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use crate::net::{SocketAddr, TcpListener, TcpStream, ToSocketAddrs, UdpSocket};
use cap_primitives::net::NO_SOCKET_ADDRS;
use cap_primitives::AmbientAuthority;
use std::time::Duration;
use std::{io, net};
#[derive(Clone)]
pub struct Pool {
cap: cap_primitives::net::Pool,
}
impl Pool {
pub fn new() -> Self {
Self {
cap: cap_primitives::net::Pool::new(),
}
}
pub fn insert_ip_net(
&mut self,
ip_net: ipnet::IpNet,
port: u16,
ambient_authority: AmbientAuthority,
) {
self.cap.insert_ip_net(ip_net, port, ambient_authority)
}
pub fn insert_socket_addr(
&mut self,
addr: net::SocketAddr,
ambient_authority: AmbientAuthority,
) {
self.cap.insert_socket_addr(addr, ambient_authority)
}
#[inline]
pub fn bind_tcp_listener<A: ToSocketAddrs>(&self, addr: A) -> io::Result<TcpListener> {
let addrs = addr.to_socket_addrs()?;
let mut last_err = None;
for addr in addrs {
self.cap.check_addr(&addr)?;
match net::TcpListener::bind(addr) {
Ok(tcp_listener) => return Ok(TcpListener::from_std(tcp_listener)),
Err(e) => last_err = Some(e),
}
}
match last_err {
Some(e) => Err(e),
None => Err(net::TcpListener::bind(NO_SOCKET_ADDRS).unwrap_err()),
}
}
#[inline]
pub fn connect_tcp_stream<A: ToSocketAddrs>(&self, addr: A) -> io::Result<TcpStream> {
let addrs = addr.to_socket_addrs()?;
let mut last_err = None;
for addr in addrs {
self.cap.check_addr(&addr)?;
match net::TcpStream::connect(addr) {
Ok(tcp_stream) => return Ok(TcpStream::from_std(tcp_stream)),
Err(e) => last_err = Some(e),
}
}
match last_err {
Some(e) => Err(e),
None => Err(net::TcpStream::connect(NO_SOCKET_ADDRS).unwrap_err()),
}
}
#[inline]
pub fn connect_timeout_tcp_stream(
&self,
addr: &SocketAddr,
timeout: Duration,
) -> io::Result<TcpStream> {
self.cap.check_addr(addr)?;
let tcp_stream = net::TcpStream::connect_timeout(addr, timeout)?;
Ok(TcpStream::from_std(tcp_stream))
}
#[inline]
pub fn bind_udp_socket<A: ToSocketAddrs>(&self, addr: A) -> io::Result<UdpSocket> {
let addrs = addr.to_socket_addrs()?;
let mut last_err = None;
for addr in addrs {
self.cap.check_addr(&addr)?;
match net::UdpSocket::bind(addr) {
Ok(udp_socket) => return Ok(UdpSocket::from_std(udp_socket)),
Err(e) => last_err = Some(e),
}
}
match last_err {
Some(e) => Err(e),
None => Err(net::UdpSocket::bind(NO_SOCKET_ADDRS).unwrap_err()),
}
}
#[inline]
pub fn send_to_udp_socket_addr<A: ToSocketAddrs>(
&self,
udp_socket: &UdpSocket,
buf: &[u8],
addr: A,
) -> io::Result<usize> {
let mut addrs = addr.to_socket_addrs()?;
let addr = addrs
.next()
.ok_or_else(|| net::UdpSocket::bind(NO_SOCKET_ADDRS).unwrap_err())?;
self.cap.check_addr(&addr)?;
udp_socket.std.send_to(buf, addr)
}
#[inline]
pub fn connect_udp_socket<A: ToSocketAddrs>(
&self,
udp_socket: &UdpSocket,
addr: A,
) -> io::Result<()> {
let addrs = addr.to_socket_addrs()?;
let mut last_err = None;
for addr in addrs {
self.cap.check_addr(&addr)?;
match udp_socket.std.connect(addr) {
Ok(()) => return Ok(()),
Err(e) => last_err = Some(e),
}
}
match last_err {
Some(e) => Err(e),
None => Err(net::UdpSocket::bind(NO_SOCKET_ADDRS).unwrap_err()),
}
}
}