public synchronized void send(final BatchEvent events) {
if (rpcClient == null) {
rpcClient = connect(agents, retries, connectTimeoutMillis, requestTimeoutMillis);
}
if (rpcClient != null) {
try {
LOGGER.trace("Sending batch of {} events", events.getEvents().size());
rpcClient.appendBatch(events.getEvents());
} catch (final Exception ex) {
rpcClient.close();
rpcClient = null;
final String msg =
"Unable to write to "
+ getName()
+ " at "
+ agents[current].getHost()
+ ':'
+ agents[current].getPort();
LOGGER.warn(msg, ex);
throw new AppenderLoggingException("No Flume agents are available");
}
} else {
final String msg =
"Unable to write to "
+ getName()
+ " at "
+ agents[current].getHost()
+ ':'
+ agents[current].getPort();
LOGGER.warn(msg);
throw new AppenderLoggingException("No Flume agents are available");
}
}
@Override
public synchronized void send(final Event event) {
if (batchSize == 1) {
if (rpcClient == null) {
rpcClient = connect(agents, retries, connectTimeoutMillis, requestTimeoutMillis);
}
if (rpcClient != null) {
try {
rpcClient.append(event);
} catch (final Exception ex) {
rpcClient.close();
rpcClient = null;
final String msg =
"Unable to write to "
+ getName()
+ " at "
+ agents[current].getHost()
+ ':'
+ agents[current].getPort();
LOGGER.warn(msg, ex);
throw new AppenderLoggingException("No Flume agents are available");
}
} else {
final String msg =
"Unable to write to "
+ getName()
+ " at "
+ agents[current].getHost()
+ ':'
+ agents[current].getPort();
LOGGER.warn(msg);
throw new AppenderLoggingException("No Flume agents are available");
}
} else {
batchEvent.addEvent(event);
final int eventCount = batchEvent.getEvents().size();
if (eventCount == 1) {
nextSend = System.nanoTime() + delayNanos;
}
if (eventCount >= batchSize || System.nanoTime() >= nextSend) {
send(batchEvent);
batchEvent = new BatchEvent();
}
}
}
@Override
protected boolean releaseSub(final long timeout, final TimeUnit timeUnit) {
boolean closed = true;
if (rpcClient != null) {
try {
synchronized (this) {
try {
if (batchSize > 1 && batchEvent.getEvents().size() > 0) {
send(batchEvent);
}
} catch (final Exception ex) {
LOGGER.error("Error sending final batch: {}", ex.getMessage());
closed = false;
}
}
rpcClient.close();
} catch (final Exception ex) {
LOGGER.error("Attempt to close RPC client failed", ex);
closed = false;
}
}
rpcClient = null;
return closed;
}