Mercurial Hosting > luan
annotate src/goodjava/webserver/handlers/DomainHandler.java @ 1853:b16d0991ae51 default tip
minor
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Sun, 23 Feb 2025 12:43:11 -0700 |
| parents | 64b7076c635c |
| children |
| rev | line source |
|---|---|
|
1402
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1401
diff
changeset
|
1 package goodjava.webserver.handlers; |
| 1315 | 2 |
| 3 import java.io.Closeable; | |
| 4 import java.io.IOException; | |
| 5 import java.util.Map; | |
| 1443 | 6 import java.util.Set; |
| 1601 | 7 import java.util.Collections; |
| 1443 | 8 import java.util.Timer; |
| 9 import java.util.TimerTask; | |
| 10 import java.util.concurrent.ConcurrentHashMap; | |
| 1498 | 11 import goodjava.util.SoftCacheMap; |
| 1766 | 12 import goodjava.util.WeakCacheMap; |
|
1402
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1401
diff
changeset
|
13 import goodjava.logging.Logger; |
|
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1401
diff
changeset
|
14 import goodjava.logging.LoggerFactory; |
|
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1401
diff
changeset
|
15 import goodjava.webserver.Handler; |
|
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1401
diff
changeset
|
16 import goodjava.webserver.Request; |
|
27efb1fcbcb5
move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents:
1401
diff
changeset
|
17 import goodjava.webserver.Response; |
| 1315 | 18 |
| 19 | |
| 20 public final class DomainHandler implements Handler { | |
| 21 private static final Logger logger = LoggerFactory.getLogger(DomainHandler.class); | |
| 22 | |
| 23 public interface Factory { | |
| 24 public Handler newHandler(String domain); | |
| 25 } | |
| 26 | |
|
1850
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
27 public interface HandlerCloseable extends Closeable { |
|
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
28 public boolean isClosed(); |
|
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
29 } |
|
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
30 |
| 1443 | 31 private static class MyTask extends TimerTask { |
| 32 private final Set<Handler> dontGc; | |
| 33 | |
| 34 MyTask(Set<Handler> dontGc) { | |
| 35 this.dontGc = dontGc; | |
| 36 } | |
| 37 | |
| 38 public void run() { | |
| 39 dontGc.clear(); | |
| 40 logger.info("dontGc.clear()"); | |
| 1315 | 41 } |
| 42 } | |
| 43 | |
| 1443 | 44 private static final long HOUR = 1000L*60*60; |
| 1601 | 45 private final Map<String,Handler> map = Collections.synchronizedMap(new SoftCacheMap<String,Handler>()); |
| 1443 | 46 private final Set<Handler> dontGc = ConcurrentHashMap.newKeySet(); |
| 47 private final Timer timer = new Timer(); | |
| 1315 | 48 |
| 49 private final Factory factory; | |
| 50 | |
| 51 public DomainHandler(Factory factory) { | |
| 52 this.factory = factory; | |
| 1443 | 53 timer.schedule(new MyTask(dontGc),HOUR,HOUR); |
| 54 } | |
| 55 | |
| 56 protected void finalize() throws Throwable { | |
| 57 timer.cancel(); | |
| 1315 | 58 } |
| 59 | |
| 60 public Response handle(Request request) { | |
| 61 String host = (String)request.headers.get("host"); | |
| 1331 | 62 if( host == null ) |
| 63 return null; | |
| 1315 | 64 int i = host.indexOf(':'); |
| 65 String domain = i == -1 ? host : host.substring(0,i); | |
| 66 Handler handler = getHandler(domain); | |
| 1443 | 67 if( handler==null ) |
| 68 return null; | |
| 69 dontGc.add(handler); | |
| 70 return handler.handle(request); | |
| 1315 | 71 } |
| 72 | |
| 73 public Handler getHandler(String domain) { | |
| 1601 | 74 domain = domain.toLowerCase().intern(); |
| 75 synchronized(domain) { | |
| 1498 | 76 Handler handler = map.get(domain); |
|
1850
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
77 if( handler instanceof HandlerCloseable && ((HandlerCloseable)handler).isClosed() ) { |
|
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
78 removeHandler(domain); |
|
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
79 handler = null; |
|
64b7076c635c
better link_to_domain
Franklin Schmidt <fschmidt@gmail.com>
parents:
1769
diff
changeset
|
80 } |
| 1401 | 81 if( handler == null ) { |
| 82 //if(ref!=null) logger.info("gc "+domain); | |
| 83 handler = factory.newHandler(domain); | |
| 84 if( handler == null ) | |
| 85 return null; | |
| 1498 | 86 map.put(domain,handler); |
| 1401 | 87 } |
| 88 return handler; | |
| 89 } | |
| 1315 | 90 } |
| 91 | |
| 92 public void removeHandler(String domain) { | |
| 1405 | 93 //logger.info("removeHandler "+domain); |
| 1601 | 94 domain = domain.toLowerCase().intern(); |
| 95 synchronized(domain) { | |
| 1498 | 96 Handler handler = map.remove(domain); |
| 1401 | 97 if( handler != null ) { |
| 98 close(handler); | |
| 1769 | 99 dontGc.remove(handler); |
| 1315 | 100 } |
| 101 } | |
| 102 } | |
| 103 | |
| 1443 | 104 private static void close(Handler handler) { |
| 105 if( handler instanceof Closeable ) { | |
| 106 try { | |
| 107 ((Closeable)handler).close(); | |
| 108 } catch(IOException e) { | |
| 109 logger.error(handler.toString(),e); | |
| 110 } | |
| 111 } | |
| 112 } | |
| 113 | |
| 1315 | 114 } |