1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
use std::{io, net::SocketAddr, sync::Arc};
use shadowsocks::{relay::socks5::Address, ProxySocket};
use tokio::net::ToSocketAddrs;
use super::flow::FlowStat;
pub struct MonProxySocket {
socket: ProxySocket,
flow_stat: Arc<FlowStat>,
}
impl MonProxySocket {
pub fn from_socket(socket: ProxySocket, flow_stat: Arc<FlowStat>) -> MonProxySocket {
MonProxySocket { socket, flow_stat }
}
#[inline]
pub async fn send(&self, addr: &Address, payload: &[u8]) -> io::Result<()> {
let n = self.socket.send(addr, payload).await?;
self.flow_stat.incr_tx(n as u64);
Ok(())
}
#[inline]
pub async fn send_to<A: ToSocketAddrs>(&self, target: A, addr: &Address, payload: &[u8]) -> io::Result<()> {
let n = self.socket.send_to(target, addr, payload).await?;
self.flow_stat.incr_tx(n as u64);
Ok(())
}
#[inline]
pub async fn recv(&self, recv_buf: &mut [u8]) -> io::Result<(usize, Address)> {
let (n, addr, recv_n) = self.socket.recv(recv_buf).await?;
self.flow_stat.incr_rx(recv_n as u64);
Ok((n, addr))
}
#[inline]
pub async fn recv_from(&self, recv_buf: &mut [u8]) -> io::Result<(usize, SocketAddr, Address)> {
let (n, peer_addr, addr, recv_n) = self.socket.recv_from(recv_buf).await?;
self.flow_stat.incr_rx(recv_n as u64);
Ok((n, peer_addr, addr))
}
#[inline]
pub fn get_ref(&self) -> &ProxySocket {
&self.socket
}
}