mcs/class/System.Web/System.Web.Hosting/ApplicationHost.cs

   1 //
   2 // System.Web.Hosting.ApplicationHost
   3 //
   4 // Authors:
   5 //      Patrik Torstensson (Patrik.Torstensson@labs2.com)
   6 //      (class signature from Bob Smith <bob@thestuff.net> (C) )
   7 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   8 //
   9 using System;
  10 using System.Collections;
  11 using System.IO;
  12 using System.Runtime.Remoting;
  13 using System.Web.Util;
  14
  15 namespace System.Web.Hosting
  16 {
  17         public sealed class ApplicationHost
  18         {
  19                 internal class ConfigInitHelper : MarshalByRefObject
  20                 {
  21                         internal void InitConfig ()
  22                         {
  23                         }
  24                 }
  25
  26                 private ApplicationHost ()
  27                 {
  28                 }
  29
  30                 public static object CreateApplicationHost (Type hostType,
  31                                                             string virtualDir,
  32                                                             string physicalDir)
  33                 {
  34                         if (hostType == null)
  35                                 throw new ArgumentException ("hostType");
  36
  37                         if (virtualDir == null || virtualDir.Length == 0)
  38                                 throw new ArgumentException ("virtualDir");
  39
  40                         if (physicalDir == null || physicalDir.Length == 0)
  41                                 throw new ArgumentException ("physicalDir");
  42
  43                         if (physicalDir [physicalDir.Length - 1] != Path.DirectorySeparatorChar)
  44                                 physicalDir += Path.DirectorySeparatorChar;
  45
  46                         int nowInt = DateTime.Now.ToString ().GetHashCode ();
  47                         string nowHash = nowInt.ToString ("x");
  48                         nowInt += physicalDir.GetHashCode ();
  49                         string sum = nowInt.ToString ("x");
  50                         Hashtable hTable = new Hashtable ();
  51                         AppDomainSetup domainSetup = new AppDomainSetup();
  52
  53                         AppDomainFactory.PopulateDomainBindings (nowHash,
  54                                                                  sum,
  55                                                                  sum,
  56                                                                  physicalDir,
  57                                                                  virtualDir,
  58                                                                  domainSetup,
  59                                                                  hTable);
  60
  61                         AppDomain domain = AppDomain.CreateDomain (nowHash, null, domainSetup);
  62                         foreach (string key in hTable.Keys)
  63                                 domain.SetData (key, (string) hTable [key]);
  64
  65                         domain.SetData (".hostingVirtualPath", virtualDir);
  66                         domain.SetData (".hostingInstallDir", ICalls.GetMachineInstallDirectory ());
  67                         InitConfigInNewAppDomain (domain);
  68                         ObjectHandle o = domain.CreateInstance (hostType.Assembly.FullName,
  69                                                                 hostType.FullName);
  70                         return o.Unwrap();
  71                 }
  72
  73                 private static void InitConfigInNewAppDomain (AppDomain appDomain)
  74                 {
  75                         Type t = typeof (ConfigInitHelper);
  76                         ObjectHandle o = appDomain.CreateInstance (t.Assembly.FullName, t.FullName);
  77                         ConfigInitHelper helper = (ConfigInitHelper) o.Unwrap();
  78                         helper.InitConfig ();
  79                 }
  80         }
  81 }
  82