Errors in PubSub.cpp

[Ivan3141]

For the sample pub&sub, in cpp file PubSub.cpp, There are 2 problems.
Problem1:
if remove Subscribe() and Unsubscribe() actions in RunSample(), I can not see the messages published to the MQTT test client, how and why? do I have to subscribe to the topic before publish messages?

Problem2: function SubscribeCallback didn't print out any messages after starting the program

Please have a check. Thanks.

[jmklix]

Did you make sure to remove the locks in the sample:

        {
            std::unique_lock<std::mutex> receivedLock(receiveMutex);
            receiveSignal.wait(receivedLock, [&] { return receivedCount >= messageCount; });
        }

The PubSub sample only prints the messages when it receives them back from the IoT core. Since you don't subscribe to the topic you won't receive anything. And if you don't remove the lock mentioned above then the program will send one message then wait to receive one before continuing and sending the second publish

[jmklix]

Marking this as answered. Please let me know if you have any more questions about this sdk or any samples

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