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use ::std::fmt;
use ::std::net::Ipv4Addr;
use ::std::mem::swap;
use ::std::net::SocketAddr;
#[derive(PartialEq, Hash, Eq, Debug, Clone, PartialOrd, Ord)]
pub enum Protocol {
Tcp,
Udp,
}
impl fmt::Display for Protocol {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Protocol::Tcp => write!(f, "tcp"),
Protocol::Udp => write!(f, "udp"),
}
}
}
#[derive(PartialEq, Hash, Eq, Debug, Clone, PartialOrd, Ord)]
pub struct Socket {
pub ip: Ipv4Addr,
pub port: u16,
}
impl fmt::Display for Socket {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}:{}", self.ip, self.port)
}
}
#[derive(PartialEq, Hash, Eq, Debug, Clone, PartialOrd, Ord)]
pub struct Connection {
pub local_socket: Socket,
pub remote_socket: Socket,
pub protocol: Protocol,
}
impl fmt::Display for Connection {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"{} => {} ({})",
self.local_socket, self.remote_socket, self.protocol
)
}
}
impl Connection {
pub fn new(
local_socket: SocketAddr,
remote_socket: SocketAddr,
protocol: Protocol,
) -> Option<Self> {
match (local_socket, remote_socket) {
(SocketAddr::V4(local_socket), SocketAddr::V4(remote_socket)) => Some(Connection {
// we use our own Socket here because SocketAddr is not sorable
local_socket: Socket {
ip: *local_socket.ip(),
port: local_socket.port(),
},
remote_socket: Socket {
ip: *remote_socket.ip(),
port: remote_socket.port(),
},
protocol,
}),
(_, _) => None,
}
}
pub fn swap_direction(&mut self) {
swap(&mut self.local_socket, &mut self.remote_socket);
}
}
|
