source: branches/OaaS/HeuristicLab.Services.Hive.WebRole/WebRole.cs @ 12092

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Threading;
using Microsoft.WindowsAzure.Diagnostics;
using Microsoft.WindowsAzure.ServiceRuntime;
using System.Diagnostics;

namespace HeuristicLab.Services.Hive.WebRole {
  public class WebRole : RoleEntryPoint {
    private HiveJanitor janitor;
    private Thread janitorThread;

    public override bool OnStart() {
      Trace.WriteLine("Starting Janitor Service...");
      try {
        DiagnosticMonitorConfiguration diagnosticConfig = DiagnosticMonitor.GetDefaultInitialConfiguration();
        /*diagnosticConfig.Directories.ScheduledTransferPeriod = TimeSpan.FromMinutes(1);
        diagnosticConfig.Directories.DataSources.Add(AzureLocalStorageTraceListener.GetLogDirectory());*/
        diagnosticConfig.Logs.ScheduledTransferPeriod = TimeSpan.FromMinutes(1);
        diagnosticConfig.Logs.ScheduledTransferLogLevelFilter = LogLevel.Verbose;
        diagnosticConfig.WindowsEventLog.ScheduledTransferPeriod = TimeSpan.FromMinutes(1);
        diagnosticConfig.WindowsEventLog.ScheduledTransferLogLevelFilter = LogLevel.Verbose;
        DiagnosticMonitor.Start("Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString", diagnosticConfig);
      }
      catch (Exception e) {
        Trace.WriteLine("Error during diagnostic configuration: " + e.Message);
      }

      // To enable the AzureLocalStorageTraceListner, uncomment relevent section in the web.config  
      
      Trace.WriteLine("Loading diagnostic configuration...");
      
      // For information on handling configuration changes
      // see the MSDN topic at http://go.microsoft.com/fwlink/?LinkId=166357.

      // Start Janitorn Service:
      Trace.WriteLine("Starting HiveJanitor...");
      try {
        janitor = new HiveJanitor();
        janitorThread = new Thread(janitor.Run);
        janitorThread.IsBackground = true; //dont keep app alive
        janitorThread.Start();
      }
      catch (Exception e) {
        Trace.WriteLine("Error during janitor startup: " + e.Message);
      }
      Trace.WriteLine("Startup completed...");
      return base.OnStart();
    }

    public override void OnStop() {
      janitor.StopJanitor();
      janitorThread.Join();
      base.OnStop();
    }
  }
}