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//
// RemotingServices.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2009 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.IO;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Ipc;
using System.Runtime.Remoting.Messaging;
using System.Runtime.Remoting.Channels.Tcp;
using System.Reflection;
namespace MonoDevelop.Core.Execution
{
public static class RemotingService
{
static string unixRemotingFile;
static Dictionary<string,CallbackData> callbacks = new Dictionary<string, CallbackData> ();
static bool channelRegistered;
static HashSet<string> simpleResolveAssemblies = new HashSet<string> ();
internal class CallbackData
{
public object Target;
public int Timeout;
public string Method;
public CallingMethodCallback Calling;
public CalledMethodCallback Called;
}
public static void RegisterRemotingChannel ()
{
if (!channelRegistered) {
channelRegistered = true;
IDictionary formatterProps = new Hashtable ();
formatterProps ["includeVersions"] = false;
formatterProps ["strictBinding"] = false;
// Don't reuse ipc channels registered by add-ins. That's not supported.
IChannel ch = ChannelServices.GetChannel ("ipc");
if (ch != null) {
LoggingService.LogFatalError ("IPC channel already registered. An add-in may have registered it");
throw new InvalidOperationException ("IPC channel already registered. An add-in may have registered it.");
}
BinaryServerFormatterSinkProvider serverProvider = new BinaryServerFormatterSinkProvider(formatterProps, null);
serverProvider.TypeFilterLevel = System.Runtime.Serialization.Formatters.TypeFilterLevel.Full;
DisposerFormatterSinkProvider clientProvider = new DisposerFormatterSinkProvider();
clientProvider.Next = new BinaryClientFormatterSinkProvider(formatterProps, null);
unixRemotingFile = Path.GetTempFileName ();
IDictionary dict = new Hashtable ();
dict ["portName"] = Path.GetFileName (unixRemotingFile);
ChannelServices.RegisterChannel (new IpcChannel (dict, clientProvider, serverProvider), false);
// Register the TCP channel too. It is used for communication of Mono -> .NET. The IPC channel
// has interoperabilitu issues.
// Don't reuse tcp channels registered by add-ins. That's not supported.
ch = ChannelServices.GetChannel ("tcp");
if (ch != null) {
LoggingService.LogFatalError ("TCP channel already registered. An add-in may have registered it");
throw new InvalidOperationException ("TCP channel already registered. An add-in may have registered it.");
}
serverProvider = new BinaryServerFormatterSinkProvider(formatterProps, null);
serverProvider.TypeFilterLevel = System.Runtime.Serialization.Formatters.TypeFilterLevel.Full;
clientProvider = new DisposerFormatterSinkProvider();
clientProvider.Next = new BinaryClientFormatterSinkProvider(formatterProps, null);
dict = new Hashtable ();
dict ["port"] = 0;
dict ["rejectRemoteRequests"] = true;
ChannelServices.RegisterChannel (new TcpChannel (dict, clientProvider, serverProvider), false);
// This is a workaround to a serialization interoperability issue between Mono and .NET
// For some reason, .NET is unable to resolve add-in assemblies referenced in
// serialized objects, when the assemblies are not in the main bin directory
if (Platform.IsWindows) {
AppDomain.CurrentDomain.AssemblyResolve += delegate (object s, ResolveEventArgs args) {
if (!simpleResolveAssemblies.Contains (args.Name))
return null;
foreach (Assembly am in AppDomain.CurrentDomain.GetAssemblies ()) {
if (am.GetName ().FullName == args.Name || args.Name == am.GetName ().Name) {
Console.WriteLine (Environment.StackTrace);
return am;
}
}
return null;
};
}
}
}
public static void RegisterMethodCallback (object proxy, string method, CallingMethodCallback calling, CalledMethodCallback called)
{
RegisterMethodCallback (proxy, method, calling, called, -1);
}
public static void RegisterMethodCallback (object proxy, string method, CallingMethodCallback calling, CalledMethodCallback called, int timeout)
{
string uri = RemotingServices.GetObjectUri ((MarshalByRefObject)proxy);
CallbackData data = new CallbackData ();
data.Target = proxy;
data.Calling = calling;
data.Called = called;
data.Timeout = timeout;
data.Method = method;
callbacks [uri + " " + method] = data;
}
public static void UnregisterMethodCallback (object proxy, string method)
{
string uri = RemotingServices.GetObjectUri ((MarshalByRefObject)proxy);
callbacks.Remove (uri + " " + method);
}
// This method is used in Windows to allow the provided assembly name to be loaded
// using the name only, discarding version info. This is a workaround to a serialization
// interoperability issue.
internal static void RegisterAssemblyForSimpleResolve (string name)
{
simpleResolveAssemblies.Add (name);
}
internal static CallbackData GetCallbackData (string uri, string method)
{
CallbackData data;
callbacks.TryGetValue (uri + " " + method, out data);
return data;
}
internal static void Dispose ()
{
if (unixRemotingFile != null)
File.Delete (unixRemotingFile);
}
}
}
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