org.neo4j.bolt.transport.SocketTransport.java Source code

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Here is the source code for org.neo4j.bolt.transport.SocketTransport.java

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/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.bolt.transport;

import io.netty.buffer.PooledByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.ssl.SslContext;

import java.util.function.BiFunction;
import org.neo4j.collection.primitive.PrimitiveLongObjectMap;
import org.neo4j.helpers.HostnamePort;
import org.neo4j.logging.LogProvider;

/**
 * Implements a transport for the Neo4j Messaging Protocol that uses good old regular sockets.
 */
public class SocketTransport implements NettyServer.ProtocolInitializer {
    private final HostnamePort address;
    private final SslContext sslCtx;
    private LogProvider logging;
    private final PrimitiveLongObjectMap<BiFunction<Channel, Boolean, BoltProtocol>> protocolVersions;

    public SocketTransport(HostnamePort address, SslContext sslCtx, LogProvider logging,
            PrimitiveLongObjectMap<BiFunction<Channel, Boolean, BoltProtocol>> protocolVersions) {
        this.address = address;
        this.sslCtx = sslCtx;
        this.logging = logging;
        this.protocolVersions = protocolVersions;
    }

    @Override
    public ChannelInitializer<SocketChannel> channelInitializer() {
        return new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.config().setAllocator(PooledByteBufAllocator.DEFAULT);
                ch.pipeline().addLast(new TransportSelectionHandler(sslCtx, logging, protocolVersions));
            }
        };
    }

    @Override
    public HostnamePort address() {
        return address;
    }
}