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/*
* 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.rocketmq.client.java.rpc;
import org.apache.rocketmq.shaded.io.grpc.CallOptions;
import org.apache.rocketmq.shaded.io.grpc.Channel;
import org.apache.rocketmq.shaded.io.grpc.ClientCall;
import org.apache.rocketmq.shaded.io.grpc.ClientInterceptor;
import org.apache.rocketmq.shaded.io.grpc.ForwardingClientCall;
import org.apache.rocketmq.shaded.io.grpc.ForwardingClientCallListener;
import org.apache.rocketmq.shaded.io.grpc.Metadata;
import org.apache.rocketmq.shaded.io.grpc.MethodDescriptor;
import java.util.UUID;
import org.apache.rocketmq.shaded.org.slf4j.Logger;
import org.apache.rocketmq.shaded.org.slf4j.LoggerFactory;
/**
* The client log interceptor based on grpc can track any remote procedure call that interacts with the client locally.
*/
public class LoggingInterceptor implements ClientInterceptor {
private static final Logger log = LoggerFactory.getLogger(LoggingInterceptor.class);
private static final LoggingInterceptor INSTANCE = new LoggingInterceptor();
public static LoggingInterceptor getInstance() {
return INSTANCE;
}
@Override
public ClientCall interceptCall(MethodDescriptor method,
CallOptions callOptions, Channel next) {
final String rpcId = UUID.randomUUID().toString();
final String authority = next.authority();
final String serviceName = method.getServiceName();
final String methodName = method.getBareMethodName();
return new ForwardingClientCall.SimpleForwardingClientCall(next.newCall(method, callOptions)) {
@Override
public void start(Listener responseListener, final Metadata headers) {
log.trace("gRPC request header, rpcId={}, serviceName={}, methodName={}, authority={}, headers={}",
rpcId, serviceName, methodName, authority, headers);
Listener observabilityListener =
new ForwardingClientCallListener.SimpleForwardingClientCallListener(responseListener) {
@Override
public void onMessage(E response) {
log.trace("gRPC response, rpcId={}, serviceName={}, methodName={}, content:\n{}",
rpcId, serviceName, methodName, response);
super.onMessage(response);
}
@Override
public void onHeaders(Metadata headers) {
log.trace("gRPC response header, rpcId={}, serviceName={}, methodName={}, "
+ "authority={}, headers={}", rpcId, serviceName, methodName, authority, headers);
super.onHeaders(headers);
}
};
super.start(observabilityListener, headers);
}
@Override
public void sendMessage(T request) {
log.trace("gRPC request, rpcId={}, serviceName={}, methodName={}, content:\n{}", rpcId,
serviceName, methodName, request);
super.sendMessage(request);
}
};
}
}
