ARTEMIS-3163 Experimental support for Netty IO_URING incubator

Author: franz1981

artemis-core-client/src/main/java/org/apache/activemq/artemis/core/client/ActiveMQClientLogger.java

@@ -395,6 +395,11 @@ public interface ActiveMQClientLogger extends BasicLogger {
            format = Message.Format.MESSAGE_FORMAT)
    void unableToCheckEpollAvailability(@Cause Throwable e);
 
+   @LogMessage(level = Logger.Level.WARN)
+   @Message(id = 212080, value = "Unable to check IoUring availability ",
+      format = Message.Format.MESSAGE_FORMAT)
+   void unableToCheckIoUringAvailability(@Cause Throwable e);
+
    @LogMessage(level = Logger.Level.WARN)
    @Message(id = 212072, value = "Failed to change channel state to ReadyForWriting ",
            format = Message.Format.MESSAGE_FORMAT)
@@ -420,6 +425,11 @@ public interface ActiveMQClientLogger extends BasicLogger {
            format = Message.Format.MESSAGE_FORMAT)
    void unableToCheckEpollAvailabilitynoClass();
 
+   @LogMessage(level = Logger.Level.WARN)
+   @Message(id = 212079, value = "IoUring is not available, please add to the classpath or configure useIoUring=false to remove this warning",
+      format = Message.Format.MESSAGE_FORMAT)
+   void unableToCheckIoUringAvailabilitynoClass();
+
    @LogMessage(level = Logger.Level.WARN)
    @Message(id = 212077, value = "Timed out waiting to receive initial broadcast from cluster. Retry {0} of {1}",
            format = Message.Format.MESSAGE_FORMAT)

artemis-core-client/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/CheckDependencies.java

@@ -54,4 +54,17 @@ public static final boolean isKQueueAvailable() {
          return false;
       }
    }
+
+   public static boolean isIoUringAvaialble() {
+      try {
+         return Env.isLinuxOs() && (boolean) (Class.forName("io.netty.incubator.channel.uring.IOUring")
+            .getMethod("isAvailable").invoke(null));
+      } catch (NoClassDefFoundError noClassDefFoundError) {
+         ActiveMQClientLogger.LOGGER.unableToCheckIoUringAvailabilitynoClass();
+         return false;
+      } catch (Throwable e) {
+         ActiveMQClientLogger.LOGGER.unableToCheckIoUringAvailability(e);
+         return false;
+      }
+   }
 }

artemis-core-client/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/TransportConstants.java

@@ -61,6 +61,8 @@ public class TransportConstants {
 
    public static final String USE_KQUEUE_PROP_NAME = "useKQueue";
 
+   public static final String USE_IOURING_PROP_NAME = "useIoUring";
+
    @Deprecated
    /**
     * @deprecated Use USE_GLOBAL_WORKER_POOL_PROP_NAME
@@ -202,6 +204,8 @@ public class TransportConstants {
 
    public static final boolean DEFAULT_USE_KQUEUE = true;
 
+   public static final boolean DEFAULT_USE_IOURING = false;
+
    public static final boolean DEFAULT_USE_INVM = false;
 
    public static final boolean DEFAULT_USE_SERVLET = false;
@@ -443,6 +447,7 @@ private static int parseDefaultVariable(String variableName, int defaultValue) {
       allowableConnectorKeys.add(TransportConstants.USE_NIO_GLOBAL_WORKER_POOL_PROP_NAME);
       allowableConnectorKeys.add(TransportConstants.USE_EPOLL_PROP_NAME);
       allowableConnectorKeys.add(TransportConstants.USE_KQUEUE_PROP_NAME);
+      allowableConnectorKeys.add(TransportConstants.USE_IOURING_PROP_NAME);
       allowableConnectorKeys.add(TransportConstants.USE_GLOBAL_WORKER_POOL_PROP_NAME);
       allowableConnectorKeys.add(TransportConstants.HOST_PROP_NAME);
       allowableConnectorKeys.add(TransportConstants.PORT_PROP_NAME);

artemis-server/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/NettyAcceptor.java

@@ -40,6 +40,7 @@
 import java.util.concurrent.Executor;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -112,6 +113,7 @@ public class NettyAcceptor extends AbstractAcceptor {
    public static final String NIO_ACCEPTOR_TYPE = "NIO";
    public static final String EPOLL_ACCEPTOR_TYPE = "EPOLL";
    public static final String KQUEUE_ACCEPTOR_TYPE = "KQUEUE";
+   public static final String IOURING_ACCEPTOR_TYPE = "IO_URING";
 
    static {
       // Disable default Netty leak detection if the Netty leak detection level system properties are not in use
@@ -148,6 +150,8 @@ public class NettyAcceptor extends AbstractAcceptor {
 
    private final boolean useKQueue;
 
+   private final boolean useIoUring;
+
    private final ProtocolHandler protocolHandler;
 
    private final String host;
@@ -268,6 +272,7 @@ public NettyAcceptor(final String name,
 
       useEpoll = ConfigurationHelper.getBooleanProperty(TransportConstants.USE_EPOLL_PROP_NAME, TransportConstants.DEFAULT_USE_EPOLL, configuration);
       useKQueue = ConfigurationHelper.getBooleanProperty(TransportConstants.USE_KQUEUE_PROP_NAME, TransportConstants.DEFAULT_USE_KQUEUE, configuration);
+      useIoUring = ConfigurationHelper.getBooleanProperty(TransportConstants.USE_IOURING_PROP_NAME, TransportConstants.DEFAULT_USE_IOURING, configuration);
 
       backlog = ConfigurationHelper.getIntProperty(TransportConstants.BACKLOG_PROP_NAME, -1, configuration);
       useInvm = ConfigurationHelper.getBooleanProperty(TransportConstants.USE_INVM_PROP_NAME, TransportConstants.DEFAULT_USE_INVM, configuration);
@@ -401,6 +406,21 @@ public ActiveMQThreadFactory run() {
             acceptorType = KQUEUE_ACCEPTOR_TYPE;
 
             logger.debug("Acceptor using native kqueue");
+         } else if (useIoUring && CheckDependencies.isIoUringAvaialble()) {
+            channelClazz = (Class<? extends ServerChannel>) Class.forName("io.netty.incubator.channel.uring.IOUringServerSocketChannel",
+                                                                          true, ClientSessionFactoryImpl.class.getClassLoader());
+            eventLoopGroup = (EventLoopGroup) Class.forName("io.netty.incubator.channel.uring.IOUringEventLoopGroup",
+                                                            true, ClientSessionFactoryImpl.class.getClassLoader())
+               .getConstructor(int.class, ThreadFactory.class)
+               .newInstance(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {
+                  @Override
+                  public ActiveMQThreadFactory run() {
+                     return new ActiveMQThreadFactory("activemq-netty-threads", true, ClientSessionFactoryImpl.class.getClassLoader());
+                  }
+               }));
+            acceptorType = IOURING_ACCEPTOR_TYPE;
+
+            logger.debug("Acceptor using native io_uring");
          } else {
             channelClazz = NioServerSocketChannel.class;
             eventLoopGroup = new NioEventLoopGroup(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {