Return the current read or write bucket size for a bufferevent.
If it is not configured with a per-bufferevent ratelimit, return
EV_SSIZE_MAX. This function does not inspect the group limit, if any.
Note that it can return a negative value if the bufferevent has been
made to read or write more than its limit.
@name Rate limit inspection
Return the current read or write bucket size for a bufferevent. If it is not configured with a per-bufferevent ratelimit, return EV_SSIZE_MAX. This function does not inspect the group limit, if any. Note that it can return a negative value if the bufferevent has been made to read or write more than its limit.
@{