Last change
on this file since 5093 was
5093,
checked in by cneumuel, 14 years ago
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#1260
- moved all state-information into lifecycleManager
- changed isolation level for transactions to ReadCommited
- made currentlyFetching-status on slave more rubust
- made LogServiceReader more rubust
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File size:
1.8 KB
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1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using System.Windows.Forms;
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6 | using HeuristicLab.Core;
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7 | using HeuristicLab.Hive.Slave.Console.SlaveConsoleService;
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8 | using HeuristicLab.Clients.Common;
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9 |
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10 | namespace HeuristicLab.Hive.Slave.Console {
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11 | internal class LogServiceReader : ILogReader {
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12 |
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13 | private Timer timer;
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14 | private int messageCount = 0;
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15 |
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16 | public LogServiceReader() {
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17 | }
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18 |
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19 | public void Start() {
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20 | timer = new Timer();
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21 | timer.Interval = 2000;
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22 | timer.Tick += new EventHandler(timer_Tick);
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23 | timer.Start();
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24 | }
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25 |
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26 | void timer_Tick(object sender, EventArgs e) {
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27 | try {
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28 | using (var slaveClient = ClientFactory.CreateClient<ISlaveConsoleCommunicator>("SlaveConsoleTcpEndpointClient")) {
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29 | try {
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30 | var messages = slaveClient.Obj.GetLogMessages();
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31 | if (messages.Count < messageCount) {
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32 | messageCount = 0; // log got cleared
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33 | }
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34 | var newMessages = messages.GetRange(messageCount, messages.Count - messageCount);
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35 | messageCount = messages.Count;
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36 | OnMoreData(newMessages);
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37 |
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38 | }
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39 | catch (Exception ex) {
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40 | OnMoreData(new List<string> { "Error fetching log: " + ex.ToString() });
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41 | }
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42 | }
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43 | }
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44 | catch (Exception ex) {
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45 | OnMoreData(new List<string> { "Error in slave-communication: " + ex.ToString() });
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46 | }
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47 | }
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48 |
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49 | public void Stop() {
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50 | timer.Stop();
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51 | }
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52 |
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53 | public event MoreDataHandler MoreData;
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54 | private void OnMoreData(IEnumerable<string> newMessages) {
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55 | var handler = MoreData;
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56 | var newData = string.Join(Environment.NewLine, newMessages.ToArray());
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57 | if (newMessages.Count() > 0) newData += Environment.NewLine;
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58 | if (handler != null) MoreData(this, newData);
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59 | }
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60 | }
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61 | }
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