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 |
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13 | namespace HeuristicLab.Hive.Server.Core {
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14 | /// <summary>
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15 | /// The ClientCommunicator manages the whole communication with the client
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16 | /// </summary>
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17 | public class ClientCommunicator: IClientCommunicator {
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18 | LinkedList<long> jobs;
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19 | int nrOfJobs = 1;
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20 |
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21 | IClientAdapter clientAdapter;
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22 |
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23 | public ClientCommunicator() {
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24 | clientAdapter = ServiceLocator.GetClientAdapter();
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25 |
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26 | jobs = new LinkedList<long>();
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27 | for (long i = 0; i < nrOfJobs; i++) {
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28 | jobs.AddFirst(i);
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29 | }
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30 | }
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31 |
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32 | #region IClientCommunicator Members
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33 |
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34 | public Response Login(ClientInfo clientInfo) {
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35 | Response response = new Response();
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36 | response.Success = true;
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37 |
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38 | ICollection<ClientInfo> allClients = clientAdapter.GetAllClients();
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39 | ClientInfo client = clientAdapter.GetClientById(clientInfo.ClientId);
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40 | if (client != null) {
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41 | if (client.State != State.offline) {
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42 | response.Success = false;
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43 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGIN_USER_ALLREADY_ONLINE;
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44 | }
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45 | }
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46 |
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47 | if (response.Success) {
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48 | clientAdapter.UpdateClient(clientInfo);
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49 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGIN_SUCCESS;
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50 | }
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51 |
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52 | return response;
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53 | }
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54 |
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55 | public ResponseHB SendHeartBeat(HeartBeatData hbData) {
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56 | ResponseHB response = new ResponseHB();
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57 |
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58 | response.Success = true;
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59 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_HARDBEAT_RECEIVED;
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60 | response.ActionRequest = new List<MessageContainer>();
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61 | if (jobs.Count > 0)
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62 | response.ActionRequest.Add(new MessageContainer(MessageContainer.MessageType.FetchJob));
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63 | else
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64 | response.ActionRequest.Add(new MessageContainer(MessageContainer.MessageType.NoMessage));
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65 |
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66 | return response;
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67 | }
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68 |
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69 | public ResponseJob PullJob(Guid clientId) {
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70 | ResponseJob response = new ResponseJob();
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71 | lock (this) {
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72 | if (jobs.Last != null) {
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73 | response.JobId = jobs.Last.Value;
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74 | jobs.RemoveLast();
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75 | response.SerializedJob = PersistenceManager.SaveToGZip(new TestJob());
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76 | response.Success = true;
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77 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_JOB_PULLED;
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78 | return response;
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79 | }
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80 | }
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81 | response.Success = true;
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82 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_NO_JOBS_LEFT;
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83 | return response;
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84 | }
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85 |
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86 | public ResponseResultReceived SendJobResult(JobResult Result, bool finished) {
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87 | ResponseResultReceived response = new ResponseResultReceived();
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88 | response.Success = true;
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89 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_JOBRESULT_RECEIVED;
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90 | response.JobId = Result.JobId;
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91 |
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92 | return response;
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93 | }
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94 |
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95 | public Response Logout(Guid clientId) {
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96 | Response response = new Response();
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97 |
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98 | ClientInfo client = clientAdapter.GetClientById(clientId);
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99 | if (client == null) {
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100 | response.Success = false;
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101 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGOUT_CLIENT_NOT_REGISTERED;
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102 | return response;
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103 | }
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104 | client.State = State.offline;
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105 | clientAdapter.UpdateClient(client);
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106 |
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107 | response.Success = true;
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108 | response.StatusMessage = ApplicationConstants.RESPONSE_COMMUNICATOR_LOGOUT_SUCCESS;
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109 |
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110 | return response;
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111 | }
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112 |
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113 | #endregion
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114 | }
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115 | }
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