[SSHD-1230] Log netty channel traffic on TRACE level

sshd-netty/src/main/java/org/apache/sshd/netty/NettyIoAcceptor.java

@@ -56,6 +56,9 @@
  * @author <a href="mailto:[email protected]">Apache MINA SSHD Project</a>
  */
 public class NettyIoAcceptor extends NettyIoService implements IoAcceptor {
+ // Shared across all acceptors
+ private static final LoggingHandler LOGGING_TRACE = new LoggingHandler(NettyIoAcceptor.class, LogLevel.TRACE);
+
  protected final ServerBootstrap bootstrap = new ServerBootstrap();
  protected final Map<SocketAddress, Channel> boundAddresses = new ConcurrentHashMap<>();
 
@@ -66,7 +69,7 @@ public NettyIoAcceptor(NettyIoServiceFactory factory, IoHandler handler) {
  bootstrap.group(factory.eventLoopGroup)
  .channel(NioServerSocketChannel.class)
  .option(ChannelOption.SO_BACKLOG, 100) // TODO make this configurable
- .handler(new LoggingHandler(LogLevel.INFO)) // TODO make this configurable
+ .handler(LOGGING_TRACE) // TODO make this configurable
  .childHandler(new ChannelInitializer<SocketChannel>() {
  @Override
  @SuppressWarnings("synthetic-access")

sshd-netty/src/main/java/org/apache/sshd/netty/NettyIoConnector.java

@@ -47,6 +47,9 @@
  * @author <a href="mailto:[email protected]">Apache MINA SSHD Project</a>
  */
 public class NettyIoConnector extends NettyIoService implements IoConnector {
+ // Shared across all connectors
+ private static final LoggingHandler LOGGING_TRACE = new LoggingHandler(NettyIoConnector.class, LogLevel.TRACE);
+
  protected final Bootstrap bootstrap = new Bootstrap();
 
  public NettyIoConnector(NettyIoServiceFactory factory, IoHandler handler) {
@@ -83,7 +86,7 @@ protected void initChannel(SocketChannel ch) throws Exception {
  }
 
  ChannelPipeline p = ch.pipeline();
- p.addLast(new LoggingHandler(LogLevel.INFO)); // TODO make this configurable
+ p.addLast(LOGGING_TRACE); // TODO make this configurable
  p.addLast(session.adapter);
  } catch (Exception e) {
  if (listener != null) {