.NET Remoting 入门实例

1.创建服务端Class：ProxyServerRemoting

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Text;
 4 using Inscription.Manadal.EmrPlugIn.NetMessage;
 5 using NLog;
 6 using Inscription.Manadal.EmrPlugIn;
 7 using System.ComponentModel;
 8 using System.Runtime.Remoting;
 9 using System.Runtime.Remoting.Channels.Tcp;
10 using System.Runtime.Remoting.Channels;
11
12 namespace Inscription.Mandala.EmrPlugIn.ProxyServer
13 {
14     public class ProxyServerRemoting
15     {
16         // 监听端口
17         private static int port;
18         // 单例对象
19         private static ProxyServerRemoting Instance = null;
20         // 后台工作线程对象
21         private BackgroundWorker backWork = null;
22         //定义服务端监听信道
23         private static TcpServerChannel tcpServerChannel = null;
24
25         private ProxyServerRemoting()
26         {
27             //创建后台工作对象（线程）
28             backWork = new BackgroundWorker();
29             //绑定DoWork事件程序
30             backWork.DoWork += new DoWorkEventHandler(backWork_DoWork);
31             //开始执行后台操作
32             backWork.RunWorkerAsync();
33         }
34
35         /// <summary>
36         /// 后台线程
37         /// </summary>
38         /// <param name="sender"></param>
39         /// <param name="e"></param>
40         private void backWork_DoWork(object sender, DoWorkEventArgs e)
41         {
42             StartServer();
43         }
44
45         /// <summary>
46         /// 单例实现
47         /// </summary>
48         /// <returns></returns>
49         public static ProxyServerRemoting getInstance(int Port)
50         {
51             if (Instance == null)
52             {
53                 Instance = new ProxyServerRemoting();
54                 tcpServerChannel = new TcpServerChannel(port);
55                 port = Port;
56             }
57             return Instance;
58         }
59
60         /// <summary>
61         /// 启动服务
62         /// </summary>
63         public void StartServer()
64         {
65             ChannelServices.RegisterChannel(tcpServerChannel, false);
66
67             RemotingConfiguration.RegisterWellKnownServiceType(typeof(epiManagerV2), "GetEmrPlugInFunctionV3", WellKnownObjectMode.Singleton);
68         }
69
70         /// <summary>
71         /// 停止服务
72         /// </summary>
73         public void StopServer()
74         {
75             ChannelServices.UnregisterChannel(tcpServerChannel);
76         }
77     }
78 }

2.创建客户端调用Class：ProxyClient

客户端每次调用完成以后，需要注销掉当前信道，ChannelServices.UnregisterChannel(tcpChannel);

不然会发生异常：信道tcp已注册

using System;
using System.Collections.Generic;
using System.Text;
using NLog;
using System.Runtime.Remoting.Channels.Tcp;
using System.Diagnostics;
using System.Configuration;
using System.Reflection;
using System.Runtime.Remoting.Channels;
using Inscription.Manadal.EmrPlugIn;namespace Inscription.Mandala.EmrPlugIn.ProxyClient
{public static class ProxyClient{/// <summary>/// 获取基于函数的外部接口/// </summary>/// <param name="MainName"></param>/// <param name="ConfigInfo"></param>/// <param name="worker"></param>/// <param name="patientIndex"></param>/// <returns></returns>public static string GetEmrPlugInFunctionV3(string MainName, string ConfigInfo, string strWorker, string strPatientIndex, string CommandKey, string strParamLst){TcpChannel tcpChannel = null;Logger logger = NLogManagerV2.GetLogger("GetEmrPlugInFunctionV3_Client");try{logger.Trace("判断服务端进程是否存在");string strAppName = "IMPIProxyServer";Process[] curProcesses = Process.GetProcesses();bool isExist = false;foreach (Process p in curProcesses){if (p.ProcessName == strAppName){isExist = true;logger.Trace("服务端进程存在");break;}}if (isExist == false){logger.Trace("服务端进程不存在");Process.Start(strAppName);logger.Trace("重新启动服务端进程");}//int port = 3399;string ip = ConfigurationManager.AppSettings["ServerIP"];int port = Convert.ToInt32(ConfigurationManager.AppSettings["ServerPort"]);logger.Trace("监听IP：" + ip + "    监听端口" + port);//使用TCP通道得到远程对象tcpChannel = new TcpChannel();ChannelServices.RegisterChannel(tcpChannel, false);IepiManagerV2 manager = (IepiManagerV2)Activator.GetObject(typeof(IepiManagerV2), string.Format("tcp://{0}:{1}/GetEmrPlugInFunctionV3", ip, port));logger.Trace("取得.Net Remoting对象成功");string strReturn = manager.GetEmrPlugInFunctionV3(MainName, ConfigInfo, strWorker, strPatientIndex, CommandKey, strParamLst);logger.Trace("客户端调用结束");return strReturn;}catch (Exception ex){logger.Trace(ex.Message);return string.Empty;}finally{ChannelServices.UnregisterChannel(tcpChannel);}}}
}

3.业务类：epiManagerV2

业务类实现了IepiManagerV2接口，其中客户端也链接引用了IepiManagerV2接口文件，这样客户端就摆脱了对具体业务Dll的依赖，

客户端编译成一个单独的dll可被第三方程序调用。

public class epiManagerV2 :  MarshalByRefObject,IepiManagerV2
{/// <summary>/// 获取基于函数的外部接口/// </summary>/// <param name="MainName"></param>/// <param name="ConfigInfo"></param>/// <param name="worker"></param>/// <param name="patientIndex"></param>/// <returns></returns>public string GetEmrPlugInFunctionV3(string MainName, string ConfigInfo, string strWorker, string strPatientIndex, string CommandKey, string strParamLst){实现略}
}

IepiManagerV2接口类

using System;
namespace Inscription.Manadal.EmrPlugIn
{interface IepiManagerV2{string GetEmrPlugInFunctionV3(string MainName, string ConfigInfo, string strWorker, string strPatientIndex, string CommandKey, string strParamLst);}
}

4.服务端管理工具

实现启动服务，暂停服务，开机自动运行功能

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net.Sockets;
using System.Threading;
using System.Configuration;
using Microsoft.Win32;
using System.IO;namespace Inscription.Mandala.EmrPlugIn.ProxyServer
{public partial class frmMainServer : Form{private ProxyServerRemoting Instance = null;string ip = "127.0.0.1";int port = 3399;public frmMainServer(){InitializeComponent();}/// <summary>/// 初始化/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void frmMain_Load(object sender, EventArgs e){InitForm();StartServer();}private void InitForm(){this.ip = ConfigurationManager.AppSettings["ServerIp"];this.port = Convert.ToInt32(ConfigurationManager.AppSettings["ServerPort"]);}/// <summary>/// 打开服务端/// </summary>private void StartServer(){try{Instance = ProxyServerRemoting.getInstance(port);Instance.StartServer();btnStart.Enabled = false;btnStop.Enabled = true;lblStatus.Text = "服务正在运行";}catch(Exception ex){MessageBox.Show(ex.Message);}}/// <summary>/// 关闭服务/// </summary>private void StopServer(){try{Instance.StopServer();btnStart.Enabled = true;btnStop.Enabled = false;lblStatus.Text = "服务已关闭";}catch (Exception ex){MessageBox.Show(ex.Message);}}/// <summary>/// 窗口显示/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void frmMainServer_Shown(object sender, EventArgs e){this.Hide();}/// <summary>/// 启动/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnStart_Click(object sender, System.EventArgs e){StartServer();}/// <summary>/// 暂停服务器/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void tsbStop_Click(object sender, EventArgs e){StopServer();}/// <summary>/// 关闭/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void frmMainServer_FormClosing(object sender, System.ComponentModel.CancelEventArgs e){Instance.StopServer();}/// <summary>/// 菜单命令/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void contextMenuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e){switch (e.ClickedItem.Text){case "打开":this.Show();break;case "隐藏":this.Hide();break;case "关闭":Instance.StopServer();this.Close();break;}}/// <summary>/// 工具栏事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void toolStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e){switch (e.ClickedItem.Name){case "tsbAutoRun":SetAutoRun(Core.App.fullPath, true);break;case "tsbAutoRunCancel":SetAutoRun(Core.App.fullPath, false);break;}}private void notifyIcon1_DoubleClick(object sender, EventArgs e){this.Show();}/// <summary>/// 设置应用程序开机自动运行/// </summary>/// <param name="fileName">应用程序的文件名</param>/// <param name="isAutoRun">是否自动运行，为false时，取消自动运行</param>/// <exception cref="System.Exception">设置不成功时抛出异常</exception>private static void SetAutoRun(string fileName, bool isAutoRun){RegistryKey reg = null;try{String name = fileName.Substring(fileName.LastIndexOf(@"\") + 1);reg = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run", true);if (reg == null)reg = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");if (isAutoRun)reg.SetValue(name, fileName);elsereg.SetValue(name, false);}catch (Exception ex){MessageBox.Show(ex.Message);}finally{if (reg != null)reg.Close();}}public static void Test(){frmMainServer f = new frmMainServer();f.Show();}}
}

转载于:https://www.cnblogs.com/linuxjava01/p/3731766.html

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