10 const MIN_SIZE: usize = 2048;
11 const CUTOFF_SIZE: usize = 128 * 1024;
12 const MAX_SIZE: usize = 4 * 1024 * 1024;
19     head: usize,
20     tail: usize,
25     count: usize,
26     limit_count: usize,
27     limit_size: usize,
33     fn available(&self, size: usize) -> bool {  in available()
88     fn size(&self) -> usize {  in size()  argument
93         size as usize  in size()
104     pub fn new(limit_count: usize, limit_size: usize) -> Self {  in new()  argument
126     pub async fn write(&self, packet: &[u8]) -> Result<usize> {  in write()  argument
190     pub async fn read(&self, packet: &mut [u8], duration: Option<Duration>) -> Result<usize> {  in read()  argument
208                     let count = ((n1 as usize) << 8) | n2 as usize;  in read()
287     pub async fn count(&self) -> usize {  in count()  argument
296     pub async fn set_limit_count(&self, limit: usize) {  in set_limit_count()  argument
303     pub async fn size(&self) -> usize {  in size()  argument
316     pub async fn set_limit_size(&self, limit: usize) {  in set_limit_size()  argument