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//
// System.Runtime.Remoting.Channels.Ipc.Unix.IpcClientChannel.cs
//
// Author: Robert Jordan (robertj@gmx.net)
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.IO;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Messaging;
using Win32 = System.Runtime.Remoting.Channels.Ipc.Win32;
namespace System.Runtime.Remoting.Channels.Ipc.Unix
{
internal class IpcClientChannel : IChannelSender, IChannel
{
object _innerChannel;
public IpcClientChannel ()
{
_innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadClientChannel ());
}
public IpcClientChannel (IDictionary properties,
IClientChannelSinkProvider sinkProvider)
{
_innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadClientChannel (), new object [] {properties, sinkProvider});
}
public IpcClientChannel (string name,
IClientChannelSinkProvider sinkProvider)
{
_innerChannel = Activator.CreateInstance(UnixChannelLoader.LoadClientChannel (), new object [] {name, sinkProvider});
}
public string ChannelName
{
get { return ((IChannel)_innerChannel).ChannelName; }
}
public int ChannelPriority
{
get { return ((IChannel)_innerChannel).ChannelPriority; }
}
public string Parse (string url, out string objectUri)
{
return Win32.IpcChannelHelper.Parse (url, out objectUri);
}
//
// Converts an ipc URL to a unix URL.
// Returns the URL unchanged if it was not ipc.
//
internal static string IpcToUnix (string url)
{
if (url == null)
return null;
string portName;
string objectUri;
Win32.IpcChannelHelper.Parse (url, out portName, out objectUri);
if (objectUri != null)
url = "unix://" + Path.Combine (Path.GetTempPath (), portName) + "?" + objectUri;
return url;
}
public IMessageSink CreateMessageSink(string url,
object remoteChannelData,
out string objectUri)
{
url = IpcToUnix (url);
IMessageSink sink = ((IChannelSender)_innerChannel).CreateMessageSink (url, remoteChannelData, out objectUri);
if (sink != null)
return new UrlMapperSink (sink);
else
return null;
}
}
//
// Simple message sink that changes ipc URLs to unix URLs.
//
sealed class UrlMapperSink : IMessageSink
{
readonly IMessageSink _sink;
public UrlMapperSink (IMessageSink sink)
{
_sink = sink;
}
public IMessageSink NextSink
{
get { return _sink.NextSink; }
}
static void ChangeUri (IMessage msg)
{
string uri = msg.Properties ["__Uri"] as string;
if (uri != null) {
msg.Properties ["__Uri"] = IpcClientChannel.IpcToUnix (uri);
}
}
public IMessage SyncProcessMessage(IMessage msg)
{
ChangeUri (msg);
return _sink.SyncProcessMessage (msg);
}
public IMessageCtrl AsyncProcessMessage(IMessage msg,
IMessageSink replySink)
{
ChangeUri (msg);
return _sink.AsyncProcessMessage (msg, replySink);
}
}
}
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