85 lines
2.8 KiB
Java
Executable File
85 lines
2.8 KiB
Java
Executable File
/**
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* Copyright 2018-2028 Akaxin Group
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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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package com.windchat.im.connector.codec.protocol;
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import java.net.InetSocketAddress;
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import java.nio.ByteBuffer;
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import com.windchat.im.connector.codec.parser.ChannelConst;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.windchat.common.channel.ChannelSession;
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import com.windchat.common.command.RedisCommand;
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import com.windchat.common.constant.RequestAction;
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import com.windchat.im.connector.constant.AkxProject;
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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.channel.ChannelPromise;
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import io.netty.handler.codec.MessageToByteEncoder;
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import io.netty.util.concurrent.Future;
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import io.netty.util.concurrent.GenericFutureListener;
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/**
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* 编码器
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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 MessageEncoder extends MessageToByteEncoder<RedisCommand> {
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private static final Logger logger = LoggerFactory.getLogger(MessageEncoder.class);
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@Override
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public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
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promise.addListener(new GenericFutureListener<Future<? super Void>>() {
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public void operationComplete(Future<? super Void> future) throws Exception {
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if (!future.isSuccess()) {
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logger.error("write data to client fail ", future.cause());
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}
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}
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});
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super.write(ctx, msg, promise);
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}
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@Override
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protected void encode(ChannelHandlerContext ctx, RedisCommand msg, ByteBuf out) throws Exception {
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InetSocketAddress socketAddress = (InetSocketAddress) ctx.channel().remoteAddress();
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String clientIp = socketAddress.getAddress().getHostAddress();
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ChannelSession channelSession = ctx.channel().attr(ChannelConst.CHANNELSESSION).get();
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String version = msg.getParameterByIndex(0);
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String action = msg.getParameterByIndex(1);
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byte[] params = msg.getBytesParamByIndex(2);
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channelSession.setActionForPsn(action);
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if (!RequestAction.IM_STC_PONG.getName().equals(action)) {
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logger.debug("{} site -> client={} version={} action={} params-length={}", AkxProject.PLN, clientIp,
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version, action, params.length);
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}
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int byteSize = msg.getByteSize();
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ByteBuffer byteBuffer = ByteBuffer.allocate(byteSize);
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msg.encode(byteBuffer);
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byte[] bytes = byteBuffer.array();
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out.writeBytes(bytes);
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}
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}
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