1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2008 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.Linq;
|
---|
25 | using System.Text;
|
---|
26 | using HeuristicLab.Hive.Client.ExecutionEngine;
|
---|
27 | using HeuristicLab.Hive.Client.Common;
|
---|
28 | using System.Threading;
|
---|
29 | using System.Reflection;
|
---|
30 | using System.Diagnostics;
|
---|
31 | using System.Security.Permissions;
|
---|
32 | using System.Security.Policy;
|
---|
33 | using System.Security;
|
---|
34 | using HeuristicLab.Hive.Client.Communication;
|
---|
35 | using HeuristicLab.Hive.Contracts.BusinessObjects;
|
---|
36 | using HeuristicLab.Hive.Contracts;
|
---|
37 | using System.Runtime.Remoting.Messaging;
|
---|
38 | using HeuristicLab.PluginInfrastructure;
|
---|
39 | using System.ServiceModel;
|
---|
40 | using System.ServiceModel.Description;
|
---|
41 | using HeuristicLab.Hive.Client.Core.ClientConsoleService;
|
---|
42 | using HeuristicLab.Hive.Client.Core.ConfigurationManager;
|
---|
43 | using HeuristicLab.Hive.Client.Communication.ServerService;
|
---|
44 | using HeuristicLab.Hive.JobBase;
|
---|
45 | using HeuristicLab.Hive.Client.Core.JobStorage;
|
---|
46 | using HeuristicLab.Tracing;
|
---|
47 | using System.IO;
|
---|
48 |
|
---|
49 | namespace HeuristicLab.Hive.Client.Core {
|
---|
50 | /// <summary>
|
---|
51 | /// The core component of the Hive Client
|
---|
52 | /// </summary>
|
---|
53 | public class Core : MarshalByRefObject {
|
---|
54 | public static bool abortRequested { get; set; }
|
---|
55 |
|
---|
56 | private bool _currentlyFetching;
|
---|
57 | private bool CurrentlyFetching {
|
---|
58 | get {
|
---|
59 | return _currentlyFetching;
|
---|
60 | } set {
|
---|
61 | _currentlyFetching = value;
|
---|
62 | Logger.Debug("Set CurrentlyFetching to " + _currentlyFetching);
|
---|
63 | }
|
---|
64 | }
|
---|
65 |
|
---|
66 | private Dictionary<Guid, Executor> engines = new Dictionary<Guid, Executor>();
|
---|
67 | private Dictionary<Guid, AppDomain> appDomains = new Dictionary<Guid, AppDomain>();
|
---|
68 | private Dictionary<Guid, JobDto> jobs = new Dictionary<Guid, JobDto>();
|
---|
69 |
|
---|
70 | private WcfService wcfService;
|
---|
71 | private Heartbeat beat;
|
---|
72 |
|
---|
73 | /// <summary>
|
---|
74 | /// Main Method for the client
|
---|
75 | /// </summary>
|
---|
76 | public void Start() {
|
---|
77 | abortRequested = false;
|
---|
78 | Logger.Info("Hive Client started");
|
---|
79 | ClientConsoleServer server = new ClientConsoleServer();
|
---|
80 | server.StartClientConsoleServer(new Uri("net.tcp://127.0.0.1:8000/ClientConsole/"));
|
---|
81 |
|
---|
82 | ConfigManager manager = ConfigManager.Instance;
|
---|
83 | manager.Core = this;
|
---|
84 |
|
---|
85 |
|
---|
86 |
|
---|
87 | //Register all Wcf Service references
|
---|
88 | wcfService = WcfService.Instance;
|
---|
89 | wcfService.LoginCompleted += new EventHandler<LoginCompletedEventArgs>(wcfService_LoginCompleted);
|
---|
90 | wcfService.SendJobCompleted += new EventHandler<SendJobCompletedEventArgs>(wcfService_SendJobCompleted);
|
---|
91 | wcfService.StoreFinishedJobResultCompleted += new EventHandler<StoreFinishedJobResultCompletedEventArgs>(wcfService_StoreFinishedJobResultCompleted);
|
---|
92 | wcfService.ProcessSnapshotCompleted += new EventHandler<ProcessSnapshotCompletedEventArgs>(wcfService_ProcessSnapshotCompleted);
|
---|
93 | wcfService.ConnectionRestored += new EventHandler(wcfService_ConnectionRestored);
|
---|
94 | wcfService.ServerChanged += new EventHandler(wcfService_ServerChanged);
|
---|
95 | wcfService.Connected += new EventHandler(wcfService_Connected);
|
---|
96 | //Recover Server IP and Port from the Settings Framework
|
---|
97 | ConnectionContainer cc = ConfigManager.Instance.GetServerIPAndPort();
|
---|
98 | if (cc.IPAdress != String.Empty && cc.Port != 0)
|
---|
99 | wcfService.SetIPAndPort(cc.IPAdress, cc.Port);
|
---|
100 |
|
---|
101 | if (!UptimeManager.Instance.CalendarAvailable || UptimeManager.Instance.IsOnline())
|
---|
102 | wcfService.Connect();
|
---|
103 |
|
---|
104 | //Initialize the heartbeat
|
---|
105 | beat = new Heartbeat { Interval = 10000 };
|
---|
106 | beat.StartHeartbeat();
|
---|
107 |
|
---|
108 | MessageQueue queue = MessageQueue.GetInstance();
|
---|
109 |
|
---|
110 | //Main processing loop
|
---|
111 | //Todo: own thread for message handling
|
---|
112 | //Rly?!
|
---|
113 | while (!abortRequested) {
|
---|
114 | MessageContainer container = queue.GetMessage();
|
---|
115 | DetermineAction(container);
|
---|
116 | }
|
---|
117 | Logger.Info("Program shutdown");
|
---|
118 | }
|
---|
119 |
|
---|
120 | /// <summary>
|
---|
121 | /// Reads and analyzes the Messages from the MessageQueue and starts corresponding actions
|
---|
122 | /// </summary>
|
---|
123 | /// <param name="container">The Container, containing the message</param>
|
---|
124 | private void DetermineAction(MessageContainer container) {
|
---|
125 | Logger.Info("Message: " + container.Message.ToString() + " for job: " + container.JobId);
|
---|
126 | switch (container.Message) {
|
---|
127 | //Server requests to abort a job
|
---|
128 | case MessageContainer.MessageType.AbortJob:
|
---|
129 | if (engines.ContainsKey(container.JobId))
|
---|
130 | engines[container.JobId].Abort();
|
---|
131 | else
|
---|
132 | Logger.Error("AbortJob: Engine doesn't exist");
|
---|
133 | break;
|
---|
134 | //Job has been successfully aborted
|
---|
135 |
|
---|
136 |
|
---|
137 | case MessageContainer.MessageType.JobAborted:
|
---|
138 | Guid jobId = new Guid(container.JobId.ToString());
|
---|
139 | KillAppDomain(jobId);
|
---|
140 | break;
|
---|
141 |
|
---|
142 |
|
---|
143 | //Request a Snapshot from the Execution Engine
|
---|
144 | case MessageContainer.MessageType.RequestSnapshot:
|
---|
145 | if (engines.ContainsKey(container.JobId))
|
---|
146 | engines[container.JobId].RequestSnapshot();
|
---|
147 | else
|
---|
148 | Logger.Error("RequestSnapshot: Engine doesn't exist");
|
---|
149 | break;
|
---|
150 |
|
---|
151 |
|
---|
152 | //Snapshot is ready and can be sent back to the Server
|
---|
153 | case MessageContainer.MessageType.SnapshotReady:
|
---|
154 | ThreadPool.QueueUserWorkItem(new WaitCallback(GetSnapshot), container.JobId);
|
---|
155 | break;
|
---|
156 |
|
---|
157 |
|
---|
158 | //Pull a Job from the Server
|
---|
159 | case MessageContainer.MessageType.FetchJob:
|
---|
160 | if (!CurrentlyFetching) {
|
---|
161 | wcfService.SendJobAsync(ConfigManager.Instance.GetClientInfo().Id);
|
---|
162 | CurrentlyFetching = true;
|
---|
163 | } else
|
---|
164 | Logger.Info("Currently fetching, won't fetch this time!");
|
---|
165 | break;
|
---|
166 |
|
---|
167 |
|
---|
168 | //A Job has finished and can be sent back to the server
|
---|
169 | case MessageContainer.MessageType.FinishedJob:
|
---|
170 | ThreadPool.QueueUserWorkItem(new WaitCallback(GetFinishedJob), container.JobId);
|
---|
171 | break;
|
---|
172 |
|
---|
173 |
|
---|
174 | //When the timeslice is up
|
---|
175 | case MessageContainer.MessageType.UptimeLimitDisconnect:
|
---|
176 | Logger.Info("Uptime Limit reached, storing jobs and sending them back");
|
---|
177 |
|
---|
178 | //check if there are running jobs
|
---|
179 | if (engines.Count > 0) {
|
---|
180 | //make sure there is no more fetching of jobs while the snapshots get processed
|
---|
181 | CurrentlyFetching = true;
|
---|
182 | //request a snapshot of each running job
|
---|
183 | foreach (KeyValuePair<Guid, Executor> kvp in engines) {
|
---|
184 | kvp.Value.RequestSnapshot();
|
---|
185 | }
|
---|
186 |
|
---|
187 | } else {
|
---|
188 | //Disconnect afterwards
|
---|
189 | WcfService.Instance.Disconnect();
|
---|
190 | }
|
---|
191 | break;
|
---|
192 |
|
---|
193 | //Fetch or Force Fetch Calendar!
|
---|
194 | case MessageContainer.MessageType.FetchOrForceFetchCalendar:
|
---|
195 | Logger.Info("Fetch Calendar from Server");
|
---|
196 | FetchCalendarFromServer();
|
---|
197 | break;
|
---|
198 |
|
---|
199 | //Hard shutdown of the client
|
---|
200 | case MessageContainer.MessageType.Shutdown:
|
---|
201 | Logger.Info("Shutdown Signal received");
|
---|
202 | lock (engines) {
|
---|
203 | Logger.Debug("engines locked");
|
---|
204 | foreach (KeyValuePair<Guid, AppDomain> kvp in appDomains) {
|
---|
205 | Logger.Debug("Shutting down Appdomain for " + kvp.Key);
|
---|
206 | appDomains[kvp.Key].UnhandledException -= new UnhandledExceptionEventHandler(appDomain_UnhandledException);
|
---|
207 | AppDomain.Unload(kvp.Value);
|
---|
208 | }
|
---|
209 | }
|
---|
210 | Logger.Debug("Stopping heartbeat");
|
---|
211 | abortRequested = true;
|
---|
212 | beat.StopHeartBeat();
|
---|
213 | Logger.Debug("Logging out");
|
---|
214 | WcfService.Instance.Logout(ConfigManager.Instance.GetClientInfo().Id);
|
---|
215 | break;
|
---|
216 | }
|
---|
217 | }
|
---|
218 |
|
---|
219 | //Asynchronous Threads for interaction with the Execution Engine
|
---|
220 | #region Async Threads for the EE
|
---|
221 |
|
---|
222 | /// <summary>
|
---|
223 | /// serializes the finished job and submits it to the server. If, at the time, a network connection is unavailable, the Job gets stored on the disk.
|
---|
224 | /// once the connection gets reestablished, the job gets submitted
|
---|
225 | /// </summary>
|
---|
226 | /// <param name="jobId"></param>
|
---|
227 | private void GetFinishedJob(object jobId) {
|
---|
228 | Guid jId = (Guid)jobId;
|
---|
229 | Logger.Info("Getting the finished job with id: " + jId);
|
---|
230 | try {
|
---|
231 | if (!engines.ContainsKey(jId)) {
|
---|
232 | Logger.Info("Engine doesn't exist");
|
---|
233 | return;
|
---|
234 | }
|
---|
235 |
|
---|
236 | byte[] sJob = engines[jId].GetFinishedJob();
|
---|
237 |
|
---|
238 | if (WcfService.Instance.ConnState == NetworkEnum.WcfConnState.Loggedin) {
|
---|
239 | Logger.Info("Sending the finished job with id: " + jId);
|
---|
240 | wcfService.StoreFinishedJobResultAsync(ConfigManager.Instance.GetClientInfo().Id,
|
---|
241 | jId,
|
---|
242 | sJob,
|
---|
243 | 1,
|
---|
244 | engines[jId].CurrentException,
|
---|
245 | true);
|
---|
246 | } else {
|
---|
247 | Logger.Info("Storing the finished job with id: " + jId + " to hdd");
|
---|
248 | JobStorageManager.PersistObjectToDisc(wcfService.ServerIP, wcfService.ServerPort, jId, sJob);
|
---|
249 | KillAppDomain(jId);
|
---|
250 | }
|
---|
251 | }
|
---|
252 | catch (InvalidStateException ise) {
|
---|
253 | Logger.Error("Invalid State while Snapshoting:", ise);
|
---|
254 | }
|
---|
255 | }
|
---|
256 |
|
---|
257 | private void GetSnapshot(object jobId) {
|
---|
258 | Logger.Info("Fetching a snapshot for job " + jobId);
|
---|
259 | Guid jId = (Guid)jobId;
|
---|
260 | byte[] obj = engines[jId].GetSnapshot();
|
---|
261 | Logger.Debug("BEGIN: Sending snapshot sync");
|
---|
262 | wcfService.ProcessSnapshotSync(ConfigManager.Instance.GetClientInfo().Id,
|
---|
263 | jId,
|
---|
264 | obj,
|
---|
265 | engines[jId].Progress,
|
---|
266 | null);
|
---|
267 | Logger.Debug("END: Sended snapshot sync");
|
---|
268 | //Uptime Limit reached, now is a good time to destroy this jobs.
|
---|
269 | Logger.Debug("Checking if uptime limit is reached");
|
---|
270 | if (!UptimeManager.Instance.IsOnline()) {
|
---|
271 | Logger.Debug("Uptime limit reached");
|
---|
272 | Logger.Debug("Killing Appdomain");
|
---|
273 | KillAppDomain(jId);
|
---|
274 | //Still anything running?
|
---|
275 | if (engines.Count == 0) {
|
---|
276 | Logger.Info("All jobs snapshotted and sent back, disconnecting");
|
---|
277 | WcfService.Instance.Disconnect();
|
---|
278 | } else {
|
---|
279 | Logger.Debug("There are still active Jobs in the Field, not disconnecting");
|
---|
280 | }
|
---|
281 |
|
---|
282 | } else {
|
---|
283 | Logger.Debug("Restarting the job" + jobId);
|
---|
284 | engines[jId].StartOnlyJob();
|
---|
285 | Logger.Info("Restarted the job" + jobId);
|
---|
286 | }
|
---|
287 | }
|
---|
288 |
|
---|
289 | #endregion
|
---|
290 |
|
---|
291 | //Eventhandlers for the communication with the wcf Layer
|
---|
292 | #region wcfService Events
|
---|
293 | /// <summary>
|
---|
294 | /// Login has returned
|
---|
295 | /// </summary>
|
---|
296 | /// <param name="sender"></param>
|
---|
297 | /// <param name="e"></param>
|
---|
298 | void wcfService_LoginCompleted(object sender, LoginCompletedEventArgs e) {
|
---|
299 | if (e.Result.Success) {
|
---|
300 | CurrentlyFetching = false;
|
---|
301 | Logger.Info("Login completed to Hive Server @ " + DateTime.Now);
|
---|
302 | } else
|
---|
303 | Logger.Error("Error during login: " + e.Result.StatusMessage);
|
---|
304 | }
|
---|
305 |
|
---|
306 | /// <summary>
|
---|
307 | /// A new Job from the wcfService has been received and will be started within a AppDomain.
|
---|
308 | /// </summary>
|
---|
309 | /// <param name="sender"></param>
|
---|
310 | /// <param name="e"></param>
|
---|
311 | void wcfService_SendJobCompleted(object sender, SendJobCompletedEventArgs e) {
|
---|
312 | if (e.Result.StatusMessage != ApplicationConstants.RESPONSE_COMMUNICATOR_NO_JOBS_LEFT) {
|
---|
313 | Logger.Info("Received new job with id " + e.Result.Job.Id);
|
---|
314 | bool sandboxed = false;
|
---|
315 | Logger.Debug("Fetching plugins for job " + e.Result.Job.Id);
|
---|
316 |
|
---|
317 | PluginCache.Instance.PreparePlugins(e.Result.Job.PluginsNeeded);
|
---|
318 |
|
---|
319 | PluginCache.Instance.CopyPluginsForJob(e.Result.Job.PluginsNeeded, e.Result.Job.Id);
|
---|
320 |
|
---|
321 | Logger.Debug("Plugins fetched for job " + e.Result.Job.Id);
|
---|
322 | try {
|
---|
323 | String pluginDir = Path.Combine(PluginCache.PLUGIN_REPO, e.Result.Job.Id.ToString());
|
---|
324 | AppDomain appDomain =
|
---|
325 | HeuristicLab.PluginInfrastructure.Sandboxing.SandboxManager.CreateAndInitSandbox(pluginDir, null);
|
---|
326 | appDomain.UnhandledException += new UnhandledExceptionEventHandler(appDomain_UnhandledException);
|
---|
327 | lock (engines) {
|
---|
328 | if (!jobs.ContainsKey(e.Result.Job.Id)) {
|
---|
329 | jobs.Add(e.Result.Job.Id, e.Result.Job);
|
---|
330 | appDomains.Add(e.Result.Job.Id, appDomain);
|
---|
331 | Logger.Debug("Creating AppDomain");
|
---|
332 | Executor engine =
|
---|
333 | (Executor)
|
---|
334 | appDomain.CreateInstanceAndUnwrap(typeof (Executor).Assembly.GetName().Name, typeof (Executor).FullName);
|
---|
335 | Logger.Debug("Created AppDomain");
|
---|
336 | engine.JobId = e.Result.Job.Id;
|
---|
337 | engine.Queue = MessageQueue.GetInstance();
|
---|
338 | Logger.Debug("Starting Engine for job " + e.Result.Job.Id);
|
---|
339 | engine.Start(e.Data);
|
---|
340 | engines.Add(e.Result.Job.Id, engine);
|
---|
341 |
|
---|
342 | ClientStatusInfo.JobsFetched++;
|
---|
343 |
|
---|
344 | Logger.Info("Increment FetchedJobs to:" + ClientStatusInfo.JobsFetched);
|
---|
345 | }
|
---|
346 | }
|
---|
347 | } catch(Exception exception) {
|
---|
348 | Logger.Error("Creating the Appdomain and loading the job failed for job " + e.Result.Job.Id);
|
---|
349 | Logger.Error("Error thrown is: ", exception);
|
---|
350 | CurrentlyFetching = false;
|
---|
351 | KillAppDomain(e.Result.Job.Id);
|
---|
352 | wcfService.StoreFinishedJobResultsSync(ConfigManager.Instance.GetClientInfo().Id, e.Result.Job.Id, new byte[] { },
|
---|
353 | 1, exception, true);
|
---|
354 | }
|
---|
355 | } else
|
---|
356 | Logger.Info("No more jobs left!");
|
---|
357 | CurrentlyFetching = false;
|
---|
358 | }
|
---|
359 |
|
---|
360 | /// <summary>
|
---|
361 | /// A finished job has been stored on the server
|
---|
362 | /// </summary>
|
---|
363 | /// <param name="sender"></param>
|
---|
364 | /// <param name="e"></param>
|
---|
365 | void wcfService_StoreFinishedJobResultCompleted(object sender, StoreFinishedJobResultCompletedEventArgs e) {
|
---|
366 | Logger.Info("Job submitted with id " + e.Result.JobId);
|
---|
367 | KillAppDomain(e.Result.JobId);
|
---|
368 | if (e.Result.Success) {
|
---|
369 | ClientStatusInfo.JobsProcessed++;
|
---|
370 | Logger.Info("Increased ProcessedJobs to:" + ClientStatusInfo.JobsProcessed);
|
---|
371 | } else {
|
---|
372 | Logger.Error("Sending of job " + e.Result.JobId + " failed, job has been wasted. Message: " + e.Result.StatusMessage);
|
---|
373 | }
|
---|
374 | }
|
---|
375 |
|
---|
376 | /// <summary>
|
---|
377 | /// A snapshot has been stored on the server
|
---|
378 | /// </summary>
|
---|
379 | /// <param name="sender"></param>
|
---|
380 | /// <param name="e"></param>
|
---|
381 | void wcfService_ProcessSnapshotCompleted(object sender, ProcessSnapshotCompletedEventArgs e) {
|
---|
382 | Logger.Info("Snapshot " + e.Result.JobId + " has been transmitted according to plan.");
|
---|
383 | }
|
---|
384 |
|
---|
385 | /// <summary>
|
---|
386 | /// The server has been changed. All Appdomains and Jobs must be aborted!
|
---|
387 | /// </summary>
|
---|
388 | /// <param name="sender"></param>
|
---|
389 | /// <param name="e"></param>
|
---|
390 | void wcfService_ServerChanged(object sender, EventArgs e) {
|
---|
391 | Logger.Info("ServerChanged has been called");
|
---|
392 | lock (engines) {
|
---|
393 | foreach (KeyValuePair<Guid, Executor> entries in engines) {
|
---|
394 | engines[entries.Key].Abort();
|
---|
395 | //appDomains[entries.Key].UnhandledException -= new UnhandledExceptionEventHandler(appDomain_UnhandledException);
|
---|
396 | //AppDomain.Unload(appDomains[entries.Key]);
|
---|
397 | }
|
---|
398 | //appDomains = new Dictionary<Guid, AppDomain>();
|
---|
399 | //engines = new Dictionary<Guid, Executor>();
|
---|
400 | //jobs = new Dictionary<Guid, Job>();
|
---|
401 | }
|
---|
402 | }
|
---|
403 |
|
---|
404 | /// <summary>
|
---|
405 | /// Connnection to the server has been estabilshed => Login and Send the persistet Jobs from the harddisk.
|
---|
406 | /// </summary>
|
---|
407 | /// <param name="sender"></param>
|
---|
408 | /// <param name="e"></param>
|
---|
409 | void wcfService_Connected(object sender, EventArgs e) {
|
---|
410 | Logger.Info("WCF Service got a connection");
|
---|
411 | if (!UptimeManager.Instance.CalendarAvailable) {
|
---|
412 | Logger.Info("No local calendar available, fetch it");
|
---|
413 | FetchCalendarFromServer();
|
---|
414 | }
|
---|
415 | //if the fetching from the server failed - still set the client online... maybe we get
|
---|
416 | //a result within the next few heartbeats
|
---|
417 | if (!UptimeManager.Instance.CalendarAvailable || UptimeManager.Instance.IsOnline()) {
|
---|
418 | Logger.Info("CalendarAvailable is " + UptimeManager.Instance.CalendarAvailable + " and IsOnline is: " + UptimeManager.Instance.IsOnline());
|
---|
419 | Logger.Info("Setting client online");
|
---|
420 | wcfService.LoginSync(ConfigManager.Instance.GetClientInfo());
|
---|
421 | JobStorageManager.CheckAndSubmitJobsFromDisc();
|
---|
422 | CurrentlyFetching = false;
|
---|
423 | }
|
---|
424 | }
|
---|
425 |
|
---|
426 | private void FetchCalendarFromServer() {
|
---|
427 | ResponseCalendar calres = wcfService.GetCalendarSync(ConfigManager.Instance.GetClientInfo().Id);
|
---|
428 | if(calres.Success) {
|
---|
429 | if (UptimeManager.Instance.SetAppointments(false, calres)) {
|
---|
430 | Logger.Info("Remote calendar installed");
|
---|
431 | wcfService.SetCalendarStatus(ConfigManager.Instance.GetClientInfo().Id, CalendarState.Fetched);
|
---|
432 | } else {
|
---|
433 | Logger.Info("Remote calendar installation failed, setting state to " + CalendarState.NotAllowedToFetch);
|
---|
434 | wcfService.SetCalendarStatus(ConfigManager.Instance.GetClientInfo().Id, CalendarState.NotAllowedToFetch);
|
---|
435 | }
|
---|
436 | } else {
|
---|
437 | Logger.Info("Remote calendar installation failed, setting state to " + CalendarState.NotAllowedToFetch);
|
---|
438 | wcfService.SetCalendarStatus(ConfigManager.Instance.GetClientInfo().Id, CalendarState.NotAllowedToFetch);
|
---|
439 | }
|
---|
440 | }
|
---|
441 |
|
---|
442 | //this is a little bit tricky -
|
---|
443 | void wcfService_ConnectionRestored(object sender, EventArgs e) {
|
---|
444 | Logger.Info("Reconnected to old server - checking currently running appdomains");
|
---|
445 |
|
---|
446 | foreach (KeyValuePair<Guid, Executor> execKVP in engines) {
|
---|
447 | if (!execKVP.Value.Running && execKVP.Value.CurrentMessage == MessageContainer.MessageType.NoMessage) {
|
---|
448 | Logger.Info("Checking for JobId: " + execKVP.Value.JobId);
|
---|
449 | Thread finThread = new Thread(new ParameterizedThreadStart(GetFinishedJob));
|
---|
450 | finThread.Start(execKVP.Value.JobId);
|
---|
451 | }
|
---|
452 | }
|
---|
453 | }
|
---|
454 |
|
---|
455 | #endregion
|
---|
456 |
|
---|
457 | public Dictionary<Guid, Executor> GetExecutionEngines() {
|
---|
458 | return engines;
|
---|
459 | }
|
---|
460 |
|
---|
461 | void appDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e) {
|
---|
462 | Logger.Error("Exception in AppDomain: " + e.ExceptionObject.ToString());
|
---|
463 | }
|
---|
464 |
|
---|
465 | internal Dictionary<Guid, JobDto> GetJobs() {
|
---|
466 | return jobs;
|
---|
467 | }
|
---|
468 |
|
---|
469 | /// <summary>
|
---|
470 | /// Kill a appdomain with a specific id.
|
---|
471 | /// </summary>
|
---|
472 | /// <param name="id">the GUID of the job</param>
|
---|
473 | private void KillAppDomain(Guid id) {
|
---|
474 | Logger.Debug("Shutting down Appdomain for Job " + id);
|
---|
475 | lock (engines) {
|
---|
476 | try {
|
---|
477 | if(engines.ContainsKey(id))
|
---|
478 | engines[id].Dispose();
|
---|
479 | if (appDomains.ContainsKey(id)) {
|
---|
480 | appDomains[id].UnhandledException -= new UnhandledExceptionEventHandler(appDomain_UnhandledException);
|
---|
481 | AppDomain.Unload(appDomains[id]);
|
---|
482 | appDomains.Remove(id);
|
---|
483 | }
|
---|
484 | engines.Remove(id);
|
---|
485 | jobs.Remove(id);
|
---|
486 | PluginCache.Instance.DeletePluginsForJob(id);
|
---|
487 | GC.Collect();
|
---|
488 | }
|
---|
489 | catch (Exception ex) {
|
---|
490 | Logger.Error("Exception when unloading the appdomain: ", ex);
|
---|
491 | }
|
---|
492 | }
|
---|
493 | GC.Collect();
|
---|
494 | }
|
---|
495 | }
|
---|
496 | }
|
---|