hivemall.mix.server.MixServerInitializer Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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
*
* 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 hivemall.mix.server;
import hivemall.mix.MixMessageDecoder;
import hivemall.mix.MixMessageEncoder;
import hivemall.mix.metrics.ThroughputCounter;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.ssl.SslContext;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public final class MixServerInitializer extends ChannelInitializer {
@Nonnull
private final MixServerHandler requestHandler;
@Nullable
private final ThroughputCounter throughputCounter;
@Nullable
private final SslContext sslCtx;
public MixServerInitializer(@Nonnull MixServerHandler msgHandler,
@Nullable ThroughputCounter throughputCounter, @Nullable SslContext sslCtx) {
this.requestHandler = msgHandler;
this.throughputCounter = throughputCounter;
this.sslCtx = sslCtx;
}
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
if (sslCtx != null) {
pipeline.addLast(sslCtx.newHandler(ch.alloc()));
}
MixMessageEncoder encoder = new MixMessageEncoder();
MixMessageDecoder decoder = new MixMessageDecoder();
if (throughputCounter != null) {
pipeline.addLast(throughputCounter, decoder, encoder, requestHandler);
} else {
pipeline.addLast(decoder, encoder, requestHandler);
}
}
}