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From erodrig...@apache.org
Subject svn commit: r125039 - in incubator/directory/ntp/trunk: main/src/java/org/apache/ntp protocol/src/java/org/apache/ntp/protocol
Date Thu, 13 Jan 2005 05:19:16 GMT
Author: erodriguez
Date: Wed Jan 12 21:19:15 2005
New Revision: 125039

URL: http://svn.apache.org/viewcvs?view=rev&rev=125039
Log:
NTP front-end.  Tested on FC2 with ntpdate.
Added:
   incubator/directory/ntp/trunk/main/src/java/org/apache/ntp/Main.java
   incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpDecoder.java
   incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpEncoder.java
   incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolHandler.java
   incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolProvider.java

Added: incubator/directory/ntp/trunk/main/src/java/org/apache/ntp/Main.java
Url: http://svn.apache.org/viewcvs/incubator/directory/ntp/trunk/main/src/java/org/apache/ntp/Main.java?view=auto&rev=125039
==============================================================================
--- (empty file)
+++ incubator/directory/ntp/trunk/main/src/java/org/apache/ntp/Main.java	Wed Jan 12 21:19:15
2005
@@ -0,0 +1,69 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   Licensed 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.ntp;
+
+import java.net.InetSocketAddress;
+
+import org.apache.mina.io.datagram.DatagramAcceptor;
+import org.apache.mina.io.filter.IoThreadPoolFilter;
+import org.apache.mina.io.socket.SocketAcceptor;
+import org.apache.mina.protocol.filter.ProtocolThreadPoolFilter;
+import org.apache.mina.protocol.io.IoProtocolAcceptor;
+import org.apache.ntp.protocol.NtpProtocolProvider;
+
+
+public class Main
+{
+    private static final int PORT = 123;
+
+    public static void main( String[] args ) throws Exception
+    {
+        // Create I/O and Protocol thread pool filter.
+        // I/O thread pool performs encoding and decoding of messages.
+        // Protocol thread pool performs actual protocol flow.
+        IoThreadPoolFilter ioThreadPoolFilter = new IoThreadPoolFilter();
+        ProtocolThreadPoolFilter protocolThreadPoolFilter = new ProtocolThreadPoolFilter();
+
+        // and start both.
+        ioThreadPoolFilter.start();
+        protocolThreadPoolFilter.start();
+
+        // Create a TCP/IP acceptor.
+        IoProtocolAcceptor acceptor = new IoProtocolAcceptor( new SocketAcceptor() );
+
+        // Add both thread pool filters.
+        acceptor.getIoAcceptor().addFilter( Integer.MAX_VALUE, ioThreadPoolFilter );
+        acceptor.addFilter( Integer.MAX_VALUE, protocolThreadPoolFilter );
+
+        // Bind
+        acceptor.bind( new InetSocketAddress( PORT ), new NtpProtocolProvider() );
+        
+        // Create a UDP/IP acceptor
+        IoProtocolAcceptor datagramAcceptor = new IoProtocolAcceptor( new DatagramAcceptor()
);
+        
+        // Add both thread pool filters.
+        datagramAcceptor.getIoAcceptor().addFilter( Integer.MAX_VALUE, ioThreadPoolFilter
);
+        datagramAcceptor.addFilter( Integer.MAX_VALUE, protocolThreadPoolFilter );
+        
+        // Bind
+        datagramAcceptor.bind( new InetSocketAddress( PORT ), new NtpProtocolProvider() );
+
+        System.out.println( "Apache NTP listening on port " + PORT );
+    }
+}
+

Added: incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpDecoder.java
Url: http://svn.apache.org/viewcvs/incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpDecoder.java?view=auto&rev=125039
==============================================================================
--- (empty file)
+++ incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpDecoder.java
Wed Jan 12 21:19:15 2005
@@ -0,0 +1,37 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   Licensed 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.ntp.protocol;
+
+import org.apache.mina.common.ByteBuffer;
+import org.apache.mina.protocol.ProtocolDecoder;
+import org.apache.mina.protocol.ProtocolDecoderOutput;
+import org.apache.mina.protocol.ProtocolSession;
+import org.apache.mina.protocol.ProtocolViolationException;
+import org.apache.ntp.io.NtpMessageDecoder;
+
+
+public class NtpDecoder implements ProtocolDecoder
+{
+    public void decode( ProtocolSession session, ByteBuffer in, ProtocolDecoderOutput out
)
+            throws ProtocolViolationException
+    {
+    	 NtpMessageDecoder decoder = new NtpMessageDecoder();
+    	 out.write( decoder.decode( in.buf() ) );
+    }
+}
+

Added: incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpEncoder.java
Url: http://svn.apache.org/viewcvs/incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpEncoder.java?view=auto&rev=125039
==============================================================================
--- (empty file)
+++ incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpEncoder.java
Wed Jan 12 21:19:15 2005
@@ -0,0 +1,44 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   Licensed 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.ntp.protocol;
+
+import org.apache.mina.common.ByteBuffer;
+import org.apache.mina.protocol.ProtocolEncoder;
+import org.apache.mina.protocol.ProtocolEncoderOutput;
+import org.apache.mina.protocol.ProtocolSession;
+import org.apache.mina.protocol.ProtocolViolationException;
+import org.apache.ntp.io.NtpMessageEncoder;
+import org.apache.ntp.message.NtpMessage;
+
+
+public class NtpEncoder implements ProtocolEncoder
+{
+    public void encode( ProtocolSession session, Object message, ProtocolEncoderOutput out
)
+            throws ProtocolViolationException
+    {
+        NtpMessageEncoder encoder = new NtpMessageEncoder();
+        
+        ByteBuffer buf = ByteBuffer.allocate( 1024 );
+        encoder.encode( buf.buf(), (NtpMessage)message );
+        
+        buf.flip();
+        
+        out.write( buf );
+    }
+}
+

Added: incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolHandler.java
Url: http://svn.apache.org/viewcvs/incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolHandler.java?view=auto&rev=125039
==============================================================================
--- (empty file)
+++ incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolHandler.java
Wed Jan 12 21:19:15 2005
@@ -0,0 +1,69 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   Licensed 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.ntp.protocol;
+
+import org.apache.mina.common.IdleStatus;
+import org.apache.mina.protocol.ProtocolHandler;
+import org.apache.mina.protocol.ProtocolSession;
+import org.apache.ntp.NtpService;
+import org.apache.ntp.message.NtpMessage;
+import org.apache.ntp.service.NtpServiceImpl;
+
+
+public class NtpProtocolHandler implements ProtocolHandler
+{
+
+    public void sessionOpened( ProtocolSession session )
+    {
+        System.out.println( session.getRemoteAddress() + " OPENED" );
+    }
+
+    public void sessionClosed( ProtocolSession session )
+    {
+        System.out.println( session.getRemoteAddress() + " CLOSED" );
+    }
+
+    public void sessionIdle( ProtocolSession session, IdleStatus status )
+    {
+        System.out.println( session.getRemoteAddress() + " IDLE(" + status + ")" );
+    }
+
+    public void exceptionCaught( ProtocolSession session, Throwable cause )
+    {
+        System.out.println( session.getRemoteAddress() + " EXCEPTION" );
+        cause.printStackTrace( System.out );
+
+        session.close();
+    }
+
+    public void messageReceived( ProtocolSession session, Object message )
+    {
+        System.out.println( session.getRemoteAddress() + " RCVD: " + message );
+        
+        NtpService ntpService = new NtpServiceImpl();
+        NtpMessage reply = ntpService.getReplyFor( (NtpMessage)message );
+        
+        session.write( reply );
+    }
+
+    public void messageSent( ProtocolSession session, Object message )
+    {
+        System.out.println( session.getRemoteAddress() + " SENT: " + message );
+    }
+}
+

Added: incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolProvider.java
Url: http://svn.apache.org/viewcvs/incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolProvider.java?view=auto&rev=125039
==============================================================================
--- (empty file)
+++ incubator/directory/ntp/trunk/protocol/src/java/org/apache/ntp/protocol/NtpProtocolProvider.java
Wed Jan 12 21:19:15 2005
@@ -0,0 +1,58 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   Licensed 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.ntp.protocol;
+
+import org.apache.mina.protocol.ProtocolCodecFactory;
+import org.apache.mina.protocol.ProtocolDecoder;
+import org.apache.mina.protocol.ProtocolEncoder;
+import org.apache.mina.protocol.ProtocolHandler;
+import org.apache.mina.protocol.ProtocolProvider;
+
+
+public class NtpProtocolProvider implements ProtocolProvider
+{
+    // Protocol handler is usually a singleton.
+    private static ProtocolHandler HANDLER = new NtpProtocolHandler();
+
+    // Codec factory is also usually a singleton.
+    private static ProtocolCodecFactory CODEC_FACTORY = new ProtocolCodecFactory()
+    {
+        public ProtocolEncoder newEncoder()
+        {
+            // Create a new encoder.
+            return new NtpEncoder();
+        }
+
+        public ProtocolDecoder newDecoder()
+        {
+            // Create a new decoder.
+            return new NtpDecoder();
+        }
+    };
+
+    public ProtocolCodecFactory getCodecFactory()
+    {
+        return CODEC_FACTORY;
+    }
+
+    public ProtocolHandler getHandler()
+    {
+        return HANDLER;
+    }
+}
+

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