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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.dubbo.rpc.protocol.thrift.ext;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.rpc.protocol.thrift.ThriftCodec;
import org.apache.thrift.TException;
import org.apache.thrift.TProcessor;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.transport.TIOStreamTransport;
import java.io.ByteArrayOutputStream;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
* @since 2.7.0, use https://github.com/dubbo/dubbo-rpc-native-thrift to instead of this module
*/
@Deprecated
public class MultiServiceProcessor implements TProcessor {
private static final Logger logger = LoggerFactory.getLogger(MultiServiceProcessor.class);
private ConcurrentMap processorMap = new ConcurrentHashMap();
private TProtocolFactory protocolFactory = new TBinaryProtocol.Factory();
public MultiServiceProcessor() {
}
@Override
public boolean process(TProtocol in, TProtocol out) throws TException {
short magic = in.readI16();
if (magic != ThriftCodec.MAGIC) {
logger.error("Unsupported magic " + magic);
return false;
}
in.readI32();
in.readI16();
byte version = in.readByte();
String serviceName = in.readString();
long id = in.readI64();
ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
TIOStreamTransport transport = new TIOStreamTransport(bos);
TProtocol protocol = protocolFactory.getProtocol(transport);
TProcessor processor = processorMap.get(serviceName);
if (processor == null) {
logger.error("Could not find processor for service " + serviceName);
return false;
}
// todo if exception
boolean result = processor.process(in, protocol);
ByteArrayOutputStream header = new ByteArrayOutputStream(512);
TIOStreamTransport headerTransport = new TIOStreamTransport(header);
TProtocol headerProtocol = protocolFactory.getProtocol(headerTransport);
headerProtocol.writeI16(magic);
headerProtocol.writeI32(Integer.MAX_VALUE);
headerProtocol.writeI16(Short.MAX_VALUE);
headerProtocol.writeByte(version);
headerProtocol.writeString(serviceName);
headerProtocol.writeI64(id);
headerProtocol.getTransport().flush();
out.writeI16(magic);
out.writeI32(bos.size() + header.size());
out.writeI16((short) (0xffff & header.size()));
out.writeByte(version);
out.writeString(serviceName);
out.writeI64(id);
out.getTransport().write(bos.toByteArray());
out.getTransport().flush();
return result;
}
public TProcessor addProcessor(Class service, TProcessor processor) {
if (service != null && processor != null) {
return processorMap.putIfAbsent(service.getName(), processor);
}
return processor;
}
public void setProtocolFactory(TProtocolFactory factory) {
if (factory != null) {
this.protocolFactory = factory;
}
}
}