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package com.sun.grizzly.connectioncache.client; |
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|
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import com.sun.grizzly.CallbackHandler; |
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import com.sun.grizzly.ConnectorHandler; |
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import com.sun.grizzly.Context; |
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import com.sun.grizzly.Controller; |
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import com.sun.grizzly.Controller.Protocol; |
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import com.sun.grizzly.IOEvent; |
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import com.sun.grizzly.SelectorHandler; |
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import com.sun.grizzly.connectioncache.spi.transport.ContactInfo; |
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import java.io.IOException; |
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import java.net.SocketAddress; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.ClosedChannelException; |
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import java.nio.channels.SelectableChannel; |
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import java.nio.channels.SelectionKey; |
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import java.nio.channels.Selector; |
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|
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|
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|
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|
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|
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|
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|
63 | 2 | public class CacheableConnectorHandler implements ConnectorHandler<SelectorHandler, CallbackHandler>, |
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ContactInfo<ConnectorHandler>, CallbackHandler { |
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private SocketAddress targetAddress; |
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private Protocol protocol; |
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private SelectorHandler selectorHandler; |
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|
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private CacheableConnectorHandlerPool parentPool; |
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private ConnectorHandler underlyingConnectorHandler; |
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private CallbackHandler underlyingCallbackHandler; |
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|
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private ConnectExecutor connectExecutor; |
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|
75 | 1 | public CacheableConnectorHandler(CacheableConnectorHandlerPool parentPool) { |
76 | 1 | this.parentPool = parentPool; |
77 | 1 | connectExecutor = new ConnectExecutor(); |
78 | 1 | } |
79 | |
|
80 | |
void setProtocol(Protocol protocol) { |
81 | 10 | this.protocol = protocol; |
82 | 10 | } |
83 | |
|
84 | |
public Protocol protocol() { |
85 | 0 | return protocol; |
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} |
87 | |
|
88 | |
|
89 | |
public void connect(SocketAddress remoteAddress, CallbackHandler callbackHandler, SelectorHandler selectorHandler) throws IOException { |
90 | 0 | connectExecutor.setParameters(remoteAddress, callbackHandler, selectorHandler); |
91 | 0 | doConnect(remoteAddress); |
92 | 0 | } |
93 | |
|
94 | |
|
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public void connect(SocketAddress remoteAddress, CallbackHandler callbackHandler) throws IOException { |
96 | 10 | connectExecutor.setParameters(remoteAddress, callbackHandler); |
97 | 10 | doConnect(remoteAddress); |
98 | 10 | } |
99 | |
|
100 | |
|
101 | |
public void connect(SocketAddress remoteAddress) throws IOException { |
102 | 0 | connectExecutor.setParameters(remoteAddress); |
103 | 0 | doConnect(remoteAddress); |
104 | 0 | } |
105 | |
|
106 | |
|
107 | |
public void connect(SocketAddress remoteAddress, SocketAddress localAddress, |
108 | |
CallbackHandler callbackHandler, SelectorHandler selectorHandler) throws IOException { |
109 | 0 | connectExecutor.setParameters(remoteAddress, localAddress, callbackHandler, selectorHandler); |
110 | 0 | doConnect(remoteAddress); |
111 | 0 | } |
112 | |
|
113 | |
|
114 | |
public void connect(SocketAddress remoteAddress, SocketAddress localAddress, CallbackHandler callbackHandler) throws IOException { |
115 | 0 | connectExecutor.setParameters(remoteAddress, localAddress, callbackHandler); |
116 | 0 | doConnect(remoteAddress); |
117 | 0 | } |
118 | |
|
119 | |
|
120 | |
public void connect(SocketAddress remoteAddress, SocketAddress localAddress) throws IOException { |
121 | 0 | connectExecutor.setParameters(remoteAddress, localAddress); |
122 | 0 | doConnect(remoteAddress); |
123 | 0 | } |
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128 | |
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public void release(int expectedResponseCount) { |
135 | 0 | parentPool.getOutboundConnectionCache().release(underlyingConnectorHandler, expectedResponseCount); |
136 | 0 | } |
137 | |
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138 | |
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139 | |
|
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|
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|
142 | |
public void responseReceived() { |
143 | 0 | parentPool.getOutboundConnectionCache().responseReceived(underlyingConnectorHandler); |
144 | 0 | } |
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146 | |
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147 | |
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148 | |
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149 | |
|
150 | |
private void doConnect(SocketAddress targetAddress) throws IOException { |
151 | 10 | this.targetAddress = targetAddress; |
152 | 10 | selectorHandler = connectExecutor.selectorHandler; |
153 | 10 | underlyingCallbackHandler = connectExecutor.callbackHandler; |
154 | 10 | underlyingConnectorHandler = parentPool. |
155 | |
getOutboundConnectionCache().get(this, parentPool.getConnectionFinder()); |
156 | |
|
157 | |
|
158 | 10 | if (!connectExecutor.wasCalled()) { |
159 | |
|
160 | 9 | underlyingConnectorHandler.setCallbackHandler(this); |
161 | 9 | notifyCallbackHandlerPseudoConnect(); |
162 | |
} |
163 | 10 | } |
164 | |
|
165 | |
|
166 | |
public void close() throws IOException { |
167 | 10 | parentPool.getOutboundConnectionCache().release(underlyingConnectorHandler, 0); |
168 | 10 | } |
169 | |
|
170 | |
public long read(ByteBuffer byteBuffer, boolean blocking) throws IOException { |
171 | 1000 | return underlyingConnectorHandler.read(byteBuffer, blocking); |
172 | |
} |
173 | |
|
174 | |
public long write(ByteBuffer byteBuffer, boolean blocking) throws IOException { |
175 | 1000 | return underlyingConnectorHandler.write(byteBuffer, blocking); |
176 | |
} |
177 | |
|
178 | |
public void finishConnect(SelectionKey key) { |
179 | |
|
180 | 10 | if (connectExecutor.wasCalled()) { |
181 | |
try{ |
182 | 1 | underlyingConnectorHandler.finishConnect(key); |
183 | 0 | } catch (IOException ex){ |
184 | 0 | Controller.logger().severe(ex.getMessage()); |
185 | 1 | } |
186 | |
} |
187 | 10 | } |
188 | |
|
189 | |
public void setController(Controller controller) { |
190 | 0 | underlyingConnectorHandler.setController(controller); |
191 | 0 | } |
192 | |
|
193 | |
public Controller getController() { |
194 | 0 | return underlyingConnectorHandler.getController(); |
195 | |
} |
196 | |
|
197 | |
public SelectableChannel getUnderlyingChannel() { |
198 | 0 | return underlyingConnectorHandler.getUnderlyingChannel(); |
199 | |
} |
200 | |
|
201 | |
public CallbackHandler getCallbackHandler() { |
202 | 0 | return underlyingConnectorHandler.getCallbackHandler(); |
203 | |
} |
204 | |
|
205 | |
public void setCallbackHandler(CallbackHandler callbackHandler) { |
206 | 0 | underlyingConnectorHandler.setCallbackHandler(callbackHandler); |
207 | 0 | } |
208 | |
|
209 | |
public SelectorHandler getSelectorHandler() { |
210 | 0 | return underlyingConnectorHandler.getSelectorHandler(); |
211 | |
} |
212 | |
|
213 | |
|
214 | |
|
215 | |
public ConnectorHandler createConnection() throws IOException { |
216 | 1 | underlyingConnectorHandler = parentPool.getProtocolConnectorHandlerPool().acquireConnectorHandler(protocol); |
217 | |
|
218 | 1 | connectExecutor.setConnectorHandler(underlyingConnectorHandler); |
219 | 1 | connectExecutor.invokeProtocolConnect(); |
220 | 1 | return underlyingConnectorHandler; |
221 | |
} |
222 | |
|
223 | |
@Override |
224 | |
public String toString() { |
225 | 0 | StringBuffer sb = new StringBuffer(); |
226 | 0 | sb.append(getClass().getName()); |
227 | 0 | sb.append(" targetAddress: "); |
228 | 0 | sb.append(targetAddress); |
229 | 0 | sb.append(" protocol: "); |
230 | 0 | sb.append(protocol); |
231 | 0 | sb.append(" hashCode: "); |
232 | 0 | sb.append(super.hashCode()); |
233 | 0 | return sb.toString(); |
234 | |
} |
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|
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|
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@Override |
238 | |
public int hashCode() { |
239 | 11 | return targetAddress.hashCode() ^ protocol.hashCode(); |
240 | |
} |
241 | |
|
242 | |
@Override |
243 | |
public boolean equals(Object o) { |
244 | 0 | if (o instanceof CacheableConnectorHandler) { |
245 | 0 | CacheableConnectorHandler handler = (CacheableConnectorHandler) o; |
246 | 0 | if (selectorHandler == null || handler.selectorHandler == null) { |
247 | 0 | return targetAddress.equals(handler.targetAddress) && |
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protocol.equals(handler.protocol); |
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} else { |
250 | 0 | return targetAddress.equals(handler.targetAddress) && |
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protocol.equals(handler.protocol) && |
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selectorHandler == handler.selectorHandler; |
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} |
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} |
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|
256 | 0 | return false; |
257 | |
} |
258 | |
|
259 | |
|
260 | |
private void notifyCallbackHandlerPseudoConnect() throws ClosedChannelException { |
261 | 9 | Selector protocolSelector = underlyingConnectorHandler.getSelectorHandler().getSelector(); |
262 | 9 | SelectionKey key = underlyingConnectorHandler.getUnderlyingChannel().keyFor(protocolSelector); |
263 | 9 | if (key == null) { |
264 | |
|
265 | 0 | key = underlyingConnectorHandler.getUnderlyingChannel(). |
266 | |
register(protocolSelector, SelectionKey.OP_CONNECT); |
267 | |
} |
268 | |
|
269 | 9 | assert key != null; |
270 | |
|
271 | 9 | final Context context = parentPool.getController().pollContext(key); |
272 | 9 | onConnect(new IOEvent.DefaultIOEvent<Context>(context)); |
273 | 9 | } |
274 | |
|
275 | |
|
276 | |
public void onConnect(IOEvent ioEvent) { |
277 | 10 | if (underlyingCallbackHandler == null) { |
278 | 0 | underlyingCallbackHandler = new CallbackHandler<Context>(){ |
279 | |
public void onConnect(IOEvent<Context> ioEvent) { |
280 | 0 | SelectionKey key = ioEvent.attachment().getSelectionKey(); |
281 | 0 | finishConnect(key); |
282 | 0 | getController().registerKey(key,SelectionKey.OP_WRITE, |
283 | |
protocol); |
284 | 0 | } |
285 | 0 | public void onRead(IOEvent<Context> ioEvent) {} |
286 | 0 | public void onWrite(IOEvent<Context> ioEvent) {} |
287 | |
}; |
288 | |
} |
289 | |
|
290 | 10 | underlyingCallbackHandler.onConnect(ioEvent); |
291 | 10 | } |
292 | |
|
293 | |
public void onRead(IOEvent ioEvent) { |
294 | 793 | underlyingCallbackHandler.onRead(ioEvent); |
295 | 793 | } |
296 | |
|
297 | |
public void onWrite(IOEvent ioEvent) { |
298 | 0 | underlyingCallbackHandler.onWrite(ioEvent); |
299 | 0 | } |
300 | |
|
301 | |
|
302 | |
|
303 | |
|
304 | |
|
305 | 22 | private class ConnectExecutor { |
306 | |
private int methodNumber; |
307 | |
private ConnectorHandler connectorHandler; |
308 | |
private SocketAddress remoteAddress; |
309 | |
private SocketAddress localAddress; |
310 | |
private SelectorHandler selectorHandler; |
311 | |
private CallbackHandler callbackHandler; |
312 | |
private boolean wasCalled; |
313 | |
|
314 | |
public void setConnectorHandler(ConnectorHandler connectorHandler) { |
315 | 1 | this.connectorHandler = connectorHandler; |
316 | 1 | } |
317 | |
|
318 | |
public void setParameters(SocketAddress remoteAddress, CallbackHandler callbackHandler, SelectorHandler selectorHandler) { |
319 | 0 | setParameters(remoteAddress, null, callbackHandler, selectorHandler); |
320 | 0 | methodNumber = 1; |
321 | 0 | } |
322 | |
|
323 | |
public void setParameters(SocketAddress remoteAddress, CallbackHandler callbackHandler) { |
324 | 10 | setParameters(remoteAddress, null, callbackHandler); |
325 | 10 | methodNumber = 2; |
326 | 10 | } |
327 | |
|
328 | |
public void setParameters(SocketAddress remoteAddress) { |
329 | 0 | setParameters(remoteAddress, (SocketAddress) null); |
330 | 0 | methodNumber = 3; |
331 | 0 | } |
332 | |
|
333 | |
public void setParameters(SocketAddress remoteAddress, SocketAddress localAddress, CallbackHandler callbackHandler,SelectorHandler selectorHandler) { |
334 | 10 | wasCalled = false; |
335 | 10 | this.remoteAddress = remoteAddress; |
336 | 10 | this.localAddress = localAddress; |
337 | 10 | this.callbackHandler = callbackHandler; |
338 | 10 | this.selectorHandler = selectorHandler; |
339 | 10 | methodNumber = 4; |
340 | 10 | } |
341 | |
|
342 | |
public void setParameters(SocketAddress remoteAddress, SocketAddress localAddress, CallbackHandler callbackHandler) { |
343 | 10 | setParameters(remoteAddress, localAddress, callbackHandler , null); |
344 | 10 | methodNumber = 5; |
345 | 10 | } |
346 | |
|
347 | |
public void setParameters(SocketAddress remoteAddress, SocketAddress localAddress) { |
348 | 0 | setParameters(remoteAddress, localAddress, null); |
349 | 0 | methodNumber = 6; |
350 | 0 | } |
351 | |
|
352 | |
public boolean wasCalled() { |
353 | 20 | return wasCalled; |
354 | |
} |
355 | |
|
356 | |
public void invokeProtocolConnect() throws IOException { |
357 | 1 | wasCalled = true; |
358 | 1 | switch(methodNumber) { |
359 | 0 | case 1: connectorHandler.connect(remoteAddress, CacheableConnectorHandler.this, selectorHandler); |
360 | 0 | break; |
361 | |
case 2: |
362 | 1 | case 3: connectorHandler.connect(remoteAddress, CacheableConnectorHandler.this); |
363 | 1 | break; |
364 | 0 | case 4: connectorHandler.connect(remoteAddress, localAddress, CacheableConnectorHandler.this, selectorHandler); |
365 | 0 | break; |
366 | |
case 5: |
367 | 0 | case 6: connectorHandler.connect(remoteAddress, localAddress, CacheableConnectorHandler.this); |
368 | 0 | break; |
369 | 0 | default: throw new IllegalStateException("Can not find appropriate connect method: " + methodNumber); |
370 | |
} |
371 | 1 | } |
372 | |
} |
373 | |
} |