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20 package org.apache.mina.transport.socket.nio;
21
22 import java.io.IOException;
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24 import org.apache.mina.common.ByteBuffer;
25 import org.apache.mina.common.IoFilterChain;
26 import org.apache.mina.common.IoSession;
27 import org.apache.mina.common.IoFilter.WriteRequest;
28 import org.apache.mina.common.support.AbstractIoFilterChain;
29 import org.apache.mina.util.Queue;
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36 class SocketFilterChain extends AbstractIoFilterChain {
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38 SocketFilterChain(IoSession parent) {
39 super(parent);
40 }
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42 protected void doWrite(IoSession session, WriteRequest writeRequest) {
43 SocketSessionImpl s = (SocketSessionImpl) session;
44 Queue writeRequestQueue = s.getWriteRequestQueue();
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48 ((ByteBuffer) writeRequest.getMessage()).mark();
49 synchronized (writeRequestQueue) {
50 writeRequestQueue.push(writeRequest);
51 if (writeRequestQueue.size() == 1
52 && session.getTrafficMask().isWritable()) {
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54 s.getIoProcessor().flush(s);
55 }
56 }
57 }
58
59 protected void doClose(IoSession session) throws IOException {
60 SocketSessionImpl s = (SocketSessionImpl) session;
61 s.getIoProcessor().remove(s);
62 }
63 }