1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2010 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 HeuristicLab.Clients.Common;
|
---|
25 | using HeuristicLab.Clients.Hive.Slave.Properties;
|
---|
26 | using HeuristicLab.Common;
|
---|
27 | using HeuristicLab.Services.Hive.Common;
|
---|
28 | using HeuristicLab.Services.Hive.Common.DataTransfer;
|
---|
29 | using HeuristicLab.Services.Hive.Common.ServiceContracts;
|
---|
30 |
|
---|
31 | namespace HeuristicLab.Clients.Hive.Salve {
|
---|
32 |
|
---|
33 | /// <summary>
|
---|
34 | /// WcfService class is implemented as a Singleton and works as a communication Layer with the Server
|
---|
35 | /// </summary>
|
---|
36 | public class WcfService : MarshalByRefObject {
|
---|
37 | private static WcfService instance;
|
---|
38 | /// <summary>
|
---|
39 | /// Getter for the Instance of the WcfService
|
---|
40 | /// </summary>
|
---|
41 | /// <returns>the Instance of the WcfService class</returns>
|
---|
42 | public static WcfService Instance {
|
---|
43 | get {
|
---|
44 | if (instance == null) {
|
---|
45 | instance = new WcfService();
|
---|
46 | }
|
---|
47 | return instance;
|
---|
48 | }
|
---|
49 | }
|
---|
50 |
|
---|
51 | public DateTime ConnectedSince { get; private set; }
|
---|
52 | public NetworkEnum.WcfConnState ConnState { get; private set; }
|
---|
53 |
|
---|
54 | public event EventHandler Connected;
|
---|
55 | private void OnConnected() {
|
---|
56 | var handler = Connected;
|
---|
57 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
58 | }
|
---|
59 |
|
---|
60 | public event EventHandler<EventArgs<Exception>> ExceptionOccured;
|
---|
61 | private void OnExceptionOccured(Exception e) {
|
---|
62 | var handler = ExceptionOccured;
|
---|
63 | if (handler != null) handler(this, new EventArgs<Exception>(e));
|
---|
64 | }
|
---|
65 |
|
---|
66 | /// <summary>
|
---|
67 | /// Constructor
|
---|
68 | /// </summary>
|
---|
69 | private WcfService() {
|
---|
70 | ConnState = NetworkEnum.WcfConnState.Disconnected;
|
---|
71 | }
|
---|
72 |
|
---|
73 | /// <summary>
|
---|
74 | /// Connects with the Server, registers the events and fires the Connected (and quiet possibly the ConnectionRestored) Event.
|
---|
75 | /// </summary>
|
---|
76 | public void Connect(HeuristicLab.Services.Hive.Common.DataTransfer.Slave slaveInfo) {
|
---|
77 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
78 | try {
|
---|
79 | ConnState = NetworkEnum.WcfConnState.Connected;
|
---|
80 | ConnectedSince = DateTime.Now;
|
---|
81 | service.Obj.Hello(Settings.Default.Guid, slaveInfo.Name, slaveInfo.Cores.Value, slaveInfo.Memory.Value);
|
---|
82 | OnConnected();
|
---|
83 | }
|
---|
84 | catch (Exception ex) {
|
---|
85 | HandleNetworkError(ex);
|
---|
86 | }
|
---|
87 | }
|
---|
88 | }
|
---|
89 |
|
---|
90 | /// <summary>
|
---|
91 | /// Disconnects the Slave from the Server
|
---|
92 | /// </summary>
|
---|
93 | public void Disconnect() {
|
---|
94 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
95 | try {
|
---|
96 | service.Obj.GoodBye();
|
---|
97 | ConnState = NetworkEnum.WcfConnState.Disconnected;
|
---|
98 | }
|
---|
99 | catch (Exception ex) {
|
---|
100 | HandleNetworkError(ex);
|
---|
101 | }
|
---|
102 | }
|
---|
103 | }
|
---|
104 |
|
---|
105 | /// <summary>
|
---|
106 | /// Network communication Error Handler - Every network error gets logged and the connection switches to faulted state
|
---|
107 | /// </summary>
|
---|
108 | /// <param name="e">The Exception</param>
|
---|
109 | private void HandleNetworkError(Exception e) {
|
---|
110 | ConnState = NetworkEnum.WcfConnState.Failed;
|
---|
111 | OnExceptionOccured(e);
|
---|
112 | }
|
---|
113 |
|
---|
114 | /// <summary>
|
---|
115 | /// Aquire a Job from the Server, return the Job
|
---|
116 | /// </summary>
|
---|
117 | public Job AquireJob() {
|
---|
118 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
119 | try {
|
---|
120 | Job job = service.Obj.AquireJob(Settings.Default.Guid);
|
---|
121 | return job;
|
---|
122 | }
|
---|
123 | catch (Exception ex) {
|
---|
124 | HandleNetworkError(ex);
|
---|
125 | return null;
|
---|
126 | }
|
---|
127 | }
|
---|
128 | }
|
---|
129 |
|
---|
130 | public JobData GetJobData(Guid jobId) {
|
---|
131 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
132 | try {
|
---|
133 | JobData jobData = service.Obj.GetJobData(jobId);
|
---|
134 | return jobData;
|
---|
135 | }
|
---|
136 | catch (Exception ex) {
|
---|
137 | HandleNetworkError(ex);
|
---|
138 | return null;
|
---|
139 | }
|
---|
140 | }
|
---|
141 | }
|
---|
142 |
|
---|
143 | /// <summary>
|
---|
144 | /// used on pause or if job finished to upload the job results
|
---|
145 | /// </summary>
|
---|
146 | /// <param name="job"></param>
|
---|
147 | /// <param name="jobData"></param>
|
---|
148 | public void UpdateJob(Job job, JobData jobData) {
|
---|
149 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
150 | try {
|
---|
151 | service.Obj.UpdateJob(job, jobData);
|
---|
152 | }
|
---|
153 | catch (Exception ex) {
|
---|
154 | HandleNetworkError(ex);
|
---|
155 | }
|
---|
156 | }
|
---|
157 | }
|
---|
158 |
|
---|
159 | public List<MessageContainer> SendHeartbeat(Heartbeat heartbeat) {
|
---|
160 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
161 | try {
|
---|
162 | List<MessageContainer> msg = service.Obj.Heartbeat(heartbeat);
|
---|
163 | return msg;
|
---|
164 | }
|
---|
165 | catch (Exception ex) {
|
---|
166 | HandleNetworkError(ex);
|
---|
167 | return null;
|
---|
168 | }
|
---|
169 | }
|
---|
170 | }
|
---|
171 |
|
---|
172 | public IEnumerable<PluginData> GetPluginDatas(List<Guid> pluginIds) {
|
---|
173 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
174 | try {
|
---|
175 | IEnumerable<PluginData> msg = service.Obj.GetPluginDatas(pluginIds);
|
---|
176 | return msg;
|
---|
177 | }
|
---|
178 | catch (Exception ex) {
|
---|
179 | HandleNetworkError(ex);
|
---|
180 | return null;
|
---|
181 | }
|
---|
182 | }
|
---|
183 | }
|
---|
184 |
|
---|
185 | public IEnumerable<Plugin> GetPlugins() {
|
---|
186 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
187 | try {
|
---|
188 | IEnumerable<Plugin> msg = service.Obj.GetPlugins();
|
---|
189 | return msg;
|
---|
190 | }
|
---|
191 | catch (Exception ex) {
|
---|
192 | HandleNetworkError(ex);
|
---|
193 | return null;
|
---|
194 | }
|
---|
195 | }
|
---|
196 | }
|
---|
197 |
|
---|
198 | public Guid AddChildJob(Guid parentJobId, Job job, JobData jobData) {
|
---|
199 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
200 | try {
|
---|
201 | Guid msg = service.Obj.AddChildJob(parentJobId, job, jobData);
|
---|
202 | return msg;
|
---|
203 | }
|
---|
204 | catch (Exception ex) {
|
---|
205 | HandleNetworkError(ex);
|
---|
206 | return new Guid();
|
---|
207 | }
|
---|
208 | }
|
---|
209 | }
|
---|
210 |
|
---|
211 | public IEnumerable<JobData> GetChildJobs(Guid? parentJobId) {
|
---|
212 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
213 | try {
|
---|
214 | IEnumerable<LightweightJob> msg = service.Obj.GetLightweightChildJobs(parentJobId, false, false);
|
---|
215 |
|
---|
216 | List<JobData> jobs = new List<JobData>();
|
---|
217 | foreach (LightweightJob ljob in msg)
|
---|
218 | jobs.Add(service.Obj.GetJobData(ljob.Id));
|
---|
219 |
|
---|
220 | return jobs;
|
---|
221 | }
|
---|
222 | catch (Exception ex) {
|
---|
223 | HandleNetworkError(ex);
|
---|
224 | return null;
|
---|
225 | }
|
---|
226 | }
|
---|
227 | }
|
---|
228 |
|
---|
229 | public void DeleteChildJobs(Guid jobId) {
|
---|
230 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
231 | try {
|
---|
232 | service.Obj.DeleteChildJobs(jobId);
|
---|
233 | }
|
---|
234 | catch (Exception ex) {
|
---|
235 | HandleNetworkError(ex);
|
---|
236 | }
|
---|
237 | }
|
---|
238 | }
|
---|
239 |
|
---|
240 | public PluginData GetConfigurationFile() {
|
---|
241 | using (Disposable<IHiveService> service = ServiceLocator.Instance.GetService()) {
|
---|
242 | try {
|
---|
243 | PluginData msg = service.Obj.GetConfigurationFile();
|
---|
244 | return msg;
|
---|
245 | }
|
---|
246 | catch (Exception ex) {
|
---|
247 | HandleNetworkError(ex);
|
---|
248 | return null;
|
---|
249 | }
|
---|
250 | }
|
---|
251 | }
|
---|
252 | }
|
---|
253 | } |
---|