org.graylog2.plugin.inputs.util.ConnectionCounter Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog 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.
*
* Graylog 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 Graylog. If not, see .
*/
package org.graylog2.plugin.inputs.util;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
@ChannelHandler.Sharable
public class ConnectionCounter extends ChannelInboundHandlerAdapter {
private final AtomicInteger connections;
private final AtomicLong totalConnections;
public ConnectionCounter(AtomicInteger connections, AtomicLong totalConnections) {
this.connections = connections;
this.totalConnections = totalConnections;
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
connections.incrementAndGet();
totalConnections.incrementAndGet();
ctx.channel().closeFuture().addListener(f -> connections.decrementAndGet());
super.channelActive(ctx);
}
public int getConnectionCount() {
return connections.get();
}
public long getTotalConnections() {
return totalConnections.get();
}
}