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Posted to server-dev@james.apache.org by no...@apache.org on 2010/10/28 12:44:37 UTC

svn commit: r1028254 - in /james/server/trunk: imapserver/src/main/java/org/jboss/netty/handler/stream/ netty-socket/src/main/java/org/jboss/ netty-socket/src/main/java/org/jboss/netty/ netty-socket/src/main/java/org/jboss/netty/handler/ netty-socket/s...

Author: norman
Date: Thu Oct 28 10:44:37 2010
New Revision: 1028254

URL: http://svn.apache.org/viewvc?rev=1028254&view=rev
Log:
Allow to efficient write the message to the client on RETR and TOP commands (JAMES-1093) 

Added:
    james/server/trunk/netty-socket/src/main/java/org/jboss/
    james/server/trunk/netty-socket/src/main/java/org/jboss/netty/
    james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/
    james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/stream/
      - copied from r1026947, james/server/trunk/imapserver/src/main/java/org/jboss/netty/handler/stream/
    james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/NonClosingChannelOutputStream.java
Removed:
    james/server/trunk/imapserver/src/main/java/org/jboss/netty/handler/stream/
    james/server/trunk/util/src/main/java/org/apache/james/util/stream/MessageStream.java
Modified:
    james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/stream/ChannelOutputStream.java
    james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/POP3Session.java
    james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/RetrCmdHandler.java
    james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/TopCmdHandler.java
    james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/POP3NettySession.java

Modified: james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/stream/ChannelOutputStream.java
URL: http://svn.apache.org/viewvc/james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/stream/ChannelOutputStream.java?rev=1028254&r1=1026947&r2=1028254&view=diff
==============================================================================
--- james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/stream/ChannelOutputStream.java (original)
+++ james/server/trunk/netty-socket/src/main/java/org/jboss/netty/handler/stream/ChannelOutputStream.java Thu Oct 28 10:44:37 2010
@@ -87,5 +87,14 @@ public class ChannelOutputStream extends
                     "The bytes could not be written to the session");
         }
     }
+    
+    /**
+     * Return the Channel
+     * 
+     * @return channel
+     */
+    public Channel getChannel() {
+        return channel;
+    }
 
 }

Modified: james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/POP3Session.java
URL: http://svn.apache.org/viewvc/james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/POP3Session.java?rev=1028254&r1=1028253&r2=1028254&view=diff
==============================================================================
--- james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/POP3Session.java (original)
+++ james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/POP3Session.java Thu Oct 28 10:44:37 2010
@@ -22,6 +22,8 @@
 package org.apache.james.pop3server;
 
 
+import java.io.OutputStream;
+
 import org.apache.james.mailbox.MessageManager;
 import org.apache.james.protocols.api.TLSSupportedSession;
 
@@ -32,13 +34,6 @@ import org.apache.james.protocols.api.TL
 
 public interface POP3Session extends TLSSupportedSession {
 
-    /**
-     * A placeholder for emails deleted during the course of the POP3 transaction.  
-     * This Mail instance is used to enable fast checks as to whether an email has been
-     * deleted from the inbox.
-     */
-    public final static String DELETED ="DELETED_MAIL";
-    
     public final static String UID_LIST = "UID_LIST";
     public final static String DELETED_UID_LIST = "DELETED_UID_LIST";
     public final static String MAILBOX_SESSION = "MAILBOX_SESSION";
@@ -89,5 +84,12 @@ public interface POP3Session extends TLS
      * @param userMailbox mailbox
      */
     void setUserMailbox(MessageManager mailbox);
+    
+    /**
+     * Get output stream which connects to the underlying socket. This can be used to write big bunch of data without keep it all in memory
+     * 
+     * @return out
+     */
+    OutputStream getOutputStream();
 }
 

Modified: james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/RetrCmdHandler.java
URL: http://svn.apache.org/viewvc/james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/RetrCmdHandler.java?rev=1028254&r1=1028253&r2=1028254&view=diff
==============================================================================
--- james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/RetrCmdHandler.java (original)
+++ james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/RetrCmdHandler.java Thu Oct 28 10:44:37 2010
@@ -40,7 +40,6 @@ import org.apache.james.protocols.api.Co
 import org.apache.james.protocols.api.Request;
 import org.apache.james.protocols.api.Response;
 import org.apache.james.util.stream.ExtraDotOutputStream;
-import org.apache.james.util.stream.MessageStream;
 
 /**
  * Handles RETR command
@@ -73,8 +72,7 @@ public class RetrCmdHandler implements C
                 Long uid = uidList.get(num - 1);
                 if (deletedUidList.contains(uid) == false) {
                     Iterator<MessageResult> results = session.getUserMailbox().getMessages(MessageRange.one(uid), new FetchGroupImpl(FetchGroup.FULL_CONTENT), mailboxSession);
-                    MessageStream stream = new MessageStream();
-                    OutputStream out = stream.getOutputStream();
+                    OutputStream out = session.getOutputStream();
                     OutputStream extraDotOut = new ExtraDotOutputStream(out);
                     
                     out.write((POP3Response.OK_RESPONSE + " Message follows\r\n").getBytes());
@@ -97,8 +95,6 @@ public class RetrCmdHandler implements C
                         out.close();
                     }
 
-                    session.writeStream(stream.getInputStream());
-
                     return null;
                 } else {
 

Modified: james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/TopCmdHandler.java
URL: http://svn.apache.org/viewvc/james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/TopCmdHandler.java?rev=1028254&r1=1028253&r2=1028254&view=diff
==============================================================================
--- james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/TopCmdHandler.java (original)
+++ james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/core/TopCmdHandler.java Thu Oct 28 10:44:37 2010
@@ -42,7 +42,6 @@ import org.apache.james.pop3server.POP3S
 import org.apache.james.protocols.api.Request;
 import org.apache.james.protocols.api.Response;
 import org.apache.james.util.stream.ExtraDotOutputStream;
-import org.apache.james.util.stream.MessageStream;
 
 /**
  * Handles TOP command
@@ -96,14 +95,10 @@ public class TopCmdHandler extends RetrC
                     FetchGroupImpl fetchGroup = new FetchGroupImpl(FetchGroup.BODY_CONTENT);
                     fetchGroup.or(FetchGroup.HEADERS);
                     Iterator<MessageResult> results = session.getUserMailbox().getMessages(MessageRange.one(uid), fetchGroup, mailboxSession);
-                    MessageStream stream = new MessageStream();
-                    OutputStream out = stream.getOutputStream();
+                    OutputStream out = session.getOutputStream();
                     OutputStream extraDotOut = new ExtraDotOutputStream(out);
                     
                     out.write((POP3Response.OK_RESPONSE + " Message follows\r\n").getBytes());
-                    out.flush();
-                    // response = new POP3Response(POP3Response.OK_RESPONSE,
-                    // "Message follows");
                     try {
                         MessageResult result = results.next();
 
@@ -133,7 +128,6 @@ public class TopCmdHandler extends RetrC
                         extraDotOut.close();
                         out.close();
                     }
-                    session.writeStream(stream.getInputStream());
 
                     return null;
 

Added: james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/NonClosingChannelOutputStream.java
URL: http://svn.apache.org/viewvc/james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/NonClosingChannelOutputStream.java?rev=1028254&view=auto
==============================================================================
--- james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/NonClosingChannelOutputStream.java (added)
+++ james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/NonClosingChannelOutputStream.java Thu Oct 28 10:44:37 2010
@@ -0,0 +1,46 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one   *
+ * or more contributor license agreements.  See the NOTICE file *
+ * distributed with this work for additional information        *
+ * regarding copyright ownership.  The ASF licenses this file   *
+ * to you under the Apache License, Version 2.0 (the            *
+ * "License"); you may not use this file except in compliance   *
+ * with the License.  You may obtain a copy of the License at   *
+ *                                                              *
+ *   http://www.apache.org/licenses/LICENSE-2.0                 *
+ *                                                              *
+ * Unless required by applicable law or agreed to in writing,   *
+ * software distributed under the License is distributed on an  *
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
+ * KIND, either express or implied.  See the License for the    *
+ * specific language governing permissions and limitations      *
+ * under the License.                                           *
+ ****************************************************************/
+package org.apache.james.pop3server.netty;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.handler.stream.ChannelOutputStream;
+
+/**
+ * Allow to write via an {@link OutputStream} to the underlying {@link Channel}
+ *
+ */
+public class NonClosingChannelOutputStream extends ChannelOutputStream{
+
+    public NonClosingChannelOutputStream(Channel channel) {
+        super(channel);
+    }
+
+    /**
+     * Just flush the stream. This will NOT close the underlying Channel
+     * 
+     */
+    @Override
+    public void close() throws IOException {
+        flush();
+    }
+
+}

Modified: james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/POP3NettySession.java
URL: http://svn.apache.org/viewvc/james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/POP3NettySession.java?rev=1028254&r1=1028253&r2=1028254&view=diff
==============================================================================
--- james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/POP3NettySession.java (original)
+++ james/server/trunk/pop3server/src/main/java/org/apache/james/pop3server/netty/POP3NettySession.java Thu Oct 28 10:44:37 2010
@@ -18,6 +18,7 @@
  ****************************************************************/
 package org.apache.james.pop3server.netty;
 
+import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -118,4 +119,13 @@ public class POP3NettySession extends Ab
         this.mailbox = mailbox;
     }
 
+
+    /*
+     * (non-Javadoc)
+     * @see org.apache.james.pop3server.POP3Session#getOutputStream()
+     */
+    public OutputStream getOutputStream() {
+        return new NonClosingChannelOutputStream(getChannelHandlerContext().getChannel());
+    }
+
 }



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