mcs/class/System.Runtime.Remoting/MonoHttp/ListenerAsyncResult.cs

   1 #define EMBEDDED_IN_1_0
   2
   3 //
   4 // System.Net.ListenerAsyncResult
   5 //
   6 // Authors:
   7 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   8 //
   9 // Copyright (c) 2005 Ximian, Inc (http://www.ximian.com)
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 #if EMBEDDED_IN_1_0
  34
  35 using System.Threading;
  36 using System; using System.Net; namespace MonoHttp {
  37         class ListenerAsyncResult : IAsyncResult {
  38                 ManualResetEvent handle;
  39                 bool synch;
  40                 bool completed;
  41                 AsyncCallback cb;
  42                 object state;
  43                 Exception exception;
  44                 HttpListenerContext context;
  45                 object locker = new object ();
  46
  47                 public ListenerAsyncResult (AsyncCallback cb, object state)
  48                 {
  49                         this.cb = cb;
  50                         this.state = state;
  51                 }
  52
  53                 internal void Complete (string error)
  54                 {
  55                         //FIXME: error_code?
  56                         exception = new HttpListenerException (0, error);
  57                         lock (locker) {
  58                                 completed = true;
  59                                 if (handle != null)
  60                                         handle.Set ();
  61
  62                                 if (cb != null)
  63                                         ThreadPool.QueueUserWorkItem (InvokeCallback, this);
  64                         }
  65                 }
  66
  67                 static void InvokeCallback (object o)
  68                 {
  69                         ListenerAsyncResult ares = (ListenerAsyncResult) o;
  70                         ares.cb (ares);
  71                 }
  72
  73                 internal void Complete (HttpListenerContext context)
  74                 {
  75                         Complete (context, false);
  76                 }
  77
  78                 internal void Complete (HttpListenerContext context, bool synch)
  79                 {
  80                         this.synch = synch;
  81                         this.context = context;
  82                         lock (locker) {
  83                                 completed = true;
  84                                 if (handle != null)
  85                                         handle.Set ();
  86
  87                                 if ((context.Listener.AuthenticationSchemes == AuthenticationSchemes.Basic || context.Listener.AuthenticationSchemes == AuthenticationSchemes.Negotiate) && context.Request.Headers ["Authorization"] == null) {
  88                                         context.Listener.EndGetContext (this);
  89                                         context.Response.StatusCode = 401;
  90                                         context.Response.Headers ["WWW-Authenticate"] = AuthenticationSchemes.Basic + " realm=\"\"";
  91                                         context.Response.OutputStream.Close ();
  92                                         context.Listener.BeginGetContext (cb, state);
  93                                 } else if (cb != null)
  94                                         ThreadPool.QueueUserWorkItem (InvokeCallback, this);
  95                         }
  96                 }
  97
  98                 internal HttpListenerContext GetContext ()
  99                 {
 100                         if (exception != null)
 101                                 throw exception;
 102
 103                         return context;
 104                 }
 105
 106                 public object AsyncState {
 107                         get { return state; }
 108                 }
 109
 110                 public WaitHandle AsyncWaitHandle {
 111                         get {
 112                                 lock (locker) {
 113                                         if (handle == null)
 114                                                 handle = new ManualResetEvent (completed);
 115                                 }
 116
 117                                 return handle;
 118                         }
 119                 }
 120
 121                 public bool CompletedSynchronously {
 122                         get { return synch; }
 123                 }
 124
 125                 public bool IsCompleted {
 126                         get {
 127                                 lock (locker) {
 128                                         return completed;
 129                                 }
 130                         }
 131                 }
 132         }
 133 }
 134 #endif
 135