/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2007-2011 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.linkd.snmp;
import org.opennms.core.utils.LogUtils;
import org.opennms.netmgt.snmp.SnmpAgentConfig;
import org.opennms.netmgt.snmp.SnmpObjId;
import org.opennms.netmgt.snmp.SnmpUtils;
import org.opennms.netmgt.snmp.SnmpValue;
/**
* This class is designed to collect the necessary SNMP information from the
* target address and store the collected information. When the class is
* initially constructed no information is collected. The SNMP Session creating
* and collection occurs in the main run method of the instance. This allows the
* collection to occur in a thread if necessary.
*/
public final class FdbTableGet {
private final static String FDB_PORT_OID = ".1.3.6.1.2.1.17.4.3.1.2";
private final static String FDB_STATUS_OID = ".1.3.6.1.2.1.17.4.3.1.3";
private final static String QFDB_PORT_OID = ".1.3.6.1.2.1.17.7.1.2.2.1.2";
private final static String QFDB_STATUS_OID = ".1.3.6.1.2.1.17.7.1.2.2.1.3";
/**
* The SnmpPeer object used to communicate via SNMP with the remote host.
*/
private SnmpAgentConfig m_agentConfig;
private String m_mac;
/**
* <p>Constructor for FdbTableGet.</p>
*
* @param config a {@link org.opennms.netmgt.snmp.SnmpAgentConfig} object.
* @param mac a {@link java.lang.String} object.
*/
public FdbTableGet(SnmpAgentConfig config, String mac) {
m_agentConfig = config;
m_mac = getInstanceString(mac);
}
/**
* <p>getBridgePort</p>
*
* @return a int.
*/
public int getBridgePort() {
SnmpValue val = SnmpUtils.get(m_agentConfig, getOid(FDB_PORT_OID));
if (val == null) return -1;
if (val.isNull() || val.isError()) return -1;
if (val.isNumeric()) return val.toInt();
LogUtils.debugf(this, "getBridgePort: mac/bridgeport: %s/%s", m_mac, val.toDisplayString());
return -1;
}
/**
* <p>getQBridgePort</p>
*
* @return a int.
*/
public int getQBridgePort() {
SnmpValue val = SnmpUtils.get(m_agentConfig, getOid(QFDB_PORT_OID));
if (val == null) return -1;
if (val.isNull() || val.isError()) return -1;
if (val.isNumeric()) return val.toInt();
LogUtils.debugf(this, "getQBridgePort: mac/bridgeport: %s/%s", m_mac, val.toDisplayString());
return -1;
}
/**
* <p>getBridgePortStatus</p>
*
* @return a int.
*/
public int getBridgePortStatus() {
SnmpValue val = SnmpUtils.get(m_agentConfig, getOid(FDB_STATUS_OID));
if (val == null) return -1;
if (val.isNull() || val.isError()) return -1;
if (val.isNumeric()) return val.toInt();
LogUtils.debugf(this, "getBridgePortStatus: mac/bridgeport: %s/%s", m_mac, val.toDisplayString());
return -1;
}
/**
* <p>getQBridgePortStatus</p>
*
* @return a int.
*/
public int getQBridgePortStatus() {
SnmpValue val = SnmpUtils.get(m_agentConfig, getOid(QFDB_STATUS_OID));
if (val == null) return -1;
if (val.isNull() || val.isError()) return -1;
if (val.isNumeric()) return val.toInt();
LogUtils.debugf(this, "getQBridgePortStatus: mac/bridgeport: %s/%s", m_mac, val.toDisplayString());
return -1;
}
private SnmpObjId getOid(String oid) {
return SnmpObjId.get(oid+"."+m_mac);
}
private String getInstanceString(String mac) {
return Integer.parseInt(mac.substring(0, 2),16) + "." +
Integer.parseInt(mac.substring(2, 4),16) + "." +
Integer.parseInt(mac.substring(4, 6),16) + "." +
Integer.parseInt(mac.substring(6, 8),16) + "." +
Integer.parseInt(mac.substring(8, 10),16)+ "." +
Integer.parseInt(mac.substring(10, 12),16);
}
}