1 // 2 // Mono.Unix.AbstractUnixEndPoint: EndPoint derived class for AF_UNIX family sockets. 3 // 4 // Authors: 5 // Gonzalo Paniagua Javier (gonzalo@ximian.com) 6 // Alp Toker (alp@atoker.com) 7 // 8 // (C) 2003 Ximian, Inc (http://www.ximian.com) 9 // (C) 2006 Alp Toker 10 // 11 12 // 13 // Permission is hereby granted, free of charge, to any person obtaining 14 // a copy of this software and associated documentation files (the 15 // "Software"), to deal in the Software without restriction, including 16 // without limitation the rights to use, copy, modify, merge, publish, 17 // distribute, sublicense, and/or sell copies of the Software, and to 18 // permit persons to whom the Software is furnished to do so, subject to 19 // the following conditions: 20 // 21 // The above copyright notice and this permission notice shall be 22 // included in all copies or substantial portions of the Software. 23 // 24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 31 // 32 using System; 33 using System.Net; 34 using System.Net.Sockets; 35 using System.Text; 36 37 namespace Mono.Unix 38 { 39 [Serializable] 40 public class AbstractUnixEndPoint : EndPoint 41 { 42 string path; 43 AbstractUnixEndPoint(string path)44 public AbstractUnixEndPoint (string path) 45 { 46 if (path == null) 47 throw new ArgumentNullException ("path"); 48 49 if (path == "") 50 throw new ArgumentException ("Cannot be empty.", "path"); 51 this.path = path; 52 } 53 54 public string Path { 55 get { 56 return(path); 57 } 58 set { 59 path=value; 60 } 61 } 62 63 public override AddressFamily AddressFamily { 64 get { return AddressFamily.Unix; } 65 } 66 Create(SocketAddress socketAddress)67 public override EndPoint Create (SocketAddress socketAddress) 68 { 69 /* 70 * Should also check this 71 * 72 int addr = (int) AddressFamily.Unix; 73 if (socketAddress [0] != (addr & 0xFF)) 74 throw new ArgumentException ("socketAddress is not a unix socket address."); 75 76 if (socketAddress [1] != ((addr & 0xFF00) >> 8)) 77 throw new ArgumentException ("socketAddress is not a unix socket address."); 78 */ 79 80 byte [] bytes = new byte [socketAddress.Size - 2 - 1]; 81 for (int i = 0; i < bytes.Length; i++) { 82 bytes [i] = socketAddress [2 + 1 + i]; 83 } 84 85 string name = Encoding.Default.GetString (bytes); 86 return new AbstractUnixEndPoint (name); 87 } 88 Serialize()89 public override SocketAddress Serialize () 90 { 91 byte [] bytes = Encoding.Default.GetBytes (path); 92 SocketAddress sa = new SocketAddress (AddressFamily, 2 + 1 + bytes.Length); 93 //NULL prefix denotes the abstract namespace, see unix(7) 94 //in this case, there is no NULL suffix 95 sa [2] = 0; 96 97 // sa [0] -> family low byte, sa [1] -> family high byte 98 for (int i = 0; i < bytes.Length; i++) 99 sa [i + 2 + 1] = bytes [i]; 100 101 return sa; 102 } 103 ToString()104 public override string ToString() { 105 return(path); 106 } 107 GetHashCode()108 public override int GetHashCode () 109 { 110 return path.GetHashCode (); 111 } 112 Equals(object o)113 public override bool Equals (object o) 114 { 115 AbstractUnixEndPoint other = o as AbstractUnixEndPoint; 116 if (other == null) 117 return false; 118 119 return (other.path == path); 120 } 121 } 122 } 123 124