| Clover coverage report - ActiveIO - 1.0 |
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| 30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| PacketAggregatingSynchChannel.java | 60% | 80% | 100% | 76.5% |
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/**
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*
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* Copyright 2004 Hiram Chirino
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.activeio.filter;
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import java.io.IOException;
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import java.util.LinkedList;
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import org.activeio.FilterSynchChannel;
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import org.activeio.Packet;
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import org.activeio.SynchChannel;
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/**
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* This PacketAggregatingSynchChannel can be used when the client is sending a
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* 'record' style packet down the channel stack and needs receiving end to
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* receive the same 'record' packets.
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*
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* This is very usefull since in general, a channel does not garantee that a
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* Packet that is sent down will not be fragmented or combined with other Packet
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* objects.
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*
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* This {@see org.activeio.SynchChannel} adds a 4 byte header
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* to each packet that is sent down.
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*
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* @version $Revision$
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*/
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final public class PacketAggregatingSynchChannel extends FilterSynchChannel { |
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private final LinkedList assembledPackets = new LinkedList(); |
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private final PacketAggregator aggregator = new PacketAggregator() { |
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| 44 | 10 |
protected void packetAssembled(Packet packet) { |
| 45 | 10 |
assembledPackets.addLast(packet); |
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} |
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}; |
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/**
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* @param next
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*/
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public PacketAggregatingSynchChannel(SynchChannel next) {
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super(next);
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} |
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public Packet read(long timeout) throws IOException { |
| 57 | 10 |
long start = System.currentTimeMillis();
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| 58 | 10 |
if( assembledPackets.isEmpty() ) {
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while( true ) { |
| 60 |
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Packet packet = getNext().read(timeout); |
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if( packet==null ) { |
| 63 | 0 |
return null; |
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} |
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aggregator.addRawPacket(packet); |
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// Should we try to get more packets?
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if( assembledPackets.isEmpty() ) {
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if( timeout == WAIT_FOREVER_TIMEOUT )
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continue;
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timeout = Math.max(0, timeout-(System.currentTimeMillis()-start)); |
| 74 | 5 |
if( timeout != 0 )
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continue;
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return null; |
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} else {
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return (Packet) assembledPackets.removeFirst();
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} |
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} |
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} else {
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return (Packet) assembledPackets.removeFirst();
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} |
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} |
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public void write(Packet packet) throws IOException { |
| 90 | 10 |
getNext().write(aggregator.getHeader(packet)); |
| 91 | 10 |
getNext().write(packet); |
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} |
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} |
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