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markt pushed a commit to branch 8.5.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/8.5.x by this push:
     new d53e62d  Align with 9.0.x onwards
d53e62d is described below

commit d53e62d1e13621970eb21fcbb59942e3a516d04a
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Feb 17 16:55:10 2022 +0000

    Align with 9.0.x onwards
    
    Back-port NPE protection and align formatting
---
 java/org/apache/tomcat/util/net/NioEndpoint.java | 63 +++++++++++++++---------
 1 file changed, 41 insertions(+), 22 deletions(-)

diff --git a/java/org/apache/tomcat/util/net/NioEndpoint.java 
b/java/org/apache/tomcat/util/net/NioEndpoint.java
index cce04ff..7249534 100644
--- a/java/org/apache/tomcat/util/net/NioEndpoint.java
+++ b/java/org/apache/tomcat/util/net/NioEndpoint.java
@@ -613,7 +613,6 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
     // ----------------------------------------------------- Poller Inner 
Classes
 
     /**
-     *
      * PollerEvent, cacheable object for poller events to avoid GC
      */
     public static class PollerEvent implements Runnable {
@@ -692,7 +691,8 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
                 new SynchronizedQueue<>();
 
         private volatile boolean close = false;
-        private long nextExpiration = 0;//optimize expiration handling
+        // Optimize expiration handling
+        private long nextExpiration = 0;
 
         private AtomicLong wakeupCounter = new AtomicLong(0);
 
@@ -704,7 +704,7 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
 
         public int getKeyCount() { return keyCount; }
 
-        public Selector getSelector() { return selector;}
+        public Selector getSelector() { return selector; }
 
         /**
          * Destroy the poller.
@@ -997,7 +997,7 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
                         socketWrapper.updateLastWrite();
                     }
                 } else {
-                    long written = sd.fchannel.transferTo(sd.pos,sd.length,wc);
+                    long written = sd.fchannel.transferTo(sd.pos, sd.length, 
wc);
                     if (written > 0) {
                         sd.pos += written;
                         sd.length -= written;
@@ -1062,9 +1062,9 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
                     }
                     return SendfileState.PENDING;
                 }
-            } catch (IOException x) {
+            } catch (IOException e) {
                 if (log.isDebugEnabled()) {
-                    log.debug("Unable to complete sendfile request:", x);
+                    log.debug("Unable to complete sendfile request:", e);
                 }
                 if (!calledByProcessor && sc != null) {
                     close(sc, sk);
@@ -1429,20 +1429,26 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
 
         @Override
         protected void populateRemoteAddr() {
-            InetAddress inetAddr = 
getSocket().getIOChannel().socket().getInetAddress();
-            if (inetAddr != null) {
-                remoteAddr = inetAddr.getHostAddress();
+            SocketChannel sc = getSocket().getIOChannel();
+            if (sc != null) {
+                InetAddress inetAddr = sc.socket().getInetAddress();
+                if (inetAddr != null) {
+                    remoteAddr = inetAddr.getHostAddress();
+                }
             }
         }
 
 
         @Override
         protected void populateRemoteHost() {
-            InetAddress inetAddr = 
getSocket().getIOChannel().socket().getInetAddress();
-            if (inetAddr != null) {
-                remoteHost = inetAddr.getHostName();
-                if (remoteAddr == null) {
-                    remoteAddr = inetAddr.getHostAddress();
+            SocketChannel sc = getSocket().getIOChannel();
+            if (sc != null) {
+                InetAddress inetAddr = sc.socket().getInetAddress();
+                if (inetAddr != null) {
+                    remoteHost = inetAddr.getHostName();
+                    if (remoteAddr == null) {
+                        remoteAddr = inetAddr.getHostAddress();
+                    }
                 }
             }
         }
@@ -1450,31 +1456,43 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
 
         @Override
         protected void populateRemotePort() {
-            remotePort = getSocket().getIOChannel().socket().getPort();
+            SocketChannel sc = getSocket().getIOChannel();
+            if (sc != null) {
+                remotePort = sc.socket().getPort();
+            }
         }
 
 
         @Override
         protected void populateLocalName() {
-            InetAddress inetAddr = 
getSocket().getIOChannel().socket().getLocalAddress();
-            if (inetAddr != null) {
-                localName = inetAddr.getHostName();
+            SocketChannel sc = getSocket().getIOChannel();
+            if (sc != null) {
+                InetAddress inetAddr = sc.socket().getLocalAddress();
+                if (inetAddr != null) {
+                    localName = inetAddr.getHostName();
+                }
             }
         }
 
 
         @Override
         protected void populateLocalAddr() {
-            InetAddress inetAddr = 
getSocket().getIOChannel().socket().getLocalAddress();
-            if (inetAddr != null) {
-                localAddr = inetAddr.getHostAddress();
+            SocketChannel sc = getSocket().getIOChannel();
+            if (sc != null) {
+                InetAddress inetAddr = sc.socket().getLocalAddress();
+                if (inetAddr != null) {
+                    localAddr = inetAddr.getHostAddress();
+                }
             }
         }
 
 
         @Override
         protected void populateLocalPort() {
-            localPort = getSocket().getIOChannel().socket().getLocalPort();
+            SocketChannel sc = getSocket().getIOChannel();
+            if (sc != null) {
+                localPort = sc.socket().getLocalPort();
+            }
         }
 
 
@@ -1715,6 +1733,7 @@ public class NioEndpoint extends 
AbstractJsseEndpoint<NioChannel,SocketChannel>
         }
     }
 
+
     // ----------------------------------------------- SendfileData Inner Class
 
     /**

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