1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 package org.apache.mina.transport.socket.nio;
21
22 import java.io.IOException;
23
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;
30
31
32
33
34
35
36 class SocketFilterChain extends AbstractIoFilterChain {
37
38 SocketFilterChain(IoSession parent) {
39 super(parent);
40 }
41
42 protected void doWrite(IoSession session, WriteRequest writeRequest) {
43 SocketSessionImpl s = (SocketSessionImpl) session;
44 Queue writeRequestQueue = s.getWriteRequestQueue();
45
46
47
48 ByteBuffer buffer = (ByteBuffer) writeRequest.getMessage();
49 buffer.mark();
50
51 int remaining = buffer.remaining();
52 if (remaining == 0) {
53 s.increaseScheduledWriteRequests();
54 } else {
55 s.increaseScheduledWriteBytes(buffer.remaining());
56 }
57
58 synchronized (writeRequestQueue) {
59 writeRequestQueue.push(writeRequest);
60 }
61
62 if (session.getTrafficMask().isWritable()) {
63 s.getIoProcessor().flush(s);
64 }
65 }
66
67 protected void doClose(IoSession session) throws IOException {
68 SocketSessionImpl s = (SocketSessionImpl) session;
69 s.getIoProcessor().remove(s);
70 }
71 }