/**
* Create an SNMP V2 trap, based on the content of the specified event, and forward the trap to
* the specified address and port. It is assumed that the specified event represents an SNMP V1 or
* V2 trap that was received by OpenNMS (TrapD).
*
* @param event The event upon which the trap content should be based
* @param destAddr The address to which the trap should be forwarded
* @param destPort The port to which the trap should be forwarded
* @exception Throws SnmpTrapHelperException if the variable binding cannot be added to the trap
* for any reason.
* @throws org.opennms.netmgt.scriptd.helper.SnmpTrapHelperException if any.
*/
public void forwardV2Trap(Event event, String destAddr, int destPort)
throws SnmpTrapHelperException {
// the event must correspond to an SNMP trap
Snmp snmpInfo = event.getSnmp();
if (snmpInfo == null) {
throw new SnmpTrapHelperException(
"Cannot forward an event with no SNMP info: " + event.getUei());
}
// check the version of the original trap
String version = snmpInfo.getVersion();
SnmpTrapBuilder packet = SnmpUtils.getV2TrapBuilder();
if ("v1".equals(version)) {
// converting V1 trap to V2 (see RFC2576)
addVarBinding(
packet,
SNMP_SYSUPTIME_OID,
EventConstants.TYPE_SNMP_TIMETICKS,
Long.toString(snmpInfo.getTimeStamp()));
String oid;
if (snmpInfo.getGeneric() == ENTERPRISE_SPECIFIC && snmpInfo.hasSpecific()) {
oid = snmpInfo.getId() + ".0." + snmpInfo.getSpecific();
} else {
oid = SNMP_TRAPS + '.' + (snmpInfo.getGeneric() + 1);
}
addVarBinding(packet, SNMP_TRAP_OID, EventConstants.TYPE_SNMP_OBJECT_IDENTIFIER, oid);
// add the V1 var bindings
boolean addrPresent = false;
boolean communityPresent = false;
boolean enterprisePresent = false;
int i = 0;
for (Parm parm : event.getParmCollection()) {
Value value = parm.getValue();
try {
addVarBinding(
packet, parm.getParmName(), value.getType(), value.getEncoding(), value.getContent());
} catch (SnmpTrapHelperException e) {
throw new SnmpTrapHelperException(e.getMessage() + " in event parm[" + i + "]");
}
if (SNMP_TRAP_ADDRESS_OID.equals(parm.getParmName())) {
addrPresent = true;
} else if (SNMP_TRAP_COMMUNITY_OID.equals(parm.getParmName())) {
communityPresent = true;
} else if (SNMP_TRAP_ENTERPRISE_OID.equals(parm.getParmName())) {
enterprisePresent = true;
}
i++;
}
if (!addrPresent) {
addVarBinding(
packet, SNMP_TRAP_ADDRESS_OID, EventConstants.TYPE_SNMP_IPADDRESS, event.getSnmphost());
}
if (!communityPresent) {
addVarBinding(
packet,
SNMP_TRAP_COMMUNITY_OID,
EventConstants.TYPE_SNMP_OCTET_STRING,
snmpInfo.getCommunity());
}
if (!enterprisePresent) {
addVarBinding(
packet,
SNMP_TRAP_ENTERPRISE_OID,
EventConstants.TYPE_SNMP_OBJECT_IDENTIFIER,
snmpInfo.getId());
}
} else if ("v2".equals(version)) {
addVarBinding(
packet,
SNMP_SYSUPTIME_OID,
EventConstants.TYPE_SNMP_TIMETICKS,
Long.toString(snmpInfo.getTimeStamp()));
String oid;
if (snmpInfo.getGeneric() == ENTERPRISE_SPECIFIC) {
oid = snmpInfo.getId() + "." + snmpInfo.getSpecific();
} else {
oid = SNMP_TRAPS + '.' + (snmpInfo.getGeneric() + 1);
}
addVarBinding(packet, SNMP_TRAP_OID, EventConstants.TYPE_SNMP_OBJECT_IDENTIFIER, oid);
int i = 0;
for (Parm parm : event.getParmCollection()) {
Value value = parm.getValue();
try {
addVarBinding(
packet, parm.getParmName(), value.getType(), value.getEncoding(), value.getContent());
} catch (SnmpTrapHelperException e) {
throw new SnmpTrapHelperException(e.getMessage() + " in event parm[" + i + "]");
}
i++;
}
} else {
throw new SnmpTrapHelperException("Invalid SNMP version: " + version);
}
// send the trap
sendTrap(destAddr, destPort, snmpInfo.getCommunity(), packet);
}
@Override
public void process(final Header eventHeader, final Event event) throws EventProcessorException {
LOG.debug("Writing event: {}", event);
final OnmsEvent oe = new OnmsEvent();
oe.setEventAutoAction(
(event.getAutoactionCount() > 0)
? AutoAction.format(event.getAutoaction(), EVENT_AUTOACTION_FIELD_SIZE)
: null);
oe.setEventCorrelation(
(event.getCorrelation() != null)
? org.opennms.netmgt.dao.util.Correlation.format(
event.getCorrelation(), EVENT_CORRELATION_FIELD_SIZE)
: null);
oe.setEventCreateTime(event.getCreationTime());
oe.setId(event.getDbid());
oe.setEventDescr(event.getDescr());
try {
oe.setDistPoller(m_distPollerDao.get(event.getDistPoller()));
} catch (final DataAccessException e) {
throw new EventProcessorException(e);
}
oe.setEventHost(event.getHost());
oe.setEventForward(
(event.getForwardCount() > 0)
? org.opennms.netmgt.dao.util.Forward.format(
event.getForward(), EVENT_FORWARD_FIELD_SIZE)
: null);
oe.setIfIndex(event.getIfIndex());
oe.setIpAddr(event.getInterfaceAddress());
if (event.getLogmsg() != null) {
// set log message
oe.setEventLogMsg(EventDatabaseConstants.format(event.getLogmsg().getContent(), 0));
final String logdest = event.getLogmsg().getDest();
if (logdest.equals("logndisplay")) {
// if 'logndisplay' set both log and display column to yes
oe.setEventLog("Y");
oe.setEventDisplay("Y");
} else if (logdest.equals("logonly")) {
// if 'logonly' set log column to true
oe.setEventLog("Y");
oe.setEventDisplay("N");
} else if (logdest.equals("displayonly")) {
// if 'displayonly' set display column to true
oe.setEventLog("N");
oe.setEventDisplay("Y");
} else if (logdest.equals("suppress")) {
// if 'suppress' set both log and display to false
oe.setEventLog("N");
oe.setEventDisplay("N");
}
}
oe.setEventMouseOverText(event.getMouseovertext());
try {
oe.setNode(m_nodeDao.get(event.getNodeid().intValue()));
} catch (final DataAccessException e) {
throw new EventProcessorException(e);
}
if (event.getOperactionCount() > 0) {
final List<Operaction> a = new ArrayList<Operaction>();
final List<String> b = new ArrayList<String>();
for (final Operaction eoa : event.getOperactionCollection()) {
a.add(eoa);
b.add(eoa.getMenutext());
}
oe.setEventOperAction(OperatorAction.format(a, EVENT_OPERACTION_FIELD_SIZE));
oe.setEventOperActionMenuText(
EventDatabaseConstants.format(b, EVENT_OPERACTION_MENU_FIELD_SIZE));
}
oe.setEventOperInstruct(event.getOperinstruct());
oe.setEventParms(EventParameterUtils.format(event));
oe.setEventPathOutage(event.getPathoutage());
try {
oe.setServiceType(m_serviceTypeDao.findByName(event.getService()));
} catch (final DataAccessException e) {
throw new EventProcessorException(e);
}
oe.setSeverityLabel(event.getSeverity());
oe.setEventSnmp(SnmpInfo.format(event.getSnmp(), EVENT_SNMP_FIELD_SIZE));
oe.setEventSnmpHost(
EventDatabaseConstants.format(event.getSnmphost(), EVENT_SNMPHOST_FIELD_SIZE));
oe.setEventSource(event.getSource());
oe.setEventTime(event.getTime());
if (event.getTticket() != null) {
oe.setEventTTicket(
EventDatabaseConstants.format(event.getTticket().getContent(), EVENT_TTICKET_FIELD_SIZE));
oe.setEventTTicketState(event.getTticket().getState().equals("on") ? 1 : 0);
}
oe.setEventUei(event.getUei());
m_eventDao.saveOrUpdate(oe);
}
/**
* Create an SNMP V1 trap, based on the content of the specified event, and forward the trap to
* the specified address and port. It is assumed that the specified event represents an SNMP V1 or
* V2 trap that was received by OpenNMS (TrapD).
*
* @param event The event upon which the trap content should be based
* @param destAddr The address to which the trap should be forwarded
* @param destPort The port to which the trap should be forwarded
* @exception Throws SnmpTrapHelperException if the variable binding cannot be added to the trap
* for any reason.
* @throws org.opennms.netmgt.scriptd.helper.SnmpTrapHelperException if any.
*/
public void forwardV1Trap(Event event, String destAddr, int destPort)
throws SnmpTrapHelperException {
// the event must correspond to an SNMP trap
Snmp snmpInfo = event.getSnmp();
if (snmpInfo == null) {
throw new SnmpTrapHelperException(
"Cannot forward an event with no SNMP info: " + event.getUei());
}
// check the version of the original trap
String version = snmpInfo.getVersion();
SnmpV1TrapBuilder trap = SnmpUtils.getV1TrapBuilder();
if ("v1".equals(version)) {
trap.setEnterprise(SnmpObjId.get(snmpInfo.getId()));
InetAddress agentAddress;
agentAddress = InetAddressUtils.addr(event.getSnmphost());
if (agentAddress == null) {
throw new SnmpTrapHelperException("Invalid ip address.");
}
trap.setAgentAddress(agentAddress);
if (snmpInfo.hasGeneric()) {
trap.setGeneric(snmpInfo.getGeneric());
}
if (snmpInfo.hasSpecific()) {
trap.setSpecific(snmpInfo.getSpecific());
}
trap.setTimeStamp(snmpInfo.getTimeStamp());
// varbinds
int i = 0;
for (Parm parm : event.getParmCollection()) {
try {
Value value = parm.getValue();
addVarBinding(
trap, parm.getParmName(), value.getType(), value.getEncoding(), value.getContent());
} catch (SnmpTrapHelperException e) {
throw new SnmpTrapHelperException(e.getMessage() + " in event parm[" + i + "]");
} finally {
i++;
}
}
} else if ("v2".equals(version)) {
// converting V2 trap to V1 (see RFC2576)
trap.setEnterprise(SnmpObjId.get(snmpInfo.getId()));
String addr = null;
for (Parm parm : event.getParmCollection()) {
if (SNMP_TRAP_ADDRESS_OID.equals(parm.getParmName())) {
addr = parm.getValue().getContent();
break;
}
}
if (addr == null) {
addr = "0.0.0.0";
}
InetAddress agentAddress;
agentAddress = InetAddressUtils.addr(addr);
if (agentAddress == null) {
throw new SnmpTrapHelperException("Invalid ip address.");
}
trap.setAgentAddress(agentAddress);
trap.setGeneric(snmpInfo.getGeneric());
trap.setSpecific(snmpInfo.getSpecific());
trap.setTimeStamp(snmpInfo.getTimeStamp());
// varbinds
int i = 0;
for (Parm parm : event.getParmCollection()) {
Value value = parm.getValue();
// omit any parms with type=Counter64
if (!(EventConstants.TYPE_SNMP_COUNTER64.equals(value.getType()))) {
try {
addVarBinding(
trap, parm.getParmName(), value.getType(), value.getEncoding(), value.getContent());
} catch (SnmpTrapHelperException e) {
throw new SnmpTrapHelperException(e.getMessage() + " in event parm[" + i + "]");
}
}
i++;
}
} else {
throw new SnmpTrapHelperException("Invalid SNMP version: " + version);
}
// send the trap
sendTrap(destAddr, destPort, snmpInfo.getCommunity(), trap);
}
/**
* Insert values into the EVENTS table
*
* @exception java.sql.SQLException Thrown if there is an error adding the event to the database.
* @exception java.lang.NullPointerException Thrown if a required resource cannot be found in the
* properties file.
*/
private void insertEvent(final Header eventHeader, final Event event, final Connection connection)
throws SQLException {
// Execute the statement to get the next event id
final int eventID = getNextId();
LOG.debug("DBID: {}", eventID);
synchronized (event) {
event.setDbid(eventID);
}
final DBUtils d = new DBUtils(getClass());
try {
final PreparedStatement insStmt =
connection.prepareStatement(EventdConstants.SQL_DB_INS_EVENT);
d.watch(insStmt);
// eventID
insStmt.setInt(1, eventID);
// eventUEI
insStmt.setString(2, Constants.format(event.getUei(), EVENT_UEI_FIELD_SIZE));
// nodeID
final Long nodeid = event.getNodeid();
set(insStmt, 3, event.hasNodeid() ? nodeid.intValue() : -1);
// eventTime
insStmt.setTimestamp(4, getEventTime(event));
// Resolve the event host to a hostname using the ipInterface table
String hostname = getEventHost(event);
// eventHost
set(insStmt, 5, Constants.format(hostname, EVENT_HOST_FIELD_SIZE));
// ipAddr
set(insStmt, 6, Constants.format(event.getInterface(), EVENT_INTERFACE_FIELD_SIZE));
// eventDpName
String dpName = "localhost";
if (eventHeader != null && eventHeader.getDpName() != null) {
dpName = Constants.format(eventHeader.getDpName(), EVENT_DPNAME_FIELD_SIZE);
} else if (event.getDistPoller() != null) {
dpName = Constants.format(event.getDistPoller(), EVENT_DPNAME_FIELD_SIZE);
}
insStmt.setString(7, dpName);
// eventSnmpHost
set(insStmt, 8, Constants.format(event.getSnmphost(), EVENT_SNMPHOST_FIELD_SIZE));
// service identifier - convert the service name to a service id
set(insStmt, 9, getEventServiceId(event));
// eventSnmp
if (event.getSnmp() != null) {
insStmt.setString(10, SnmpInfo.format(event.getSnmp(), EVENT_SNMP_FIELD_SIZE));
} else {
insStmt.setNull(10, Types.VARCHAR);
}
// eventParms
// Replace any null bytes with a space, otherwise postgres will complain about encoding in
// UNICODE
final String parametersString = Parameter.format(event);
set(insStmt, 11, Constants.format(parametersString, 0));
// eventCreateTime
final Timestamp eventCreateTime = new Timestamp(System.currentTimeMillis());
insStmt.setTimestamp(12, eventCreateTime);
// eventDescr
set(insStmt, 13, Constants.format(event.getDescr(), 0));
// eventLoggroup
set(
insStmt,
14,
(event.getLoggroupCount() > 0)
? Constants.format(event.getLoggroup(), EVENT_LOGGRP_FIELD_SIZE)
: null);
// eventLogMsg
// eventLog
// eventDisplay
if (event.getLogmsg() != null) {
// set log message
set(insStmt, 15, Constants.format(event.getLogmsg().getContent(), 0));
String logdest = event.getLogmsg().getDest();
if (logdest.equals("logndisplay")) {
// if 'logndisplay' set both log and display column to yes
set(insStmt, 16, MSG_YES);
set(insStmt, 17, MSG_YES);
} else if (logdest.equals("logonly")) {
// if 'logonly' set log column to true
set(insStmt, 16, MSG_YES);
set(insStmt, 17, MSG_NO);
} else if (logdest.equals("displayonly")) {
// if 'displayonly' set display column to true
set(insStmt, 16, MSG_NO);
set(insStmt, 17, MSG_YES);
} else if (logdest.equals("suppress")) {
// if 'suppress' set both log and display to false
set(insStmt, 16, MSG_NO);
set(insStmt, 17, MSG_NO);
}
} else {
insStmt.setNull(15, Types.VARCHAR);
/*
* If this is an event that had no match in the event conf
* mark it as to be logged and displayed so that there
* are no events that slip through the system
* without the user knowing about them
*/
set(insStmt, 17, MSG_YES);
}
// eventSeverity
set(insStmt, 18, OnmsSeverity.get(event.getSeverity()).getId());
// eventPathOutage
set(
insStmt,
19,
(event.getPathoutage() != null)
? Constants.format(event.getPathoutage(), EVENT_PATHOUTAGE_FIELD_SIZE)
: null);
// eventCorrelation
set(
insStmt,
20,
(event.getCorrelation() != null)
? org.opennms.netmgt.dao.util.Correlation.format(
event.getCorrelation(), EVENT_CORRELATION_FIELD_SIZE)
: null);
// eventSuppressedCount
insStmt.setNull(21, Types.INTEGER);
// eventOperInstruct
set(insStmt, 22, Constants.format(event.getOperinstruct(), EVENT_OPERINSTRUCT_FIELD_SIZE));
// eventAutoAction
set(
insStmt,
23,
(event.getAutoactionCount() > 0)
? AutoAction.format(event.getAutoaction(), EVENT_AUTOACTION_FIELD_SIZE)
: null);
// eventOperAction / eventOperActionMenuText
if (event.getOperactionCount() > 0) {
final List<Operaction> a = new ArrayList<Operaction>();
final List<String> b = new ArrayList<String>();
for (final Operaction eoa : event.getOperactionCollection()) {
a.add(eoa);
b.add(eoa.getMenutext());
}
set(insStmt, 24, OperatorAction.format(a, EVENT_OPERACTION_FIELD_SIZE));
set(insStmt, 25, Constants.format(b, EVENT_OPERACTION_MENU_FIELD_SIZE));
} else {
insStmt.setNull(24, Types.VARCHAR);
insStmt.setNull(25, Types.VARCHAR);
}
// eventNotification, this column no longer needed
insStmt.setNull(26, Types.VARCHAR);
// eventTroubleTicket / eventTroubleTicket state
if (event.getTticket() != null) {
set(
insStmt,
27,
Constants.format(event.getTticket().getContent(), EVENT_TTICKET_FIELD_SIZE));
set(insStmt, 28, event.getTticket().getState().equals("on") ? 1 : 0);
} else {
insStmt.setNull(27, Types.VARCHAR);
insStmt.setNull(28, Types.INTEGER);
}
// eventForward
set(
insStmt,
29,
(event.getForwardCount() > 0)
? org.opennms.netmgt.dao.util.Forward.format(
event.getForward(), EVENT_FORWARD_FIELD_SIZE)
: null);
// event mouseOverText
set(insStmt, 30, Constants.format(event.getMouseovertext(), EVENT_MOUSEOVERTEXT_FIELD_SIZE));
// eventAckUser
if (event.getAutoacknowledge() != null
&& event.getAutoacknowledge().getState().equals("on")) {
set(
insStmt,
31,
Constants.format(event.getAutoacknowledge().getContent(), EVENT_ACKUSER_FIELD_SIZE));
// eventAckTime - if autoacknowledge is present,
// set time to event create time
set(insStmt, 32, eventCreateTime);
} else {
insStmt.setNull(31, Types.INTEGER);
insStmt.setNull(32, Types.TIMESTAMP);
}
// eventSource
set(insStmt, 33, Constants.format(event.getSource(), EVENT_SOURCE_FIELD_SIZE));
// ifindex
if (event.hasIfIndex()) {
set(insStmt, 34, event.getIfIndex());
} else {
insStmt.setNull(34, Types.INTEGER);
}
// execute
insStmt.executeUpdate();
} finally {
d.cleanUp();
}
LOG.debug("SUCCESSFULLY added {} related data into the EVENTS table.", event.getUei());
}
