[735] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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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[714] | 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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| 25 | using System.Text;
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[768] | 26 | using HeuristicLab.Hive.Client.ExecutionEngine;
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[735] | 27 | using HeuristicLab.Hive.Client.Common;
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[768] | 28 | using System.Threading;
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[770] | 29 | using System.Reflection;
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| 30 | using System.Diagnostics;
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| 31 | using System.Security.Permissions;
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| 32 | using System.Security.Policy;
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| 33 | using System.Security;
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[790] | 34 | using HeuristicLab.Hive.Client.Communication;
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[793] | 35 | using HeuristicLab.Hive.Contracts.BusinessObjects;
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| 36 | using HeuristicLab.Hive.Contracts;
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[804] | 37 | using System.Runtime.Remoting.Messaging;
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[816] | 38 | using HeuristicLab.PluginInfrastructure;
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[843] | 39 | using System.ServiceModel;
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| 40 | using HeuristicLab.Hive.Client.Communication.Interfaces;
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| 41 | using System.ServiceModel.Description;
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[714] | 42 |
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[768] | 43 |
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[714] | 44 | namespace HeuristicLab.Hive.Client.Core {
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| 45 | public class Core {
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[768] | 46 |
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[804] | 47 | public delegate string GetASnapshotDelegate();
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| 48 |
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[768] | 49 | Dictionary<long, Executor> engines = new Dictionary<long, Executor>();
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[770] | 50 | Dictionary<long, AppDomain> appDomains = new Dictionary<long, AppDomain>();
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| 51 |
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[798] | 52 | private ClientCommunicatorClient clientCommunicator;
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| 53 |
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[790] | 54 | public void Start() {
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[882] | 55 | /*DiscoveryService discService =
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[843] | 56 | new DiscoveryService();
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| 57 | IClientConsoleCommunicator[] clientCommunicatorInstances =
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| 58 | discService.GetInstances<IClientConsoleCommunicator>();
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| 59 |
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| 60 | if (clientCommunicatorInstances.Length > 0) {
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| 61 | ServiceHost serviceHost =
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| 62 | new ServiceHost(clientCommunicatorInstances[0].GetType(),
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| 63 | new Uri("http://localhost:9000/ClientConsole"));
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| 64 |
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| 65 | System.ServiceModel.Channels.Binding binding =
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| 66 | new NetNamedPipeBinding();
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| 67 |
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| 68 | serviceHost.AddServiceEndpoint(
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| 69 | typeof(IClientConsoleCommunicator),
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| 70 | binding,
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| 71 | "ClientConsoleCommunicator");
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| 72 |
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| 73 | ServiceMetadataBehavior behavior =
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| 74 | new ServiceMetadataBehavior();
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| 75 | serviceHost.Description.Behaviors.Add(behavior);
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| 76 |
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| 77 | serviceHost.AddServiceEndpoint(
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| 78 | typeof(IMetadataExchange),
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| 79 | MetadataExchangeBindings.CreateMexNamedPipeBinding(),
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| 80 | "mex");
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| 81 |
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| 82 | serviceHost.Open();
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[882] | 83 | }*/
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[843] | 84 |
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[798] | 85 | clientCommunicator = ServiceLocator.GetClientCommunicator();
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[790] | 86 | clientCommunicator.LoginCompleted += new EventHandler<LoginCompletedEventArgs>(ClientCommunicator_LoginCompleted);
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[808] | 87 | clientCommunicator.PullJobCompleted += new EventHandler<PullJobCompletedEventArgs>(ClientCommunicator_PullJobCompleted);
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[830] | 88 | clientCommunicator.SendJobResultCompleted += new EventHandler<SendJobResultCompletedEventArgs>(ClientCommunicator_SendJobResultCompleted);
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[882] | 89 | //clientCommunicator.LoginAsync(ConfigurationManager.GetInstance().GetClientInfo());
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[790] | 90 |
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[886] | 91 | Heartbeat beat = new Heartbeat { Interval = 30000 };
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[841] | 92 | beat.StartHeartbeat();
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| 93 |
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[735] | 94 | MessageQueue queue = MessageQueue.GetInstance();
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| 95 | while (true) {
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| 96 | MessageContainer container = queue.GetMessage();
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[779] | 97 | Debug.WriteLine("Main loop received this message: " + container.Message.ToString());
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[790] | 98 | Logging.GetInstance().Info(this.ToString(), container.Message.ToString());
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[768] | 99 | DetermineAction(container);
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[735] | 100 | }
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| 101 | }
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[768] | 102 |
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[798] | 103 | void ClientCommunicator_LoginCompleted(object sender, LoginCompletedEventArgs e) {
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[790] | 104 | if (e.Result.Success) {
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| 105 | Logging.GetInstance().Info(this.ToString(), "Login completed to Hive Server @ " + DateTime.Now);
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[841] | 106 | ConfigurationManager.GetInstance().Loggedin();
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[790] | 107 | Status.LoginTime = DateTime.Now;
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| 108 | Status.LoggedIn = true;
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| 109 | } else
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| 110 | Logging.GetInstance().Error(this.ToString(), e.Result.StatusMessage);
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| 111 | }
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| 112 |
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[768] | 113 | private void DetermineAction(MessageContainer container) {
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[779] | 114 | switch (container.Message) {
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| 115 | case MessageContainer.MessageType.AbortJob:
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| 116 | engines[container.JobId].Abort();
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| 117 | break;
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| 118 | case MessageContainer.MessageType.JobAborted:
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| 119 | Debug.WriteLine("-- Job Aborted Message received");
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| 120 | break;
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[790] | 121 |
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[779] | 122 | case MessageContainer.MessageType.RequestSnapshot:
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| 123 | engines[container.JobId].RequestSnapshot();
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| 124 | break;
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| 125 | case MessageContainer.MessageType.SnapshotReady:
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[811] | 126 | Thread ssr = new Thread(new ParameterizedThreadStart(GetSnapshot));
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| 127 | ssr.Start(container.JobId);
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[779] | 128 | break;
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[790] | 129 |
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[811] | 130 | case MessageContainer.MessageType.FetchJob:
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[798] | 131 | clientCommunicator.PullJobAsync(Guid.NewGuid());
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[811] | 132 | break;
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[779] | 133 | case MessageContainer.MessageType.FinishedJob:
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[811] | 134 | Thread finThread = new Thread(new ParameterizedThreadStart(GetFinishedJob));
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| 135 | finThread.Start(container.JobId);
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| 136 | break;
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[779] | 137 | }
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| 138 | }
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[790] | 139 |
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[811] | 140 | private void GetFinishedJob(object jobId) {
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| 141 | long jId = (long)jobId;
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[830] | 142 | byte[] sJob = engines[jId].GetFinishedJob();
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[816] | 143 |
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[841] | 144 | JobResult jobResult = new JobResult { JobId = jId, Result = sJob, Client = ConfigurationManager.GetInstance().GetClientInfo() };
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[830] | 145 | clientCommunicator.SendJobResultAsync(jobResult, true);
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[804] | 146 | }
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| 147 |
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[811] | 148 | private void GetSnapshot(object jobId) {
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| 149 | long jId = (long)jobId;
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[816] | 150 | byte[] obj = engines[jId].GetSnapshot();
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[811] | 151 | }
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| 152 |
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[798] | 153 | void ClientCommunicator_PullJobCompleted(object sender, PullJobCompletedEventArgs e) {
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| 154 | bool sandboxed = false;
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| 155 |
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[886] | 156 | PluginManager.Manager.Initialize();
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| 157 | AppDomain appDomain = PluginManager.Manager.CreateAndInitAppDomainWithSandbox(e.Result.JobId.ToString(), sandboxed, typeof(TestJob));
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[882] | 158 |
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[830] | 159 | appDomains.Add(e.Result.JobId, appDomain);
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[798] | 160 |
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| 161 | Executor engine = (Executor)appDomain.CreateInstanceAndUnwrap(typeof(Executor).Assembly.GetName().Name, typeof(Executor).FullName);
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[830] | 162 | engine.JobId = e.Result.JobId;
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[798] | 163 | engine.Queue = MessageQueue.GetInstance();
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[830] | 164 | engine.Start(e.Result.SerializedJob);
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| 165 | engines.Add(e.Result.JobId, engine);
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[798] | 166 |
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| 167 | Status.CurrentJobs++;
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| 168 |
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| 169 | Debug.WriteLine("Increment CurrentJobs to:"+Status.CurrentJobs.ToString());
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| 170 | }
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| 171 |
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[840] | 172 | void ClientCommunicator_SendJobResultCompleted(object sender, SendJobResultCompletedEventArgs e) {
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| 173 | if (e.Result.Success) {
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| 174 | AppDomain.Unload(appDomains[e.Result.JobId]);
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| 175 | appDomains.Remove(e.Result.JobId);
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| 176 | engines.Remove(e.Result.JobId);
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| 177 | Status.CurrentJobs--;
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| 178 | Debug.WriteLine("Decrement CurrentJobs to:" + Status.CurrentJobs.ToString());
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| 179 | } else {
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| 180 | Debug.WriteLine("Job sending FAILED!");
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| 181 | }
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[779] | 182 | }
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[714] | 183 | }
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| 184 | }
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