2019-07-29 23:42:16 +08:00
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/**
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2020-10-21 23:35:02 +08:00
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* Copyright 2018-2028 WindChat Group
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2019-07-29 23:42:16 +08:00
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2019-11-27 23:33:33 +08:00
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package com.windchat.common.netty.codec;
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2019-07-29 23:42:16 +08:00
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import java.util.List;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.ReplayingDecoder;
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/**
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* 解码器,使用ReplayingDecoder,每一个deccode必须是
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*
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* @author Sam
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* @since 2017.09.27
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*
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*/
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public class MessageDecoder extends ReplayingDecoder<ReplaySignal> {
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private ProtocolParser parser = new ProtocolParser();
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public MessageDecoder() {
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super.state(ReplaySignal.START_POINT);
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}
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@Override
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public void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
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parser.readAndOut(ctx.channel(), in, out, this);
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}
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@Override
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public void checkpoint(ReplaySignal bp) {
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super.checkpoint(bp);
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}
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@Override
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public ReplaySignal state() {
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return super.state();
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}
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}
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