mcs/class/System.ServiceModel.Discovery/System.ServiceModel.Discovery/UdpAnnouncementEndpoint.cs

   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 UdpAnnouncementEndpoint : AnnouncementEndpoint
  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)
  47                 public UdpAnnouncementEndpoint ()
  48                         : this (DiscoveryVersion.WSDiscovery11)
  49                 {
  50                 }
  51
  52                 // (2)->(6)
  53                 public UdpAnnouncementEndpoint (DiscoveryVersion discoveryVersion)
  54                         : this (discoveryVersion, DefaultMulticastAddress)
  55                 {
  56                 }
  57
  58                 // (3)->(4)
  59                 public UdpAnnouncementEndpoint (string multicastAddress)
  60                         : this (new Uri (multicastAddress))
  61                 {
  62                 }
  63
  64                 // (4)->(5)
  65                 public UdpAnnouncementEndpoint (Uri multicastAddress)
  66                         : this (DiscoveryVersion.WSDiscovery11, multicastAddress)
  67                 {
  68                 }
  69
  70                 // (5)->(6)
  71                 public UdpAnnouncementEndpoint (DiscoveryVersion discoveryVersion, string multicastAddress)
  72                         : this (discoveryVersion, new Uri (multicastAddress))
  73                 {
  74                 }
  75
  76                 // (6), everything falls to here
  77                 public UdpAnnouncementEndpoint (DiscoveryVersion discoveryVersion, Uri multicastAddress)
  78                         : base (discoveryVersion, CreateBinding (discoveryVersion), new EndpointAddress (discoveryVersion.AdhocAddress))
  79                 {
  80                         ListenUri = multicastAddress;
  81                         TransportSettings = new UdpTransportSettings ();
  82                         MulticastAddress = multicastAddress;
  83                         MaxAnnouncementDelay = TimeSpan.FromMilliseconds (500);
  84                         Behaviors.Add (new DiscoveryViaUriBehavior (discoveryVersion, multicastAddress));
  85                 }
  86
  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 }