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20 package org.apache.mina.transport.socket.nio;
21
22 import java.io.IOException;
23 import java.util.Queue;
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25 import org.apache.mina.common.ByteBuffer;
26 import org.apache.mina.common.IoFilter.WriteRequest;
27 import org.apache.mina.common.IoFilterChain;
28 import org.apache.mina.common.IoSession;
29 import org.apache.mina.common.support.AbstractIoFilterChain;
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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 @Override
43 protected void doWrite(IoSession session, WriteRequest writeRequest) {
44 SocketSessionImpl s = (SocketSessionImpl) session;
45 Queue<WriteRequest> writeRequestQueue = s.getWriteRequestQueue();
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49 ((ByteBuffer) writeRequest.getMessage()).mark();
50 synchronized (writeRequestQueue) {
51 writeRequestQueue.add(writeRequest);
52 if (writeRequestQueue.size() == 1
53 && session.getTrafficMask().isWritable()) {
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55 s.getIoProcessor().flush(s);
56 }
57 }
58 }
59
60 @Override
61 protected void doClose(IoSession session) throws IOException {
62 SocketSessionImpl s = (SocketSessionImpl) session;
63 s.getIoProcessor().remove(s);
64 }
65 }