IPAddress Klasa

Definicja

Udostępnia adres IP.Provides an Internet Protocol (IP) address.

public ref class IPAddress
[System.Serializable]
public class IPAddress
type IPAddress = class
Public Class IPAddress
Dziedziczenie
IPAddress
Atrybuty

Przykłady

Poniższy przykład kodu pokazuje, jak zbadać serwer, aby uzyskać adresy rodziny i obsługiwane przez niego adresy IP.The following code example shows how to query a server to obtain the family addresses and the IP addresses it supports.

// This program shows how to use the IPAddress class to obtain a server 
// IP addressess and related information.
#using <System.dll>

using namespace System;
using namespace System::Net;
using namespace System::Net::Sockets;
using namespace System::Text::RegularExpressions;

/**
* The IPAddresses method obtains the selected server IP address information.
* It then displays the type of address family supported by the server and its 
* IP address in standard and byte format.
**/
void IPAddresses( String^ server )
{
   try
   {
      System::Text::ASCIIEncoding^ ASCII = gcnew System::Text::ASCIIEncoding;
      
      // Get server related information.
      IPHostEntry^ heserver = Dns::GetHostEntry( server );
      
      // Loop on the AddressList
      System::Collections::IEnumerator^ myEnum = heserver->AddressList->GetEnumerator();
      while ( myEnum->MoveNext() )
      {
         IPAddress^ curAdd = safe_cast<IPAddress^>(myEnum->Current);
         
         // Display the type of address family supported by the server. If the
         // server is IPv6-enabled this value is: InterNetworkV6. If the server
         // is also IPv4-enabled there will be an additional value of InterNetwork.
         Console::WriteLine( "AddressFamily: {0}", curAdd->AddressFamily );
         
         // Display the ScopeId property in case of IPV6 addresses.
         if ( curAdd->AddressFamily.ToString() == ProtocolFamily::InterNetworkV6.ToString() )
                  Console::WriteLine( "Scope Id: {0}", curAdd->ScopeId );

         // Display the server IP address in the standard format. In 
         // IPv4 the format will be dotted-quad notation, in IPv6 it will be
         // in in colon-hexadecimal notation.
         Console::WriteLine( "Address: {0}", curAdd );
         
         // Display the server IP address in byte format.
         Console::Write( "AddressBytes: " );
         
         array<Byte>^bytes = curAdd->GetAddressBytes();
         for ( int i = 0; i < bytes->Length; i++ )
         {
            Console::Write( bytes[ i ] );

         }

         Console::WriteLine( "\r\n" );
      }
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "[DoResolve] Exception: {0}", e );
   }

}


// This IPAddressAdditionalInfo displays additional server address information.
void IPAddressAdditionalInfo()
{
   try
   {
      // Display the flags that show if the server supports IPv4 or IPv6
      // address schemas.
      Console::WriteLine( "\r\nSupportsIPv4: {0}", Socket::SupportsIPv4 );
      Console::WriteLine( "SupportsIPv6: {0}", Socket::SupportsIPv6 );
      if ( Socket::SupportsIPv6 )
      {
         // Display the server Any address. This IP address indicates that the server 
         // should listen for client activity on all network interfaces. 
         Console::WriteLine( "\r\nIPv6Any: {0}", IPAddress::IPv6Any );

         // Display the server loopback address. 
         Console::WriteLine( "IPv6Loopback: {0}", IPAddress::IPv6Loopback );

         // Used during autoconfiguration first phase.
         Console::WriteLine( "IPv6None: {0}", IPAddress::IPv6None );
         Console::WriteLine( "IsLoopback(IPv6Loopback): {0}", IPAddress::IsLoopback( IPAddress::IPv6Loopback ) );
      }
      Console::WriteLine( "IsLoopback(Loopback): {0}", IPAddress::IsLoopback( IPAddress::Loopback ) );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "[IPAddresses] Exception: {0}", e );
   }

}

int main()
{
   array<String^>^args = Environment::GetCommandLineArgs();
   String^ server = nullptr;

   // Define a regular expression to parse user's input.
   // This is a security check. It allows only
   // alphanumeric input string between 2 to 40 character long.
   Regex^ rex = gcnew Regex( "^[a-zA-Z]\\w{1,39}$" );
   if ( args->Length < 2 )
   {
      // If no server name is passed as an argument to this program, use the current 
      // server name as default.
      server = Dns::GetHostName();
      Console::WriteLine( "Using current host: {0}", server );
   }
   else
   {
      server = args[ 1 ];
      if (  !(rex->Match(server))->Success )
      {
         Console::WriteLine( "Input string format not allowed." );
         return  -1;
      }
   }

   // Get the list of the addresses associated with the requested server.
   IPAddresses( server );

   // Get additonal address information.
   IPAddressAdditionalInfo();
}

// This program shows how to use the IPAddress class to obtain a server 
// IP addressess and related information.

using System;
using System.Net;
using System.Net.Sockets;
using System.Text.RegularExpressions;

namespace Mssc.Services.ConnectionManagement
{

  class TestIPAddress 
  {

    /**
      * The IPAddresses method obtains the selected server IP address information.
      * It then displays the type of address family supported by the server and its 
      * IP address in standard and byte format.
      **/
    private static void IPAddresses(string server) 
    {
      try 
      {
        System.Text.ASCIIEncoding ASCII = new System.Text.ASCIIEncoding();
  
        // Get server related information.
        IPHostEntry heserver = Dns.GetHostEntry(server);

        // Loop on the AddressList
        foreach (IPAddress curAdd in heserver.AddressList) 
        {


          // Display the type of address family supported by the server. If the
          // server is IPv6-enabled this value is: InterNetworkV6. If the server
          // is also IPv4-enabled there will be an additional value of InterNetwork.
          Console.WriteLine("AddressFamily: " + curAdd.AddressFamily.ToString());
          
          // Display the ScopeId property in case of IPV6 addresses.
          if(curAdd.AddressFamily.ToString() == ProtocolFamily.InterNetworkV6.ToString())
            Console.WriteLine("Scope Id: " + curAdd.ScopeId.ToString());


          // Display the server IP address in the standard format. In 
          // IPv4 the format will be dotted-quad notation, in IPv6 it will be
          // in in colon-hexadecimal notation.
          Console.WriteLine("Address: " + curAdd.ToString());
        
          // Display the server IP address in byte format.
          Console.Write("AddressBytes: ");

          Byte[] bytes = curAdd.GetAddressBytes();
          for (int i = 0; i < bytes.Length; i++) 
          {
            Console.Write(bytes[i]);
          }                          

          Console.WriteLine("\r\n");

        }

      }
      catch (Exception e) 
      {
        Console.WriteLine("[DoResolve] Exception: " + e.ToString());
      }
    }

    // This IPAddressAdditionalInfo displays additional server address information.
    private static void IPAddressAdditionalInfo() 
    {
      try 
      {
        // Display the flags that show if the server supports IPv4 or IPv6
        // address schemas.
        Console.WriteLine("\r\nSupportsIPv4: " + Socket.SupportsIPv4);
        Console.WriteLine("SupportsIPv6: " + Socket.SupportsIPv6);

        if (Socket.SupportsIPv6)
        {
          // Display the server Any address. This IP address indicates that the server 
          // should listen for client activity on all network interfaces. 
          Console.WriteLine("\r\nIPv6Any: " + IPAddress.IPv6Any.ToString());

          // Display the server loopback address. 
          Console.WriteLine("IPv6Loopback: " + IPAddress.IPv6Loopback.ToString());
      
          // Used during autoconfiguration first phase.
          Console.WriteLine("IPv6None: " + IPAddress.IPv6None.ToString());
      
          Console.WriteLine("IsLoopback(IPv6Loopback): " + IPAddress.IsLoopback(IPAddress.IPv6Loopback));
        }
        Console.WriteLine("IsLoopback(Loopback): " + IPAddress.IsLoopback(IPAddress.Loopback));
      }
      catch (Exception e) 
      {
        Console.WriteLine("[IPAddresses] Exception: " + e.ToString());
      }
    }

    public static void Main(string[] args) 
    {
      string server = null;
    
      // Define a regular expression to parse user's input.
      // This is a security check. It allows only
      // alphanumeric input string between 2 to 40 character long.
      Regex rex = new Regex(@"^[a-zA-Z]\w{1,39}$");

      if (args.Length < 1)
      {
        // If no server name is passed as an argument to this program, use the current 
        // server name as default.
        server = Dns.GetHostName();
        Console.WriteLine("Using current host: " + server);
      }
      else
      {
        server = args[0];
        if (!(rex.Match(server)).Success)
        {
          Console.WriteLine("Input string format not allowed.");
          return;
        }
      }

      // Get the list of the addresses associated with the requested server.
      IPAddresses(server);
    
      // Get additonal address information.
      IPAddressAdditionalInfo();
    }

  }
}
' This program shows how to use the IPAddress class to obtain a server 
' IP addressess and related information.
Imports System.Net
Imports System.Net.Sockets
Imports System.Text.RegularExpressions

Namespace Mssc.Services.ConnectionManagement
  Module M_TestIPAddress

    Class TestIPAddress

      'The IPAddresses method obtains the selected server IP address information.
      'It then displays the type of address family supported by the server and 
      'its IP address in standard and byte format.
      Private Shared Sub IPAddresses(ByVal server As String)
        Try
          Dim ASCII As New System.Text.ASCIIEncoding()

          ' Get server related information.
          Dim heserver As IPHostEntry = Dns.Resolve(server)

          ' Loop on the AddressList
          Dim curAdd As IPAddress
          For Each curAdd In heserver.AddressList

            ' Display the type of address family supported by the server. If the
            ' server is IPv6-enabled this value is: InterNetworkV6. If the server
            ' is also IPv4-enabled there will be an additional value of InterNetwork.
            Console.WriteLine(("AddressFamily: " + curAdd.AddressFamily.ToString()))

            ' Display the ScopeId property in case of IPV6 addresses.
            If curAdd.AddressFamily.ToString() = ProtocolFamily.InterNetworkV6.ToString() Then
              Console.WriteLine(("Scope Id: " + curAdd.ScopeId.ToString()))
            End If

            ' Display the server IP address in the standard format. In 
            ' IPv4 the format will be dotted-quad notation, in IPv6 it will be
            ' in in colon-hexadecimal notation.
            Console.WriteLine(("Address: " + curAdd.ToString()))

            ' Display the server IP address in byte format.
            Console.Write("AddressBytes: ")



            Dim bytes As [Byte]() = curAdd.GetAddressBytes()
            Dim i As Integer
            For i = 0 To bytes.Length - 1
              Console.Write(bytes(i))
            Next i
            Console.WriteLine(ControlChars.Cr + ControlChars.Lf)
          Next curAdd 

        Catch e As Exception
          Console.WriteLine(("[DoResolve] Exception: " + e.ToString()))
        End Try
      End Sub


      ' This IPAddressAdditionalInfo displays additional server address information.
      Private Shared Sub IPAddressAdditionalInfo()
        Try
          ' Display the flags that show if the server supports IPv4 or IPv6
          ' address schemas.
          Console.WriteLine((ControlChars.Cr + ControlChars.Lf + "SupportsIPv4: " + Socket.SupportsIPv4.ToString()))
          Console.WriteLine(("SupportsIPv6: " + Socket.SupportsIPv6.ToString()))

          If Socket.SupportsIPv6 Then
            ' Display the server Any address. This IP address indicates that the server 
            ' should listen for client activity on all network interfaces. 
            Console.WriteLine((ControlChars.Cr + ControlChars.Lf + "IPv6Any: " + IPAddress.IPv6Any.ToString()))

            ' Display the server loopback address. 
            Console.WriteLine(("IPv6Loopback: " + IPAddress.IPv6Loopback.ToString()))

            ' Used during autoconfiguration first phase.
            Console.WriteLine(("IPv6None: " + IPAddress.IPv6None.ToString()))

            Console.WriteLine(("IsLoopback(IPv6Loopback): " + IPAddress.IsLoopback(IPAddress.IPv6Loopback).ToString()))
          End If
          Console.WriteLine(("IsLoopback(Loopback): " + IPAddress.IsLoopback(IPAddress.Loopback).ToString()))
        Catch e As Exception
          Console.WriteLine(("[IPAddresses] Exception: " + e.ToString()))
        End Try
      End Sub

      Public Shared Sub Main(ByVal args() As String)
        Dim server As String = Nothing

        ' Define a regular expression to parse user's input.
        ' This is a security check. It allows only
        ' alphanumeric input string between 2 to 40 character long.
        Dim rex As New Regex("^[a-zA-Z]\w{1,39}$")

        If args.Length < 1 Then
          ' If no server name is passed as an argument to this program, use the current 
          ' server name as default.
          server = Dns.GetHostName()
          Console.WriteLine(("Using current host: " + server))
        Else
          server = args(0)
          If Not rex.Match(server).Success Then
            Console.WriteLine("Input string format not allowed.")
            Return
          End If
        End If

        ' Get the list of the addresses associated with the requested server.
        IPAddresses(server)

        ' Get additonal address information.
        IPAddressAdditionalInfo()
      End Sub
    End Class
  End Module
End Namespace

Uwagi

Klasa IPAddress zawiera adres komputera w sieci IP.The IPAddress class contains the address of a computer on an IP network.

Konstruktory

IPAddress(Byte[])

Inicjuje nowe wystąpienie klasy IPAddress z adresem określonym jako tablica Byte.Initializes a new instance of the IPAddress class with the address specified as a Byte array.

IPAddress(Byte[], Int64)

Inicjuje nowe wystąpienie klasy IPAddress z adresem określonym jako tablica Byte i określonym identyfikatorem zakresu.Initializes a new instance of the IPAddress class with the address specified as a Byte array and the specified scope identifier.

IPAddress(Int64)

Inicjuje nowe wystąpienie klasy IPAddress z adresem określonym jako Int64.Initializes a new instance of the IPAddress class with the address specified as an Int64.

IPAddress(ReadOnlySpan<Byte>)

Inicjuje nowe wystąpienie klasy IPAddress z adresem określonym jako zakres bajtów.Initializes a new instance of the IPAddress class with the address specified as a byte span.

IPAddress(ReadOnlySpan<Byte>, Int64)

Inicjuje nowe wystąpienie klasy IPAddress z adresem określonym jako zakres bajtów i określonym identyfikatorem zakresu.Initializes a new instance of the IPAddress class with the address specified as a byte span and the specified scope identifier.

Pola

Any

Udostępnia adres IP wskazujący, że serwer musi nasłuchiwać aktywności klienta na wszystkich interfejsach sieciowych.Provides an IP address that indicates that the server must listen for client activity on all network interfaces. To pole jest tylko do odczytu.This field is read-only.

Broadcast

Udostępnia adres emisji adresów IP.Provides the IP broadcast address. To pole jest tylko do odczytu.This field is read-only.

IPv6Any

Metoda Bind(EndPoint) używa pola IPv6Any, aby wskazać, że Socket musi nasłuchiwać aktywności klienta na wszystkich interfejsach sieciowych.The Bind(EndPoint) method uses the IPv6Any field to indicate that a Socket must listen for client activity on all network interfaces.

IPv6Loopback

Udostępnia adres IP sprzężenia zwrotnego.Provides the IP loopback address. Ta właściwość jest tylko do odczytu.This property is read-only.

IPv6None

Udostępnia adres IP wskazujący, że nie należy używać interfejsu sieciowego.Provides an IP address that indicates that no network interface should be used. Ta właściwość jest tylko do odczytu.This property is read-only.

Loopback

Udostępnia adres IP sprzężenia zwrotnego.Provides the IP loopback address. To pole jest tylko do odczytu.This field is read-only.

None

Udostępnia adres IP wskazujący, że nie należy używać interfejsu sieciowego.Provides an IP address that indicates that no network interface should be used. To pole jest tylko do odczytu.This field is read-only.

Właściwości

Address

Adres protokołu internetowego (IP).An Internet Protocol (IP) address.

AddressFamily

Pobiera rodzinę adresów IP.Gets the address family of the IP address.

IsIPv4MappedToIPv6

Określa, czy adres IP jest adresem IPv6 mapowanym na adres IPv4.Gets whether the IP address is an IPv4-mapped IPv6 address.

IsIPv6LinkLocal

Określa, czy adres jest adresem lokalnym linku IPv6.Gets whether the address is an IPv6 link local address.

IsIPv6Multicast

Określa, czy adres jest adresem globalnym multiemisji IPv6.Gets whether the address is an IPv6 multicast global address.

IsIPv6SiteLocal

Określa, czy adres jest adresem lokalnym witryny IPv6.Gets whether the address is an IPv6 site local address.

IsIPv6Teredo

Określa, czy adres jest adresem IPv6 Teredo.Gets whether the address is an IPv6 Teredo address.

ScopeId

Pobiera lub ustawia identyfikator zakresu adresów IPv6.Gets or sets the IPv6 address scope identifier.

Metody

Equals(Object)

Porównuje dwa adresy IP.Compares two IP addresses.

GetAddressBytes()

Zawiera kopię IPAddress jako tablicę bajtów.Provides a copy of the IPAddress as an array of bytes.

GetHashCode()

Zwraca wartość skrótu dla adresu IP.Returns a hash value for an IP address.

GetType()

Pobiera Type bieżącego wystąpienia.Gets the Type of the current instance.

(Odziedziczone po Object)
HostToNetworkOrder(Int16)

Konwertuje krótką wartość z kolejności bajtów hosta na kolejność bajtów sieci.Converts a short value from host byte order to network byte order.

HostToNetworkOrder(Int32)

Konwertuje liczbę całkowitą z kolejności bajtów hosta na kolejność bajtów sieci.Converts an integer value from host byte order to network byte order.

HostToNetworkOrder(Int64)

Konwertuje wartość długową z kolejności bajtów hosta na kolejność bajtów sieci.Converts a long value from host byte order to network byte order.

IsLoopback(IPAddress)

Wskazuje, czy określony adres IP jest adresem sprzężenia zwrotnego.Indicates whether the specified IP address is the loopback address.

MapToIPv4()

Mapuje obiekt IPAddress na adres IPv4.Maps the IPAddress object to an IPv4 address.

MapToIPv6()

Mapuje obiekt IPAddress na adres IPv6.Maps the IPAddress object to an IPv6 address.

MemberwiseClone()

Tworzy skróconą kopię bieżącego Object.Creates a shallow copy of the current Object.

(Odziedziczone po Object)
NetworkToHostOrder(Int16)

Konwertuje krótką wartość z kolejności bajtów sieciowych na kolejność bajtów hosta.Converts a short value from network byte order to host byte order.

NetworkToHostOrder(Int32)

Konwertuje liczbę całkowitą z kolejności bajtów sieciowych na kolejność bajtów hosta.Converts an integer value from network byte order to host byte order.

NetworkToHostOrder(Int64)

Konwertuje wartość długową z kolejności bajtów sieciowych na kolejność bajtów hosta.Converts a long value from network byte order to host byte order.

Parse(ReadOnlySpan<Char>)

Konwertuje adres IP reprezentowany jako zakres znaków na wystąpienie IPAddress.Converts an IP address represented as a character span to an IPAddress instance.

Parse(String)

Konwertuje ciąg adresu IP na wystąpienie IPAddress.Converts an IP address string to an IPAddress instance.

ToString()

Konwertuje adres internetowy na notację standardową.Converts an Internet address to its standard notation.

TryFormat(Span<Char>, Int32)

Próbuje sformatować bieżący adres IP do podanego zakresu.Tries to format the current IP address into the provided span.

TryParse(ReadOnlySpan<Char>, IPAddress)

Określa, czy określony zakres bajtów reprezentuje prawidłowy adres IP.Determines whether the specified byte span represents a valid IP address.

TryParse(String, IPAddress)

Określa, czy ciąg jest prawidłowym adresem IP.Determines whether a string is a valid IP address.

TryWriteBytes(Span<Byte>, Int32)

Próbuje zapisać bieżący adres IP w zakresie bajtów.Tries to write the current IP address into a span of bytes.

Dotyczy