@Override
public void doAppend(
final LogEventPack logEventPack,
final RecordHeader header,
final LogDeliveryCallback listener) {
if (!closed) {
if (executor == null || callbackExecutor == null || flumeClientManager == null) {
reinit();
}
if (executor == null || callbackExecutor == null || flumeClientManager == null) {
LOG.warn("Some of components haven't been initialized. Skipping append method");
listener.onInternalError();
return;
}
executor.submit(
new Runnable() {
@Override
public void run() {
try {
List<Event> events =
flumeEventBuilder.generateEvents(logEventPack, header, getApplicationToken());
try {
if (events != null && !events.isEmpty()) {
if (flumeClientManager != null) {
int logCount = events.size();
inputLogCount.getAndAdd(logCount);
ListenableFuture<AppendBatchAsyncResultPojo> result =
flumeClientManager.sendEventsToFlumeAsync(events);
Futures.addCallback(
result,
new Callback(
listener, flumeSuccessLogCount, flumeFailureLogCount, logCount),
callbackExecutor);
LOG.debug("Appended {} logs to flume", logEventPack.getEvents().size());
} else {
LOG.warn("Flume client wasn't initialized. Invoke method init before.");
listener.onInternalError();
}
} else {
LOG.warn("Unable to generate Flume events from log event pack!");
listener.onInternalError();
}
} catch (EventDeliveryException e) {
LOG.warn("Can't send flume event. ", e);
listener.onConnectionError();
}
} catch (Exception e) {
LOG.warn("Got exception. Can't process log events", e);
listener.onInternalError();
}
}
});
} else {
LOG.info("Attempted to append to closed appender named [{}].", getName());
listener.onInternalError();
}
}
@Override
public void onFailure(Throwable t) {
flumeFailureLogCount.getAndAdd(size);
LOG.warn("Failed to store record", t);
if (t instanceof IOException) {
callback.onConnectionError();
} else if (t instanceof EventDeliveryException) {
callback.onRemoteError();
} else {
callback.onInternalError();
}
}