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 HeuristicLab.Hive.Contracts.BusinessObjects;
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6 | using HeuristicLab.Hive.Contracts.Interfaces;
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7 | using HeuristicLab.Hive.Contracts;
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8 | using HeuristicLab.Core;
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9 | using HeuristicLab.Hive.Server.Core.InternalInterfaces.DataAccess;
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10 | using System.Resources;
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11 | using System.Reflection;
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12 | using HeuristicLab.Hive.JobBase;
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13 |
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14 | namespace HeuristicLab.Hive.Server.Core {
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15 | /// <summary>
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16 | /// The ClientCommunicator manages the whole communication with the client
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17 | /// </summary>
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18 | public class ClientCommunicator: IClientCommunicator {
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19 | int nrOfJobs = 10;
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20 |
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21 | IClientAdapter clientAdapter;
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22 | IJobAdapter jobAdapter;
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23 | IJobResultsAdapter jobResultAdapter;
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24 |
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25 | public ClientCommunicator() {
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26 | clientAdapter = ServiceLocator.GetClientAdapter();
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27 | jobAdapter = ServiceLocator.GetJobAdapter();
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28 | jobResultAdapter = ServiceLocator.GetJobResultsAdapter();
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29 |
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30 | for (int i = 0; i < nrOfJobs; i++) {
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31 | Job job = new Job();
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32 | job.Id = i;
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33 | job.State = State.offline;
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34 | jobAdapter.Update(job);
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35 | }
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36 |
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37 | }
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38 |
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39 | #region IClientCommunicator Members
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40 |
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41 | public Response Login(ClientInfo clientInfo) {
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42 | Response response = new Response();
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43 |
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44 | ICollection<ClientInfo> allClients = clientAdapter.GetAll();
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45 | ClientInfo client = clientAdapter.GetById(clientInfo.ClientId);
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46 | if (client != null && client.State != State.offline) {
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47 | response.Success = false;
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48 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGIN_USER_ALLREADY_ONLINE;
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49 | return response;
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50 | }
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51 | clientAdapter.Update(clientInfo);
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52 | response.Success = true;
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53 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGIN_SUCCESS;
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54 |
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55 | return response;
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56 | }
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57 |
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58 | public ResponseHB SendHeartBeat(HeartBeatData hbData) {
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59 | ResponseHB response = new ResponseHB();
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60 |
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61 | response.Success = true;
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62 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_HARDBEAT_RECEIVED;
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63 | response.ActionRequest = new List<MessageContainer>();
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64 | List<Job> allOfflineJobs = new List<Job>(jobAdapter.GetJobsByState(State.offline));
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65 | if (allOfflineJobs.Count > 0 && hbData.freeCores > 0)
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66 | response.ActionRequest.Add(new MessageContainer(MessageContainer.MessageType.FetchJob));
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67 | else
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68 | response.ActionRequest.Add(new MessageContainer(MessageContainer.MessageType.NoMessage));
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69 |
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70 | return response;
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71 | }
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72 |
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73 | public ResponseJob PullJob(Guid clientId) {
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74 | ResponseJob response = new ResponseJob();
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75 | lock (this) {
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76 | LinkedList<Job> allOfflineJobs = new LinkedList<Job>(jobAdapter.GetJobsByState(State.offline));
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77 | if (allOfflineJobs != null && allOfflineJobs.Count > 0) {
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78 | Job job2Calculate = allOfflineJobs.First.Value;
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79 | job2Calculate.State = State.calculating;
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80 | response.Job = job2Calculate;
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81 | jobAdapter.Update(job2Calculate);
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82 | response.SerializedJob = PersistenceManager.SaveToGZip(new TestJob());
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83 | response.Success = true;
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84 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_JOB_PULLED;
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85 | return response;
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86 | }
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87 | }
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88 | response.Success = true;
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89 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_NO_JOBS_LEFT;
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90 | return response;
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91 | }
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92 |
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93 | public ResponseResultReceived SendJobResult(JobResult result, bool finished) {
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94 | ResponseResultReceived response = new ResponseResultReceived();
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95 | if (result.Id != 0) {
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96 | response.Success = false;
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97 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_ID_MUST_NOT_BE_SET;
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98 | return response;
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99 | }
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100 | Job job = result.Job;
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101 | if (job == null) {
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102 | response.Success = false;
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103 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_NO_JO_WITH_THIS_ID;
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104 | return response;
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105 | }
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106 | if (job.State != State.calculating) {
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107 | response.Success = false;
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108 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_WRONG_JOB_STATE;
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109 | return response;
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110 | }
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111 | if (finished) {
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112 | job.State = State.finished;
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113 | jobAdapter.Update(job);
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114 |
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115 | List<JobResult> jobResults = new List<JobResult>(jobResultAdapter.GetResultsOf(job));
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116 | foreach (JobResult currentResult in jobResults)
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117 | jobResultAdapter.Delete(currentResult);
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118 | }
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119 | jobResultAdapter.Update(result);
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120 |
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121 | response.Success = true;
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122 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_JOBRESULT_RECEIVED;
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123 | response.Job = result.Job;
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124 |
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125 | return response;
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126 | }
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127 |
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128 | public Response Logout(Guid clientId) {
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129 | Response response = new Response();
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130 |
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131 | ClientInfo client = clientAdapter.GetById(clientId);
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132 | if (client == null) {
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133 | response.Success = false;
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134 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGOUT_CLIENT_NOT_REGISTERED;
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135 | return response;
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136 | }
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137 | client.State = State.offline;
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138 | clientAdapter.Update(client);
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139 |
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140 | response.Success = true;
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141 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGOUT_SUCCESS;
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142 |
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143 | return response;
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144 | }
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145 |
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146 | #endregion
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147 | }
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148 | }
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