mcs/class/System.Runtime.Remoting/System.Runtime.Remoting.Channels.Simple/SimpleClientChannel.cs

   1 //
   2 // System.Runtime.Remoting.Channels.Simple.SimpleClientChannel.cs
   3 //
   4 // Author: Dietmar Maurer (dietmar@ximian.com)
   5 //
   6 // 2002 (C) Copyright, Ximian, Inc.
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Collections;
  31 using System.IO;
  32 using System.Net.Sockets;
  33 using System.Runtime.Remoting.Messaging;
  34 using System.Runtime.Remoting.Channels;
  35
  36 namespace System.Runtime.Remoting.Channels.Simple
  37 {
  38         public class SimpleClientChannel : IChannelSender, IChannel
  39         {
  40                 int priority = 1;
  41                 string name = "simple";
  42                 IClientChannelSinkProvider sink_provider;
  43
  44                 public SimpleClientChannel ()
  45                 {
  46                         sink_provider = new SimpleClientFormatterSinkProvider ();
  47                         sink_provider.Next = new SimpleClientTransportSinkProvider ();
  48                 }
  49
  50                 public SimpleClientChannel (IDictionary properties, IClientChannelSinkProvider sinkProvider)
  51                 {
  52                         priority = 1;
  53                         sink_provider = sinkProvider;
  54
  55                         // add the tcp provider at the end of the chain
  56                         IClientChannelSinkProvider prov = sinkProvider;
  57                         while (prov.Next != null) prov = prov.Next;
  58                         prov.Next = new SimpleClientTransportSinkProvider ();
  59                 }
  60
  61                 public SimpleClientChannel (string name, IClientChannelSinkProvider sinkProvider)
  62                 {
  63                         priority = 1;
  64                         this.name = name;
  65                         sink_provider = sinkProvider;
  66
  67                         // add the tcp provider at the end of the chain
  68                         IClientChannelSinkProvider prov = sinkProvider;
  69                         while (prov.Next != null) prov = prov.Next;
  70                         prov.Next = new SimpleClientTransportSinkProvider ();
  71                 }
  72
  73                 public string ChannelName
  74                 {
  75                         get {
  76                                 return name;
  77                         }
  78                 }
  79
  80                 public int ChannelPriority
  81                 {
  82                         get {
  83                                 return priority;
  84                         }
  85                 }
  86
  87                 public IMessageSink CreateMessageSink (string url,
  88                                                        object remoteChannelData,
  89                                                        out string objectURI)
  90                 {
  91                         objectURI = null;
  92
  93                         if (url != null) {
  94                                 if (Parse (url, out objectURI) != null)
  95                                         return (IMessageSink) sink_provider.CreateSink (this, url,
  96                                                                                         remoteChannelData);
  97                         }
  98
  99                         if (remoteChannelData != null) {
 100                                 IChannelDataStore ds = remoteChannelData as IChannelDataStore;
 101                                 if (ds != null) {
 102                                         foreach (string chnl_uri in ds.ChannelUris) {
 103                                                 if (Parse (chnl_uri, out objectURI) == null)
 104                                                         continue;
 105                                                 return (IMessageSink) sink_provider.CreateSink (this, chnl_uri,
 106                                                                                                 remoteChannelData);
 107                                         }
 108                                 }
 109                         }
 110
 111                         return null;
 112                 }
 113
 114                 public string Parse (string url, out string objectURI)
 115                 {
 116                         int port;
 117
 118                         string host = SimpleChannel.ParseSimpleURL (url, out objectURI, out port);
 119
 120                         return "simple://" + host + ":" + port;
 121                 }
 122         }
 123 }