RemotingServices.GetSessionIdForMethodMessage(IMethodMessage) Metode
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mengambil ID sesi untuk pesan.
public:
static System::String ^ GetSessionIdForMethodMessage(System::Runtime::Remoting::Messaging::IMethodMessage ^ msg);
public static string GetSessionIdForMethodMessage (System.Runtime.Remoting.Messaging.IMethodMessage msg);
[System.Security.SecurityCritical]
public static string GetSessionIdForMethodMessage (System.Runtime.Remoting.Messaging.IMethodMessage msg);
static member GetSessionIdForMethodMessage : System.Runtime.Remoting.Messaging.IMethodMessage -> string
[<System.Security.SecurityCritical>]
static member GetSessionIdForMethodMessage : System.Runtime.Remoting.Messaging.IMethodMessage -> string
Public Shared Function GetSessionIdForMethodMessage (msg As IMethodMessage) As String
Parameter
- msg
- IMethodMessage
IMethodMessage ID sesi yang diminta.
Mengembalikan
String ID sesi yang secara unik mengidentifikasi sesi saat ini.
- Atribut
Pengecualian
Pemanggil langsung tidak memiliki izin infrastruktur.
Contoh
Contoh kode berikut menunjukkan cara mendapatkan string ID sesi untuk sesi saat ini.
[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::LinkDemand,
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]
virtual void ProcessMessageStart( IMessage^ requestMessage, bool /*bClientSide*/, bool /*bAsyncCall*/ )
{
Console::WriteLine( "\nProcessMessageStart" );
Console::WriteLine( "requestMessage = {0}", requestMessage );
try
{
Console::WriteLine( "SessionId = {0}.", RemotingServices::GetSessionIdForMethodMessage( dynamic_cast<IMethodMessage^>(requestMessage) ) );
}
catch ( InvalidCastException^ )
{
Console::WriteLine( "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( "\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" );
IEnumerator^ myEnum = requestMethodCallMessage->Args->GetEnumerator();
while ( myEnum->MoveNext() )
{
Object^ o = safe_cast<Object^>(myEnum->Current);
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 )
{
String^ repSvr = String::Format( "{0}{1}", const_cast<String^>(replicationServerUrl), const_cast<String^>(replicatedServiceUri) );
SampleService^ replicationService = dynamic_cast<SampleService^>(Activator::GetObject( SampleService::typeid, repSvr ));
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" );
IEnumerator^ myEnum = requestMethodCallMessage->Args->GetEnumerator();
while ( myEnum->MoveNext() )
{
Object^ o = safe_cast<Object^>(myEnum->Current);
Console::WriteLine( "\t {0}", o );
}
}
}
}
catch ( InvalidCastException^ )
{
Console::WriteLine( "The requestMessage is not a MethodCall" );
}
}
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");
}
}
<SecurityPermission(SecurityAction.LinkDemand, Flags := SecurityPermissionFlag.Infrastructure)> _
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
Keterangan
ID sesi yang sama mungkin dikembalikan untuk objek dalam aplikasi yang sama, tetapi metode ini tidak akan pernah mengembalikan ID sesi yang sama untuk dua objek dalam aplikasi jarak jauh yang berbeda.
Untuk informasi selengkapnya tentang mengidentifikasi sesi dan ID sesi, lihat Gambaran Umum Status Sesi ASP.NET ASP.Net.