/**
* The MIT License
* Copyright (c) 2012 TORCH GmbH
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.graylog2.plugin.inputs.transports;
import com.google.common.util.concurrent.Callables;
import org.graylog2.plugin.LocalMetricRegistry;
import org.graylog2.plugin.configuration.Configuration;
import org.graylog2.plugin.inputs.MessageInput;
import org.graylog2.plugin.inputs.util.ConnectionCounter;
import org.graylog2.plugin.inputs.util.ThroughputCounter;
import org.jboss.netty.bootstrap.Bootstrap;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.ChannelHandler;
import org.jboss.netty.channel.FixedReceiveBufferSizePredictorFactory;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
import javax.inject.Provider;
import java.util.LinkedHashMap;
import java.util.concurrent.Callable;
import java.util.concurrent.Executor;
public abstract class AbstractTcpTransport extends NettyTransport {
protected final Executor bossExecutor;
protected final Executor workerExecutor;
protected final ConnectionCounter connectionCounter;
public AbstractTcpTransport(
Configuration configuration,
ThroughputCounter throughputCounter,
LocalMetricRegistry localRegistry,
Executor bossPool,
Provider<Executor> workerPoolProvider,
ConnectionCounter connectionCounter) {
super(configuration, throughputCounter, localRegistry);
this.bossExecutor = bossPool;
this.workerExecutor = workerPoolProvider.get();
this.connectionCounter = connectionCounter;
this.localRegistry.register("open_connections", connectionCounter.gaugeCurrent());
this.localRegistry.register("total_connections", connectionCounter.gaugeTotal());
}
@Override
protected Bootstrap getBootstrap() {
final ServerBootstrap bootstrap =
new ServerBootstrap(new NioServerSocketChannelFactory(bossExecutor, workerExecutor));
bootstrap.setOption("receiveBufferSizePredictorFactory", new FixedReceiveBufferSizePredictorFactory(8192));
bootstrap.setOption("child.receiveBufferSize", getRecvBufferSize());
return bootstrap;
}
@Override
protected LinkedHashMap<String, Callable<? extends ChannelHandler>> getBaseChannelHandlers(
MessageInput input) {
final LinkedHashMap<String, Callable<? extends ChannelHandler>> baseChannelHandlers =
super.getBaseChannelHandlers(input);
baseChannelHandlers.put("connection-counter", Callables.returning(connectionCounter));
return baseChannelHandlers;
}
}