LifetimeServices 类

  • 参考

定义

命名空间:
System.Runtime.Remoting.Lifetime
程序集:
mscorlib.dll

控制 .NET 远程处理生存期服务。

public ref class LifetimeServices sealed
public sealed class LifetimeServices
[System.Runtime.InteropServices.ComVisible(true)]
public sealed class LifetimeServices
[System.Runtime.InteropServices.ComVisible(true)]
[System.Security.SecurityCritical]
public sealed class LifetimeServices
type LifetimeServices = class
[<System.Runtime.InteropServices.ComVisible(true)>]
type LifetimeServices = class
[<System.Runtime.InteropServices.ComVisible(true)>]
[<System.Security.SecurityCritical>]
type LifetimeServices = class
Public NotInheritable Class LifetimeServices
继承
Object
LifetimeServices
属性
ComVisibleAttribute SecurityCriticalAttribute

示例

#using <system.dll>
#using <system.runtime.remoting.dll>
#using "service.dll"

using namespace System;
using namespace System::Runtime::Remoting;
using namespace System::Runtime::Remoting::Channels;
using namespace System::Runtime::Remoting::Channels::Http;
using namespace System::Runtime::Remoting::Lifetime;

int main()
{
   LifetimeServices::LeaseTime = TimeSpan::FromSeconds( 5 );
   LifetimeServices::LeaseManagerPollTime = TimeSpan::FromSeconds( 3 );
   LifetimeServices::RenewOnCallTime = TimeSpan::FromSeconds( 2 );
   LifetimeServices::SponsorshipTimeout = TimeSpan::FromSeconds( 1 );
   ChannelServices::RegisterChannel( gcnew HttpChannel( 8080 ) );
   RemotingConfiguration::RegisterActivatedServiceType( ClientActivatedType::typeid );
   Console::WriteLine( "The server is listening. Press Enter to exit...." );
   Console::ReadLine();
   Console::WriteLine( "GC'ing." );
   GC::Collect();
   GC::WaitForPendingFinalizers();
   return 0;
}

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Http;
using System.Runtime.Remoting.Lifetime;

public class Server {

   public static void Main() {

      Server myServer = new Server();
      myServer.Run();
   }

   public void Run()
   {
      LifetimeServices.LeaseTime = TimeSpan.FromSeconds(5);
      LifetimeServices.LeaseManagerPollTime = TimeSpan.FromSeconds(3);
      LifetimeServices.RenewOnCallTime = TimeSpan.FromSeconds(2);
      LifetimeServices.SponsorshipTimeout = TimeSpan.FromSeconds(1);

      ChannelServices.RegisterChannel(new HttpChannel(8080), true);
      RemotingConfiguration.RegisterActivatedServiceType(typeof(ClientActivatedType));

      Console.WriteLine("The server is listening. Press Enter to exit....");
      Console.ReadLine();

      Console.WriteLine("GC'ing.");
      GC.Collect();
      GC.WaitForPendingFinalizers();
   }
}

Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Channels
Imports System.Runtime.Remoting.Channels.Http
Imports System.Runtime.Remoting.Lifetime
Imports System.Security.Permissions


Public Class Server
   
   Public Shared Sub Main()
      Dim myServer As New Server()
      myServer.Run()
   End Sub

<SecurityPermission(SecurityAction.Demand, Flags:=SecurityPermissionFlag.Infrastructure)> _ 
   Public Sub Run()
      LifetimeServices.LeaseTime = TimeSpan.FromSeconds(5)
      LifetimeServices.LeaseManagerPollTime = TimeSpan.FromSeconds(3)
      LifetimeServices.RenewOnCallTime = TimeSpan.FromSeconds(2)
      LifetimeServices.SponsorshipTimeout = TimeSpan.FromSeconds(1)
      
      
      ChannelServices.RegisterChannel(New HttpChannel(8080), True)
      RemotingConfiguration.RegisterActivatedServiceType(GetType(ClientActivatedType))
      
      Console.WriteLine("The server is listening. Press Enter to exit....")
      Console.ReadLine()
      
      Console.WriteLine("GC'ing.")
      GC.Collect()
      GC.WaitForPendingFinalizers()
   End Sub
   
End Class

注解

分布式垃圾回收负责控制服务器应用程序的生存期，并在其生存期过期时将其删除。 传统上，分布式垃圾回收使用引用计数和 ping 进行控制。 当每个对象有几个客户端时，这很有效，但如果每个对象有数千个客户端，则效果不佳。 生存期服务可以假定传统分布式垃圾回收器的功能，并在客户端数量增加时很好地缩放。

生存期服务将租约与每个远程激活的对象相关联。 租约到期时，将删除 对象。

注意

此类提出链接需求。 如果直接调用方没有基础结构权限，则会引发 SecurityException。 有关详细信息 ，请参阅链接需求 。

构造函数

LifetimeServices()
已过时.

创建 LifetimeServices 的实例。

属性

LeaseManagerPollTime

获取或设置每次激活租约管理器以清除到期租约之间的时间间隔。
LeaseTime

获取或设置 AppDomain 的初始租约时间范围。
RenewOnCallTime

获取或设置每当调用到达服务器对象时延续租约的时间。
SponsorshipTimeout

获取或设置租约管理器等待主办方返回租约续订时间的时间。

方法

Equals(Object)

确定指定对象是否等于当前对象。

(继承自 Object)
GetHashCode()

作为默认哈希函数。

(继承自 Object)
GetType()

获取当前实例的 Type。

(继承自 Object)
MemberwiseClone()

创建当前 Object 的浅表副本。

(继承自 Object)
ToString()

返回表示当前对象的字符串。

(继承自 Object)

适用于