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Programmatically avoiding UDP Error "Cannot bind address already in use"

조회 수: 11 (최근 30일)
Matthew Mellor
Matthew Mellor 2016년 7월 15일
답변: Pulkit Goel 2020년 6월 25일
I've been using udp to receive sensor data into matlab. Occasionally I'll have to stop my matlab coding while it is running which keeps it from closing the udpObject that I was using. This means that the next time I run my code I get the error "Cannot bind address already in use". In order to run the code again successfully I have to run the command: fclose(instrfindall). I wondering if at the start of my code before I try to bind to the udp address there is a way to programmatically avoid the "Cannot bind address already in use".
Possibly something like this:
if addressAlreadyInUse
fclose(instrfindall);
end
fopen(udpObject);
Anyone know an appropriate condition to tell if addressAlreadyInUse? Thanks

답변 (1개)

Pulkit Goel
Pulkit Goel 2020년 6월 25일
One way to get around this problem is to enable port sharing before opening the udp object:
udpObject.EnablePortSharing='on';
This allows multiple object to be created with same port. Not the exact solution to what you want, but it works.

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