ActiveIO - 1.0

Clover coverage report - ActiveIO - 1.0

Coverage timestamp: Fri Apr 22 2005 14:27:22 PDT

FRAMES NO FRAMES

file stats:	LOC:	162		Methods:	13
	NCLOC:	90		Classes:	2

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Source file

Conditionals

Statements

Methods

TOTAL

DatagramSocketSynchChannel.java

 /** 
  * 
  * Copyright 2004 Hiram Chirino
  * 
  * 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.activeio.net;
 
 import java.io.IOException;
 import java.net.DatagramPacket;
 import java.net.DatagramSocket;
 import java.net.SocketException;
 import java.net.SocketTimeoutException;
 
 import org.activeio.Packet;
 import org.activeio.SynchChannel;
 import org.activeio.SynchChannelServer;
 import org.activeio.Packet.ByteSequence;
 import org.activeio.packet.ByteArrayPacket;
 import org.activeio.packet.FilterPacket;
 
 /**
  * A {@see org.activeio.SynchChannel}implementation that uses
  * TCP to talk to the network.
  * 
  * @version $Revision$
  */
 final public class DatagramSocketSynchChannel implements SynchChannel {
 
     private final class UDPFilterPacket extends FilterPacket {
         private final DatagramPacket packet;
 
         private UDPFilterPacket(Packet next, DatagramPacket packet) {
             super(next);
             this.packet = packet;
         }
 
         public Object narrow(Class target) {
             if( target == DatagramContext.class ) {
                 return new DatagramContext(packet);
             }
             return super.narrow(target);
         }
 
         public Packet filter(Packet packet) {
             return new UDPFilterPacket(packet, this.packet);
         }
     }
 
     private static final int DEFAULT_BUFFER_SIZE = 64 * 1024;
 
     private final DatagramSocket socket;
 
     private boolean disposed;
 
     private int curentSoTimeout;
 
     /**
      * Construct basic helpers
      * 
      * @param wireFormat
      * @throws IOException
      */
     protected DatagramSocketSynchChannel(DatagramSocket socket) throws IOException {
         this.socket = socket;
         socket.setReceiveBufferSize(DEFAULT_BUFFER_SIZE);
         socket.setSendBufferSize(DEFAULT_BUFFER_SIZE);
     }
     
     /**
      * @see org.activeio.SynchChannel#read(long)
      */
     public org.activeio.Packet read(long timeout) throws IOException {
         try {
 
             if (timeout == SynchChannelServer.WAIT_FOREVER_TIMEOUT)
                 setSoTimeout(0);
             else if (timeout == SynchChannelServer.NO_WAIT_TIMEOUT)
                 setSoTimeout(1);
             else
                 setSoTimeout((int) timeout);
 
             // FYI: message data is truncated if biger than this buffer.
             final byte data[] = new byte[DEFAULT_BUFFER_SIZE];
             final DatagramPacket packet = new DatagramPacket(data, data.length);
             socket.receive(packet);
             
             // A FilterPacket is used to provide the UdpDatagramContext via narrow.
             return new UDPFilterPacket(new ByteArrayPacket(data, 0, packet.getLength()), packet);
             
         } catch (SocketTimeoutException e) {
             return null;
         }
     }
 
     private void setSoTimeout(int i) throws SocketException {
         if (curentSoTimeout != i) {
             socket.setSoTimeout(i);
             curentSoTimeout = i;
         }
     }
 
     /**
      * @see org.activeio.Channel#write(org.activeio.channel.Packet)
      */
     public void write(org.activeio.Packet packet) throws IOException {
         ByteSequence sequence = packet.asByteSequence();
 
         DatagramContext context = (DatagramContext) packet.narrow(DatagramContext.class);
         if( context!=null ) {
             socket.send(new DatagramPacket(sequence.getData(),sequence.getOffset(), sequence.getLength(), context.address, context.port.intValue()));
         } else {
             socket.send(new DatagramPacket(sequence.getData(),sequence.getOffset(), sequence.getLength()));
         }
     }
 
     /**
      * @see org.activeio.Channel#flush()
      */
     public void flush() throws IOException {
     }
 
     /**
      * @see org.activeio.Disposable#dispose()
      */
     public void dispose() {
         if (disposed)
             return;
         socket.close();
         disposed = true;
     }
 
     public void start() throws IOException {
     }
 
     public void stop(long timeout) throws IOException {
     }
 
     
     public Object narrow(Class target) {
         if( target.isAssignableFrom(getClass()) ) {
             return this;
         }
         return null;
     }
 
     public String toString() {
         return "Datagram Connection: "+socket.getLocalSocketAddress()+" -> "+socket.getRemoteSocketAddress();
     }
 }

1		/**
2		*
3		* Copyright 2004 Hiram Chirino
4		*
5		* Licensed under the Apache License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*
17		**/
18
19		package org.activeio.net;
20
21		import java.io.IOException;
22		import java.net.DatagramPacket;
23		import java.net.DatagramSocket;
24		import java.net.SocketException;
25		import java.net.SocketTimeoutException;
26
27		import org.activeio.Packet;
28		import org.activeio.SynchChannel;
29		import org.activeio.SynchChannelServer;
30		import org.activeio.Packet.ByteSequence;
31		import org.activeio.packet.ByteArrayPacket;
32		import org.activeio.packet.FilterPacket;
33
34		/**
35		* A {@see org.activeio.SynchChannel}implementation that uses
36		* TCP to talk to the network.
37		*
38		* @version $Revision$
39		*/
40		final public class DatagramSocketSynchChannel implements SynchChannel {
41
42		private final class UDPFilterPacket extends FilterPacket {
43		private final DatagramPacket packet;
44
45	0	private UDPFilterPacket(Packet next, DatagramPacket packet) {
46	0	super(next);
47	0	this.packet = packet;
48		}
49
50	0	public Object narrow(Class target) {
51	0	if( target == DatagramContext.class ) {
52	0	return new DatagramContext(packet);
53		}
54	0	return super.narrow(target);
55		}
56
57	0	public Packet filter(Packet packet) {
58	0	return new UDPFilterPacket(packet, this.packet);
59		}
60		}
61
62		private static final int DEFAULT_BUFFER_SIZE = 64 * 1024;
63
64		private final DatagramSocket socket;
65
66		private boolean disposed;
67
68		private int curentSoTimeout;
69
70		/**
71		* Construct basic helpers
72		*
73		* @param wireFormat
74		* @throws IOException
75		*/
76	0	protected DatagramSocketSynchChannel(DatagramSocket socket) throws IOException {
77	0	this.socket = socket;
78	0	socket.setReceiveBufferSize(DEFAULT_BUFFER_SIZE);
79	0	socket.setSendBufferSize(DEFAULT_BUFFER_SIZE);
80		}
81
82		/**
83		* @see org.activeio.SynchChannel#read(long)
84		*/
85	0	public org.activeio.Packet read(long timeout) throws IOException {
86	0	try {
87
88	0	if (timeout == SynchChannelServer.WAIT_FOREVER_TIMEOUT)
89	0	setSoTimeout(0);
90	0	else if (timeout == SynchChannelServer.NO_WAIT_TIMEOUT)
91	0	setSoTimeout(1);
92		else
93	0	setSoTimeout((int) timeout);
94
95		// FYI: message data is truncated if biger than this buffer.
96	0	final byte data[] = new byte[DEFAULT_BUFFER_SIZE];
97	0	final DatagramPacket packet = new DatagramPacket(data, data.length);
98	0	socket.receive(packet);
99
100		// A FilterPacket is used to provide the UdpDatagramContext via narrow.
101	0	return new UDPFilterPacket(new ByteArrayPacket(data, 0, packet.getLength()), packet);
102
103		} catch (SocketTimeoutException e) {
104	0	return null;
105		}
106		}
107
108	0	private void setSoTimeout(int i) throws SocketException {
109	0	if (curentSoTimeout != i) {
110	0	socket.setSoTimeout(i);
111	0	curentSoTimeout = i;
112		}
113		}
114
115		/**
116		* @see org.activeio.Channel#write(org.activeio.channel.Packet)
117		*/
118	0	public void write(org.activeio.Packet packet) throws IOException {
119	0	ByteSequence sequence = packet.asByteSequence();
120
121	0	DatagramContext context = (DatagramContext) packet.narrow(DatagramContext.class);
122	0	if( context!=null ) {
123	0	socket.send(new DatagramPacket(sequence.getData(),sequence.getOffset(), sequence.getLength(), context.address, context.port.intValue()));
124		} else {
125	0	socket.send(new DatagramPacket(sequence.getData(),sequence.getOffset(), sequence.getLength()));
126		}
127		}
128
129		/**
130		* @see org.activeio.Channel#flush()
131		*/
132	0	public void flush() throws IOException {
133		}
134
135		/**
136		* @see org.activeio.Disposable#dispose()
137		*/
138	0	public void dispose() {
139	0	if (disposed)
140	0	return;
141	0	socket.close();
142	0	disposed = true;
143		}
144
145	0	public void start() throws IOException {
146		}
147
148	0	public void stop(long timeout) throws IOException {
149		}
150
151
152	0	public Object narrow(Class target) {
153	0	if( target.isAssignableFrom(getClass()) ) {
154	0	return this;
155		}
156	0	return null;
157		}
158
159	0	public String toString() {
160	0	return "Datagram Connection: "+socket.getLocalSocketAddress()+" -> "+socket.getRemoteSocketAddress();
161		}
162		}