134 lines
3.6 KiB
C#
134 lines
3.6 KiB
C#
//
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// Mono.Unix.UnixEndPoint: EndPoint derived class for AF_UNIX family sockets.
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//
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// Authors:
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// Gonzalo Paniagua Javier (gonzalo@ximian.com)
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//
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// (C) 2003 Ximian, Inc (http://www.ximian.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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namespace Mono.Unix
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{
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[Serializable]
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public class UnixEndPoint : EndPoint
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{
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string filename;
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public UnixEndPoint (string filename)
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{
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if (filename == null)
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throw new ArgumentNullException ("filename");
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if (filename == "")
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throw new ArgumentException ("Cannot be empty.", "filename");
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this.filename = filename;
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}
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public string Filename {
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get {
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return(filename);
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}
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set {
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filename=value;
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}
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}
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public override AddressFamily AddressFamily {
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get { return AddressFamily.Unix; }
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}
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public override EndPoint Create (SocketAddress socketAddress)
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{
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/*
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* Should also check this
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*
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int addr = (int) AddressFamily.Unix;
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if (socketAddress [0] != (addr & 0xFF))
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throw new ArgumentException ("socketAddress is not a unix socket address.");
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if (socketAddress [1] != ((addr & 0xFF00) >> 8))
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throw new ArgumentException ("socketAddress is not a unix socket address.");
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*/
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if (socketAddress.Size == 2) {
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// Empty filename.
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// Probably from RemoteEndPoint which on linux does not return the file name.
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UnixEndPoint uep = new UnixEndPoint ("a");
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uep.filename = "";
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return uep;
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}
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int size = socketAddress.Size - 2;
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byte [] bytes = new byte [size];
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for (int i = 0; i < bytes.Length; i++) {
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bytes [i] = socketAddress [i + 2];
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// There may be junk after the null terminator, so ignore it all.
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if (bytes [i] == 0) {
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size = i;
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break;
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}
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}
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string name = Encoding.Default.GetString (bytes, 0, size);
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return new UnixEndPoint (name);
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}
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public override SocketAddress Serialize ()
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{
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byte [] bytes = Encoding.Default.GetBytes (filename);
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SocketAddress sa = new SocketAddress (AddressFamily, 2 + bytes.Length + 1);
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// sa [0] -> family low byte, sa [1] -> family high byte
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for (int i = 0; i < bytes.Length; i++)
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sa [2 + i] = bytes [i];
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//NULL suffix for non-abstract path
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sa[2 + bytes.Length] = 0;
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return sa;
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}
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public override string ToString() {
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return(filename);
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}
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public override int GetHashCode ()
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{
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return filename.GetHashCode ();
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}
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public override bool Equals (object o)
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{
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UnixEndPoint other = o as UnixEndPoint;
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if (other == null)
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return false;
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return (other.filename == filename);
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}
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}
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}
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