01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: *
19: */
20: package org.apache.mina.example.udp;
21:
22: import java.net.SocketAddress;
23:
24: import org.apache.mina.common.IoBuffer;
25: import org.apache.mina.common.IdleStatus;
26: import org.apache.mina.common.IoHandlerAdapter;
27: import org.apache.mina.common.IoSession;
28:
29: /**
30: * Class the extends IoHandlerAdapter in order to properly handle
31: * connections and the data the connections send
32: *
33: * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34: * @version $Rev$, $Date$
35: */
36: public class MemoryMonitorHandler extends IoHandlerAdapter {
37:
38: private MemoryMonitor server;
39:
40: public MemoryMonitorHandler(MemoryMonitor server) {
41: this .server = server;
42: }
43:
44: @Override
45: public void exceptionCaught(IoSession session, Throwable cause)
46: throws Exception {
47: cause.printStackTrace();
48: session.close();
49: }
50:
51: @Override
52: public void messageReceived(IoSession session, Object message)
53: throws Exception {
54:
55: if (message instanceof IoBuffer) {
56: IoBuffer buffer = (IoBuffer) message;
57: SocketAddress remoteAddress = session.getRemoteAddress();
58: server.recvUpdate(remoteAddress, buffer.getLong());
59: }
60: }
61:
62: @Override
63: public void sessionClosed(IoSession session) throws Exception {
64: System.out.println("Session closed...");
65: SocketAddress remoteAddress = session.getRemoteAddress();
66: server.removeClient(remoteAddress);
67: }
68:
69: @Override
70: public void sessionCreated(IoSession session) throws Exception {
71:
72: System.out.println("Session created...");
73:
74: SocketAddress remoteAddress = session.getRemoteAddress();
75: server.addClient(remoteAddress);
76: }
77:
78: @Override
79: public void sessionIdle(IoSession session, IdleStatus status)
80: throws Exception {
81: System.out.println("Session idle...");
82: }
83:
84: @Override
85: public void sessionOpened(IoSession session) throws Exception {
86: System.out.println("Session Opened...");
87: }
88: }
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