@Override
public void start() {
final Map<String, Appender> map = config.getAppenders();
final List<AppenderControl> appenders = new ArrayList<>();
for (final AppenderRef appenderRef : appenderRefs) {
if (map.containsKey(appenderRef.getRef())) {
appenders.add(
new AppenderControl(
map.get(appenderRef.getRef()), appenderRef.getLevel(), appenderRef.getFilter()));
} else {
LOGGER.error("No appender named {} was configured", appenderRef);
}
}
if (errorRef != null) {
if (map.containsKey(errorRef)) {
errorAppender = new AppenderControl(map.get(errorRef), null, null);
} else {
LOGGER.error(
"Unable to set up error Appender. No appender named {} was configured", errorRef);
}
}
if (appenders.size() > 0) {
thread = new AsyncThread(appenders, queue);
thread.setName("AsyncAppender-" + getName());
} else if (errorRef == null) {
throw new ConfigurationException("No appenders are available for AsyncAppender " + getName());
}
thread.start();
super.start();
}
@Override
public void stop() {
super.stop();
LOGGER.trace("AsyncAppender stopping. Queue still has {} events.", queue.size());
thread.shutdown();
try {
thread.join();
} catch (final InterruptedException ex) {
LOGGER.warn("Interrupted while stopping AsyncAppender {}", getName());
}
LOGGER.trace("AsyncAppender stopped. Queue has {} events.", queue.size());
}
@Override
public boolean stop(final long timeout, final TimeUnit timeUnit) {
setStopping();
super.stop(timeout, timeUnit, false);
LOGGER.trace("AsyncAppender stopping. Queue still has {} events.", queue.size());
thread.shutdown();
try {
thread.join(shutdownTimeout);
} catch (final InterruptedException ex) {
LOGGER.warn("Interrupted while stopping AsyncAppender {}", getName());
}
LOGGER.trace("AsyncAppender stopped. Queue has {} events.", queue.size());
if (DiscardingAsyncQueueFullPolicy.getDiscardCount(asyncQueueFullPolicy) > 0) {
LOGGER.trace(
"AsyncAppender: {} discarded {} events.",
asyncQueueFullPolicy,
DiscardingAsyncQueueFullPolicy.getDiscardCount(asyncQueueFullPolicy));
}
setStopped();
return true;
}
@PluginFactory
public static SyslogAppender createAppender(
@PluginAttribute("host") String host,
@PluginAttribute("port") String portNum,
@PluginAttribute("protocol") String protocol,
@PluginAttribute("reconnectionDelay") String delay,
@PluginAttribute("immediateFail") String immediateFail,
@PluginAttribute("name") String name,
@PluginAttribute("immediateFlush") String immediateFlush,
@PluginAttribute("ignoreExceptions") String ignore,
@PluginAttribute("facility") String facility,
@PluginAttribute("id") String id,
@PluginAttribute("enterpriseNumber") String ein,
@PluginAttribute("includeMDC") String includeMDC,
@PluginAttribute("mdcId") String mdcId,
@PluginAttribute("mdcPrefix") String mdcPrefix,
@PluginAttribute("eventPrefix") String eventPrefix,
@PluginAttribute("newLine") String includeNL,
@PluginAttribute("newLineEscape") String escapeNL,
@PluginAttribute("appName") String appName,
@PluginAttribute("messageId") String msgId,
@PluginAttribute("mdcExcludes") String excludes,
@PluginAttribute("mdcIncludes") String includes,
@PluginAttribute("mdcRequired") String required,
@PluginAttribute("format") String format,
@PluginElement("Filters") Filter filter,
@PluginConfiguration Configuration config,
@PluginAttribute("charset") String charsetName,
@PluginAttribute("exceptionPattern") String exceptionPattern,
@PluginElement("LoggerFields") LoggerFields[] loggerFields,
@PluginAttribute("advertise") String advertise) {
boolean isFlush = Booleans.parseBoolean(immediateFlush, true);
boolean ignoreExceptions = Booleans.parseBoolean(ignore, true);
int reconnectDelay = AbstractAppender.parseInt(delay, 0);
boolean fail = Booleans.parseBoolean(immediateFail, true);
int port = AbstractAppender.parseInt(portNum, 0);
boolean isAdvertise = Boolean.parseBoolean(advertise);
Layout<? extends Serializable> layout =
"RFC5424".equalsIgnoreCase(format)
? RFC5424Layout.createLayout(
facility,
id,
ein,
includeMDC,
mdcId,
mdcPrefix,
eventPrefix,
includeNL,
escapeNL,
appName,
msgId,
excludes,
includes,
required,
exceptionPattern,
"false",
loggerFields,
config)
: SyslogLayout.createLayout(facility, includeNL, escapeNL, charsetName);
if (name == null) {
LOGGER.error("No name provided for SyslogAppender");
return null;
}
Protocol p = (Protocol) EnglishEnums.valueOf(Protocol.class, protocol);
AbstractSocketManager manager =
createSocketManager(p, host, port, reconnectDelay, fail, layout);
if (manager == null) {
return null;
}
return new SyslogAppender(
name,
layout,
filter,
ignoreExceptions,
isFlush,
manager,
isAdvertise ? config.getAdvertiser() : null);
}