TcpChannel 類別

參考

定義

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

組件:: System.Runtime.Remoting.dll

重要

部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。

提供使用 TCP 通訊協定傳輸訊息的通道實作。

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

下列程式代碼範例示範如何使用 TcpChannel 來設定遠端伺服器及其用戶端。此範例包含三個部分：伺服器、用戶端，以及伺服器和用戶端所使用的遠端物件。

下列程式代碼範例顯示伺服器：

#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();
    }
}

下列程式代碼範例顯示此伺服器的用戶端：

#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());
    }
}

下列程式代碼範例顯示伺服器和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

重要

使用不信任的資料呼叫此類別的方法，會造成安全性上的風險。呼叫此類別的方法時，請一律使用信任的資料。如需詳細資訊，請參閱驗證所有輸入。

通道會跨遠端界限傳輸訊息 (例如，應用程式域上的電腦之間) 。類別TcpChannel是結合類別和 TcpServerChannel 類別功能的TcpClientChannel便利類別。

.NET Framework 遠端基礎結構會使用通道來傳輸遠端呼叫。當用戶端呼叫遠端物件時，呼叫會串行化為用戶端通道所傳送且由伺服器通道接收的訊息。然後，它會還原串行化和處理。任何傳回的值都是由伺服器通道傳輸，並由用戶端通道接收。

若要執行其他訊息處理，您可以指定和的實 IClientChannelSinkProvider 作，以及 IServerChannelSinkProvider 傳遞所 TcpChannel 處理的所有訊息。

TcpChannel物件具有相關聯的組態屬性，可在組態檔中設定 (，方法是叫用靜態RemotingConfiguration.Configure方法) ，或藉由將集合傳遞IDictionary至TcpChannel建構函式) ，以程式設計方式 (。如需通道組態屬性的詳細資訊，請參閱通道和格式器組態屬性。

建構函式

TcpChannel()	初始化 TcpChannel 類別的新執行個體，只啟動用戶端通道，不啟動伺服器通道。
TcpChannel(IDictionary, IClientChannelSinkProvider, IServerChannelSinkProvider)	使用指定的組態屬性和接收，初始化 TcpChannel 類別的新執行個體。
TcpChannel(Int32)	使用接聽指定之連接埠的伺服器通道，初始化 TcpChannel 類別的新執行個體。

屬性

ChannelData	取得通道特定資料。
ChannelName	取得目前通道的名稱。
ChannelPriority	取得目前通道的優先權。
IsSecured	取得或設定指出目前通道是否安全的布林值。

方法

CreateMessageSink(String, Object, String)	傳回通道訊息接收，其傳遞訊息給指定 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()	做為預設雜湊函式。 (繼承來源 Object)
GetType()	取得目前執行個體的 Type。 (繼承來源 Object)
GetUrlsForUri(String)	傳回具有指定 URI 之物件的所有 URL 的陣列，這 URI 裝載 (Host) 於目前 TcpChannel 上。
MemberwiseClone()	建立目前 Object 的淺層複製。 (繼承來源 Object)
Parse(String, String)	從指定的 URL 擷取通道 URI 和遠端已知物件 URI。
StartListening(Object)	指示目前通道開始接聽要求。
StopListening(Object)	指示目前通道停止接聽要求。
ToString()	傳回代表目前物件的字串。 (繼承來源 Object)

適用於

共用方式為

TcpChannel 類別

定義

範例

備註

建構函式

屬性

方法

適用於

其他資源