@Override
public void process(CommandProcessorContext ctx) {
PullSpecificMessageCommand reqCmd = (PullSpecificMessageCommand) ctx.getCommand();
long correlationId = reqCmd.getHeader().getCorrelationId();
String topic = reqCmd.getTopic();
int partition = reqCmd.getPartition();
List<Offset> offsets = reqCmd.getOffsets();
try {
Lease lease = m_leaseContainer.acquireLease(topic, partition, m_config.getSessionId());
if (lease != null) {
List<TppConsumerMessageBatch> batches =
m_messageQueueManager.findMessagesByOffsets( //
topic, partition, offsets);
if (!batches.isEmpty()) {
PullMessageResultCommandV2 cmd = new PullMessageResultCommandV2();
cmd.setBrokerAccepted(true);
cmd.addBatches(batches);
cmd.getHeader().setCorrelationId(correlationId);
ctx.getChannel().writeAndFlush(cmd);
return;
}
} else {
log.debug(
"No broker lease to handle pull message cmd. [op-id: {}] {} {}",
correlationId,
topic,
partition);
}
} catch (Exception e) {
log.debug(
"Handle pull message reqeust failed. [op-id: {}] {} {}",
correlationId,
topic,
partition,
e);
}
PullMessageResultCommandV2 cmd = new PullMessageResultCommandV2();
cmd.setBrokerAccepted(false);
cmd.getHeader().setCorrelationId(correlationId);
ctx.getChannel().writeAndFlush(cmd);
}
@Override
public void process(final CommandProcessorContext ctx) {
SendMessageCommandV3 reqCmd = (SendMessageCommandV3) ctx.getCommand();
Lease lease =
m_leaseContainer.acquireLease(
reqCmd.getTopic(), reqCmd.getPartition(), m_config.getSessionId());
if (m_metaService.findTopicByName(reqCmd.getTopic()) != null) {
if (lease != null) {
if (log.isDebugEnabled()) {
log.debug(
"Send message reqeust arrived(topic={}, partition={}, msgCount={})",
reqCmd.getTopic(),
reqCmd.getPartition(),
reqCmd.getMessageCount());
}
logElapseToCat(reqCmd);
// FIXME if dumper's queue is full, reject it.
writeAck(ctx, true);
Map<Integer, MessageBatchWithRawData> rawBatches = reqCmd.getMessageRawDataBatches();
bizLog(ctx, rawBatches, reqCmd.getPartition());
final SendMessageResultCommand result =
new SendMessageResultCommand(reqCmd.getMessageCount());
result.correlate(reqCmd);
FutureCallback<Map<Integer, Boolean>> completionCallback =
new AppendMessageCompletionCallback(result, ctx, reqCmd.getTopic());
for (Map.Entry<Integer, MessageBatchWithRawData> entry : rawBatches.entrySet()) {
MessageBatchWithRawData batch = entry.getValue();
Tpp tpp =
new Tpp(reqCmd.getTopic(), reqCmd.getPartition(), entry.getKey() == 0 ? true : false);
try {
ListenableFuture<Map<Integer, Boolean>> future =
m_queueManager.appendMessageAsync(
tpp, batch, m_systemClockService.now() + reqCmd.getTimeout());
if (future != null) {
Futures.addCallback(future, completionCallback);
}
} catch (Exception e) {
log.error("Failed to append messages async.", e);
}
}
return;
} else {
if (log.isDebugEnabled()) {
log.debug(
"No broker lease to handle client send message reqeust(topic={}, partition={})",
reqCmd.getTopic(),
reqCmd.getPartition());
}
}
} else {
if (log.isDebugEnabled()) {
log.debug("Topic {} not found", reqCmd.getTopic());
}
}
writeAck(ctx, false);
reqCmd.release();
}
