io.netty.handler.codec.memcache.binary.BinaryMemcacheResponseDecoder Maven / Gradle / Ivy
/*
* Copyright 2013 The Netty Project
*
* The Netty Project 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:
*
* https://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 io.netty.handler.codec.memcache.binary;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.internal.UnstableApi;
/**
* The decoder which takes care of decoding the response headers.
*/
@UnstableApi
public class BinaryMemcacheResponseDecoder
extends AbstractBinaryMemcacheDecoder {
public BinaryMemcacheResponseDecoder() {
this(DEFAULT_MAX_CHUNK_SIZE);
}
public BinaryMemcacheResponseDecoder(int chunkSize) {
super(chunkSize);
}
@Override
protected BinaryMemcacheResponse decodeHeader(ByteBuf in) {
DefaultBinaryMemcacheResponse header = new DefaultBinaryMemcacheResponse();
header.setMagic(in.readByte());
header.setOpcode(in.readByte());
header.setKeyLength(in.readShort());
header.setExtrasLength(in.readByte());
header.setDataType(in.readByte());
header.setStatus(in.readShort());
header.setTotalBodyLength(in.readInt());
header.setOpaque(in.readInt());
header.setCas(in.readLong());
return header;
}
@Override
protected BinaryMemcacheResponse buildInvalidMessage() {
return new DefaultBinaryMemcacheResponse(Unpooled.EMPTY_BUFFER, Unpooled.EMPTY_BUFFER);
}
}