/**
* Copyright 2016 Yahoo Inc.
*
* 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.yahoo.pulsar.discovery.service;
import java.io.File;
import com.yahoo.pulsar.common.api.PulsarDecoder;
import com.yahoo.pulsar.common.api.PulsarLengthFieldFrameDecoder;
import com.yahoo.pulsar.discovery.service.server.ServiceConfig;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.ssl.ClientAuth;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
/**
* Initialize service channel handlers.
*
*/
public class ServiceChannelInitializer extends ChannelInitializer<SocketChannel> {
public static final String TLS_HANDLER = "tls";
private ServiceConfig serviceConfig;
private DiscoveryService discoveryService;
private boolean enableTLS;
public ServiceChannelInitializer(DiscoveryService discoveryService, ServiceConfig serviceConfig, boolean enableTLS) {
super();
this.serviceConfig = serviceConfig;
this.discoveryService = discoveryService;
this.enableTLS = enableTLS;
}
@Override
protected void initChannel(SocketChannel ch) throws Exception {
if (enableTLS) {
File tlsCert = new File(serviceConfig.getTlsCertificateFilePath());
File tlsKey = new File(serviceConfig.getTlsKeyFilePath());
SslContextBuilder builder = SslContextBuilder.forServer(tlsCert, tlsKey);
// allows insecure connection
builder.trustManager(InsecureTrustManagerFactory.INSTANCE);
SslContext sslCtx = builder.clientAuth(ClientAuth.OPTIONAL).build();
ch.pipeline().addLast(TLS_HANDLER, sslCtx.newHandler(ch.alloc()));
}
ch.pipeline().addLast("frameDecoder",
new PulsarLengthFieldFrameDecoder(PulsarDecoder.MaxFrameSize, 0, 4, 0, 4));
ch.pipeline().addLast("handler", new ServerConnection(discoveryService));
}
}