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 |
|
---|
22 | using System;
|
---|
23 | using System.Collections.Generic;
|
---|
24 | using System.Configuration;
|
---|
25 | using System.IO;
|
---|
26 | using System.Linq;
|
---|
27 | using System.Security.Cryptography;
|
---|
28 | using System.Threading;
|
---|
29 | using System.Threading.Tasks;
|
---|
30 | using HeuristicLab.Common;
|
---|
31 | using HeuristicLab.Core;
|
---|
32 | using HeuristicLab.PluginInfrastructure;
|
---|
33 |
|
---|
34 | namespace HeuristicLab.Clients.Hive {
|
---|
35 | [Item("HiveClient", "Hive client.")]
|
---|
36 | public sealed class HiveClient : IContent {
|
---|
37 | private static HiveClient instance;
|
---|
38 | public static HiveClient Instance {
|
---|
39 | get {
|
---|
40 | if (instance == null) instance = new HiveClient();
|
---|
41 | return instance;
|
---|
42 | }
|
---|
43 | }
|
---|
44 |
|
---|
45 | #region Properties
|
---|
46 | private ItemCollection<RefreshableHiveExperiment> hiveExperiments;
|
---|
47 | public ItemCollection<RefreshableHiveExperiment> HiveExperiments {
|
---|
48 | get { return hiveExperiments; }
|
---|
49 | set {
|
---|
50 | if (value != hiveExperiments) {
|
---|
51 | hiveExperiments = value;
|
---|
52 | OnHiveExperimentsChanged();
|
---|
53 | }
|
---|
54 | }
|
---|
55 | }
|
---|
56 |
|
---|
57 | private List<Plugin> onlinePlugins;
|
---|
58 | public List<Plugin> OnlinePlugins {
|
---|
59 | get { return onlinePlugins; }
|
---|
60 | set { onlinePlugins = value; }
|
---|
61 | }
|
---|
62 |
|
---|
63 | private List<Plugin> alreadyUploadedPlugins;
|
---|
64 | public List<Plugin> AlreadyUploadedPlugins {
|
---|
65 | get { return alreadyUploadedPlugins; }
|
---|
66 | set { alreadyUploadedPlugins = value; }
|
---|
67 | }
|
---|
68 |
|
---|
69 | private bool isAllowedPrivileged;
|
---|
70 | public bool IsAllowedPrivileged {
|
---|
71 | get { return isAllowedPrivileged; }
|
---|
72 | set { isAllowedPrivileged = value; }
|
---|
73 | }
|
---|
74 | #endregion
|
---|
75 |
|
---|
76 | public HiveClient() { }
|
---|
77 |
|
---|
78 | #region Refresh
|
---|
79 | public void Refresh() {
|
---|
80 | OnRefreshing();
|
---|
81 |
|
---|
82 | try {
|
---|
83 | this.IsAllowedPrivileged = ServiceLocator.Instance.CallHiveService((s) => s.IsAllowedPrivileged());
|
---|
84 |
|
---|
85 | var oldExperiments = hiveExperiments ?? new ItemCollection<RefreshableHiveExperiment>();
|
---|
86 | hiveExperiments = new HiveItemCollection<RefreshableHiveExperiment>();
|
---|
87 | var experimentsLoaded = ServiceLocator.Instance.CallHiveService<IEnumerable<HiveExperiment>>(s => s.GetHiveExperiments());
|
---|
88 |
|
---|
89 | foreach (var he in experimentsLoaded) {
|
---|
90 | var hiveExperiment = oldExperiments.SingleOrDefault(x => x.Id == he.Id);
|
---|
91 | if (hiveExperiment == null) {
|
---|
92 | // new
|
---|
93 | hiveExperiments.Add(new RefreshableHiveExperiment(he) { IsAllowedPrivileged = this.isAllowedPrivileged });
|
---|
94 | } else {
|
---|
95 | // update
|
---|
96 | hiveExperiment.HiveExperiment = he;
|
---|
97 | hiveExperiment.IsAllowedPrivileged = this.isAllowedPrivileged;
|
---|
98 | hiveExperiments.Add(hiveExperiment);
|
---|
99 | }
|
---|
100 | }
|
---|
101 | // remove those which were not in the list of loaded hiveexperiments
|
---|
102 | foreach (var experiment in oldExperiments) {
|
---|
103 | if (experiment.Id == Guid.Empty) {
|
---|
104 | // experiment not uploaded... keep
|
---|
105 | hiveExperiments.Add(experiment);
|
---|
106 | } else {
|
---|
107 | experiment.RefreshAutomatically = false; // stop results polling
|
---|
108 | }
|
---|
109 | }
|
---|
110 | }
|
---|
111 | catch {
|
---|
112 | hiveExperiments = null;
|
---|
113 | throw;
|
---|
114 | }
|
---|
115 | finally {
|
---|
116 | OnRefreshed();
|
---|
117 | }
|
---|
118 | }
|
---|
119 | public void RefreshAsync(Action<Exception> exceptionCallback) {
|
---|
120 | var call = new Func<Exception>(delegate() {
|
---|
121 | try {
|
---|
122 | Refresh();
|
---|
123 | }
|
---|
124 | catch (Exception ex) {
|
---|
125 | return ex;
|
---|
126 | }
|
---|
127 | return null;
|
---|
128 | });
|
---|
129 | call.BeginInvoke(delegate(IAsyncResult result) {
|
---|
130 | Exception ex = call.EndInvoke(result);
|
---|
131 | if (ex != null) exceptionCallback(ex);
|
---|
132 | }, null);
|
---|
133 | }
|
---|
134 | #endregion
|
---|
135 |
|
---|
136 | #region Store
|
---|
137 | public static void Store(IHiveItem item, CancellationToken cancellationToken) {
|
---|
138 | if (item.Id == Guid.Empty) {
|
---|
139 | if (item is RefreshableHiveExperiment) {
|
---|
140 | HiveClient.Instance.UploadExperiment((RefreshableHiveExperiment)item, cancellationToken);
|
---|
141 | }
|
---|
142 | if (item is HiveExperimentPermission) {
|
---|
143 | var hep = (HiveExperimentPermission)item;
|
---|
144 | hep.GrantedUserId = ServiceLocator.Instance.CallHiveService((s) => s.GetUserIdByUsername(hep.GrantedUserName));
|
---|
145 | if (hep.GrantedUserId == Guid.Empty) {
|
---|
146 | throw new ArgumentException(string.Format("The user {0} was not found.", hep.GrantedUserName));
|
---|
147 | }
|
---|
148 | ServiceLocator.Instance.CallHiveService((s) => s.GrantPermission(hep.HiveExperimentId, hep.GrantedUserId, hep.Permission));
|
---|
149 | }
|
---|
150 | } else {
|
---|
151 | if (item is HiveExperiment)
|
---|
152 | ServiceLocator.Instance.CallHiveService(s => s.UpdateHiveExperiment((HiveExperiment)item));
|
---|
153 | }
|
---|
154 | }
|
---|
155 | public static void StoreAsync(Action<Exception> exceptionCallback, IHiveItem item, CancellationToken cancellationToken) {
|
---|
156 | var call = new Func<Exception>(delegate() {
|
---|
157 | try {
|
---|
158 | Store(item, cancellationToken);
|
---|
159 | }
|
---|
160 | catch (Exception ex) {
|
---|
161 | return ex;
|
---|
162 | }
|
---|
163 | return null;
|
---|
164 | });
|
---|
165 | call.BeginInvoke(delegate(IAsyncResult result) {
|
---|
166 | Exception ex = call.EndInvoke(result);
|
---|
167 | if (ex != null) exceptionCallback(ex);
|
---|
168 | }, null);
|
---|
169 | }
|
---|
170 | #endregion
|
---|
171 |
|
---|
172 | #region Delete
|
---|
173 | public static void Delete(IHiveItem item) {
|
---|
174 | if (item.Id == Guid.Empty)
|
---|
175 | return;
|
---|
176 |
|
---|
177 | if (item is HiveExperiment)
|
---|
178 | ServiceLocator.Instance.CallHiveService(s => s.DeleteHiveExperiment(item.Id));
|
---|
179 | if (item is RefreshableHiveExperiment)
|
---|
180 | ServiceLocator.Instance.CallHiveService(s => s.DeleteHiveExperiment(item.Id));
|
---|
181 | if (item is HiveExperimentPermission) {
|
---|
182 | var hep = (HiveExperimentPermission)item;
|
---|
183 | ServiceLocator.Instance.CallHiveService(s => s.RevokePermission(hep.HiveExperimentId, hep.GrantedUserId));
|
---|
184 | }
|
---|
185 | item.Id = Guid.Empty;
|
---|
186 | }
|
---|
187 | #endregion
|
---|
188 |
|
---|
189 | #region Events
|
---|
190 | public event EventHandler Refreshing;
|
---|
191 | private void OnRefreshing() {
|
---|
192 | EventHandler handler = Refreshing;
|
---|
193 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
194 | }
|
---|
195 | public event EventHandler Refreshed;
|
---|
196 | private void OnRefreshed() {
|
---|
197 | var handler = Refreshed;
|
---|
198 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
199 | }
|
---|
200 | public event EventHandler HiveExperimentsChanged;
|
---|
201 | private void OnHiveExperimentsChanged() {
|
---|
202 | var handler = HiveExperimentsChanged;
|
---|
203 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
204 | }
|
---|
205 | #endregion
|
---|
206 |
|
---|
207 | public static void StartExperiment(Action<Exception> exceptionCallback, RefreshableHiveExperiment refreshableHiveExperiment, CancellationToken cancellationToken) {
|
---|
208 | HiveClient.StoreAsync(
|
---|
209 | new Action<Exception>((Exception ex) => {
|
---|
210 | refreshableHiveExperiment.ExecutionState = ExecutionState.Prepared;
|
---|
211 | exceptionCallback(ex);
|
---|
212 | }), refreshableHiveExperiment, cancellationToken);
|
---|
213 | refreshableHiveExperiment.ExecutionState = ExecutionState.Started;
|
---|
214 | }
|
---|
215 |
|
---|
216 | public static void PauseExperiment(RefreshableHiveExperiment refreshableHiveExperiment) {
|
---|
217 | ServiceLocator.Instance.CallHiveService(service => {
|
---|
218 | foreach (HiveJob job in refreshableHiveExperiment.GetAllHiveJobs()) {
|
---|
219 | if (job.Job.State != JobState.Finished && job.Job.State != JobState.Aborted && job.Job.State != JobState.Failed)
|
---|
220 | service.PauseJob(job.Job.Id);
|
---|
221 | }
|
---|
222 | });
|
---|
223 | refreshableHiveExperiment.ExecutionState = ExecutionState.Paused;
|
---|
224 | }
|
---|
225 |
|
---|
226 | public static void StopExperiment(RefreshableHiveExperiment refreshableHiveExperiment) {
|
---|
227 | ServiceLocator.Instance.CallHiveService(service => {
|
---|
228 | foreach (HiveJob job in refreshableHiveExperiment.GetAllHiveJobs()) {
|
---|
229 | if (job.Job.State != JobState.Finished && job.Job.State != JobState.Aborted && job.Job.State != JobState.Failed)
|
---|
230 | service.StopJob(job.Job.Id);
|
---|
231 | }
|
---|
232 | });
|
---|
233 | // execution state does not need to be set. it will be set to Stopped, when all jobs have been downloaded
|
---|
234 | }
|
---|
235 |
|
---|
236 | #region Upload Experiment
|
---|
237 | private Semaphore jobUploadSemaphore = new Semaphore(4, 4); // todo: take magic number into config
|
---|
238 | private static object jobCountLocker = new object();
|
---|
239 | private static object pluginLocker = new object();
|
---|
240 | private void UploadExperiment(RefreshableHiveExperiment refreshableHiveExperiment, CancellationToken cancellationToken) {
|
---|
241 | try {
|
---|
242 | refreshableHiveExperiment.Progress = new Progress("Connecting to server...");
|
---|
243 | refreshableHiveExperiment.IsProgressing = true;
|
---|
244 |
|
---|
245 | IEnumerable<string> resourceNames = ToResourceNameList(refreshableHiveExperiment.HiveExperiment.ResourceNames);
|
---|
246 | var resourceIds = new List<Guid>();
|
---|
247 | foreach (var resourceName in resourceNames) {
|
---|
248 | Guid resourceId = ServiceLocator.Instance.CallHiveService((s) => s.GetResourceId(resourceName));
|
---|
249 | if (resourceId == Guid.Empty) {
|
---|
250 | throw new ResourceNotFoundException(string.Format("Could not find the resource '{0}'", resourceName));
|
---|
251 | }
|
---|
252 | resourceIds.Add(resourceId);
|
---|
253 | }
|
---|
254 |
|
---|
255 | foreach (OptimizerHiveJob hiveJob in refreshableHiveExperiment.HiveJobs.OfType<OptimizerHiveJob>()) {
|
---|
256 | hiveJob.SetIndexInParentOptimizerList(null);
|
---|
257 | }
|
---|
258 |
|
---|
259 | // upload HiveExperiment
|
---|
260 | refreshableHiveExperiment.Progress.Status = "Uploading HiveExperiment...";
|
---|
261 | refreshableHiveExperiment.HiveExperiment.Id = ServiceLocator.Instance.CallHiveService((s) => s.AddHiveExperiment(refreshableHiveExperiment.HiveExperiment));
|
---|
262 | bool isPrivileged = refreshableHiveExperiment.HiveExperiment.IsPrivileged;
|
---|
263 | refreshableHiveExperiment.HiveExperiment = ServiceLocator.Instance.CallHiveService((s) => s.GetHiveExperiment(refreshableHiveExperiment.HiveExperiment.Id)); // update owner and permissions
|
---|
264 | refreshableHiveExperiment.HiveExperiment.IsPrivileged = isPrivileged;
|
---|
265 | cancellationToken.ThrowIfCancellationRequested();
|
---|
266 |
|
---|
267 | int totalJobCount = refreshableHiveExperiment.GetAllHiveJobs().Count();
|
---|
268 | int[] jobCount = new int[1]; // use a reference type (int-array) instead of value type (int) in order to pass the value via a delegate to task-parallel-library
|
---|
269 | cancellationToken.ThrowIfCancellationRequested();
|
---|
270 |
|
---|
271 | // upload plugins
|
---|
272 | refreshableHiveExperiment.Progress.Status = "Uploading plugins...";
|
---|
273 | this.OnlinePlugins = ServiceLocator.Instance.CallHiveService((s) => s.GetPlugins());
|
---|
274 | this.AlreadyUploadedPlugins = new List<Plugin>();
|
---|
275 | Plugin configFilePlugin = ServiceLocator.Instance.CallHiveService((s) => UploadConfigurationFile(s, onlinePlugins));
|
---|
276 | this.alreadyUploadedPlugins.Add(configFilePlugin);
|
---|
277 | cancellationToken.ThrowIfCancellationRequested();
|
---|
278 |
|
---|
279 | if (refreshableHiveExperiment.RefreshAutomatically) refreshableHiveExperiment.StartResultPolling();
|
---|
280 |
|
---|
281 | // upload jobs
|
---|
282 | refreshableHiveExperiment.Progress.Status = "Uploading jobs...";
|
---|
283 |
|
---|
284 | var tasks = new List<Task>();
|
---|
285 | foreach (HiveJob hiveJob in refreshableHiveExperiment.HiveJobs) {
|
---|
286 | tasks.Add(Task.Factory.StartNew((hj) => {
|
---|
287 | UploadJobWithChildren(refreshableHiveExperiment.Progress, (HiveJob)hj, null, resourceIds, jobCount, totalJobCount, configFilePlugin.Id, refreshableHiveExperiment.HiveExperiment.Id, refreshableHiveExperiment.Log, refreshableHiveExperiment.HiveExperiment.IsPrivileged, cancellationToken);
|
---|
288 | }, hiveJob)
|
---|
289 | .ContinueWith((x) => refreshableHiveExperiment.Log.LogException(x.Exception), TaskContinuationOptions.OnlyOnFaulted));
|
---|
290 | }
|
---|
291 | try {
|
---|
292 | Task.WaitAll(tasks.ToArray());
|
---|
293 | }
|
---|
294 | catch (AggregateException ae) {
|
---|
295 | if (!ae.InnerExceptions.All(e => e is TaskCanceledException)) throw ae; // for some reason the WaitAll throws a AggregateException containg a TaskCanceledException. i don't know where it comes from, however the tasks all finish properly, so for now just ignore it
|
---|
296 | }
|
---|
297 | refreshableHiveExperiment.HiveExperiment.Modified = false;
|
---|
298 | }
|
---|
299 | finally {
|
---|
300 | refreshableHiveExperiment.IsProgressing = false;
|
---|
301 | }
|
---|
302 | }
|
---|
303 |
|
---|
304 | /// <summary>
|
---|
305 | /// Uploads the local configuration file as plugin
|
---|
306 | /// </summary>
|
---|
307 | private static Plugin UploadConfigurationFile(IHiveService service, List<Plugin> onlinePlugins) {
|
---|
308 | string exeFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "HeuristicLab 3.3.exe");
|
---|
309 | string configFileName = Path.GetFileName(ConfigurationManager.OpenExeConfiguration(exeFilePath).FilePath);
|
---|
310 | string configFilePath = ConfigurationManager.OpenExeConfiguration(exeFilePath).FilePath;
|
---|
311 | byte[] hash;
|
---|
312 |
|
---|
313 | byte[] data = File.ReadAllBytes(configFilePath);
|
---|
314 | using (SHA1 sha1 = SHA1.Create()) {
|
---|
315 | hash = sha1.ComputeHash(data);
|
---|
316 | }
|
---|
317 |
|
---|
318 | Plugin configPlugin = new Plugin() { Name = "Configuration", Version = new Version(), Hash = hash };
|
---|
319 | PluginData configFile = new PluginData() { FileName = configFileName, Data = data };
|
---|
320 |
|
---|
321 | IEnumerable<Plugin> onlineConfig = onlinePlugins.Where(p => p.Hash.SequenceEqual(hash));
|
---|
322 |
|
---|
323 | if (onlineConfig.Count() > 0) {
|
---|
324 | return onlineConfig.First();
|
---|
325 | } else {
|
---|
326 | configPlugin.Id = service.AddPlugin(configPlugin, new List<PluginData> { configFile });
|
---|
327 | return configPlugin;
|
---|
328 | }
|
---|
329 | }
|
---|
330 |
|
---|
331 | /// <summary>
|
---|
332 | /// Uploads the given job and all its child-jobs while setting the proper parentJobId values for the childs
|
---|
333 | /// </summary>
|
---|
334 | /// <param name="parentHiveJob">shall be null if its the root job</param>
|
---|
335 | private void UploadJobWithChildren(IProgress progress, HiveJob hiveJob, HiveJob parentHiveJob, IEnumerable<Guid> groups, int[] jobCount, int totalJobCount, Guid configPluginId, Guid hiveExperimentId, ILog log, bool isPrivileged, CancellationToken cancellationToken) {
|
---|
336 | jobUploadSemaphore.WaitOne();
|
---|
337 | bool semaphoreReleased = false;
|
---|
338 | try {
|
---|
339 | cancellationToken.ThrowIfCancellationRequested();
|
---|
340 | lock (jobCountLocker) {
|
---|
341 | jobCount[0]++;
|
---|
342 | }
|
---|
343 | JobData jobData;
|
---|
344 | List<IPluginDescription> plugins;
|
---|
345 |
|
---|
346 | if (hiveJob.ItemJob.ComputeInParallel && (hiveJob.ItemJob.Item is Optimization.Experiment || hiveJob.ItemJob.Item is Optimization.BatchRun)) {
|
---|
347 | hiveJob.Job.IsParentJob = true;
|
---|
348 | hiveJob.Job.FinishWhenChildJobsFinished = true;
|
---|
349 | jobData = hiveJob.GetAsJobData(true, out plugins);
|
---|
350 | } else {
|
---|
351 | hiveJob.Job.IsParentJob = false;
|
---|
352 | hiveJob.Job.FinishWhenChildJobsFinished = false;
|
---|
353 | jobData = hiveJob.GetAsJobData(false, out plugins);
|
---|
354 | }
|
---|
355 | cancellationToken.ThrowIfCancellationRequested();
|
---|
356 |
|
---|
357 | TryAndRepeat(() => {
|
---|
358 | if (!cancellationToken.IsCancellationRequested) {
|
---|
359 | lock (pluginLocker) {
|
---|
360 | ServiceLocator.Instance.CallHiveService((s) => hiveJob.Job.PluginsNeededIds = PluginUtil.GetPluginDependencies(s, this.onlinePlugins, this.alreadyUploadedPlugins, plugins));
|
---|
361 | }
|
---|
362 | }
|
---|
363 | }, -1, "Failed to upload plugins");
|
---|
364 | cancellationToken.ThrowIfCancellationRequested();
|
---|
365 | hiveJob.Job.PluginsNeededIds.Add(configPluginId);
|
---|
366 | hiveJob.Job.HiveExperimentId = hiveExperimentId;
|
---|
367 | hiveJob.Job.IsPrivileged = isPrivileged;
|
---|
368 |
|
---|
369 | log.LogMessage(string.Format("Uploading job ({0} kb, {1} objects)", jobData.Data.Count() / 1024, hiveJob.ItemJob.GetObjectGraphObjects().Count()));
|
---|
370 | TryAndRepeat(() => {
|
---|
371 | if (!cancellationToken.IsCancellationRequested) {
|
---|
372 | if (parentHiveJob != null) {
|
---|
373 | hiveJob.Job.Id = ServiceLocator.Instance.CallHiveService((s) => s.AddChildJob(parentHiveJob.Job.Id, hiveJob.Job, jobData));
|
---|
374 | } else {
|
---|
375 | hiveJob.Job.Id = ServiceLocator.Instance.CallHiveService((s) => s.AddJob(hiveJob.Job, jobData, groups.ToList()));
|
---|
376 | }
|
---|
377 | }
|
---|
378 | }, 50, "Failed to add job", log);
|
---|
379 | cancellationToken.ThrowIfCancellationRequested();
|
---|
380 |
|
---|
381 | lock (jobCountLocker) {
|
---|
382 | progress.ProgressValue = (double)jobCount[0] / totalJobCount;
|
---|
383 | progress.Status = string.Format("Uploaded job ({0} of {1})", jobCount[0], totalJobCount);
|
---|
384 | }
|
---|
385 |
|
---|
386 | var tasks = new List<Task>();
|
---|
387 | foreach (HiveJob child in hiveJob.ChildHiveJobs) {
|
---|
388 | tasks.Add(Task.Factory.StartNew((tuple) => {
|
---|
389 | var arguments = (Tuple<HiveJob, HiveJob>)tuple;
|
---|
390 | UploadJobWithChildren(progress, arguments.Item1, arguments.Item2, groups, jobCount, totalJobCount, configPluginId, hiveExperimentId, log, isPrivileged, cancellationToken);
|
---|
391 | }, new Tuple<HiveJob, HiveJob>(child, hiveJob))
|
---|
392 | .ContinueWith((x) => log.LogException(x.Exception), TaskContinuationOptions.OnlyOnFaulted));
|
---|
393 | }
|
---|
394 | jobUploadSemaphore.Release(); semaphoreReleased = true; // the semaphore has to be release before waitall!
|
---|
395 | try {
|
---|
396 | Task.WaitAll(tasks.ToArray());
|
---|
397 | }
|
---|
398 | catch (AggregateException ae) {
|
---|
399 | if (!ae.InnerExceptions.All(e => e is TaskCanceledException)) throw ae; // for some reason the WaitAll throws a AggregateException containg a TaskCanceledException. i don't know where it comes from, however the tasks all finish properly, so for now just ignore it
|
---|
400 | }
|
---|
401 | }
|
---|
402 | finally {
|
---|
403 | if (!semaphoreReleased) jobUploadSemaphore.Release();
|
---|
404 | }
|
---|
405 | }
|
---|
406 | #endregion
|
---|
407 |
|
---|
408 | #region Download Experiment
|
---|
409 | public static void LoadExperiment(RefreshableHiveExperiment refreshableHiveExperiment) {
|
---|
410 | var hiveExperiment = refreshableHiveExperiment.HiveExperiment;
|
---|
411 | refreshableHiveExperiment.Progress = new Progress();
|
---|
412 |
|
---|
413 | try {
|
---|
414 | refreshableHiveExperiment.IsProgressing = true;
|
---|
415 | int totalJobCount = 0;
|
---|
416 | IEnumerable<LightweightJob> allJobs;
|
---|
417 |
|
---|
418 | refreshableHiveExperiment.Progress.Status = "Connecting to Server...";
|
---|
419 | // fetch all Job objects to create the full tree of tree of HiveJob objects
|
---|
420 | refreshableHiveExperiment.Progress.Status = "Downloading list of jobs...";
|
---|
421 | allJobs = ServiceLocator.Instance.CallHiveService(s => s.GetLightweightExperimentJobs(hiveExperiment.Id));
|
---|
422 | totalJobCount = allJobs.Count();
|
---|
423 |
|
---|
424 | HiveJobDownloader downloader = new HiveJobDownloader(allJobs.Select(x => x.Id));
|
---|
425 | downloader.StartAsync();
|
---|
426 |
|
---|
427 | while (!downloader.IsFinished) {
|
---|
428 | refreshableHiveExperiment.Progress.ProgressValue = downloader.FinishedCount / (double)totalJobCount;
|
---|
429 | refreshableHiveExperiment.Progress.Status = string.Format("Downloading/deserializing jobs... ({0}/{1} finished)", downloader.FinishedCount, totalJobCount);
|
---|
430 | Thread.Sleep(500);
|
---|
431 |
|
---|
432 | if (downloader.IsFaulted) {
|
---|
433 | throw downloader.Exception;
|
---|
434 | }
|
---|
435 | }
|
---|
436 | IDictionary<Guid, HiveJob> allHiveJobs = downloader.Results;
|
---|
437 |
|
---|
438 | refreshableHiveExperiment.HiveJobs = new ItemCollection<HiveJob>(allHiveJobs.Values.Where(x => !x.Job.ParentJobId.HasValue));
|
---|
439 |
|
---|
440 | if (refreshableHiveExperiment.IsFinished()) {
|
---|
441 | refreshableHiveExperiment.ExecutionState = Core.ExecutionState.Stopped;
|
---|
442 | } else {
|
---|
443 | refreshableHiveExperiment.ExecutionState = Core.ExecutionState.Started;
|
---|
444 | }
|
---|
445 |
|
---|
446 | // build child-job tree
|
---|
447 | foreach (HiveJob hiveJob in refreshableHiveExperiment.HiveJobs) {
|
---|
448 | BuildHiveJobTree(hiveJob, allJobs, allHiveJobs);
|
---|
449 | }
|
---|
450 |
|
---|
451 | refreshableHiveExperiment.OnLoaded();
|
---|
452 | }
|
---|
453 | finally {
|
---|
454 | refreshableHiveExperiment.IsProgressing = false;
|
---|
455 | }
|
---|
456 | }
|
---|
457 |
|
---|
458 | private static void BuildHiveJobTree(HiveJob parentHiveJob, IEnumerable<LightweightJob> allJobs, IDictionary<Guid, HiveJob> allHiveJobs) {
|
---|
459 | IEnumerable<LightweightJob> childJobs = from job in allJobs
|
---|
460 | where job.ParentJobId.HasValue && job.ParentJobId.Value == parentHiveJob.Job.Id
|
---|
461 | orderby job.DateCreated ascending
|
---|
462 | select job;
|
---|
463 | foreach (LightweightJob job in childJobs) {
|
---|
464 | HiveJob childHiveJob = allHiveJobs[job.Id];
|
---|
465 | parentHiveJob.AddChildHiveJob(childHiveJob);
|
---|
466 | BuildHiveJobTree(childHiveJob, allJobs, allHiveJobs);
|
---|
467 | }
|
---|
468 | }
|
---|
469 | #endregion
|
---|
470 |
|
---|
471 | /// <summary>
|
---|
472 | /// Converts a string which can contain Ids separated by ';' to a enumerable
|
---|
473 | /// </summary>
|
---|
474 | private static IEnumerable<string> ToResourceNameList(string resourceNames) {
|
---|
475 | if (!string.IsNullOrEmpty(resourceNames)) {
|
---|
476 | return resourceNames.Split(';');
|
---|
477 | } else {
|
---|
478 | return new List<string>();
|
---|
479 | }
|
---|
480 | }
|
---|
481 |
|
---|
482 | public static ItemJob LoadItemJob(Guid jobId) {
|
---|
483 | JobData jobData = ServiceLocator.Instance.CallHiveService(s => s.GetJobData(jobId));
|
---|
484 | try {
|
---|
485 | return PersistenceUtil.Deserialize<ItemJob>(jobData.Data);
|
---|
486 | }
|
---|
487 | catch {
|
---|
488 | return null;
|
---|
489 | }
|
---|
490 | }
|
---|
491 |
|
---|
492 | /// <summary>
|
---|
493 | /// Executes the action. If it throws an exception it is repeated until repetition-count is reached.
|
---|
494 | /// If repetitions is -1, it is repeated infinitely.
|
---|
495 | /// </summary>
|
---|
496 | public static void TryAndRepeat(Action action, int repetitions, string errorMessage, ILog log = null) {
|
---|
497 | while (true) {
|
---|
498 | try { action(); return; }
|
---|
499 | catch (Exception e) {
|
---|
500 | if (repetitions == 0) throw new HiveException(errorMessage, e);
|
---|
501 | if (log != null) log.LogMessage(string.Format("{0}: {1} - will try again!", errorMessage, e.ToString()));
|
---|
502 | repetitions--;
|
---|
503 | }
|
---|
504 | }
|
---|
505 | }
|
---|
506 |
|
---|
507 | public static HiveItemCollection<HiveExperimentPermission> GetHiveExperimentPermissions(Guid hiveExperimentId) {
|
---|
508 | return ServiceLocator.Instance.CallHiveService((service) => {
|
---|
509 | IEnumerable<HiveExperimentPermission> heps = service.GetHiveExperimentPermissions(hiveExperimentId);
|
---|
510 | foreach (var hep in heps) {
|
---|
511 | hep.GrantedUserName = service.GetUsernameByUserId(hep.GrantedUserId);
|
---|
512 | }
|
---|
513 | return new HiveItemCollection<HiveExperimentPermission>(heps);
|
---|
514 | });
|
---|
515 | }
|
---|
516 | }
|
---|
517 | }
|
---|