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source: trunk/sources/HeuristicLab.Clients.Hive.Slave/3.3/SlaveClientCom.cs @ 14554

Last change on this file since 14554 was 14185, checked in by swagner, 8 years ago

#2526: Updated year of copyrights in license headers

File size: 3.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 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.ServiceModel;
23using HeuristicLab.Clients.Hive.SlaveCore.Properties;
24using HeuristicLab.Clients.Hive.SlaveCore.ServiceContracts;
25using System;
26
27namespace HeuristicLab.Clients.Hive.SlaveCore {
28
29  /// <summary>
30  /// Singleton which encapsulates the SlaveCommunicationService
31  /// </summary>
32  public class SlaveClientCom {
33    private static SlaveClientCom instance;
34    private static DuplexChannelFactory<ISlaveCommunication> pipeFactory;
35    public ISlaveCommunication ClientCom { get; set; }
36
37    /// <summary>
38    /// Getter for the Instance of the SlaveClientCom
39    /// </summary>
40    /// <returns>the Instance of the SlaveClientCom class</returns>
41    public static SlaveClientCom Instance {
42      get {
43        if (instance == null) {
44          instance = new SlaveClientCom();
45        }
46        return instance;
47      }
48    }
49
50    public void LogMessage(string message) {
51      try {
52        ClientCom.LogMessage(message);
53      }
54      catch (Exception ex) {
55        EventLogManager.LogMessage("Exception on LogMessage: " + ex.ToString() + Environment.NewLine + "Orginal message was: " + message);
56      }
57    }
58
59    public void StatusChanged(StatusCommons status) {
60      try {
61        ClientCom.StatusChanged(status);
62      }
63      catch (Exception ex) {
64        EventLogManager.LogMessage("Exception on StatusChanged: " + ex.ToString());
65      }
66    }
67
68    private SlaveClientCom() {
69      SetupClientCom();
70    }
71
72    private void SetupClientCom() {
73      DummyListener dummy = new DummyListener();
74      try {
75        pipeFactory = new DuplexChannelFactory<ISlaveCommunication>(dummy, Settings.Default.SlaveCommunicationServiceEndpoint);
76      }
77      catch {
78        EventLogManager.LogMessage("Couldn't create pipe for SlaveClientCom with config!");
79
80        try {
81          pipeFactory = new DuplexChannelFactory<ISlaveCommunication>(dummy, new NetNamedPipeBinding(), new EndpointAddress("net.pipe://localhost/HeuristicLabSlaveCom"));
82        }
83        catch {
84          EventLogManager.LogMessage("Couldn't create pipe for SlaveClientCom with fixed addresse!");
85          return;
86        }
87      }
88      pipeFactory.Faulted += new System.EventHandler(pipeFactory_Faulted);
89
90      ISlaveCommunication pipeProxy = pipeFactory.CreateChannel();
91      ClientCom = pipeProxy;
92    }
93
94    void pipeFactory_Faulted(object sender, System.EventArgs e) {
95      EventLogManager.LogMessage("SlaveClientCom just faulted. Trying to repair it...");
96
97      try {
98        pipeFactory.Faulted -= new System.EventHandler(pipeFactory_Faulted);
99        SetupClientCom();
100      }
101      catch { }
102    }
103
104    public static void Close() {
105      if (pipeFactory.State != CommunicationState.Closed && pipeFactory.State != CommunicationState.Faulted)
106        pipeFactory.Close();
107    }
108  }
109}
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