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

   1 #define EMBEDDED_IN_1_0
   2
   3 //
   4 // System.Net.HttpStreamAsyncResult
   5 //
   6 // Authors:
   7 //      Gonzalo Paniagua Javier (gonzalo@novell.com)
   8 //
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 #if EMBEDDED_IN_1_0
  31 using System.Threading;
  32
  33 using System; using System.Net; namespace MonoHttp {
  34         class HttpStreamAsyncResult : IAsyncResult {
  35                 object locker = new object ();
  36                 ManualResetEvent handle;
  37                 bool completed;
  38
  39                 internal byte [] Buffer;
  40                 internal int Offset;
  41                 internal int Count;
  42                 internal AsyncCallback Callback;
  43                 internal object State;
  44                 internal int SynchRead;
  45                 internal Exception Error;
  46
  47                 public void Complete (Exception e)
  48                 {
  49                         Error = e;
  50                         Complete ();
  51                 }
  52
  53                 public void Complete ()
  54                 {
  55                         lock (locker) {
  56                                 if (completed)
  57                                         return;
  58
  59                                 completed = true;
  60                                 if (handle != null)
  61                                         handle.Set ();
  62
  63                                 if (Callback != null)
  64                                         Callback.BeginInvoke (this, null, null);
  65                         }
  66                 }
  67
  68                 public object AsyncState {
  69                         get { return State; }
  70                 }
  71
  72                 public WaitHandle AsyncWaitHandle {
  73                         get {
  74                                 lock (locker) {
  75                                         if (handle == null)
  76                                                 handle = new ManualResetEvent (completed);
  77                                 }
  78
  79                                 return handle;
  80                         }
  81                 }
  82
  83                 public bool CompletedSynchronously {
  84                         get { return (SynchRead == Count); }
  85                 }
  86
  87                 public bool IsCompleted {
  88                         get {
  89                                 lock (locker) {
  90                                         return completed;
  91                                 }
  92                         }
  93                 }
  94         }
  95 }
  96 #endif
  97