com.spotify.ffwd.input.InputChannelInboundHandler.java Source code

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Here is the source code for com.spotify.ffwd.input.InputChannelInboundHandler.java

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/*-
 * -\-\-
 * FastForward Core
 * --
 * Copyright (C) 2016 - 2018 Spotify AB
 * --
 * 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.spotify.ffwd.input;

import com.google.inject.Inject;
import com.spotify.ffwd.model.Batch;
import com.spotify.ffwd.model.Event;
import com.spotify.ffwd.model.Metric;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import lombok.extern.slf4j.Slf4j;

@Slf4j
@Sharable
public class InputChannelInboundHandler extends ChannelInboundHandlerAdapter {
    @Inject
    private InputManager input;

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        if (msg instanceof Event) {
            input.receiveEvent((Event) msg);
            return;
        }

        if (msg instanceof Metric) {
            input.receiveMetric((Metric) msg);
            return;
        }

        if (msg instanceof Batch) {
            input.receiveBatch((Batch) msg);
            return;
        }

        log.error("{}: Got garbage '{}' in channel, closing", ctx.channel(), msg);
        ctx.channel().close();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        log.info("{}: Error in channel, closing", ctx.channel(), cause);
        ctx.channel().close();
    }
}