知识大全让.NET Remoting更快些－IPCChannel

Posted 2022-07-17 知

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　　IPCChannel是 NET Framework 里面新增的它使用 Windows 进程间通信（IPC）系统在同一计算机上的应用程序域之间传输消息在同一计算机上的应用程序域之间进行通信时 IPC 信道比 TCP 或 HTTP 信道要快得多但是IPC只在本机应用之间通信所以在客户端和服务端在同一台机器时我们可以通过注册IPCChannel来提高Remoting的性能但如果客户端和服务端不在同一台机器时我们不能注册IPCChannel

　　下面让我们来看看如何使用IPCChannel

　　首先我们定义一个RemotingObject类

　　using System; // 远程对象 public class RemoteObject : MarshalByRefObject private int callCount = ; public int GetCount() Console WriteLine( GetCount has been called ); callCount++; return(callCount);

　　接下来我们编写服务端代码

　　using System; using System Runtime Remoting Channels Ipc; using System Security Permissions; public class Server [SecurityPermission(SecurityAction Demand)] public static void Main(string[] args) // 创建一个IPC信道 IpcChannel serverChannel = new IpcChannel( TestChannel ); // 注册这个IPC信道 System Runtime Remoting Channels ChannelServices RegisterChannel(serverChannel); // 打印这个信道的名称 Console WriteLine( The name of the channel is serverChannel ChannelName); // 打印这个信道的优先级 Console WriteLine( The priority of the channel is serverChannel ChannelPriority); // 打印这个信道的URI数组 System Runtime Remoting Channels ChannelDataStore channelData =(System Runtime Remoting Channels ChannelDataStore) serverChannel ChannelData; foreach (string uri in channelData ChannelUris) Console WriteLine( The channel URI is uri); // 向信道暴露一个远程对象 System Runtime Remoting RemotingConfiguration RegisterWellKnownServiceType(typeof(RemoteObject) RemoteObject rem System Runtime Remoting WellKnownObjectMode Singleton); Console WriteLine( Press ENTER to exit the server ); Console ReadLine(); Console WriteLine( The server is exiting );

　　客户端代码

　　using System; using System Runtime Remoting Channels Ipc; using System Security Permissions; public class Client [SecurityPermission(SecurityAction Demand)] public static void Main(string[] args) // 创建一个IPC信道 IpcChannel channel = new IpcChannel(); // 注册这个信道 System Runtime Remoting Channels ChannelServices RegisterChannel(channel); // 注册一个远程对象的客户端代理 System Runtime Remoting WellKnownClientTypeEntry remoteType = new System Runtime Remoting WellKnownClientTypeEntry(typeof(RemoteObject) ipc://TestChannel/RemoteObject rem ); System Runtime Remoting RemotingConfiguration RegisterWellKnownClientType(remoteType); RemoteObject service = new RemoteObject(); Console WriteLine( The client is invoking the remote object ); Console WriteLine( The remote object has been called times service GetCount());

　　主要代码就算完成了但还有一个问题那就是如果服务端和客户端在不同的Windows帐户运行的时候会有验证权限的问题对于这个问题我们只要把服务端的信道注册代码改一下就好了

　　Hashtable ht = new Hashtable(); ht[ portName ] = TestChannel ; ht[ name ] = ipc ; ht[ authorizedGroup ] = Everyone ; serverChannel= new IpcChannel(ht null provider);

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知识大全 让.NET Remoting更快些－IPCChannel

知识大全让.NET Remoting更快些－IPCChannel