IPAddress 클래스

정의

IP(인터넷 프로토콜) 주소를 제공합니다.Provides an Internet Protocol (IP) address.

public ref class IPAddress
[System.Serializable]
public class IPAddress
type IPAddress = class
Public Class IPAddress
상속
IPAddress
특성

예제

다음 코드 예제에서는 서버를 쿼리하여 제품군 주소 및 지 원하는 IP 주소를 가져오는 방법을 보여 줍니다.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

설명

IPAddress 클래스는 IP 네트워크에 있는 컴퓨터의 주소를 포함 합니다.The IPAddress class contains the address of a computer on an IP network.

생성자

IPAddress(Byte[])

IPAddress 배열로 지정된 주소를 사용하여 Byte 클래스의 새 인스턴스를 초기화합니다.Initializes a new instance of the IPAddress class with the address specified as a Byte array.

IPAddress(Byte[], Int64)

IPAddress 배열로 지정된 주소와 지정된 범위 식별자를 사용하여 Byte 클래스의 새 인스턴스를 초기화합니다.Initializes a new instance of the IPAddress class with the address specified as a Byte array and the specified scope identifier.

IPAddress(Int64)

IPAddress로 지정된 주소를 사용하여 Int64 클래스의 새 인스턴스를 초기화합니다.Initializes a new instance of the IPAddress class with the address specified as an Int64.

IPAddress(ReadOnlySpan<Byte>)
IPAddress(ReadOnlySpan<Byte>, Int64)

필드

Any

서버에서 모든 네트워크 인터페이스의 클라이언트 동작을 수신 대기해야 함을 나타내는 IP 주소를 제공합니다.Provides an IP address that indicates that the server must listen for client activity on all network interfaces. 이 필드는 읽기 전용입니다.This field is read-only.

Broadcast

IP 브로드캐스트 주소를 제공합니다.Provides the IP broadcast address. 이 필드는 읽기 전용입니다.This field is read-only.

IPv6Any

Bind(EndPoint) 메서드는 IPv6Any 필드를 사용하여 Socket이 모든 네트워크 인터페이스에서 클라이언트 동작을 수신 대기해야 함을 나타냅니다.The Bind(EndPoint) method uses the IPv6Any field to indicate that a Socket must listen for client activity on all network interfaces.

IPv6Loopback

IP 루프백 주소를 제공합니다.Provides the IP loopback address. 이 속성은 읽기 전용입니다.This property is read-only.

IPv6None

네트워크 인터페이스를 사용하지 않아야 함을 나타내는 IP 주소를 제공합니다.Provides an IP address that indicates that no network interface should be used. 이 속성은 읽기 전용입니다.This property is read-only.

Loopback

IP 루프백 주소를 제공합니다.Provides the IP loopback address. 이 필드는 읽기 전용입니다.This field is read-only.

None

네트워크 인터페이스를 사용하지 않아야 함을 나타내는 IP 주소를 제공합니다.Provides an IP address that indicates that no network interface should be used. 이 필드는 읽기 전용입니다.This field is read-only.

속성

Address

IP(인터넷 프로토콜) 주소입니다.An Internet Protocol (IP) address.

AddressFamily

IP 주소의 주소 패밀리를 가져옵니다.Gets the address family of the IP address.

IsIPv4MappedToIPv6

IP 주소가 IPv4-매핑된 IPv6 주소인지 여부를 가져옵니다.Gets whether the IP address is an IPv4-mapped IPv6 address.

IsIPv6LinkLocal

주소가 IPv6 링크 로컬 주소인지 여부를 가져옵니다.Gets whether the address is an IPv6 link local address.

IsIPv6Multicast

주소가 IPv6 멀티캐스트 전역 주소인지 여부를 가져옵니다.Gets whether the address is an IPv6 multicast global address.

IsIPv6SiteLocal

주소가 IPv6 사이트 로컬 주소인지 여부를 가져옵니다.Gets whether the address is an IPv6 site local address.

IsIPv6Teredo

주소가 IPv6 Teredo 주소인지 여부를 가져옵니다.Gets whether the address is an IPv6 Teredo address.

ScopeId

IPv6 주소 범위 식별자를 가져오거나 설정합니다.Gets or sets the IPv6 address scope identifier.

메서드

Equals(Object)

두 개의 IP 주소를 비교합니다.Compares two IP addresses.

GetAddressBytes()

IPAddress의 복사본을 바이트 배열로 제공합니다.Provides a copy of the IPAddress as an array of bytes.

GetHashCode()

IP 주소에 대한 해시 값을 반환합니다.Returns a hash value for an IP address.

GetType()

현재 인스턴스의 Type을 가져옵니다.Gets the Type of the current instance.

(다음에서 상속됨 Object)
HostToNetworkOrder(Int16)

short 값을 호스트 바이트 순서에서 네트워크 바이트 순서로 변환합니다.Converts a short value from host byte order to network byte order.

HostToNetworkOrder(Int32)

정수 값을 호스트 바이트 순서에서 네트워크 바이트 순서로 변환합니다.Converts an integer value from host byte order to network byte order.

HostToNetworkOrder(Int64)

호스트 바이트 순서에서 네트워크 바이트 순서로 long 값을 변환합니다.Converts a long value from host byte order to network byte order.

IsLoopback(IPAddress)

지정된 IP 주소가 루프백 주소인지 여부를 나타냅니다.Indicates whether the specified IP address is the loopback address.

MapToIPv4()

IPAddress 개체를 IPv4 주소로 매핑합니다.Maps the IPAddress object to an IPv4 address.

MapToIPv6()

IPAddress 개체를 IPv6 주소로 매핑합니다.Maps the IPAddress object to an IPv6 address.

MemberwiseClone()

현재 Object의 단순 복사본을 만듭니다.Creates a shallow copy of the current Object.

(다음에서 상속됨 Object)
NetworkToHostOrder(Int16)

short 값을 네트워크 바이트 순서에서 호스트 바이트 순서로 변환합니다.Converts a short value from network byte order to host byte order.

NetworkToHostOrder(Int32)

정수 값을 네트워크 바이트 순서에서 호스트 바이트 순서로 변환합니다.Converts an integer value from network byte order to host byte order.

NetworkToHostOrder(Int64)

long 값을 네트워크 바이트 순서에서 호스트 바이트 순서로 변환합니다.Converts a long value from network byte order to host byte order.

Parse(ReadOnlySpan<Char>)
Parse(String)

IP 주소 문자열을 IPAddress 인스턴스로 변환합니다.Converts an IP address string to an IPAddress instance.

ToString()

인터넷 주소를 표준 표기법으로 변환합니다.Converts an Internet address to its standard notation.

TryFormat(Span<Char>, Int32)
TryParse(ReadOnlySpan<Char>, IPAddress)
TryParse(String, IPAddress)

문자열이 유효한 IP 주소인지 확인합니다.Determines whether a string is a valid IP address.

TryWriteBytes(Span<Byte>, Int32)

적용 대상