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20 package org.apache.mina.transport.vmpipe.support;
21
22 import java.net.SocketAddress;
23 import java.util.ArrayList;
24 import java.util.List;
25 import java.util.concurrent.BlockingQueue;
26 import java.util.concurrent.LinkedBlockingQueue;
27 import java.util.concurrent.locks.Lock;
28 import java.util.concurrent.locks.ReentrantLock;
29
30 import org.apache.mina.common.IoFilter.WriteRequest;
31 import org.apache.mina.common.IoFilterChain;
32 import org.apache.mina.common.IoHandler;
33 import org.apache.mina.common.IoService;
34 import org.apache.mina.common.IoServiceConfig;
35 import org.apache.mina.common.IoSession;
36 import org.apache.mina.common.IoSessionConfig;
37 import org.apache.mina.common.TransportType;
38 import org.apache.mina.common.support.BaseIoSession;
39 import org.apache.mina.common.support.BaseIoSessionConfig;
40 import org.apache.mina.common.support.IoServiceListenerSupport;
41
42
43
44
45
46
47
48 public class VmPipeSessionImpl extends BaseIoSession {
49 private static final IoSessionConfig CONFIG = new BaseIoSessionConfig() {
50 };
51
52 private final IoService service;
53
54 private final IoServiceConfig serviceConfig;
55
56 private final IoServiceListenerSupport serviceListeners;
57
58 private final SocketAddress localAddress;
59
60 private final SocketAddress remoteAddress;
61
62 private final SocketAddress serviceAddress;
63
64 private final IoHandler handler;
65
66 private final VmPipeFilterChain filterChain;
67
68 private final VmPipeSessionImpl remoteSession;
69
70 private final Lock lock;
71
72 final BlockingQueue<Object> pendingDataQueue;
73
74
75
76
77 public VmPipeSessionImpl( IoService service, IoServiceConfig serviceConfig,
78 IoServiceListenerSupport serviceListeners,
79 SocketAddress localAddress, IoHandler handler, VmPipe remoteEntry ) {
80 this.service = service;
81 this.serviceConfig = serviceConfig;
82 this.serviceListeners = serviceListeners;
83 this.lock = new ReentrantLock();
84 this.localAddress = localAddress;
85 this.remoteAddress = this.serviceAddress = remoteEntry.getAddress();
86 this.handler = handler;
87 this.filterChain = new VmPipeFilterChain(this);
88 this.pendingDataQueue = new LinkedBlockingQueue<Object>();
89
90 remoteSession = new VmPipeSessionImpl(this, remoteEntry);
91 }
92
93
94
95
96 private VmPipeSessionImpl(VmPipeSessionImpl remoteSession, VmPipe entry) {
97 this.service = entry.getAcceptor();
98 this.serviceConfig = entry.getConfig();
99 this.serviceListeners = entry.getListeners();
100 this.lock = remoteSession.lock;
101 this.localAddress = this.serviceAddress = remoteSession.remoteAddress;
102 this.remoteAddress = remoteSession.localAddress;
103 this.handler = entry.getHandler();
104 this.filterChain = new VmPipeFilterChain(this);
105 this.remoteSession = remoteSession;
106 this.pendingDataQueue = new LinkedBlockingQueue<Object>();
107 }
108
109 public IoService getService() {
110 return service;
111 }
112
113 IoServiceListenerSupport getServiceListeners() {
114 return serviceListeners;
115 }
116
117 public IoServiceConfig getServiceConfig() {
118 return serviceConfig;
119 }
120
121 public IoSessionConfig getConfig() {
122 return CONFIG;
123 }
124
125 public IoFilterChain getFilterChain() {
126 return filterChain;
127 }
128
129 public VmPipeSessionImpl getRemoteSession() {
130 return remoteSession;
131 }
132
133 public IoHandler getHandler() {
134 return handler;
135 }
136
137 @Override
138 protected void close0() {
139 filterChain.fireFilterClose(this);
140 }
141
142 @Override
143 protected void write0(WriteRequest writeRequest) {
144 this.filterChain.fireFilterWrite(this, writeRequest);
145 }
146
147 public TransportType getTransportType() {
148 return TransportType.VM_PIPE;
149 }
150
151 public SocketAddress getRemoteAddress() {
152 return remoteAddress;
153 }
154
155 public SocketAddress getLocalAddress() {
156 return localAddress;
157 }
158
159 public SocketAddress getServiceAddress() {
160 return serviceAddress;
161 }
162
163 @Override
164 protected void updateTrafficMask() {
165 if (getTrafficMask().isReadable() || getTrafficMask().isWritable()) {
166 List<Object> data = new ArrayList<Object>();
167
168 pendingDataQueue.drainTo(data);
169
170 for (Object aData : data) {
171 if (aData instanceof WriteRequest) {
172
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175 WriteRequest wr = (WriteRequest) aData;
176 filterChain.doWrite(this, wr);
177 } else {
178
179
180
181 filterChain.fireMessageReceived(this, aData);
182 }
183 }
184 }
185 }
186
187 Lock getLock() {
188 return lock;
189 }
190 }