return;
}
}
// 查询订阅关系
final SubscriptionData subscriptionData =
this.rebalanceImpl.getSubscriptionInner().get(pullRequest.getMessageQueue().getTopic());
if (null == subscriptionData) {
// 由于并发关系，即使找不到订阅关系，也要重试下，防止丢失PullRequest
this.executePullRequestLater(pullRequest, PullTimeDelayMillsWhenException);
log.warn("find the consumer's subscription failed, {}", pullRequest);
return;
}
final long beginTimestamp = System.currentTimeMillis();
PullCallback pullCallback = new PullCallback() {
@Override
public void onSuccess(PullResult pullResult) {
if (pullResult != null) {
pullResult =
DefaultMQPushConsumerImpl.this.pullAPIWrapper.processPullResult(
pullRequest.getMessageQueue(), pullResult, subscriptionData);
switch (pullResult.getPullStatus()) {
case FOUND:
pullRequest.setNextOffset(pullResult.getNextBeginOffset());
long pullRT = System.currentTimeMillis() - beginTimestamp;
DefaultMQPushConsumerImpl.this.getConsumerStatManager().getConsumertat()
.getPullTimesTotal().incrementAndGet();
DefaultMQPushConsumerImpl.this.getConsumerStatManager().getConsumertat()
.getPullRTTotal().addAndGet(pullRT);
boolean dispathToConsume = processQueue.putMessage(pullResult.getMsgFoundList());
DefaultMQPushConsumerImpl.this.consumeMessageService.submitConsumeRequest(//
pullResult.getMsgFoundList(), //
processQueue, //
pullRequest.getMessageQueue(), //
dispathToConsume);
// 流控
if (DefaultMQPushConsumerImpl.this.defaultMQPushConsumer.getPullInterval() > 0) {
DefaultMQPushConsumerImpl.this.executePullRequestLater(pullRequest,
DefaultMQPushConsumerImpl.this.defaultMQPushConsumer.getPullInterval());
}
// 立刻拉消息
else {
DefaultMQPushConsumerImpl.this.executePullRequestImmediately(pullRequest);
}
break;
case NO_NEW_MSG:
pullRequest.setNextOffset(pullResult.getNextBeginOffset());
DefaultMQPushConsumerImpl.this.correctTagsOffset(pullRequest);
DefaultMQPushConsumerImpl.this.executePullRequestImmediately(pullRequest);
break;
case NO_MATCHED_MSG:
pullRequest.setNextOffset(pullResult.getNextBeginOffset());
DefaultMQPushConsumerImpl.this.executePullRequestImmediately(pullRequest);
break;
case OFFSET_ILLEGAL:
log.warn("the pull request offset illegal, {} {}",//
pullRequest.toString(), pullResult.toString());
if (pullRequest.getNextOffset() < pullResult.getMinOffset()) {
pullRequest.setNextOffset(pullResult.getMinOffset());
}
else if (pullRequest.getNextOffset() > pullResult.getMaxOffset()) {
pullRequest.setNextOffset(pullResult.getMaxOffset());
}
DefaultMQPushConsumerImpl.this.offsetStore.updateOffset(
pullRequest.getMessageQueue(), pullRequest.getNextOffset(), false);
log.warn("fix the pull request offset, {}", pullRequest);
DefaultMQPushConsumerImpl.this.executePullRequestImmediately(pullRequest);
break;
default:
break;
}
}
}
@Override
public void onException(Throwable e) {
if (!pullRequest.getMessageQueue().getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
log.warn("execute the pull request exception", e);
}
DefaultMQPushConsumerImpl.this.executePullRequestLater(pullRequest,
PullTimeDelayMillsWhenException);
}
};
boolean commitOffsetEnable = false;
long commitOffsetValue = 0L;
if (MessageModel.CLUSTERING == this.defaultMQPushConsumer.getMessageModel()) {
commitOffsetValue =
this.offsetStore.readOffset(pullRequest.getMessageQueue(),
ReadOffsetType.READ_FROM_MEMORY);
if (commitOffsetValue > 0) {
commitOffsetEnable = true;
}
}
int sysFlag = PullSysFlag.buildSysFlag(//
commitOffsetEnable, // commitOffset
true, // suspend
false// subscription
);
try {
this.pullAPIWrapper.pullKernelImpl(//
pullRequest.getMessageQueue(), // 1
null, // 2
subscriptionData.getSubVersion(), // 3
pullRequest.getNextOffset(), // 4
this.defaultMQPushConsumer.getPullBatchSize(), // 5
sysFlag, // 6
commitOffsetValue,// 7
BrokerSuspendMaxTimeMillis, // 8