| /* |
| * 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 com.alibaba.dubbo.rpc.protocol.thrift.ext; |
| |
| import com.alibaba.dubbo.common.logger.Logger; |
| import com.alibaba.dubbo.common.logger.LoggerFactory; |
| import com.alibaba.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; |
| |
| public class MultiServiceProcessor implements TProcessor { |
| |
| private static final Logger logger = LoggerFactory.getLogger(MultiServiceProcessor.class); |
| |
| private ConcurrentMap<String, TProcessor> processorMap = new ConcurrentHashMap<String, TProcessor>(); |
| |
| 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; |
| } |
| } |
| |
| } |