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16.4.2 简单的服务器
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16.4.2 简单的服务器
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2006-10-13 14:41:00
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<h1 id="divCurrentNode" style="color: #b83507; width: 100%; text-align: left; font-size: 12px; padding-left: 2px">当前章节:<a href='100165468.htm'><font color='red'>16.4.2 简单的服务器</font></a></h1>
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<div style='float:left;width:49%'>·<a href='100165465.htm'>16.3.3 环境之间的通信</a></div><div style='float:right;width:49%'>·<a href='100165466.htm'>16.4 远程对象、客户机和服务器</a></div><div style='float:left;width:49%'>·<a href='100165467.htm'>16.4.1 远程对象</a></div><div style='float:right;width:49%'>·<a href='100165469.htm'>16.4.3 简单的客户机</a></div><div style='float:left;width:49%'>·<a href='100165470.htm'>16.5 .NET Remoting体系结构</a></div><div style='float:right;width:49%'>·<a href='100165471.htm'>16.5.1 信道</a></div></div>
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<div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 0cm; MARGIN-RIGHT: 0cm; FTEL: 8.15pt"><a ftel="_Toc507815552"><span lang="EN-US" style="COLOR: black">16.4.2 </span></a><span style="COLOR: black; FONT-FAMILY: 黑体">简单的服务器</span></h3>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">对于服务器，创建一个</span><span lang="EN-US">C#</span><span style="FONT-FAMILY: 宋体">控制台应用程序</span><span lang="EN-US">HelloServer</span><span style="FONT-FAMILY: 宋体">。为了使用</span><span lang="EN-US">TcpServerChannel</span><span style="FONT-FAMILY: 宋体">类，必须引用</span> <span lang="EN-US" style="LETTER-SPACING: -0.1pt">System.Runtime.Remoting</span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: -0.1pt">程序集。此外，还需要引用前面创建的</span><span lang="EN-US" style="LETTER-SPACING: -0.1pt">RemoteHello</span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: -0.1pt">程序集</span><span style="FONT-FAMILY: 宋体">。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">在</span><span lang="EN-US">Main()</span><span style="FONT-FAMILY: 宋体">方法中，用端口号</span><span lang="EN-US">8086</span><span style="FONT-FAMILY: 宋体">创建一个</span><span lang="EN-US">System.Runtime.Remoting.Channels.Tcp.Tcp ServerChannel</span><span style="FONT-FAMILY: 宋体">类型的对象。该信道使用类</span><span lang="EN-US">System.Runtime.Remoting.Channels.ChannelServices </span><span style="FONT-FAMILY: 宋体">注册，使之可用于远程对象。远程对象类型用</span><span lang="EN-US">System.Runtime.Remoting.RemotingConfiguration. RegisterWellKnownServiceType</span><span style="FONT-FAMILY: 宋体">注册，这里指定远程对象的类型、客户机所使用的</span><span lang="EN-US">URI</span><span style="FONT-FAMILY: 宋体">和模式。</span><span lang="EN-US">WellKnownObject.SingleCall</span><span style="FONT-FAMILY: 宋体">模式说明为每一个方法调用创建一个新的实例，我们不保存远程对象中的状态。</span></p>
<p class="a3" style="MARGIN-TOP: 8.15pt; FTEL: 21.45pt"><span style="FONT-FAMILY: 黑体">注意：</span></p>
<p class="a1" style="FTEL: 21.45pt"><span lang="EN-US">.NET Remoting</span><span style="FONT-FAMILY: 楷体_GB2312">允许创建无状态和有状态的远程对象。在第一个例子中，我们使用了已知的单调用</span><span lang="EN-US">(single-call)</span><span style="FONT-FAMILY: 楷体_GB2312">对象，它不保存状态。另一个对象类型称为客户机激活的对象，这种对象保存状态。本章的后面在介绍对象的激活顺序时，将详细论述它们的区别，以及如何使用这些对象类型。</span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体">在远程对象注册之后，使服务器一直处于运行状态，直到按任意键为止：</span></p>
<p class="2" style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><a ftel="OLE_LINK2"><span lang="EN-US">using System;</span></a></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US">using System.Runtime.Remoting;</span><span class="MsoCommentReference"><span lang="EN-US" style="DISPLAY: none; FONT-SIZE: 8pt; FONT-FAMILY: 'Baskerville BE Regular'; LETTER-SPACING: 0.2pt"> </span></span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US">using System.Runtime.Remoting.Channels;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US">using System.Runtime.Remoting.Channels.Tcp;</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> </span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US">namespace Wrox.ProCSharp.Remoting</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US">{</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> public class HelloServer</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> public static void Main(string[] args)</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> {</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> TcpServerChannel channel = new TcpServerChannel(8086);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> ChannelServices.RegisterChannel(channel);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> RemotingConfiguration.RegisterWellKnownServiceType(</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> typeof(Hello), "Hi",</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> WellKnownObjectMode.SingleCall);</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> System.Console.WriteLine("press return to exit");</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> System.Console.ReadLine();</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> }</span></p>
<p class="2" style="MARGIN-LEFT: 21.45pt; FTEL: 18.45pt"><span lang="EN-US"> }</span></p>
<p class="2" style="MARGIN-TOP: 0cm; MARGIN-LEFT: 21.45pt; MARGIN-RIGHT: 0cm; FTEL: 18.45pt"><span lang="EN-US">}</span></p></div>
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<div style='float:left;width:49%'>·<a href='100165465.htm'>16.3.3 环境之间的通信</a></div><div style='float:right;width:49%'>·<a href='100165466.htm'>16.4 远程对象、客户机和服务器</a></div><div style='float:left;width:49%'>·<a href='100165467.htm'>16.4.1 远程对象</a></div><div style='float:right;width:49%'>·<a href='100165469.htm'>16.4.3 简单的客户机</a></div><div style='float:left;width:49%'>·<a href='100165470.htm'>16.5 .NET Remoting体系结构</a></div><div style='float:right;width:49%'>·<a href='100165471.htm'>16.5.1 信道</a></div></div>
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