語言

TcpChannel 類別

定義

命名空間:
System.Runtime.Remoting.Channels.Tcp
組件:
System.Runtime.Remoting.dll

提供一種使用 TCP 協定來傳送訊息的通道實作。

public ref class TcpChannel : System::Runtime::Remoting::Channels::IChannelReceiver, System::Runtime::Remoting::Channels::IChannelSender
public ref class TcpChannel : System::Runtime::Remoting::Channels::IChannelReceiver, System::Runtime::Remoting::Channels::IChannelSender, System::Runtime::Remoting::Channels::ISecurableChannel
public class TcpChannel : System.Runtime.Remoting.Channels.IChannelReceiver, System.Runtime.Remoting.Channels.IChannelSender
public class TcpChannel : System.Runtime.Remoting.Channels.IChannelReceiver, System.Runtime.Remoting.Channels.IChannelSender, System.Runtime.Remoting.Channels.ISecurableChannel
type TcpChannel = class
    interface IChannelReceiver
    interface IChannelSender
    interface IChannel
type TcpChannel = class
    interface IChannelReceiver
    interface IChannelSender
    interface IChannel
    interface ISecurableChannel
type TcpChannel = class
    interface IChannelReceiver
    interface IChannel
    interface IChannelSender
    interface ISecurableChannel
Public Class TcpChannel
Implements IChannelReceiver, IChannelSender
Public Class TcpChannel
Implements IChannelReceiver, IChannelSender, ISecurableChannel
繼承
Object
TcpChannel
實作
IChannel IChannelReceiver IChannelSender ISecurableChannel

範例

以下程式碼範例說明如何使用 a TcpChannel 來設定遠端伺服器及其用戶端。 範例包含三個部分：伺服器、客戶端，以及伺服器與客戶端共用的遠端物件。

以下程式碼範例展示了一台伺服器：

#using <System.Runtime.Remoting.dll>
#using <System.dll>
#using <common.dll>

using namespace System;
using namespace System::Runtime::Remoting;
using namespace System::Runtime::Remoting::Channels;
using namespace System::Runtime::Remoting::Channels::Tcp;
using namespace System::Security::Permissions;

[SecurityPermission(SecurityAction::Demand)]
int main(array<String^>^ args)
{
    // Create the server channel.
    TcpChannel^ serverChannel = gcnew TcpChannel(9090);

    // Register the server channel.
    ChannelServices::RegisterChannel(serverChannel);

    // Show the name of the channel.
    Console::WriteLine("The name of the channel is {0}.", 
        serverChannel->ChannelName);

    // Show the priority of the channel.
    Console::WriteLine("The priority of the channel is {0}.", 
        serverChannel->ChannelPriority);

    // Show the URIs associated with the channel.
    ChannelDataStore^ data = (ChannelDataStore^) serverChannel->ChannelData;
    for each (String^ uri in data->ChannelUris)
    {
        Console::WriteLine("The channel URI is {0}.", uri);
    }

    // Expose an object for remote calls.
    RemotingConfiguration::RegisterWellKnownServiceType(
        RemoteObject::typeid, "RemoteObject.rem", 
        WellKnownObjectMode::Singleton);

    // Parse the channel's URI.
    array<String^>^ urls = serverChannel->GetUrlsForUri("RemoteObject.rem");
    if (urls->Length > 0)
    {
        String^ objectUrl = urls[0];
        String^ objectUri;
        String^ channelUri = serverChannel->Parse(objectUrl, objectUri);
        Console::WriteLine("The object URL is {0}.", objectUrl);
        Console::WriteLine("The object URI is {0}.", objectUri);
        Console::WriteLine("The channel URI is {0}.", channelUri);
    }
        
    // Wait for the user prompt.
    Console::WriteLine("Press ENTER to exit the server.");
    Console::ReadLine();
}

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;

public class Server
{
    public static void Main(string[] args)
    {
        // Create the server channel.
        TcpChannel serverChannel = new TcpChannel(9090);

        // Register the server channel.
        ChannelServices.RegisterChannel(serverChannel);

        // Show the name of the channel.
        Console.WriteLine("The name of the channel is {0}.",
            serverChannel.ChannelName);

        // Show the priority of the channel.
        Console.WriteLine("The priority of the channel is {0}.",
            serverChannel.ChannelPriority);

        // Show the URIs associated with the channel.
        ChannelDataStore data = (ChannelDataStore) serverChannel.ChannelData;
        foreach (string uri in data.ChannelUris)
        {
            Console.WriteLine("The channel URI is {0}.", uri);
        }

        // Expose an object for remote calls.
        RemotingConfiguration.RegisterWellKnownServiceType(
            typeof(RemoteObject), "RemoteObject.rem",
            WellKnownObjectMode.Singleton);

        // Parse the channel's URI.
        string[] urls = serverChannel.GetUrlsForUri("RemoteObject.rem");
        if (urls.Length > 0)
        {
            string objectUrl = urls[0];
            string objectUri;
            string channelUri = serverChannel.Parse(objectUrl, out objectUri);
            Console.WriteLine("The object URL is {0}.", objectUrl);
            Console.WriteLine("The object URI is {0}.", objectUri);
            Console.WriteLine("The channel URI is {0}.", channelUri);
        }

        // Wait for the user prompt.
        Console.WriteLine("Press ENTER to exit the server.");
        Console.ReadLine();
    }
}

以下程式碼範例展示了此伺服器的用戶端：

#using <System.Runtime.Remoting.dll>
#using <System.dll>
#using <common.dll>

using namespace System;
using namespace System::Runtime::Remoting;
using namespace System::Runtime::Remoting::Channels;
using namespace System::Runtime::Remoting::Channels::Tcp;
using namespace System::Security::Permissions;

int main(array<String^>^ args)
{
    // Create the channel.
    TcpChannel^ clientChannel = gcnew TcpChannel();

    // Register the channel.
    ChannelServices::RegisterChannel(clientChannel, false);

    // Register as client for remote object.
    WellKnownClientTypeEntry^ remoteType = gcnew WellKnownClientTypeEntry(
        RemoteObject::typeid,"tcp://localhost:9090/RemoteObject.rem");
    RemotingConfiguration::RegisterWellKnownClientType(remoteType);

    // Create a message sink.
    String^ objectUri;
    System::Runtime::Remoting::Messaging::IMessageSink^ messageSink = 
        clientChannel->CreateMessageSink(
            "tcp://localhost:9090/RemoteObject.rem", nullptr,
            objectUri);
    Console::WriteLine("The URI of the message sink is {0}.", 
        objectUri);
    if (messageSink != nullptr)
    {
        Console::WriteLine("The type of the message sink is {0}.", 
            messageSink->GetType()->ToString());
    }

    // Create an instance of the remote object.
    RemoteObject^ service = gcnew RemoteObject(); 

    // Invoke a method on the remote object.
    Console::WriteLine("The client is invoking the remote object.");
    Console::WriteLine("The remote object has been called {0} times.",
        service->GetCount());
}

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;

public class Client
{
    public static void Main(string[] args)
    {
        // Create the channel.
        TcpChannel clientChannel = new TcpChannel();

        // Register the channel.
        ChannelServices.RegisterChannel(clientChannel, false);

        // Register as client for remote object.
        WellKnownClientTypeEntry remoteType = new WellKnownClientTypeEntry(
            typeof(RemoteObject),"tcp://localhost:9090/RemoteObject.rem");
        RemotingConfiguration.RegisterWellKnownClientType(remoteType);

        // Create a message sink.
        string objectUri;
        System.Runtime.Remoting.Messaging.IMessageSink messageSink =
            clientChannel.CreateMessageSink(
                "tcp://localhost:9090/RemoteObject.rem", null,
                out objectUri);
        Console.WriteLine("The URI of the message sink is {0}.",
            objectUri);
        if (messageSink != null)
        {
            Console.WriteLine("The type of the message sink is {0}.",
                messageSink.GetType().ToString());
        }

        // Create an instance of the remote object.
        RemoteObject service = new RemoteObject();

        // Invoke a method on the remote object.
        Console.WriteLine("The client is invoking the remote object.");
        Console.WriteLine("The remote object has been called {0} times.",
            service.GetCount());
    }
}

以下程式碼範例展示了伺服器與用戶端所使用的遠端物件：

using namespace System;
using namespace System::Runtime::Remoting;

// Remote object.
public ref class RemoteObject: public MarshalByRefObject
{
private:
   int callCount;

public:
   RemoteObject()
      : callCount( 0 )
   {}

   int GetCount()
   {
      callCount++;
      return (callCount);
   }

};

using System;
using System.Runtime.Remoting;

// Remote object.
public class RemoteObject : MarshalByRefObject
{
    private int callCount = 0;

    public int GetCount()
    {
        callCount++;
        return(callCount);
    }
}

備註

Important

從這個類別使用不受信任的數據呼叫方法構成安全性風險。 僅使用信任的數據呼叫來自這個類別的方法。 如需詳細資訊，請參閱 驗證所有輸入。

通道跨越遠端邊界（例如應用程式域上的電腦間）傳送訊息。 這個 TcpChannel 類別是一個便利類別，結合了類別的功能 TcpClientChannel 與類別本身 TcpServerChannel 。

通道被 .NET 框架遠端基礎設施用於傳輸遠端通話。 當用戶端呼叫遠端物件時，該呼叫會序列化成由用戶端通道傳送並由伺服器通道接收的訊息。 接著被解序並處理。 任何回傳的值由伺服器通道傳送，並由用戶端通道接收。

若要執行額外的訊息處理，你可以指定 和 的實作，讓所有被 IClientChannelSinkProviderIServerChannelSinkProvider 處理 TcpChannel 的訊息都經過這些實作傳遞。

物件TcpChannel具有相關的組態屬性，可在執行時設定，無論是在設定檔中（透過呼叫靜態RemotingConfiguration.Configure方法）或程式化（將集合傳給IDictionaryTcpChannel建構器）中設定。 欲了解更多通道配置屬性，請參閱 通道與形式配置屬性。

建構函式

名稱 Description
TcpChannel()

初始化該類別的新實例 TcpChannel ，僅啟用用戶端通道，而非伺服器通道。
TcpChannel(IDictionary, IClientChannelSinkProvider, IServerChannelSinkProvider)

初始化一個具有指定配置屬性與匯入的類別新實例 TcpChannel 。
TcpChannel(Int32)

初始化一個新的類別實例 TcpChannel ，並以伺服器通道監聽指定的埠口。

屬性

名稱 Description
ChannelData

取得頻道特定的資料。
ChannelName

會得到目前頻道的名稱。
ChannelPriority

獲得當前頻道的優先權。
IsSecured

取得或設定一個布林值，指示目前通道是否安全。

方法

名稱 Description
CreateMessageSink(String, Object, String)

回傳一個通道訊息匯入器，將訊息傳送到指定的 URL 或通道資料物件。
Equals(Object)

判斷指定的物件是否等於目前的物件。

(繼承來源 Object)
GetHashCode()

做為預設哈希函式。

(繼承來源 Object)
GetType()

取得目前實例的 Type。

(繼承來源 Object)
GetUrlsForUri(String)

回傳一個包含指定 URI 物件的所有 URL 陣列，該物件託管於目前 TcpChannel的 。
MemberwiseClone()

建立目前 Object的淺層複本。

(繼承來源 Object)
Parse(String, String)

從指定的 URL 中擷取通道 URI 及遠端知名物件 URI。
StartListening(Object)

指示當前頻道開始監聽請求。
StopListening(Object)

指示當前頻道停止監聽請求。
ToString()

傳回表示目前 物件的字串。

(繼承來源 Object)

適用於