content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.activemq.transport.amqp.client;
  
  import org.apache.qpid.proton.amqp.Binary;
  import org.apache.qpid.proton.amqp.transport.Attach;
  import org.apache.qpid.proton.amqp.transport.Begin;
  import org.apache.qpid.proton.amqp.transport.Close;
  import org.apache.qpid.proton.amqp.transport.Detach;
  import org.apache.qpid.proton.amqp.transport.Disposition;
  import org.apache.qpid.proton.amqp.transport.End;
  import org.apache.qpid.proton.amqp.transport.Flow;
  import org.apache.qpid.proton.amqp.transport.FrameBody.FrameBodyHandler;
  import org.apache.qpid.proton.amqp.transport.Open;
  import org.apache.qpid.proton.amqp.transport.Transfer;
  import org.apache.qpid.proton.engine.impl.ProtocolTracer;
  import org.apache.qpid.proton.framing.TransportFrame;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Tracer used to spy on AMQP traffic
   */
  public class AmqpProtocolTracer implements ProtocolTracer, FrameBodyHandler<AmqpFrameValidator> {
  
      private static final Logger TRACE_FRAMES = LoggerFactory.getLogger(AmqpProtocolTracer.class.getPackage().getName() + ".FRAMES");
  
      private final AmqpConnection connection;
  
      public AmqpProtocolTracer(AmqpConnection connection) {
          this.connection = connection;
      }
  
      @Override
      public void receivedFrame(TransportFrame transportFrame) {
          if (connection.isTraceFrames()) {
              TRACE_FRAMES.trace("{} | RECV: {}", connection.getRemoteURI(), transportFrame.getBody());
          }
  
          AmqpFrameValidator inspector = connection.getReceivedFrameInspector();
          if (inspector != null) {
              transportFrame.getBody().invoke(this, transportFrame.getPayload(), inspector);
          }
      }
  
      @Override
      public void sentFrame(TransportFrame transportFrame) {
          if (connection.isTraceFrames()) {
              TRACE_FRAMES.trace("{} | SENT: {}", connection.getRemoteURI(), transportFrame.getBody());
          }
  
          AmqpFrameValidator inspector = connection.getSentFrameInspector();
          if (inspector != null) {
              transportFrame.getBody().invoke(this, transportFrame.getPayload(), inspector);
          }
      }
  
      @Override
      public void handleOpen(Open open, Binary payload, AmqpFrameValidator context) {
          context.inspectOpen(open, payload);
      }
  
      @Override
      public void handleBegin(Begin begin, Binary payload, AmqpFrameValidator context) {
          context.inspectBegin(begin, payload);
      }
  
      @Override
      public void handleAttach(Attach attach, Binary payload, AmqpFrameValidator context) {
          context.inspectAttach(attach, payload);
      }
  
      @Override
      public void handleFlow(Flow flow, Binary payload, AmqpFrameValidator context) {
          context.inspectFlow(flow, payload);
      }
  
      @Override
      public void handleTransfer(Transfer transfer, Binary payload, AmqpFrameValidator context) {
          context.inspectTransfer(transfer, payload);
      }
  
      @Override
      public void handleDisposition(Disposition disposition, Binary payload, AmqpFrameValidator context) {
          context.inspectDisposition(disposition, payload);
      }
  
      @Override
      public void handleDetach(Detach detach, Binary payload, AmqpFrameValidator context) {
          context.inspectDetach(detach, payload);
      }
  
      @Override
      public void handleEnd(End end, Binary payload, AmqpFrameValidator context) {
          context.inspectEnd(end, payload);
      }
  
      @Override
      public void handleClose(Close close, Binary payload, AmqpFrameValidator context) {
          context.inspectClose(close, payload);
      }
  }
  