/* * Copyright (c) 2011-2013 The original author or authors * ------------------------------------------------------ * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Apache License v2.0 which accompanies this distribution. * * The Eclipse Public License is available at * http://www.eclipse.org/legal/epl-v10.html * * The Apache License v2.0 is available at * http://www.opensource.org/licenses/apache2.0.php * * You may elect to redistribute this code under either of these licenses. */ package io.vertx.core.spi.metrics; import io.vertx.core.net.SocketAddress; /** * An SPI used internally by Vert.x to gather metrics on a net socket which serves * as a base class for TCP or UDP.<p/> * * @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a> */ public interface NetworkMetrics<S> extends Metrics { /** * Called when bytes have been read * * @param socketMetric the socket metric, null for UDP * @param remoteAddress the remote address which this socket received bytes from * @param numberOfBytes the number of bytes read */ void bytesRead(S socketMetric, SocketAddress remoteAddress, long numberOfBytes); /** * Called when bytes have been written * * @param socketMetric the socket metric, null for UDP * @param remoteAddress the remote address which bytes are being written to * @param numberOfBytes the number of bytes written */ void bytesWritten(S socketMetric, SocketAddress remoteAddress, long numberOfBytes); /** * Called when exceptions occur for a specific connection. * * @param socketMetric the socket metric, null for UDP * @param remoteAddress the remote address of the connection or null if it's datagram/udp * @param t the exception that occurred */ void exceptionOccurred(S socketMetric, SocketAddress remoteAddress, Throwable t); }