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[ISSUE #8784] PrintMessageSubCommand support lmq #8785

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Merged
merged 1 commit into from
Oct 9, 2024
Merged

[ISSUE #8784] PrintMessageSubCommand support lmq #8785

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32 changes: 31 additions & 1 deletion tools/src/main/java/org/apache/rocketmq/tools/command/message/PrintMessageSubCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import org.apache.commons.cli.Options;
import org.apache.rocketmq.client.consumer.DefaultMQPullConsumer;
import org.apache.rocketmq.client.consumer.PullResult;
import org.apache.rocketmq.client.impl.FindBrokerResult;
import org.apache.rocketmq.common.MixAll;
import org.apache.rocketmq.common.UtilAll;
import org.apache.rocketmq.common.message.MessageExt;
Expand Down Expand Up @@ -97,6 +98,12 @@ public Options buildCommandlineOptions(Options options) {
opt.setRequired(false);
options.addOption(opt);

opt =
new Option("l", "lmqParentTopic", true,
"Lmq parent topic, lmq is used to find the route.");
opt.setRequired(false);
options.addOption(opt);

return options;
}

Expand All @@ -113,11 +120,20 @@ public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) t
String subExpression =
!commandLine.hasOption('s') ? "*" : commandLine.getOptionValue('s').trim();

String lmqParentTopic =
!commandLine.hasOption('l') ? null : commandLine.getOptionValue('l').trim();

boolean printBody = !commandLine.hasOption('d') || Boolean.parseBoolean(commandLine.getOptionValue('d').trim());

consumer.start();

Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues(topic);
Set<MessageQueue> mqs;
if (lmqParentTopic != null) {
mqs = consumer.fetchSubscribeMessageQueues(lmqParentTopic);
mqs.forEach(mq -> mq.setTopic(topic));
} else {
mqs = consumer.fetchSubscribeMessageQueues(topic);
}
for (MessageQueue mq : mqs) {
long minOffset = consumer.minOffset(mq);
long maxOffset = consumer.maxOffset(mq);
Expand All @@ -139,6 +155,7 @@ public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) t
READQ:
for (long offset = minOffset; offset < maxOffset; ) {
try {
fillBrokerAddrIfNotExist(consumer, mq, lmqParentTopic);
PullResult pullResult = consumer.pull(mq, subExpression, offset, 32);
offset = pullResult.getNextBeginOffset();
switch (pullResult.getPullStatus()) {
Expand Down Expand Up @@ -167,4 +184,17 @@ public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) t
consumer.shutdown();
}
}

public void fillBrokerAddrIfNotExist(DefaultMQPullConsumer defaultMQPullConsumer, MessageQueue messageQueue,
String routeTopic) {

FindBrokerResult findBrokerResult = defaultMQPullConsumer.getDefaultMQPullConsumerImpl().getRebalanceImpl().getmQClientFactory()
.findBrokerAddressInSubscribe(messageQueue.getBrokerName(), 0, false);
if (findBrokerResult == null) {
// use lmq parent topic to fill up broker addr table
defaultMQPullConsumer.getDefaultMQPullConsumerImpl().getRebalanceImpl().getmQClientFactory()
.updateTopicRouteInfoFromNameServer(routeTopic);
}

}
}
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