TcpStatistics.CurrentConnections Proprietà

Definizione

Spazio dei nomi:

System.Net.NetworkInformation

Assembly:

System.Net.NetworkInformation.dll

Ottiene il numero di connessioni tramite protocollo TCP (Transmission Control Protocol) correnti.

public:
 abstract property long CurrentConnections { long get(); };

public abstract long CurrentConnections { get; }

member this.CurrentConnections : int64

Public MustOverride ReadOnly Property CurrentConnections As Long

Valore della proprietà

Int64

Valore Int64 che specifica il numero totale di connessioni tramite protocollo TCP correnti.

Esempio

Nell'esempio di codice seguente vengono visualizzate le informazioni di connessione.

void ShowTcpConnectionStatistics()
{
   IPGlobalProperties ^ properties = IPGlobalProperties::GetIPGlobalProperties();
   TcpStatistics ^ tcpstat = properties->GetTcpIPv4Statistics();
   Console::WriteLine( "  Connection Data:" );
   Console::WriteLine( "      Current  ............................ : {0}", 
       tcpstat->CurrentConnections );
   Console::WriteLine( "      Cumulative .......................... : {0}", 
       tcpstat->CumulativeConnections );
   Console::WriteLine( "      Initiated ........................... : {0}", 
       tcpstat->ConnectionsInitiated );
   Console::WriteLine( "      Accepted ............................ : {0}", 
       tcpstat->ConnectionsAccepted );
   Console::WriteLine( "      Failed Attempts ..................... : {0}", 
       tcpstat->FailedConnectionAttempts );
   Console::WriteLine( "      Reset ............................... : {0}", 
       tcpstat->ResetConnections );
   Console::WriteLine( "      Errors .............................. : {0}", 
       tcpstat->ErrorsReceived );
}

public static void ShowTcpConnectionStatistics()
{
    IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
    TcpStatistics tcpstat = properties.GetTcpIPv4Statistics();

    Console.WriteLine("  Connection Data:");
    Console.WriteLine("      Current  ............................ : {0}",
        tcpstat.CurrentConnections);
    Console.WriteLine("      Cumulative .......................... : {0}",
        tcpstat.CumulativeConnections);
    Console.WriteLine("      Initiated ........................... : {0}",
        tcpstat.ConnectionsInitiated);
    Console.WriteLine("      Accepted ............................ : {0}",
        tcpstat.ConnectionsAccepted);
    Console.WriteLine("      Failed Attempts ..................... : {0}",
        tcpstat.FailedConnectionAttempts);
    Console.WriteLine("      Reset ............................... : {0}",
        tcpstat.ResetConnections);
    Console.WriteLine("      Errors .............................. : {0}",
        tcpstat.ErrorsReceived);
    Console.WriteLine();
}

Public Shared Sub ShowTcpConnectionStatistics() 
    Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
    Dim tcpstat As TcpStatistics = properties.GetTcpIPv4Statistics()
    
    Console.WriteLine("  Connection Data:")
    Console.WriteLine("      Current  ............................ : {0}", tcpstat.CurrentConnections)
    Console.WriteLine("      Cumulative .......................... : {0}", tcpstat.CumulativeConnections)
    Console.WriteLine("      Initiated ........................... : {0}", tcpstat.ConnectionsInitiated)
    Console.WriteLine("      Accepted ............................ : {0}", tcpstat.ConnectionsAccepted)
    Console.WriteLine("      Failed Attempts ..................... : {0}", tcpstat.FailedConnectionAttempts)
    Console.WriteLine("      Reset ............................... : {0}", tcpstat.ResetConnections)
    Console.WriteLine("      Errors .............................. : {0}", tcpstat.ErrorsReceived)

End Sub

Commenti

IETF RFC 2012 definisce formalmente questo valore come "Numero di connessioni TCP per cui lo stato corrente è ESTABLISHED o CLOSE-WAIT".