Think your UDP-receiving code as an interrupt handler and try applying common sense from there. An interrupt handling routine should finish in short, quasi-constant time, and definitely its execution time should not depend on circumstances outside its control.

I suggest pushing your received packets onto a safe queue right away (without deciding upon their content), and let other thread/process handle them. (Thread::Queue looks interesting).

In reply to Re: Efficient non-blocking UDP server by calin
in thread Efficient non-blocking UDP server by crenz

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