fixed longshine#25 handle SocketException in BeginSend/BeginReceive

Author: longshine

Mina.NET/Transport/Socket/AsyncSocketSession.NET20.cs

@@ -40,6 +40,14 @@ protected override void BeginReceive()
             {
                 // do nothing
             }
+            catch (SocketException ex)
+            {
+                EndReceive(ex);
+            }
+            catch (Exception ex)
+            {
+                EndReceive(ex);
+            }
         }
 
         /// <inheritdoc/>
@@ -54,6 +62,10 @@ protected override void BeginSend(IWriteRequest request, IoBuffer buf)
             {
                 // ignore
             }
+            catch (SocketException ex)
+            {
+                EndSend(ex);
+            }
             catch (Exception ex)
             {
                 EndSend(ex);
@@ -71,6 +83,10 @@ protected override void BeginSendFile(IWriteRequest request, IFileRegion file)
             {
                 // ignore
             }
+            catch (SocketException ex)
+            {
+                EndSend(ex);
+            }
             catch (Exception ex)
             {
                 EndSend(ex);

Mina.NET/Transport/Socket/AsyncSocketSession.cs

@@ -118,6 +118,11 @@ protected override void BeginSend(IWriteRequest request, IoBuffer buf)
                 // do nothing
                 return;
             }
+            catch (SocketException ex)
+            {
+                EndSend(ex);
+                return;
+            }
             catch (Exception ex)
             {
                 EndSend(ex);
@@ -147,6 +152,11 @@ protected override void BeginSendFile(IWriteRequest request, IFileRegion file)
                 // do nothing
                 return;
             }
+            catch (SocketException ex)
+            {
+                EndSend(ex);
+                return;
+            }
             catch (Exception ex)
             {
                 EndSend(ex);
@@ -174,16 +184,9 @@ public void ProcessSend(SocketAsyncEventArgs e)
             {
                 EndSend(e.BytesTransferred);
             }
-            else if (e.SocketError != SocketError.OperationAborted
-                && e.SocketError != SocketError.Interrupted
-                && e.SocketError != SocketError.ConnectionReset)
-            {
-                EndSend(new SocketException((Int32)e.SocketError));
-            }
             else
             {
-                // closed
-                Processor.Remove(this);
+                EndSend(new SocketException((Int32)e.SocketError));
             }
         }
 
@@ -202,6 +205,11 @@ protected override void BeginReceive()
                 // do nothing
                 return;
             }
+            catch (SocketException ex)
+            {
+                EndReceive(ex);
+                return;
+            }
             catch (Exception ex)
             {
                 EndReceive(ex);
@@ -247,16 +255,9 @@ public void ProcessReceive(SocketAsyncEventArgs e)
                     this.FilterChain.FireInputClosed();
                 }
             }
-            else if (e.SocketError != SocketError.OperationAborted
-                && e.SocketError != SocketError.Interrupted
-                && e.SocketError != SocketError.ConnectionReset)
-            {
-                EndReceive(new SocketException((Int32)e.SocketError));
-            }
             else
             {
-                // closed
-                Processor.Remove(this);
+                EndReceive(new SocketException((Int32)e.SocketError));
             }
         }
     }

Mina.NET/Transport/Socket/SocketSession.cs

@@ -1,5 +1,5 @@
 using System;
-using System.IO;
+using System.Net.Sockets;
 using System.Net;
 using System.Threading;
 using Mina.Core.Buffer;
@@ -220,6 +220,23 @@ protected void EndSend(Int32 bytesTransferred)
                 BeginSend();
         }
 
+        /// <summary>
+        /// Ends send operation by a <see cref="SocketException"/>.
+        /// </summary>
+        protected void EndSend(SocketException ex)
+        {
+            // may be closed
+            if (ex.SocketErrorCode != SocketError.OperationAborted
+                && ex.SocketErrorCode != SocketError.Interrupted
+                && ex.SocketErrorCode != SocketError.ConnectionAborted
+                && ex.SocketErrorCode != SocketError.ConnectionReset)
+            {
+                this.FilterChain.FireExceptionCaught(ex);
+            }
+            // TODO should I check the SocketError code?
+            Processor.Remove(this);
+        }
+
         /// <summary>
         /// Ends send operation.
         /// </summary>
@@ -277,6 +294,24 @@ protected void EndReceive(IoBuffer buf)
             }
         }
 
+        /// <summary>
+        /// Ends receive operation by a <see cref="SocketException"/>.
+        /// </summary>
+        /// <param name="ex"></param>
+        protected void EndReceive(SocketException ex)
+        {
+            // may be closed
+            if (ex.SocketErrorCode != SocketError.OperationAborted
+                && ex.SocketErrorCode != SocketError.Interrupted
+                && ex.SocketErrorCode != SocketError.ConnectionAborted
+                && ex.SocketErrorCode != SocketError.ConnectionReset)
+            {
+                this.FilterChain.FireExceptionCaught(ex);
+            }
+            // TODO should I check the SocketError code?
+            Processor.Remove(this);
+        }
+
         /// <summary>
         /// Ends receive operation.
         /// </summary>