1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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.Net;
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24 | using System.Threading;
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25 | using HeuristicLab.Clients.Hive.SlaveCore;
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26 | using Microsoft.WindowsAzure.Diagnostics;
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27 | using Microsoft.WindowsAzure.ServiceRuntime;
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28 | using Microsoft.WindowsAzure;
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29 | using Microsoft.WindowsAzure.StorageClient;
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30 | using System.Text;
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31 |
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32 | namespace HeuristicLab.Clients.Hive.Slave.AzureClient {
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33 |
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34 |
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35 | public class WorkerRole : RoleEntryPoint {
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36 | private Core core;
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37 | private Thread coreThread;
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38 |
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39 | private const string HiveServerAddressSetting = "HiveServerAddress";
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40 | private const string HiveServerCertificateSetting = "HiveServerCertifcateEncodedValue";
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41 |
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42 | public override void Run() {
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43 | try {
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44 | LogError(new Exception("Starting Run()..."));
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45 | core = new Core(false);
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46 |
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47 | string hiveServerAddress = RoleEnvironment.GetConfigurationSettingValue(HiveServerAddressSetting);
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48 | string hiveServerCertificate = RoleEnvironment.GetConfigurationSettingValue(HiveServerCertificateSetting);
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49 |
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50 | // values are empty, settings from app.config are used
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51 | if (!string.IsNullOrEmpty(hiveServerAddress) && !string.IsNullOrEmpty(hiveServerCertificate)) {
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52 | core.SetNewHiveServer(hiveServerAddress, hiveServerCertificate);
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53 | }
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54 |
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55 | coreThread = new Thread(core.Start);
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56 | coreThread.Start();
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57 |
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58 | LogError(new Exception("Run(): Core started successfullly"));
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59 | while (true) {
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60 | Thread.Sleep(10000);
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61 | }
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62 | }
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63 | catch (Exception e) {
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64 | LogError(e);
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65 | throw e;
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66 | }
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67 | }
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68 |
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69 | public override bool OnStart() {
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70 | try {
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71 | ServicePointManager.DefaultConnectionLimit = 12;
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72 | //core = new Core();
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73 | LogError(new Exception("Running OnStart()"));
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74 | try {
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75 | if (!String.IsNullOrEmpty(RoleEnvironment.GetConfigurationSettingValue(Constants.DiagnosticsConnectionString))) {
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76 | DiagnosticMonitorConfiguration dmc = DiagnosticMonitor.GetDefaultInitialConfiguration();
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77 | dmc.Logs.ScheduledTransferPeriod = TimeSpan.FromSeconds(5);
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78 | dmc.Logs.ScheduledTransferLogLevelFilter = LogLevel.Verbose;
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79 | DiagnosticMonitor.Start(Constants.DiagnosticsConnectionString, dmc);
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80 | }
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81 | }
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82 | catch (RoleEnvironmentException ex) {
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83 | // diagnostics connection string not in configuration
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84 | // -> diagnostics disabled
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85 | // nothing more to do
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86 | LogError(ex);
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87 | }
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88 |
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89 | RoleEnvironment.Changed += RoleEnvironmentChanged;
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90 | LogError(new Exception("Finished OnStart() successfullly"));
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91 | }
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92 | catch (Exception ex) {
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93 | LogError(ex);
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94 | throw ex;
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95 | }
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96 | return base.OnStart();
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97 | }
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98 |
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99 | private void LogError(Exception e) {
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100 | var storageAccount = CloudStorageAccount.Parse(RoleEnvironment.GetConfigurationSettingValue(Constants.DiagnosticsConnectionString));
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101 | var blobClient = storageAccount.CreateCloudBlobClient();
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102 | var container = blobClient.GetContainerReference("slavelog");
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103 | container.CreateIfNotExist();
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104 | var guid = Guid.NewGuid();
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105 | var blob = container.GetBlobReference(guid.ToString());
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106 | var builder = new StringBuilder();
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107 | builder.Append("ToString: ").Append(e.ToString()).Append("\n");
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108 | builder.Append("Message: ").Append(e.Message).Append("\n");
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109 | blob.UploadText(builder.ToString());
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110 | }
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111 |
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112 | public override void OnStop() {
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113 | core.Shutdown();
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114 | base.OnStop();
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115 | }
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116 |
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117 | private void RoleEnvironmentChanged(object sender, RoleEnvironmentChangedEventArgs e) {
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118 | }
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119 | }
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120 | }
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