124 lines
4.4 KiB
C#
124 lines
4.4 KiB
C#
// Copyright (c) 2011, Outercurve Foundation.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// - Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// - Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// - Neither the name of the Outercurve Foundation nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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using System;
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using System.IO;
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using System.Security.Policy;
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using System.Diagnostics;
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using System.Reflection;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.Remoting.Lifetime;
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namespace WebsitePanel.VmConfig
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{
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[Serializable]
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internal class ModuleLoader : MarshalByRefObject
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{
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internal ExecutionResult RemoteRun(string typeName, ref ExecutionContext context)
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{
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if (string.IsNullOrEmpty(typeName))
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throw new ArgumentNullException("typeName");
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string[] parts = typeName.Split(',');
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if (parts == null || parts.Length != 2)
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throw new ArgumentException("Incorrect type name " + typeName);
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Assembly assembly = typeof(ModuleLoader).Assembly;
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string fileName = parts[1].Trim();
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if (!fileName.EndsWith(".dll"))
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fileName = fileName + ".dll";
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string path = Path.Combine(Path.GetDirectoryName(assembly.Location), fileName);
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assembly = Assembly.LoadFrom(path);
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Type type = assembly.GetType(parts[0].Trim());
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//Type type = Type.GetType(typeName);
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if (type == null)
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{
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throw new Exception(string.Format("Type {0} not found", typeName));
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}
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IProvisioningModule module = Activator.CreateInstance(type) as IProvisioningModule;
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if (module == null)
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{
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throw new Exception(string.Format("Module {0} not found", typeName));
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}
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return module.Run(ref context);
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}
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internal void AddTraceListener(TraceListener traceListener)
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{
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Trace.Listeners.Add(traceListener);
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}
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internal static ExecutionResult Run(string typeName, ref ExecutionContext context)
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{
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AppDomain domain = null;
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try
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{
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Evidence securityInfo = AppDomain.CurrentDomain.Evidence;
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AppDomainSetup info = new AppDomainSetup();
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info.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;
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domain = AppDomain.CreateDomain("Remote Domain", securityInfo, info);
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ILease lease = domain.GetLifetimeService() as ILease;
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if (lease != null)
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{
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lease.InitialLeaseTime = TimeSpan.Zero;
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}
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domain.UnhandledException += new UnhandledExceptionEventHandler(OnDomainUnhandledException);
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ModuleLoader loader = (ModuleLoader)domain.CreateInstanceAndUnwrap(
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typeof(ModuleLoader).Assembly.FullName,
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typeof(ModuleLoader).FullName);
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foreach (TraceListener listener in Trace.Listeners)
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{
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loader.AddTraceListener(listener);
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}
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ExecutionResult ret = loader.RemoteRun(typeName, ref context);
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AppDomain.Unload(domain);
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return ret;
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}
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catch (Exception)
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{
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if (domain != null)
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{
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AppDomain.Unload(domain);
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}
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throw;
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}
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}
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static void OnDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
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{
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ServiceLog.WriteError("Remote application domain error", (Exception)e.ExceptionObject);
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}
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}
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}
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