[PROTON-1733] [cpp] Provide access to actual listening port for listen(":0")

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-c-0.19.0
• Fix Version/s: proton-c-0.20.0
• Component/s: cpp-binding
• Assignee: Alan Conway
• Reporter: Alan Conway
• Created: 04/Jan/18 18:16
• Updated: 26/Mar/18 10:20
• Resolved: 08/Jan/18 16:59

Description

Add

int proton::listener::port()

to get the actual listening port used by an open listener, for the case where the listener was started with port=0.