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source: trunk/sources/HeuristicLab.CEDMA.Server/ServerForm.cs @ 546

Last change on this file since 546 was 546, checked in by gkronber, 16 years ago

published the rdf-store as WCF service. #261 (Items are stored multiple times in the result entries in the CEDMA DB)

File size: 4.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.ComponentModel;
25using System.Data;
26using System.Drawing;
27using System.Linq;
28using System.Text;
29using System.Windows.Forms;
30using System.ServiceModel;
31using System.ServiceModel.Description;
32using HeuristicLab.PluginInfrastructure;
33using System.Net;
34using HeuristicLab.CEDMA.DB;
35using HeuristicLab.CEDMA.DB.Interfaces;
36using System.Data.Common;
37using System.Threading;
38using HeuristicLab.Grid;
39using HeuristicLab.Data;
40using HeuristicLab.Core;
41
42namespace HeuristicLab.CEDMA.Server {
43  public partial class ServerForm : Form {
44    private ServiceHost host;
45    private ServiceHost rdfHost;
46    private Database database;
47    private Store store;
48    private static readonly string dbFile = AppDomain.CurrentDomain.BaseDirectory + "/test.db3";
49    private static readonly string connectionString = "Data Source=\"" + dbFile + "\";Pooling=False";
50    private static readonly string rdfFile = AppDomain.CurrentDomain.BaseDirectory + "rdf_store.db3";
51    private static readonly string rdfConnectionString = "sqlite:rdf:Data Source=\"" + rdfFile + "\"";
52    public ServerForm() {
53      InitializeComponent();
54      // windows XP returns the external ip on index 0 while windows vista returns the external ip on index 2
55      if(System.Environment.OSVersion.Version.Major >= 6) {
56        addressTextBox.Text = "net.tcp://" + Dns.GetHostAddresses(Dns.GetHostName())[2] + ":8002/CEDMA/World";
57      } else {
58        addressTextBox.Text = "net.tcp://" + Dns.GetHostAddresses(Dns.GetHostName())[0] + ":8002/CEDMA/World";
59      }
60    }
61
62    private void InitRunScheduler() {
63      JobManager jobManager = new JobManager(gridAddress.Text);
64      jobManager.Reset();
65      RunScheduler scheduler = new RunScheduler(database, jobManager, addressTextBox.Text);
66      Thread runSchedulerThread = new Thread(scheduler.Run);
67      runSchedulerThread.Start();
68    }
69
70    private void InitDatabase() {
71      DbProviderFactory fact;
72      fact = DbProviderFactories.GetFactory("System.Data.SQLite");
73      if(!System.IO.File.Exists(dbFile)) {
74        database = new Database(connectionString);
75        database.CreateNew();
76      } else {
77        database = new Database(connectionString);
78      }
79    }
80
81    private void InitRdfStore() {
82      store = new Store(rdfConnectionString);
83    }
84
85    private void Start() {
86      InitDatabase();
87      InitRdfStore();
88      //InitRunScheduler();
89
90      host = new ServiceHost(database, new Uri(addressTextBox.Text));
91      rdfHost = new ServiceHost(store, new Uri(addressTextBox.Text+"/RdfStore"));
92      ServiceThrottlingBehavior throttlingBehavior = new ServiceThrottlingBehavior();
93      throttlingBehavior.MaxConcurrentSessions = 20;
94      host.Description.Behaviors.Add(throttlingBehavior);
95      rdfHost.Description.Behaviors.Add(throttlingBehavior);
96      try {
97        NetTcpBinding binding = new NetTcpBinding();
98        binding.MaxReceivedMessageSize = 100000000; // 100Mbytes
99        binding.ReaderQuotas.MaxStringContentLength = 100000000; // also 100M chars
100        binding.ReaderQuotas.MaxArrayLength = 100000000; // also 100M elements;
101        binding.Security.Mode = SecurityMode.None;
102
103        host.AddServiceEndpoint(typeof(IDatabase), binding, addressTextBox.Text);
104        host.Open();
105        rdfHost.AddServiceEndpoint(typeof(IStore), binding, addressTextBox.Text+"/RdfStore");
106        rdfHost.Open();
107      } catch(CommunicationException ex) {
108        MessageBox.Show("An exception occurred: " + ex.Message);
109        host.Abort();
110        rdfHost.Abort();
111      }
112    }
113
114    private void startButton_Click(object sender, EventArgs e) {
115      Start();
116      startButton.Enabled = false;
117    }
118  }
119}
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