1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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.Collections.Generic;
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24 | using System.Configuration;
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25 | using System.IO;
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26 | using System.Linq;
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27 | using System.Threading;
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28 | using HeuristicLab.Clients.Hive.ExperimentManager;
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29 | using HeuristicLab.Clients.Hive.Jobs;
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30 | using HeuristicLab.Common;
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31 | using HeuristicLab.Core;
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32 | using HeuristicLab.PluginInfrastructure;
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33 |
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34 | namespace HeuristicLab.Clients.Hive {
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35 | // todo: rename from ExpMgrClient to ExperimentManagerClient
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36 | [Item("ExperimentManagerClient", "Hive experiment manager client.")]
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37 | public sealed class ExperimentManagerClient : IContent {
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38 | private static ExperimentManagerClient instance;
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39 | public static ExperimentManagerClient Instance {
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40 | get {
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41 | if (instance == null) instance = new ExperimentManagerClient();
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42 | return instance;
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43 | }
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44 | }
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45 |
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46 | #region Properties
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47 | private ItemCollection<RefreshableHiveExperiment> hiveExperiments;
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48 | public ItemCollection<RefreshableHiveExperiment> HiveExperiments {
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49 | get { return hiveExperiments; }
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50 | set {
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51 | if (value != hiveExperiments) {
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52 | hiveExperiments = value;
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53 | OnHiveExperimentsChanged();
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54 | }
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55 | }
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56 | }
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57 |
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58 | private List<Plugin> onlinePlugins;
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59 | public List<Plugin> OnlinePlugins {
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60 | get { return onlinePlugins; }
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61 | set { onlinePlugins = value; }
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62 | }
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63 |
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64 | private List<Plugin> alreadyUploadedPlugins;
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65 | public List<Plugin> AlreadyUploadedPlugins {
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66 | get { return alreadyUploadedPlugins; }
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67 | set { alreadyUploadedPlugins = value; }
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68 | }
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69 | #endregion
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70 |
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71 | public ExperimentManagerClient() { }
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72 |
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73 | #region Refresh
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74 | public void Refresh() {
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75 | OnRefreshing();
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76 |
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77 | try {
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78 | hiveExperiments = new HiveItemCollection<RefreshableHiveExperiment>();
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79 | var he = ServiceLocator.Instance.CallHiveService<IEnumerable<HiveExperiment>>(s => s.GetHiveExperiments());
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80 | hiveExperiments.AddRange(he.Select(x => new RefreshableHiveExperiment(x)).OrderBy(x => x.HiveExperiment.Name));
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81 | }
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82 | catch {
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83 | hiveExperiments = null;
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84 | throw;
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85 | }
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86 | finally {
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87 | OnRefreshed();
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88 | }
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89 | }
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90 | public void RefreshAsync(Action<Exception> exceptionCallback) {
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91 | var call = new Func<Exception>(delegate() {
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92 | try {
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93 | Refresh();
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94 | }
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95 | catch (Exception ex) {
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96 | return ex;
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97 | }
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98 | return null;
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99 | });
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100 | call.BeginInvoke(delegate(IAsyncResult result) {
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101 | Exception ex = call.EndInvoke(result);
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102 | if (ex != null) exceptionCallback(ex);
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103 | }, null);
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104 | }
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105 | #endregion
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106 |
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107 | #region Store
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108 | public static void Store(IHiveItem item) {
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109 | if (item.Id == Guid.Empty) {
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110 | if (item is RefreshableHiveExperiment) {
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111 | ExperimentManagerClient.Instance.UploadExperiment((RefreshableHiveExperiment)item);
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112 | }
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113 | } else {
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114 |
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115 | if (item is HiveExperiment)
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116 | ServiceLocator.Instance.CallHiveService(s => s.UpdateHiveExperiment((HiveExperiment)item));
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117 | }
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118 | }
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119 | public static void StoreAsync(Action<Exception> exceptionCallback, IHiveItem item) {
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120 | var call = new Func<Exception>(delegate() {
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121 | try {
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122 | Store(item);
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123 | }
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124 | catch (Exception ex) {
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125 | return ex;
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126 | }
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127 | return null;
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128 | });
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129 | call.BeginInvoke(delegate(IAsyncResult result) {
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130 | Exception ex = call.EndInvoke(result);
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131 | if (ex != null) exceptionCallback(ex);
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132 | }, null);
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133 | }
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134 | #endregion
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135 |
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136 | #region Delete
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137 | public static void Delete(IHiveItem item) {
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138 | if (item is HiveExperiment)
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139 | ServiceLocator.Instance.CallHiveService(s => s.DeleteHiveExperiment(item.Id));
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140 | if (item is RefreshableHiveExperiment)
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141 | ServiceLocator.Instance.CallHiveService(s => s.DeleteHiveExperiment(item.Id));
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142 | item.Id = Guid.Empty;
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143 | }
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144 | #endregion
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145 |
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146 | #region Events
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147 | public event EventHandler Refreshing;
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148 | private void OnRefreshing() {
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149 | EventHandler handler = Refreshing;
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150 | if (handler != null) handler(this, EventArgs.Empty);
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151 | }
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152 | public event EventHandler Refreshed;
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153 | private void OnRefreshed() {
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154 | var handler = Refreshed;
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155 | if (handler != null) handler(this, EventArgs.Empty);
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156 | }
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157 | public event EventHandler HiveExperimentsChanged;
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158 | private void OnHiveExperimentsChanged() {
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159 | var handler = HiveExperimentsChanged;
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160 | if (handler != null) handler(this, EventArgs.Empty);
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161 | }
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162 | #endregion
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163 |
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164 | public static void StartExperiment(Action<Exception> exceptionCallback, RefreshableHiveExperiment refreshableHiveExperiment) {
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165 | ExperimentManagerClient.StoreAsync(
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166 | new Action<Exception>((Exception ex) => {
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167 | refreshableHiveExperiment.HiveExperiment.ExecutionState = ExecutionState.Prepared;
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168 | exceptionCallback(ex);
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169 | }), refreshableHiveExperiment);
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170 | refreshableHiveExperiment.HiveExperiment.ExecutionState = ExecutionState.Started;
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171 | }
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172 |
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173 | public static void PauseExperiment(HiveExperiment hiveExperiment) {
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174 | ServiceLocator.Instance.CallHiveService(service => {
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175 | foreach (HiveJob job in hiveExperiment.GetAllHiveJobs()) {
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176 | if (job.Job.State != JobState.Finished && job.Job.State != JobState.Aborted && job.Job.State != JobState.Failed)
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177 | service.PauseJob(job.Job.Id);
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178 | }
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179 | });
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180 | hiveExperiment.ExecutionState = ExecutionState.Paused;
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181 | }
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182 |
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183 | public static void StopExperiment(HiveExperiment hiveExperiment) {
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184 | ServiceLocator.Instance.CallHiveService(service => {
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185 | foreach (HiveJob job in hiveExperiment.GetAllHiveJobs()) {
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186 | if (job.Job.State != JobState.Finished && job.Job.State != JobState.Aborted && job.Job.State != JobState.Failed)
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187 | service.StopJob(job.Job.Id);
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188 | }
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189 | });
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190 | // execution state does not need to be set. it will be set to Stopped, when all jobs have been downloaded
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191 | }
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192 |
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193 | #region Upload Experiment
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194 | private void UploadExperiment(RefreshableHiveExperiment optimizerHiveExperiment) {
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195 | try {
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196 | optimizerHiveExperiment.HiveExperiment.Progress = new Progress("Connecting to server...");
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197 | optimizerHiveExperiment.HiveExperiment.IsProgressing = true;
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198 | ServiceLocator.Instance.CallHiveService(service => {
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199 | IEnumerable<string> resourceNames = ToResourceNameList(optimizerHiveExperiment.HiveExperiment.ResourceNames);
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200 | var resourceIds = new List<Guid>();
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201 | foreach (var resourceName in resourceNames) {
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202 | Guid resourceId = service.GetResourceId(resourceName);
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203 | if (resourceId == Guid.Empty) {
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204 | throw new ResourceNotFoundException(string.Format("Could not find the resource '{0}'", resourceName));
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205 | }
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206 | resourceIds.Add(resourceId);
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207 | }
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208 |
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209 | foreach (OptimizerHiveJob hiveJob in optimizerHiveExperiment.HiveExperiment.HiveJobs.OfType<OptimizerHiveJob>()) {
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210 | hiveJob.SetIndexInParentOptimizerList(null);
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211 | }
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212 |
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213 | // upload HiveExperiment
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214 | optimizerHiveExperiment.HiveExperiment.Progress.Status = "Uploading HiveExperiment...";
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215 | optimizerHiveExperiment.HiveExperiment.Id = service.AddHiveExperiment(optimizerHiveExperiment.HiveExperiment);
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216 |
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217 | int totalJobCount = optimizerHiveExperiment.HiveExperiment.GetAllHiveJobs().Count();
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218 | int jobCount = 0;
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219 |
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220 | // upload plugins
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221 | optimizerHiveExperiment.HiveExperiment.Progress.Status = "Uploading plugins...";
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222 | this.OnlinePlugins = service.GetPlugins();
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223 | this.AlreadyUploadedPlugins = new List<Plugin>();
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224 | Plugin configFilePlugin = UploadConfigurationFile(service);
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225 | this.alreadyUploadedPlugins.Add(configFilePlugin);
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226 |
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227 | // upload jobs
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228 | optimizerHiveExperiment.HiveExperiment.Progress.Status = "Uploading jobs...";
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229 |
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230 | foreach (HiveJob hiveJob in optimizerHiveExperiment.HiveExperiment.HiveJobs) {
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231 | UploadJobWithChildren(optimizerHiveExperiment.HiveExperiment.Progress, service, hiveJob, null, resourceIds, ref jobCount, totalJobCount, configFilePlugin.Id, optimizerHiveExperiment.HiveExperiment.UseLocalPlugins, optimizerHiveExperiment.HiveExperiment.Id);
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232 | }
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233 |
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234 | if (optimizerHiveExperiment.RefreshAutomatically) optimizerHiveExperiment.StartResultPolling();
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235 | });
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236 | }
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237 | finally {
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238 | optimizerHiveExperiment.HiveExperiment.IsProgressing = false;
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239 | }
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240 | }
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241 |
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242 | /// <summary>
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243 | /// Uploads the local configuration file as plugin
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244 | /// </summary>
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245 | private static Plugin UploadConfigurationFile(IHiveService service) {
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246 | string exeFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "HeuristicLab 3.3.exe");
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247 | string configFileName = Path.GetFileName(ConfigurationManager.OpenExeConfiguration(exeFilePath).FilePath);
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248 | string configFilePath = ConfigurationManager.OpenExeConfiguration(exeFilePath).FilePath;
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249 |
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250 | Plugin configPlugin = new Plugin() {
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251 | Name = "Configuration",
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252 | IsLocal = true,
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253 | Version = new Version()
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254 | };
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255 | PluginData configFile = new PluginData() {
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256 | FileName = configFileName,
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257 | Data = File.ReadAllBytes(configFilePath)
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258 | };
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259 | configPlugin.Id = service.AddPlugin(configPlugin, new List<PluginData> { configFile });
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260 | return configPlugin;
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261 | }
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262 |
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263 | /// <summary>
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264 | /// Uploads the given job and all its child-jobs while setting the proper parentJobId values for the childs
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265 | /// </summary>
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266 | /// <param name="service"></param>
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267 | /// <param name="hiveJob"></param>
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268 | /// <param name="parentHiveJob">shall be null if its the root job</param>
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269 | /// <param name="groups"></param>
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270 | private void UploadJobWithChildren(IProgress progress, IHiveService service, HiveJob hiveJob, HiveJob parentHiveJob, IEnumerable<Guid> groups, ref int jobCount, int totalJobCount, Guid configPluginId, bool useLocalPlugins, Guid hiveExperimentId) {
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271 | jobCount++;
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272 | progress.Status = string.Format("Serializing job {0} of {1}", jobCount, totalJobCount);
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273 | JobData jobData;
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274 | List<IPluginDescription> plugins;
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275 |
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276 | if (hiveJob.JobItem.ComputeInParallel &&
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277 | (hiveJob.JobItem.Item is Optimization.Experiment || hiveJob.JobItem.Item is Optimization.BatchRun)) {
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278 | hiveJob.Job.IsParentJob = true;
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279 | hiveJob.Job.FinishWhenChildJobsFinished = true;
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280 | hiveJob.JobItem.CollectChildJobs = false; // don't collect child-jobs on slaves
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281 | jobData = hiveJob.GetAsJobData(true, out plugins);
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282 | } else {
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283 | hiveJob.Job.IsParentJob = false;
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284 | hiveJob.Job.FinishWhenChildJobsFinished = false;
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285 | jobData = hiveJob.GetAsJobData(false, out plugins);
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286 | }
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287 |
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288 | hiveJob.Job.PluginsNeededIds = PluginUtil.GetPluginDependencies(service, this.onlinePlugins, this.alreadyUploadedPlugins, plugins, useLocalPlugins);
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289 | hiveJob.Job.PluginsNeededIds.Add(configPluginId);
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290 | hiveJob.Job.HiveExperimentId = hiveExperimentId;
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291 |
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292 | progress.Status = string.Format("Uploading job {0} of {1} ({2} kb)", jobCount, totalJobCount, jobData.Data.Count() / 1024);
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293 | progress.ProgressValue = (double)jobCount / totalJobCount;
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294 |
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295 | if (parentHiveJob != null) {
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296 | hiveJob.Job.Id = service.AddChildJob(parentHiveJob.Job.Id, hiveJob.Job, jobData);
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297 | } else {
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298 | hiveJob.Job.Id = service.AddJob(hiveJob.Job, jobData, groups.ToList());
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299 | }
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300 |
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301 | foreach (HiveJob child in hiveJob.ChildHiveJobs) {
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302 | UploadJobWithChildren(progress, service, child, hiveJob, groups, ref jobCount, totalJobCount, configPluginId, useLocalPlugins, hiveExperimentId);
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303 | }
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304 | }
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305 | #endregion
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306 |
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307 | #region Download Experiment
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308 | public static void LoadExperiment(HiveExperiment hiveExperiment) {
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309 | hiveExperiment.Progress = new Progress();
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310 | try {
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311 | hiveExperiment.IsProgressing = true;
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312 | int totalJobCount = 0;
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313 | IEnumerable<LightweightJob> allJobs;
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314 |
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315 | hiveExperiment.Progress.Status = "Connecting to Server...";
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316 | // fetch all Job objects to create the full tree of tree of HiveJob objects
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317 | hiveExperiment.Progress.Status = "Downloading list of jobs...";
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318 | allJobs = ServiceLocator.Instance.CallHiveService(s => s.GetLightweightExperimentJobs(hiveExperiment.Id));
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319 | totalJobCount = allJobs.Count();
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320 |
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321 | HiveJobDownloader downloader = new HiveJobDownloader(allJobs.Select(x => x.Id));
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322 | downloader.StartAsync();
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323 |
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324 | while (!downloader.IsFinished) {
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325 | hiveExperiment.Progress.ProgressValue = downloader.FinishedCount / (double)totalJobCount;
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326 | hiveExperiment.Progress.Status = string.Format("Downloading/deserializing jobs... ({0}/{1} finished)", downloader.FinishedCount, totalJobCount);
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327 | Thread.Sleep(500);
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328 | }
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329 | IDictionary<Guid, HiveJob> allHiveJobs = downloader.Results;
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330 |
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331 | hiveExperiment.HiveJobs = new ItemCollection<HiveJob>(allHiveJobs.Values.Where(x => !x.Job.ParentJobId.HasValue));
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332 |
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333 | if (hiveExperiment.IsFinished()) {
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334 | hiveExperiment.ExecutionState = Core.ExecutionState.Stopped;
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335 | } else {
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336 | hiveExperiment.ExecutionState = Core.ExecutionState.Started;
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337 | }
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338 |
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339 | // build child-job tree
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340 | foreach (HiveJob hiveJob in hiveExperiment.HiveJobs) {
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341 | BuildHiveJobTree(hiveJob, allJobs, allHiveJobs);
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342 | }
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343 |
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344 | hiveExperiment.OnLoaded();
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345 | }
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346 | finally {
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347 | hiveExperiment.IsProgressing = false;
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348 | }
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349 | }
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350 |
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351 | private static void BuildHiveJobTree(HiveJob parentHiveJob, IEnumerable<LightweightJob> allJobs, IDictionary<Guid, HiveJob> allHiveJobs) {
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352 | IEnumerable<LightweightJob> childJobs = from job in allJobs
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353 | where job.ParentJobId.HasValue && job.ParentJobId.Value == parentHiveJob.Job.Id
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354 | orderby job.DateCreated ascending
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355 | select job;
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356 | foreach (LightweightJob job in childJobs) {
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357 | HiveJob childHiveJob = allHiveJobs[job.Id];
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358 | parentHiveJob.AddChildHiveJob(childHiveJob);
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359 | BuildHiveJobTree(childHiveJob, allJobs, allHiveJobs);
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360 | }
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361 | }
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362 | #endregion
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363 |
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364 | /// <summary>
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365 | /// Converts a string which can contain Ids separated by ';' to a enumerable
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366 | /// </summary>
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367 | private static IEnumerable<string> ToResourceNameList(string resourceNames) {
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368 | if (!string.IsNullOrEmpty(resourceNames)) {
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369 | return resourceNames.Split(';');
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370 | } else {
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371 | return new List<string>();
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372 | }
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373 | }
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374 |
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375 | public static OptimizerJob LoadOptimizerJob(Guid jobId) {
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376 | JobData jobData = ServiceLocator.Instance.CallHiveService(s => s.GetJobData(jobId));
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377 | try {
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378 | return PersistenceUtil.Deserialize<OptimizerJob>(jobData.Data);
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379 | }
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380 | catch {
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381 | return null;
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382 | }
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383 | }
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384 | }
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385 | }
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