com.codnos.dbgp.internal.handlers.DBGpServerToClientConnectionHandler Maven / Gradle / Ivy

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Interfaces and implementations for both client and server side of DBGp

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/*
 * Copyright 2016 Codnos Ltd.
 *
 * Licensed 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 com.codnos.dbgp.internal.handlers;

import com.codnos.dbgp.internal.commands.Command;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.group.ChannelGroup;
import io.netty.channel.group.DefaultChannelGroup;
import io.netty.util.concurrent.GlobalEventExecutor;

import java.util.logging.Logger;

public class DBGpServerToClientConnectionHandler extends ChannelInboundHandlerAdapter {
    private static final Logger LOGGER = Logger.getLogger(DBGpServerToClientConnectionHandler.class.getName());
    private ChannelGroup channelGroup = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        LOGGER.fine("Got connection from client!");
        channelGroup.add(ctx.channel());
        super.channelActive(ctx);
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        LOGGER.fine("Client disconnected!");
        channelGroup.remove(ctx.channel());
        super.channelInactive(ctx);
    }

    public void writeAndFlush(Command command) {
        LOGGER.fine("got message to send outside " + command.getHandlerKey());
        channelGroup.writeAndFlush(command);
    }
}