/**
* getPluginsForForeignSource
*
* @param pluginClass a {@link java.lang.Class} object.
* @param foreignSourceName a {@link java.lang.String} object.
* @param <T> a T object.
* @return a {@link java.util.List} object.
*/
public <T> List<T> getPluginsForForeignSource(
final Class<T> pluginClass, final String foreignSourceName) {
final ForeignSource foreignSource =
m_foreignSourceRepository.getForeignSource(foreignSourceName);
assertNotNull(foreignSource, "Expected a foreignSource with name %s", foreignSourceName);
final List<PluginConfig> configs = foreignSource.getPolicies();
if (configs == null) {
return Collections.emptyList();
}
final List<T> plugins = new ArrayList<T>(configs.size());
for (final PluginConfig config : configs) {
final T plugin = m_pluginRegistry.getPluginInstance(pluginClass, config);
if (plugin == null) {
LogUtils.tracef(
this,
"Configured plugin is not appropropriate for policy class %s: %s",
pluginClass,
config);
} else {
plugins.add(plugin);
}
}
return plugins;
}
public void log(String level, String format, Object... args) {
if ("TRACE".equals(level)) LogUtils.tracef(this, format, args);
if ("DEBUG".equals(level)) LogUtils.debugf(this, format, args);
if ("INFO".equals(level)) LogUtils.infof(this, format, args);
if ("WARN".equals(level)) LogUtils.warnf(this, format, args);
if ("ERROR".equals(level)) LogUtils.errorf(this, format, args);
if ("FATAL".equals(level)) LogUtils.errorf(this, format, args);
}
private final void setState(final State oldState, final State newState) {
if (!m_state.compareAndSet(oldState, newState)) {
LogUtils.debugf(
this,
"Attempted to move to state %s with state not %s (actual value %s)",
newState,
oldState,
m_state.get());
} else {
if (LogUtils.isTraceEnabled(this)) {
LogUtils.tracef(this, "Set state to %s\n", newState);
}
}
}
private void handleOrphanedComponents(
final NCSComponent parent,
final ComponentIdentifier child,
final ComponentEventQueue ceq,
final boolean deleteOrphans) {
final ComponentIdentifier parentId = getIdentifier(parent);
final NCSComponent childComponent = getComponent(child);
final Set<ComponentIdentifier> childChildren =
getIdentifiers(childComponent.getSubcomponents());
final Set<ComponentIdentifier> childParents =
getIdentifiers(childComponent.getParentComponents());
LogUtils.tracef(this, "handleOrphanedComponents: parent: %s", parentId);
LogUtils.tracef(this, "handleOrphanedComponents: child: %s", child);
LogUtils.tracef(this, "handleOrphanedComponents: child's children: %s", childChildren);
LogUtils.tracef(this, "handleOrphanedComponents: child's parents: %s", childParents);
if (childParents.size() == 1) {
final ComponentIdentifier childParent = childParents.iterator().next();
if (childParent.equals(parentId)) {
LogUtils.tracef(
this,
"handleOrphanedComponents: child (%s) has only one parent (%s) and it's being deleted.",
child,
childParent);
deleteComponent(child, ceq, deleteOrphans);
} else {
LogUtils.tracef(
this,
"handleOrphanedComponents: child (%s) has only one parent (%s) but it's not the one we expected. This is weird.",
child,
childParent);
ceq.componentUpdated(childParent);
}
} else {
LogUtils.tracef(
this,
"handleOrphanedComponents: child (%s) has more than one parent, sending updates for remaining parents.",
child);
for (final ComponentIdentifier childParent : childParents) {
ceq.componentUpdated(childParent);
}
}
}
public SyslogMessage parse() throws SyslogParserException {
final SyslogMessage syslogMessage = new SyslogMessage();
String message = getText();
int lbIdx = message.indexOf('<');
int rbIdx = message.indexOf('>');
if (lbIdx < 0 || rbIdx < 0 || lbIdx >= (rbIdx - 1)) {
LogUtils.warnf(this, "Syslogd received an unparsable message!");
}
int priCode = 0;
String priStr = message.substring(lbIdx + 1, rbIdx);
try {
priCode = Integer.parseInt(priStr);
} catch (final NumberFormatException ex) {
LogUtils.debugf(this, "ERROR Bad priority code '%s'", priStr);
}
LogUtils.tracef(this, "priority code = %d", priCode);
syslogMessage.setFacility(SyslogFacility.getFacilityForCode(priCode));
syslogMessage.setSeverity(SyslogSeverity.getSeverityForCode(priCode));
message = message.substring(rbIdx + 1, message.length());
final Matcher idMatcher = m_messageIdPattern.matcher(message);
if (idMatcher.find()) {
final String messageId = idMatcher.group(2);
LogUtils.tracef(this, "found message ID '%s'", messageId);
syslogMessage.setMessageID(messageId);
message = message.substring(idMatcher.group(1).length() - 1);
}
LogUtils.tracef(this, "message = %s", message);
Matcher oldDateMatcher = m_oldDatePattern.matcher(message);
if (!oldDateMatcher.find()) {
oldDateMatcher = null;
}
LogUtils.tracef(this, "stdMsg = %s", Boolean.toString(oldDateMatcher != null));
if (!this.find()) {
if (traceEnabled()) {
LogUtils.tracef(
this, "Lenient Syslog pattern '%s' did not match '%s'", getPattern(), getText());
}
return null;
}
String timestamp;
if (oldDateMatcher == null) {
final Matcher stampMatcher = m_datePattern.matcher(message);
if (stampMatcher.find()) {
timestamp = stampMatcher.group(2);
LogUtils.tracef(this, "found timestamp '%s'", timestamp);
// message = message.substring(stampMatcher.group(1).length());
} else {
try {
timestamp = SyslogTimeStamp.getInstance().format(new Date());
} catch (final IllegalArgumentException ex) {
LogUtils.debugf(this, "ERROR INTERNAL DATE ERROR!");
timestamp = "";
}
}
} else {
timestamp = oldDateMatcher.group(1);
message = oldDateMatcher.replaceFirst("");
}
LogUtils.tracef(this, "timestamp = %s", timestamp);
syslogMessage.setDate(parseDate(timestamp));
// These 2 debugs will aid in analyzing the regexes as syslog seems
// to differ a lot depending on implementation or message structure.
if (LogUtils.isTraceEnabled(this)) {
LogUtils.tracef(this, "message = %s", message);
LogUtils.tracef(this, "pattern = %s", m_forwardingPattern);
LogUtils.tracef(this, "host group = %d", m_matchingGroupHost);
LogUtils.tracef(this, "message group = %d", m_matchingGroupMessage);
}
// We will also here find out if, the host needs to
// be replaced, the message matched to a UEI, and
// last if we need to actually hide the message.
// this being potentially helpful in avoiding showing
// operator a password or other data that should be
// confidential.
final Pattern pattern = m_forwardingPattern;
final Matcher m = pattern.matcher(message);
/*
* We matched on a regexp for host/message pair.
* This can be a forwarded message as in BSD Style
* or syslog-ng.
*/
if (m.matches()) {
final String matchedMessage = m.group(m_matchingGroupMessage);
syslogMessage.setMatchedMessage(matchedMessage);
if (LogUtils.isTraceEnabled(this)) {
LogUtils.tracef(
this, "Syslog message '%s' matched regexp '%s'", message, m_forwardingPattern);
LogUtils.tracef(this, "Found host '%s'", m.group(m_matchingGroupHost));
LogUtils.tracef(this, "Found message '%s'", matchedMessage);
}
syslogMessage.setHostName(m.group(m_matchingGroupHost));
message = matchedMessage;
} else {
LogUtils.debugf(this, "Regexp not matched: %s", message);
return null;
}
lbIdx = message.indexOf('[');
rbIdx = message.indexOf(']');
final int colonIdx = message.indexOf(':');
final int spaceIdx = message.indexOf(' ');
int processId = 0;
String processName = "";
String processIdStr = "";
if (lbIdx < (rbIdx - 1) && colonIdx == (rbIdx + 1) && spaceIdx == (colonIdx + 1)) {
processName = message.substring(0, lbIdx);
processIdStr = message.substring(lbIdx + 1, rbIdx);
message = message.substring(colonIdx + 2);
try {
processId = Integer.parseInt(processIdStr);
} catch (final NumberFormatException ex) {
LogUtils.debugf(this, "Bad process id '%s'", processIdStr);
processId = 0;
}
} else if (lbIdx < 0 && rbIdx < 0 && colonIdx > 0 && spaceIdx == (colonIdx + 1)) {
processName = message.substring(0, colonIdx);
message = message.substring(colonIdx + 2);
}
syslogMessage.setProcessId(processId);
syslogMessage.setProcessName(processName);
syslogMessage.setMessage(message.trim());
return syslogMessage;
}
