| /* |
| * 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.inlong.dataproxy.source; |
| |
| import org.apache.inlong.dataproxy.consts.SourceConstants; |
| |
| import io.netty.channel.ChannelInboundHandlerAdapter; |
| import io.netty.channel.ChannelInitializer; |
| import io.netty.channel.socket.SocketChannel; |
| import io.netty.handler.codec.LengthFieldBasedFrameDecoder; |
| import io.netty.handler.codec.http.HttpObjectAggregator; |
| import io.netty.handler.codec.http.HttpServerCodec; |
| import io.netty.handler.timeout.ReadTimeoutHandler; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.reflect.Constructor; |
| import java.util.concurrent.TimeUnit; |
| |
| public class ServerMessageFactory extends ChannelInitializer<SocketChannel> { |
| |
| public static final int INLONG_LENGTH_FIELD_OFFSET = 0; |
| public static final int INLONG_LENGTH_FIELD_LENGTH = 4; |
| public static final int INLONG_LENGTH_ADJUSTMENT = 0; |
| public static final int INLONG_INITIAL_BYTES_TO_STRIP = 0; |
| public static final boolean DEFAULT_FAIL_FAST = true; |
| private static final Logger LOG = LoggerFactory.getLogger(ServerMessageFactory.class); |
| private final BaseSource source; |
| |
| /** |
| * get server factory |
| * |
| * @param source |
| */ |
| public ServerMessageFactory(BaseSource source) { |
| this.source = source; |
| } |
| |
| @Override |
| protected void initChannel(SocketChannel ch) throws Exception { |
| |
| if (source.getProtocolName() |
| .equalsIgnoreCase(SourceConstants.SRC_PROTOCOL_TYPE_TCP)) { |
| ch.pipeline().addLast("messageDecoder", new LengthFieldBasedFrameDecoder( |
| source.getMaxMsgLength(), INLONG_LENGTH_FIELD_OFFSET, INLONG_LENGTH_FIELD_LENGTH, |
| INLONG_LENGTH_ADJUSTMENT, INLONG_INITIAL_BYTES_TO_STRIP, DEFAULT_FAIL_FAST)); |
| ch.pipeline().addLast("readTimeoutHandler", |
| new ReadTimeoutHandler(source.getMaxReadIdleTimeMs(), TimeUnit.MILLISECONDS)); |
| } else if (source.getProtocolName().equalsIgnoreCase(SourceConstants.SRC_PROTOCOL_TYPE_HTTP)) { |
| // add http message codec |
| ch.pipeline().addLast("msgCodec", new HttpServerCodec()); |
| ch.pipeline().addLast("msgAggregator", new HttpObjectAggregator(source.getMaxMsgLength())); |
| ch.pipeline().addLast("readTimeoutHandler", |
| new ReadTimeoutHandler(source.getMaxReadIdleTimeMs(), TimeUnit.MILLISECONDS)); |
| |
| } |
| // build message handler |
| if (source.getChannelProcessor() != null) { |
| try { |
| Class<? extends ChannelInboundHandlerAdapter> clazz = |
| (Class<? extends ChannelInboundHandlerAdapter>) Class.forName(source.getMessageHandlerName()); |
| Constructor<?> ctor = clazz.getConstructor(BaseSource.class); |
| ChannelInboundHandlerAdapter messageHandler = |
| (ChannelInboundHandlerAdapter) ctor.newInstance(source); |
| ch.pipeline().addLast("messageHandler", messageHandler); |
| } catch (Exception e) { |
| LOG.error("{} newInstance {} failure!", source.getCachedSrcName(), |
| source.getMessageHandlerName(), e); |
| } |
| } |
| } |
| } |