/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2008-2011 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.protocols.nsclient.detector.client;
import java.io.IOException;
import java.net.InetAddress;
import org.opennms.core.utils.InetAddressUtils;
import org.opennms.core.utils.ThreadCategory;
import org.opennms.netmgt.provision.support.Client;
import org.opennms.protocols.nsclient.NsclientException;
import org.opennms.protocols.nsclient.NsclientManager;
import org.opennms.protocols.nsclient.NsclientPacket;
import org.opennms.protocols.nsclient.detector.request.NsclientRequest;
/**
* <p>NsclientClient class.</p>
*
* @author Alejandro Galue <agalue@opennms.org>
* @version $Id: $
*/
public class NsclientClient implements Client<NsclientRequest, NsclientPacket> {
private String password;
private NsclientManager client;
@Override
public void connect(InetAddress address, int port, int timeout) throws IOException, Exception {
client = new NsclientManager(InetAddressUtils.str(address), port, password);
client.setTimeout(timeout);
client.init();
}
@Override
public void close() {
client.close();
}
@Override
public NsclientPacket receiveBanner() throws IOException, Exception {
return null;
}
@Override
public NsclientPacket sendRequest(NsclientRequest request) throws IOException, Exception {
boolean isAServer = false;
NsclientPacket response = null;
for (int attempts = 0; attempts <= request.getRetries() && !isAServer; attempts++) {
try {
response = client.processCheckCommand(request.getFormattedCommand(), request.getCheckParams());
log().debug("sendRequest: " + request.getFormattedCommand() + ": " + response.getResponse());
isAServer = true;
} catch (NsclientException e) {
StringBuffer message = new StringBuffer();
message.append("sendRequest: Check failed... NsclientManager returned exception: ");
message.append(e.getMessage());
message.append(" : ");
message.append((e.getCause() == null ? "": e.getCause().getMessage()));
log().info(message.toString());
isAServer = false;
}
}
return response;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
private ThreadCategory log() {
return ThreadCategory.getInstance(getClass());
}
}