dragonls commented on code in PR #537:
URL: https://github.com/apache/pulsar-client-cpp/pull/537#discussion_r2762397005
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lib/MultiTopicsConsumerImpl.cc:
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@@ -850,17 +850,17 @@ void
MultiTopicsConsumerImpl::getBrokerConsumerStatsAsync(const BrokerConsumerSt
LatchPtr latchPtr =
std::make_shared<Latch>(numberTopicPartitions_->load());
lock.unlock();
- size_t i = 0;
- consumers_.forEachValue([this, &latchPtr, &statsPtr, &i, callback](const
ConsumerImplPtr& consumer) {
- size_t index = i++;
- auto weakSelf = weak_from_this();
- consumer->getBrokerConsumerStatsAsync([this, weakSelf, latchPtr,
statsPtr, index, callback](
- Result result, const
BrokerConsumerStats& stats) {
- auto self = weakSelf.lock();
- if (self) {
- handleGetConsumerStats(result, stats, latchPtr, statsPtr,
index, callback);
- }
- });
+ auto indexPtr = std::make_shared<std::atomic<size_t>>(0);
+ auto weakSelf = weak_from_this();
+ consumers_.forEachValue([weakSelf, latchPtr, statsPtr, indexPtr,
callback](const ConsumerImplPtr& consumer) {
Review Comment:
Yes, but in `consumers_.forEachValue`, it also calls
`consumer->getBrokerConsumerStatsAsync`, which passed the `weakSelf` into the
callback. The callback is executed later.
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