PingReply.RoundtripTime Propiedad

Definición

Espacio de nombres:

System.Net.NetworkInformation

Ensamblado:

System.Net.Ping.dll

Source:

PingReply.cs

Obtiene el número de milisegundos empleados en enviar una solicitud de eco del Protocolo de mensajes de control de Internet (ICMP) y recibir el mensaje de respuesta de eco ICMP correspondiente.

public:
 property long RoundtripTime { long get(); };

public long RoundtripTime { get; }

member this.RoundtripTime : int64

Public ReadOnly Property RoundtripTime As Long

Valor de propiedad

Int64

Int64 que especifica el tiempo de ida y vuelta en milisegundos.

Ejemplos

En el ejemplo de código siguiente se envía una solicitud de eco ICMP de forma sincrónica y se muestra el tamaño del búfer devuelto por esta propiedad.

void ComplexPing()
{
   Ping ^ pingSender = gcnew Ping;
   
   // Create a buffer of 32 bytes of data to be transmitted.
   String^ data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
   array<Byte>^buffer = Encoding::ASCII->GetBytes( data );
   
   // Wait 10 seconds for a reply.
   int timeout = 10000;
   
   // Set options for transmission:
   // The data can go through 64 gateways or routers
   // before it is destroyed, and the data packet
   // cannot be fragmented.
   PingOptions ^ options = gcnew PingOptions( 64,true );
   
   // Send the request.
   PingReply ^ reply = pingSender->Send( "www.contoso.com", timeout, buffer, options );
   if ( reply->Status == IPStatus::Success )
   {
      Console::WriteLine( "Address: {0}", reply->Address->ToString() );
      Console::WriteLine( "RoundTrip time: {0}", reply->RoundtripTime );
      Console::WriteLine( "Time to live: {0}", reply->Options->Ttl );
      Console::WriteLine( "Don't fragment: {0}", reply->Options->DontFragment );
      Console::WriteLine( "Buffer size: {0}", reply->Buffer->Length );
   }
   else
   {
      Console::WriteLine( reply->Status );
   }
}

public static void ComplexPing ()
{
    Ping pingSender = new Ping ();

    // Create a buffer of 32 bytes of data to be transmitted.
    string data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
    byte[] buffer = Encoding.ASCII.GetBytes (data);

    // Wait 10 seconds for a reply.
    int timeout = 10000;

    // Set options for transmission:
    // The data can go through 64 gateways or routers
    // before it is destroyed, and the data packet
    // cannot be fragmented.
    PingOptions options = new PingOptions (64, true);

    // Send the request.
    PingReply reply = pingSender.Send ("www.contoso.com", timeout, buffer, options);

    if (reply.Status == IPStatus.Success)
    {
        Console.WriteLine ("Address: {0}", reply.Address.ToString ());
        Console.WriteLine ("RoundTrip time: {0}", reply.RoundtripTime);
        Console.WriteLine ("Time to live: {0}", reply.Options.Ttl);
        Console.WriteLine ("Don't fragment: {0}", reply.Options.DontFragment);
        Console.WriteLine ("Buffer size: {0}", reply.Buffer.Length);
    }
    else
    {
        Console.WriteLine (reply.Status);
    }
}

Comentarios

Si se produce un error en la solicitud Echo, la RoundtripTime hora se notifica como 0, que también es un valor válido cuando la solicitud se realiza correctamente. Debe comprobar Status para determinar si se debe omitir el valor devuelto por esta propiedad.