BareApplicationHost.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » Hosting » C# / CSharp Open Source

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C# / CSharp Open Source » 2.6.4 mono .net core » System.Web 
System.Web » System » Web » Hosting » BareApplicationHost.cs
//
// System.Web.Hosting.BareApplicationHost
// 
// Author:
//  Gonzalo Paniagua Javier (gonzalo@novell.com)
//
//
// Copyright (C) 2006 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.
//
#if NET_2_0
using System;
using System.IO;
using System.Collections.Generic;

namespace System.Web.Hosting{
  class RegisteredItem {
    public IRegisteredObject Item;
    public bool AutoClean;
    public RegisteredItem (IRegisteredObject item, bool autoclean)
    {
      this.Item = item;
      this.AutoClean = autoclean;
    }
  }

  sealed class BareApplicationHost : MarshalByRefObject {
    string vpath;
    string phys_path;
    Dictionary<Type, RegisteredItem> hash;
    internal ApplicationManager Manager;
    internal string AppID;

    public BareApplicationHost ()
    {
      Init ();
    }

    void Init ()
    {
      hash = new Dictionary<Type, RegisteredItem> ();
      HostingEnvironment.Host = this;
      AppDomain current = AppDomain.CurrentDomain;
      current.DomainUnload += OnDomainUnload;
      phys_path = (string) current.GetData (".appPath");
      vpath = (string) current.GetData (".appVPath");
    }

    public string VirtualPath {
      get { return vpath; }
    }

    public string PhysicalPath {
      get { return phys_path; }
    }

    public AppDomain Domain {
      get { return AppDomain.CurrentDomain; }
    }

    public void Shutdown ()
    {
      HostingEnvironment.InitiateShutdown ();
    }

    public void StopObject (Type type)
    {
      if (!hash.ContainsKey (type))
        return;

      RegisteredItem reg = hash [type];
      reg.Item.Stop (false);
    }

    public IRegisteredObject CreateInstance (Type type)
    {
      return (IRegisteredObject) Activator.CreateInstance (type, null);
    }

    public void RegisterObject (IRegisteredObject obj, bool auto_clean)
    {
      hash [obj.GetType ()] = new RegisteredItem (obj, auto_clean);
    }

    public bool UnregisterObject (IRegisteredObject obj)
    {
      return hash.Remove (obj.GetType ());
    }

    public IRegisteredObject GetObject (Type type)
    {
      if (hash.ContainsKey (type))
        return hash [type].Item;

      return null;
    }

    public string GetCodeGenDir ()
    {
      return AppDomain.CurrentDomain.SetupInformation.DynamicBase;
    }

    void OnDomainUnload (object sender, EventArgs args)
    {
      Manager.RemoveHost (AppID);
      ICollection<RegisteredItem> values = hash.Values;
      RegisteredItem [] objects = new RegisteredItem [hash.Count];
      values.CopyTo (objects, 0);

      foreach (RegisteredItem reg in objects) {
        try {
          reg.Item.Stop (true); // Stop should call Unregister. It's ok if not.
        } catch {
          // Ignore or throw?
        }
      }
      hash.Clear ();
    }
  }
}

#endif

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