class/System.Runtime.Remoting/System.Runtime.Remoting.Channels.Ipc.Unix/IpcChannel.cs

   1 //
   2 // System.Runtime.Remoting.Channels.Ipc.Unix.IpcChannel.cs
   3 //
   4 // Author: Robert Jordan (robertj@gmx.net)
   5 //
   6 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   7 //
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if NET_2_0
  30
  31 using System;
  32 using System.Collections;
  33 using System.IO;
  34 using System.Runtime.Remoting;
  35 using System.Runtime.Remoting.Messaging;
  36
  37 namespace System.Runtime.Remoting.Channels.Ipc.Unix
  38 {
  39         internal class IpcChannel : IChannelReceiver, IChannelSender, IChannel
  40         {
  41                 IChannelSender _clientChannel;
  42                 IChannelReceiver _serverChannel;
  43
  44                 string _portName;
  45                 string _name = "ipc";
  46                 int  _priority = 1;
  47
  48                 internal static IDictionary GetDefaultProperties (string portName)
  49                 {
  50                         Hashtable h = new Hashtable ();
  51                         if (portName != null)
  52                                 h ["portName"] = portName;
  53                         h ["name"] = "ipc";
  54                         h ["priority"] = "1";
  55                         return h;
  56                 }
  57
  58                 public IpcChannel () : this (null)
  59                 {
  60                 }
  61
  62                 public IpcChannel (string portName)
  63                         : this (GetDefaultProperties (portName), null, null)
  64                 {
  65                 }
  66
  67                 public IpcChannel (IDictionary properties,
  68                                    IClientChannelSinkProvider clientSinkProvider,
  69                                    IServerChannelSinkProvider serverSinkProvider)
  70                 {
  71                         if (properties != null) {
  72                                 _portName = properties ["portName"] as string;
  73                                 if (properties ["name"] != null)
  74                                         _name = properties ["name"] as string;
  75                                 else
  76                                         properties ["name"] = _name;
  77                                 if (properties ["priority"] != null)
  78                                         _priority = Convert.ToInt32 (properties ["priority"]);
  79                         }
  80
  81                         if (_portName != null)
  82                                 _serverChannel = new IpcServerChannel (properties, serverSinkProvider);
  83
  84                         _clientChannel = new IpcClientChannel (properties, clientSinkProvider);
  85                 }
  86
  87                 public string ChannelName
  88                 {
  89                         get { return _name; }
  90                 }
  91
  92                 public int ChannelPriority
  93                 {
  94                         get { return _priority; }
  95                 }
  96
  97                 public string Parse (string url, out string objectUri)
  98                 {
  99                         if (_serverChannel != null)
 100                                 return _serverChannel.Parse (url, out objectUri);
 101                         else
 102                                 return _clientChannel.Parse (url, out objectUri);
 103
 104                 }
 105
 106                 public IMessageSink CreateMessageSink(string url,
 107                                                       object remoteChannelData,
 108                                                       out string objectUri)
 109                 {
 110                         return _clientChannel.CreateMessageSink (url, remoteChannelData, out objectUri);
 111                 }
 112
 113                 public object ChannelData
 114                 {
 115                         get {
 116                                 if (_serverChannel != null)
 117                                         return _serverChannel.ChannelData;
 118                                 else
 119                                         return null;
 120                         }
 121                 }
 122
 123                 public string[] GetUrlsForUri(string objectUri)
 124                 {
 125                         if (_serverChannel != null)
 126                                 return _serverChannel.GetUrlsForUri (objectUri);
 127                         else
 128                                 return null;
 129                 }
 130
 131                 public void StartListening (object data)
 132                 {
 133                         if (_serverChannel != null)
 134                                 _serverChannel.StartListening (data);
 135                 }
 136
 137                 public void StopListening(object data)
 138                 {
 139                         if (_serverChannel != null)
 140                                 _serverChannel.StopListening (data);
 141                 }
 142
 143         }
 144 }
 145
 146 #endif