| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License |
| |
| package org.apache.cloudstack.alert.snmp; |
| |
| import java.io.IOException; |
| import java.lang.management.ManagementFactory; |
| |
| import org.snmp4j.CommunityTarget; |
| import org.snmp4j.PDU; |
| import org.snmp4j.Snmp; |
| import org.snmp4j.mp.SnmpConstants; |
| import org.snmp4j.smi.OID; |
| import org.snmp4j.smi.OctetString; |
| import org.snmp4j.smi.UdpAddress; |
| import org.snmp4j.smi.UnsignedInteger32; |
| import org.snmp4j.smi.TimeTicks; |
| import org.snmp4j.smi.VariableBinding; |
| import org.snmp4j.transport.DefaultUdpTransportMapping; |
| |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| public class SnmpHelper { |
| private Snmp _snmp; |
| private CommunityTarget _target; |
| |
| public SnmpHelper(String address, String community) { |
| _target = new CommunityTarget(); |
| _target.setCommunity(new OctetString(community)); |
| _target.setVersion(SnmpConstants.version2c); |
| _target.setAddress(new UdpAddress(address)); |
| try { |
| _snmp = new Snmp(new DefaultUdpTransportMapping()); |
| } catch (IOException e) { |
| _snmp = null; |
| throw new CloudRuntimeException(" Error in crearting snmp object, " + e.getMessage()); |
| } |
| } |
| |
| public void sendSnmpTrap(SnmpTrapInfo snmpTrapInfo) { |
| try { |
| if (_snmp != null) { |
| _snmp.send(createPDU(snmpTrapInfo), _target, null, null); |
| } |
| } catch (IOException e) { |
| throw new CloudRuntimeException(" Error in sending SNMP Trap, " + e.getMessage()); |
| } |
| } |
| |
| private PDU createPDU(SnmpTrapInfo snmpTrapInfo) { |
| PDU trap = new PDU(); |
| trap.setType(PDU.TRAP); |
| |
| int alertType = snmpTrapInfo.getAlertType() + 1; |
| if (alertType > 0) { |
| long sysUpTimeTicks = ManagementFactory.getRuntimeMXBean().getUptime() / 10; |
| trap.add(new VariableBinding(SnmpConstants.sysUpTime, new TimeTicks(sysUpTimeTicks))); |
| trap.add(new VariableBinding(SnmpConstants.snmpTrapOID, getOID(CsSnmpConstants.TRAPS_PREFIX + alertType))); |
| if (snmpTrapInfo.getDataCenterId() != 0) { |
| trap.add(new VariableBinding(getOID(CsSnmpConstants.DATA_CENTER_ID), new UnsignedInteger32(snmpTrapInfo.getDataCenterId()))); |
| } |
| |
| if (snmpTrapInfo.getPodId() != 0) { |
| trap.add(new VariableBinding(getOID(CsSnmpConstants.POD_ID), new UnsignedInteger32(snmpTrapInfo.getPodId()))); |
| } |
| |
| if (snmpTrapInfo.getClusterId() != 0) { |
| trap.add(new VariableBinding(getOID(CsSnmpConstants.CLUSTER_ID), new UnsignedInteger32(snmpTrapInfo.getClusterId()))); |
| } |
| |
| if (snmpTrapInfo.getMessage() != null) { |
| trap.add(new VariableBinding(getOID(CsSnmpConstants.MESSAGE), new OctetString(snmpTrapInfo.getMessage()))); |
| } else { |
| throw new CloudRuntimeException(" What is the use of alert without message "); |
| } |
| |
| if (snmpTrapInfo.getGenerationTime() != null) { |
| trap.add(new VariableBinding(getOID(CsSnmpConstants.GENERATION_TIME), new OctetString(snmpTrapInfo.getGenerationTime().toString()))); |
| } else { |
| trap.add(new VariableBinding(getOID(CsSnmpConstants.GENERATION_TIME))); |
| } |
| } else { |
| throw new CloudRuntimeException(" Invalid alert Type "); |
| } |
| |
| return trap; |
| } |
| |
| private OID getOID(String oidString) { |
| return new OID(oidString); |
| } |
| } |