diff options
Diffstat (limited to 'src/count.rs')
-rw-r--r-- | src/count.rs | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/count.rs b/src/count.rs deleted file mode 100644 index c3d92bf..0000000 --- a/src/count.rs +++ /dev/null @@ -1,67 +0,0 @@ -const U16_MAX: usize = u16::MAX as usize; - -pub struct Count { - tcp_tx: Box<[usize]>, - tcp_rx: Box<[usize]>, - udp_tx: Box<[usize]>, - udp_rx: Box<[usize]>, -} - -impl Count { - pub fn new() -> Self { - Self { - tcp_tx: Box::new([0; U16_MAX]), - tcp_rx: Box::new([0; U16_MAX]), - udp_tx: Box::new([0; U16_MAX]), - udp_rx: Box::new([0; U16_MAX]), - } - } - - pub fn push_tcp(&mut self, tx_flag: bool, src: u16, dst: u16, len: usize) { - // The unsafe code here is bad and not good. As far as I am aware, this - // is safe except for allowing race conditions. - if tx_flag { - let bad_mut = unsafe { &mut *(self.tcp_tx.as_ptr() as *mut [usize; U16_MAX]) }; - bad_mut[src as usize] += len; - } else { - let bad_mut = unsafe { &mut *(self.tcp_rx.as_ptr() as *mut [usize; U16_MAX]) }; - bad_mut[dst as usize] += len; - } - } - - pub fn push_udp(&mut self, tx_flag: bool, src: u16, dst: u16, len: usize) { - // The unsafe code here is bad and not good. As far as I am aware, this - // is safe except for allowing race conditions. - if tx_flag { - let bad_mut = unsafe { &mut *(self.udp_tx.as_ptr() as *mut [usize; U16_MAX]) }; - bad_mut[src as usize] += len; - } else { - let bad_mut = unsafe { &mut *(self.udp_rx.as_ptr() as *mut [usize; U16_MAX]) }; - bad_mut[dst as usize] += len; - } - } - - pub fn tcp_tx(&self, port: u16) -> usize { - self.tcp_tx[port as usize] - } - - pub fn tcp_rx(&self, port: u16) -> usize { - self.tcp_rx[port as usize] - } - - pub fn udp_tx(&self, port: u16) -> usize { - self.udp_tx[port as usize] - } - - pub fn udp_rx(&self, port: u16) -> usize { - self.udp_rx[port as usize] - } - - pub fn many_tcp_tx(&self, ports: &[u16]) -> usize { - ports.iter().fold(0, |acc, port| acc + self.tcp_tx[*port as usize]) - } - - pub fn many_tcp_rx(&self, ports: &[u16]) -> usize { - ports.iter().fold(0, |acc, port| acc + self.tcp_rx[*port as usize]) - } -} |