mcs/class/System.ServiceModel.Discovery/System.ServiceModel.Discovery.Configuration/UdpAnnouncementEndpointElement.cs

   1 //
   2 // Author: Atsushi Enomoto <atsushi@ximian.com>
   3 //
   4 // Copyright (C) 2010 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.ComponentModel;
  27 using System.Configuration;
  28 using System.Linq;
  29 using System.ServiceModel.Configuration;
  30 using System.ServiceModel.Description;
  31 using System.ServiceModel.Discovery.Udp;
  32
  33 namespace System.ServiceModel.Discovery.Configuration
  34 {
  35         public class UdpAnnouncementEndpointElement : AnnouncementEndpointElement
  36         {
  37                 static ConfigurationPropertyCollection properties;
  38                 static ConfigurationProperty max_announcement_delay, multicast_address, transport_settings;
  39
  40                 static UdpAnnouncementEndpointElement ()
  41                 {
  42                         max_announcement_delay = new ConfigurationProperty ("maxAnnouncementDelay", typeof (TimeSpan), "00:00:00.500", new TimeSpanConverter (), null, ConfigurationPropertyOptions.None);
  43                         multicast_address = new ConfigurationProperty ("multicastAddress", typeof (Uri), "soap.udp://239.255.255.250:3702", new UriTypeConverter (), null, ConfigurationPropertyOptions.None);
  44                         transport_settings = new ConfigurationProperty ("transportSettings", typeof (UdpTransportSettingsElement), null, null, null, ConfigurationPropertyOptions.None);
  45                         properties = new ConfigurationPropertyCollection ();
  46                         properties.Add (max_announcement_delay);
  47                         properties.Add (multicast_address);
  48                         properties.Add (transport_settings);
  49                 }
  50
  51                 public UdpAnnouncementEndpointElement ()
  52                 {
  53                 }
  54
  55                 protected internal override Type EndpointType {
  56                         get { return typeof (UdpAnnouncementEndpoint); }
  57                 }
  58
  59                 [TypeConverter (typeof (TimeSpanConverter))]
  60                 [ConfigurationPropertyAttribute("maxAnnouncementDelay", DefaultValue = "00:00:00.500")]
  61                 public new TimeSpan MaxAnnouncementDelay {
  62                         get { return (TimeSpan) base [max_announcement_delay]; }
  63                         set { base [max_announcement_delay] = value; }
  64                 }
  65
  66                 [ConfigurationPropertyAttribute("multicastAddress", DefaultValue = "soap.udp://239.255.255.250:3702")]
  67                 public Uri MulticastAddress {
  68                         get { return (Uri) base [multicast_address]; }
  69                         set { base [multicast_address] = value; }
  70                 }
  71
  72                 [ConfigurationPropertyAttribute("transportSettings")]
  73                 public UdpTransportSettingsElement TransportSettings {
  74                         get { return (UdpTransportSettingsElement) base [transport_settings]; }
  75                 }
  76
  77                 protected override ConfigurationPropertyCollection Properties {
  78                         get { return properties; }
  79                 }
  80
  81                 protected internal override ServiceEndpoint CreateServiceEndpoint (ContractDescription contractDescription)
  82                 {
  83                         if (contractDescription == null)
  84                                 throw new ArgumentNullException ("contractDescription");
  85                         DiscoveryVersion ver = null;
  86                         switch (contractDescription.ContractType.Namespace) {
  87                         case DiscoveryVersion.Namespace11:
  88                                 ver = DiscoveryVersion.WSDiscovery11;
  89                                 break;
  90                         case DiscoveryVersion.NamespaceApril2005:
  91                                 ver = DiscoveryVersion.WSDiscoveryApril2005;
  92                                 break;
  93                         case DiscoveryVersion.NamespaceCD1:
  94                                 ver = DiscoveryVersion.WSDiscoveryCD1;
  95                                 break;
  96                         }
  97                         var ret = new UdpAnnouncementEndpoint (ver, MulticastAddress);
  98                         ret.MaxAnnouncementDelay = MaxAnnouncementDelay;
  99                         TransportSettings.ApplyConfiguration (ret.TransportSettings);
 100                         return ret;
 101                 }
 102
 103                 protected internal override void InitializeFrom (ServiceEndpoint endpoint)
 104                 {
 105                         if (endpoint == null)
 106                                 throw new ArgumentNullException ("endpoint");
 107                         var e = (UdpAnnouncementEndpoint) endpoint;
 108                         MaxAnnouncementDelay = e.MaxAnnouncementDelay;
 109                         MulticastAddress = e.MulticastAddress;
 110                         TransportSettings.InitializeFrom (e.TransportSettings);
 111                 }
 112
 113                 protected override void OnApplyConfiguration (ServiceEndpoint endpoint, ChannelEndpointElement serviceEndpointElement)
 114                 {
 115                         if (endpoint == null)
 116                                 throw new ArgumentNullException ("endpoint");
 117                         var de = (AnnouncementEndpoint) endpoint;
 118                         if (!de.DiscoveryVersion.Equals (DiscoveryVersion))
 119                                 throw new ArgumentException ("Argument AnnouncementEndpoint is initialized with different DiscoveryVersion");
 120                         de.MaxAnnouncementDelay = MaxAnnouncementDelay;
 121                         de.Address = serviceEndpointElement.CreateEndpointAddress (); // it depends on InternalVisibleTo(System.ServiceModel)
 122                         var be = (UdpTransportBindingElement) de.Binding.CreateBindingElements ().First (b => b is UdpTransportBindingElement);
 123                         TransportSettings.ApplyConfiguration (be.TransportSettings);
 124                 }
 125
 126                 protected override void OnApplyConfiguration (ServiceEndpoint endpoint, ServiceEndpointElement serviceEndpointElement)
 127                 {
 128                         if (endpoint == null)
 129                                 throw new ArgumentNullException ("endpoint");
 130                         var de = (AnnouncementEndpoint) endpoint;
 131                         if (!de.DiscoveryVersion.Equals (DiscoveryVersion))
 132                                 throw new ArgumentException ("Argument AnnouncementEndpoint is initialized with different DiscoveryVersion");
 133                         de.MaxAnnouncementDelay = MaxAnnouncementDelay;
 134                         de.Address = serviceEndpointElement.CreateEndpointAddress (); // it depends on InternalVisibleTo(System.ServiceModel)
 135                         var be = (UdpTransportBindingElement) de.Binding.CreateBindingElements ().First (b => b is UdpTransportBindingElement);
 136                         TransportSettings.ApplyConfiguration (be.TransportSettings);
 137                 }
 138
 139                 protected override void OnInitializeAndValidate (ChannelEndpointElement channelEndpointElement)
 140                 {
 141                         // It seems to do nothing.
 142                         base.OnInitializeAndValidate (channelEndpointElement);
 143                 }
 144
 145                 protected override void OnInitializeAndValidate (ServiceEndpointElement serviceEndpointElement)
 146                 {
 147                         // It seems to do nothing.
 148                         base.OnInitializeAndValidate (serviceEndpointElement);
 149                 }
 150         }
 151 }
 152