BewareMyPower commented on code in PR #539:
URL: https://github.com/apache/pulsar-client-cpp/pull/539#discussion_r2871272118
##########
lib/ClientConnection.cc:
##########
@@ -603,15 +603,29 @@ void ClientConnection::handleResolve(ASIO_ERROR err,
const tcp::resolver::result
return;
}
+ tcp::endpoint endpointToLog;
+ if (!results.empty()) {
+ endpointToLog = *results.begin();
+ LOG_DEBUG(cnxString_ << "Resolved " << results.size() << " endpoints");
+ for (const auto& endpoint : results) {
+ LOG_DEBUG(cnxString_ << " " <<
endpoint.endpoint().address().to_string() << ":" << endpoint.endpoint().port());
+ }
+ }
+
auto weakSelf = weak_from_this();
- connectTimeoutTask_->setCallback([weakSelf](const PeriodicTask::ErrorCode&
ec) {
+ connectTimeoutTask_->setCallback([weakSelf, endpointToLog](const
PeriodicTask::ErrorCode& ec) {
Review Comment:
Instead of capturing the 1st endpoint in the DNS results, it would be better
to pass all endpoints and log them for failures.
```c++
static std::ostream& operator<<(std::ostream& os, const
tcp::resolver::results_type& results) {
for (const auto& entry : results) {
os << entry.endpoint() << " ";
}
return os;
}
```
```c++
connectTimeoutTask_->setCallback([weakSelf, results](const
PeriodicTask::ErrorCode& ec) {
/* ... */
if (ptr->state_ != Ready) {
LOG_ERROR(ptr->cnxString_ << "Connection to " << results << "
was not established in "
<<
ptr->connectTimeoutTask_->getPeriodMs() << " ms, close the socket");
```
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