From: fhanik <fhanik@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 19 Mar 2007 23:35:09 +0000 (+0000)
Subject: Added in support for calling CometEvent.END although the container itself doesn't... 
X-Git-Url: https://git.internetallee.de/?a=commitdiff_plain;h=323f43166b32028e4fc8ac27c439f9a8cefcbcf2;p=tomcat7.0

Added in support for calling CometEvent.END although the container itself doesn't support it yet.



git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@520175 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/java/org/apache/tomcat/util/net/NioEndpoint.java b/java/org/apache/tomcat/util/net/NioEndpoint.java
index 7d7182927..e56df3fbb 100644
--- a/java/org/apache/tomcat/util/net/NioEndpoint.java
+++ b/java/org/apache/tomcat/util/net/NioEndpoint.java
@@ -1034,6 +1034,10 @@ public class NioEndpoint {
      * Process given socket for an event.
      */
     protected boolean processSocket(NioChannel socket, SocketStatus status) {
+        return processSocket(socket,status,true);
+    }
+    
+    protected boolean processSocket(NioChannel socket, SocketStatus status, boolean dispatch) {
         try {
             if (executor == null) {
                 getWorkerThread().assign(socket, status);
@@ -1041,7 +1045,8 @@ public class NioEndpoint {
                 SocketProcessor sc = processorCache.poll();
                 if ( sc == null ) sc = new SocketProcessor(socket,status);
                 else sc.reset(socket,status);
-                executor.execute(sc);
+                if ( dispatch ) executor.execute(sc);
+                else sc.run();
             }
         } catch (Throwable t) {
             // This means we got an OOM or similar creating a thread, or that
@@ -1191,6 +1196,8 @@ public class NioEndpoint {
         public int getKeepAliveCount() { return keepAliveCount; }
         
         protected AtomicLong wakeupCounter = new AtomicLong(0l);
+        
+        protected CountDownLatch stopLatch = new CountDownLatch(1);
 
 
 
@@ -1218,6 +1225,7 @@ public class NioEndpoint {
             close = true;
             events.clear();
             selector.wakeup();
+            try { stopLatch.await(); } catch (InterruptedException ignore ) {}
         }
         
         public void addEvent(Runnable event) {
@@ -1277,13 +1285,15 @@ public class NioEndpoint {
             else r.reset(socket,ka,OP_REGISTER);
             addEvent(r);
         }
-        
         public void cancelledKey(SelectionKey key, SocketStatus status) {
+            cancelledKey(key, status, true);
+        }
+        public void cancelledKey(SelectionKey key, SocketStatus status, boolean dispatch) {
             try {
                 KeyAttachment ka = (KeyAttachment) key.attachment();
                 if (ka != null && ka.getComet()) {
                     //the comet event takes care of clean up
-                    processSocket(ka.getChannel(), status);
+                    processSocket(ka.getChannel(), status, dispatch);
                 }else {
                     if (key.isValid()) key.cancel();
                     if (key.channel().isOpen()) key.channel().close();
@@ -1302,9 +1312,9 @@ public class NioEndpoint {
             // Loop until we receive a shutdown command
             while (running) {
                 // Loop if endpoint is paused
-                while (paused) {
+                while (paused && (!close) ) {
                     try {
-                        Thread.sleep(1000);
+                        Thread.sleep(500);
                     } catch (InterruptedException e) {
                         // Ignore
                     }
@@ -1313,13 +1323,23 @@ public class NioEndpoint {
 
                 hasEvents = (hasEvents | events());
                 // Time to terminate?
-                if (close) return;
-
+                if (close) {
+                    timeout(0, false);
+                    stopLatch.countDown();
+                    return;
+                }
                 int keyCount = 0;
                 try {
-                    keyCount = selector.select(selectorTimeout);
-                    wakeupCounter.set(0);
-                    if ( close ) { selector.close(); return; }
+                    if ( !close ) {
+                        keyCount = selector.select(selectorTimeout);
+                        wakeupCounter.set(0);
+                    }
+                    if (close) {
+                        timeout(0, false);
+                        stopLatch.countDown();
+                        selector.close(); 
+                        return; 
+                    }
                 } catch ( NullPointerException x ) {
                     //sun bug 5076772 on windows JDK 1.5
                     if ( wakeupCounter == null || selector == null ) throw x;
@@ -1351,13 +1371,16 @@ public class NioEndpoint {
             synchronized (this) {
                 this.notifyAll();
             }
+            stopLatch.countDown();
 
         }
 
         protected boolean processKey(SelectionKey sk, KeyAttachment attachment) {
             boolean result = true;
             try {
-                if ( sk.isValid() && attachment != null ) {
+                if ( close ) {
+                    cancelledKey(sk, SocketStatus.STOP, false);
+                } else if ( sk.isValid() && attachment != null ) {
                     attachment.access();//make sure we don't time out valid sockets
                     sk.attach(attachment);//cant remember why this is here
                     NioChannel channel = attachment.getChannel();
@@ -1415,7 +1438,7 @@ public class NioEndpoint {
             long now = System.currentTimeMillis();
             //don't process timeouts too frequently, but if the selector simply timed out
             //then we can check timeouts to avoid gaps
-            if ( (now < nextExpiration) && (keyCount>0 || hasEvents) ) return;
+            if ( (now < nextExpiration) && (keyCount>0 || hasEvents) && (!close) ) return;
             nextExpiration = now + (long)socketProperties.getSoTimeout();
             //timeout
             Set<SelectionKey> keys = selector.keys();
@@ -1432,7 +1455,11 @@ public class NioEndpoint {
                         long delta = now - ka.getLastAccess();
                         long timeout = (ka.getTimeout()==-1)?((long) socketProperties.getSoTimeout()):(ka.getTimeout());
                         boolean isTimedout = delta > timeout;
-                        if (isTimedout) {
+                        if ( close ) {
+                            key.interestOps(0); 
+                            ka.interestOps(0); //avoid duplicate stop calls
+                            processKey(key,ka);
+                        } else if (isTimedout) {
                             key.interestOps(0); 
                             ka.interestOps(0); //avoid duplicate timeout calls
                             cancelledKey(key, SocketStatus.TIMEOUT);