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

   1 //
   2 // System.Runtime.Remoting.Channels.Ipc.Unix.IpcServerChannel.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 Win32 = System.Runtime.Remoting.Channels.Ipc.Win32;
  36
  37 namespace System.Runtime.Remoting.Channels.Ipc.Unix
  38 {
  39         internal class IpcServerChannel : IChannelReceiver, IChannel
  40         {
  41                 object _innerChannel;
  42                 string _portName;
  43                 string _path;
  44
  45                 internal static string BuildPathFromPortName (string portName)
  46                 {
  47                         if (!Win32.IpcChannelHelper.IsValidPipeName (portName))
  48                                 throw new RemotingException ("Invalid IPC port name");
  49                         return Path.Combine (Path.GetTempPath (), portName);
  50                 }
  51
  52                 internal static IDictionary MapProperties (IDictionary props)
  53                 {
  54                         if (props == null) return null;
  55                         Hashtable h = new Hashtable ();
  56
  57                         foreach (DictionaryEntry e in props) {
  58                                 switch (e.Key as string) {
  59                                 case "portName":
  60                                         h ["path"] = BuildPathFromPortName ((string)e.Value);
  61                                         break;
  62                                 default:
  63                                         h [e.Key] = e.Value;
  64                                         break;
  65                                 }
  66                         }
  67                         return h;
  68                 }
  69
  70                 public IpcServerChannel (string portName)
  71                 {
  72                         _portName = portName;
  73                         _path = portName = BuildPathFromPortName (portName);
  74
  75                         _innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadServerChannel (), new object [] {portName});
  76                 }
  77
  78                 public IpcServerChannel (string name, string portName,
  79                                          IServerChannelSinkProvider serverSinkProvider)
  80                 {
  81                         _portName = portName;
  82                         _path = portName = BuildPathFromPortName (portName);
  83
  84                         _innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadServerChannel (), new object [] {name, portName, serverSinkProvider});
  85                 }
  86
  87                 public IpcServerChannel (string name, string portName)
  88                 {
  89                         _portName = portName = BuildPathFromPortName (portName);
  90
  91                         _innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadServerChannel (), new object [] {name, portName});
  92                 }
  93
  94                 public IpcServerChannel (IDictionary properties,
  95                                          IServerChannelSinkProvider serverSinkProvider)
  96                 {
  97                         properties = MapProperties (properties);
  98                         if (properties != null) {
  99                                 _portName = properties ["portName"] as string;
 100                                 _path = properties ["path"] as string;
 101                         }
 102
 103                         _innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadServerChannel (), new object [] {properties, serverSinkProvider});
 104                 }
 105
 106                 public string ChannelName
 107                 {
 108                         get { return ((IChannel)_innerChannel).ChannelName; }
 109                 }
 110
 111                 public int ChannelPriority
 112                 {
 113                         get { return ((IChannel)_innerChannel).ChannelPriority; }
 114                 }
 115
 116                 public string Parse (string url, out string objectUri)
 117                 {
 118                         return Win32.IpcChannelHelper.Parse (url, out objectUri);
 119                 }
 120
 121                 public object ChannelData
 122                 {
 123                         get { return ((IChannelReceiver)_innerChannel).ChannelData; }
 124                 }
 125
 126                 public string[] GetUrlsForUri(string objectUri)
 127                 {
 128                         string[] res = ((IChannelReceiver)_innerChannel).GetUrlsForUri (objectUri);
 129                         if (res != null) {
 130                                 string[] urls = new string [res.Length + 1];
 131
 132                                 for (int i = 0; i < res.Length; i++)
 133                                         urls [i] = res [i];
 134
 135                                 if (!objectUri.StartsWith ("/"))
 136                                         objectUri = "/" + objectUri;
 137                                 urls [res.Length] = "ipc://" + _portName + objectUri;
 138                                 return urls;
 139                         }
 140                         return res;
 141                 }
 142
 143                 public void StartListening (object data)
 144                 {
 145                         ((IChannelReceiver)_innerChannel).StartListening (data);
 146                 }
 147
 148                 public void StopListening(object data)
 149                 {
 150                         ((IChannelReceiver)_innerChannel).StopListening (data);
 151                 }
 152         }
 153 }
 154
 155 #endif