Unregister Reachability event

Question

Created Jun ’22

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Hi,

I'm using the reachability framework in order to register network status event for a specific address (address_st in the code below)... I'd like to support change of address which will trigger unregister from the old address and register to the new one. How can it be done ?

SCNetworkReachabilityRef reachabilityRef =
    SCNetworkReachabilityCreateWithAddress(NULL, reinterpret_cast<sockaddr *>(&address_st));

SCNetworkReachabilityContext context = {0, NULL, NULL, NULL, NULL};

SCNetworkReachabilitySetCallback(reachabilityRef, ReachabilityCallback, &context)) 

SCNetworkReachabilitySetDispatchQueue(reachabilityRef,
                                      dispatch_queue_create("com.reachability.test", nil));

thanks,

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Answer 1

DTS Engineer OP

Apple

Jun ’22

Accepted Answer

The docs seem pretty clear here:

The libdispatch queue on which the target should run. Pass NULL to disable notifications and release the queue.

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