Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / IPEndPoint.cs / 1 / IPEndPoint.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System.Net.Sockets; using System.Globalization; ////// [Serializable] public class IPEndPoint : EndPoint { ////// Provides an IP address. /// ////// public const int MinPort = 0x00000000; ////// Specifies the minimum acceptable value for the ////// property. /// /// public const int MaxPort = 0x0000FFFF; private IPAddress m_Address; private int m_Port; internal const int AnyPort = MinPort; internal static IPEndPoint Any = new IPEndPoint(IPAddress.Any, AnyPort); internal static IPEndPoint IPv6Any = new IPEndPoint(IPAddress.IPv6Any,AnyPort); ////// Specifies the maximum acceptable value for the ////// property. /// /// public override AddressFamily AddressFamily { get { // // IPv6 Changes: Always delegate this to the address we are // wrapping. // return m_Address.AddressFamily; } } ///[To be supplied.] ////// public IPEndPoint(long address, int port) { if (!ValidationHelper.ValidateTcpPort(port)) { throw new ArgumentOutOfRangeException("port"); } m_Port = port; m_Address = new IPAddress(address); } ///Creates a new instance of the IPEndPoint class with the specified address and /// port. ////// public IPEndPoint(IPAddress address, int port) { if (address==null) { throw new ArgumentNullException("address"); } if (!ValidationHelper.ValidateTcpPort(port)) { throw new ArgumentOutOfRangeException("port"); } m_Port = port; m_Address = address; } ///Creates a new instance of the IPEndPoint class with the specified address and port. ////// public IPAddress Address { get { return m_Address; } set { m_Address = value; } } ////// Gets or sets the IP address. /// ////// public int Port { get { return m_Port; } set { if (!ValidationHelper.ValidateTcpPort(value)) { throw new ArgumentOutOfRangeException("value"); } m_Port = value; } } ////// Gets or sets the port. /// ////// public override string ToString() { return Address.ToString() + ":" + Port.ToString(NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// public override SocketAddress Serialize() { if ( m_Address.AddressFamily == AddressFamily.InterNetworkV6 ) { // // IPv6 Changes: create a new SocketAddress that is large enough for an // IPv6 address and then pack the address into it. // SocketAddress socketAddress = new SocketAddress(this.AddressFamily, SocketAddress.IPv6AddressSize); // // populate it // int port = this.Port; socketAddress[2] = (byte)(port>> 8); socketAddress[3] = (byte)port; // // Note: No handling for Flow Information // socketAddress[4] = (byte)0; socketAddress[5] = (byte)0; socketAddress[6] = (byte)0; socketAddress[7] = (byte)0; // // Scope serialization // long scope = this.Address.ScopeId; socketAddress[24] = (byte)scope; socketAddress[25] = (byte)(scope >> 8); socketAddress[26] = (byte)(scope >> 16); socketAddress[27] = (byte)(scope >> 24); // // Address serialization // byte[] addressBytes = this.Address.GetAddressBytes(); for ( int i = 0; i < addressBytes.Length; i++ ) { socketAddress[8 + i] = addressBytes[i]; } GlobalLog.Print("IPEndPoint::Serialize(IPv6): " + this.ToString() ); // // return it // return socketAddress; } else { // // create a new SocketAddress // SocketAddress socketAddress = new SocketAddress(m_Address.AddressFamily, SocketAddress.IPv4AddressSize); // // populate it // socketAddress[2] = unchecked((byte)(this.Port>> 8)); socketAddress[3] = unchecked((byte)(this.Port )); socketAddress[4] = unchecked((byte)(this.Address.m_Address )); socketAddress[5] = unchecked((byte)(this.Address.m_Address>> 8)); socketAddress[6] = unchecked((byte)(this.Address.m_Address>>16)); socketAddress[7] = unchecked((byte)(this.Address.m_Address>>24)); GlobalLog.Print("IPEndPoint::Serialize: " + this.ToString() ); // // return it // return socketAddress; } } ///[To be supplied.] ////// public override EndPoint Create(SocketAddress socketAddress) { // // validate SocketAddress // if (socketAddress.Family != this.AddressFamily) { throw new ArgumentException(SR.GetString(SR.net_InvalidAddressFamily, socketAddress.Family.ToString(), this.GetType().FullName, this.AddressFamily.ToString()), "socketAddress"); } if (socketAddress.Size<8) { throw new ArgumentException(SR.GetString(SR.net_InvalidSocketAddressSize, socketAddress.GetType().FullName, this.GetType().FullName), "socketAddress"); } if ( this.AddressFamily == AddressFamily.InterNetworkV6 ) { // // IPv6 Changes: Extract the IPv6 Address information from the socket address // byte[] addr = new byte[IPAddress.IPv6AddressBytes]; for (int i = 0; i < addr.Length; i++) { addr[i] = socketAddress[i + 8]; } // // Port // int port = (int)((socketAddress[2]<<8 & 0xFF00) | (socketAddress[3])); // // Scope // long scope = (long)((socketAddress[27] << 24) + (socketAddress[26] << 16) + (socketAddress[25] << 8 ) + (socketAddress[24])); IPEndPoint created = new IPEndPoint(new IPAddress(addr,scope),port); GlobalLog.Print("IPEndPoint::Create IPv6: " + this.ToString() + " -> " + created.ToString() ); return created; } else { // // strip out of SocketAddress information on the EndPoint // int port = (int)( (socketAddress[2]<<8 & 0xFF00) | (socketAddress[3]) ); long address = (long)( (socketAddress[4] & 0x000000FF) | (socketAddress[5]<<8 & 0x0000FF00) | (socketAddress[6]<<16 & 0x00FF0000) | (socketAddress[7]<<24) ) & 0x00000000FFFFFFFF; IPEndPoint created = new IPEndPoint(address, port); GlobalLog.Print("IPEndPoint::Create: " + this.ToString() + " -> " + created.ToString() ); // // return it // return created; } } //UEUE public override bool Equals(object comparand) { if (!(comparand is IPEndPoint)) { return false; } return ((IPEndPoint)comparand).m_Address.Equals(m_Address) && ((IPEndPoint)comparand).m_Port==m_Port; } //UEUE public override int GetHashCode() { return m_Address.GetHashCode() ^ m_Port; } // For security, we need to be able to take an IPEndPoint and make a copy that's immutable and not derived. internal IPEndPoint Snapshot() { return new IPEndPoint(Address.Snapshot(), Port); } } // class IPEndPoint } // namespace System.Net[To be supplied.] ///
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