RemotingServices.GetSessionIdForMethodMessage メソッド

[アーティクル]
03/28/2008

メッセージのセッション ID を取得します。

Public Shared Function GetSessionIdForMethodMessage( _
   ByVal msg As IMethodMessage _) As String
[C#]
public static string GetSessionIdForMethodMessage(IMethodMessagemsg);
[C++]
public: static String* GetSessionIdForMethodMessage(IMethodMessage* msg);
[JScript]
public static function GetSessionIdForMethodMessage(
   msg : IMethodMessage) : String;

パラメータ

msg
セッション ID が要求される対象の IMethodMessage 。

戻り値

現在のセッションを一意に識別するセッション ID 文字列。

例外

例外の種類	条件
SecurityException	直前の呼び出し元に、インフラストラクチャアクセス許可がありません。

解説

同じアプリケーションのオブジェクトに対して同じセッション ID が返される可能性はありますが、このメソッドは異なるリモートアプリケーションの 2 つのオブジェクトに対して同じセッション ID を返すことはありません。

セッションおよびセッション ID の識別の詳細については、「セッション状態」を参照してください。

使用例

[Visual Basic, C#, C++] 現在のセッションのセッション ID 文字列を取得する方法の例を次に示します。

 
Public Sub ProcessMessageStart(requestMessage As IMessage, bClientSide As Boolean, bAsyncCall As Boolean) Implements IDynamicMessageSink.ProcessMessageStart

   Console.WriteLine(ControlChars.Cr + "ProcessMessageStart")
   Console.WriteLine("requestMessage = {0}", requestMessage)
   
   Try
      Console.WriteLine("SessionId = {0}.", RemotingServices.GetSessionIdForMethodMessage(CType(requestMessage, IMethodMessage)))
   Catch e As InvalidCastException
      Console.WriteLine("The requestMessage is not an IMethodMessage.")
   End Try
   
   Dim requestMethodCallMessage As IMethodCallMessage
   
   Try
      requestMethodCallMessage = CType(requestMessage, MethodCall)
      
      ' Prints the details of the IMethodCallMessage to the console
      Console.WriteLine(ControlChars.Cr + "MethodCall details")
      Console.WriteLine("Uri = {0}", requestMethodCallMessage.Uri)
      Console.WriteLine("TypeName = {0}", requestMethodCallMessage.TypeName)
      Console.WriteLine("MethodName = {0}", requestMethodCallMessage.MethodName)
      Console.WriteLine("ArgCount = {0}", requestMethodCallMessage.ArgCount)
      Console.WriteLine("MethodCall.Args")
      
      Dim o As Object
      For Each o In  requestMethodCallMessage.Args
         Console.WriteLine(ControlChars.Tab + "{0}", o)
      Next o 
      
      ' Sends this method call message to another server to replicate
      ' the call at the second server
      If requestMethodCallMessage.Uri = replicatedServiceUri Then
         
         Dim replicationService As SampleService = CType(Activator.GetObject(GetType(SampleService), replicationServerUrl + replicatedServiceUri), SampleService)
         Dim returnMessage As IMethodReturnMessage = RemotingServices.ExecuteMessage(replicationService, requestMethodCallMessage)
         
         ' Prints the results of the method call stored in the IMethodReturnMessage.
         Console.WriteLine(ControlChars.Cr + "Message returned by ExecuteMessage.")
         Console.WriteLine(ControlChars.Tab + "Exception = {0}", returnMessage.Exception)
         Console.WriteLine(ControlChars.Tab + "ReturnValue = {0}", returnMessage.ReturnValue)
         Console.WriteLine(ControlChars.Tab + "OutArgCount = {0}", returnMessage.OutArgCount)
         Console.WriteLine("Return message OutArgs")
         For Each o In  requestMethodCallMessage.Args
            Console.WriteLine(ControlChars.Tab + "{0}", o)
         Next o
         
      End If
      
   Catch e As InvalidCastException
      Console.WriteLine("The requestMessage is not a MethodCall")
   End Try

End Sub 'ProcessMessageStart

[C#] 
public void ProcessMessageStart(IMessage requestMessage, bool bClientSide, bool bAsyncCall) {
   
   Console.WriteLine("\nProcessMessageStart");
   Console.WriteLine("requestMessage = {0}", requestMessage);
   
   try {
      Console.WriteLine("SessionId = {0}.",
          RemotingServices.GetSessionIdForMethodMessage((IMethodMessage)requestMessage));
   }
   catch (InvalidCastException) {
      Console.WriteLine("The requestMessage is not an IMethodMessage.");
   }

   IMethodCallMessage requestMethodCallMessage;
   
   try {
      requestMethodCallMessage = (IMethodCallMessage)requestMessage;
      // Prints the details of the IMethodCallMessage to the console.
      Console.WriteLine("\nMethodCall details");
      Console.WriteLine("Uri = {0}", requestMethodCallMessage.Uri);
      Console.WriteLine("TypeName = {0}", requestMethodCallMessage.TypeName);
      Console.WriteLine("MethodName = {0}", requestMethodCallMessage.MethodName);
      Console.WriteLine("ArgCount = {0}", requestMethodCallMessage.ArgCount);
      
      Console.WriteLine("MethodCall.Args");
      foreach(object o in requestMethodCallMessage.Args)
          Console.WriteLine("\t{0}", o);
      
      // Sends this method call message to another server to replicate
      // the call at the second server.
      if (requestMethodCallMessage.Uri == replicatedServiceUri) {
         
         SampleService replicationService = 
            (SampleService)Activator.GetObject(typeof(SampleService), 
            replicationServerUrl + replicatedServiceUri);
         
         IMethodReturnMessage returnMessage = 
            RemotingServices.ExecuteMessage(replicationService, requestMethodCallMessage);
         
         // Prints the results of the method call stored in the IMethodReturnMessage.
         Console.WriteLine("\nMessage returned by ExecuteMessage.");
         Console.WriteLine("\tException = {0}", returnMessage.Exception);
         Console.WriteLine("\tReturnValue = {0}", returnMessage.ReturnValue);
         Console.WriteLine("\tOutArgCount = {0}", returnMessage.OutArgCount);
         Console.WriteLine("Return message OutArgs");
         
         foreach(object o in requestMethodCallMessage.Args)
            Console.WriteLine("\t{0}", o);
      }
   }
   catch (InvalidCastException) {
       Console.WriteLine("The requestMessage is not a MethodCall");
   }
}

[C++] 
public:
    void ProcessMessageStart(IMessage* requestMessage, bool /*bClientSide*/, bool /*bAsyncCall*/) 
    {
        Console::WriteLine(S"\nProcessMessageStart");
        Console::WriteLine(S"requestMessage = {0}", requestMessage);

        try 
        {
            Console::WriteLine(S"SessionId = {0}.",
                RemotingServices::GetSessionIdForMethodMessage(dynamic_cast<IMethodMessage*>(requestMessage)));
        }
        catch (InvalidCastException*) 
        {
            Console::WriteLine(S"The requestMessage is not an IMethodMessage*.");
        }

        IMethodCallMessage* requestMethodCallMessage;

        try 
        {
            requestMethodCallMessage = dynamic_cast<IMethodCallMessage*>(requestMessage);
            // Prints the details of the IMethodCallMessage* to the console.
            Console::WriteLine(S"\nMethodCall details");
            Console::WriteLine(S"Uri = {0}", requestMethodCallMessage->Uri);
            Console::WriteLine(S"TypeName = {0}", requestMethodCallMessage->TypeName);
            Console::WriteLine(S"MethodName = {0}", requestMethodCallMessage->MethodName);
            Console::WriteLine(S"ArgCount = {0}", __box(requestMethodCallMessage->ArgCount));

            Console::WriteLine(S"MethodCall::Args");
            IEnumerator* myEnum = requestMethodCallMessage->Args->GetEnumerator();
            while (myEnum->MoveNext()) 
            {
                Object* o = __try_cast<Object*>(myEnum->Current);

                Console::WriteLine(S"\t {0}", o);

                // Sends this method call message to another server to replicate
                // the call at the second server.
                if (requestMethodCallMessage->Uri == replicatedServiceUri) 
                {
                    String* repSvr = String::Format("{0}{1}", 
                        const_cast<String*>(replicationServerUrl), 
                        const_cast<String*>(replicatedServiceUri));
                    SampleService* replicationService = 
                        dynamic_cast<SampleService*>(Activator::GetObject(__typeof(SampleService), 
                        repSvr));

                    IMethodReturnMessage* returnMessage = 
                        RemotingServices::ExecuteMessage(replicationService, requestMethodCallMessage);

                    // Prints the results of the method call stored in the IMethodReturnMessage*.
                    Console::WriteLine(S"\nMessage returned by ExecuteMessage.");
                    Console::WriteLine(S"\tException = {0}", returnMessage->Exception);
                    Console::WriteLine(S"\tReturnValue = {0}", returnMessage->ReturnValue);
                    Console::WriteLine(S"\tOutArgCount = {0}", __box(returnMessage->OutArgCount));
                    Console::WriteLine(S"Return message OutArgs");

                    IEnumerator* myEnum = requestMethodCallMessage->Args->GetEnumerator();
                    while (myEnum->MoveNext()) 
                    {
                        Object* o = __try_cast<Object*>(myEnum->Current);

                        Console::WriteLine(S"\t {0}", o);
                    }
                }
            }
        }
        catch (InvalidCastException*) 
        {
            Console::WriteLine(S"The requestMessage is not a MethodCall");
        }
    }

[JScript] JScript のサンプルはありません。Visual Basic、C#、および C++ のサンプルを表示するには、このページの左上隅にある言語のフィルタボタンをクリックします。

必要条件

プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ

.NET Framework セキュリティ:

SecurityPermission (インフラストラクチャコードを操作するために必要なアクセス許可)要求値: SecurityAction.LinkDemand; アクセス許可値: SecurityPermissionFlag.Infrastructure

参照

RemotingServices クラス | RemotingServices メンバ | System.Runtime.Remoting 名前空間 | セッション状態

次の方法で共有

RemotingServices.GetSessionIdForMethodMessage メソッド

パラメータ

戻り値

例外

解説

使用例

必要条件

参照

その他のリソース