/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) 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.
*
* OpenNMS(R) 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 OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.netmgt.icmp;
import java.io.IOException;
import java.net.InetAddress;
import java.util.List;
/**
* <p>Pinger class.</p>
*
* @author <a href="mailto:ranger@opennms.org">Ben Reed</a>
* @author <a href="mailto:brozow@opennms.org">Mathew Brozowski</a>
*/
public interface Pinger {
/**
* This method is used to ping a remote host to test for ICMP support. Calls
* the callback method upon success or error.
*
* @param host The {@link java.net.InetAddress} address to poll.
* @param timeout The time to wait between each retry.
* @param retries The number of times to retry.
* @param packetsize The size in byte of the ICMP packet.
* @param sequenceId an ID representing the ping
*
* @param cb the {@link org.opennms.netmgt.ping.PingResponseCallback} callback to call upon success or error
*/
public void ping(InetAddress host, long timeout, int retries, int packetsize, int sequenceId, PingResponseCallback cb) throws Exception;
/**
* This method is used to ping a remote host to test for ICMP support. Calls
* the callback method upon success or error.
*
* @param host The {@link java.net.InetAddress} address to poll.
* @param timeout The time to wait between each retry.
* @param retries The number of times to retry.
* @param sequenceId an ID representing the ping
*
* @param cb the {@link org.opennms.netmgt.ping.PingResponseCallback} callback to call upon success or error
*/
public void ping(InetAddress host, long timeout, int retries, int sequenceId, PingResponseCallback cb) throws Exception;
/**
* This method is used to ping a remote host to test for ICMP support. If
* the remote host responds within the specified period, defined by retries
* and timeouts, then the response time is returned.
*
* @param host The {@link java.net.InetAddress} address to poll.
* @param timeout The time to wait between each retry.
* @param retries The number of times to retry.
* @param packetsize The size in byte of the ICMP packet.
* @return The response time in microseconds if the host is reachable and has responded with an echo reply, otherwise a null value.
*/
public Number ping(InetAddress host, long timeout, int retries, int packetsize) throws Exception;
/**
* This method is used to ping a remote host to test for ICMP support. If
* the remote host responds within the specified period, defined by retries
* and timeouts, then the response time is returned.
*
* @param host The {@link java.net.InetAddress} address to poll.
* @param timeout The time to wait between each retry.
* @param retries The number of times to retry.
* @return The response time in microseconds if the host is reachable and has responded with an echo reply, otherwise a null value.
*/
public Number ping(InetAddress host, long timeout, int retries) throws Exception;
/**
* Ping a remote host, using the default number of retries and timeouts.
*
* @param host The {@link java.net.InetAddress} address to poll.
* @return The response time in microseconds if the host is reachable and has responded with an echo reply, otherwise a null value.
* @throws IOException if any.
* @throws InterruptedException if any.
* @throws java.lang.Exception if any.
*/
public Number ping(InetAddress host) throws Exception;
/**
* Ping a remote host, sending 1 or more packets at the given interval, and then
* return the response times as a list.
*
* @param host The {@link java.net.InetAddress} address to poll.
* @param count The number of packets to send.
* @param timeout The time to wait between each retry.
* @param pingInterval The interval at which packets will be sent.
* @return a {@link java.util.List} of response times in microseconds.
* If, for a given ping request, the host is reachable and has responded with an
* echo reply, it will contain a number, otherwise a null value.
*/
public List<Number> parallelPing(InetAddress host, int count, long timeout, long pingInterval) throws Exception;
/**
* Initialize IPv4 in this Pinger implementation.
* @throws Exception
*/
public void initialize4() throws Exception;
/**
* Initialize IPv6 in this Pinger implementation.
* @throws Exception
*/
public void initialize6() throws Exception;
/**
* Whether or not IPv4 is initialized and available for this implementation.
*/
public boolean isV4Available();
/**
* Whether or not IPv6 is initialized and available for this implementation.
* @return
*/
public boolean isV6Available();
}