139 lines
2.9 KiB
C#
139 lines
2.9 KiB
C#
using System;
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using System.ServiceModel;
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using System.Threading;
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using System.Windows;
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using Aitex.Core.RT.Log;
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using Aitex.Core.Utilities;
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namespace Aitex.Core.WCF
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{
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public abstract class ServiceClientWrapper<T>
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{
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#region Variables
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private readonly ChannelFactory<T> _factory;
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private readonly string _serviceName;
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private T _proxy;
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private bool _isInError;
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private bool _isAbortByUser;
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private Retry _retryConnect = new();
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#endregion
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#region Constructors
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protected ServiceClientWrapper(string endpointConfigurationName, string name)
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{
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_serviceName = name;
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try
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{
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_factory = new ChannelFactory<T>(endpointConfigurationName);
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}
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catch (Exception ex)
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{
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MessageBox.Show("不能创建Service " + name + "，检查配置：" + endpointConfigurationName);
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LOG.Error("不能创建Service " + name + "，检查配置：" + endpointConfigurationName, ex);
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}
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}
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protected ServiceClientWrapper(string endpointConfigurationName, string name, EndpointAddress address)
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{
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_serviceName = name;
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try
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{
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_factory = new ChannelFactory<T>(endpointConfigurationName, address);
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}
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catch (Exception ex)
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{
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MessageBox.Show("不能创建Service " + name + "，检查配置：" + endpointConfigurationName);
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LOG.Error("不能创建Service " + name + "，检查配置：" + endpointConfigurationName, ex);
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}
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}
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#endregion
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#region Properties
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public bool ActionFailed => _isInError;
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#endregion
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#region Methods
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/// <summary>
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/// 执行指定的方法。
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/// </summary>
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/// <param name="action"></param>
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protected void Invoke(Action<T> action)
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{
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if (_factory == null)
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return;
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_proxy ??= _factory.CreateChannel();
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for (var i = 0; i < 2; i++)
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{
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if (Do(action))
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break;
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Thread.Sleep(10);
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}
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}
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private bool Do(Action<T> action)
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{
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if (_proxy != null && ((IClientChannel)_proxy).State == CommunicationState.Faulted)
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{
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((IClientChannel)_proxy).Abort();
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_proxy = _factory.CreateChannel();
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}
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try
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{
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action(_proxy);
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if (_isInError)
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{
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_isInError = false;
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LOG.Info(_serviceName + " 服务恢复", isTraceOn: false);
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}
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return true;
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}
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catch (EndpointNotFoundException ex)
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{
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if (!_isInError)
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{
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_isInError = true;
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LOG.Error(_serviceName + " 连接已经断开.", ex);
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}
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}
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catch (ProtocolException ex2)
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{
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if (!_isInError)
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{
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_isInError = true;
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LOG.Error(_serviceName + " 服务程序异常.", ex2);
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}
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}
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catch (Exception ex3)
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{
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if (_isAbortByUser)
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{
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_isAbortByUser = false;
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return true;
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}
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if (!_isInError)
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{
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_isInError = true;
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LOG.Error(_serviceName + " 服务异常", ex3);
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}
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}
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((IClientChannel)_proxy)?.Abort();
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_proxy = _factory.CreateChannel();
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return false;
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}
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#endregion
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}
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}
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