elek commented on a change in pull request #2256: URL: https://github.com/apache/ozone/pull/2256#discussion_r635103727
########## File path: hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/stream/DirstreamServerHandler.java ########## @@ -0,0 +1,136 @@ +/* + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.hadoop.ozone.container.stream; + +import java.io.IOException; +import java.nio.charset.Charset; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.List; +import java.util.Map.Entry; + +import io.netty.buffer.ByteBuf; +import io.netty.buffer.Unpooled; +import io.netty.channel.ChannelFuture; +import io.netty.channel.ChannelFutureListener; +import io.netty.channel.ChannelHandlerContext; +import io.netty.channel.ChannelInboundHandlerAdapter; +import io.netty.channel.DefaultFileRegion; +import io.netty.util.ByteProcessor; + +/** + * Protocol definition of the streaming. + */ +public class DirstreamServerHandler extends ChannelInboundHandlerAdapter { + + public static final String END_MARKER = "0 END"; + + public static final ByteBuf END_MARKER_BUF = + Unpooled.wrappedBuffer(END_MARKER.getBytes(StandardCharsets.UTF_8)); + + private final StringBuilder id = new StringBuilder(); + + private StreamingSource source; + + private boolean headerProcessed = false; + + public DirstreamServerHandler(StreamingSource source) { + this.source = source; + } + + @Override + public void channelRead(ChannelHandlerContext ctx, Object msg) + throws Exception { + if (!headerProcessed) { + ByteBuf buffer = (ByteBuf) msg; + int eolPosition = buffer.forEachByte(ByteProcessor.FIND_LF) - buffer + .readerIndex(); + if (eolPosition > 0) { + headerProcessed = true; + id.append(buffer.toString(Charset.defaultCharset())); + } else { + id.append(buffer.toString(0, eolPosition, Charset.defaultCharset())); + } + buffer.release(); + } + + if (headerProcessed) { + ChannelFuture lastFuture = null; Review comment: Not any more. Removed, thanks. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
