in tools/NetLog-Listener/NetLog-Listener/BusinessLogic/ListenerService/NLLogListenerService.m [152:164]
static void ListeningSocketCallback(CFSocketRef socket, CFSocketCallBackType callbackType, CFDataRef address, const void *data, void *info) {
NLLogListenerService* listenerService = (__bridge NLLogListenerService *) info;
int fd = *(const int *)data;
assert([listenerService isKindOfClass:[NLLogListenerService class]]);
assert(socket == listenerService->listeningSocket);
assert(callbackType == kCFSocketAcceptCallBack);
assert(address != NULL);
assert(data != nil);
assert(fd >= 0);
[listenerService connectionReceived:fd];
}