| /* |
| * 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.qpid.protonj2.engine.impl; |
| |
| import org.apache.qpid.protonj2.buffer.ProtonBuffer; |
| import org.apache.qpid.protonj2.engine.EngineHandler; |
| import org.apache.qpid.protonj2.engine.EngineHandlerContext; |
| import org.apache.qpid.protonj2.engine.HeaderEnvelope; |
| import org.apache.qpid.protonj2.engine.IncomingAMQPEnvelope; |
| import org.apache.qpid.protonj2.engine.OutgoingAMQPEnvelope; |
| import org.apache.qpid.protonj2.engine.SASLEnvelope; |
| import org.apache.qpid.protonj2.engine.util.StringUtils; |
| import org.apache.qpid.protonj2.logging.ProtonLogger; |
| import org.apache.qpid.protonj2.logging.ProtonLoggerFactory; |
| |
| /** |
| * Handler that will log incoming and outgoing Frames |
| */ |
| public class ProtonFrameLoggingHandler implements EngineHandler { |
| |
| private static final ProtonLogger LOG = ProtonLoggerFactory.getLogger(ProtonFrameLoggingHandler.class); |
| |
| private static final String AMQP_IN_PREFIX = "<- AMQP"; |
| private static final String AMQP_OUT_PREFIX = "-> AMQP"; |
| private static final String SASL_IN_PREFIX = "<- SASL"; |
| private static final String SASL_OUT_PREFIX = "-> SASL"; |
| |
| private static final int PAYLOAD_STRING_LIMIT = 64; |
| private static final String PN_TRACE_FRM = "PN_TRACE_FRM"; |
| private static final boolean TRACE_FRM_ENABLED = checkTraceFramesEnabled(); |
| |
| private boolean traceFrames = TRACE_FRM_ENABLED; |
| private int uniqueIdentifier; |
| |
| private static final boolean checkTraceFramesEnabled() { |
| String value = System.getenv(PN_TRACE_FRM); |
| return "true".equalsIgnoreCase(value) || "1".equals(value) || "yes".equalsIgnoreCase(value); |
| } |
| |
| void setTraceFrames(boolean traceFrames) { |
| this.traceFrames = traceFrames; |
| } |
| |
| boolean isTraceFrames() { |
| return traceFrames; |
| } |
| |
| @Override |
| public void handlerAdded(EngineHandlerContext context) { |
| // Provides a stable Id for the handler to use when logging frame traces so that applications with |
| // multiple connections can be more easily debugged. |
| uniqueIdentifier = System.identityHashCode(context.engine()); |
| } |
| |
| @Override |
| public void handleRead(EngineHandlerContext context, HeaderEnvelope envelope) { |
| if (traceFrames) { |
| trace(envelope.isSaslHeader() ? SASL_OUT_PREFIX : AMQP_OUT_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| } |
| |
| log(envelope.isSaslHeader() ? SASL_OUT_PREFIX : AMQP_OUT_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| |
| context.fireRead(envelope); |
| } |
| |
| @Override |
| public void handleRead(EngineHandlerContext context, SASLEnvelope envelope) { |
| if (traceFrames) { |
| trace(SASL_IN_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| } |
| |
| log(SASL_IN_PREFIX, uniqueIdentifier, 0, envelope.getBody(), envelope.getPayload()); |
| |
| context.fireRead(envelope); |
| } |
| |
| @Override |
| public void handleRead(EngineHandlerContext context, IncomingAMQPEnvelope envelope) { |
| if (traceFrames) { |
| trace(AMQP_IN_PREFIX, uniqueIdentifier, envelope.getChannel(), envelope.getBody(), envelope.getPayload()); |
| } |
| |
| if (LOG.isTraceEnabled()) { |
| log(AMQP_IN_PREFIX, uniqueIdentifier, envelope.getChannel(), envelope.getBody(), envelope.getPayload()); |
| } |
| |
| context.fireRead(envelope); |
| } |
| |
| @Override |
| public void handleWrite(EngineHandlerContext context, HeaderEnvelope envelope) { |
| if (traceFrames) { |
| trace(envelope.isSaslHeader() ? SASL_OUT_PREFIX : AMQP_OUT_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| } |
| |
| log(envelope.isSaslHeader() ? SASL_OUT_PREFIX : AMQP_OUT_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| |
| context.fireWrite(envelope); |
| } |
| |
| @Override |
| public void handleWrite(EngineHandlerContext context, OutgoingAMQPEnvelope envelope) { |
| if (traceFrames) { |
| trace(AMQP_OUT_PREFIX, uniqueIdentifier, envelope.getChannel(), envelope.getBody(), envelope.getPayload()); |
| } |
| |
| if (LOG.isTraceEnabled()) { |
| log(AMQP_OUT_PREFIX, uniqueIdentifier, envelope.getChannel(), envelope.getBody(), envelope.getPayload()); |
| } |
| |
| context.fireWrite(envelope); |
| } |
| |
| @Override |
| public void handleWrite(EngineHandlerContext context, SASLEnvelope envelope) { |
| if (traceFrames) { |
| trace(SASL_OUT_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| } |
| |
| log(SASL_OUT_PREFIX, uniqueIdentifier, 0, envelope.getBody(), null); |
| |
| context.fireWrite(envelope); |
| } |
| |
| private static final void log(String prefix, int connection, int channel, Object performative, ProtonBuffer payload) { |
| if (payload == null) { |
| LOG.trace("{}:[{}:{}] {}", prefix, connection, channel, performative); |
| } else { |
| LOG.trace("{}:[{}:{}] {} - {}", prefix, connection, performative, StringUtils.toQuotedString(payload, PAYLOAD_STRING_LIMIT, true)); |
| } |
| } |
| |
| private static final void trace(String prefix, int connection, int channel, Object performative, ProtonBuffer payload) { |
| if (payload == null) { |
| System.out.println(String.format("%s:[%d:%d] %s", prefix, connection, channel, performative)); |
| } else { |
| System.out.println(String.format("%s:[%d:%d] %s - %s", prefix, connection, channel, performative, StringUtils.toQuotedString(payload, PAYLOAD_STRING_LIMIT, true))); |
| } |
| } |
| } |