[6983] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16140] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[6983] | 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.Collections.Generic;
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| 24 | using System.Threading;
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| 25 | using HeuristicLab.Clients.Hive.SlaveCore.Properties;
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| 26 |
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| 27 | namespace HeuristicLab.Clients.Hive.SlaveCore {
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| 28 | /// <summary>
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| 29 | /// Heartbeat Manager sends every x ms a heartbeat to the server and receives a message.
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| 30 | /// The message is added to the MessageQueue from where the Core pulls them and decides what to do.
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| 31 | /// </summary>
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| 32 | public class HeartbeatManager {
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| 33 | private static object locker = new object();
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| 34 | private TimeSpan interval;
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| 35 |
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| 36 | public TimeSpan Interval {
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| 37 | get { return interval; }
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| 38 | set {
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| 39 | interval = value;
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| 40 | Settings.Default.HeartbeatInterval = interval;
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| 41 | Settings.Default.Save();
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| 42 | }
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| 43 | }
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| 44 | private Thread heartBeatThread;
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| 45 | private AutoResetEvent waitHandle;
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| 46 | private WcfService wcfService;
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| 47 | private bool threadStopped;
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| 48 |
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| 49 | public HeartbeatManager() {
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| 50 | interval = Settings.Default.HeartbeatInterval;
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| 51 | }
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| 52 |
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| 53 | /// <summary>
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| 54 | /// Starts the Heartbeat signal.
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| 55 | /// </summary>
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| 56 | public void StartHeartbeat() {
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| 57 | this.waitHandle = new AutoResetEvent(true);
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| 58 | wcfService = WcfService.Instance;
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| 59 | threadStopped = false;
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| 60 | heartBeatThread = new Thread(RunHeartBeatThread);
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| 61 | heartBeatThread.Start();
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| 62 | }
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| 63 |
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| 64 | /// <summary>
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| 65 | /// Stop the heartbeat
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| 66 | /// </summary>
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| 67 | public void StopHeartBeat() {
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| 68 | threadStopped = true;
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| 69 | waitHandle.Set();
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| 70 | heartBeatThread.Join();
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[9347] | 71 | waitHandle.Close();
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[6983] | 72 | }
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| 73 |
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| 74 | /// <summary>
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| 75 | /// use this method to singalize there is work to do (to avoid the waiting period if its clear that actions are required)
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| 76 | /// </summary>
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| 77 | public void AwakeHeartBeatThread() {
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| 78 | if (!threadStopped)
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| 79 | waitHandle.Set();
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| 80 | }
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| 81 |
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| 82 | private void RunHeartBeatThread() {
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| 83 | while (!threadStopped) {
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[7166] | 84 | try {
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[7171] | 85 | SlaveClientCom.Instance.StatusChanged(ConfigManager.Instance.GetStatusForClientConsole());
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[7166] | 86 | }
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| 87 | catch (Exception ex) {
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| 88 | EventLogManager.LogMessage("Couldn't sent status information to client ui. Exception is: " + Environment.NewLine + ex.ToString());
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| 89 | }
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[6983] | 90 |
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| 91 | try {
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| 92 | lock (locker) {
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| 93 | if (wcfService.ConnState != NetworkEnum.WcfConnState.Connected) {
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| 94 | // login happens automatically upon successfull connection
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| 95 | wcfService.Connect(ConfigManager.Instance.GetClientInfo());
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| 96 | SlaveStatusInfo.LoginTime = DateTime.Now;
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| 97 | }
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| 98 | if (wcfService.ConnState == NetworkEnum.WcfConnState.Connected) {
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| 99 | Slave info = ConfigManager.Instance.GetClientInfo();
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| 100 |
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| 101 | Heartbeat heartBeatData = new Heartbeat {
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| 102 | SlaveId = info.Id,
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| 103 | FreeCores = info.Cores.HasValue ? info.Cores.Value - SlaveStatusInfo.UsedCores : 0,
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| 104 | FreeMemory = ConfigManager.Instance.GetFreeMemory(),
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| 105 | CpuUtilization = ConfigManager.Instance.GetCpuUtilization(),
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| 106 | JobProgress = ConfigManager.Instance.GetExecutionTimeOfAllJobs(),
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| 107 | AssignJob = !ConfigManager.Instance.Asleep,
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| 108 | HbInterval = (int)interval.TotalSeconds
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| 109 | };
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| 110 |
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[7171] | 111 | SlaveClientCom.Instance.LogMessage("Send HB: " + heartBeatData);
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[6983] | 112 | List<MessageContainer> msgs = wcfService.SendHeartbeat(heartBeatData);
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| 113 |
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| 114 | if (msgs == null) {
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[7171] | 115 | SlaveClientCom.Instance.LogMessage("Error getting response from HB");
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[6983] | 116 | } else {
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[7171] | 117 | SlaveClientCom.Instance.LogMessage("HB Response received (" + msgs.Count + "): ");
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| 118 | msgs.ForEach(mc => SlaveClientCom.Instance.LogMessage(mc.Message.ToString()));
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[6983] | 119 | msgs.ForEach(mc => MessageQueue.GetInstance().AddMessage(mc));
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| 120 | }
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| 121 | }
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| 122 | }
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| 123 | }
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| 124 | catch (Exception e) {
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[7171] | 125 | SlaveClientCom.Instance.LogMessage("Heartbeat thread failed: " + e.ToString());
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[6983] | 126 | }
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| 127 | waitHandle.WaitOne(this.interval);
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| 128 | }
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[7171] | 129 | SlaveClientCom.Instance.LogMessage("Heartbeat thread stopped");
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[6983] | 130 | }
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| 131 | }
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| 132 | }
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