|hostId||ID of the host.|
|error||Error (can be cast to NetworkError for more information).|
int Total user payload and protocol system headers (in bytes) sent from start for the host.
Returns how much payload and protocol system headers (in bytes) have been sent from start for the host (from call NetworkTransport.AddHost).
To determine the rate, sample this value periodically and divide the difference by the intervening time period.