TcpListener.Stop Méthode
Définition
Important
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Ferme l'écouteur.
public:
void Stop();
public void Stop ();
member this.Stop : unit -> unit
Public Sub Stop ()
Exceptions
Utilisez la propriété ErrorCode pour obtenir le code d'erreur spécifique. Une fois que vous avez obtenu ce code, vous pouvez consulter la documentation sur les codes d’erreur de l’API Windows Sockets version 2 pour obtenir une description détaillée de l’erreur.
Exemples
L’exemple de code suivant illustre l’utilisation de la Stop méthode pour fermer le sous-jacent Socket.
#using <System.dll>
using namespace System;
using namespace System::IO;
using namespace System::Net;
using namespace System::Net::Sockets;
using namespace System::Text;
using namespace System::Threading;
void main()
{
try
{
// Set the TcpListener on port 13000.
Int32 port = 13000;
IPAddress^ localAddr = IPAddress::Parse( "127.0.0.1" );
// TcpListener* server = new TcpListener(port);
TcpListener^ server = gcnew TcpListener( localAddr,port );
// Start listening for client requests.
server->Start();
// Buffer for reading data
array<Byte>^bytes = gcnew array<Byte>(256);
String^ data = nullptr;
// Enter the listening loop.
while ( true )
{
Console::Write( "Waiting for a connection... " );
// Perform a blocking call to accept requests.
// You could also use server.AcceptSocket() here.
TcpClient^ client = server->AcceptTcpClient();
Console::WriteLine( "Connected!" );
data = nullptr;
// Get a stream Object* for reading and writing
NetworkStream^ stream = client->GetStream();
Int32 i;
// Loop to receive all the data sent by the client.
while ( i = stream->Read( bytes, 0, bytes->Length ) )
{
// Translate data bytes to a ASCII String*.
data = Text::Encoding::ASCII->GetString( bytes, 0, i );
Console::WriteLine( "Received: {0}", data );
// Process the data sent by the client.
data = data->ToUpper();
array<Byte>^msg = Text::Encoding::ASCII->GetBytes( data );
// Send back a response.
stream->Write( msg, 0, msg->Length );
Console::WriteLine( "Sent: {0}", data );
}
// Shutdown and end connection
client->Close();
}
}
catch ( SocketException^ e )
{
Console::WriteLine( "SocketException: {0}", e );
}
Console::WriteLine( "\nHit enter to continue..." );
Console::Read();
}
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
class MyTcpListener
{
public static void Main()
{
TcpListener server = null;
try
{
// Set the TcpListener on port 13000.
Int32 port = 13000;
IPAddress localAddr = IPAddress.Parse("127.0.0.1");
// TcpListener server = new TcpListener(port);
server = new TcpListener(localAddr, port);
// Start listening for client requests.
server.Start();
// Buffer for reading data
Byte[] bytes = new Byte[256];
String data = null;
// Enter the listening loop.
while(true)
{
Console.Write("Waiting for a connection... ");
// Perform a blocking call to accept requests.
// You could also use server.AcceptSocket() here.
using TcpClient client = server.AcceptTcpClient();
Console.WriteLine("Connected!");
data = null;
// Get a stream object for reading and writing
NetworkStream stream = client.GetStream();
int i;
// Loop to receive all the data sent by the client.
while((i = stream.Read(bytes, 0, bytes.Length))!=0)
{
// Translate data bytes to a ASCII string.
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
Console.WriteLine("Received: {0}", data);
// Process the data sent by the client.
data = data.ToUpper();
byte[] msg = System.Text.Encoding.ASCII.GetBytes(data);
// Send back a response.
stream.Write(msg, 0, msg.Length);
Console.WriteLine("Sent: {0}", data);
}
}
}
catch(SocketException e)
{
Console.WriteLine("SocketException: {0}", e);
}
finally
{
server.Stop();
}
Console.WriteLine("\nHit enter to continue...");
Console.Read();
}
}
Imports System.IO
Imports System.Net
Imports System.Net.Sockets
Imports System.Text
Class MyTcpListener
Public Shared Sub Main()
Dim server As TcpListener
server=nothing
Try
' Set the TcpListener on port 13000.
Dim port As Int32 = 13000
Dim localAddr As IPAddress = IPAddress.Parse("127.0.0.1")
server = New TcpListener(localAddr, port)
' Start listening for client requests.
server.Start()
' Buffer for reading data
Dim bytes(1024) As Byte
Dim data As String = Nothing
' Enter the listening loop.
While True
Console.Write("Waiting for a connection... ")
' Perform a blocking call to accept requests.
' You could also use server.AcceptSocket() here.
Dim client As TcpClient = server.AcceptTcpClient()
Console.WriteLine("Connected!")
data = Nothing
' Get a stream object for reading and writing
Dim stream As NetworkStream = client.GetStream()
Dim i As Int32
' Loop to receive all the data sent by the client.
i = stream.Read(bytes, 0, bytes.Length)
While (i <> 0)
' Translate data bytes to a ASCII string.
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i)
Console.WriteLine("Received: {0}", data)
' Process the data sent by the client.
data = data.ToUpper()
Dim msg As Byte() = System.Text.Encoding.ASCII.GetBytes(data)
' Send back a response.
stream.Write(msg, 0, msg.Length)
Console.WriteLine("Sent: {0}", data)
i = stream.Read(bytes, 0, bytes.Length)
End While
' Shutdown and end connection
client.Close()
End While
Catch e As SocketException
Console.WriteLine("SocketException: {0}", e)
Finally
server.Stop()
End Try
Console.WriteLine(ControlChars.Cr + "Hit enter to continue....")
Console.Read()
End Sub
End Class
Remarques
Stop ferme l’écouteur. Toutes les demandes de connexion non acceptées dans la file d’attente seront perdues. Les hôtes distants qui attendent qu’une connexion soit acceptée lèveront un SocketException. Vous êtes responsable de la fermeture de vos connexions acceptées séparément.
Notes
Ce membre génère des informations de traçage lorsque vous activez le traçage réseau dans votre application. Pour plus d’informations, consultez Suivi réseau dans le .NET Framework.
Notes pour les appelants
La Stop() méthode ferme également le sous-jacent Socketet crée un nouveau Socket pour .TcpListener Si vous définissez des propriétés sur le sous-jacent Socket avant d’appeler la Stop() méthode, ces propriétés ne sont pas reportées sur le nouveau Socket.