// if the sample pkt is full enough so that this sample might put
// it over the limit, then we should send it now.
if((packedSize = computeCountersSampleSize(receiver, cs)) == -1) return -1;
// if the sample pkt is full enough so that this sample might put
// it over the limit, then we should send it now.
if((packedSize = computeCountersSampleSize(receiver, cs)) == -1) return -1;