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.vmpipe;
21
22 import java.io.IOException;
23 import java.net.SocketAddress;
24 import java.util.HashMap;
25 import java.util.HashSet;
26 import java.util.List;
27 import java.util.Map;
28 import java.util.Set;
29 import java.util.concurrent.Executor;
30
31 import org.apache.mina.core.future.IoFuture;
32 import org.apache.mina.core.service.AbstractIoAcceptor;
33 import org.apache.mina.core.service.IoHandler;
34 import org.apache.mina.core.service.TransportMetadata;
35 import org.apache.mina.core.session.IdleStatusChecker;
36 import org.apache.mina.core.session.IoSession;
37
38
39
40
41
42
43
44 public final class VmPipeAcceptor extends AbstractIoAcceptor {
45
46
47 private IdleStatusChecker idleChecker;
48
49 static final Map<VmPipeAddress, VmPipe> boundHandlers = new HashMap<VmPipeAddress, VmPipe>();
50
51
52
53
54 public VmPipeAcceptor() {
55 this(null);
56 }
57
58
59
60
61 public VmPipeAcceptor(Executor executor) {
62 super(new DefaultVmPipeSessionConfig(), executor);
63 idleChecker = new IdleStatusChecker();
64
65
66 executeWorker(idleChecker.getNotifyingTask(), "idleStatusChecker");
67 }
68
69 public TransportMetadata getTransportMetadata() {
70 return VmPipeSession.METADATA;
71 }
72
73 @Override
74 public VmPipeSessionConfig getSessionConfig() {
75 return (VmPipeSessionConfig) super.getSessionConfig();
76 }
77
78 @Override
79 public VmPipeAddress getLocalAddress() {
80 return (VmPipeAddress) super.getLocalAddress();
81 }
82
83 @Override
84 public VmPipeAddress getDefaultLocalAddress() {
85 return (VmPipeAddress) super.getDefaultLocalAddress();
86 }
87
88
89
90
91 public void setDefaultLocalAddress(VmPipeAddress localAddress) {
92 super.setDefaultLocalAddress(localAddress);
93 }
94
95 @Override
96 protected void dispose0() throws Exception {
97
98 idleChecker.getNotifyingTask().cancel();
99 unbind();
100 }
101
102 @Override
103 protected Set<SocketAddress> bindInternal(List<? extends SocketAddress> localAddresses) throws IOException {
104 Set<SocketAddress> newLocalAddresses = new HashSet<SocketAddress>();
105
106 synchronized (boundHandlers) {
107 for (SocketAddress a : localAddresses) {
108 VmPipeAddress localAddress = (VmPipeAddress) a;
109 if (localAddress == null || localAddress.getPort() == 0) {
110 localAddress = null;
111 for (int i = 10000; i < Integer.MAX_VALUE; i++) {
112 VmPipeAddress newLocalAddress = new VmPipeAddress(i);
113 if (!boundHandlers.containsKey(newLocalAddress) && !newLocalAddresses.contains(newLocalAddress)) {
114 localAddress = newLocalAddress;
115 break;
116 }
117 }
118
119 if (localAddress == null) {
120 throw new IOException("No port available.");
121 }
122 } else if (localAddress.getPort() < 0) {
123 throw new IOException("Bind port number must be 0 or above.");
124 } else if (boundHandlers.containsKey(localAddress)) {
125 throw new IOException("Address already bound: " + localAddress);
126 }
127
128 newLocalAddresses.add(localAddress);
129 }
130
131 for (SocketAddress a : newLocalAddresses) {
132 VmPipeAddress localAddress = (VmPipeAddress) a;
133 if (!boundHandlers.containsKey(localAddress)) {
134 boundHandlers.put(localAddress, new VmPipe(this, localAddress, getHandler(), getListeners()));
135 } else {
136 for (SocketAddress a2 : newLocalAddresses) {
137 boundHandlers.remove(a2);
138 }
139 throw new IOException("Duplicate local address: " + a);
140 }
141 }
142 }
143
144 return newLocalAddresses;
145 }
146
147 @Override
148 protected void unbind0(List<? extends SocketAddress> localAddresses) {
149 synchronized (boundHandlers) {
150 for (SocketAddress a : localAddresses) {
151 boundHandlers.remove(a);
152 }
153 }
154 }
155
156 public IoSession newSession(SocketAddress remoteAddress, SocketAddress localAddress) {
157 throw new UnsupportedOperationException();
158 }
159
160 void doFinishSessionInitialization(IoSession session, IoFuture future) {
161 initSession(session, future, null);
162 }
163 }