[8042] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11185] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[8042] | 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.ServiceModel.Security;
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[8076] | 24 | using System.Threading.Tasks;
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[8042] | 25 |
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| 26 | namespace HeuristicLab.Clients.Access {
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| 27 | public sealed class ClientInformation {
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| 28 | private static ClientInformation instance;
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| 29 | public static ClientInformation Instance {
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| 30 | get {
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[8076] | 31 | InitializeClientInformation();
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[8042] | 32 | return instance;
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| 33 | }
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| 34 | }
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| 35 |
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| 36 | private Client clientInfo;
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| 37 | public Client ClientInfo {
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| 38 | get { return clientInfo; }
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| 39 | }
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| 40 |
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| 41 | private bool clientExists = false;
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| 42 | public bool ClientExists {
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| 43 | get { return clientExists; }
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| 44 | }
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| 45 |
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| 46 | private bool errorOccured = false;
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| 47 | public bool ErrorOccured {
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| 48 | get { return errorOccured; }
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| 49 | }
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| 50 |
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| 51 | private Exception occuredException;
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| 52 | public Exception OccuredException {
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| 53 | get { return occuredException; }
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| 54 | }
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| 55 |
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| 56 | private ClientInformation() {
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[8076] | 57 | if (instance == null) {
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| 58 | if (ClientInformationUtils.IsClientHeuristicLab()) {
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| 59 | FetchClientInformationFromServer();
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| 60 | } else {
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| 61 | // this means we are executed by an Hive slave, therefore we just get our machine id (e.g. for OKB Algs)
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| 62 | // because the slave has already done the registration process
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| 63 | GenerateLocalClientConfig();
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| 64 | }
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[8042] | 65 | }
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| 66 | }
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| 67 |
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| 68 | private void GenerateLocalClientConfig() {
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| 69 | clientExists = true;
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| 70 | errorOccured = false;
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| 71 | occuredException = null;
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| 72 | clientInfo = new Client();
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| 73 | clientInfo.Id = ClientInformationUtils.GetUniqueMachineId();
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| 74 | }
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| 75 |
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| 76 | private void FetchClientInformationFromServer() {
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| 77 | Guid clientId = ClientInformationUtils.GetUniqueMachineId();
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| 78 |
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| 79 | try {
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| 80 | AccessClient.CallAccessService(x => clientInfo = x.GetClient(clientId));
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| 81 | if (clientInfo != null) {
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| 82 | clientExists = true;
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| 83 | clientInfo.HeuristicLabVersion = ClientInformationUtils.GetHLVersion();
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| 84 | AccessClient.CallAccessService(x => x.UpdateClient(clientInfo));
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| 85 | }
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| 86 | errorOccured = false;
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| 87 | occuredException = null;
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| 88 | }
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| 89 | catch (MessageSecurityException e) {
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| 90 | //wrong username or password
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| 91 | clientExists = false;
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| 92 | errorOccured = true;
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| 93 | occuredException = e;
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| 94 | }
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| 95 | catch (Exception e) {
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| 96 | clientExists = false;
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| 97 | errorOccured = true;
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| 98 | occuredException = e;
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| 99 | }
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| 100 | }
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| 101 |
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| 102 | public void Refresh() {
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| 103 | FetchClientInformationFromServer();
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| 104 | }
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[8076] | 105 |
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| 106 | private static void InitializeClientInformation() {
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| 107 | if (instance == null) instance = new ClientInformation();
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| 108 | }
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| 109 |
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| 110 | public static void InitializeAsync() {
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| 111 | Task.Factory.StartNew(InitializeClientInformation);
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| 112 | }
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[8042] | 113 | }
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| 114 | }
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