[4387] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 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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| 23 | using System.ServiceModel;
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| 24 | using HeuristicLab.Clients.Common.Properties;
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[4913] | 25 | using System.ServiceModel.Description;
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| 26 | using System.Collections;
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| 27 | using System.Collections.Generic;
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| 28 | using HeuristicLab.Common;
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[4387] | 29 |
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| 30 | namespace HeuristicLab.Clients.Common {
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| 31 | public static class ClientFactory {
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[4406] | 32 | public static T CreateClient<T, I>()
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[4387] | 33 | where T : ClientBase<I>, I
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| 34 | where I : class {
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| 35 | return CreateClient<T, I>(null, null);
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| 36 | }
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[4406] | 37 | public static T CreateClient<T, I>(string endpointConfigurationName)
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[4387] | 38 | where T : ClientBase<I>, I
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| 39 | where I : class {
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| 40 | return CreateClient<T, I>(endpointConfigurationName, null);
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| 41 | }
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[4406] | 42 | public static T CreateClient<T, I>(string endpointConfigurationName, string remoteAddress)
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[4387] | 43 | where T : ClientBase<I>, I
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| 44 | where I : class {
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[4913] | 45 | return CreateClient<T, I>(endpointConfigurationName, remoteAddress, Settings.Default.UserName, Settings.Default.Password);
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| 46 | }
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| 47 | public static T CreateClient<T, I>(string endpointConfigurationName, string remoteAddress, string userName, string password)
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| 48 | where T : ClientBase<I>, I
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| 49 | where I : class {
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[4387] | 50 | T client;
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| 51 | if (string.IsNullOrEmpty(endpointConfigurationName)) {
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| 52 | client = Activator.CreateInstance<T>();
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| 53 | } else {
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| 54 | client = (T)Activator.CreateInstance(typeof(T), endpointConfigurationName);
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| 55 | }
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| 56 |
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| 57 | if (!string.IsNullOrEmpty(remoteAddress)) {
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[4913] | 58 | SetEndpointAddress(client.Endpoint, remoteAddress);
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[4387] | 59 | }
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| 60 |
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[4913] | 61 | client.ClientCredentials.UserName.UserName = userName;
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| 62 | client.ClientCredentials.UserName.Password = password;
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[4387] | 63 | client.ClientCredentials.ServiceCertificate.Authentication.CertificateValidationMode = System.ServiceModel.Security.X509CertificateValidationMode.None;
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[4406] | 64 | return client;
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[4387] | 65 | }
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[4913] | 66 |
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| 67 | public static Disposable<I> CreateClient<I>(string endpointConfigurationName) where I : class {
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| 68 | return CreateClient<I>(endpointConfigurationName, null);
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| 69 | }
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| 70 | public static Disposable<I> CreateClient<I>(string endpointConfigurationName, string remoteAddress) where I : class {
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| 71 | return CreateClient<I>(endpointConfigurationName, remoteAddress, Settings.Default.UserName, Settings.Default.Password);
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| 72 | }
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| 73 | public static Disposable<I> CreateClient<I>(string endpointConfigurationName, string remoteAddress, string userName, string password) where I : class {
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| 74 | ChannelFactory<I> factory = GetChannelFactory<I>(endpointConfigurationName, userName, password);
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| 75 |
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| 76 | if (!string.IsNullOrEmpty(remoteAddress)) {
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| 77 | SetEndpointAddress(factory.Endpoint, remoteAddress);
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| 78 | }
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| 79 | Disposable<I> disposable = new Disposable<I>(factory.CreateChannel());
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| 80 | disposable.OnDisposing += new EventHandler<EventArgs<object>>(disposable_OnDisposing);
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| 81 |
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| 82 | return disposable;
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| 83 | }
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| 84 |
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| 85 | private static void disposable_OnDisposing(object sender, EventArgs<object> e) {
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| 86 | DisposeCommunicationObject((ICommunicationObject)e.Value);
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| 87 | ((Disposable)sender).OnDisposing -= new EventHandler<EventArgs<object>>(disposable_OnDisposing);
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| 88 | }
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| 89 |
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| 90 | private static IDictionary<ChannelProperties, ChannelFactory> channelFactoryCache = new Dictionary<ChannelProperties, ChannelFactory>();
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| 91 | private static ChannelFactory<I> GetChannelFactory<I>(string endpointConfigurationName, string userName, string password) where I : class {
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| 92 | ChannelProperties key = new ChannelProperties(typeof(I), endpointConfigurationName, userName, password);
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| 93 | if (!channelFactoryCache.ContainsKey(key)) {
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| 94 | channelFactoryCache.Add(key, new ChannelFactory<I>(endpointConfigurationName));
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| 95 | channelFactoryCache[key].Credentials.UserName.UserName = userName;
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| 96 | channelFactoryCache[key].Credentials.UserName.Password = password;
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| 97 | channelFactoryCache[key].Credentials.ServiceCertificate.Authentication.CertificateValidationMode = System.ServiceModel.Security.X509CertificateValidationMode.None;
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| 98 | }
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| 99 | return (ChannelFactory<I>)channelFactoryCache[key];
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| 100 | }
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| 101 |
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| 102 | public static void DisposeCommunicationObject(ICommunicationObject obj) {
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| 103 | if (obj != null) {
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| 104 | if (obj.State != CommunicationState.Faulted && obj.State != CommunicationState.Closed) {
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| 105 | try { obj.Close(); }
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| 106 | catch { obj.Abort(); }
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| 107 | } else {
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| 108 | obj.Abort();
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| 109 | }
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| 110 | }
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| 111 | }
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| 112 |
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| 113 | /// <summary>
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| 114 | /// This method changes the endpoint-address while preserving the identity-certificate defined in the config file
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| 115 | /// </summary>
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| 116 | private static void SetEndpointAddress(ServiceEndpoint endpoint, string remoteAddress) {
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| 117 | EndpointAddressBuilder endpointAddressbuilder = new EndpointAddressBuilder(endpoint.Address);
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| 118 | UriBuilder uriBuilder = new UriBuilder(endpointAddressbuilder.Uri);
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| 119 | uriBuilder.Host = remoteAddress;
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| 120 | endpointAddressbuilder.Uri = uriBuilder.Uri;
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| 121 | endpoint.Address = endpointAddressbuilder.ToEndpointAddress();
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| 122 | }
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[4387] | 123 | }
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[4913] | 124 |
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| 125 | internal struct ChannelProperties {
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| 126 | public Type type;
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| 127 | public string endpointConfigurationName;
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| 128 | public string userName;
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| 129 | public string password;
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| 130 |
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| 131 | public ChannelProperties(Type type, string endpointConfigurationName, string userName, string password) {
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| 132 | this.type = type;
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| 133 | this.endpointConfigurationName = endpointConfigurationName;
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| 134 | this.userName = userName;
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| 135 | this.password = password;
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| 136 | }
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| 137 | }
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[4387] | 138 | }
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