1 /*
2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.net.httpserver;
27
28 import java.net;
29 import java.io;
30 import java.nio;
31 import java.security;
32 import java.nio.channels;
33 import java.util;
34 import java.util.concurrent;
35 import java.util.logging.Logger;
36 import java.util.logging.Level;
37 import javax.net.ssl;
38 import com.sun.net.httpserver;
39 import com.sun.net.httpserver.spi;
40 import sun.net.httpserver.HttpConnection.State;
41
42 /**
43 * Provides implementation for both HTTP and HTTPS
44 */
45 class ServerImpl implements TimeSource {
46
47 private String protocol;
48 private boolean https;
49 private Executor executor;
50 private HttpsConfigurator httpsConfig;
51 private SSLContext sslContext;
52 private ContextList contexts;
53 private InetSocketAddress address;
54 private ServerSocketChannel schan;
55 private Selector selector;
56 private SelectionKey listenerKey;
57 private Set<HttpConnection> idleConnections;
58 private Set<HttpConnection> allConnections;
59 /* following two are used to keep track of the times
60 * when a connection/request is first received
61 * and when we start to send the response
62 */
63 private Set<HttpConnection> reqConnections;
64 private Set<HttpConnection> rspConnections;
65 private List<Event> events;
66 private Object lolock = new Object();
67 private volatile boolean finished = false;
68 private volatile boolean terminating = false;
69 private boolean bound = false;
70 private boolean started = false;
71 private volatile long time; /* current time */
72 private volatile long subticks = 0;
73 private volatile long ticks; /* number of clock ticks since server started */
74 private HttpServer wrapper;
75
76 final static int CLOCK_TICK = ServerConfig.getClockTick();
77 final static long IDLE_INTERVAL = ServerConfig.getIdleInterval();
78 final static int MAX_IDLE_CONNECTIONS = ServerConfig.getMaxIdleConnections();
79 final static long TIMER_MILLIS = ServerConfig.getTimerMillis ();
80 final static long MAX_REQ_TIME=getTimeMillis(ServerConfig.getMaxReqTime());
81 final static long MAX_RSP_TIME=getTimeMillis(ServerConfig.getMaxRspTime());
82 final static boolean timer1Enabled = MAX_REQ_TIME != -1 || MAX_RSP_TIME != -1;
83
84 private Timer timer, timer1;
85 private Logger logger;
86
87 ServerImpl (
88 HttpServer wrapper, String protocol, InetSocketAddress addr, int backlog
89 ) throws IOException {
90
91 this.protocol = protocol;
92 this.wrapper = wrapper;
93 this.logger = Logger.getLogger ("com.sun.net.httpserver");
94 ServerConfig.checkLegacyProperties (logger);
95 https = protocol.equalsIgnoreCase ("https");
96 this.address = addr;
97 contexts = new ContextList();
98 schan = ServerSocketChannel.open();
99 if (addr != null) {
100 ServerSocket socket = schan.socket();
101 socket.bind (addr, backlog);
102 bound = true;
103 }
104 selector = Selector.open ();
105 schan.configureBlocking (false);
106 listenerKey = schan.register (selector, SelectionKey.OP_ACCEPT);
107 dispatcher = new Dispatcher();
108 idleConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
109 allConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
110 reqConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
111 rspConnections = Collections.synchronizedSet (new HashSet<HttpConnection>());
112 time = System.currentTimeMillis();
113 timer = new Timer ("server-timer", true);
114 timer.schedule (new ServerTimerTask(), CLOCK_TICK, CLOCK_TICK);
115 if (timer1Enabled) {
116 timer1 = new Timer ("server-timer1", true);
117 timer1.schedule (new ServerTimerTask1(),TIMER_MILLIS,TIMER_MILLIS);
118 logger.config ("HttpServer timer1 enabled period in ms: "+TIMER_MILLIS);
119 logger.config ("MAX_REQ_TIME: "+MAX_REQ_TIME);
120 logger.config ("MAX_RSP_TIME: "+MAX_RSP_TIME);
121 }
122 events = new LinkedList<Event>();
123 logger.config ("HttpServer created "+protocol+" "+ addr);
124 }
125
126 public void bind (InetSocketAddress addr, int backlog) throws IOException {
127 if (bound) {
128 throw new BindException ("HttpServer already bound");
129 }
130 if (addr == null) {
131 throw new NullPointerException ("null address");
132 }
133 ServerSocket socket = schan.socket();
134 socket.bind (addr, backlog);
135 bound = true;
136 }
137
138 public void start () {
139 if (!bound || started || finished) {
140 throw new IllegalStateException ("server in wrong state");
141 }
142 if (executor == null) {
143 executor = new DefaultExecutor();
144 }
145 Thread t = new Thread (dispatcher);
146 started = true;
147 t.start();
148 }
149
150 public void setExecutor (Executor executor) {
151 if (started) {
152 throw new IllegalStateException ("server already started");
153 }
154 this.executor = executor;
155 }
156
157 private static class DefaultExecutor implements Executor {
158 public void execute (Runnable task) {
159 task.run();
160 }
161 }
162
163 public Executor getExecutor () {
164 return executor;
165 }
166
167 public void setHttpsConfigurator (HttpsConfigurator config) {
168 if (config == null) {
169 throw new NullPointerException ("null HttpsConfigurator");
170 }
171 if (started) {
172 throw new IllegalStateException ("server already started");
173 }
174 this.httpsConfig = config;
175 sslContext = config.getSSLContext();
176 }
177
178 public HttpsConfigurator getHttpsConfigurator () {
179 return httpsConfig;
180 }
181
182 public void stop (int delay) {
183 if (delay < 0) {
184 throw new IllegalArgumentException ("negative delay parameter");
185 }
186 terminating = true;
187 try { schan.close(); } catch (IOException e) {}
188 selector.wakeup();
189 long latest = System.currentTimeMillis() + delay * 1000;
190 while (System.currentTimeMillis() < latest) {
191 delay();
192 if (finished) {
193 break;
194 }
195 }
196 finished = true;
197 selector.wakeup();
198 synchronized (allConnections) {
199 for (HttpConnection c : allConnections) {
200 c.close();
201 }
202 }
203 allConnections.clear();
204 idleConnections.clear();
205 timer.cancel();
206 if (timer1Enabled) {
207 timer1.cancel();
208 }
209 }
210
211 Dispatcher dispatcher;
212
213 public synchronized HttpContextImpl createContext (String path, HttpHandler handler) {
214 if (handler == null || path == null) {
215 throw new NullPointerException ("null handler, or path parameter");
216 }
217 HttpContextImpl context = new HttpContextImpl (protocol, path, handler, this);
218 contexts.add (context);
219 logger.config ("context created: " + path);
220 return context;
221 }
222
223 public synchronized HttpContextImpl createContext (String path) {
224 if (path == null) {
225 throw new NullPointerException ("null path parameter");
226 }
227 HttpContextImpl context = new HttpContextImpl (protocol, path, null, this);
228 contexts.add (context);
229 logger.config ("context created: " + path);
230 return context;
231 }
232
233 public synchronized void removeContext (String path) throws IllegalArgumentException {
234 if (path == null) {
235 throw new NullPointerException ("null path parameter");
236 }
237 contexts.remove (protocol, path);
238 logger.config ("context removed: " + path);
239 }
240
241 public synchronized void removeContext (HttpContext context) throws IllegalArgumentException {
242 if (!(context instanceof HttpContextImpl)) {
243 throw new IllegalArgumentException ("wrong HttpContext type");
244 }
245 contexts.remove ((HttpContextImpl)context);
246 logger.config ("context removed: " + context.getPath());
247 }
248
249 public InetSocketAddress getAddress() {
250 return (InetSocketAddress)schan.socket().getLocalSocketAddress();
251 }
252
253 Selector getSelector () {
254 return selector;
255 }
256
257 void addEvent (Event r) {
258 synchronized (lolock) {
259 events.add (r);
260 selector.wakeup();
261 }
262 }
263
264 /* main server listener task */
265
266 class Dispatcher implements Runnable {
267
268 private void handleEvent (Event r) {
269 ExchangeImpl t = r.exchange;
270 HttpConnection c = t.getConnection();
271 try {
272 if (r instanceof WriteFinishedEvent) {
273
274 int exchanges = endExchange();
275 if (terminating && exchanges == 0) {
276 finished = true;
277 }
278 responseCompleted (c);
279 LeftOverInputStream is = t.getOriginalInputStream();
280 if (!is.isEOF()) {
281 t.close = true;
282 }
283 if (t.close || idleConnections.size() >= MAX_IDLE_CONNECTIONS) {
284 c.close();
285 allConnections.remove (c);
286 } else {
287 if (is.isDataBuffered()) {
288 /* don't re-enable the interestops, just handle it */
289 requestStarted (c);
290 handle (c.getChannel(), c);
291 } else {
292 connsToRegister.add (c);
293 }
294 }
295 }
296 } catch (IOException e) {
297 logger.log (
298 Level.FINER, "Dispatcher (1)", e
299 );
300 c.close();
301 }
302 }
303
304 final LinkedList<HttpConnection> connsToRegister =
305 new LinkedList<HttpConnection>();
306
307 void reRegister (HttpConnection c) {
308 /* re-register with selector */
309 try {
310 SocketChannel chan = c.getChannel();
311 chan.configureBlocking (false);
312 SelectionKey key = chan.register (selector, SelectionKey.OP_READ);
313 key.attach (c);
314 c.selectionKey = key;
315 c.time = getTime() + IDLE_INTERVAL;
316 idleConnections.add (c);
317 } catch (IOException e) {
318 dprint(e);
319 logger.log(Level.FINER, "Dispatcher(8)", e);
320 c.close();
321 }
322 }
323
324 public void run() {
325 while (!finished) {
326 try {
327 ListIterator<HttpConnection> li =
328 connsToRegister.listIterator();
329 for (HttpConnection c : connsToRegister) {
330 reRegister(c);
331 }
332 connsToRegister.clear();
333
334 List<Event> list = null;
335 selector.select(1000);
336 synchronized (lolock) {
337 if (events.size() > 0) {
338 list = events;
339 events = new LinkedList<Event>();
340 }
341 }
342
343 if (list != null) {
344 for (Event r: list) {
345 handleEvent (r);
346 }
347 }
348
349 /* process the selected list now */
350
351 Set<SelectionKey> selected = selector.selectedKeys();
352 Iterator<SelectionKey> iter = selected.iterator();
353 while (iter.hasNext()) {
354 SelectionKey key = iter.next();
355 iter.remove ();
356 if (key.equals (listenerKey)) {
357 if (terminating) {
358 continue;
359 }
360 SocketChannel chan = schan.accept();
361 if (chan == null) {
362 continue; /* cancel something ? */
363 }
364 chan.configureBlocking (false);
365 SelectionKey newkey = chan.register (selector, SelectionKey.OP_READ);
366 HttpConnection c = new HttpConnection ();
367 c.selectionKey = newkey;
368 c.setChannel (chan);
369 newkey.attach (c);
370 requestStarted (c);
371 allConnections.add (c);
372 } else {
373 try {
374 if (key.isReadable()) {
375 boolean closed;
376 SocketChannel chan = (SocketChannel)key.channel();
377 HttpConnection conn = (HttpConnection)key.attachment();
378
379 key.cancel();
380 chan.configureBlocking (true);
381 if (idleConnections.remove(conn)) {
382 // was an idle connection so add it
383 // to reqConnections set.
384 requestStarted (conn);
385 }
386 handle (chan, conn);
387 } else {
388 assert false;
389 }
390 } catch (CancelledKeyException e) {
391 handleException(key, null);
392 } catch (IOException e) {
393 handleException(key, e);
394 }
395 }
396 }
397 // call the selector just to process the cancelled keys
398 selector.selectNow();
399 } catch (IOException e) {
400 logger.log (Level.FINER, "Dispatcher (4)", e);
401 } catch (Exception e) {
402 e.printStackTrace();
403 logger.log (Level.FINER, "Dispatcher (7)", e);
404 }
405 }
406 }
407
408 private void handleException (SelectionKey key, Exception e) {
409 HttpConnection conn = (HttpConnection)key.attachment();
410 if (e != null) {
411 logger.log (Level.FINER, "Dispatcher (2)", e);
412 }
413 closeConnection(conn);
414 }
415
416 public void handle (SocketChannel chan, HttpConnection conn)
417 throws IOException
418 {
419 try {
420 Exchange t = new Exchange (chan, protocol, conn);
421 executor.execute (t);
422 } catch (HttpError e1) {
423 logger.log (Level.FINER, "Dispatcher (4)", e1);
424 closeConnection(conn);
425 } catch (IOException e) {
426 logger.log (Level.FINER, "Dispatcher (5)", e);
427 closeConnection(conn);
428 }
429 }
430 }
431
432 static boolean debug = ServerConfig.debugEnabled ();
433
434 static synchronized void dprint (String s) {
435 if (debug) {
436 System.out.println (s);
437 }
438 }
439
440 static synchronized void dprint (Exception e) {
441 if (debug) {
442 System.out.println (e);
443 e.printStackTrace();
444 }
445 }
446
447 Logger getLogger () {
448 return logger;
449 }
450
451 private void closeConnection(HttpConnection conn) {
452 conn.close();
453 allConnections.remove(conn);
454 switch (conn.getState()) {
455 case REQUEST:
456 reqConnections.remove(conn);
457 break;
458 case RESPONSE:
459 rspConnections.remove(conn);
460 break;
461 case IDLE:
462 idleConnections.remove(conn);
463 break;
464 }
465 assert !reqConnections.remove(conn);
466 assert !rspConnections.remove(conn);
467 assert !idleConnections.remove(conn);
468 }
469
470 /* per exchange task */
471
472 class Exchange implements Runnable {
473 SocketChannel chan;
474 HttpConnection connection;
475 HttpContextImpl context;
476 InputStream rawin;
477 OutputStream rawout;
478 String protocol;
479 ExchangeImpl tx;
480 HttpContextImpl ctx;
481 boolean rejected = false;
482
483 Exchange (SocketChannel chan, String protocol, HttpConnection conn) throws IOException {
484 this.chan = chan;
485 this.connection = conn;
486 this.protocol = protocol;
487 }
488
489 public void run () {
490 /* context will be null for new connections */
491 context = connection.getHttpContext();
492 boolean newconnection;
493 SSLEngine engine = null;
494 String requestLine = null;
495 SSLStreams sslStreams = null;
496 try {
497 if (context != null ) {
498 this.rawin = connection.getInputStream();
499 this.rawout = connection.getRawOutputStream();
500 newconnection = false;
501 } else {
502 /* figure out what kind of connection this is */
503 newconnection = true;
504 if (https) {
505 if (sslContext == null) {
506 logger.warning ("SSL connection received. No https contxt created");
507 throw new HttpError ("No SSL context established");
508 }
509 sslStreams = new SSLStreams (ServerImpl.this, sslContext, chan);
510 rawin = sslStreams.getInputStream();
511 rawout = sslStreams.getOutputStream();
512 engine = sslStreams.getSSLEngine();
513 connection.sslStreams = sslStreams;
514 } else {
515 rawin = new BufferedInputStream(
516 new Request.ReadStream (
517 ServerImpl.this, chan
518 ));
519 rawout = new Request.WriteStream (
520 ServerImpl.this, chan
521 );
522 }
523 connection.raw = rawin;
524 connection.rawout = rawout;
525 }
526 Request req = new Request (rawin, rawout);
527 requestLine = req.requestLine();
528 if (requestLine == null) {
529 /* connection closed */
530 closeConnection(connection);
531 return;
532 }
533 int space = requestLine.indexOf (' ');
534 if (space == -1) {
535 reject (Code.HTTP_BAD_REQUEST,
536 requestLine, "Bad request line");
537 return;
538 }
539 String method = requestLine.substring (0, space);
540 int start = space+1;
541 space = requestLine.indexOf(' ', start);
542 if (space == -1) {
543 reject (Code.HTTP_BAD_REQUEST,
544 requestLine, "Bad request line");
545 return;
546 }
547 String uriStr = requestLine.substring (start, space);
548 URI uri = new URI (uriStr);
549 start = space+1;
550 String version = requestLine.substring (start);
551 Headers headers = req.headers();
552 String s = headers.getFirst ("Transfer-encoding");
553 long clen = 0L;
554 if (s !=null && s.equalsIgnoreCase ("chunked")) {
555 clen = -1L;
556 } else {
557 s = headers.getFirst ("Content-Length");
558 if (s != null) {
559 clen = Long.parseLong(s);
560 }
561 if (clen == 0) {
562 requestCompleted (connection);
563 }
564 }
565 ctx = contexts.findContext (protocol, uri.getPath());
566 if (ctx == null) {
567 reject (Code.HTTP_NOT_FOUND,
568 requestLine, "No context found for request");
569 return;
570 }
571 connection.setContext (ctx);
572 if (ctx.getHandler() == null) {
573 reject (Code.HTTP_INTERNAL_ERROR,
574 requestLine, "No handler for context");
575 return;
576 }
577 tx = new ExchangeImpl (
578 method, uri, req, clen, connection
579 );
580 String chdr = headers.getFirst("Connection");
581 Headers rheaders = tx.getResponseHeaders();
582
583 if (chdr != null && chdr.equalsIgnoreCase ("close")) {
584 tx.close = true;
585 }
586 if (version.equalsIgnoreCase ("http/1.0")) {
587 tx.http10 = true;
588 if (chdr == null) {
589 tx.close = true;
590 rheaders.set ("Connection", "close");
591 } else if (chdr.equalsIgnoreCase ("keep-alive")) {
592 rheaders.set ("Connection", "keep-alive");
593 int idle=(int)ServerConfig.getIdleInterval()/1000;
594 int max=(int)ServerConfig.getMaxIdleConnections();
595 String val = "timeout="+idle+", max="+max;
596 rheaders.set ("Keep-Alive", val);
597 }
598 }
599
600 if (newconnection) {
601 connection.setParameters (
602 rawin, rawout, chan, engine, sslStreams,
603 sslContext, protocol, ctx, rawin
604 );
605 }
606 /* check if client sent an Expect 100 Continue.
607 * In that case, need to send an interim response.
608 * In future API may be modified to allow app to
609 * be involved in this process.
610 */
611 String exp = headers.getFirst("Expect");
612 if (exp != null && exp.equalsIgnoreCase ("100-continue")) {
613 logReply (100, requestLine, null);
614 sendReply (
615 Code.HTTP_CONTINUE, false, null
616 );
617 }
618 /* uf is the list of filters seen/set by the user.
619 * sf is the list of filters established internally
620 * and which are not visible to the user. uc and sc
621 * are the corresponding Filter.Chains.
622 * They are linked together by a LinkHandler
623 * so that they can both be invoked in one call.
624 */
625 List<Filter> sf = ctx.getSystemFilters();
626 List<Filter> uf = ctx.getFilters();
627
628 Filter.Chain sc = new Filter.Chain(sf, ctx.getHandler());
629 Filter.Chain uc = new Filter.Chain(uf, new LinkHandler (sc));
630
631 /* set up the two stream references */
632 tx.getRequestBody();
633 tx.getResponseBody();
634 if (https) {
635 uc.doFilter (new HttpsExchangeImpl (tx));
636 } else {
637 uc.doFilter (new HttpExchangeImpl (tx));
638 }
639
640 } catch (IOException e1) {
641 logger.log (Level.FINER, "ServerImpl.Exchange (1)", e1);
642 closeConnection(connection);
643 } catch (NumberFormatException e3) {
644 reject (Code.HTTP_BAD_REQUEST,
645 requestLine, "NumberFormatException thrown");
646 } catch (URISyntaxException e) {
647 reject (Code.HTTP_BAD_REQUEST,
648 requestLine, "URISyntaxException thrown");
649 } catch (Exception e4) {
650 logger.log (Level.FINER, "ServerImpl.Exchange (2)", e4);
651 closeConnection(connection);
652 }
653 }
654
655 /* used to link to 2 or more Filter.Chains together */
656
657 class LinkHandler implements HttpHandler {
658 Filter.Chain nextChain;
659
660 LinkHandler (Filter.Chain nextChain) {
661 this.nextChain = nextChain;
662 }
663
664 public void handle (HttpExchange exchange) throws IOException {
665 nextChain.doFilter (exchange);
666 }
667 }
668
669 void reject (int code, String requestStr, String message) {
670 rejected = true;
671 logReply (code, requestStr, message);
672 sendReply (
673 code, false, "<h1>"+code+Code.msg(code)+"</h1>"+message
674 );
675 closeConnection(connection);
676 }
677
678 void sendReply (
679 int code, boolean closeNow, String text)
680 {
681 try {
682 StringBuilder builder = new StringBuilder (512);
683 builder.append ("HTTP/1.1 ")
684 .append (code).append (Code.msg(code)).append ("\r\n");
685
686 if (text != null && text.length() != 0) {
687 builder.append ("Content-Length: ")
688 .append (text.length()).append ("\r\n")
689 .append ("Content-Type: text/html\r\n");
690 } else {
691 builder.append ("Content-Length: 0\r\n");
692 text = "";
693 }
694 if (closeNow) {
695 builder.append ("Connection: close\r\n");
696 }
697 builder.append ("\r\n").append (text);
698 String s = builder.toString();
699 byte[] b = s.getBytes("ISO8859_1");
700 rawout.write (b);
701 rawout.flush();
702 if (closeNow) {
703 closeConnection(connection);
704 }
705 } catch (IOException e) {
706 logger.log (Level.FINER, "ServerImpl.sendReply", e);
707 closeConnection(connection);
708 }
709 }
710
711 }
712
713 void logReply (int code, String requestStr, String text) {
714 if (!logger.isLoggable(Level.FINE)) {
715 return;
716 }
717 if (text == null) {
718 text = "";
719 }
720 String r;
721 if (requestStr.length() > 80) {
722 r = requestStr.substring (0, 80) + "<TRUNCATED>";
723 } else {
724 r = requestStr;
725 }
726 String message = r + " [" + code + " " +
727 Code.msg(code) + "] ("+text+")";
728 logger.fine (message);
729 }
730
731 long getTicks() {
732 return ticks;
733 }
734
735 public long getTime() {
736 return time;
737 }
738
739 void delay () {
740 Thread.yield();
741 try {
742 Thread.sleep (200);
743 } catch (InterruptedException e) {}
744 }
745
746 private int exchangeCount = 0;
747
748 synchronized void startExchange () {
749 exchangeCount ++;
750 }
751
752 synchronized int endExchange () {
753 exchangeCount --;
754 assert exchangeCount >= 0;
755 return exchangeCount;
756 }
757
758 HttpServer getWrapper () {
759 return wrapper;
760 }
761
762 void requestStarted (HttpConnection c) {
763 c.creationTime = getTime();
764 c.setState (State.REQUEST);
765 reqConnections.add (c);
766 }
767
768 // called after a request has been completely read
769 // by the server. This stops the timer which would
770 // close the connection if the request doesn't arrive
771 // quickly enough. It then starts the timer
772 // that ensures the client reads the response in a timely
773 // fashion.
774
775 void requestCompleted (HttpConnection c) {
776 assert c.getState() == State.REQUEST;
777 reqConnections.remove (c);
778 c.rspStartedTime = getTime();
779 rspConnections.add (c);
780 c.setState (State.RESPONSE);
781 }
782
783 // called after response has been sent
784 void responseCompleted (HttpConnection c) {
785 assert c.getState() == State.RESPONSE;
786 rspConnections.remove (c);
787 c.setState (State.IDLE);
788 }
789
790 /**
791 * TimerTask run every CLOCK_TICK ms
792 */
793 class ServerTimerTask extends TimerTask {
794 public void run () {
795 LinkedList<HttpConnection> toClose = new LinkedList<HttpConnection>();
796 time = System.currentTimeMillis();
797 ticks ++;
798 synchronized (idleConnections) {
799 for (HttpConnection c : idleConnections) {
800 if (c.time <= time) {
801 toClose.add (c);
802 }
803 }
804 for (HttpConnection c : toClose) {
805 idleConnections.remove (c);
806 allConnections.remove (c);
807 c.close();
808 }
809 }
810 }
811 }
812
813 class ServerTimerTask1 extends TimerTask {
814
815 // runs every TIMER_MILLIS
816 public void run () {
817 LinkedList<HttpConnection> toClose = new LinkedList<HttpConnection>();
818 time = System.currentTimeMillis();
819 synchronized (reqConnections) {
820 if (MAX_REQ_TIME != -1) {
821 for (HttpConnection c : reqConnections) {
822 if (c.creationTime + TIMER_MILLIS + MAX_REQ_TIME <= time) {
823 toClose.add (c);
824 }
825 }
826 for (HttpConnection c : toClose) {
827 logger.log (Level.FINE, "closing: no request: " + c);
828 reqConnections.remove (c);
829 allConnections.remove (c);
830 c.close();
831 }
832 }
833 }
834 toClose = new LinkedList<HttpConnection>();
835 synchronized (rspConnections) {
836 if (MAX_RSP_TIME != -1) {
837 for (HttpConnection c : rspConnections) {
838 if (c.rspStartedTime + TIMER_MILLIS +MAX_RSP_TIME <= time) {
839 toClose.add (c);
840 }
841 }
842 for (HttpConnection c : toClose) {
843 logger.log (Level.FINE, "closing: no response: " + c);
844 rspConnections.remove (c);
845 allConnections.remove (c);
846 c.close();
847 }
848 }
849 }
850 }
851 }
852
853 void logStackTrace (String s) {
854 logger.finest (s);
855 StringBuilder b = new StringBuilder ();
856 StackTraceElement[] e = Thread.currentThread().getStackTrace();
857 for (int i=0; i<e.length; i++) {
858 b.append (e[i].toString()).append("\n");
859 }
860 logger.finest (b.toString());
861 }
862
863 static long getTimeMillis(long secs) {
864 if (secs == -1) {
865 return -1;
866 } else {
867 return secs * 1000;
868 }
869 }
870 }
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