
30namespace HeuristicLab.Clients.Hive.SlaveCore {
31  /// <summary>
32  /// accesses the server and sends his data (uuid, uptimes, hardware config)
33  /// </summary>
34  public class ConfigManager {
35    private static ConfigManager instance = null;
36    public static ConfigManager Instance {
37      get { return instance; }
38      set { instance = value; }
39    }
40
41    /// <summary>
42    /// if Asleep is true, the Slave won't accept any new jobs
43    /// </summary>
44    public bool Asleep { get; set; }
45    private TaskManager jobManager;
46    private Slave slave;
47    private PerformanceCounter cpuCounter;
48    private PerformanceCounter memCounter;
49
50    /// <summary>
51    /// Constructor for the singleton, must recover Guid, Calendar, ...
52    /// </summary>
53    public ConfigManager(TaskManager jobManager) {
54      this.jobManager = jobManager;
55      cpuCounter = new PerformanceCounter();
56      cpuCounter.CategoryName = "Processor";
57      cpuCounter.CounterName = "% Processor Time";
58      cpuCounter.InstanceName = "_Total";
59      memCounter = new PerformanceCounter("Memory", "Available Bytes", true);
60
61      Asleep = false;
62      slave = new Slave();
63      slave.Id = GetUniqueMachineId();
64      slave.Name = Environment.MachineName;
65      slave.Cores = Environment.ProcessorCount;
66      slave.Memory = GetPhysicalMemory();
67      slave.CpuArchitecture = Environment.Is64BitOperatingSystem ? CpuArchitecture.x64 : CpuArchitecture.x86;
68      slave.OperatingSystem = Environment.OSVersion.VersionString;
69      slave.CpuSpeed = GetCpuSpeed();
70
71      UpdateSlaveInfo();
72    }
73
74    private void UpdateSlaveInfo() {
75      if (slave != null) {
76        slave.FreeMemory = GetFreeMemory();
77        slave.HbInterval = (int)Settings.Default.HeartbeatInterval.TotalSeconds;
78      }
79    }
80
81    /// <summary>
82    /// Get all the Information about the client
83    /// </summary>
84    /// <returns>the ClientInfo object</returns>
85    public Slave GetClientInfo() {
86      UpdateSlaveInfo();
87      return slave;
88    }
89
90    public int GetFreeCores() {
91      return slave.Cores.HasValue ? slave.Cores.Value - SlaveStatusInfo.UsedCores : 0;
92    }
93
94    /// <summary>
95    /// collects and returns information that get displayed by the Client Console
96    /// </summary>
97    /// <returns></returns>
98    public StatusCommons GetStatusForClientConsole() {
99      StatusCommons st = new StatusCommons();
100      st.ClientGuid = slave.Id;
101
102      st.Status = WcfService.Instance.ConnState;
103      st.ConnectedSince = WcfService.Instance.ConnectedSince;
104
105      st.TotalCores = slave.Cores.HasValue ? slave.Cores.Value : 0;
106      st.FreeCores = GetFreeCores();
107      st.Asleep = this.Asleep;
108
109      st.JobsStarted = SlaveStatusInfo.TasksStarted;
110      st.JobsAborted = SlaveStatusInfo.TasksAborted;
111      st.JobsFinished = SlaveStatusInfo.TasksFinished;
112      st.JobsFetched = SlaveStatusInfo.TasksFetched;
113      st.JobsFailed = SlaveStatusInfo.TasksFailed;
114      st.ExceptionsOccured = SlaveStatusInfo.ExceptionsOccured;
115
116      st.Jobs = jobManager.GetExecutionTimes().Select(x => new TaskStatus { TaskId = x.Key, ExecutionTime = x.Value }).ToList();
117
118      return st;
119    }
120
121    public Dictionary<Guid, TimeSpan> GetExecutionTimeOfAllJobs() {
122      Dictionary<Guid, TimeSpan> prog = new Dictionary<Guid, TimeSpan>();
123      try {
124        prog = jobManager.GetExecutionTimes();
125      }
126      catch (Exception ex) {
127        SlaveClientCom.Instance.LogMessage(string.Format("Exception was thrown while trying to get execution times: {0}", ex.Message));
128      }
129      return prog;
130    }
131
132    public static Guid GetUniqueMachineId() {
133      Guid id;
134      try {
135        id = GetUniqueMachineIdFromMac();
136      }
137      catch {
138        // fallback if something goes wrong...       
139        id = new Guid(Environment.MachineName.GetHashCode(), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
140      }
141      return id;
142    }
143
144    /// <summary>
145    /// returns total physical memory of the machine in MB
146    /// </summary>
147    private static int? GetPhysicalMemory() {
148      long? res = GetWMIValue("Win32_ComputerSystem", "TotalPhysicalMemory");
149      if (res != null)
150        return (int)(res / 1024 / 1024);
151      else
152        return null;
153    }
154
155    /// <summary>
156    /// returns CPU frequence of the machine in Mhz
157    /// </summary>
158    private static int? GetCpuSpeed() {
159      return (int)GetWMIValue("Win32_Processor", "MaxClockSpeed");
160    }
161
162    /// <summary>
163    /// Generate a guid based on mac address of the first found nic (yes, mac addresses are not unique...)
164    /// and the machine name.
165    /// Format:
166    ///
167    ///  D1      D2  D3  Res.   D4
168    /// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
169    /// |n a m e|0 0|0 0|0 0 mac address|
170    /// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
171    ///
172    /// The mac address is saved in the last 48 bits of the Data 4 segment
173    /// of the guid (first 2 bytes of Data 4 are reserved).
174    /// D1 contains the hash of the machinename.
175    /// </summary>   
176    private static Guid GetUniqueMachineIdFromMac() {
177      ManagementClass mgtClass = new ManagementClass("Win32_NetworkAdapterConfiguration");
178      ManagementObjectCollection mgtCol = mgtClass.GetInstances();
179
180      foreach (ManagementObject mgtObj in mgtCol) {
181        foreach (var prop in mgtObj.Properties) {
182          if (prop.Value != null && prop.Name == "MACAddress") {
183            try {
184              //simply take the first nic
185              string mac = prop.Value.ToString();
186              byte[] b = new byte[8];
187              string[] macParts = mac.Split(':');
188              if (macParts.Length == 6) {
189                for (int i = 0; i < macParts.Length; i++) {
190                  b[i + 2] = (byte)((ParseNybble(macParts[i][0]) << 4) | ParseNybble(macParts[i][1]));
191                }
192
193                // also get machine name and save it to the first 4 bytes               
194                Guid guid = new Guid(Environment.MachineName.GetHashCode(), 0, 0, b);
195                return guid;
196              } else
197                throw new Exception("Error getting mac addresse");
198            }
199            catch {
200              throw new Exception("Error getting mac addresse");
201            }
202          }
203        }
204      }
205      throw new Exception("Error getting mac addresse");
206    }
207
208    /// <summary>
209    /// return numeric value of a single hex-char
210    /// (see: http://stackoverflow.com/questions/854012/how-to-convert-hex-to-a-byte-array)
211    /// </summary>   
212    static int ParseNybble(char c) {
213      if (c >= '0' && c <= '9') {
214        return c - '0';
215      }
216      if (c >= 'A' && c <= 'F') {
217        return c - 'A' + 10;
218      }
219      if (c >= 'a' && c <= 'f') {
220        return c - 'a' + 10;
221      }
222      throw new ArgumentException("Invalid hex digit: " + c);
223    }
224
225    private static long? GetWMIValue(string clazz, string property) {
226      ManagementClass mgtClass = new ManagementClass(clazz);
227      ManagementObjectCollection mgtCol = mgtClass.GetInstances();
228
229      foreach (ManagementObject mgtObj in mgtCol) {
230        foreach (var prop in mgtObj.Properties) {
231          if (prop.Value != null && prop.Name == property) {
232            try {
233              return long.Parse(prop.Value.ToString());
234            }
235            catch {
236              return null;
237            }
238          }
239        }
240      }
241      return null;
242    }
243
244    /// <summary>
245    /// returns free memory of machine in MB
246    /// </summary>   
247    public int GetFreeMemory() {
248      int mb = 0;
249
250      try {
251        mb = (int)(memCounter.NextValue() / 1024 / 1024);
252      }
253      catch { }
254      return mb;
255    }
256
257    public float GetCpuUtilization() {
258      float cpuVal = 0.0F;
259
260      try {
261        return cpuCounter.NextValue();
262      }
263      catch { }
264      return cpuVal;
265    }
266  }
267}
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