1 // 2 // Author: Atsushi Enomoto <atsushi@ximian.com> 3 // 4 // Copyright (C) 2009 Novell, Inc (http://www.novell.com) 5 // 6 // Permission is hereby granted, free of charge, to any person obtaining 7 // a copy of this software and associated documentation files (the 8 // "Software"), to deal in the Software without restriction, including 9 // without limitation the rights to use, copy, modify, merge, publish, 10 // distribute, sublicense, and/or sell copies of the Software, and to 11 // permit persons to whom the Software is furnished to do so, subject to 12 // the following conditions: 13 // 14 // The above copyright notice and this permission notice shall be 15 // included in all copies or substantial portions of the Software. 16 // 17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 // 25 using System; 26 using System.Collections.Generic; 27 using System.Collections.ObjectModel; 28 using System.Net.Sockets; 29 using System.ServiceModel; 30 using System.ServiceModel.Channels; 31 using System.ServiceModel.Description; 32 using System.ServiceModel.Dispatcher; 33 using System.ServiceModel.Discovery.Udp; 34 35 namespace System.ServiceModel.Discovery 36 { 37 public class UdpDiscoveryEndpoint : DiscoveryEndpoint 38 { 39 public static readonly Uri DefaultIPv4MulticastAddress = new Uri ("soap.udp://239.255.255.250:3702/"); 40 public static readonly Uri DefaultIPv6MulticastAddress = new Uri ("soap.udp://[FF02:0000:0000:0000:0000:0000:0000:000C]:3702/"); 41 42 internal static Uri DefaultMulticastAddress { 43 get { return Socket.SupportsIPv4 ? DefaultIPv4MulticastAddress : DefaultIPv6MulticastAddress; } 44 } 45 46 // (1)->(2) UdpDiscoveryEndpoint()47 public UdpDiscoveryEndpoint () 48 : this (DiscoveryVersion.WSDiscovery11) 49 { 50 } 51 52 // (2)->(6) UdpDiscoveryEndpoint(DiscoveryVersion discoveryVersion)53 public UdpDiscoveryEndpoint (DiscoveryVersion discoveryVersion) 54 : this (discoveryVersion, DefaultMulticastAddress) 55 { 56 } 57 58 // (3)->(4) UdpDiscoveryEndpoint(string multicastAddress)59 public UdpDiscoveryEndpoint (string multicastAddress) 60 : this (new Uri (multicastAddress)) 61 { 62 } 63 64 // (4)->(5) UdpDiscoveryEndpoint(Uri multicastAddress)65 public UdpDiscoveryEndpoint (Uri multicastAddress) 66 : this (DiscoveryVersion.WSDiscovery11, multicastAddress) 67 { 68 } 69 70 // (5)->(6) UdpDiscoveryEndpoint(DiscoveryVersion discoveryVersion, string multicastAddress)71 public UdpDiscoveryEndpoint (DiscoveryVersion discoveryVersion, string multicastAddress) 72 : this (discoveryVersion, new Uri (multicastAddress)) 73 { 74 } 75 76 // (6), everything falls to here. UdpDiscoveryEndpoint(DiscoveryVersion discoveryVersion, Uri multicastAddress)77 public UdpDiscoveryEndpoint (DiscoveryVersion discoveryVersion, Uri multicastAddress) 78 : base (discoveryVersion, ServiceDiscoveryMode.Adhoc, CreateBinding (discoveryVersion), new EndpointAddress (discoveryVersion.AdhocAddress)) 79 { 80 ListenUri = multicastAddress; 81 TransportSettings = new UdpTransportSettings (); 82 MulticastAddress = multicastAddress; 83 MaxResponseDelay = TimeSpan.FromMilliseconds (500); 84 Behaviors.Add (new DiscoveryViaUriBehavior (discoveryVersion, multicastAddress)); 85 } 86 CreateBinding(DiscoveryVersion discoveryVersion)87 static Binding CreateBinding (DiscoveryVersion discoveryVersion) 88 { 89 var mbe = new TextMessageEncodingBindingElement () {MessageVersion = discoveryVersion.MessageVersion}; 90 var tbe = new UdpTransportBindingElement (); 91 return new CustomBinding (mbe, tbe) {SendTimeout = TimeSpan.FromMinutes (1), ReceiveTimeout = TimeSpan.FromMinutes (10)}; 92 } 93 94 public Uri MulticastAddress { get; set; } 95 public UdpTransportSettings TransportSettings { get; private set; } 96 } 97 } 98