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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
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WebsitePanel.Installer/Sources/WebsitePanel.Installer.Core/Common/AssemblyLoader.cs Normal file
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// Copyright (c) 2011, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// - Neither the name of the Outercurve Foundation nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using System;
using System.Security.Policy;
using System.Diagnostics;
using System.Reflection;
using System.Collections.Generic;
using System.Text;
using System.Runtime.Remoting.Lifetime;
namespace WebsitePanel.Installer.Common
{
[Serializable]
public class AssemblyLoader : MarshalByRefObject
{
public object RemoteRun(string fileName, string typeName, string methodName, object[] parameters)
{
Assembly assembly = Assembly.LoadFrom(fileName);
Type type = assembly.GetType(typeName);
MethodInfo method = type.GetMethod(methodName);
return method.Invoke(Activator.CreateInstance(type), parameters);
}
public void AddTraceListener(TraceListener traceListener)
{
Trace.Listeners.Add(traceListener);
}
public static object Execute(string fileName, string typeName, string methodName, object[] parameters)
{
AppDomain domain = null;
try
{
Evidence securityInfo = AppDomain.CurrentDomain.Evidence;
AppDomainSetup info = new AppDomainSetup();
info.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;
domain = AppDomain.CreateDomain("Remote Domain", securityInfo, info);
domain.InitializeLifetimeService();
domain.UnhandledException += new UnhandledExceptionEventHandler(OnDomainUnhandledException);
AssemblyLoader loader = (AssemblyLoader)domain.CreateInstanceAndUnwrap(
typeof(AssemblyLoader).Assembly.FullName,
typeof(AssemblyLoader).FullName);
foreach (TraceListener listener in Trace.Listeners)
{
loader.AddTraceListener(listener);
}
object ret = loader.RemoteRun(fileName, typeName, methodName, parameters);
AppDomain.Unload(domain);
return ret;
}
catch (Exception)
{
if (domain != null)
{
AppDomain.Unload(domain);
}
throw;
}
}
static void OnDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
{
Log.WriteError("Remote domain error", (Exception)e.ExceptionObject);
}
public static string GetShellVersion()
{
return Assembly.GetEntryAssembly().GetName().Version.ToString();
}
}
}