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[mono.git] / mcs / class / System / System.Net / WebAsyncResult.cs

diff --git a/mcs/class/System/System.Net/WebAsyncResult.cs b/mcs/class/System/System.Net/WebAsyncResult.cs
index 7b83f432a7244330ea8b0c329fdd345f2690bd95..6d0a3f431ee357ef6d6b2d8b4e389889d9610066 100644 (file)
--- a/mcs/class/System/System.Net/WebAsyncResult.cs
+++ b/mcs/class/System/System.Net/WebAsyncResult.cs
@@ -7,6 +7,27 @@
 // (C) 2003 Ximian, Inc (http://www.ximian.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.
+//
+
 using System.IO;
 using System.Threading;
 
@@ -21,15 +42,15 @@ namespace System.Net
                object state;
                int nbytes;
                IAsyncResult innerAsyncResult;
-               IAsyncResult chunkAsyncResult;
                bool callbackDone;
                Exception exc;
-               HttpWebRequest request;
                HttpWebResponse response;
                Stream writeStream;
                byte [] buffer;
                int offset;
                int size;
+               object locker = new object ();
+               public bool EndCalled;
 
                public WebAsyncResult (AsyncCallback cb, object state)
                {
@@ -39,7 +60,6 @@ namespace System.Net
 
                public WebAsyncResult (HttpWebRequest request, AsyncCallback cb, object state)
                {
-                       this.request = request;
                        this.cb = cb;
                        this.state = state;
                }
@@ -55,50 +75,63 @@ namespace System.Net
 
                internal void SetCompleted (bool synch, Exception e)
                {
-                       isCompleted = true;
                        this.synch = synch;
                        exc = e;
-                       ((ManualResetEvent) AsyncWaitHandle).Set ();
+                       lock (locker) {
+                               isCompleted = true;
+                               if (handle != null)
+                                       handle.Set ();
+                       }
                }
                
                internal void Reset ()
                {
-                       isCompleted = false;
                        callbackDone = false;
                        exc = null;
-                       request = null;
                        response = null;
                        writeStream = null;
                        exc = null;
-                       if (handle != null)
-                               handle.Reset ();
+                       lock (locker) {
+                               isCompleted = false;
+                               if (handle != null)
+                                       handle.Reset ();
+                       }
                }
 
                internal void SetCompleted (bool synch, int nbytes)
                {
-                       isCompleted = true;
                        this.synch = synch;
                        this.nbytes = nbytes;
                        exc = null;
-                       ((ManualResetEvent) AsyncWaitHandle).Set ();
+                       lock (locker) {
+                               isCompleted = true;
+                               if (handle != null)
+                                       handle.Set ();
+                       }
                }
                
                internal void SetCompleted (bool synch, Stream writeStream)
                {
-                       isCompleted = true;
                        this.synch = synch;
                        this.writeStream = writeStream;
                        exc = null;
-                       ((ManualResetEvent) AsyncWaitHandle).Set ();
+                       lock (locker) {
+                               isCompleted = true;
+                               if (handle != null)
+                                       handle.Set ();
+                       }
                }
                
                internal void SetCompleted (bool synch, HttpWebResponse response)
                {
-                       isCompleted = true;
                        this.synch = synch;
                        this.response = response;
                        exc = null;
-                       ((ManualResetEvent) AsyncWaitHandle).Set ();
+                       lock (locker) {
+                               isCompleted = true;
+                               if (handle != null)
+                                       handle.Set ();
+                       }
                }
                
                internal void DoCallback ()
@@ -111,7 +144,7 @@ namespace System.Net
                
                internal void WaitUntilComplete ()
                {
-                       if (isCompleted)
+                       if (IsCompleted)
                                return;
 
                        AsyncWaitHandle.WaitOne ();
@@ -119,7 +152,7 @@ namespace System.Net
 
                internal bool WaitUntilComplete (int timeout, bool exitContext)
                {
-                       if (isCompleted)
+                       if (IsCompleted)
                                return true;
 
                        return AsyncWaitHandle.WaitOne (timeout, exitContext);
@@ -131,11 +164,9 @@ namespace System.Net
 
                public WaitHandle AsyncWaitHandle {
                        get {
-                               if (handle == null) {
-                                       lock (this) {
-                                               if (handle == null)
-                                                       handle = new ManualResetEvent (isCompleted);
-                                       }
+                               lock (locker) {
+                                       if (handle == null)
+                                               handle = new ManualResetEvent (isCompleted);
                                }
                                
                                return handle;
@@ -147,7 +178,11 @@ namespace System.Net
                }
 
                public bool IsCompleted {
-                       get { return isCompleted; }
+                       get {
+                               lock (locker) {
+                                       return isCompleted;
+                               }
+                       }
                }
 
                internal bool GotException {
@@ -163,11 +198,6 @@ namespace System.Net
                        set { nbytes = value; }
                }
 
-               internal IAsyncResult ChunkAsyncResult {
-                       get { return chunkAsyncResult; }
-                       set { chunkAsyncResult = value; }
-               }
-
                internal IAsyncResult InnerAsyncResult {
                        get { return innerAsyncResult; }
                        set { innerAsyncResult = value; }